/* Metacity X managed windows */ /* * Copyright (C) 2001 Havoc Pennington, Anders Carlsson * Copyright (C) 2002, 2003 Red Hat, Inc. * Copyright (C) 2003 Rob Adams * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. */ #include #include "window.h" #include "util.h" #include "frame.h" #include "errors.h" #include "workspace.h" #include "stack.h" #include "keybindings.h" #include "ui.h" #include "place.h" #include "session.h" #include "effects.h" #include "prefs.h" #include "resizepopup.h" #include "xprops.h" #include "group.h" #include "window-props.h" #include "constraints.h" #include #include #ifdef HAVE_SHAPE #include #endif /* Xserver time can wraparound, thus comparing two timestamps needs to take * this into account. Here's a little macro to help out. */ #define XSERVER_TIME_IS_LATER(time1, time2) \ ( ((time1 >= time2) && (time1 - time2 < G_MAXULONG / 2)) || \ ((time1 < time2) && (time2 - time1 > G_MAXULONG / 2)) \ ) typedef enum { META_IS_CONFIGURE_REQUEST = 1 << 0, META_DO_GRAVITY_ADJUST = 1 << 1, META_USER_MOVE_RESIZE = 1 << 2 } MetaMoveResizeFlags; static int destroying_windows_disallowed = 0; static void update_net_wm_state (MetaWindow *window); static void update_mwm_hints (MetaWindow *window); static void update_wm_class (MetaWindow *window); static void update_transient_for (MetaWindow *window); static void update_sm_hints (MetaWindow *window); static void update_role (MetaWindow *window); static void update_net_wm_type (MetaWindow *window); static void update_net_frame_extents (MetaWindow *window); static void recalc_window_type (MetaWindow *window); static void recalc_window_features (MetaWindow *window); static void invalidate_work_areas (MetaWindow *window); static void set_wm_state (MetaWindow *window, int state); static void set_net_wm_state (MetaWindow *window); static void send_configure_notify (MetaWindow *window); static gboolean process_property_notify (MetaWindow *window, XPropertyEvent *event); static void meta_window_show (MetaWindow *window); static void meta_window_hide (MetaWindow *window); static void meta_window_save_rect (MetaWindow *window); static void meta_window_move_resize_internal (MetaWindow *window, MetaMoveResizeFlags flags, int resize_gravity, int root_x_nw, int root_y_nw, int w, int h); static void ensure_mru_position_after (MetaWindow *window, MetaWindow *after_this_one); void meta_window_move_resize_now (MetaWindow *window); /* FIXME we need an abstraction that covers all these queues. */ void meta_window_unqueue_calc_showing (MetaWindow *window); void meta_window_flush_calc_showing (MetaWindow *window); void meta_window_unqueue_move_resize (MetaWindow *window); void meta_window_flush_move_resize (MetaWindow *window); static void meta_window_update_icon_now (MetaWindow *window); void meta_window_unqueue_update_icon (MetaWindow *window); void meta_window_flush_update_icon (MetaWindow *window); static void meta_window_apply_session_info (MetaWindow *window, const MetaWindowSessionInfo *info); #ifdef WITH_VERBOSE_MODE static const char* wm_state_to_string (int state) { switch (state) { case NormalState: return "NormalState"; case IconicState: return "IconicState"; case WithdrawnState: return "WithdrawnState"; } return "Unknown"; } #endif static gboolean is_desktop_or_dock_foreach (MetaWindow *window, void *data) { gboolean *result = data; *result = window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK; if (*result) return FALSE; /* stop as soon as we find one */ else return TRUE; } /* window is the window that's newly mapped provoking * the possible change */ static void maybe_leave_show_desktop_mode (MetaWindow *window) { gboolean is_desktop_or_dock; if (!window->screen->active_workspace->showing_desktop) return; /* If the window is a transient for the dock or desktop, don't * leave show desktop mode when the window opens. That's * so you can e.g. hide all windows, manipulate a file on * the desktop via a dialog, then unshow windows again. */ is_desktop_or_dock = FALSE; is_desktop_or_dock_foreach (window, &is_desktop_or_dock); meta_window_foreach_ancestor (window, is_desktop_or_dock_foreach, &is_desktop_or_dock); if (!is_desktop_or_dock) { meta_screen_minimize_all_on_active_workspace_except (window->screen, window); meta_screen_unshow_desktop (window->screen); } } MetaWindow* meta_window_new (MetaDisplay *display, Window xwindow, gboolean must_be_viewable) { XWindowAttributes attrs; MetaWindow *window; meta_display_grab (display); meta_error_trap_push (display); /* Push a trap over all of window * creation, to reduce XSync() calls */ meta_error_trap_push_with_return (display); XGetWindowAttributes (display->xdisplay, xwindow, &attrs); if (meta_error_trap_pop_with_return (display, TRUE) != Success) { meta_verbose ("Failed to get attributes for window 0x%lx\n", xwindow); meta_error_trap_pop (display, TRUE); meta_display_ungrab (display); return NULL; } window = meta_window_new_with_attrs (display, xwindow, must_be_viewable, &attrs); meta_error_trap_pop (display, FALSE); meta_display_ungrab (display); return window; } MetaWindow* meta_window_new_with_attrs (MetaDisplay *display, Window xwindow, gboolean must_be_viewable, XWindowAttributes *attrs) { MetaWindow *window; GSList *tmp; MetaWorkspace *space; gulong existing_wm_state; gulong event_mask; #define N_INITIAL_PROPS 13 Atom initial_props[N_INITIAL_PROPS]; int i; gboolean has_shape; g_assert (attrs != NULL); g_assert (N_INITIAL_PROPS == (int) G_N_ELEMENTS (initial_props)); meta_verbose ("Attempting to manage 0x%lx\n", xwindow); if (xwindow == display->no_focus_window) { meta_verbose ("Not managing no_focus_window 0x%lx\n", xwindow); return NULL; } if (attrs->override_redirect) { meta_verbose ("Deciding not to manage override_redirect window 0x%lx\n", xwindow); return NULL; } /* Grab server */ meta_display_grab (display); meta_error_trap_push (display); /* Push a trap over all of window * creation, to reduce XSync() calls */ meta_verbose ("must_be_viewable = %d attrs->map_state = %d (%s)\n", must_be_viewable, attrs->map_state, (attrs->map_state == IsUnmapped) ? "IsUnmapped" : (attrs->map_state == IsViewable) ? "IsViewable" : (attrs->map_state == IsUnviewable) ? "IsUnviewable" : "(unknown)"); existing_wm_state = WithdrawnState; if (must_be_viewable && attrs->map_state != IsViewable) { /* Only manage if WM_STATE is IconicState or NormalState */ gulong state; /* WM_STATE isn't a cardinal, it's type WM_STATE, but is an int */ if (!(meta_prop_get_cardinal_with_atom_type (display, xwindow, display->atom_wm_state, display->atom_wm_state, &state) && (state == IconicState || state == NormalState))) { meta_verbose ("Deciding not to manage unmapped or unviewable window 0x%lx\n", xwindow); meta_error_trap_pop (display, TRUE); meta_display_ungrab (display); return NULL; } existing_wm_state = state; meta_verbose ("WM_STATE of %lx = %s\n", xwindow, wm_state_to_string (existing_wm_state)); } meta_error_trap_push_with_return (display); XAddToSaveSet (display->xdisplay, xwindow); event_mask = PropertyChangeMask | EnterWindowMask | LeaveWindowMask | FocusChangeMask | ColormapChangeMask; XSelectInput (display->xdisplay, xwindow, event_mask); has_shape = FALSE; #ifdef HAVE_SHAPE if (META_DISPLAY_HAS_SHAPE (display)) { int x_bounding, y_bounding, x_clip, y_clip; unsigned w_bounding, h_bounding, w_clip, h_clip; int bounding_shaped, clip_shaped; XShapeSelectInput (display->xdisplay, xwindow, ShapeNotifyMask); XShapeQueryExtents (display->xdisplay, xwindow, &bounding_shaped, &x_bounding, &y_bounding, &w_bounding, &h_bounding, &clip_shaped, &x_clip, &y_clip, &w_clip, &h_clip); has_shape = bounding_shaped != FALSE; meta_topic (META_DEBUG_SHAPES, "Window has_shape = %d extents %d,%d %d x %d\n", has_shape, x_bounding, y_bounding, w_bounding, h_bounding); } #endif /* Get rid of any borders */ if (attrs->border_width != 0) XSetWindowBorderWidth (display->xdisplay, xwindow, 0); /* Get rid of weird gravities */ if (attrs->win_gravity != NorthWestGravity) { XSetWindowAttributes set_attrs; set_attrs.win_gravity = NorthWestGravity; XChangeWindowAttributes (display->xdisplay, xwindow, CWWinGravity, &set_attrs); } if (meta_error_trap_pop_with_return (display, FALSE) != Success) { meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n", xwindow); meta_error_trap_pop (display, FALSE); meta_display_ungrab (display); return NULL; } g_assert (!attrs->override_redirect); window = g_new (MetaWindow, 1); window->dialog_pid = -1; window->dialog_pipe = -1; window->xwindow = xwindow; /* this is in window->screen->display, but that's too annoying to * type */ window->display = display; window->workspaces = NULL; #ifdef HAVE_XSYNC window->sync_request_counter = None; window->sync_request_serial = 0; window->sync_request_time.tv_sec = 0; window->sync_request_time.tv_usec = 0; #endif window->screen = NULL; tmp = display->screens; while (tmp != NULL) { MetaScreen *scr = tmp->data; if (scr->xroot == attrs->root) { window->screen = tmp->data; break; } tmp = tmp->next; } g_assert (window->screen); window->desc = g_strdup_printf ("0x%lx", window->xwindow); /* avoid tons of stack updates */ meta_stack_freeze (window->screen->stack); window->has_shape = has_shape; /* Remember this rect is the actual window size */ window->rect.x = attrs->x; window->rect.y = attrs->y; window->rect.width = attrs->width; window->rect.height = attrs->height; /* And border width, size_hints are the "request" */ window->border_width = attrs->border_width; window->size_hints.x = attrs->x; window->size_hints.y = attrs->y; window->size_hints.width = attrs->width; window->size_hints.height = attrs->height; /* initialize the remaining size_hints as if size_hints.flags were zero */ meta_set_normal_hints (window, NULL); /* And this is our unmaximized size */ window->saved_rect = window->rect; window->user_rect = window->rect; window->depth = attrs->depth; window->xvisual = attrs->visual; window->colormap = attrs->colormap; window->title = NULL; window->icon_name = NULL; window->icon = NULL; window->mini_icon = NULL; meta_icon_cache_init (&window->icon_cache); window->wm_hints_pixmap = None; window->wm_hints_mask = None; window->frame = NULL; window->has_focus = FALSE; window->user_has_move_resized = FALSE; window->maximized = FALSE; window->maximize_after_placement = FALSE; window->fullscreen = FALSE; window->on_all_workspaces = FALSE; window->shaded = FALSE; window->initially_iconic = FALSE; window->minimized = FALSE; window->iconic = FALSE; window->mapped = attrs->map_state != IsUnmapped; /* if already mapped we don't want to do the placement thing */ window->placed = window->mapped; if (window->placed) meta_topic (META_DEBUG_PLACEMENT, "Not placing window 0x%lx since it's already mapped\n", xwindow); window->unmanaging = FALSE; window->calc_showing_queued = FALSE; window->move_resize_queued = FALSE; window->keys_grabbed = FALSE; window->grab_on_frame = FALSE; window->all_keys_grabbed = FALSE; window->withdrawn = FALSE; window->initial_workspace_set = FALSE; window->initial_timestamp_set = FALSE; window->net_wm_user_time_set = FALSE; window->calc_placement = FALSE; window->shaken_loose = FALSE; window->have_focus_click_grab = FALSE; window->disable_sync = FALSE; window->unmaps_pending = 0; window->mwm_decorated = TRUE; window->mwm_border_only = FALSE; window->mwm_has_close_func = TRUE; window->mwm_has_minimize_func = TRUE; window->mwm_has_maximize_func = TRUE; window->mwm_has_move_func = TRUE; window->mwm_has_resize_func = TRUE; window->decorated = TRUE; window->has_close_func = TRUE; window->has_minimize_func = TRUE; window->has_maximize_func = TRUE; window->has_move_func = TRUE; window->has_resize_func = TRUE; window->has_shade_func = TRUE; window->has_fullscreen_func = TRUE; window->always_sticky = FALSE; window->wm_state_modal = FALSE; window->skip_taskbar = FALSE; window->skip_pager = FALSE; window->wm_state_skip_taskbar = FALSE; window->wm_state_skip_pager = FALSE; window->wm_state_above = FALSE; window->wm_state_below = FALSE; window->wm_state_demands_attention = FALSE; window->res_class = NULL; window->res_name = NULL; window->role = NULL; window->sm_client_id = NULL; window->wm_client_machine = NULL; window->startup_id = NULL; window->net_wm_pid = -1; window->xtransient_for = None; window->xclient_leader = None; window->transient_parent_is_root_window = FALSE; window->type = META_WINDOW_NORMAL; window->type_atom = None; window->struts = NULL; window->using_net_wm_name = FALSE; window->using_net_wm_icon_name = FALSE; window->need_reread_icon = TRUE; window->update_icon_queued = FALSE; window->layer = META_LAYER_LAST; /* invalid value */ window->stack_position = -1; window->initial_workspace = 0; /* not used */ window->initial_timestamp = 0; /* not used */ meta_display_register_x_window (display, &window->xwindow, window); /* assign the window to its group, or create a new group if needed */ window->group = NULL; window->xgroup_leader = None; meta_window_compute_group (window); /* Fill these in the order we want them to be gotten. * we want to get window name and class first * so we can use them in error messages and such. */ i = 0; initial_props[i++] = display->atom_net_wm_name; initial_props[i++] = display->atom_wm_client_machine; initial_props[i++] = display->atom_net_wm_pid; initial_props[i++] = XA_WM_NAME; initial_props[i++] = display->atom_net_wm_icon_name; initial_props[i++] = XA_WM_ICON_NAME; initial_props[i++] = display->atom_net_wm_desktop; initial_props[i++] = display->atom_net_startup_id; initial_props[i++] = display->atom_net_wm_sync_request_counter; initial_props[i++] = XA_WM_NORMAL_HINTS; initial_props[i++] = display->atom_wm_protocols; initial_props[i++] = XA_WM_HINTS; initial_props[i++] = display->atom_net_wm_user_time; g_assert (N_INITIAL_PROPS == i); meta_window_reload_properties (window, initial_props, N_INITIAL_PROPS); update_net_wm_state (window); update_mwm_hints (window); update_wm_class (window); update_transient_for (window); update_sm_hints (window); /* must come after transient_for */ update_role (window); update_net_wm_type (window); meta_window_update_icon_now (window); if (window->initially_iconic) { /* WM_HINTS said minimized */ window->minimized = TRUE; meta_verbose ("Window %s asked to start out minimized\n", window->desc); } if (existing_wm_state == IconicState) { /* WM_STATE said minimized */ window->minimized = TRUE; meta_verbose ("Window %s had preexisting WM_STATE = IconicState, minimizing\n", window->desc); /* Assume window was previously placed, though perhaps it's * been iconic its whole life, we have no way of knowing. */ window->placed = TRUE; } /* Apply any window attributes such as initial workspace * based on startup notification */ meta_screen_apply_startup_properties (window->screen, window); /* FIXME we have a tendency to set this then immediately * change it again. */ set_wm_state (window, window->iconic ? IconicState : NormalState); set_net_wm_state (window); if (window->decorated) meta_window_ensure_frame (window); meta_window_grab_keys (window); meta_display_grab_window_buttons (window->display, window->xwindow); meta_display_grab_focus_window_button (window->display, window); if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK) { /* Change the default, but don't enforce this if the user * focuses the dock/desktop and unsticks it using key shortcuts. * Need to set this before adding to the workspaces so the MRU * lists will be updated. */ window->on_all_workspaces = TRUE; } /* For the workspace, first honor hints, * if that fails put transients with parents, * otherwise put window on active space */ if (window->initial_workspace_set) { if (window->initial_workspace == (int) 0xFFFFFFFF) { meta_topic (META_DEBUG_PLACEMENT, "Window %s is initially on all spaces\n", window->desc); /* need to set on_all_workspaces first so that it will be * added to all the MRU lists */ window->on_all_workspaces = TRUE; meta_workspace_add_window (window->screen->active_workspace, window); } else { meta_topic (META_DEBUG_PLACEMENT, "Window %s is initially on space %d\n", window->desc, window->initial_workspace); space = meta_screen_get_workspace_by_index (window->screen, window->initial_workspace); if (space) meta_workspace_add_window (space, window); } } if (window->workspaces == NULL && window->xtransient_for != None) { /* Try putting dialog on parent's workspace */ MetaWindow *parent; parent = meta_display_lookup_x_window (window->display, window->xtransient_for); if (parent) { GList *tmp_list; meta_topic (META_DEBUG_PLACEMENT, "Putting window %s on some workspaces as parent %s\n", window->desc, parent->desc); if (parent->on_all_workspaces) window->on_all_workspaces = TRUE; tmp_list = parent->workspaces; while (tmp_list != NULL) { /* this will implicitly add to the appropriate MRU lists */ meta_workspace_add_window (tmp_list->data, window); tmp_list = tmp_list->next; } } } if (window->workspaces == NULL) { meta_topic (META_DEBUG_PLACEMENT, "Putting window %s on active workspace\n", window->desc); space = window->screen->active_workspace; meta_workspace_add_window (space, window); } /* for the various on_all_workspaces = TRUE possible above */ meta_window_set_current_workspace_hint (window); meta_window_update_struts (window); /* Put our state back where it should be, * passing TRUE for is_configure_request, ICCCM says * initial map is handled same as configure request */ meta_window_move_resize_internal (window, META_IS_CONFIGURE_REQUEST, NorthWestGravity, window->size_hints.x, window->size_hints.y, window->size_hints.width, window->size_hints.height); meta_stack_add (window->screen->stack, window); /* Now try applying saved stuff from the session */ { const MetaWindowSessionInfo *info; info = meta_window_lookup_saved_state (window); if (info) { meta_window_apply_session_info (window, info); meta_window_release_saved_state (info); } } /* Sync stack changes */ meta_stack_thaw (window->screen->stack); /* disable show desktop mode unless we're a desktop component */ maybe_leave_show_desktop_mode (window); meta_window_queue_calc_showing (window); meta_error_trap_pop (display, FALSE); /* pop the XSync()-reducing trap */ meta_display_ungrab (display); return window; } /* This function should only be called from the end of meta_window_new_with_attrs () */ static void meta_window_apply_session_info (MetaWindow *window, const MetaWindowSessionInfo *info) { if (info->stack_position_set) { meta_topic (META_DEBUG_SM, "Restoring stack position %d for window %s\n", info->stack_position, window->desc); /* FIXME well, I'm not sure how to do this. */ } if (info->minimized_set) { meta_topic (META_DEBUG_SM, "Restoring minimized state %d for window %s\n", info->minimized, window->desc); if (window->has_minimize_func && info->minimized) meta_window_minimize (window); } if (info->maximized_set) { meta_topic (META_DEBUG_SM, "Restoring maximized state %d for window %s\n", info->maximized, window->desc); if (window->has_maximize_func && info->maximized) { meta_window_maximize (window); if (info->saved_rect_set) { meta_topic (META_DEBUG_SM, "Restoring saved rect %d,%d %dx%d for window %s\n", info->saved_rect.x, info->saved_rect.y, info->saved_rect.width, info->saved_rect.height, window->desc); window->saved_rect.x = info->saved_rect.x; window->saved_rect.y = info->saved_rect.y; window->saved_rect.width = info->saved_rect.width; window->saved_rect.height = info->saved_rect.height; } } } if (info->on_all_workspaces_set) { window->on_all_workspaces = info->on_all_workspaces; meta_topic (META_DEBUG_SM, "Restoring sticky state %d for window %s\n", window->on_all_workspaces, window->desc); } if (info->workspace_indices) { GSList *tmp; GSList *spaces; spaces = NULL; tmp = info->workspace_indices; while (tmp != NULL) { MetaWorkspace *space; space = meta_screen_get_workspace_by_index (window->screen, GPOINTER_TO_INT (tmp->data)); if (space) spaces = g_slist_prepend (spaces, space); tmp = tmp->next; } if (spaces) { /* This briefly breaks the invariant that we are supposed * to always be on some workspace. But we paranoically * ensured that one of the workspaces from the session was * indeed valid, so we know we'll go right back to one. */ while (window->workspaces) meta_workspace_remove_window (window->workspaces->data, window); tmp = spaces; while (tmp != NULL) { MetaWorkspace *space; space = tmp->data; meta_workspace_add_window (space, window); meta_topic (META_DEBUG_SM, "Restoring saved window %s to workspace %d\n", window->desc, meta_workspace_index (space)); tmp = tmp->next; } g_slist_free (spaces); } } if (info->geometry_set) { int x, y, w, h; window->placed = TRUE; /* don't do placement algorithms later */ x = info->rect.x; y = info->rect.y; w = window->size_hints.base_width + info->rect.width * window->size_hints.width_inc; h = window->size_hints.base_height + info->rect.height * window->size_hints.height_inc; /* Force old gravity, ignoring anything now set */ window->size_hints.win_gravity = info->gravity; meta_topic (META_DEBUG_SM, "Restoring pos %d,%d size %d x %d for %s\n", x, y, w, h, window->desc); meta_window_move_resize_internal (window, META_DO_GRAVITY_ADJUST, NorthWestGravity, x, y, w, h); } } void meta_window_free (MetaWindow *window) { GList *tmp; meta_verbose ("Unmanaging 0x%lx\n", window->xwindow); if (window->display->window_with_menu == window) { meta_ui_window_menu_free (window->display->window_menu); window->display->window_menu = NULL; window->display->window_with_menu = NULL; } if (destroying_windows_disallowed > 0) meta_bug ("Tried to destroy window %s while destruction was not allowed\n", window->desc); window->unmanaging = TRUE; if (window->fullscreen) { MetaGroup *group; /* If the window is fullscreen, it may be forcing * other windows in its group to a higher layer */ meta_stack_freeze (window->screen->stack); group = meta_window_get_group (window); if (group) meta_group_update_layers (group); meta_stack_thaw (window->screen->stack); } meta_window_shutdown_group (window); /* safe to do this early as * group.c won't re-add to the * group if window->unmanaging */ /* If we have the focus, focus some other window. * This is done first, so that if the unmap causes * an EnterNotify the EnterNotify will have final say * on what gets focused, maintaining sloppy focus * invariants. */ if (window->has_focus) { meta_topic (META_DEBUG_FOCUS, "Focusing default window since we're unmanaging %s\n", window->desc); meta_workspace_focus_default_window (window->screen->active_workspace, window, meta_display_get_current_time_roundtrip (window->display)); } else if (window->display->expected_focus_window == window) { meta_topic (META_DEBUG_FOCUS, "Focusing default window since expected focus window freed %s\n", window->desc); window->display->expected_focus_window = NULL; meta_workspace_focus_default_window (window->screen->active_workspace, window, meta_display_get_current_time_roundtrip (window->display)); } else { meta_topic (META_DEBUG_FOCUS, "Unmanaging window %s which doesn't currently have focus\n", window->desc); } if (window->struts) { g_free (window->struts); window->struts = NULL; meta_topic (META_DEBUG_WORKAREA, "Unmanaging window %s which has struts, so invalidating work areas\n", window->desc); invalidate_work_areas (window); } if (window->display->grab_window == window) meta_display_end_grab_op (window->display, meta_display_get_current_time (window->display)); g_assert (window->display->grab_window != window); if (window->display->focus_window == window) window->display->focus_window = NULL; if (window->display->previously_focused_window == window) window->display->previously_focused_window = NULL; meta_window_unqueue_calc_showing (window); meta_window_unqueue_move_resize (window); meta_window_unqueue_update_icon (window); meta_window_free_delete_dialog (window); tmp = window->workspaces; while (tmp != NULL) { GList *next; next = tmp->next; /* pops front of list */ meta_workspace_remove_window (tmp->data, window); tmp = next; } g_assert (window->workspaces == NULL); #ifndef G_DISABLE_CHECKS tmp = window->screen->workspaces; while (tmp != NULL) { MetaWorkspace *workspace = tmp->data; g_assert (g_list_find (workspace->windows, window) == NULL); g_assert (g_list_find (workspace->mru_list, window) == NULL); tmp = tmp->next; } #endif meta_stack_remove (window->screen->stack, window); /* FIXME restore original size if window has maximized */ if (window->frame) meta_window_destroy_frame (window); if (window->withdrawn) { /* We need to clean off the window's state so it * won't be restored if the app maps it again. */ meta_error_trap_push (window->display); meta_verbose ("Cleaning state from window %s\n", window->desc); XDeleteProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_desktop); XDeleteProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_state); set_wm_state (window, WithdrawnState); meta_error_trap_pop (window->display, FALSE); } else { /* We need to put WM_STATE so that others will understand it on * restart. */ if (!window->minimized) { meta_error_trap_push (window->display); set_wm_state (window, NormalState); meta_error_trap_pop (window->display, FALSE); } /* And we need to be sure the window is mapped so other WMs * know that it isn't Withdrawn */ meta_error_trap_push (window->display); XMapWindow (window->display->xdisplay, window->xwindow); meta_error_trap_pop (window->display, FALSE); } meta_window_ungrab_keys (window); meta_display_ungrab_window_buttons (window->display, window->xwindow); meta_display_ungrab_focus_window_button (window->display, window); meta_display_unregister_x_window (window->display, window->xwindow); meta_error_trap_push (window->display); /* Put back anything we messed up */ if (window->border_width != 0) XSetWindowBorderWidth (window->display->xdisplay, window->xwindow, window->border_width); /* No save set */ XRemoveFromSaveSet (window->display->xdisplay, window->xwindow); /* Don't get events on not-managed windows */ XSelectInput (window->display->xdisplay, window->xwindow, NoEventMask); #ifdef HAVE_SHAPE if (META_DISPLAY_HAS_SHAPE (window->display)) XShapeSelectInput (window->display->xdisplay, window->xwindow, NoEventMask); #endif meta_error_trap_pop (window->display, FALSE); if (window->icon) g_object_unref (G_OBJECT (window->icon)); if (window->mini_icon) g_object_unref (G_OBJECT (window->mini_icon)); meta_icon_cache_free (&window->icon_cache); g_free (window->sm_client_id); g_free (window->wm_client_machine); g_free (window->startup_id); g_free (window->role); g_free (window->res_class); g_free (window->res_name); g_free (window->title); g_free (window->icon_name); g_free (window->desc); g_free (window); } static void set_wm_state (MetaWindow *window, int state) { unsigned long data[2]; meta_verbose ("Setting wm state %s on %s\n", wm_state_to_string (state), window->desc); /* Metacity doesn't use icon windows, so data[1] should be None * according to the ICCCM 2.0 Section 4.1.3.1. */ data[0] = state; data[1] = None; meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom_wm_state, window->display->atom_wm_state, 32, PropModeReplace, (guchar*) data, 2); meta_error_trap_pop (window->display, FALSE); } static void set_net_wm_state (MetaWindow *window) { int i; unsigned long data[11]; i = 0; if (window->shaded) { data[i] = window->display->atom_net_wm_state_shaded; ++i; } if (window->wm_state_modal) { data[i] = window->display->atom_net_wm_state_modal; ++i; } if (window->skip_pager) { data[i] = window->display->atom_net_wm_state_skip_pager; ++i; } if (window->skip_taskbar) { data[i] = window->display->atom_net_wm_state_skip_taskbar; ++i; } if (window->maximized) { data[i] = window->display->atom_net_wm_state_maximized_horz; ++i; data[i] = window->display->atom_net_wm_state_maximized_vert; ++i; } if (window->fullscreen) { data[i] = window->display->atom_net_wm_state_fullscreen; ++i; } if (window->shaded || window->minimized) { data[i] = window->display->atom_net_wm_state_hidden; ++i; } if (window->wm_state_above) { data[i] = window->display->atom_net_wm_state_above; ++i; } if (window->wm_state_below) { data[i] = window->display->atom_net_wm_state_below; ++i; } if (window->wm_state_demands_attention) { data[i] = window->display->atom_net_wm_state_demands_attention; ++i; } meta_verbose ("Setting _NET_WM_STATE with %d atoms\n", i); meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_state, XA_ATOM, 32, PropModeReplace, (guchar*) data, i); meta_error_trap_pop (window->display, FALSE); } /* FIXME rename this, it makes it sound like map state is relevant */ gboolean meta_window_visible_on_workspace (MetaWindow *window, MetaWorkspace *workspace) { return (window->on_all_workspaces && window->screen == workspace->screen) || meta_workspace_contains_window (workspace, window); } static gboolean is_minimized_foreach (MetaWindow *window, void *data) { gboolean *result = data; *result = window->minimized; if (*result) return FALSE; /* stop as soon as we find one */ else return TRUE; } static gboolean ancestor_is_minimized (MetaWindow *window) { gboolean is_minimized; is_minimized = FALSE; meta_window_foreach_ancestor (window, is_minimized_foreach, &is_minimized); return is_minimized; } static gboolean window_should_be_showing (MetaWindow *window) { gboolean showing, on_workspace; gboolean is_desktop_or_dock; meta_verbose ("Should be showing for window %s\n", window->desc); /* 1. See if we're on the workspace */ on_workspace = meta_window_visible_on_workspace (window, window->screen->active_workspace); showing = on_workspace; if (!on_workspace) meta_verbose ("Window %s is not on workspace %d\n", window->desc, meta_workspace_index (window->screen->active_workspace)); else meta_verbose ("Window %s is on the active workspace %d\n", window->desc, meta_workspace_index (window->screen->active_workspace)); if (window->on_all_workspaces) meta_verbose ("Window %s is on all workspaces\n", window->desc); /* 2. See if we're minimized */ if (window->minimized) showing = FALSE; /* 3. See if we're in "show desktop" mode */ is_desktop_or_dock = FALSE; is_desktop_or_dock_foreach (window, &is_desktop_or_dock); meta_window_foreach_ancestor (window, is_desktop_or_dock_foreach, &is_desktop_or_dock); if (showing && window->screen->active_workspace->showing_desktop && !is_desktop_or_dock) { meta_verbose ("Window %s is on current workspace, but we're showing the desktop\n", window->desc); showing = FALSE; } /* 4. See if an ancestor is minimized (note that * ancestor's "mapped" field may not be up to date * since it's being computed in this same idle queue) */ if (showing) { if (ancestor_is_minimized (window)) showing = FALSE; } #if 0 /* 5. See if we're drawing wireframe */ if (window->display->grab_window == window && window->display->grab_wireframe_active) showing = FALSE; #endif return showing; } static void implement_showing (MetaWindow *window, gboolean showing) { /* Actually show/hide the window */ meta_verbose ("Implement showing = %d for window %s\n", showing, window->desc); if (!showing) { gboolean on_workspace; on_workspace = meta_window_visible_on_workspace (window, window->screen->active_workspace); /* Really this effects code should probably * be in meta_window_hide so the window->mapped * test isn't duplicated here. Anyhow, we animate * if we are mapped now, we are supposed to * be minimized, and we are on the current workspace. */ if (on_workspace && window->minimized && window->mapped && !meta_prefs_get_reduced_resources ()) { MetaRectangle icon_rect, window_rect; gboolean result; /* Check if the window has an icon geometry */ result = meta_window_get_icon_geometry (window, &icon_rect); if (!result) { /* just animate into the corner somehow - maybe * not a good idea... */ icon_rect.x = window->screen->width; icon_rect.y = window->screen->height; icon_rect.width = 1; icon_rect.height = 1; } meta_window_get_outer_rect (window, &window_rect); /* Draw a nice cool animation */ meta_effects_draw_box_animation (window->screen, &window_rect, &icon_rect, META_MINIMIZE_ANIMATION_LENGTH, META_BOX_ANIM_SCALE); } meta_window_hide (window); } else { meta_window_show (window); } } void meta_window_calc_showing (MetaWindow *window) { implement_showing (window, window_should_be_showing (window)); } static guint calc_showing_idle = 0; static GSList *calc_showing_pending = NULL; static int stackcmp (gconstpointer a, gconstpointer b) { MetaWindow *aw = (gpointer) a; MetaWindow *bw = (gpointer) b; if (aw->screen != bw->screen) return 0; /* don't care how they sort with respect to each other */ else return meta_stack_windows_cmp (aw->screen->stack, aw, bw); } static gboolean idle_calc_showing (gpointer data) { GSList *tmp; GSList *copy; GSList *should_show; GSList *should_hide; GSList *unplaced; GSList *displays; meta_topic (META_DEBUG_WINDOW_STATE, "Clearing the calc_showing queue\n"); /* Work with a copy, for reentrancy. The allowed reentrancy isn't * complete; destroying a window while we're in here would result in * badness. But it's OK to queue/unqueue calc_showings. */ copy = g_slist_copy (calc_showing_pending); g_slist_free (calc_showing_pending); calc_showing_pending = NULL; calc_showing_idle = 0; destroying_windows_disallowed += 1; /* We map windows from top to bottom and unmap from bottom to * top, to avoid extra expose events. The exception is * for unplaced windows, which have to be mapped from bottom to * top so placement works. */ should_show = NULL; should_hide = NULL; unplaced = NULL; displays = NULL; tmp = copy; while (tmp != NULL) { MetaWindow *window; window = tmp->data; if (!window->placed) unplaced = g_slist_prepend (unplaced, window); else if (window_should_be_showing (window)) should_show = g_slist_prepend (should_show, window); else should_hide = g_slist_prepend (should_hide, window); tmp = tmp->next; } /* bottom to top */ unplaced = g_slist_sort (unplaced, stackcmp); should_hide = g_slist_sort (should_hide, stackcmp); /* top to bottom */ should_show = g_slist_sort (should_show, stackcmp); should_show = g_slist_reverse (should_show); tmp = unplaced; while (tmp != NULL) { MetaWindow *window; window = tmp->data; meta_window_calc_showing (window); tmp = tmp->next; } tmp = should_hide; while (tmp != NULL) { MetaWindow *window; window = tmp->data; implement_showing (window, FALSE); tmp = tmp->next; } tmp = should_show; while (tmp != NULL) { MetaWindow *window; window = tmp->data; implement_showing (window, TRUE); tmp = tmp->next; } tmp = copy; while (tmp != NULL) { MetaWindow *window; window = tmp->data; /* important to set this here for reentrancy - * if we queue a window again while it's in "copy", * then queue_calc_showing will just return since * calc_showing_queued = TRUE still */ window->calc_showing_queued = FALSE; tmp = tmp->next; } g_slist_free (copy); g_slist_free (unplaced); g_slist_free (should_show); g_slist_free (should_hide); g_slist_free (displays); destroying_windows_disallowed -= 1; return FALSE; } void meta_window_unqueue_calc_showing (MetaWindow *window) { if (!window->calc_showing_queued) return; meta_topic (META_DEBUG_WINDOW_STATE, "Removing %s from the calc_showing queue\n", window->desc); /* Note that window may not actually be in move_resize_pending * because it may have been in "copy" inside the idle handler */ calc_showing_pending = g_slist_remove (calc_showing_pending, window); window->calc_showing_queued = FALSE; if (calc_showing_pending == NULL && calc_showing_idle != 0) { g_source_remove (calc_showing_idle); calc_showing_idle = 0; } } void meta_window_flush_calc_showing (MetaWindow *window) { if (window->calc_showing_queued) { meta_window_unqueue_calc_showing (window); meta_window_calc_showing (window); } } void meta_window_queue_calc_showing (MetaWindow *window) { /* if withdrawn = TRUE then unmanaging should also be TRUE, * really. */ if (window->unmanaging || window->withdrawn) return; if (window->calc_showing_queued) return; meta_topic (META_DEBUG_WINDOW_STATE, "Putting %s in the calc_showing queue\n", window->desc); window->calc_showing_queued = TRUE; if (calc_showing_idle == 0) calc_showing_idle = g_idle_add (idle_calc_showing, NULL); calc_showing_pending = g_slist_prepend (calc_showing_pending, window); } static gboolean window_takes_focus_on_map (MetaWindow *window) { Time compare; /* don't initially focus windows that are intended to not accept * focus */ if (!(window->input || window->take_focus)) return FALSE; switch (window->type) { case META_WINDOW_DOCK: case META_WINDOW_DESKTOP: case META_WINDOW_UTILITY: case META_WINDOW_SPLASHSCREEN: case META_WINDOW_TOOLBAR: case META_WINDOW_MENU: /* don't focus these */ break; case META_WINDOW_NORMAL: case META_WINDOW_DIALOG: case META_WINDOW_MODAL_DIALOG: /* Disable the focus-stealing-prevention stuff for now; see #149028 */ return TRUE; meta_topic (META_DEBUG_STARTUP, "COMPARISON:\n" " net_wm_user_time_set : %d\n" " net_wm_user_time : %lu\n" " initial_timestamp_set: %d\n" " initial_timestamp : %lu\n", window->net_wm_user_time_set, window->net_wm_user_time, window->initial_timestamp_set, window->initial_timestamp); if (window->display->focus_window != NULL) { meta_topic (META_DEBUG_STARTUP, "COMPARISON (continued):\n" " focus_window : %s\n" " fw->net_wm_user_time : %lu\n", window->display->focus_window->desc, window->display->focus_window->net_wm_user_time); } /* We expect the most common case for not focusing a new window * to be when a hint to not focus it has been set. Since we can * deal with that case rapidly, we use special case it--this is * merely a preliminary optimization. :) */ if ( ((window->net_wm_user_time_set == TRUE) && (window->net_wm_user_time == 0)) || ((window->initial_timestamp_set == TRUE) && (window->initial_timestamp == 0))) { meta_topic (META_DEBUG_STARTUP, "window %s explicitly requested no focus\n", window->desc); return FALSE; } if (!(window->net_wm_user_time_set) && !(window->initial_timestamp_set)) { meta_topic (META_DEBUG_STARTUP, "no information about window %s found\n", window->desc); return TRUE; } /* To determine the "launch" time of an application, * startup-notification can set the TIMESTAMP and the * application (usually via its toolkit such as gtk or qt) can * set the _NET_WM_USER_TIME. If both are set, then it means * the user has interacted with the application since it * launched, and _NET_WM_USER_TIME is the value that should be * used in the comparison. */ compare = window->initial_timestamp_set ? window->initial_timestamp : 0; compare = window->net_wm_user_time_set ? window->net_wm_user_time : compare; if ((window->display->focus_window == NULL) || (XSERVER_TIME_IS_LATER (compare, window->display->focus_window->net_wm_user_time))) { meta_topic (META_DEBUG_STARTUP, "new window %s with no intervening events\n", window->desc); return TRUE; } else { meta_topic (META_DEBUG_STARTUP, "window %s focus prevented by other activity; %lu is before %lu\n", window->desc, compare, window->display->focus_window->net_wm_user_time); return FALSE; } break; } return FALSE; } void meta_window_show (MetaWindow *window) { gboolean did_placement; gboolean did_show; gboolean takes_focus_on_map; meta_topic (META_DEBUG_WINDOW_STATE, "Showing window %s, shaded: %d iconic: %d placed: %d\n", window->desc, window->shaded, window->iconic, window->placed); did_show = FALSE; did_placement = FALSE; takes_focus_on_map = window_takes_focus_on_map (window); if ( (!takes_focus_on_map) && (window->display->focus_window != NULL) ) { meta_window_stack_just_below (window, window->display->focus_window); ensure_mru_position_after (window, window->display->focus_window); } if (!window->placed) { /* We have to recalc the placement here since other windows may * have been mapped/placed since we last did constrain_position */ /* calc_placement is an efficiency hack to avoid * multiple placement calculations before we finally * show the window. */ window->calc_placement = TRUE; meta_window_move_resize_now (window); window->calc_placement = FALSE; /* don't ever do the initial position constraint thing again. * This is toggled here so that initially-iconified windows * still get placed when they are ultimately shown. */ window->placed = TRUE; did_placement = TRUE; } /* Shaded means the frame is mapped but the window is not */ if (window->frame && !window->frame->mapped) { meta_topic (META_DEBUG_WINDOW_STATE, "Frame actually needs map\n"); window->frame->mapped = TRUE; meta_ui_map_frame (window->screen->ui, window->frame->xwindow); did_show = TRUE; } if (window->shaded) { if (window->mapped) { meta_topic (META_DEBUG_WINDOW_STATE, "%s actually needs unmap (shaded)\n", window->desc); meta_topic (META_DEBUG_WINDOW_STATE, "Incrementing unmaps_pending on %s for shade\n", window->desc); window->mapped = FALSE; window->unmaps_pending += 1; meta_error_trap_push (window->display); XUnmapWindow (window->display->xdisplay, window->xwindow); meta_error_trap_pop (window->display, FALSE); } if (!window->iconic) { window->iconic = TRUE; set_wm_state (window, IconicState); } } else { if (!window->mapped) { meta_topic (META_DEBUG_WINDOW_STATE, "%s actually needs map\n", window->desc); window->mapped = TRUE; meta_error_trap_push (window->display); XMapWindow (window->display->xdisplay, window->xwindow); meta_error_trap_pop (window->display, FALSE); did_show = TRUE; } if (window->iconic) { window->iconic = FALSE; set_wm_state (window, NormalState); } } if (did_placement) { if (window->xtransient_for != None) { MetaWindow *parent; parent = meta_display_lookup_x_window (window->display, window->xtransient_for); if (parent && parent->has_focus && (window->input || window->take_focus)) { meta_topic (META_DEBUG_FOCUS, "Focusing transient window '%s' since parent had focus\n", window->desc); meta_window_focus (window, meta_display_get_current_time (window->display)); } } if (takes_focus_on_map) { meta_window_focus (window, meta_display_get_current_time (window->display)); } else window->wm_state_demands_attention = TRUE; } if (did_show) { set_net_wm_state (window); if (window->struts) { meta_topic (META_DEBUG_WORKAREA, "Mapped window %s with struts, so invalidating work areas\n", window->desc); invalidate_work_areas (window); } } } void meta_window_hide (MetaWindow *window) { gboolean did_hide; meta_topic (META_DEBUG_WINDOW_STATE, "Hiding window %s\n", window->desc); did_hide = FALSE; if (window->frame && window->frame->mapped) { meta_topic (META_DEBUG_WINDOW_STATE, "Frame actually needs unmap\n"); window->frame->mapped = FALSE; meta_ui_unmap_frame (window->screen->ui, window->frame->xwindow); did_hide = TRUE; } if (window->mapped) { meta_topic (META_DEBUG_WINDOW_STATE, "%s actually needs unmap\n", window->desc); meta_topic (META_DEBUG_WINDOW_STATE, "Incrementing unmaps_pending on %s for hide\n", window->desc); window->mapped = FALSE; window->unmaps_pending += 1; meta_error_trap_push (window->display); XUnmapWindow (window->display->xdisplay, window->xwindow); meta_error_trap_pop (window->display, FALSE); did_hide = TRUE; } if (!window->iconic) { window->iconic = TRUE; set_wm_state (window, IconicState); } if (did_hide) { set_net_wm_state (window); if (window->struts) { meta_topic (META_DEBUG_WORKAREA, "Unmapped window %s with struts, so invalidating work areas\n", window->desc); invalidate_work_areas (window); } } } static gboolean queue_calc_showing_func (MetaWindow *window, void *data) { meta_window_queue_calc_showing (window); return TRUE; } void meta_window_minimize (MetaWindow *window) { if (!window->minimized) { window->minimized = TRUE; meta_window_queue_calc_showing (window); meta_window_foreach_transient (window, queue_calc_showing_func, NULL); if (window->has_focus) { meta_topic (META_DEBUG_FOCUS, "Focusing default window due to minimization of focus window %s\n", window->desc); meta_workspace_focus_default_window (window->screen->active_workspace, window, meta_display_get_current_time_roundtrip (window->display)); } else { meta_topic (META_DEBUG_FOCUS, "Minimizing window %s which doesn't have the focus\n", window->desc); } } } void meta_window_unminimize (MetaWindow *window) { if (window->minimized) { window->minimized = FALSE; meta_window_queue_calc_showing (window); meta_window_foreach_transient (window, queue_calc_showing_func, NULL); } } static void meta_window_save_rect (MetaWindow *window) { if (!(window->maximized || window->fullscreen)) { /* save size/pos as appropriate args for move_resize */ window->saved_rect = window->rect; if (window->frame) { window->saved_rect.x += window->frame->rect.x; window->saved_rect.y += window->frame->rect.y; } } } void meta_window_maximize_internal (MetaWindow *window, MetaRectangle *saved_rect) { meta_topic (META_DEBUG_WINDOW_OPS, "Maximizing %s\n", window->desc); if (saved_rect != NULL) window->saved_rect = *saved_rect; else meta_window_save_rect (window); window->maximized = TRUE; recalc_window_features (window); set_net_wm_state (window); } void meta_window_maximize (MetaWindow *window) { if (!window->maximized) { if (window->shaded) meta_window_unshade (window); /* if the window hasn't been placed yet, we'll maximize it then */ if (!window->placed) { window->maximize_after_placement = TRUE; return; } meta_window_maximize_internal (window, NULL); /* move_resize with new maximization constraints */ meta_window_queue_move_resize (window); } } void meta_window_unmaximize (MetaWindow *window) { if (window->maximized) { meta_topic (META_DEBUG_WINDOW_OPS, "Unmaximizing %s\n", window->desc); window->maximized = FALSE; /* When we unmaximize, if we're doing a mouse move also we could * get the window suddenly jumping to the upper left corner of * the workspace, since that's where it was when the grab op * started. So we need to update the grab state. */ if (meta_grab_op_is_moving (window->display->grab_op) && window->display->grab_window == window) { window->display->grab_anchor_window_pos = window->saved_rect; } meta_window_move_resize (window, TRUE, window->saved_rect.x, window->saved_rect.y, window->saved_rect.width, window->saved_rect.height); recalc_window_features (window); set_net_wm_state (window); } } void meta_window_make_above (MetaWindow *window) { window->wm_state_above = TRUE; meta_window_update_layer (window); meta_window_raise (window); set_net_wm_state (window); } void meta_window_unmake_above (MetaWindow *window) { window->wm_state_above = FALSE; meta_window_raise (window); meta_window_update_layer (window); set_net_wm_state (window); } void meta_window_make_fullscreen (MetaWindow *window) { if (!window->fullscreen) { meta_topic (META_DEBUG_WINDOW_OPS, "Fullscreening %s\n", window->desc); if (window->shaded) meta_window_unshade (window); meta_window_save_rect (window); window->fullscreen = TRUE; meta_stack_freeze (window->screen->stack); meta_window_update_layer (window); meta_window_raise (window); meta_stack_thaw (window->screen->stack); /* move_resize with new constraints */ meta_window_queue_move_resize (window); recalc_window_features (window); set_net_wm_state (window); } } void meta_window_unmake_fullscreen (MetaWindow *window) { if (window->fullscreen) { meta_topic (META_DEBUG_WINDOW_OPS, "Unfullscreening %s\n", window->desc); window->fullscreen = FALSE; meta_window_update_layer (window); meta_window_move_resize (window, TRUE, window->saved_rect.x, window->saved_rect.y, window->saved_rect.width, window->saved_rect.height); recalc_window_features (window); set_net_wm_state (window); } } void meta_window_shade (MetaWindow *window) { meta_topic (META_DEBUG_WINDOW_OPS, "Shading %s\n", window->desc); if (!window->shaded) { #if 0 if (window->mapped) { /* Animation */ MetaRectangle starting_size; MetaRectangle titlebar_size; meta_window_get_outer_rect (window, &starting_size); if (window->frame) { starting_size.y += window->frame->child_y; starting_size.height -= window->frame->child_y; } titlebar_size = starting_size; titlebar_size.height = 0; meta_effects_draw_box_animation (window->screen, &starting_size, &titlebar_size, META_SHADE_ANIMATION_LENGTH, META_BOX_ANIM_SLIDE_UP); } #endif window->shaded = TRUE; meta_window_queue_move_resize (window); meta_window_queue_calc_showing (window); /* After queuing the calc showing, since _focus flushes it, * and we need to focus the frame */ meta_topic (META_DEBUG_FOCUS, "Re-focusing window %s after shading it\n", window->desc); meta_window_focus (window, meta_display_get_current_time (window->display)); set_net_wm_state (window); } } void meta_window_unshade (MetaWindow *window) { meta_topic (META_DEBUG_WINDOW_OPS, "Unshading %s\n", window->desc); if (window->shaded) { window->shaded = FALSE; meta_window_queue_move_resize (window); meta_window_queue_calc_showing (window); /* focus the window */ meta_topic (META_DEBUG_FOCUS, "Focusing window %s after unshading it\n", window->desc); meta_window_focus (window, meta_display_get_current_time (window->display)); set_net_wm_state (window); } } static gboolean unminimize_func (MetaWindow *window, void *data) { meta_window_unminimize (window); return TRUE; } static void unminimize_window_and_all_transient_parents (MetaWindow *window) { meta_window_unminimize (window); meta_window_foreach_ancestor (window, unminimize_func, NULL); } void meta_window_activate (MetaWindow *window, guint32 timestamp) { if (timestamp != 0) window->net_wm_user_time = timestamp; /* disable show desktop mode unless we're a desktop component */ maybe_leave_show_desktop_mode (window); /* Get window on current workspace */ if (!meta_window_visible_on_workspace (window, window->screen->active_workspace)) meta_window_change_workspace (window, window->screen->active_workspace); if (window->shaded) meta_window_unshade (window); unminimize_window_and_all_transient_parents (window); meta_window_raise (window); meta_topic (META_DEBUG_FOCUS, "Focusing window %s due to activation\n", window->desc); meta_window_focus (window, timestamp); } /* returns values suitable for meta_window_move * i.e. static gravity */ static void adjust_for_gravity (MetaWindow *window, MetaFrameGeometry *fgeom, gboolean coords_assume_border, int x, int y, int width, int height, int *xp, int *yp) { int ref_x, ref_y; int bw; int child_x, child_y; int frame_width, frame_height; if (coords_assume_border) bw = window->border_width; else bw = 0; if (fgeom) { child_x = fgeom->left_width; child_y = fgeom->top_height; frame_width = child_x + width + fgeom->right_width; frame_height = child_y + height + fgeom->bottom_height; } else { child_x = 0; child_y = 0; frame_width = width; frame_height = height; } /* We're computing position to pass to window_move, which is * the position of the client window (StaticGravity basically) * * (see WM spec description of gravity computation, but note that * their formulas assume we're honoring the border width, rather * than compensating for having turned it off) */ switch (window->size_hints.win_gravity) { case NorthWestGravity: ref_x = x; ref_y = y; break; case NorthGravity: ref_x = x + width / 2 + bw; ref_y = y; break; case NorthEastGravity: ref_x = x + width + bw * 2; ref_y = y; break; case WestGravity: ref_x = x; ref_y = y + height / 2 + bw; break; case CenterGravity: ref_x = x + width / 2 + bw; ref_y = y + height / 2 + bw; break; case EastGravity: ref_x = x + width + bw * 2; ref_y = y + height / 2 + bw; break; case SouthWestGravity: ref_x = x; ref_y = y + height + bw * 2; break; case SouthGravity: ref_x = x + width / 2 + bw; ref_y = y + height + bw * 2; break; case SouthEastGravity: ref_x = x + width + bw * 2; ref_y = y + height + bw * 2; break; case StaticGravity: default: ref_x = x; ref_y = y; break; } switch (window->size_hints.win_gravity) { case NorthWestGravity: *xp = ref_x + child_x; *yp = ref_y + child_y; break; case NorthGravity: *xp = ref_x - frame_width / 2 + child_x; *yp = ref_y + child_y; break; case NorthEastGravity: *xp = ref_x - frame_width + child_x; *yp = ref_y + child_y; break; case WestGravity: *xp = ref_x + child_x; *yp = ref_y - frame_height / 2 + child_y; break; case CenterGravity: *xp = ref_x - frame_width / 2 + child_x; *yp = ref_y - frame_height / 2 + child_y; break; case EastGravity: *xp = ref_x - frame_width + child_x; *yp = ref_y - frame_height / 2 + child_y; break; case SouthWestGravity: *xp = ref_x + child_x; *yp = ref_y - frame_height + child_y; break; case SouthGravity: *xp = ref_x - frame_width / 2 + child_x; *yp = ref_y - frame_height + child_y; break; case SouthEastGravity: *xp = ref_x - frame_width + child_x; *yp = ref_y - frame_height + child_y; break; case StaticGravity: default: *xp = ref_x; *yp = ref_y; break; } } static gboolean static_gravity_works (MetaDisplay *display) { return display->static_gravity_works; } static void get_mouse_deltas_for_resize (MetaWindow *window, int resize_gravity, int w, int h, int *x_delta, int *y_delta) { switch (meta_x_direction_from_gravity (resize_gravity)) { case META_RESIZE_LEFT_OR_TOP: *x_delta = window->rect.width - w; break; case META_RESIZE_RIGHT_OR_BOTTOM: *x_delta = w - window->rect.width; break; case META_RESIZE_CENTER: /* FIXME this implies that with center gravity you have to grow * in increments of two */ *x_delta = (w - window->rect.width) / 2; break; } switch (meta_y_direction_from_gravity (resize_gravity)) { case META_RESIZE_LEFT_OR_TOP: *y_delta = window->rect.height - h; break; case META_RESIZE_RIGHT_OR_BOTTOM: *y_delta = h - window->rect.height; break; case META_RESIZE_CENTER: /* FIXME this implies that with center gravity you have to grow * in increments of two */ *y_delta = (h - window->rect.height) / 2; break; } } #ifdef HAVE_XSYNC static void send_sync_request (MetaWindow *window) { XSyncValue value; XClientMessageEvent ev; window->sync_request_serial++; XSyncIntToValue (&value, window->sync_request_serial); ev.type = ClientMessage; ev.window = window->xwindow; ev.message_type = window->display->atom_wm_protocols; ev.format = 32; ev.data.l[0] = window->display->atom_net_wm_sync_request; ev.data.l[1] = meta_display_get_current_time (window->display); ev.data.l[2] = XSyncValueLow32 (value); ev.data.l[3] = XSyncValueHigh32 (value); /* We don't need to trap errors here as we are already * inside an error_trap_push()/pop() pair. */ XSendEvent (window->display->xdisplay, window->xwindow, False, 0, (XEvent*) &ev); g_get_current_time (&window->sync_request_time); } #endif static void meta_window_move_resize_internal (MetaWindow *window, MetaMoveResizeFlags flags, int resize_gravity, int root_x_nw, int root_y_nw, int w, int h) { XWindowChanges values; unsigned int mask; gboolean need_configure_notify; MetaFrameGeometry fgeom; gboolean need_move_client = FALSE; gboolean need_move_frame = FALSE; gboolean need_resize_client = FALSE; gboolean need_resize_frame = FALSE; int frame_size_dx; int frame_size_dy; int size_dx; int size_dy; gboolean is_configure_request; gboolean do_gravity_adjust; gboolean is_user_action; gboolean configure_frame_first; gboolean use_static_gravity; /* used for the configure request, but may not be final * destination due to StaticGravity etc. */ int client_move_x; int client_move_y; int x_delta; int y_delta; MetaRectangle new_rect; MetaRectangle old_rect; is_configure_request = (flags & META_IS_CONFIGURE_REQUEST) != 0; do_gravity_adjust = (flags & META_DO_GRAVITY_ADJUST) != 0; is_user_action = (flags & META_USER_MOVE_RESIZE) != 0; /* We don't need it in the idle queue anymore. */ meta_window_unqueue_move_resize (window); old_rect = window->rect; meta_window_get_position (window, &old_rect.x, &old_rect.y); meta_topic (META_DEBUG_GEOMETRY, "Move/resize %s to %d,%d %dx%d%s%s from %d,%d %dx%d\n", window->desc, root_x_nw, root_y_nw, w, h, is_configure_request ? " (configure request)" : "", is_user_action ? " (user move/resize)" : "", old_rect.x, old_rect.y, old_rect.width, old_rect.height); if (window->frame) meta_frame_calc_geometry (window->frame, &fgeom); if (is_configure_request || do_gravity_adjust) { adjust_for_gravity (window, window->frame ? &fgeom : NULL, /* configure request coords assume * the border width existed */ is_configure_request, root_x_nw, root_y_nw, w, h, &root_x_nw, &root_y_nw); meta_topic (META_DEBUG_GEOMETRY, "Compensated position for gravity, new pos %d,%d\n", root_x_nw, root_y_nw); } get_mouse_deltas_for_resize (window, resize_gravity, w, h, &x_delta, &y_delta); meta_window_constrain (window, window->frame ? &fgeom : NULL, &old_rect, root_x_nw - old_rect.x, root_y_nw - old_rect.y, meta_x_direction_from_gravity (resize_gravity), x_delta, meta_y_direction_from_gravity (resize_gravity), y_delta, &new_rect); w = new_rect.width; h = new_rect.height; root_x_nw = new_rect.x; root_y_nw = new_rect.y; if (w != window->rect.width || h != window->rect.height) need_resize_client = TRUE; window->rect.width = w; window->rect.height = h; if (window->frame) { int new_w, new_h; new_w = window->rect.width + fgeom.left_width + fgeom.right_width; if (window->shaded) new_h = fgeom.top_height; else new_h = window->rect.height + fgeom.top_height + fgeom.bottom_height; frame_size_dx = new_w - window->frame->rect.width; frame_size_dy = new_h - window->frame->rect.height; need_resize_frame = (frame_size_dx != 0 || frame_size_dy != 0); window->frame->rect.width = new_w; window->frame->rect.height = new_h; meta_topic (META_DEBUG_GEOMETRY, "Calculated frame size %dx%d\n", window->frame->rect.width, window->frame->rect.height); } else { frame_size_dx = 0; frame_size_dy = 0; } /* For nice effect, when growing the window we want to move/resize * the frame first, when shrinking the window we want to move/resize * the client first. If we grow one way and shrink the other, * see which way we're moving "more" * * Mail from Owen subject "Suggestion: Gravity and resizing from the left" * http://mail.gnome.org/archives/wm-spec-list/1999-November/msg00088.html * * An annoying fact you need to know in this code is that StaticGravity * does nothing if you _only_ resize or _only_ move the frame; * it must move _and_ resize, otherwise you get NorthWestGravity * behavior. The move and resize must actually occur, it is not * enough to set CWX | CWWidth but pass in the current size/pos. */ if (window->frame) { int new_x, new_y; int frame_pos_dx, frame_pos_dy; /* Compute new frame coords */ new_x = root_x_nw - fgeom.left_width; new_y = root_y_nw - fgeom.top_height; frame_pos_dx = new_x - window->frame->rect.x; frame_pos_dy = new_y - window->frame->rect.y; need_move_frame = (frame_pos_dx != 0 || frame_pos_dy != 0); window->frame->rect.x = new_x; window->frame->rect.y = new_y; /* If frame will both move and resize, then StaticGravity * on the child window will kick in and implicitly move * the child with respect to the frame. The implicit * move will keep the child in the same place with * respect to the root window. If frame only moves * or only resizes, then the child will just move along * with the frame. */ /* window->rect.x, window->rect.y are relative to frame, * remember they are the server coords */ new_x = fgeom.left_width; new_y = fgeom.top_height; if (need_resize_frame && need_move_frame && static_gravity_works (window->display)) { /* static gravity kicks in because frame * is both moved and resized */ /* when we move the frame by frame_pos_dx, frame_pos_dy the * client will implicitly move relative to frame by the * inverse delta. * * When moving client then frame, we move the client by the * frame delta, to be canceled out by the implicit move by * the inverse frame delta, resulting in a client at new_x, * new_y. * * When moving frame then client, we move the client * by the same delta as the frame, because the client * was "left behind" by the frame - resulting in a client * at new_x, new_y. * * In both cases we need to move the client window * in all cases where we had to move the frame window. */ client_move_x = new_x + frame_pos_dx; client_move_y = new_y + frame_pos_dy; if (need_move_frame) need_move_client = TRUE; use_static_gravity = TRUE; } else { client_move_x = new_x; client_move_y = new_y; if (client_move_x != window->rect.x || client_move_y != window->rect.y) need_move_client = TRUE; use_static_gravity = FALSE; } /* This is the final target position, but not necessarily what * we pass to XConfigureWindow, due to StaticGravity implicit * movement. */ window->rect.x = new_x; window->rect.y = new_y; } else { if (root_x_nw != window->rect.x || root_y_nw != window->rect.y) need_move_client = TRUE; window->rect.x = root_x_nw; window->rect.y = root_y_nw; client_move_x = window->rect.x; client_move_y = window->rect.y; use_static_gravity = FALSE; } /* If frame extents have changed, fill in other frame fields and change frame's extents property. */ if (window->frame && (window->frame->child_x != fgeom.left_width || window->frame->child_y != fgeom.top_height || window->frame->right_width != fgeom.right_width || window->frame->bottom_height != fgeom.bottom_height)) { window->frame->child_x = fgeom.left_width; window->frame->child_y = fgeom.top_height; window->frame->right_width = fgeom.right_width; window->frame->bottom_height = fgeom.bottom_height; update_net_frame_extents (window); } /* See ICCCM 4.1.5 for when to send ConfigureNotify */ need_configure_notify = FALSE; /* If this is a configure request and we change nothing, then we * must send configure notify. */ if (is_configure_request && !(need_move_client || need_move_frame || need_resize_client || need_resize_frame || window->border_width != 0)) need_configure_notify = TRUE; /* We must send configure notify if we move but don't resize, since * the client window may not get a real event */ if ((need_move_client || need_move_frame) && !(need_resize_client || need_resize_frame)) need_configure_notify = TRUE; /* The rest of this function syncs our new size/pos with X as * efficiently as possible */ /* configure frame first if we grow more than we shrink */ size_dx = w - window->rect.width; size_dy = h - window->rect.height; configure_frame_first = (size_dx + size_dy >= 0); if (use_static_gravity) meta_window_set_gravity (window, StaticGravity); if (configure_frame_first && window->frame) meta_frame_sync_to_window (window->frame, resize_gravity, need_move_frame, need_resize_frame); values.border_width = 0; values.x = client_move_x; values.y = client_move_y; values.width = window->rect.width; values.height = window->rect.height; mask = 0; if (is_configure_request && window->border_width != 0) mask |= CWBorderWidth; /* must force to 0 */ if (need_move_client) mask |= (CWX | CWY); if (need_resize_client) mask |= (CWWidth | CWHeight); if (mask != 0) { { int newx, newy; meta_window_get_position (window, &newx, &newy); meta_topic (META_DEBUG_GEOMETRY, "Syncing new client geometry %d,%d %dx%d, border: %s pos: %s size: %s\n", newx, newy, window->rect.width, window->rect.height, mask & CWBorderWidth ? "true" : "false", need_move_client ? "true" : "false", need_resize_client ? "true" : "false"); } meta_error_trap_push (window->display); #ifdef HAVE_XSYNC if (window->sync_request_counter != None && window->display->grab_sync_request_alarm != None && window->sync_request_time.tv_usec == 0 && window->sync_request_time.tv_sec == 0) { send_sync_request (window); } #endif XConfigureWindow (window->display->xdisplay, window->xwindow, mask, &values); meta_error_trap_pop (window->display, FALSE); } if (!configure_frame_first && window->frame) meta_frame_sync_to_window (window->frame, resize_gravity, need_move_frame, need_resize_frame); /* Put gravity back to be nice to lesser window managers */ if (use_static_gravity) meta_window_set_gravity (window, NorthWestGravity); if (need_configure_notify) send_configure_notify (window); if (is_user_action) { window->user_has_move_resized = TRUE; window->user_rect.width = window->rect.width; window->user_rect.height = window->rect.height; meta_window_get_position (window, &window->user_rect.x, &window->user_rect.y); } if (need_move_frame || need_resize_frame || need_move_client || need_resize_client) { int newx, newy; meta_window_get_position (window, &newx, &newy); meta_topic (META_DEBUG_GEOMETRY, "New size/position %d,%d %dx%d (user %d,%d %dx%d)\n", newx, newy, window->rect.width, window->rect.height, window->user_rect.x, window->user_rect.y, window->user_rect.width, window->user_rect.height); } else { meta_topic (META_DEBUG_GEOMETRY, "Size/position not modified\n"); } meta_window_refresh_resize_popup (window); /* Invariants leaving this function are: * a) window->rect and frame->rect reflect the actual * server-side size/pos of window->xwindow and frame->xwindow * b) all constraints are obeyed by window->rect and frame->rect */ } void meta_window_resize (MetaWindow *window, gboolean user_op, int w, int h) { int x, y; meta_window_get_position (window, &x, &y); meta_window_move_resize_internal (window, user_op ? META_USER_MOVE_RESIZE : 0, NorthWestGravity, x, y, w, h); } void meta_window_move (MetaWindow *window, gboolean user_op, int root_x_nw, int root_y_nw) { meta_window_move_resize_internal (window, user_op ? META_USER_MOVE_RESIZE : 0, NorthWestGravity, root_x_nw, root_y_nw, window->rect.width, window->rect.height); } void meta_window_move_resize (MetaWindow *window, gboolean user_op, int root_x_nw, int root_y_nw, int w, int h) { meta_window_move_resize_internal (window, user_op ? META_USER_MOVE_RESIZE : 0, NorthWestGravity, root_x_nw, root_y_nw, w, h); } void meta_window_resize_with_gravity (MetaWindow *window, gboolean user_op, int w, int h, int gravity) { int x, y; meta_window_get_position (window, &x, &y); meta_window_move_resize_internal (window, user_op ? META_USER_MOVE_RESIZE : 0, gravity, x, y, w, h); } void meta_window_move_resize_now (MetaWindow *window) { int x, y; /* If constraints have changed then we'll snap back to wherever * the user had the window */ meta_window_get_user_position (window, &x, &y); /* This used to use the user width/height if the user hadn't resized, * but it turns out that breaks things pretty often, because configure * requests from the app or size hints changes from the app frequently * reflect user actions such as changing terminal font size * or expanding a disclosure triangle. */ meta_window_move_resize (window, FALSE, x, y, window->rect.width, window->rect.height); } static void check_maximize_to_work_area (MetaWindow *window, const MetaRectangle *work_area) { /* If we now fill the screen, maximize. * the point here is that fill horz + fill vert = maximized */ MetaRectangle rect; if (!window->has_maximize_func) return; meta_window_get_outer_rect (window, &rect); if ( rect.x >= work_area->x && rect.y >= work_area->y && (((work_area->width - work_area->x) - rect.width) < window->size_hints.width_inc) && (((work_area->height - work_area->y) - rect.height) < window->size_hints.height_inc) ) meta_window_maximize (window); } void meta_window_fill_horizontal (MetaWindow *window) { MetaRectangle work_area; int x, y, w, h; meta_window_get_user_position (window, &x, &y); w = window->rect.width; h = window->rect.height; meta_window_get_work_area_current_xinerama (window, &work_area); x = work_area.x; w = work_area.width; if (window->frame != NULL) { x += window->frame->child_x; w -= (window->frame->child_x + window->frame->right_width); } meta_window_move_resize (window, TRUE, x, y, w, h); check_maximize_to_work_area (window, &work_area); } void meta_window_fill_vertical (MetaWindow *window) { MetaRectangle work_area; int x, y, w, h; meta_window_get_user_position (window, &x, &y); w = window->rect.width; h = window->rect.height; meta_window_get_work_area_current_xinerama (window, &work_area); y = work_area.y; h = work_area.height; if (window->frame != NULL) { y += window->frame->child_y; h -= (window->frame->child_y + window->frame->bottom_height); } meta_window_move_resize (window, TRUE, x, y, w, h); check_maximize_to_work_area (window, &work_area); } static guint move_resize_idle = 0; static GSList *move_resize_pending = NULL; static gboolean idle_move_resize (gpointer data) { GSList *tmp; GSList *copy; meta_topic (META_DEBUG_GEOMETRY, "Clearing the move_resize queue\n"); /* Work with a copy, for reentrancy. The allowed reentrancy isn't * complete; destroying a window while we're in here would result in * badness. But it's OK to queue/unqueue move_resizes. */ copy = g_slist_copy (move_resize_pending); g_slist_free (move_resize_pending); move_resize_pending = NULL; move_resize_idle = 0; destroying_windows_disallowed += 1; tmp = copy; while (tmp != NULL) { MetaWindow *window; window = tmp->data; /* As a side effect, sets window->move_resize_queued = FALSE */ meta_window_move_resize_now (window); tmp = tmp->next; } g_slist_free (copy); destroying_windows_disallowed -= 1; return FALSE; } void meta_window_unqueue_move_resize (MetaWindow *window) { if (!window->move_resize_queued) return; meta_topic (META_DEBUG_GEOMETRY, "Removing %s from the move_resize queue\n", window->desc); /* Note that window may not actually be in move_resize_pending * because it may have been in "copy" inside the idle handler */ move_resize_pending = g_slist_remove (move_resize_pending, window); window->move_resize_queued = FALSE; if (move_resize_pending == NULL && move_resize_idle != 0) { g_source_remove (move_resize_idle); move_resize_idle = 0; } } void meta_window_flush_move_resize (MetaWindow *window) { if (window->move_resize_queued) { meta_window_unqueue_move_resize (window); meta_window_move_resize_now (window); } } /* The move/resize queue is only used when we need to * recheck the constraints on the window, e.g. when * maximizing or when changing struts. Configure requests * and such always have to be handled synchronously, * they can't be done via a queue. */ void meta_window_queue_move_resize (MetaWindow *window) { if (window->unmanaging) return; if (window->move_resize_queued) return; meta_topic (META_DEBUG_GEOMETRY, "Putting %s in the move_resize queue\n", window->desc); window->move_resize_queued = TRUE; if (move_resize_idle == 0) move_resize_idle = g_idle_add_full (META_PRIORITY_RESIZE, idle_move_resize, NULL, NULL); move_resize_pending = g_slist_prepend (move_resize_pending, window); } void meta_window_get_position (MetaWindow *window, int *x, int *y) { if (window->frame) { if (x) *x = window->frame->rect.x + window->frame->child_x; if (y) *y = window->frame->rect.y + window->frame->child_y; } else { if (x) *x = window->rect.x; if (y) *y = window->rect.y; } } void meta_window_get_user_position (MetaWindow *window, int *x, int *y) { if (window->user_has_move_resized) { if (x) *x = window->user_rect.x; if (y) *y = window->user_rect.y; } else { meta_window_get_position (window, x, y); } } void meta_window_get_gravity_position (MetaWindow *window, int *root_x, int *root_y) { MetaRectangle frame_extents; int w, h; int x, y; w = window->rect.width; h = window->rect.height; if (window->size_hints.win_gravity == StaticGravity) { frame_extents = window->rect; if (window->frame) { frame_extents.x = window->frame->rect.x + window->frame->child_x; frame_extents.y = window->frame->rect.y + window->frame->child_y; } } else { if (window->frame == NULL) frame_extents = window->rect; else frame_extents = window->frame->rect; } x = frame_extents.x; y = frame_extents.y; switch (window->size_hints.win_gravity) { case NorthGravity: case CenterGravity: case SouthGravity: /* Find center of frame. */ x += frame_extents.width / 2; /* Center client window on that point. */ x -= w / 2; break; case SouthEastGravity: case EastGravity: case NorthEastGravity: /* Find right edge of frame */ x += frame_extents.width; /* Align left edge of client at that point. */ x -= w; break; default: break; } switch (window->size_hints.win_gravity) { case WestGravity: case CenterGravity: case EastGravity: /* Find center of frame. */ y += frame_extents.height / 2; /* Center client window there. */ y -= h / 2; break; case SouthWestGravity: case SouthGravity: case SouthEastGravity: /* Find south edge of frame */ y += frame_extents.height; /* Place bottom edge of client there */ y -= h; break; default: break; } if (root_x) *root_x = x; if (root_y) *root_y = y; } void meta_window_get_geometry (MetaWindow *window, int *x, int *y, int *width, int *height) { meta_window_get_gravity_position (window, x, y); *width = (window->rect.width - window->size_hints.base_width) / window->size_hints.width_inc; *height = (window->rect.height - window->size_hints.base_height) / window->size_hints.height_inc; } void meta_window_get_outer_rect (MetaWindow *window, MetaRectangle *rect) { if (window->frame) *rect = window->frame->rect; else *rect = window->rect; } void meta_window_get_xor_rect (MetaWindow *window, const MetaRectangle *grab_wireframe_rect, MetaRectangle *xor_rect) { if (window->frame) { xor_rect->x = grab_wireframe_rect->x - window->frame->child_x; xor_rect->y = grab_wireframe_rect->y - window->frame->child_y; xor_rect->width = grab_wireframe_rect->width + window->frame->child_x + window->frame->right_width; if (window->shaded) xor_rect->height = window->frame->child_y; else xor_rect->height = grab_wireframe_rect->height + window->frame->child_y + window->frame->bottom_height; } else *xor_rect = *grab_wireframe_rect; } const char* meta_window_get_startup_id (MetaWindow *window) { if (window->startup_id == NULL) { MetaGroup *group; group = meta_window_get_group (window); if (group != NULL) return meta_group_get_startup_id (group); } return window->startup_id; } void meta_window_focus (MetaWindow *window, Time timestamp) { meta_topic (META_DEBUG_FOCUS, "Setting input focus to window %s, input: %d take_focus: %d\n", window->desc, window->input, window->take_focus); if (window->display->grab_window && window->display->grab_window->all_keys_grabbed) { meta_topic (META_DEBUG_FOCUS, "Current focus window %s has global keygrab, not focusing window %s after all\n", window->display->grab_window->desc, window->desc); return; } meta_window_flush_calc_showing (window); if (!window->mapped && !window->shaded) { meta_topic (META_DEBUG_FOCUS, "Window %s is not showing, not focusing after all\n", window->desc); return; } /* For output-only or shaded windows, focus the frame. * This seems to result in the client window getting key events * though, so I don't know if it's icccm-compliant. * * Still, we have to do this or keynav breaks for these windows. */ if (window->frame && (window->shaded || !(window->input || window->take_focus))) { if (window->frame) { meta_topic (META_DEBUG_FOCUS, "Focusing frame of %s\n", window->desc); XSetInputFocus (window->display->xdisplay, window->frame->xwindow, RevertToPointerRoot, timestamp); window->display->expected_focus_window = window; } } else { meta_error_trap_push (window->display); if (window->input) { meta_topic (META_DEBUG_FOCUS, "Calling XSetInputFocus() on client window %s since input = true\n", window->desc); XSetInputFocus (window->display->xdisplay, window->xwindow, RevertToPointerRoot, timestamp); window->display->expected_focus_window = window; } if (window->take_focus) { meta_topic (META_DEBUG_FOCUS, "Sending WM_TAKE_FOCUS to %s since take_focus = true\n", window->desc); meta_window_send_icccm_message (window, window->display->atom_wm_take_focus, timestamp); window->display->expected_focus_window = window; } meta_error_trap_pop (window->display, FALSE); } if (window->wm_state_demands_attention) { window->wm_state_demands_attention = FALSE; set_net_wm_state (window); } /* Check if there's an autoraise timeout for a different window */ if (window != window->display->autoraise_window) meta_display_remove_autoraise_callback (window->display); } static void meta_window_change_workspace_without_transients (MetaWindow *window, MetaWorkspace *workspace) { GList *next; meta_verbose ("Changing window %s to workspace %d\n", window->desc, meta_workspace_index (workspace)); /* unstick if stuck. meta_window_unstick would call * meta_window_change_workspace recursively if the window * is not in the active workspace. */ if (window->on_all_workspaces) meta_window_unstick (window); /* See if we're already on this space. If not, make sure we are */ if (g_list_find (window->workspaces, workspace) == NULL) meta_workspace_add_window (workspace, window); /* Remove from all other spaces */ next = window->workspaces; while (next != NULL) { MetaWorkspace *remove; remove = next->data; next = next->next; if (remove != workspace) meta_workspace_remove_window (remove, window); } /* list size == 1 */ g_assert (window->workspaces != NULL); g_assert (window->workspaces->next == NULL); } static gboolean change_workspace_foreach (MetaWindow *window, void *data) { meta_window_change_workspace_without_transients (window, data); return TRUE; } void meta_window_change_workspace (MetaWindow *window, MetaWorkspace *workspace) { meta_window_change_workspace_without_transients (window, workspace); meta_window_foreach_transient (window, change_workspace_foreach, workspace); } void meta_window_stick (MetaWindow *window) { GList *tmp; MetaWorkspace *workspace; meta_verbose ("Sticking window %s current on_all_workspaces = %d\n", window->desc, window->on_all_workspaces); if (window->on_all_workspaces) return; /* We don't change window->workspaces, because we revert * to that original workspace list if on_all_workspaces is * toggled back off. */ window->on_all_workspaces = TRUE; /* We do, however, change the MRU lists of all the workspaces */ tmp = window->screen->workspaces; while (tmp) { workspace = (MetaWorkspace *) tmp->data; if (!g_list_find (workspace->mru_list, window)) workspace->mru_list = g_list_prepend (workspace->mru_list, window); tmp = tmp->next; } meta_window_set_current_workspace_hint (window); meta_window_queue_calc_showing (window); } void meta_window_unstick (MetaWindow *window) { GList *tmp; MetaWorkspace *workspace; if (!window->on_all_workspaces) return; /* Revert to window->workspaces */ window->on_all_workspaces = FALSE; /* Remove window from MRU lists that it doesn't belong in */ tmp = window->screen->workspaces; while (tmp) { workspace = (MetaWorkspace *) tmp->data; if (!meta_workspace_contains_window (workspace, window)) workspace->mru_list = g_list_remove (workspace->mru_list, window); tmp = tmp->next; } /* We change ourselves to the active workspace, since otherwise you'd get * a weird window-vaporization effect. Once we have UI for being * on more than one workspace this should probably be add_workspace * not change_workspace. */ if (!meta_workspace_contains_window (window->screen->active_workspace, window)) meta_window_change_workspace (window, window->screen->active_workspace); meta_window_set_current_workspace_hint (window); meta_window_queue_calc_showing (window); } unsigned long meta_window_get_net_wm_desktop (MetaWindow *window) { if (window->on_all_workspaces || g_list_length (window->workspaces) > 1) return 0xFFFFFFFF; else return meta_workspace_index (window->workspaces->data); } static void update_net_frame_extents (MetaWindow *window) { unsigned long data[4] = { 0, 0, 0, 0 }; if (window->frame) { /* Left */ data[0] = window->frame->child_x; /* Right */ data[1] = window->frame->right_width; /* Top */ data[2] = window->frame->child_y; /* Bottom */ data[3] = window->frame->bottom_height; } meta_topic (META_DEBUG_GEOMETRY, "Setting _NET_FRAME_EXTENTS on managed window 0x%lx " "to top = %ld, left = %ld, bottom = %ld, right = %ld\n", window->xwindow, data[0], data[1], data[2], data[3]); meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_frame_extents, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 4); meta_error_trap_pop (window->display, FALSE); } void meta_window_set_current_workspace_hint (MetaWindow *window) { /* FIXME if on more than one workspace, we claim to be "sticky", * the WM spec doesn't say what to do here. */ unsigned long data[1]; if (window->workspaces == NULL) { /* this happens when unmanaging windows */ return; } data[0] = meta_window_get_net_wm_desktop (window); meta_verbose ("Setting _NET_WM_DESKTOP of %s to %ld\n", window->desc, data[0]); meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_desktop, XA_CARDINAL, 32, PropModeReplace, (guchar*) data, 1); meta_error_trap_pop (window->display, FALSE); } void meta_window_raise (MetaWindow *window) { meta_topic (META_DEBUG_WINDOW_OPS, "Raising window %s\n", window->desc); meta_stack_raise (window->screen->stack, window); } void meta_window_lower (MetaWindow *window) { meta_topic (META_DEBUG_WINDOW_OPS, "Lowering window %s\n", window->desc); meta_stack_lower (window->screen->stack, window); } void meta_window_send_icccm_message (MetaWindow *window, Atom atom, Time timestamp) { /* This comment and code are from twm, copyright * Open Group, Evans & Sutherland, etc. */ /* * ICCCM Client Messages - Section 4.2.8 of the ICCCM dictates that all * client messages will have the following form: * * event type ClientMessage * message type _XA_WM_PROTOCOLS * window tmp->w * format 32 * data[0] message atom * data[1] time stamp */ XClientMessageEvent ev; ev.type = ClientMessage; ev.window = window->xwindow; ev.message_type = window->display->atom_wm_protocols; ev.format = 32; ev.data.l[0] = atom; ev.data.l[1] = timestamp; meta_error_trap_push (window->display); XSendEvent (window->display->xdisplay, window->xwindow, False, 0, (XEvent*) &ev); meta_error_trap_pop (window->display, FALSE); } gboolean meta_window_configure_request (MetaWindow *window, XEvent *event) { int x, y, width, height; gboolean only_resize; gboolean allow_position_change; gboolean in_grab_op; /* We ignore configure requests while the user is moving/resizing * the window, since these represent the app sucking and fighting * the user, most likely due to a bug in the app (e.g. pfaedit * seemed to do this) * * Still have to do the ConfigureNotify and all, but pretend the * app asked for the current size/position instead of the new one. */ in_grab_op = FALSE; if (window->display->grab_op != META_GRAB_OP_NONE && window == window->display->grab_window) { switch (window->display->grab_op) { case META_GRAB_OP_MOVING: case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_S: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_RESIZING_N: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_RESIZING_W: case META_GRAB_OP_RESIZING_E: in_grab_op = TRUE; break; default: break; } } /* it's essential to use only the explicitly-set fields, * and otherwise use our current up-to-date position. * * Otherwise you get spurious position changes when the app changes * size, for example, if window->rect is not in sync with the * server-side position in effect when the configure request was * generated. */ meta_window_get_gravity_position (window, &x, &y); only_resize = TRUE; allow_position_change = FALSE; if (meta_prefs_get_disable_workarounds ()) { if (window->type == META_WINDOW_DIALOG || window->type == META_WINDOW_MODAL_DIALOG || window->type == META_WINDOW_SPLASHSCREEN) ; /* No position change for these */ else if ((window->size_hints.flags & PPosition) || /* USPosition is just stale if window is placed; * no --geometry involved here. */ ((window->size_hints.flags & USPosition) && !window->placed)) allow_position_change = TRUE; } else { allow_position_change = TRUE; } if (in_grab_op) allow_position_change = FALSE; if (allow_position_change) { if (event->xconfigurerequest.value_mask & CWX) x = event->xconfigurerequest.x; if (event->xconfigurerequest.value_mask & CWY) y = event->xconfigurerequest.y; if (event->xconfigurerequest.value_mask & (CWX | CWY)) { only_resize = FALSE; /* Once manually positioned, windows shouldn't be placed * by the window manager. */ window->placed = TRUE; } } else { meta_topic (META_DEBUG_GEOMETRY, "Not allowing position change for window %s PPosition 0x%lx USPosition 0x%lx type %d\n", window->desc, window->size_hints.flags & PPosition, window->size_hints.flags & USPosition, window->type); } width = window->rect.width; height = window->rect.height; if (!in_grab_op) { if (event->xconfigurerequest.value_mask & CWWidth) width = event->xconfigurerequest.width; if (event->xconfigurerequest.value_mask & CWHeight) height = event->xconfigurerequest.height; } /* ICCCM 4.1.5 */ /* Note that x, y is the corner of the window border, * and width, height is the size of the window inside * its border, but that we always deny border requests * and give windows a border of 0. But we save the * requested border here. */ window->border_width = event->xconfigurerequest.border_width; /* We're ignoring the value_mask here, since sizes * not in the mask will be the current window geometry. */ window->size_hints.x = x; window->size_hints.y = y; window->size_hints.width = width; window->size_hints.height = height; /* FIXME passing the gravity on only_resize thing is kind of crack-rock. * Basically I now have several ways of handling gravity, and things * don't make too much sense. I think I am doing the math in a couple * places and could do it in only one function, and remove some of the * move_resize_internal arguments. */ meta_window_move_resize_internal (window, META_IS_CONFIGURE_REQUEST, only_resize ? window->size_hints.win_gravity : NorthWestGravity, window->size_hints.x, window->size_hints.y, window->size_hints.width, window->size_hints.height); /* Handle stacking. We only handle raises/lowers, mostly because * stack.c really can't deal with anything else. I guess we'll fix * that if a client turns up that really requires it. Only a very * few clients even require the raise/lower (and in fact all client * attempts to deal with stacking order are essentially broken, * since they have no idea what other clients are involved or how * the stack looks). * * I'm pretty sure no interesting client uses TopIf, BottomIf, or * Opposite anyway, so the only possible missing thing is * Above/Below with a sibling set. For now we just pretend there's * never a sibling set and always do the full raise/lower instead of * the raise-just-above/below-sibling. */ if (event->xconfigurerequest.value_mask & CWStackMode) { switch (event->xconfigurerequest.detail) { case Above: meta_window_raise (window); break; case Below: meta_window_lower (window); break; case TopIf: case BottomIf: case Opposite: break; } } return TRUE; } gboolean meta_window_property_notify (MetaWindow *window, XEvent *event) { return process_property_notify (window, &event->xproperty); } #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0 #define _NET_WM_MOVERESIZE_SIZE_TOP 1 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7 #define _NET_WM_MOVERESIZE_MOVE 8 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 gboolean meta_window_client_message (MetaWindow *window, XEvent *event) { MetaDisplay *display; display = window->display; if (event->xclient.message_type == display->atom_net_close_window) { Time timestamp; if (event->xclient.data.l[0] != 0) timestamp = event->xclient.data.l[0]; else timestamp = meta_display_get_current_time (window->display); meta_window_delete (window, timestamp); return TRUE; } else if (event->xclient.message_type == display->atom_net_wm_desktop) { int space; MetaWorkspace *workspace; space = event->xclient.data.l[0]; meta_verbose ("Request to move %s to workspace %d\n", window->desc, space); workspace = meta_screen_get_workspace_by_index (window->screen, space); if (workspace) { if (window->on_all_workspaces) meta_window_unstick (window); meta_window_change_workspace (window, workspace); } else if (space == (int) 0xFFFFFFFF) { meta_window_stick (window); } else { meta_verbose ("No such workspace %d for screen\n", space); } meta_verbose ("Window %s now on_all_workspaces = %d\n", window->desc, window->on_all_workspaces); return TRUE; } else if (event->xclient.message_type == display->atom_net_wm_state) { gulong action; Atom first; Atom second; action = event->xclient.data.l[0]; first = event->xclient.data.l[1]; second = event->xclient.data.l[2]; if (meta_is_verbose ()) { char *str1; char *str2; meta_error_trap_push_with_return (display); str1 = XGetAtomName (display->xdisplay, first); if (meta_error_trap_pop_with_return (display, TRUE) != Success) str1 = NULL; meta_error_trap_push_with_return (display); str2 = XGetAtomName (display->xdisplay, second); if (meta_error_trap_pop_with_return (display, TRUE) != Success) str2 = NULL; meta_verbose ("Request to change _NET_WM_STATE action %ld atom1: %s atom2: %s\n", action, str1 ? str1 : "(unknown)", str2 ? str2 : "(unknown)"); meta_XFree (str1); meta_XFree (str2); } if (first == display->atom_net_wm_state_shaded || second == display->atom_net_wm_state_shaded) { gboolean shade; shade = (action == _NET_WM_STATE_ADD || (action == _NET_WM_STATE_TOGGLE && !window->shaded)); if (shade && window->has_shade_func) meta_window_shade (window); else meta_window_unshade (window); } if (first == display->atom_net_wm_state_fullscreen || second == display->atom_net_wm_state_fullscreen) { gboolean make_fullscreen; make_fullscreen = (action == _NET_WM_STATE_ADD || (action == _NET_WM_STATE_TOGGLE && !window->fullscreen)); if (make_fullscreen && window->has_fullscreen_func) meta_window_make_fullscreen (window); else meta_window_unmake_fullscreen (window); } if (first == display->atom_net_wm_state_maximized_horz || second == display->atom_net_wm_state_maximized_horz || first == display->atom_net_wm_state_maximized_vert || second == display->atom_net_wm_state_maximized_vert) { gboolean max; max = (action == _NET_WM_STATE_ADD || (action == _NET_WM_STATE_TOGGLE && !window->maximized)); if (max && window->has_maximize_func) meta_window_maximize (window); else meta_window_unmaximize (window); } if (first == display->atom_net_wm_state_modal || second == display->atom_net_wm_state_modal) { window->wm_state_modal = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_modal); recalc_window_type (window); meta_window_queue_move_resize (window); } if (first == display->atom_net_wm_state_skip_pager || second == display->atom_net_wm_state_skip_pager) { window->wm_state_skip_pager = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->skip_pager); recalc_window_features (window); set_net_wm_state (window); } if (first == display->atom_net_wm_state_skip_taskbar || second == display->atom_net_wm_state_skip_taskbar) { window->wm_state_skip_taskbar = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->skip_taskbar); recalc_window_features (window); set_net_wm_state (window); } if (first == display->atom_net_wm_state_above || second == display->atom_net_wm_state_above) { window->wm_state_above = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_above); meta_window_update_layer (window); set_net_wm_state (window); } if (first == display->atom_net_wm_state_below || second == display->atom_net_wm_state_below) { window->wm_state_below = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_below); meta_window_update_layer (window); set_net_wm_state (window); } if (first == display->atom_net_wm_state_demands_attention || second == display->atom_net_wm_state_demands_attention) { window->wm_state_demands_attention = (action == _NET_WM_STATE_ADD) || (action == _NET_WM_STATE_TOGGLE && !window->wm_state_demands_attention); set_net_wm_state (window); } return TRUE; } else if (event->xclient.message_type == display->atom_wm_change_state) { meta_verbose ("WM_CHANGE_STATE client message, state: %ld\n", event->xclient.data.l[0]); if (event->xclient.data.l[0] == IconicState && window->has_minimize_func) { meta_window_minimize (window); /* If the window being minimized was the one with focus, * then we should focus a new window. We often receive this * wm_change_state message when a user has clicked on the * tasklist on the panel; in those cases, the current * focus_window is the panel, but the previous focus_window * will have been this one. This is a special case where we * need to manually handle focusing a new window because * meta_window_minimize will get it wrong. */ if (window->display->focus_window && (window->display->focus_window->type == META_WINDOW_DOCK || window->display->focus_window->type == META_WINDOW_DESKTOP) && window->display->previously_focused_window == window) { meta_topic (META_DEBUG_FOCUS, "Focusing default window because of minimization of former focus window %s, which was due to a wm_change_state client message\n", window->desc); meta_workspace_focus_default_window (window->screen->active_workspace, window, meta_display_get_current_time_roundtrip (window->display)); } } return TRUE; } else if (event->xclient.message_type == display->atom_net_wm_moveresize) { int x_root; int y_root; int action; MetaGrabOp op; int button; x_root = event->xclient.data.l[0]; y_root = event->xclient.data.l[1]; action = event->xclient.data.l[2]; button = event->xclient.data.l[3]; meta_topic (META_DEBUG_WINDOW_OPS, "Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d, button %d\n", window->desc, x_root, y_root, action, button); op = META_GRAB_OP_NONE; switch (action) { case _NET_WM_MOVERESIZE_SIZE_TOPLEFT: op = META_GRAB_OP_RESIZING_NW; break; case _NET_WM_MOVERESIZE_SIZE_TOP: op = META_GRAB_OP_RESIZING_N; break; case _NET_WM_MOVERESIZE_SIZE_TOPRIGHT: op = META_GRAB_OP_RESIZING_NE; break; case _NET_WM_MOVERESIZE_SIZE_RIGHT: op = META_GRAB_OP_RESIZING_E; break; case _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT: op = META_GRAB_OP_RESIZING_SE; break; case _NET_WM_MOVERESIZE_SIZE_BOTTOM: op = META_GRAB_OP_RESIZING_S; break; case _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT: op = META_GRAB_OP_RESIZING_SW; break; case _NET_WM_MOVERESIZE_SIZE_LEFT: op = META_GRAB_OP_RESIZING_W; break; case _NET_WM_MOVERESIZE_MOVE: op = META_GRAB_OP_MOVING; break; case _NET_WM_MOVERESIZE_SIZE_KEYBOARD: op = META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN; break; case _NET_WM_MOVERESIZE_MOVE_KEYBOARD: op = META_GRAB_OP_KEYBOARD_MOVING; break; default: break; } if (op != META_GRAB_OP_NONE && ((window->has_move_func && op == META_GRAB_OP_KEYBOARD_MOVING) || (window->has_resize_func && op == META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN))) { meta_window_begin_grab_op (window, op, meta_display_get_current_time (window->display)); } else if (op != META_GRAB_OP_NONE && ((window->has_move_func && op == META_GRAB_OP_MOVING) || (window->has_resize_func && (op != META_GRAB_OP_MOVING && op != META_GRAB_OP_KEYBOARD_MOVING)))) { /* * the button SHOULD already be included in the message */ if (button == 0) { int x, y, query_root_x, query_root_y; Window root, child; guint mask; /* The race conditions in this _NET_WM_MOVERESIZE thing * are mind-boggling */ mask = 0; meta_error_trap_push (window->display); XQueryPointer (window->display->xdisplay, window->xwindow, &root, &child, &query_root_x, &query_root_y, &x, &y, &mask); meta_error_trap_pop (window->display, TRUE); if (mask & Button1Mask) button = 1; else if (mask & Button2Mask) button = 2; else if (mask & Button3Mask) button = 3; else button = 0; } if (button != 0) { meta_topic (META_DEBUG_WINDOW_OPS, "Beginning move/resize with button = %d\n", button); meta_display_begin_grab_op (window->display, window->screen, window, op, FALSE, 0 /* event_serial */, button, 0, meta_display_get_current_time (window->display), x_root, y_root); } } return TRUE; } else if (event->xclient.message_type == display->atom_net_active_window) { meta_verbose ("_NET_ACTIVE_WINDOW request for window '%s', activating", window->desc); if (event->xclient.data.l[0] != 0) { /* Client supports newer _NET_ACTIVE_WINDOW with a * convenient timestamp */ meta_window_activate (window, event->xclient.data.l[1]); } else { /* Client using older EWMH _NET_ACTIVE_WINDOW without a * timestamp */ meta_window_activate (window, meta_display_get_current_time (window->display)); } return TRUE; } return FALSE; } gboolean meta_window_notify_focus (MetaWindow *window, XEvent *event) { /* note the event can be on either the window or the frame, * we focus the frame for shaded windows */ /* The event can be FocusIn, FocusOut, or UnmapNotify. * On UnmapNotify we have to pretend it's focus out, * because we won't get a focus out if it occurs, apparently. */ /* We ignore grabs, though this is questionable. * It may be better to increase the intelligence of * the focus window tracking. * * The problem is that keybindings for windows are done with * XGrabKey, which means focus_window disappears and the front of * the MRU list gets confused from what the user expects once a * keybinding is used. */ meta_topic (META_DEBUG_FOCUS, "Focus %s event received on %s 0x%lx (%s) " "mode %s detail %s\n", event->type == FocusIn ? "in" : event->type == FocusOut ? "out" : event->type == UnmapNotify ? "unmap" : "???", window->desc, event->xany.window, event->xany.window == window->xwindow ? "client window" : (window->frame && event->xany.window == window->frame->xwindow) ? "frame window" : "unknown window", event->type != UnmapNotify ? meta_event_mode_to_string (event->xfocus.mode) : "n/a", event->type != UnmapNotify ? meta_event_detail_to_string (event->xfocus.detail) : "n/a"); /* FIXME our pointer tracking is broken; see how * gtk+/gdk/x11/gdkevents-x11.c or XFree86/xc/programs/xterm/misc.c * handle it for the correct way. In brief you need to track * pointer focus and regular focus, and handle EnterNotify in * PointerRoot mode with no window manager. However as noted above, * accurate focus tracking will break things because we want to keep * windows "focused" when using keybindings on them, and also we * sometimes "focus" a window by focusing its frame or * no_focus_window; so this all needs rethinking massively. * * My suggestion is to change it so that we clearly separate * actual keyboard focus tracking using the xterm algorithm, * and metacity's "pretend" focus window, and go through all * the code and decide which one should be used in each place; * a hard bit is deciding on a policy for that. * * http://bugzilla.gnome.org/show_bug.cgi?id=90382 */ if ((event->type == FocusIn || event->type == FocusOut) && (event->xfocus.mode == NotifyGrab || event->xfocus.mode == NotifyUngrab || /* From WindowMaker, ignore all funky pointer root events */ event->xfocus.detail > NotifyNonlinearVirtual)) { meta_topic (META_DEBUG_FOCUS, "Ignoring focus event generated by a grab or other weirdness\n"); return TRUE; } if (event->type == FocusIn) { if (window != window->display->focus_window) { meta_topic (META_DEBUG_FOCUS, "* Focus --> %s\n", window->desc); window->display->focus_window = window; window->has_focus = TRUE; /* Move to the front of the focusing workspace's MRU list. * We should only be "removing" it from the MRU list if it's * not already there. Note that it's possible that we might * be processing this FocusIn after we've changed to a * different workspace; we should therefore update the MRU * list only if the window is actually on the active * workspace. */ if (window->screen->active_workspace && meta_window_visible_on_workspace (window, window->screen->active_workspace)) { GList* link; link = g_list_find (window->screen->active_workspace->mru_list, window); g_assert (link); window->screen->active_workspace->mru_list = g_list_remove_link (window->screen->active_workspace->mru_list, link); g_list_free (link); window->screen->active_workspace->mru_list = g_list_prepend (window->screen->active_workspace->mru_list, window); } if (window->frame) meta_frame_queue_draw (window->frame); meta_error_trap_push (window->display); XInstallColormap (window->display->xdisplay, window->colormap); meta_error_trap_pop (window->display, FALSE); /* move into FOCUSED_WINDOW layer */ meta_window_update_layer (window); /* Ungrab click to focus button since the sync grab can interfere * with some things you might do inside the focused window, by * causing the client to get funky enter/leave events. */ if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK) meta_display_ungrab_focus_window_button (window->display, window); } } else if (event->type == FocusOut || event->type == UnmapNotify) { if (event->type == FocusOut && event->xfocus.detail == NotifyInferior) { /* This event means the client moved focus to a subwindow */ meta_topic (META_DEBUG_FOCUS, "Ignoring focus out on %s with NotifyInferior\n", window->desc); return TRUE; } if (window == window->display->focus_window) { meta_topic (META_DEBUG_FOCUS, "%s is now the previous focus window due to being focused out or unmapped\n", window->desc); meta_topic (META_DEBUG_FOCUS, "* Focus --> NULL (was %s)\n", window->desc); window->display->previously_focused_window = window->display->focus_window; window->display->focus_window = NULL; window->has_focus = FALSE; if (window->frame) meta_frame_queue_draw (window->frame); meta_error_trap_push (window->display); XUninstallColormap (window->display->xdisplay, window->colormap); meta_error_trap_pop (window->display, FALSE); /* move out of FOCUSED_WINDOW layer */ meta_window_update_layer (window); /* Re-grab for click to focus, if necessary */ if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK) meta_display_grab_focus_window_button (window->display, window); } } /* Now set _NET_ACTIVE_WINDOW hint */ meta_display_update_active_window_hint (window->display); return FALSE; } static gboolean process_property_notify (MetaWindow *window, XPropertyEvent *event) { /* FIXME once we move entirely to the window-props.h framework, we * can just call reload on the property in the event and get rid of * this if-else chain. */ if (event->atom == XA_WM_NAME) { meta_verbose ("Property notify on %s for WM_NAME\n", window->desc); /* don't bother reloading WM_NAME if using _NET_WM_NAME already */ if (!window->using_net_wm_name) meta_window_reload_property (window, XA_WM_NAME); } else if (event->atom == window->display->atom_net_wm_name) { meta_verbose ("Property notify on %s for NET_WM_NAME\n", window->desc); meta_window_reload_property (window, window->display->atom_net_wm_name); /* if _NET_WM_NAME was unset, reload WM_NAME */ if (!window->using_net_wm_name) meta_window_reload_property (window, XA_WM_NAME); } else if (event->atom == XA_WM_ICON_NAME) { meta_verbose ("Property notify on %s for WM_ICON_NAME\n", window->desc); /* don't bother reloading WM_ICON_NAME if using _NET_WM_ICON_NAME already */ if (!window->using_net_wm_icon_name) meta_window_reload_property (window, XA_WM_ICON_NAME); } else if (event->atom == window->display->atom_net_wm_icon_name) { meta_verbose ("Property notify on %s for NET_WM_ICON_NAME\n", window->desc); meta_window_reload_property (window, window->display->atom_net_wm_icon_name); /* if _NET_WM_ICON_NAME was unset, reload WM_ICON_NAME */ if (!window->using_net_wm_icon_name) meta_window_reload_property (window, XA_WM_ICON_NAME); } else if (event->atom == XA_WM_NORMAL_HINTS) { meta_verbose ("Property notify on %s for WM_NORMAL_HINTS\n", window->desc); meta_window_reload_property (window, XA_WM_NORMAL_HINTS); /* See if we need to constrain current size */ meta_window_queue_move_resize (window); } else if (event->atom == window->display->atom_wm_protocols) { meta_verbose ("Property notify on %s for WM_PROTOCOLS\n", window->desc); meta_window_reload_property (window, window->display->atom_wm_protocols); } else if (event->atom == XA_WM_HINTS) { meta_verbose ("Property notify on %s for WM_HINTS\n", window->desc); meta_window_reload_property (window, XA_WM_HINTS); } else if (event->atom == window->display->atom_motif_wm_hints) { meta_verbose ("Property notify on %s for MOTIF_WM_HINTS\n", window->desc); update_mwm_hints (window); if (window->decorated) meta_window_ensure_frame (window); else meta_window_destroy_frame (window); meta_window_queue_move_resize (window); /* because ensure/destroy frame may unmap */ meta_window_queue_calc_showing (window); } else if (event->atom == XA_WM_CLASS) { meta_verbose ("Property notify on %s for WM_CLASS\n", window->desc); update_wm_class (window); } else if (event->atom == XA_WM_TRANSIENT_FOR) { meta_verbose ("Property notify on %s for WM_TRANSIENT_FOR\n", window->desc); update_transient_for (window); meta_window_queue_move_resize (window); } else if (event->atom == window->display->atom_wm_window_role) { meta_verbose ("Property notify on %s for WM_WINDOW_ROLE\n", window->desc); update_role (window); } else if (event->atom == window->display->atom_wm_client_leader || event->atom == window->display->atom_sm_client_id) { meta_warning ("Broken client! Window %s changed client leader window or SM client ID\n", window->desc); } else if (event->atom == window->display->atom_net_wm_window_type) { meta_verbose ("Property notify on %s for NET_WM_WINDOW_TYPE\n", window->desc); update_net_wm_type (window); } else if (event->atom == window->display->atom_net_wm_icon) { meta_verbose ("Property notify on %s for NET_WM_ICON\n", window->desc); meta_icon_cache_property_changed (&window->icon_cache, window->display, event->atom); meta_window_queue_update_icon (window); } else if (event->atom == window->display->atom_kwm_win_icon) { meta_verbose ("Property notify on %s for KWM_WIN_ICON\n", window->desc); meta_icon_cache_property_changed (&window->icon_cache, window->display, event->atom); meta_window_queue_update_icon (window); } else if ((event->atom == window->display->atom_net_wm_strut) || (event->atom == window->display->atom_net_wm_strut_partial)) { meta_verbose ("Property notify on %s for _NET_WM_STRUT\n", window->desc); meta_window_update_struts (window); } else if (event->atom == window->display->atom_net_startup_id) { meta_verbose ("Property notify on %s for _NET_STARTUP_ID\n", window->desc); meta_window_reload_property (window, window->display->atom_net_startup_id); } else if (event->atom == window->display->atom_net_wm_sync_request_counter) { meta_verbose ("Property notify on %s for _NET_WM_SYNC_REQUEST_COUNTER\n", window->desc); meta_window_reload_property (window, window->display->atom_net_wm_sync_request_counter); } else if (event->atom == window->display->atom_net_wm_user_time) { meta_verbose ("Property notify on %s for _NET_WM_USER_TIME\n", window->desc); meta_window_reload_property (window, window->display->atom_net_wm_user_time); } return TRUE; } static void send_configure_notify (MetaWindow *window) { XEvent event; /* from twm */ event.type = ConfigureNotify; event.xconfigure.display = window->display->xdisplay; event.xconfigure.event = window->xwindow; event.xconfigure.window = window->xwindow; event.xconfigure.x = window->rect.x - window->border_width; event.xconfigure.y = window->rect.y - window->border_width; if (window->frame) { /* Need to be in root window coordinates */ event.xconfigure.x += window->frame->rect.x; event.xconfigure.y += window->frame->rect.y; } event.xconfigure.width = window->rect.width; event.xconfigure.height = window->rect.height; event.xconfigure.border_width = window->border_width; /* requested not actual */ event.xconfigure.above = None; /* FIXME */ event.xconfigure.override_redirect = False; meta_topic (META_DEBUG_GEOMETRY, "Sending synthetic configure notify to %s with x: %d y: %d w: %d h: %d\n", window->desc, event.xconfigure.x, event.xconfigure.y, event.xconfigure.width, event.xconfigure.height); meta_error_trap_push (window->display); XSendEvent (window->display->xdisplay, window->xwindow, False, StructureNotifyMask, &event); meta_error_trap_pop (window->display, FALSE); } static void update_net_wm_state (MetaWindow *window) { /* We know this is only on initial window creation, * clients don't change the property. */ int n_atoms; Atom *atoms; window->shaded = FALSE; window->maximized = FALSE; window->wm_state_modal = FALSE; window->wm_state_skip_taskbar = FALSE; window->wm_state_skip_pager = FALSE; window->wm_state_above = FALSE; window->wm_state_below = FALSE; window->wm_state_demands_attention = FALSE; if (meta_prop_get_atom_list (window->display, window->xwindow, window->display->atom_net_wm_state, &atoms, &n_atoms)) { int i; i = 0; while (i < n_atoms) { if (atoms[i] == window->display->atom_net_wm_state_shaded) window->shaded = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_maximized_horz) window->maximize_after_placement = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_maximized_vert) window->maximize_after_placement = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_modal) window->wm_state_modal = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_skip_taskbar) window->wm_state_skip_taskbar = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_skip_pager) window->wm_state_skip_pager = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_fullscreen) window->fullscreen = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_above) window->wm_state_above = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_below) window->wm_state_below = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_demands_attention) window->wm_state_demands_attention = TRUE; ++i; } meta_XFree (atoms); } recalc_window_type (window); } static void update_mwm_hints (MetaWindow *window) { MotifWmHints *hints; window->mwm_decorated = TRUE; window->mwm_border_only = FALSE; window->mwm_has_close_func = TRUE; window->mwm_has_minimize_func = TRUE; window->mwm_has_maximize_func = TRUE; window->mwm_has_move_func = TRUE; window->mwm_has_resize_func = TRUE; if (!meta_prop_get_motif_hints (window->display, window->xwindow, window->display->atom_motif_wm_hints, &hints)) { meta_verbose ("Window %s has no MWM hints\n", window->desc); return; } /* We support those MWM hints deemed non-stupid */ meta_verbose ("Window %s has MWM hints\n", window->desc); if (hints->flags & MWM_HINTS_DECORATIONS) { meta_verbose ("Window %s sets MWM_HINTS_DECORATIONS 0x%lx\n", window->desc, hints->decorations); if (hints->decorations == 0) window->mwm_decorated = FALSE; /* some input methods use this */ else if (hints->decorations == MWM_DECOR_BORDER) window->mwm_border_only = TRUE; } else meta_verbose ("Decorations flag unset\n"); if (hints->flags & MWM_HINTS_FUNCTIONS) { gboolean toggle_value; meta_verbose ("Window %s sets MWM_HINTS_FUNCTIONS 0x%lx\n", window->desc, hints->functions); /* If _ALL is specified, then other flags indicate what to turn off; * if ALL is not specified, flags are what to turn on. * at least, I think so */ if ((hints->functions & MWM_FUNC_ALL) == 0) { toggle_value = TRUE; meta_verbose ("Window %s disables all funcs then reenables some\n", window->desc); window->mwm_has_close_func = FALSE; window->mwm_has_minimize_func = FALSE; window->mwm_has_maximize_func = FALSE; window->mwm_has_move_func = FALSE; window->mwm_has_resize_func = FALSE; } else { meta_verbose ("Window %s enables all funcs then disables some\n", window->desc); toggle_value = FALSE; } if ((hints->functions & MWM_FUNC_CLOSE) != 0) { meta_verbose ("Window %s toggles close via MWM hints\n", window->desc); window->mwm_has_close_func = toggle_value; } if ((hints->functions & MWM_FUNC_MINIMIZE) != 0) { meta_verbose ("Window %s toggles minimize via MWM hints\n", window->desc); window->mwm_has_minimize_func = toggle_value; } if ((hints->functions & MWM_FUNC_MAXIMIZE) != 0) { meta_verbose ("Window %s toggles maximize via MWM hints\n", window->desc); window->mwm_has_maximize_func = toggle_value; } if ((hints->functions & MWM_FUNC_MOVE) != 0) { meta_verbose ("Window %s toggles move via MWM hints\n", window->desc); window->mwm_has_move_func = toggle_value; } if ((hints->functions & MWM_FUNC_RESIZE) != 0) { meta_verbose ("Window %s toggles resize via MWM hints\n", window->desc); window->mwm_has_resize_func = toggle_value; } } else meta_verbose ("Functions flag unset\n"); meta_XFree (hints); recalc_window_features (window); } gboolean meta_window_get_icon_geometry (MetaWindow *window, MetaRectangle *rect) { gulong *geometry = NULL; int nitems; if (meta_prop_get_cardinal_list (window->display, window->xwindow, window->display->atom_net_wm_icon_geometry, &geometry, &nitems)) { if (nitems != 4) { meta_verbose ("_NET_WM_ICON_GEOMETRY on %s has %d values instead of 4\n", window->desc, nitems); meta_XFree (geometry); return FALSE; } if (rect) { rect->x = geometry[0]; rect->y = geometry[1]; rect->width = geometry[2]; rect->height = geometry[3]; } meta_XFree (geometry); return TRUE; } return FALSE; } static void update_wm_class (MetaWindow *window) { XClassHint ch; if (window->res_class) g_free (window->res_class); if (window->res_name) g_free (window->res_name); window->res_class = NULL; window->res_name = NULL; ch.res_name = NULL; ch.res_class = NULL; meta_prop_get_class_hint (window->display, window->xwindow, XA_WM_CLASS, &ch); if (ch.res_name) { window->res_name = g_strdup (ch.res_name); XFree (ch.res_name); } if (ch.res_class) { window->res_class = g_strdup (ch.res_class); XFree (ch.res_class); } meta_verbose ("Window %s class: '%s' name: '%s'\n", window->desc, window->res_class ? window->res_class : "none", window->res_name ? window->res_name : "none"); } static Window read_client_leader (MetaDisplay *display, Window xwindow) { Window retval = None; meta_prop_get_window (display, xwindow, display->atom_wm_client_leader, &retval); return retval; } typedef struct { Window leader; } ClientLeaderData; static gboolean find_client_leader_func (MetaWindow *ancestor, void *data) { ClientLeaderData *d; d = data; d->leader = read_client_leader (ancestor->display, ancestor->xwindow); /* keep going if no client leader found */ return d->leader == None; } static void update_sm_hints (MetaWindow *window) { Window leader; window->xclient_leader = None; window->sm_client_id = NULL; /* If not on the current window, we can get the client * leader from transient parents. If we find a client * leader, we read the SM_CLIENT_ID from it. */ leader = read_client_leader (window->display, window->xwindow); if (leader == None) { ClientLeaderData d; d.leader = None; meta_window_foreach_ancestor (window, find_client_leader_func, &d); leader = d.leader; } if (leader != None) { char *str; window->xclient_leader = leader; if (meta_prop_get_latin1_string (window->display, leader, window->display->atom_sm_client_id, &str)) { window->sm_client_id = g_strdup (str); meta_XFree (str); } } else { meta_verbose ("Didn't find a client leader for %s\n", window->desc); if (!meta_prefs_get_disable_workarounds ()) { /* Some broken apps (kdelibs fault?) set SM_CLIENT_ID on the app * instead of the client leader */ char *str; str = NULL; if (meta_prop_get_latin1_string (window->display, window->xwindow, window->display->atom_sm_client_id, &str)) { if (window->sm_client_id == NULL) /* first time through */ meta_warning (_("Window %s sets SM_CLIENT_ID on itself, instead of on the WM_CLIENT_LEADER window as specified in the ICCCM.\n"), window->desc); window->sm_client_id = g_strdup (str); meta_XFree (str); } } } meta_verbose ("Window %s client leader: 0x%lx SM_CLIENT_ID: '%s'\n", window->desc, window->xclient_leader, window->sm_client_id ? window->sm_client_id : "none"); } static void update_role (MetaWindow *window) { char *str; if (window->role) g_free (window->role); window->role = NULL; if (meta_prop_get_latin1_string (window->display, window->xwindow, window->display->atom_wm_window_role, &str)) { window->role = g_strdup (str); meta_XFree (str); } meta_verbose ("Updated role of %s to '%s'\n", window->desc, window->role ? window->role : "null"); } static void update_transient_for (MetaWindow *window) { Window w; meta_error_trap_push (window->display); w = None; XGetTransientForHint (window->display->xdisplay, window->xwindow, &w); meta_error_trap_pop (window->display, TRUE); window->xtransient_for = w; window->transient_parent_is_root_window = window->xtransient_for == window->screen->xroot; if (window->xtransient_for != None) meta_verbose ("Window %s transient for 0x%lx (root = %d)\n", window->desc, window->xtransient_for, window->transient_parent_is_root_window); else meta_verbose ("Window %s is not transient\n", window->desc); /* may now be a dialog */ recalc_window_type (window); /* update stacking constraints */ meta_stack_update_transient (window->screen->stack, window); } /* some legacy cruft */ typedef enum { WIN_LAYER_DESKTOP = 0, WIN_LAYER_BELOW = 2, WIN_LAYER_NORMAL = 4, WIN_LAYER_ONTOP = 6, WIN_LAYER_DOCK = 8, WIN_LAYER_ABOVE_DOCK = 10 } GnomeWinLayer; static void update_net_wm_type (MetaWindow *window) { int n_atoms; Atom *atoms; int i; window->type_atom = None; n_atoms = 0; atoms = NULL; meta_prop_get_atom_list (window->display, window->xwindow, window->display->atom_net_wm_window_type, &atoms, &n_atoms); i = 0; while (i < n_atoms) { /* We break as soon as we find one we recognize, * supposed to prefer those near the front of the list */ if (atoms[i] == window->display->atom_net_wm_window_type_desktop || atoms[i] == window->display->atom_net_wm_window_type_dock || atoms[i] == window->display->atom_net_wm_window_type_toolbar || atoms[i] == window->display->atom_net_wm_window_type_menu || atoms[i] == window->display->atom_net_wm_window_type_dialog || atoms[i] == window->display->atom_net_wm_window_type_normal || atoms[i] == window->display->atom_net_wm_window_type_utility || atoms[i] == window->display->atom_net_wm_window_type_splash) { window->type_atom = atoms[i]; break; } ++i; } meta_XFree (atoms); if (meta_is_verbose ()) { char *str; str = NULL; if (window->type_atom != None) { meta_error_trap_push (window->display); str = XGetAtomName (window->display->xdisplay, window->type_atom); meta_error_trap_pop (window->display, TRUE); } meta_verbose ("Window %s type atom %s\n", window->desc, str ? str : "(none)"); if (str) meta_XFree (str); } recalc_window_type (window); } static void redraw_icon (MetaWindow *window) { /* We could probably be smart and just redraw the icon here, * instead of the whole frame. */ if (window->frame && (window->mapped || window->frame->mapped)) meta_ui_queue_frame_draw (window->screen->ui, window->frame->xwindow); } static void meta_window_update_icon_now (MetaWindow *window) { GdkPixbuf *icon; GdkPixbuf *mini_icon; icon = NULL; mini_icon = NULL; if (meta_read_icons (window->screen, window->xwindow, &window->icon_cache, window->wm_hints_pixmap, window->wm_hints_mask, &icon, META_ICON_WIDTH, META_ICON_HEIGHT, &mini_icon, META_MINI_ICON_WIDTH, META_MINI_ICON_HEIGHT)) { if (window->icon) g_object_unref (G_OBJECT (window->icon)); if (window->mini_icon) g_object_unref (G_OBJECT (window->mini_icon)); window->icon = icon; window->mini_icon = mini_icon; redraw_icon (window); } g_assert (window->icon); g_assert (window->mini_icon); } static guint update_icon_idle = 0; static GSList *update_icon_pending = NULL; static gboolean idle_update_icon (gpointer data) { GSList *tmp; GSList *copy; meta_topic (META_DEBUG_GEOMETRY, "Clearing the update_icon queue\n"); /* Work with a copy, for reentrancy. The allowed reentrancy isn't * complete; destroying a window while we're in here would result in * badness. But it's OK to queue/unqueue update_icons. */ copy = g_slist_copy (update_icon_pending); g_slist_free (update_icon_pending); update_icon_pending = NULL; update_icon_idle = 0; destroying_windows_disallowed += 1; tmp = copy; while (tmp != NULL) { MetaWindow *window; window = tmp->data; meta_window_update_icon_now (window); window->update_icon_queued = FALSE; tmp = tmp->next; } g_slist_free (copy); destroying_windows_disallowed -= 1; return FALSE; } void meta_window_unqueue_update_icon (MetaWindow *window) { if (!window->update_icon_queued) return; meta_topic (META_DEBUG_GEOMETRY, "Removing %s from the update_icon queue\n", window->desc); /* Note that window may not actually be in update_icon_pending * because it may have been in "copy" inside the idle handler */ update_icon_pending = g_slist_remove (update_icon_pending, window); window->update_icon_queued = FALSE; if (update_icon_pending == NULL && update_icon_idle != 0) { g_source_remove (update_icon_idle); update_icon_idle = 0; } } void meta_window_flush_update_icon (MetaWindow *window) { if (window->update_icon_queued) { meta_window_unqueue_update_icon (window); meta_window_update_icon_now (window); } } void meta_window_queue_update_icon (MetaWindow *window) { if (window->unmanaging) return; if (window->update_icon_queued) return; meta_topic (META_DEBUG_GEOMETRY, "Putting %s in the update_icon queue\n", window->desc); window->update_icon_queued = TRUE; if (update_icon_idle == 0) update_icon_idle = g_idle_add (idle_update_icon, NULL); update_icon_pending = g_slist_prepend (update_icon_pending, window); } GList* meta_window_get_workspaces (MetaWindow *window) { if (window->on_all_workspaces) return window->screen->workspaces; else return window->workspaces; } static void invalidate_work_areas (MetaWindow *window) { GList *tmp; tmp = meta_window_get_workspaces (window); while (tmp != NULL) { meta_workspace_invalidate_work_area (tmp->data); tmp = tmp->next; } } void meta_window_update_struts (MetaWindow *window) { gulong *struts = NULL; int nitems; gboolean old_has_struts; gboolean new_has_struts; MetaRectangle old_left; MetaRectangle old_right; MetaRectangle old_top; MetaRectangle old_bottom; MetaRectangle new_left; MetaRectangle new_right; MetaRectangle new_top; MetaRectangle new_bottom; /** * This gap must be kept to at least 75 pixels, since otherwise * struts on opposite sides of the screen left/right could interfere * in each other in a way that makes it so there is no feasible * solution to the constraint satisfaction problem. See * constraints.c. */ #define MIN_EMPTY (76) meta_verbose ("Updating struts for %s\n", window->desc); if (window->struts) { old_has_struts = TRUE; old_left = window->struts->left; old_right = window->struts->right; old_top = window->struts->top; old_bottom = window->struts->bottom; } else { old_has_struts = FALSE; } new_has_struts = FALSE; new_left.width = 0; new_left.x = 0; new_left.y = 0; new_left.height = window->screen->height; new_right.width = 0; new_right.x = window->screen->width; new_right.y = 0; new_right.height = window->screen->height; new_top.height = 0; new_top.y = 0; new_top.x = 0; new_top.width = window->screen->width; new_bottom.height = 0; new_bottom.y = window->screen->height; new_bottom.x = 0; new_bottom.width = window->screen->width; if (meta_prop_get_cardinal_list (window->display, window->xwindow, window->display->atom_net_wm_strut_partial, &struts, &nitems)) { if (nitems != 12) { meta_verbose ("_NET_WM_STRUT_PARTIAL on %s has %d values instead of 12\n", window->desc, nitems); } else { int gap; gap = window->screen->width - struts[0] - struts[1]; gap -= MIN_EMPTY; new_has_struts = TRUE; new_left.width = (int) struts[0] + MIN (0, gap/2); new_right.width = (int) struts[1] + MIN (0, gap/2); gap = window->screen->height - struts[2] - struts[3]; gap -= MIN_EMPTY; new_top.height = (int)struts[2] + MIN (0, gap/2); new_bottom.height = (int)struts[3] + MIN (0, gap/2); new_right.x = window->screen->width - new_right.width; new_bottom.y = window->screen->height - new_bottom.height; new_left.y = struts[4]; new_left.height = struts[5] - new_left.y + 1; new_right.y = struts[6]; new_right.height = struts[7] - new_right.y + 1; new_top.x = struts[8]; new_top.width = struts[9] - new_top.x + 1; new_bottom.x = struts[10]; new_bottom.width = struts[11] - new_bottom.x + 1; meta_verbose ("_NET_WM_STRUT_PARTIAL struts %d %d %d %d for window %s\n", new_left.width, new_right.width, new_top.height, new_bottom.height, window->desc); } meta_XFree (struts); } else { meta_verbose ("No _NET_WM_STRUT property for %s\n", window->desc); } if (!new_has_struts) { if (meta_prop_get_cardinal_list (window->display, window->xwindow, window->display->atom_net_wm_strut, &struts, &nitems)) { if (nitems != 4) { meta_verbose ("_NET_WM_STRUT on %s has %d values instead of 4\n", window->desc, nitems); } else { int gap; gap = window->screen->width - struts[0] - struts[1]; gap -= MIN_EMPTY; new_has_struts = TRUE; new_left.width = (int) struts[0] + MIN (0, gap/2); new_right.width = (int) struts[1] + MIN (0, gap/2); gap = window->screen->height - struts[2] - struts[3]; gap -= MIN_EMPTY; new_top.height = (int)struts[2] + MIN (0, gap/2); new_bottom.height = (int)struts[3] + MIN (0, gap/2); new_left.x = 0; new_right.x = window->screen->width - new_right.width; new_top.y = 0; new_bottom.y = window->screen->height - new_bottom.height; meta_verbose ("_NET_WM_STRUT struts %d %d %d %d for window %s\n", new_left.width, new_right.width, new_top.height, new_bottom.height, window->desc); } meta_XFree (struts); } else { meta_verbose ("No _NET_WM_STRUT property for %s\n", window->desc); } } if (old_has_struts != new_has_struts || (new_has_struts && old_has_struts && (!meta_rectangle_equal(&old_left, &new_left) || !meta_rectangle_equal(&old_right, &new_right) || !meta_rectangle_equal(&old_top, &new_top) || !meta_rectangle_equal(&old_bottom, &new_bottom)))) { if (new_has_struts) { if (!window->struts) window->struts = g_new (MetaStruts, 1); window->struts->left = new_left; window->struts->right = new_right; window->struts->top = new_top; window->struts->bottom = new_bottom; } else { g_free (window->struts); window->struts = NULL; } meta_topic (META_DEBUG_WORKAREA, "Invalidating work areas of window %s due to struts update\n", window->desc); invalidate_work_areas (window); } else { meta_topic (META_DEBUG_WORKAREA, "Struts on %s were unchanged\n", window->desc); } } static void recalc_window_type (MetaWindow *window) { MetaWindowType old_type; old_type = window->type; if (window->type_atom != None) { if (window->type_atom == window->display->atom_net_wm_window_type_desktop) window->type = META_WINDOW_DESKTOP; else if (window->type_atom == window->display->atom_net_wm_window_type_dock) window->type = META_WINDOW_DOCK; else if (window->type_atom == window->display->atom_net_wm_window_type_toolbar) window->type = META_WINDOW_TOOLBAR; else if (window->type_atom == window->display->atom_net_wm_window_type_menu) window->type = META_WINDOW_MENU; else if (window->type_atom == window->display->atom_net_wm_window_type_dialog) window->type = META_WINDOW_DIALOG; else if (window->type_atom == window->display->atom_net_wm_window_type_normal) window->type = META_WINDOW_NORMAL; else if (window->type_atom == window->display->atom_net_wm_window_type_utility) window->type = META_WINDOW_UTILITY; else if (window->type_atom == window->display->atom_net_wm_window_type_splash) window->type = META_WINDOW_SPLASHSCREEN; else meta_bug ("Set a type atom for %s that wasn't handled in recalc_window_type\n", window->desc); } else if (window->xtransient_for != None) { window->type = META_WINDOW_DIALOG; } else { window->type = META_WINDOW_NORMAL; } if (window->type == META_WINDOW_DIALOG && window->wm_state_modal) window->type = META_WINDOW_MODAL_DIALOG; meta_verbose ("Calculated type %d for %s, old type %d\n", window->type, window->desc, old_type); if (old_type != window->type) { recalc_window_features (window); set_net_wm_state (window); /* Update frame */ if (window->decorated) meta_window_ensure_frame (window); else meta_window_destroy_frame (window); /* update stacking constraints */ meta_window_update_layer (window); meta_window_grab_keys (window); } } static void set_allowed_actions_hint (MetaWindow *window) { #define MAX_N_ACTIONS 10 unsigned long data[MAX_N_ACTIONS]; int i; i = 0; if (window->has_move_func) { data[i] = window->display->atom_net_wm_action_move; ++i; } if (window->has_resize_func) { data[i] = window->display->atom_net_wm_action_resize; ++i; data[i] = window->display->atom_net_wm_action_fullscreen; ++i; } if (window->has_minimize_func) { data[i] = window->display->atom_net_wm_action_minimize; ++i; } if (window->has_shade_func) { data[i] = window->display->atom_net_wm_action_shade; ++i; } /* sticky according to EWMH is different from metacity's sticky; * metacity doesn't support EWMH sticky */ if (window->has_maximize_func) { data[i] = window->display->atom_net_wm_action_maximize_horz; ++i; data[i] = window->display->atom_net_wm_action_maximize_vert; ++i; } /* We always allow this */ data[i] = window->display->atom_net_wm_action_change_desktop; ++i; if (window->has_close_func) { data[i] = window->display->atom_net_wm_action_close; ++i; } g_assert (i <= MAX_N_ACTIONS); meta_verbose ("Setting _NET_WM_ALLOWED_ACTIONS with %d atoms\n", i); meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_allowed_actions, XA_ATOM, 32, PropModeReplace, (guchar*) data, i); meta_error_trap_pop (window->display, FALSE); #undef MAX_N_ACTIONS } void meta_window_recalc_features (MetaWindow *window) { recalc_window_features (window); } static void recalc_window_features (MetaWindow *window) { gboolean old_has_close_func; gboolean old_has_minimize_func; gboolean old_has_move_func; gboolean old_has_resize_func; gboolean old_has_shade_func; gboolean old_always_sticky; old_has_close_func = window->has_close_func; old_has_minimize_func = window->has_minimize_func; old_has_move_func = window->has_move_func; old_has_resize_func = window->has_resize_func; old_has_shade_func = window->has_shade_func; old_always_sticky = window->always_sticky; /* Use MWM hints initially */ window->decorated = window->mwm_decorated; window->border_only = window->mwm_border_only; window->has_close_func = window->mwm_has_close_func; window->has_minimize_func = window->mwm_has_minimize_func; window->has_maximize_func = window->mwm_has_maximize_func; window->has_move_func = window->mwm_has_move_func; window->has_resize_func = TRUE; /* If min_size == max_size, then don't allow resize */ if (window->size_hints.min_width == window->size_hints.max_width && window->size_hints.min_height == window->size_hints.max_height) window->has_resize_func = FALSE; else if (!window->mwm_has_resize_func) { /* We ignore mwm_has_resize_func because WM_NORMAL_HINTS is the * authoritative source for that info. Some apps such as mplayer or * xine disable resize via MWM but not WM_NORMAL_HINTS, but that * leads to e.g. us not fullscreening their windows. Apps that set * MWM but not WM_NORMAL_HINTS are basically broken. We complain * about these apps but make them work. */ meta_warning (_("Window %s sets an MWM hint indicating it isn't resizable, but sets min size %d x %d and max size %d x %d; this doesn't make much sense.\n"), window->desc, window->size_hints.min_width, window->size_hints.min_height, window->size_hints.max_width, window->size_hints.max_height); } window->has_shade_func = TRUE; window->has_fullscreen_func = TRUE; window->always_sticky = FALSE; /* Semantic category overrides the MWM hints */ if (window->type == META_WINDOW_TOOLBAR) window->decorated = FALSE; if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK) window->always_sticky = TRUE; if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK || window->type == META_WINDOW_SPLASHSCREEN) { window->decorated = FALSE; window->has_close_func = FALSE; window->has_shade_func = FALSE; /* FIXME this keeps panels and things from using * NET_WM_MOVERESIZE; the problem is that some * panels (edge panels) have fixed possible locations, * and others ("floating panels") do not. * * Perhaps we should require edge panels to explicitly * disable movement? */ window->has_move_func = FALSE; window->has_resize_func = FALSE; } if (window->type != META_WINDOW_NORMAL) { window->has_minimize_func = FALSE; window->has_maximize_func = FALSE; window->has_fullscreen_func = FALSE; } if (!window->has_resize_func) { window->has_maximize_func = FALSE; /* don't allow fullscreen if we can't resize, unless the size * is entire screen size (kind of broken, because we * actually fullscreen to xinerama head size not screen size) */ if (window->size_hints.min_width == window->screen->width && window->size_hints.min_height == window->screen->height && !window->decorated) ; /* leave fullscreen available */ else window->has_fullscreen_func = FALSE; } /* We leave fullscreen windows decorated, just push the frame outside * the screen. This avoids flickering to unparent them. * * Note that setting has_resize_func = FALSE here must come after the * above code that may disable fullscreen, because if the window * is not resizable purely due to fullscreen, we don't want to * disable fullscreen mode. */ if (window->fullscreen) { window->has_shade_func = FALSE; window->has_move_func = FALSE; window->has_resize_func = FALSE; window->has_maximize_func = FALSE; } meta_topic (META_DEBUG_WINDOW_OPS, "Window %s fullscreen = %d not resizable, maximizable = %d fullscreenable = %d min size %dx%d max size %dx%d\n", window->desc, window->fullscreen, window->has_maximize_func, window->has_fullscreen_func, window->size_hints.min_width, window->size_hints.min_height, window->size_hints.max_width, window->size_hints.max_height); /* no shading if not decorated */ if (!window->decorated || window->border_only) window->has_shade_func = FALSE; window->skip_taskbar = FALSE; window->skip_pager = FALSE; if (window->wm_state_skip_taskbar) window->skip_taskbar = TRUE; if (window->wm_state_skip_pager) window->skip_pager = TRUE; switch (window->type) { /* Force skip taskbar/pager on these window types */ case META_WINDOW_DESKTOP: case META_WINDOW_DOCK: case META_WINDOW_TOOLBAR: case META_WINDOW_MENU: case META_WINDOW_UTILITY: case META_WINDOW_SPLASHSCREEN: window->skip_taskbar = TRUE; window->skip_pager = TRUE; break; case META_WINDOW_DIALOG: case META_WINDOW_MODAL_DIALOG: /* only skip taskbar if we have a real transient parent */ if (window->xtransient_for != None && window->xtransient_for != window->screen->xroot) window->skip_taskbar = TRUE; break; case META_WINDOW_NORMAL: break; } meta_topic (META_DEBUG_WINDOW_OPS, "Window %s decorated = %d border_only = %d has_close = %d has_minimize = %d has_maximize = %d has_move = %d has_shade = %d skip_taskbar = %d skip_pager = %d\n", window->desc, window->decorated, window->border_only, window->has_close_func, window->has_minimize_func, window->has_maximize_func, window->has_move_func, window->has_shade_func, window->skip_taskbar, window->skip_pager); /* FIXME: * Lame workaround for recalc_window_features * being used overzealously. The fix is to * only recalc_window_features when something * has actually changed. */ if (old_has_close_func != window->has_close_func || old_has_minimize_func != window->has_minimize_func || old_has_move_func != window->has_move_func || old_has_resize_func != window->has_resize_func || old_has_shade_func != window->has_shade_func || old_always_sticky != window->always_sticky) set_allowed_actions_hint (window); /* FIXME perhaps should ensure if we don't have a shade func, * we aren't shaded, etc. */ } static void menu_callback (MetaWindowMenu *menu, Display *xdisplay, Window client_xwindow, Time timestamp, MetaMenuOp op, int workspace_index, gpointer data) { MetaDisplay *display; MetaWindow *window; MetaWorkspace *workspace; display = meta_display_for_x_display (xdisplay); window = meta_display_lookup_x_window (display, client_xwindow); workspace = NULL; if (window != NULL) /* window can be NULL */ { meta_verbose ("Menu op %d on %s\n", op, window->desc); /* op can be 0 for none */ switch (op) { case META_MENU_OP_DELETE: meta_window_delete (window, timestamp); break; case META_MENU_OP_MINIMIZE: meta_window_minimize (window); break; case META_MENU_OP_UNMAXIMIZE: meta_window_unmaximize (window); break; case META_MENU_OP_MAXIMIZE: meta_window_maximize (window); break; case META_MENU_OP_UNSHADE: meta_window_unshade (window); break; case META_MENU_OP_SHADE: meta_window_shade (window); break; case META_MENU_OP_MOVE_LEFT: workspace = meta_workspace_get_neighbor (window->screen->active_workspace, META_MOTION_LEFT); break; case META_MENU_OP_MOVE_RIGHT: workspace = meta_workspace_get_neighbor (window->screen->active_workspace, META_MOTION_RIGHT); break; case META_MENU_OP_MOVE_UP: workspace = meta_workspace_get_neighbor (window->screen->active_workspace, META_MOTION_UP); break; case META_MENU_OP_MOVE_DOWN: workspace = meta_workspace_get_neighbor (window->screen->active_workspace, META_MOTION_DOWN); break; case META_MENU_OP_WORKSPACES: workspace = meta_screen_get_workspace_by_index (window->screen, workspace_index); break; case META_MENU_OP_STICK: meta_window_stick (window); break; case META_MENU_OP_UNSTICK: meta_window_unstick (window); break; case META_MENU_OP_ABOVE: meta_window_make_above (window); break; case META_MENU_OP_UNABOVE: meta_window_unmake_above (window); break; case META_MENU_OP_MOVE: meta_window_begin_grab_op (window, META_GRAB_OP_KEYBOARD_MOVING, meta_display_get_current_time (window->display)); break; case META_MENU_OP_RESIZE: meta_window_begin_grab_op (window, META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN, meta_display_get_current_time (window->display)); break; case 0: /* nothing */ break; default: meta_warning (G_STRLOC": Unknown window op\n"); break; } if (workspace) { meta_window_change_workspace (window, workspace); #if 0 meta_workspace_activate (workspace); meta_window_raise (window); #endif } } else { meta_verbose ("Menu callback on nonexistent window\n"); } if (display->window_menu == menu) { display->window_menu = NULL; display->window_with_menu = NULL; } meta_ui_window_menu_free (menu); } void meta_window_show_menu (MetaWindow *window, int root_x, int root_y, int button, Time timestamp) { MetaMenuOp ops; MetaMenuOp insensitive; MetaWindowMenu *menu; MetaWorkspaceLayout layout; int n_workspaces; if (window->display->window_menu) { meta_ui_window_menu_free (window->display->window_menu); window->display->window_menu = NULL; window->display->window_with_menu = NULL; } ops = 0; insensitive = 0; ops |= (META_MENU_OP_DELETE | META_MENU_OP_MINIMIZE | META_MENU_OP_MOVE | META_MENU_OP_RESIZE); n_workspaces = meta_screen_get_n_workspaces (window->screen); if (n_workspaces > 1) ops |= META_MENU_OP_WORKSPACES; meta_screen_calc_workspace_layout (window->screen, n_workspaces, meta_workspace_index ( window->screen->active_workspace), &layout); if (!window->on_all_workspaces) { if (layout.current_col > 0) ops |= META_MENU_OP_MOVE_LEFT; if ((layout.current_col < layout.cols - 1) && (layout.current_row * layout.cols + (layout.current_col + 1) < n_workspaces)) ops |= META_MENU_OP_MOVE_RIGHT; if (layout.current_row > 0) ops |= META_MENU_OP_MOVE_UP; if ((layout.current_row < layout.rows - 1) && ((layout.current_row + 1) * layout.cols + layout.current_col < n_workspaces)) ops |= META_MENU_OP_MOVE_DOWN; } if (window->maximized) ops |= META_MENU_OP_UNMAXIMIZE; else ops |= META_MENU_OP_MAXIMIZE; #if 0 if (window->shaded) ops |= META_MENU_OP_UNSHADE; else ops |= META_MENU_OP_SHADE; #endif if (window->on_all_workspaces) ops |= META_MENU_OP_UNSTICK; else ops |= META_MENU_OP_STICK; if (window->wm_state_above) ops |= META_MENU_OP_UNABOVE; else ops |= META_MENU_OP_ABOVE; if (!window->has_maximize_func) insensitive |= META_MENU_OP_UNMAXIMIZE | META_MENU_OP_MAXIMIZE; if (!window->has_minimize_func) insensitive |= META_MENU_OP_MINIMIZE; if (!window->has_close_func) insensitive |= META_MENU_OP_DELETE; if (!window->has_shade_func) insensitive |= META_MENU_OP_SHADE | META_MENU_OP_UNSHADE; if (!META_WINDOW_ALLOWS_MOVE (window)) insensitive |= META_MENU_OP_MOVE; if (!META_WINDOW_ALLOWS_RESIZE (window)) insensitive |= META_MENU_OP_RESIZE; if (window->always_sticky) insensitive |= META_MENU_OP_UNSTICK | META_MENU_OP_WORKSPACES; if ((window->type == META_WINDOW_DESKTOP) || (window->type == META_WINDOW_DOCK) || (window->type == META_WINDOW_SPLASHSCREEN)) insensitive |= META_MENU_OP_ABOVE | META_MENU_OP_UNABOVE; menu = meta_ui_window_menu_new (window->screen->ui, window->xwindow, ops, insensitive, meta_window_get_net_wm_desktop (window), meta_screen_get_n_workspaces (window->screen), menu_callback, NULL); window->display->window_menu = menu; window->display->window_with_menu = window; meta_verbose ("Popping up window menu for %s\n", window->desc); meta_ui_window_menu_popup (menu, root_x, root_y, button, timestamp); } static double timeval_to_ms (const GTimeVal *timeval) { return (timeval->tv_sec * G_USEC_PER_SEC + timeval->tv_usec) / 1000.0; } static double time_diff (const GTimeVal *first, const GTimeVal *second) { double first_ms = timeval_to_ms (first); double second_ms = timeval_to_ms (second); return first_ms - second_ms; } static gboolean check_moveresize_frequency (MetaWindow *window, gdouble *remaining) { GTimeVal current_time; g_get_current_time (¤t_time); #ifdef HAVE_XSYNC if (!window->disable_sync && window->display->grab_sync_request_alarm != None) { if (window->sync_request_time.tv_sec != 0 || window->sync_request_time.tv_usec != 0) { double elapsed = time_diff (¤t_time, &window->sync_request_time); if (elapsed < 1000.0) { /* We want to be sure that the timeout happens at * a time where elapsed will definitely be * greater than 1000, so we can disable sync */ if (remaining) *remaining = 1000.0 - elapsed + 100; return FALSE; } else { /* We have now waited for more than a second for the * application to respond to the sync request */ window->disable_sync = TRUE; return TRUE; } } else { /* No outstanding sync requests. Go ahead and resize */ return TRUE; } } else #endif /* HAVE_XSYNC */ { const double max_resizes_per_second = 25.0; const double ms_between_resizes = 1000.0 / max_resizes_per_second; double elapsed; elapsed = time_diff (¤t_time, &window->display->grab_last_moveresize_time); if (elapsed >= 0.0 && elapsed < ms_between_resizes) { meta_topic (META_DEBUG_RESIZING, "Delaying move/resize as only %g of %g ms elapsed\n", elapsed, ms_between_resizes); if (remaining) *remaining = (ms_between_resizes - elapsed); return FALSE; } meta_topic (META_DEBUG_RESIZING, " Checked moveresize freq, allowing move/resize now (%g of %g seconds elapsed)\n", elapsed / 1000.0, 1.0 / max_resizes_per_second); return TRUE; } } static void update_move (MetaWindow *window, unsigned int mask, int x, int y) { int dx, dy; int new_x, new_y; int shake_threshold; window->display->grab_latest_motion_x = x; window->display->grab_latest_motion_y = y; dx = x - window->display->grab_anchor_root_x; dy = y - window->display->grab_anchor_root_y; new_x = window->display->grab_anchor_window_pos.x + dx; new_y = window->display->grab_anchor_window_pos.y + dy; meta_verbose ("x,y = %d,%d anchor ptr %d,%d anchor pos %d,%d dx,dy %d,%d\n", x, y, window->display->grab_anchor_root_x, window->display->grab_anchor_root_y, window->display->grab_anchor_window_pos.x, window->display->grab_anchor_window_pos.y, dx, dy); /* shake loose (unmaximize) maximized window if dragged beyond the threshold * in the Y direction. You can't pull a window loose via X motion. */ #define DRAG_THRESHOLD_TO_SHAKE_THRESHOLD_FACTOR 6 shake_threshold = meta_ui_get_drag_threshold (window->screen->ui) * DRAG_THRESHOLD_TO_SHAKE_THRESHOLD_FACTOR; if (window->maximized && ABS (dy) >= shake_threshold) { double prop; /* Shake loose */ window->shaken_loose = TRUE; /* move the unmaximized window to the cursor */ prop = ((double)(x - window->display->grab_initial_window_pos.x)) / ((double)window->display->grab_initial_window_pos.width); window->display->grab_initial_window_pos.x = x - window->saved_rect.width * prop; window->display->grab_initial_window_pos.y = y; if (window->frame) { window->display->grab_initial_window_pos.y += window->frame->child_y / 2; } window->saved_rect.x = window->display->grab_initial_window_pos.x; window->saved_rect.y = window->display->grab_initial_window_pos.y; window->display->grab_anchor_root_x = x; window->display->grab_anchor_root_y = y; meta_window_unmaximize (window); return; } /* remaximize window on an other xinerama monitor if window has * been shaken loose or it is still maximized (then move straight) */ else if (window->shaken_loose || window->maximized) { const MetaXineramaScreenInfo *wxinerama; MetaRectangle work_area; int monitor; wxinerama = meta_screen_get_xinerama_for_window (window->screen, window); for (monitor = 0; monitor < window->screen->n_xinerama_infos; monitor++) { meta_window_get_work_area_for_xinerama (window, monitor, &work_area); /* check if cursor is near the top of a xinerama work area */ if (x >= work_area.x && x < (work_area.x + work_area.width) && y >= work_area.y && y < (work_area.y + shake_threshold)) { /* move the saved rect if window will become maximized on an * other monitor so user isn't surprised on a later unmaximize */ if (wxinerama->number != monitor) { window->saved_rect.x = work_area.x; window->saved_rect.y = work_area.y; if (window->frame) { window->saved_rect.x += window->frame->child_x; window->saved_rect.y += window->frame->child_y; } meta_window_unmaximize (window); } window->display->grab_initial_window_pos = work_area; window->display->grab_anchor_root_x = x; window->display->grab_anchor_root_y = y; window->shaken_loose = FALSE; meta_window_maximize (window); return; } } } /* don't allow a maximized window to move */ if (window->maximized) return; if (window->display->grab_wireframe_active) { /* FIXME Horribly broken, does not honor position * constraints */ MetaRectangle new_xor; window->display->grab_wireframe_rect.x = new_x; window->display->grab_wireframe_rect.y = new_y; meta_window_get_xor_rect (window, &window->display->grab_wireframe_rect, &new_xor); meta_effects_update_wireframe (window->screen, &window->display->grab_wireframe_last_xor_rect, &new_xor); window->display->grab_wireframe_last_xor_rect = new_xor; } else { /* FIXME, edge snapping broken in wireframe mode */ if (mask & ShiftMask) { /* snap to edges */ new_x = meta_window_find_nearest_vertical_edge (window, new_x); new_y = meta_window_find_nearest_horizontal_edge (window, new_y); } meta_window_move (window, TRUE, new_x, new_y); } } static void update_resize (MetaWindow *window, int x, int y, gboolean force); static gboolean update_resize_timeout (gpointer data) { MetaWindow *window = data; update_resize (window, window->display->grab_latest_motion_x, window->display->grab_latest_motion_y, TRUE); return FALSE; } static void update_resize (MetaWindow *window, int x, int y, gboolean force) { int dx, dy; int new_w, new_h; int gravity; MetaRectangle old; int new_x, new_y; double remaining; window->display->grab_latest_motion_x = x; window->display->grab_latest_motion_y = y; dx = x - window->display->grab_anchor_root_x; dy = y - window->display->grab_anchor_root_y; new_w = window->display->grab_anchor_window_pos.width; new_h = window->display->grab_anchor_window_pos.height; /* FIXME this is only used in wireframe mode */ new_x = window->display->grab_anchor_window_pos.x; new_y = window->display->grab_anchor_window_pos.y; switch (window->display->grab_op) { case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_E: case META_GRAB_OP_KEYBOARD_RESIZING_SE: case META_GRAB_OP_KEYBOARD_RESIZING_NE: case META_GRAB_OP_KEYBOARD_RESIZING_E: new_w += dx; break; case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_RESIZING_W: case META_GRAB_OP_KEYBOARD_RESIZING_NW: case META_GRAB_OP_KEYBOARD_RESIZING_SW: case META_GRAB_OP_KEYBOARD_RESIZING_W: new_w -= dx; new_x += dx; break; default: break; } switch (window->display->grab_op) { case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_S: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_KEYBOARD_RESIZING_SE: case META_GRAB_OP_KEYBOARD_RESIZING_S: case META_GRAB_OP_KEYBOARD_RESIZING_SW: new_h += dy; break; case META_GRAB_OP_RESIZING_N: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_KEYBOARD_RESIZING_N: case META_GRAB_OP_KEYBOARD_RESIZING_NE: case META_GRAB_OP_KEYBOARD_RESIZING_NW: new_h -= dy; new_y += dy; break; default: break; } if (!check_moveresize_frequency (window, &remaining) && !force) { /* we are ignoring an event here, so we schedule a * compensation event when we would otherwise not ignore * an event. Otherwise we can become stuck if the user never * generates another event. */ if (!window->display->grab_resize_timeout_id) { window->display->grab_resize_timeout_id = g_timeout_add ((int)remaining, update_resize_timeout, window); } return; } /* Remove any scheduled compensation events */ if (window->display->grab_resize_timeout_id) { g_source_remove (window->display->grab_resize_timeout_id); window->display->grab_resize_timeout_id = 0; } old = window->rect; /* compute gravity of client during operation */ gravity = meta_resize_gravity_from_grab_op (window->display->grab_op); g_assert (gravity >= 0); if (window->display->grab_wireframe_active) { /* FIXME This is crap. For example, the wireframe isn't * constrained in the way that a real resize would be. An * obvious elegant solution is to unmap the window during * wireframe, but still resize it; however, that probably * confuses broken clients that have problems with opaque * resize, they probably don't track their visibility. */ MetaRectangle new_xor; if ((new_x + new_w <= new_x) || (new_y + new_h <= new_y)) return; window->display->grab_wireframe_rect.x = new_x; window->display->grab_wireframe_rect.y = new_y; window->display->grab_wireframe_rect.width = new_w; window->display->grab_wireframe_rect.height = new_h; meta_window_get_xor_rect (window, &window->display->grab_wireframe_rect, &new_xor); meta_effects_update_wireframe (window->screen, &window->display->grab_wireframe_last_xor_rect, &new_xor); window->display->grab_wireframe_last_xor_rect = new_xor; /* do this after drawing the wires, so we don't draw over it */ meta_window_refresh_resize_popup (window); } else { meta_window_resize_with_gravity (window, TRUE, new_w, new_h, gravity); } /* Store the latest resize time, if we actually resized. */ if (window->rect.width != old.width && window->rect.height != old.height) { g_get_current_time (&window->display->grab_last_moveresize_time); } } typedef struct { const XEvent *current_event; int count; Time last_time; } EventScannerData; static Bool find_last_time_predicate (Display *display, XEvent *xevent, XPointer arg) { EventScannerData *esd = (void*) arg; if (esd->current_event->type == xevent->type && esd->current_event->xany.window == xevent->xany.window) { esd->count += 1; esd->last_time = xevent->xmotion.time; } return False; } static gboolean check_use_this_motion_notify (MetaWindow *window, XEvent *event) { EventScannerData esd; XEvent useless; /* This code is copied from Owen's GDK code. */ if (window->display->grab_motion_notify_time != 0) { /* == is really the right test, but I'm all for paranoia */ if (window->display->grab_motion_notify_time <= event->xmotion.time) { meta_topic (META_DEBUG_RESIZING, "Arrived at event with time %lu (waiting for %lu), using it\n", (unsigned long) event->xmotion.time, (unsigned long) window->display->grab_motion_notify_time); window->display->grab_motion_notify_time = 0; return TRUE; } else return FALSE; /* haven't reached the saved timestamp yet */ } esd.current_event = event; esd.count = 0; esd.last_time = 0; /* "useless" isn't filled in because the predicate never returns True */ XCheckIfEvent (window->display->xdisplay, &useless, find_last_time_predicate, (XPointer) &esd); if (esd.count > 0) meta_topic (META_DEBUG_RESIZING, "Will skip %d motion events and use the event with time %lu\n", esd.count, (unsigned long) esd.last_time); if (esd.last_time == 0) return TRUE; else { /* Save this timestamp, and ignore all motion notify * until we get to the one with this stamp. */ window->display->grab_motion_notify_time = esd.last_time; return FALSE; } } void meta_window_handle_mouse_grab_op_event (MetaWindow *window, XEvent *event) { #ifdef HAVE_XSYNC if (event->type == (window->display->xsync_event_base + XSyncAlarmNotify)) { meta_topic (META_DEBUG_RESIZING, "Alarm event received last motion x = %d y = %d\n", window->display->grab_latest_motion_x, window->display->grab_latest_motion_y); /* If sync was previously disabled, turn it back on and hope * the application has come to its senses (maybe it was just * busy with a pagefault or a long computation). */ window->disable_sync = FALSE; window->sync_request_time.tv_sec = 0; window->sync_request_time.tv_usec = 0; /* This means we are ready for another configure. */ switch (window->display->grab_op) { case META_GRAB_OP_RESIZING_E: case META_GRAB_OP_RESIZING_W: case META_GRAB_OP_RESIZING_S: case META_GRAB_OP_RESIZING_N: case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_KEYBOARD_RESIZING_S: case META_GRAB_OP_KEYBOARD_RESIZING_N: case META_GRAB_OP_KEYBOARD_RESIZING_W: case META_GRAB_OP_KEYBOARD_RESIZING_E: case META_GRAB_OP_KEYBOARD_RESIZING_SE: case META_GRAB_OP_KEYBOARD_RESIZING_NE: case META_GRAB_OP_KEYBOARD_RESIZING_SW: case META_GRAB_OP_KEYBOARD_RESIZING_NW: /* no pointer round trip here, to keep in sync */ update_resize (window, window->display->grab_latest_motion_x, window->display->grab_latest_motion_y, TRUE); break; default: break; } } #endif /* HAVE_XSYNC */ switch (event->type) { case ButtonRelease: if (meta_grab_op_is_moving (window->display->grab_op)) { if (event->xbutton.root == window->screen->xroot) update_move (window, event->xbutton.state, event->xbutton.x_root, event->xbutton.y_root); } else if (meta_grab_op_is_resizing (window->display->grab_op)) { if (event->xbutton.root == window->screen->xroot) update_resize (window, event->xbutton.x_root, event->xbutton.y_root, TRUE); } meta_display_end_grab_op (window->display, event->xbutton.time); break; case MotionNotify: if (meta_grab_op_is_moving (window->display->grab_op)) { if (event->xmotion.root == window->screen->xroot) { if (check_use_this_motion_notify (window, event)) update_move (window, event->xmotion.state, event->xmotion.x_root, event->xmotion.y_root); } } else if (meta_grab_op_is_resizing (window->display->grab_op)) { if (event->xmotion.root == window->screen->xroot) { if (check_use_this_motion_notify (window, event)) update_resize (window, event->xmotion.x_root, event->xmotion.y_root, FALSE); } } break; case EnterNotify: case LeaveNotify: if (meta_grab_op_is_moving (window->display->grab_op)) { if (event->xcrossing.root == window->screen->xroot) update_move (window, event->xcrossing.state, event->xcrossing.x_root, event->xcrossing.y_root); } else if (meta_grab_op_is_resizing (window->display->grab_op)) { if (event->xcrossing.root == window->screen->xroot) update_resize (window, event->xcrossing.x_root, event->xcrossing.y_root, FALSE); } break; default: break; } } gboolean meta_window_shares_some_workspace (MetaWindow *window, MetaWindow *with) { GList *tmp; if (window->on_all_workspaces || with->on_all_workspaces) return TRUE; tmp = window->workspaces; while (tmp != NULL) { if (g_list_find (with->workspaces, tmp->data) != NULL) return TRUE; tmp = tmp->next; } return FALSE; } void meta_window_set_gravity (MetaWindow *window, int gravity) { XSetWindowAttributes attrs; meta_verbose ("Setting gravity of %s to %d\n", window->desc, gravity); attrs.win_gravity = gravity; meta_error_trap_push (window->display); XChangeWindowAttributes (window->display->xdisplay, window->xwindow, CWWinGravity, &attrs); meta_error_trap_pop (window->display, FALSE); } static void get_work_area_xinerama (MetaWindow *window, MetaRectangle *area, int which_xinerama) { MetaRectangle space_area; GList *tmp; int left_strut; int right_strut; int top_strut; int bottom_strut; int xinerama_origin_x; int xinerama_origin_y; int xinerama_width; int xinerama_height; g_assert (which_xinerama >= 0); xinerama_origin_x = window->screen->xinerama_infos[which_xinerama].x_origin; xinerama_origin_y = window->screen->xinerama_infos[which_xinerama].y_origin; xinerama_width = window->screen->xinerama_infos[which_xinerama].width; xinerama_height = window->screen->xinerama_infos[which_xinerama].height; left_strut = 0; right_strut = 0; top_strut = 0; bottom_strut = 0; tmp = meta_window_get_workspaces (window); while (tmp != NULL) { meta_workspace_get_work_area_for_xinerama (tmp->data, which_xinerama, &space_area); left_strut = MAX (left_strut, space_area.x - xinerama_origin_x); right_strut = MAX (right_strut, (xinerama_width - (space_area.x - xinerama_origin_x) - space_area.width)); top_strut = MAX (top_strut, space_area.y - xinerama_origin_y); bottom_strut = MAX (bottom_strut, (xinerama_height - (space_area.y - xinerama_origin_y) - space_area.height)); tmp = tmp->next; } area->x = xinerama_origin_x + left_strut; area->y = xinerama_origin_y + top_strut; area->width = xinerama_width - left_strut - right_strut; area->height = xinerama_height - top_strut - bottom_strut; meta_topic (META_DEBUG_WORKAREA, "Window %s xinerama %d has work area %d,%d %d x %d\n", window->desc, which_xinerama, area->x, area->y, area->width, area->height); } void meta_window_get_work_area_current_xinerama (MetaWindow *window, MetaRectangle *area) { const MetaXineramaScreenInfo *xinerama = NULL; xinerama = meta_screen_get_xinerama_for_window (window->screen, window); meta_window_get_work_area_for_xinerama (window, xinerama->number, area); } void meta_window_get_work_area_for_xinerama (MetaWindow *window, int which_xinerama, MetaRectangle *area) { g_return_if_fail (which_xinerama >= 0); get_work_area_xinerama (window, area, which_xinerama); } void meta_window_get_work_area_all_xineramas (MetaWindow *window, MetaRectangle *area) { MetaRectangle space_area; GList *tmp; int left_strut; int right_strut; int top_strut; int bottom_strut; int screen_origin_x; int screen_origin_y; int screen_width; int screen_height; screen_origin_x = 0; screen_origin_y = 0; screen_width = window->screen->width; screen_height = window->screen->height; left_strut = 0; right_strut = 0; top_strut = 0; bottom_strut = 0; tmp = meta_window_get_workspaces (window); while (tmp != NULL) { meta_workspace_get_work_area_all_xineramas (tmp->data, &space_area); left_strut = MAX (left_strut, space_area.x - screen_origin_x); right_strut = MAX (right_strut, (screen_width - (space_area.x - screen_origin_x) - space_area.width)); top_strut = MAX (top_strut, space_area.y - screen_origin_y); bottom_strut = MAX (bottom_strut, (screen_height - (space_area.y - screen_origin_y) - space_area.height)); tmp = tmp->next; } area->x = screen_origin_x + left_strut; area->y = screen_origin_y + top_strut; area->width = screen_width - left_strut - right_strut; area->height = screen_height - top_strut - bottom_strut; meta_topic (META_DEBUG_WORKAREA, "Window %s has whole-screen work area %d,%d %d x %d\n", window->desc, area->x, area->y, area->width, area->height); } gboolean meta_window_same_application (MetaWindow *window, MetaWindow *other_window) { return meta_window_get_group (window) == meta_window_get_group (other_window); } void meta_window_refresh_resize_popup (MetaWindow *window) { if (window->display->grab_op == META_GRAB_OP_NONE) return; if (window->display->grab_window != window) return; /* FIXME for now we bail out when doing wireframe, because our * server grab keeps us from being able to redraw the stuff * underneath the resize popup. */ if (window->display->grab_wireframe_active) return; switch (window->display->grab_op) { case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_S: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_RESIZING_N: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_RESIZING_W: case META_GRAB_OP_RESIZING_E: case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN: case META_GRAB_OP_KEYBOARD_RESIZING_S: case META_GRAB_OP_KEYBOARD_RESIZING_N: case META_GRAB_OP_KEYBOARD_RESIZING_W: case META_GRAB_OP_KEYBOARD_RESIZING_E: case META_GRAB_OP_KEYBOARD_RESIZING_SE: case META_GRAB_OP_KEYBOARD_RESIZING_NE: case META_GRAB_OP_KEYBOARD_RESIZING_SW: case META_GRAB_OP_KEYBOARD_RESIZING_NW: break; default: /* Not resizing */ return; } if (window->display->grab_resize_popup == NULL) { if (window->size_hints.width_inc > 1 || window->size_hints.height_inc > 1) window->display->grab_resize_popup = meta_ui_resize_popup_new (window->display->xdisplay, window->screen->number); } if (window->display->grab_resize_popup != NULL) { int gravity; int x, y, width, height; MetaFrameGeometry fgeom; if (window->frame) meta_frame_calc_geometry (window->frame, &fgeom); else { fgeom.left_width = 0; fgeom.right_width = 0; fgeom.top_height = 0; fgeom.bottom_height = 0; } gravity = meta_resize_gravity_from_grab_op (window->display->grab_op); g_assert (gravity >= 0); if (window->display->grab_wireframe_active) { x = window->display->grab_wireframe_rect.x; y = window->display->grab_wireframe_rect.y; width = window->display->grab_wireframe_rect.width; height = window->display->grab_wireframe_rect.height; } else { meta_window_get_position (window, &x, &y); width = window->rect.width; height = window->rect.height; } meta_ui_resize_popup_set (window->display->grab_resize_popup, gravity, x, y, width, height, window->size_hints.base_width, window->size_hints.base_height, window->size_hints.min_width, window->size_hints.min_height, window->size_hints.width_inc, window->size_hints.height_inc, fgeom.left_width, fgeom.right_width, fgeom.top_height, fgeom.bottom_height); meta_ui_resize_popup_set_showing (window->display->grab_resize_popup, TRUE); } } void meta_window_foreach_transient (MetaWindow *window, MetaWindowForeachFunc func, void *data) { GSList *windows; GSList *tmp; windows = meta_display_list_windows (window->display); tmp = windows; while (tmp != NULL) { MetaWindow *transient = tmp->data; if (meta_window_is_ancestor_of_transient (window, transient)) { if (!(* func) (transient, data)) break; } tmp = tmp->next; } g_slist_free (windows); } void meta_window_foreach_ancestor (MetaWindow *window, MetaWindowForeachFunc func, void *data) { MetaWindow *w; MetaWindow *tortoise; w = window; tortoise = window; while (TRUE) { if (w->xtransient_for == None || w->transient_parent_is_root_window) break; w = meta_display_lookup_x_window (w->display, w->xtransient_for); if (w == NULL || w == tortoise) break; if (!(* func) (w, data)) break; if (w->xtransient_for == None || w->transient_parent_is_root_window) break; w = meta_display_lookup_x_window (w->display, w->xtransient_for); if (w == NULL || w == tortoise) break; if (!(* func) (w, data)) break; tortoise = meta_display_lookup_x_window (tortoise->display, tortoise->xtransient_for); /* "w" should have already covered all ground covered by the * tortoise, so the following must hold. */ g_assert (tortoise != NULL); g_assert (tortoise->xtransient_for != None); g_assert (!tortoise->transient_parent_is_root_window); } } typedef struct { MetaWindow *ancestor; gboolean found; } FindAncestorData; static gboolean find_ancestor_func (MetaWindow *window, void *data) { FindAncestorData *d = data; if (window == d->ancestor) { d->found = TRUE; return FALSE; } return TRUE; } gboolean meta_window_is_ancestor_of_transient (MetaWindow *window, MetaWindow *transient) { FindAncestorData d; d.ancestor = window; d.found = FALSE; meta_window_foreach_ancestor (transient, find_ancestor_func, &d); return d.found; } /* Warp pointer to location appropriate for grab, * return root coordinates where pointer ended up. */ static gboolean warp_grab_pointer (MetaWindow *window, MetaGrabOp grab_op, int *x, int *y) { MetaRectangle rect; /* We may not have done begin_grab_op yet, i.e. may not be in a grab */ if (window == window->display->grab_window && window->display->grab_wireframe_active) rect = window->display->grab_wireframe_rect; else { rect = window->rect; meta_window_get_position (window, &rect.x, &rect.y); } switch (grab_op) { case META_GRAB_OP_KEYBOARD_MOVING: case META_GRAB_OP_KEYBOARD_RESIZING_UNKNOWN: *x = rect.width / 2; *y = rect.height / 2; break; case META_GRAB_OP_KEYBOARD_RESIZING_S: *x = rect.width / 2; *y = rect.height; break; case META_GRAB_OP_KEYBOARD_RESIZING_N: *x = rect.width / 2; *y = 0; break; case META_GRAB_OP_KEYBOARD_RESIZING_W: *x = 0; *y = rect.height / 2; break; case META_GRAB_OP_KEYBOARD_RESIZING_E: *x = rect.width; *y = rect.height / 2; break; case META_GRAB_OP_KEYBOARD_RESIZING_SE: *x = rect.width; *y = rect.height; break; case META_GRAB_OP_KEYBOARD_RESIZING_NE: *x = rect.width; *y = 0; break; case META_GRAB_OP_KEYBOARD_RESIZING_SW: *x = 0; *y = rect.height; break; case META_GRAB_OP_KEYBOARD_RESIZING_NW: *x = 0; *y = 0; break; default: return FALSE; } *x += rect.x; *y += rect.y; meta_error_trap_push_with_return (window->display); meta_topic (META_DEBUG_WINDOW_OPS, "Warping pointer to %d,%d with window at %d,%d\n", *x, *y, rect.x, rect.y); XWarpPointer (window->display->xdisplay, None, window->screen->xroot, 0, 0, 0, 0, *x, *y); if (meta_error_trap_pop_with_return (window->display, FALSE) != Success) { meta_verbose ("Failed to warp pointer for window %s\n", window->desc); return FALSE; } return TRUE; } void meta_window_begin_grab_op (MetaWindow *window, MetaGrabOp op, Time timestamp) { int x, y; gulong grab_start_serial; grab_start_serial = XNextRequest (window->display->xdisplay); meta_window_raise (window); warp_grab_pointer (window, op, &x, &y); meta_display_begin_grab_op (window->display, window->screen, window, op, FALSE, grab_start_serial /* event_serial */, 0 /* button */, 0, timestamp, x, y); /* We override the one set in display_begin_grab_op since we * did additional stuff as part of the grabbing process */ window->display->grab_start_serial = grab_start_serial; } void meta_window_update_keyboard_resize (MetaWindow *window, gboolean update_cursor) { int x, y; warp_grab_pointer (window, window->display->grab_op, &x, &y); { /* As we warped the pointer, we have to reset the anchor state, * since if the mouse moves we want to use those events to do the * right thing. Also, this means that the motion notify * from the pointer warp comes back as a no-op. */ int dx, dy; dx = x - window->display->grab_anchor_root_x; dy = y - window->display->grab_anchor_root_y; window->display->grab_anchor_root_x += dx; window->display->grab_anchor_root_y += dy; if (window->display->grab_wireframe_active) { window->display->grab_anchor_window_pos = window->display->grab_wireframe_rect; } else { window->display->grab_anchor_window_pos = window->rect; meta_window_get_position (window, &window->display->grab_anchor_window_pos.x, &window->display->grab_anchor_window_pos.y); } } if (update_cursor) { meta_display_set_grab_op_cursor (window->display, NULL, window->display->grab_op, TRUE, window->display->grab_xwindow, meta_display_get_current_time (window->display)); } } void meta_window_update_keyboard_move (MetaWindow *window) { int x, y; warp_grab_pointer (window, window->display->grab_op, &x, &y); } void meta_window_update_layer (MetaWindow *window) { MetaGroup *group; meta_stack_freeze (window->screen->stack); group = meta_window_get_group (window); if (group) meta_group_update_layers (group); else meta_stack_update_layer (window->screen->stack, window); meta_stack_thaw (window->screen->stack); } /* ensure_mru_position_after ensures that window appears after * below_this_one in the active_workspace's mru_list (i.e. it treats * window as having been less recently used than below_this_one) */ static void ensure_mru_position_after (MetaWindow *window, MetaWindow *after_this_one) { /* This is sort of slow since it runs through the entire list more * than once (especially considering the fact that we expect the * windows of interest to be the first two elements in the list), * but it doesn't matter while we're only using it on new window * map. */ GList* active_mru_list; GList* window_position; GList* after_this_one_position; active_mru_list = window->screen->active_workspace->mru_list; window_position = g_list_find (active_mru_list, window); after_this_one_position = g_list_find (active_mru_list, after_this_one); /* after_this_one_position is NULL when we switch workspaces, but in * that case we don't need to do any MRU shuffling so we can simply * return. */ if (after_this_one_position == NULL) return; if (g_list_length (window_position) > g_list_length (after_this_one_position)) { window->screen->active_workspace->mru_list = g_list_delete_link (window->screen->active_workspace->mru_list, window_position); window->screen->active_workspace->mru_list = g_list_insert_before (window->screen->active_workspace->mru_list, after_this_one_position->next, window); } } void meta_window_stack_just_below (MetaWindow *window, MetaWindow *below_this_one) { g_return_if_fail (window != NULL); g_return_if_fail (below_this_one != NULL); if (window->stack_position > below_this_one->stack_position) { meta_topic (META_DEBUG_STACK, "Setting stack position of window %s to %d (making it below window %s).\n", window->desc, below_this_one->stack_position, below_this_one->desc); meta_window_set_stack_position (window, below_this_one->stack_position); } else { meta_topic (META_DEBUG_STACK, "Window %s was already below window %s.\n", window->desc, below_this_one->desc); } }