/* Metacity X managed windows */ /* * Copyright (C) 2001 Havoc Pennington, Anders Carlsson * * 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 typedef enum { META_IS_CONFIGURE_REQUEST = 1 << 0, META_DO_GRAVITY_ADJUST = 1 << 1, META_USER_MOVE_RESIZE = 1 << 2 } MetaMoveResizeFlags; typedef enum { WIN_HINTS_SKIP_FOCUS = (1<<0), /* "alt-tab" skips this win */ WIN_HINTS_SKIP_WINLIST = (1<<1), /* not in win list */ WIN_HINTS_SKIP_TASKBAR = (1<<2), /* not on taskbar */ WIN_HINTS_GROUP_TRANSIENT = (1<<3), /* ??????? */ WIN_HINTS_FOCUS_ON_CLICK = (1<<4), /* app only accepts focus when clicked */ WIN_HINTS_DO_NOT_COVER = (1<<5) /* attempt to not cover this window */ } GnomeWinHints; static int destroying_windows_disallowed = 0; static void constrain_size (MetaWindow *window, MetaFrameGeometry *fgeom, int width, int height, int *new_width, int *new_height); static void constrain_position (MetaWindow *window, MetaFrameGeometry *fgeom, int x, int y, int *new_x, int *new_y); static int update_size_hints (MetaWindow *window); static int update_title (MetaWindow *window); static int update_protocols (MetaWindow *window); static int update_wm_hints (MetaWindow *window); static void update_net_wm_state (MetaWindow *window); static void update_mwm_hints (MetaWindow *window); static int update_wm_class (MetaWindow *window); static int 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 int update_initial_workspace (MetaWindow *window); static int update_icon_name (MetaWindow *window); static int update_icon (MetaWindow *window); static void redraw_icon (MetaWindow *window); static void update_struts (MetaWindow *window); static void recalc_window_type (MetaWindow *window); static void recalc_window_features (MetaWindow *window); static void recalc_do_not_cover_struts(MetaWindow *window); static void invalidate_work_areas (MetaWindow *window); static int set_wm_state (MetaWindow *window, int state); static int 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 GList* meta_window_get_workspaces (MetaWindow *window); static gboolean meta_window_get_icon_geometry (MetaWindow *window, MetaRectangle *rect); static void adjust_for_gravity (MetaWindow *window, MetaFrameGeometry *fgeom, gboolean coords_assume_border, int x, int y, int *xp, int *yp); 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); void meta_window_move_resize_now (MetaWindow *window); static char* get_text_property (MetaDisplay *display, Window xwindow, Atom atom); 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_apply_session_info (MetaWindow *window, const MetaWindowSessionInfo *info); 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"; } MetaWindow* meta_window_new (MetaDisplay *display, Window xwindow, gboolean must_be_viewable) { MetaWindow *window; XWindowAttributes attrs; GSList *tmp; MetaWorkspace *space; gulong existing_wm_state; char *str; unsigned long cardinal; 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; } /* Grab server */ meta_display_grab (display); meta_error_trap_push (display); XGetWindowAttributes (display->xdisplay, xwindow, &attrs); if (meta_error_trap_pop (display)) { meta_verbose ("Failed to get attributes for window 0x%lx\n", xwindow); meta_display_ungrab (display); return NULL; } if (attrs.override_redirect) { meta_verbose ("Deciding not to manage override_redirect window 0x%lx\n", xwindow); meta_display_ungrab (display); return NULL; } 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_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 (display); XAddToSaveSet (display->xdisplay, xwindow); XSelectInput (display->xdisplay, xwindow, PropertyChangeMask | EnterWindowMask | LeaveWindowMask | FocusChangeMask); /* 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 (display) != Success) { meta_verbose ("Window 0x%lx disappeared just as we tried to manage it\n", xwindow); 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; 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); /* avoid tons of stack updates */ meta_stack_freeze (window->screen->stack); /* 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; window->size_hints.flags = 0; /* 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; /* 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->desc = g_strdup_printf ("0x%lx", window->xwindow); window->frame = NULL; window->has_focus = FALSE; window->user_has_move_resized = FALSE; window->maximized = 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->calc_placement = FALSE; window->unmaps_pending = 0; window->mwm_decorated = TRUE; 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->wm_state_modal = FALSE; window->wm_state_skip_taskbar = FALSE; window->wm_state_skip_pager = FALSE; window->res_class = NULL; window->res_name = NULL; window->role = NULL; window->sm_client_id = NULL; window->wm_client_machine = NULL; window->net_wm_pid = -1; window->xtransient_for = None; window->xgroup_leader = None; window->xclient_leader = None; window->type = META_WINDOW_NORMAL; window->type_atom = None; window->has_struts = FALSE; window->do_not_cover = FALSE; window->left_strut = 0; window->right_strut = 0; window->top_strut = 0; window->bottom_strut = 0; window->layer = META_LAYER_NORMAL; window->stack_op = NULL; window->initial_workspace = 0; /* not used */ meta_display_register_x_window (display, &window->xwindow, window); if (meta_prop_get_latin1_string (window->display, window->xwindow, window->display->atom_wm_client_machine, &str)) { window->wm_client_machine = g_strdup (str); meta_XFree (str); meta_verbose ("Window has client machine \"%s\"\n", window->wm_client_machine); } if (meta_prop_get_cardinal (window->display, window->xwindow, window->display->atom_net_wm_pid, &cardinal)) { if (cardinal <= 0) meta_warning (_("Application set a bogus _NET_WM_PID %ld\n"), cardinal); else { window->net_wm_pid = cardinal; meta_verbose ("Window has _NET_WM_PID %d\n", window->net_wm_pid); } } update_size_hints (window); update_title (window); update_protocols (window); update_wm_hints (window); update_struts (window); 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); update_initial_workspace (window); update_icon_name (window); update_icon (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; } /* 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->xwindow); /* 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); meta_workspace_add_window (window->screen->active_workspace, window); window->on_all_workspaces = TRUE; } else { meta_topic (META_DEBUG_PLACEMENT, "Window %s is initially on space %d\n", window->desc, window->initial_workspace); space = meta_display_get_workspace_by_screen_index (window->display, 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) { 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); } 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 */ window->on_all_workspaces = TRUE; } /* for the various on_all_workspaces = TRUE possible above */ meta_window_set_current_workspace_hint (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); /* add to MRU list */ window->display->mru_list = g_list_append (window->display->mru_list, window); 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 */ if (window->display->showing_desktop && window->type != META_WINDOW_DESKTOP && window->type != META_WINDOW_DOCK) meta_display_unshow_desktop (window->display); meta_window_queue_calc_showing (window); meta_display_ungrab (display); return window; } /* This function should only be called from the end of meta_window_new () */ static void meta_window_apply_session_info (MetaWindow *window, const MetaWindowSessionInfo *info) { 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_display_get_workspace_by_screen_index (window->display, 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_screen_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 (destroying_windows_disallowed > 0) meta_bug ("Tried to destroy window %s while destruction was not allowed\n", window->desc); window->unmanaging = TRUE; /* 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 top window since we're unmanaging %s\n", window->desc); meta_screen_focus_top_window (window->screen, window); } else { meta_topic (META_DEBUG_FOCUS, "Unmanaging window %s which doesn't currently have focus\n", window->desc); } if (window->has_struts) { 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; window->display->mru_list = g_list_remove (window->display->mru_list, window); meta_window_unqueue_calc_showing (window); meta_window_unqueue_move_resize (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); meta_stack_remove (window->screen->stack, window); /* FIXME restore original size if window has maximized */ 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); } 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); } } if (window->frame) meta_window_destroy_frame (window); meta_window_ungrab_keys (window); meta_display_ungrab_window_buttons (window->display, window->xwindow); meta_display_ungrab_focus_window_button (window->display, window->xwindow); 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); meta_error_trap_pop (window->display); 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->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 int 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); /* twm sets the icon window as data[1], I couldn't find that in * ICCCM. */ 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); return meta_error_trap_pop (window->display); } static int set_net_wm_state (MetaWindow *window) { int i; unsigned long data[10]; 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->wm_state_skip_pager) { data[i] = window->display->atom_net_wm_state_skip_pager; ++i; } if (window->wm_state_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; } 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); return meta_error_trap_pop (window->display); } gboolean meta_window_visible_on_workspace (MetaWindow *window, MetaWorkspace *workspace) { return window->on_all_workspaces || meta_workspace_contains_window (workspace, window); } void meta_window_calc_showing (MetaWindow *window) { gboolean showing, on_workspace; meta_verbose ("Calc 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 */ if (showing && window->display->showing_desktop && window->type != META_WINDOW_DESKTOP && window->type != META_WINDOW_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) { MetaWindow *w; w = window; while (w != NULL) { if (w->minimized) { showing = FALSE; break; } if (w->xtransient_for == None) break; w = meta_display_lookup_x_window (w->display, w->xtransient_for); if (w == window) break; /* Cute, someone thought they'd make a transient_for cycle */ /* w may be null... */ } } /* Actually show/hide the window */ if (!showing) { /* 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) { 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); } } 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; 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; /* sort them from bottom to top, so we map the * bottom windows first, so that placement (e.g. cascading) * works properly */ copy = g_slist_sort (copy, stackcmp); tmp = copy; while (tmp != NULL) { MetaWindow *window; window = tmp->data; meta_window_calc_showing (window); /* 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); 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); } void meta_window_show (MetaWindow *window) { gboolean did_placement; gboolean did_show; 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; 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); } 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); 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)); } } /* Always focus new windows in click-to-focus */ if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK && (window->input || window->take_focus)) { 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: /* Focus only if the current focus is on a desktop element * or nonexistent. * * (using display->focus_window is a bit of a race condition, * but I have no idea how to avoid it) */ if (window->display->focus_window == NULL || (window->display->focus_window && (window->display->focus_window->type == META_WINDOW_DOCK || window->display->focus_window->type == META_WINDOW_DESKTOP))) meta_window_focus (window, meta_display_get_current_time (window->display)); break; case META_WINDOW_DIALOG: case META_WINDOW_MODAL_DIALOG: /* Focus only if the transient parent has focus */ /* (using display->focus_window is a bit of a race condition, * but I have no idea how to avoid it) */ if (window->display->focus_window == NULL || (window->display->focus_window && meta_window_is_ancestor_of_transient (window->display->focus_window, window)) || (window->display->focus_window->type == META_WINDOW_DOCK || window->display->focus_window->type == META_WINDOW_DESKTOP)) meta_window_focus (window, meta_display_get_current_time (window->display)); break; } } } if (did_show) { set_net_wm_state (window); if (window->has_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); did_hide = TRUE; } if (!window->iconic) { window->iconic = TRUE; set_wm_state (window, IconicState); } if (did_hide) { set_net_wm_state (window); if (window->has_struts) { meta_topic (META_DEBUG_WORKAREA, "Unmapped window %s with struts, so invalidating work areas\n", window->desc); invalidate_work_areas (window); } } } static void queue_calc_showing_func (MetaWindow *window, void *data) { meta_window_queue_calc_showing (window); } 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 top window due to minimization of focus window %s\n", window->desc); meta_screen_focus_top_window (window->screen, window); } 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->display->showing_desktop) meta_display_unshow_desktop (window->display); if (window->minimized) { window->minimized = FALSE; meta_window_queue_calc_showing (window); meta_window_foreach_transient (window, queue_calc_showing_func, NULL); } } void meta_window_maximize (MetaWindow *window) { if (!window->maximized) { meta_topic (META_DEBUG_WINDOW_OPS, "Maximizing %s\n", window->desc); window->maximized = TRUE; /* FIXME why did I put this here? */ meta_window_raise (window); /* 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; } /* move_resize with new maximization constraints */ meta_window_queue_move_resize (window); set_net_wm_state (window); } } void meta_window_unmaximize (MetaWindow *window) { if (window->maximized) { meta_topic (META_DEBUG_WINDOW_OPS, "Unmaximizing %s\n", window->desc); window->maximized = FALSE; meta_window_move_resize (window, TRUE, window->saved_rect.x, window->saved_rect.y, window->saved_rect.width, window->saved_rect.height); 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); window->fullscreen = TRUE; /* FIXME why did I put this here? */ meta_window_raise (window); /* 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; } /* move_resize with new constraints */ meta_window_queue_move_resize (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_move_resize (window, TRUE, window->saved_rect.x, window->saved_rect.y, window->saved_rect.width, window->saved_rect.height); 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 (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); } 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 void unminimize_window_and_all_transient_parents (MetaWindow *window) { MetaWindow *w; w = window; while (w != NULL) { meta_window_unminimize (w); if (w->xtransient_for == None) break; w = meta_display_lookup_x_window (w->display, w->xtransient_for); if (w == window) break; /* Cute, someone thought they'd make a transient_for cycle */ /* w may be null... */ } } void meta_window_activate (MetaWindow *window, guint32 timestamp) { /* disable show desktop mode unless we're a desktop component */ if (window->display->showing_desktop && window->type != META_WINDOW_DESKTOP && window->type != META_WINDOW_DOCK) meta_display_unshow_desktop (window->display); /* 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 */ static void adjust_for_gravity (MetaWindow *window, MetaFrameGeometry *fgeom, gboolean coords_assume_border, int x, int y, 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 + window->rect.width + fgeom->right_width; frame_height = child_y + window->rect.height + fgeom->bottom_height; } else { child_x = 0; child_y = 0; frame_width = window->rect.width; frame_height = window->rect.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 + window->rect.width / 2 + bw; ref_y = y; break; case NorthEastGravity: ref_x = x + window->rect.width + bw * 2; ref_y = y; break; case WestGravity: ref_x = x; ref_y = y + window->rect.height / 2 + bw; break; case CenterGravity: ref_x = x + window->rect.width / 2 + bw; ref_y = y + window->rect.height / 2 + bw; break; case EastGravity: ref_x = x + window->rect.width + bw * 2; ref_y = y + window->rect.height / 2 + bw; break; case SouthWestGravity: ref_x = x; ref_y = y + window->rect.height + bw * 2; break; case SouthGravity: ref_x = x + window->rect.width / 2 + bw; ref_y = y + window->rect.height + bw * 2; break; case SouthEastGravity: ref_x = x + window->rect.width + bw * 2; ref_y = y + window->rect.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 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 size_dx; int size_dy; int frame_size_dx; int frame_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; 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); { int oldx, oldy; meta_window_get_position (window, &oldx, &oldy); 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)" : "", oldx, oldy, window->rect.width, window->rect.height); } if (window->frame) meta_frame_calc_geometry (window->frame, &fgeom); constrain_size (window, &fgeom, w, h, &w, &h); meta_topic (META_DEBUG_GEOMETRY, "Constrained resize of %s to %d x %d\n", window->desc, w, h); if (w != window->rect.width || h != window->rect.height) need_resize_client = TRUE; size_dx = w - window->rect.width; size_dy = h - window->rect.height; 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; } 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, &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); } /* There can be somewhat bogus interactions between gravity * and the position constraints (with position contraints * basically breaking gravity). Not sure how to fix this. */ switch (resize_gravity) { /* If client is staying fixed on the east during resize, then we * have to move the west edge. */ case NorthEastGravity: case EastGravity: case SouthEastGravity: root_x_nw -= size_dx; break; /* centered horizontally */ case NorthGravity: case SouthGravity: case CenterGravity: root_x_nw -= size_dx / 2; break; default: break; } switch (resize_gravity) { /* If client is staying fixed on the south during resize, * we have to move the north edge */ case SouthGravity: case SouthEastGravity: case SouthWestGravity: root_y_nw -= size_dy; break; /* centered vertically */ case EastGravity: case WestGravity: case CenterGravity: root_y_nw -= size_dy / 2; break; default: break; } /* 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. */ constrain_position (window, window->frame ? &fgeom : NULL, root_x_nw, root_y_nw, &root_x_nw, &root_y_nw); meta_topic (META_DEBUG_GEOMETRY, "Constrained position to %d,%d\n", root_x_nw, root_y_nw); 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; } /* Fill in other frame member variables */ 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; } /* 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 */ if (use_static_gravity) { if ((size_dx + size_dy) >= 0) configure_frame_first = FALSE; else configure_frame_first = TRUE; } else { configure_frame_first = FALSE; } 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); XConfigureWindow (window->display->xdisplay, window->xwindow, mask, &values); meta_error_trap_pop (window->display); } 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"); } /* Update struts for new window size */ if (window->do_not_cover && (need_resize_client || need_move_client)) { recalc_do_not_cover_struts (window); /* Does a resize on all windows on entire current workspace, * would be an infinite loop except for need_resize_client * above. We rely on reaching an equilibrium state, which * is somewhat fragile, though. */ meta_topic (META_DEBUG_WORKAREA, "Window %s resized so invalidating its work areas\n", window->desc); invalidate_work_areas (window); } 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 guint move_resize_idle = 0; static GSList *move_resize_pending = NULL; /* We want to put windows whose size/pos affects other * windows earlier in the queue, for efficiency. */ static int move_resize_cmp (gconstpointer a, gconstpointer b) { MetaWindow *aw = (gpointer) a; MetaWindow *bw = (gpointer) b; if (aw->do_not_cover && !bw->do_not_cover) return -1; /* aw before bw */ else if (!aw->do_not_cover && bw->do_not_cover) return 1; else return 0; } 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; copy = g_slist_sort (copy, move_resize_cmp); 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 (idle_move_resize, 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_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, CurrentTime); } } 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); } 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); } meta_error_trap_pop (window->display); } } void meta_window_change_workspace (MetaWindow *window, MetaWorkspace *workspace) { meta_verbose ("Changing window %s to workspace %d\n", window->desc, meta_workspace_index (workspace)); /* See if we're already on this space */ if (g_list_find (window->workspaces, workspace) != NULL) { meta_verbose ("%s already on this workspace\n", window->desc); return; } /* Add first, to maintain invariant that we're always * on some workspace. */ meta_workspace_add_window (workspace, window); /* unstick if stuck */ if (window->on_all_workspaces) window->on_all_workspaces = FALSE; /* Lamely rely on prepend */ g_assert (window->workspaces->data == workspace); /* Remove from all other spaces */ while (window->workspaces->next) /* while list size > 1 */ meta_workspace_remove_window (window->workspaces->next->data, window); } void meta_window_stick (MetaWindow *window) { 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; meta_window_set_current_workspace_hint (window); meta_window_queue_calc_showing (window); } void meta_window_unstick (MetaWindow *window) { if (!window->on_all_workspaces) return; /* Revert to window->workspaces */ window->on_all_workspaces = FALSE; /* 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_screen_index (window->workspaces->data); } int 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 Success; } 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); return meta_error_trap_pop (window->display); } 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); } gboolean meta_window_configure_request (MetaWindow *window, XEvent *event) { int x, y, width, height; gboolean only_resize; gboolean allow_position_change; /* 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 (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 (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 gboolean meta_window_client_message (MetaWindow *window, XEvent *event) { MetaDisplay *display; display = window->display; if (event->xclient.message_type == display->atom_net_close_window) { /* I think the wm spec should maybe put a time * in this message, CurrentTime here is sort of * bogus. But it rarely matters most likely. */ meta_window_delete (window, meta_display_get_current_time (window->display)); 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 screen workspace %d\n", window->desc, space); workspace = meta_display_get_workspace_by_screen_index (display, 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); } 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 (display); str1 = XGetAtomName (display->xdisplay, first); if (meta_error_trap_pop (display)) str1 = NULL; meta_error_trap_push (display); str2 = XGetAtomName (display->xdisplay, second); if (meta_error_trap_pop (display)) 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->wm_state_skip_pager); 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->wm_state_skip_taskbar); 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); return TRUE; } else if (event->xclient.message_type == display->atom_net_wm_moveresize) { int x_root; int y_root; int action; MetaGrabOp op; x_root = event->xclient.data.l[0]; y_root = event->xclient.data.l[1]; action = event->xclient.data.l[2]; meta_topic (META_DEBUG_WINDOW_OPS, "Received _NET_WM_MOVERESIZE message on %s, %d,%d action = %d\n", window->desc, x_root, y_root, action); 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; default: break; } if (op != META_GRAB_OP_NONE && ((window->has_move_func && op == META_GRAB_OP_MOVING) || (window->has_resize_func && op != META_GRAB_OP_MOVING))) { int x, y, query_root_x, query_root_y; Window root, child; guint mask; int button; /* 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); 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, op, FALSE, 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); meta_window_activate (window, meta_display_get_current_time (window->display)); return TRUE; } else if (event->xclient.message_type == display->atom_win_hints) { /* gnome-winhints.c seems to indicate that the hints are * in l[1], though god knows why it's like that */ gulong data[1]; meta_verbose ("_WIN_HINTS client message, hints: %ld\n", event->xclient.data.l[1]); if (event->xclient.data.l[1] & WIN_HINTS_DO_NOT_COVER) { meta_topic (META_DEBUG_WORKAREA, "Setting WIN_HINTS_DO_NOT_COVER\n"); data[0] = WIN_HINTS_DO_NOT_COVER; meta_error_trap_push (window->display); XChangeProperty (window->display->xdisplay, window->xwindow, window->display->atom_win_hints, XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1); meta_error_trap_pop (window->display); } else { meta_topic (META_DEBUG_WORKAREA, "Unsetting WIN_HINTS_DO_NOT_COVER\n"); data[0] = 0; meta_error_trap_push (window->display); XDeleteProperty (window->display->xdisplay, window->xwindow, window->display->atom_win_hints); meta_error_trap_pop (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"); 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 MRU list */ window->display->mru_list = g_list_remove (window->display->mru_list, window); window->display->mru_list = g_list_prepend (window->display->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); } } 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->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); } } /* 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) { if (event->atom == XA_WM_NAME || event->atom == window->display->atom_net_wm_name) { meta_verbose ("Property notify on %s for WM_NAME or NET_WM_NAME\n", window->desc); update_title (window); } else if (event->atom == XA_WM_NORMAL_HINTS) { meta_verbose ("Property notify on %s for WM_NORMAL_HINTS\n", window->desc); update_size_hints (window); /* 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); update_protocols (window); meta_window_queue_move_resize (window); } else if (event->atom == XA_WM_HINTS) { meta_verbose ("Property notify on %s for WM_HINTS\n", window->desc); meta_icon_cache_property_changed (&window->icon_cache, window->display, event->atom); update_wm_hints (window); update_icon (window); redraw_icon (window); meta_window_queue_move_resize (window); } 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); } 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 || /* update_net_wm_type falls back to this */ event->atom == window->display->atom_win_layer) { meta_verbose ("Property notify on %s for NET_WM_WINDOW_TYPE or WIN_LAYER\n", window->desc); update_net_wm_type (window); } else if (event->atom == window->display->atom_net_wm_icon_name || event->atom == XA_WM_ICON_NAME) { meta_verbose ("Property notify on %s for NET_WM_ICON_NAME or WM_ICON_NAME\n", window->desc); update_icon_name (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); update_icon (window); redraw_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); update_icon (window); redraw_icon (window); } else if (event->atom == window->display->atom_net_wm_strut) { meta_verbose ("Property notify on %s for _NET_WM_STRUT\n", window->desc); update_struts (window); } else if (event->atom == window->display->atom_win_hints) { meta_verbose ("Property notify on %s for _WIN_HINTS\n", window->desc); update_struts (window); } 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); } #define FLAG_TOGGLED_ON(old,new,flag) \ (((old)->flags & (flag)) == 0 && \ ((new)->flags & (flag)) != 0) #define FLAG_TOGGLED_OFF(old,new,flag) \ (((old)->flags & (flag)) != 0 && \ ((new)->flags & (flag)) == 0) #define FLAG_CHANGED(old,new,flag) \ (FLAG_TOGGLED_ON(old,new,flag) || FLAG_TOGGLED_OFF(old,new,flag)) static void spew_size_hints_differences (const XSizeHints *old, const XSizeHints *new) { if (FLAG_CHANGED (old, new, USPosition)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: USPosition now %s\n", FLAG_TOGGLED_ON (old, new, USPosition) ? "set" : "unset"); if (FLAG_CHANGED (old, new, USSize)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: USSize now %s\n", FLAG_TOGGLED_ON (old, new, USSize) ? "set" : "unset"); if (FLAG_CHANGED (old, new, PPosition)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PPosition now %s\n", FLAG_TOGGLED_ON (old, new, PPosition) ? "set" : "unset"); if (FLAG_CHANGED (old, new, PSize)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PSize now %s\n", FLAG_TOGGLED_ON (old, new, PSize) ? "set" : "unset"); if (FLAG_CHANGED (old, new, PMinSize)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PMinSize now %s (%d x %d -> %d x %d)\n", FLAG_TOGGLED_ON (old, new, PMinSize) ? "set" : "unset", old->min_width, old->min_height, new->min_width, new->min_height); if (FLAG_CHANGED (old, new, PMaxSize)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PMaxSize now %s (%d x %d -> %d x %d)\n", FLAG_TOGGLED_ON (old, new, PMaxSize) ? "set" : "unset", old->max_width, old->max_height, new->max_width, new->max_height); if (FLAG_CHANGED (old, new, PResizeInc)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PResizeInc now %s (width_inc %d -> %d height_inc %d -> %d)\n", FLAG_TOGGLED_ON (old, new, PResizeInc) ? "set" : "unset", old->width_inc, new->width_inc, old->height_inc, new->height_inc); if (FLAG_CHANGED (old, new, PAspect)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PAspect now %s (min %d/%d -> %d/%d max %d/%d -> %d/%d)\n", FLAG_TOGGLED_ON (old, new, PAspect) ? "set" : "unset", old->min_aspect.x, old->min_aspect.y, new->min_aspect.x, new->min_aspect.y, old->max_aspect.x, old->max_aspect.y, new->max_aspect.x, new->max_aspect.y); if (FLAG_CHANGED (old, new, PBaseSize)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PBaseSize now %s (%d x %d -> %d x %d)\n", FLAG_TOGGLED_ON (old, new, PBaseSize) ? "set" : "unset", old->base_width, old->base_height, new->base_width, new->base_height); if (FLAG_CHANGED (old, new, PWinGravity)) meta_topic (META_DEBUG_GEOMETRY, "XSizeHints: PWinGravity now %s (%d -> %d)\n", FLAG_TOGGLED_ON (old, new, PWinGravity) ? "set" : "unset", old->win_gravity, new->win_gravity); } static int update_size_hints (MetaWindow *window) { int x, y, w, h; gulong supplied; XSizeHints old_hints; meta_topic (META_DEBUG_GEOMETRY, "Updating WM_NORMAL_HINTS for %s\n", window->desc); old_hints = window->size_hints; /* Save the last ConfigureRequest, which we put here. * Values here set in the hints are supposed to * be ignored. */ x = window->size_hints.x; y = window->size_hints.y; w = window->size_hints.width; h = window->size_hints.height; window->size_hints.flags = 0; supplied = 0; meta_error_trap_push (window->display); XGetWMNormalHints (window->display->xdisplay, window->xwindow, &window->size_hints, &supplied); /* as far as I can tell, "supplied" is just * to check whether we had old-style normal hints * without gravity, base size as returned by * XGetNormalHints() */ /* Put it back. */ window->size_hints.x = x; window->size_hints.y = y; window->size_hints.width = w; window->size_hints.height = h; if (window->size_hints.flags & PBaseSize) { meta_topic (META_DEBUG_GEOMETRY, "Window %s sets base size %d x %d\n", window->desc, window->size_hints.base_width, window->size_hints.base_height); } else if (window->size_hints.flags & PMinSize) { window->size_hints.base_width = window->size_hints.min_width; window->size_hints.base_height = window->size_hints.min_height; } else { window->size_hints.base_width = 0; window->size_hints.base_height = 0; } window->size_hints.flags |= PBaseSize; if (window->size_hints.flags & PMinSize) { meta_topic (META_DEBUG_GEOMETRY, "Window %s sets min size %d x %d\n", window->desc, window->size_hints.min_width, window->size_hints.min_height); } else if (window->size_hints.flags & PBaseSize) { window->size_hints.min_width = window->size_hints.base_width; window->size_hints.min_height = window->size_hints.base_height; } else { window->size_hints.min_width = 0; window->size_hints.min_height = 0; } window->size_hints.flags |= PMinSize; if (window->size_hints.flags & PMaxSize) { meta_topic (META_DEBUG_GEOMETRY, "Window %s sets max size %d x %d\n", window->desc, window->size_hints.max_width, window->size_hints.max_height); } else { window->size_hints.max_width = G_MAXINT; window->size_hints.max_height = G_MAXINT; window->size_hints.flags |= PMaxSize; } if (window->size_hints.max_width < window->size_hints.min_width) { /* someone is on crack */ meta_topic (META_DEBUG_GEOMETRY, "Window %s sets max width %d less than min width %d, disabling resize\n", window->desc, window->size_hints.max_width, window->size_hints.min_width); window->size_hints.max_width = window->size_hints.min_width; } if (window->size_hints.max_height < window->size_hints.min_height) { /* another cracksmoker */ meta_topic (META_DEBUG_GEOMETRY, "Window %s sets max height %d less than min height %d, disabling resize\n", window->desc, window->size_hints.max_height, window->size_hints.min_height); window->size_hints.max_height = window->size_hints.min_height; } if (window->size_hints.flags & PResizeInc) { meta_topic (META_DEBUG_GEOMETRY, "Window %s sets resize width inc: %d height inc: %d\n", window->desc, window->size_hints.width_inc, window->size_hints.height_inc); if (window->size_hints.width_inc == 0) { window->size_hints.width_inc = 1; meta_topic (META_DEBUG_GEOMETRY, "Corrected 0 width_inc to 1\n"); } if (window->size_hints.height_inc == 0) { window->size_hints.height_inc = 1; meta_topic (META_DEBUG_GEOMETRY, "Corrected 0 height_inc to 1\n"); } } else { window->size_hints.width_inc = 1; window->size_hints.height_inc = 1; window->size_hints.flags |= PResizeInc; } if (window->size_hints.flags & PAspect) { meta_topic (META_DEBUG_GEOMETRY, "Window %s sets min_aspect: %d/%d max_aspect: %d/%d\n", window->desc, window->size_hints.min_aspect.x, window->size_hints.min_aspect.y, window->size_hints.max_aspect.x, window->size_hints.max_aspect.y); /* don't divide by 0 */ if (window->size_hints.min_aspect.y < 1) window->size_hints.min_aspect.y = 1; if (window->size_hints.max_aspect.y < 1) window->size_hints.max_aspect.y = 1; } else { window->size_hints.min_aspect.x = 1; window->size_hints.min_aspect.y = G_MAXINT; window->size_hints.max_aspect.x = G_MAXINT; window->size_hints.max_aspect.y = 1; window->size_hints.flags |= PAspect; } if (window->size_hints.flags & PWinGravity) { meta_topic (META_DEBUG_GEOMETRY, "Window %s sets gravity %d\n", window->desc, window->size_hints.win_gravity); } else { meta_topic (META_DEBUG_GEOMETRY, "Window %s doesn't set gravity, using NW\n", window->desc); window->size_hints.win_gravity = NorthWestGravity; window->size_hints.flags |= PWinGravity; } recalc_window_features (window); spew_size_hints_differences (&old_hints, &window->size_hints); return meta_error_trap_pop (window->display); } static int update_title (MetaWindow *window) { char *str; meta_error_trap_push (window->display); if (window->title) { g_free (window->title); window->title = NULL; } str = NULL; meta_prop_get_utf8_string (window->display, window->xwindow, window->display->atom_net_wm_name, &str); window->title = g_strdup (str); meta_XFree (str); if (window->title) { meta_verbose ("Using _NET_WM_NAME for new title of %s: '%s'\n", window->desc, window->title); } if (window->title == NULL) { window->title = get_text_property (window->display, window->xwindow, XA_WM_NAME); if (window->title) { meta_verbose ("Using WM_NAME for new title of %s: '%s'\n", window->desc, window->title); } } if (window->title == NULL) window->title = g_strdup (""); /* strndup is a hack since GNU libc has broken %.10s */ str = g_strndup (window->title, 10); g_free (window->desc); window->desc = g_strdup_printf ("0x%lx (%s)", window->xwindow, str); g_free (str); if (window->frame) meta_ui_set_frame_title (window->screen->ui, window->frame->xwindow, window->title); return meta_error_trap_pop (window->display); } static int update_protocols (MetaWindow *window) { Atom *protocols = NULL; int n_protocols = 0; int i; window->take_focus = FALSE; window->delete_window = FALSE; window->net_wm_ping = FALSE; meta_error_trap_push (window->display); if (XGetWMProtocols (window->display->xdisplay, window->xwindow, &protocols, &n_protocols)) { i = 0; while (i < n_protocols) { if (protocols[i] == window->display->atom_wm_take_focus) window->take_focus = TRUE; else if (protocols[i] == window->display->atom_wm_delete_window) window->delete_window = TRUE; else if (protocols[i] == window->display->atom_net_wm_ping) window->net_wm_ping = TRUE; ++i; } meta_XFree (protocols); } meta_verbose ("Window %s has take_focus = %d delete_window = %d net_wm_ping = %d\n", window->desc, window->take_focus, window->delete_window, window->net_wm_ping); return meta_error_trap_pop (window->display); } static int update_wm_hints (MetaWindow *window) { XWMHints *hints; /* Fill in defaults */ window->input = FALSE; window->initially_iconic = FALSE; window->xgroup_leader = None; window->wm_hints_pixmap = None; window->wm_hints_mask = None; meta_error_trap_push (window->display); hints = XGetWMHints (window->display->xdisplay, window->xwindow); if (hints) { window->input = ((hints->flags & InputHint) != 0) && hints->input; if (hints->flags & StateHint) window->initially_iconic = (hints->initial_state == IconicState); if (hints->flags & WindowGroupHint) window->xgroup_leader = hints->window_group; if (hints->flags & IconPixmapHint) window->wm_hints_pixmap = hints->icon_pixmap; if (hints->flags & IconMaskHint) window->wm_hints_mask = hints->icon_mask; meta_verbose ("Read WM_HINTS input: %d iconic: %d group leader: 0x%lx pixmap: 0x%lx mask: 0x%lx\n", window->input, window->initially_iconic, window->xgroup_leader, window->wm_hints_pixmap, window->wm_hints_mask); meta_XFree (hints); } return meta_error_trap_pop (window->display); } 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; 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->maximized = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_maximized_vert) window->maximized = TRUE; else if (atoms[i] == window->display->atom_net_wm_state_modal) window->wm_state_modal = TRUE; ++i; } meta_XFree (atoms); } recalc_window_type (window); } static void update_mwm_hints (MetaWindow *window) { MotifWmHints *hints; window->mwm_decorated = TRUE; 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; } 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); } static 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 int 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; meta_error_trap_push (window->display); ch.res_name = NULL; ch.res_class = NULL; XGetClassHint (window->display->xdisplay, window->xwindow, &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 : "(null)", window->res_name ? window->res_name : "(null)"); return meta_error_trap_pop (window->display); } 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; } static void update_sm_hints (MetaWindow *window) { MetaWindow *w; 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 = None; w = window; while (w != NULL) { leader = read_client_leader (window->display, w->xwindow); if (leader != None) break; if (w->xtransient_for == None) break; w = meta_display_lookup_x_window (w->display, w->xtransient_for); if (w == window) break; /* Cute, someone thought they'd make a transient_for cycle */ } if (leader) { 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); } 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 : "(null)"); } else meta_verbose ("Didn't find a client leader for %s\n", window->desc); } 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 int update_transient_for (MetaWindow *window) { Window w; meta_error_trap_push (window->display); w = None; XGetTransientForHint (window->display->xdisplay, window->xwindow, &w); window->xtransient_for = w; if (window->xtransient_for != None) meta_verbose ("Window %s transient for 0x%lx\n", window->desc, window->xtransient_for); 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); return meta_error_trap_pop (window->display); } static char* get_text_property (MetaDisplay *display, Window xwindow, Atom atom) { XTextProperty text; char *retval; meta_error_trap_push (display); text.nitems = 0; if (XGetTextProperty (display->xdisplay, xwindow, &text, atom)) { retval = meta_text_property_to_utf8 (display->xdisplay, &text); if (text.nitems > 0) XFree (text.value); } else { retval = NULL; meta_verbose ("XGetTextProperty() failed\n"); } meta_error_trap_pop (display); return retval; } /* 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; if (!meta_prop_get_atom_list (window->display, window->xwindow, window->display->atom_net_wm_window_type, &atoms, &n_atoms)) { /* Fall back to WIN_LAYER */ gulong layer = WIN_LAYER_NORMAL; if (meta_prop_get_cardinal (window->display, window->xwindow, window->display->atom_win_layer, &layer)) { meta_verbose ("%s falling back to _WIN_LAYER hint, layer %ld\n", window->desc, layer); switch (layer) { case WIN_LAYER_DESKTOP: window->type_atom = window->display->atom_net_wm_window_type_desktop; break; case WIN_LAYER_NORMAL: window->type_atom = window->display->atom_net_wm_window_type_normal; break; case WIN_LAYER_DOCK: window->type_atom = window->display->atom_net_wm_window_type_dock; break; default: break; } } recalc_window_type (window); } 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_splashscreen) { 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); } meta_verbose ("Window %s type atom %s\n", window->desc, str ? str : "(none)"); if (str) meta_XFree (str); } recalc_window_type (window); } static int update_initial_workspace (MetaWindow *window) { gulong val = 0; window->initial_workspace_set = FALSE; /* Fall back to old WM spec hint if net_wm_desktop is missing, this * is just to be nice when restarting from old Sawfish basically, * should nuke it eventually */ if (meta_prop_get_cardinal (window->display, window->xwindow, window->display->atom_net_wm_desktop, &val)) { window->initial_workspace_set = TRUE; window->initial_workspace = val; meta_topic (META_DEBUG_PLACEMENT, "Read initial workspace prop %d for %s\n", window->initial_workspace, window->desc); } else if (meta_prop_get_cardinal (window->display, window->xwindow, window->display->atom_win_workspace, &val)) { window->initial_workspace_set = TRUE; window->initial_workspace = val; meta_topic (META_DEBUG_PLACEMENT, "Read legacy GNOME workspace prop %d for %s\n", window->initial_workspace, window->desc); } return Success; } static int update_icon_name (MetaWindow *window) { char *str; meta_error_trap_push (window->display); if (window->icon_name) { g_free (window->icon_name); window->icon_name = NULL; } str = NULL; meta_prop_get_utf8_string (window->display, window->xwindow, window->display->atom_net_wm_icon_name, &str); window->icon_name = g_strdup (str); if (str) meta_XFree (str); if (window->icon_name) { meta_verbose ("Using _NET_WM_ICON_NAME for new icon name of %s: '%s'\n", window->desc, window->icon_name); } if (window->icon_name == NULL) { window->icon_name = get_text_property (window->display, window->xwindow, XA_WM_ICON_NAME); if (window->icon_name) { meta_verbose ("Using WM_ICON_NAME for new title of %s: '%s'\n", window->desc, window->icon_name); } } if (window->icon_name == NULL) window->icon_name = g_strdup (""); return meta_error_trap_pop (window->display); } static int update_icon (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; } g_assert (window->icon); g_assert (window->mini_icon); return Success; } static void redraw_icon (MetaWindow *window) { /* We could probably be smart and just redraw the icon here. */ if (window->frame) meta_ui_queue_frame_draw (window->screen->ui, window->frame->xwindow); } static GList* meta_window_get_workspaces (MetaWindow *window) { if (window->on_all_workspaces) return window->display->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; } } static void update_struts (MetaWindow *window) { gulong *struts = NULL; int nitems; gboolean old_has_struts; gboolean old_do_not_cover; int old_left; int old_right; int old_top; int old_bottom; meta_verbose ("Updating struts for %s\n", window->desc); old_has_struts = window->has_struts; old_do_not_cover = window->do_not_cover; old_left = window->left_strut; old_right = window->right_strut; old_top = window->top_strut; old_bottom = window->bottom_strut; window->has_struts = FALSE; window->do_not_cover = FALSE; window->left_strut = 0; window->right_strut = 0; window->top_strut = 0; window->bottom_strut = 0; 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); meta_XFree (struts); } window->has_struts = TRUE; window->left_strut = struts[0]; window->right_strut = struts[1]; window->top_strut = struts[2]; window->bottom_strut = struts[3]; meta_verbose ("Using _NET_WM_STRUT struts %d %d %d %d for window %s\n", window->left_strut, window->right_strut, window->top_strut, window->bottom_strut, window->desc); meta_XFree (struts); } else { meta_verbose ("No _NET_WM_STRUT property for %s\n", window->desc); } if (!window->has_struts) { /* Try _WIN_HINTS */ gulong hints; if (meta_prop_get_cardinal (window->display, window->xwindow, window->display->atom_win_hints, &hints)) { if (hints & WIN_HINTS_DO_NOT_COVER) { window->has_struts = TRUE; window->do_not_cover = TRUE; recalc_do_not_cover_struts (window); meta_verbose ("Using _WIN_HINTS struts %d %d %d %d for window %s\n", window->left_strut, window->right_strut, window->top_strut, window->bottom_strut, window->desc); } else { meta_verbose ("DO_NOT_COVER hint not set in _WIN_HINTS\n"); } } else { meta_verbose ("No _WIN_HINTS property on %s\n", window->desc); } } if (old_has_struts != window->has_struts || old_do_not_cover != window->do_not_cover || old_left != window->left_strut || old_right != window->right_strut || old_top != window->top_strut || old_bottom != window->bottom_strut) { 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_do_not_cover_struts (MetaWindow *window) { if (window->do_not_cover) { /* We only understand windows that are aligned to * a screen edge */ gboolean horizontal; gboolean on_left_edge; gboolean on_right_edge; gboolean on_bottom_edge; gboolean on_top_edge; window->left_strut = 0; window->right_strut = 0; window->top_strut = 0; window->bottom_strut = 0; on_left_edge = window->rect.x == 0; on_right_edge = (window->rect.x + window->rect.width) == window->screen->width; on_top_edge = window->rect.y == 0; on_bottom_edge = (window->rect.y + window->rect.height) == window->screen->height; /* cheesy heuristic to decide where the strut goes */ if (on_left_edge && on_right_edge && on_bottom_edge) horizontal = TRUE; else if (on_left_edge && on_right_edge && on_top_edge) horizontal = TRUE; else if (on_top_edge && on_bottom_edge && on_left_edge) horizontal = FALSE; else if (on_top_edge && on_bottom_edge && on_right_edge) horizontal = FALSE; else horizontal = window->rect.width > window->rect.height; if (horizontal) { if (on_top_edge) window->top_strut = window->rect.height; else if (on_bottom_edge) window->bottom_strut = window->rect.height; } else { if (on_left_edge) window->left_strut = window->rect.width; else if (on_right_edge) window->right_strut = window->rect.width; } } } 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_splashscreen) 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_stack_update_layer (window->screen->stack, window); } } static void recalc_window_features (MetaWindow *window) { /* Use MWM hints initially */ window->decorated = window->mwm_decorated; 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 = window->mwm_has_resize_func; 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; } /* We leave fullscreen windows decorated, just push the frame outside * the screen. This avoids flickering to unparent them. */ if (window->fullscreen) { window->has_shade_func = FALSE; window->has_move_func = FALSE; window->has_resize_func = FALSE; window->has_maximize_func = FALSE; } /* 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; /* don't allow fullscreen if we can't resize */ if (!window->has_resize_func) { window->has_maximize_func = FALSE; window->has_fullscreen_func = FALSE; } /* no shading if not decorated */ if (!window->decorated) window->has_shade_func = FALSE; /* FIXME perhaps should ensure if we don't have a shade func, * we aren't shaded, etc. */ } static void constrain_size (MetaWindow *window, MetaFrameGeometry *fgeom, int width, int height, int *new_width, int *new_height) { /* This is partially borrowed from GTK (LGPL), which in turn * partially borrowed from fvwm, * * Copyright 1993, Robert Nation * You may use this code for any purpose, as long as the original * copyright remains in the source code and all documentation * * which in turn borrows parts of the algorithm from uwm */ int delta; double min_aspect, max_aspect; int minw, minh, maxw, maxh, fullw, fullh; /* frame member variables should NEVER be used in here */ #define FLOOR(value, base) ( ((int) ((value) / (base))) * (base) ) /* Get the allowed size ranges, considering maximized, etc. */ if (window->fullscreen) { const MetaXineramaScreenInfo *xinerama; xinerama = meta_screen_get_xinerama_for_window (window->screen, window); fullw = xinerama->width; fullh = xinerama->height; } else if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK) { fullw = window->screen->width; fullh = window->screen->height; } else { MetaRectangle work_area; meta_window_get_work_area (window, TRUE, &work_area); fullw = work_area.width; fullh = work_area.height; } if (window->frame && !window->fullscreen) { fullw -= (fgeom->left_width + fgeom->right_width); fullh -= (fgeom->top_height + fgeom->bottom_height); } maxw = window->size_hints.max_width; maxh = window->size_hints.max_height; if (window->maximized || window->fullscreen) { maxw = MIN (maxw, fullw); maxh = MIN (maxh, fullh); } minw = window->size_hints.min_width; minh = window->size_hints.min_height; /* Check that fullscreen doesn't go under app-specified min size, if * so snap back to min size */ if (maxw < minw) maxw = minw; if (maxh < minh) maxh = minh; if (window->maximized || window->fullscreen) { minw = MAX (minw, fullw); minh = MAX (minh, fullh); } /* Check that fullscreen doesn't exceed max width hint, * if so then snap back to max width hint */ if (minw > maxw) minw = maxw; if (minh > maxh) minh = maxh; /* clamp width and height to min and max values */ width = CLAMP (width, minw, maxw); height = CLAMP (height, minh, maxh); /* shrink to base + N * inc */ width = window->size_hints.base_width + FLOOR (width - window->size_hints.base_width, window->size_hints.width_inc); height = window->size_hints.base_height + FLOOR (height - window->size_hints.base_height, window->size_hints.height_inc); /* constrain aspect ratio, according to: * * width * min_aspect <= -------- <= max_aspect * height */ min_aspect = window->size_hints.min_aspect.x / (double) window->size_hints.min_aspect.y; max_aspect = window->size_hints.max_aspect.x / (double) window->size_hints.max_aspect.y; if (min_aspect * height > width) { delta = FLOOR (height - width * min_aspect, window->size_hints.height_inc); if (height - delta >= window->size_hints.min_height) height -= delta; else { delta = FLOOR (height * min_aspect - width, window->size_hints.width_inc); if (width + delta <= window->size_hints.max_width) width += delta; } } if (max_aspect * height < width) { delta = FLOOR (width - height * max_aspect, window->size_hints.width_inc); if (width - delta >= window->size_hints.min_width) width -= delta; else { delta = FLOOR (width / max_aspect - height, window->size_hints.height_inc); if (height + delta <= window->size_hints.max_height) height += delta; } } #undef FLOOR *new_width = width; *new_height = height; } static void constrain_position (MetaWindow *window, MetaFrameGeometry *fgeom, int x, int y, int *new_x, int *new_y) { /* frame member variables should NEVER be used in here, only * MetaFrameGeometry */ if (!window->placed && window->calc_placement) meta_window_place (window, fgeom, x, y, &x, &y); if (window->type == META_WINDOW_DESKTOP) { x = 0; y = 0; } else if (window->type == META_WINDOW_DOCK) { ; /* let it do whatever */ } else if (window->fullscreen) { const MetaXineramaScreenInfo *xinerama; xinerama = meta_screen_get_xinerama_for_window (window->screen, window); x = xinerama->x_origin; y = xinerama->y_origin; /* If the window's geometry gridding (e.g. for a terminal) * prevents fullscreen, center the window within * the screen area. */ x += (xinerama->width - window->rect.width) / 2; y += (xinerama->height - window->rect.height) / 2; /* If the window is somehow larger than the screen be paranoid * and fix the resulting negative coords */ if (x < xinerama->x_origin) x = xinerama->x_origin; if (y < xinerama->y_origin) y = xinerama->y_origin; } else if (window->maximized) { MetaRectangle work_area; meta_window_get_work_area (window, TRUE, &work_area); x = work_area.x; y = work_area.y; if (window->frame) { x += fgeom->left_width; y += fgeom->top_height; } /* If the window's geometry gridding (e.g. for a terminal) * prevents full maximization, center the window within * the maximized area. */ x += (work_area.width - window->rect.width - (window->frame ? (fgeom->left_width + fgeom->right_width) : 0)) / 2; y += (work_area.height - window->rect.height - (window->frame ? (fgeom->top_height + fgeom->bottom_height) : 0)) / 2; } else { int nw_x, nw_y; int se_x, se_y; int offscreen_w, offscreen_h; MetaRectangle work_area; meta_window_get_work_area (window, FALSE, &work_area); /* (FIXME instead of TITLEBAR_LENGTH_ONSCREEN, get the actual * size of the menu control?). */ #define TITLEBAR_LENGTH_ONSCREEN 36 /* find furthest northwest point the window can occupy */ nw_x = work_area.x; nw_y = work_area.y; if (window->frame) { /* Must keep TITLEBAR_LENGTH_ONSCREEN onscreen when moving left */ nw_x -= fgeom->left_width + window->rect.width + fgeom->right_width - TITLEBAR_LENGTH_ONSCREEN; /* Can't move off the top */ nw_y += fgeom->top_height; } /* find bottom-right corner of workarea */ se_x = work_area.x + work_area.width; se_y = work_area.y + work_area.height; /* if the window's size exceeds the screen size, * we allow it to go off the top/left far enough * to get the right/bottom edges onscreen. */ offscreen_w = nw_x + window->rect.width; offscreen_h = nw_y + window->rect.height; if (window->frame) { offscreen_w += fgeom->right_width; offscreen_h += fgeom->bottom_height; } offscreen_w = offscreen_w - se_x; offscreen_h = offscreen_h - se_y; /* Now change NW limit to reflect amount offscreen in SE direction */ if (offscreen_w > 0) nw_x -= offscreen_w; if (offscreen_h > 0) nw_y -= offscreen_h; /* Limit movement off the right/bottom. * Remember, we're constraining StaticGravity position. */ if (window->frame) { se_x -= TITLEBAR_LENGTH_ONSCREEN; se_y -= 0; } else { /* for frameless windows, just require an arbitrary little * chunk to be onscreen */ se_x -= TITLEBAR_LENGTH_ONSCREEN; se_y -= TITLEBAR_LENGTH_ONSCREEN; } /* If we have a micro-screen or huge frames maybe nw/se got * swapped */ if (nw_x > se_x) { int tmp = nw_x; nw_x = se_x; se_x = tmp; } if (nw_y > se_y) { int tmp = nw_y; nw_y = se_y; se_y = tmp; } /* Clamp window to the given positions. * Do the SE clamp first, so that the NW clamp has precedence * and we don't tend to lose the titlebar for too-large * windows. */ if (x > se_x) x = se_x; if (y > se_y) y = se_y; if (x < nw_x) x = nw_x; if (y < nw_y) y = nw_y; #undef TITLEBAR_LENGTH_ONSCREEN } *new_x = x; *new_y = y; } static void menu_callback (MetaWindowMenu *menu, Display *xdisplay, Window client_xwindow, MetaMenuOp op, int workspace_index, gpointer data) { MetaDisplay *display; MetaWindow *window; display = meta_display_for_x_display (xdisplay); window = meta_display_lookup_x_window (display, client_xwindow); 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, meta_display_get_current_time (window->display)); 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_WORKSPACES: { MetaWorkspace *workspace; workspace = meta_display_get_workspace_by_screen_index (window->display, window->screen, workspace_index); if (workspace) { meta_window_change_workspace (window, workspace); meta_workspace_activate (workspace); } else meta_warning ("Workspace %d doesn't exist\n", 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_MOVE: meta_window_raise (window); meta_display_begin_grab_op (window->display, window, META_GRAB_OP_KEYBOARD_MOVING, FALSE, 0, 0, meta_display_get_current_time (window->display), 0, 0); break; case META_MENU_OP_RESIZE: /* FIXME */ break; case 0: /* nothing */ break; default: meta_warning (G_STRLOC": Unknown window op\n"); break; } } else { meta_verbose ("Menu callback on nonexistent window\n"); } 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; ops = 0; insensitive = 0; ops |= (META_MENU_OP_DELETE | META_MENU_OP_WORKSPACES | META_MENU_OP_MINIMIZE | META_MENU_OP_MOVE | META_MENU_OP_RESIZE); if (window->maximized) ops |= META_MENU_OP_UNMAXIMIZE; else ops |= META_MENU_OP_MAXIMIZE; if (window->shaded) ops |= META_MENU_OP_UNSHADE; else ops |= META_MENU_OP_SHADE; if (window->on_all_workspaces) ops |= META_MENU_OP_UNSTICK; else ops |= META_MENU_OP_STICK; 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 (!window->has_move_func) insensitive |= META_MENU_OP_MOVE; if (!window->has_resize_func) insensitive |= META_MENU_OP_RESIZE; if (window->always_sticky) insensitive |= META_MENU_OP_UNSTICK | META_MENU_OP_WORKSPACES; 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); meta_verbose ("Popping up window menu for %s\n", window->desc); meta_ui_window_menu_popup (menu, root_x, root_y, button, timestamp); } static void window_query_root_pointer (MetaWindow *window, int *x, int *y) { Window root_return, child_return; int root_x_return, root_y_return; int win_x_return, win_y_return; unsigned int mask_return; meta_error_trap_push (window->display); XQueryPointer (window->display->xdisplay, window->xwindow, &root_return, &child_return, &root_x_return, &root_y_return, &win_x_return, &win_y_return, &mask_return); meta_error_trap_pop (window->display); if (x) *x = root_x_return; if (y) *y = root_y_return; } static void update_move (MetaWindow *window, unsigned int mask, int x, int y) { int dx, dy; int new_x, new_y; dx = x - window->display->grab_root_x; dy = y - window->display->grab_root_y; new_x = window->display->grab_initial_window_pos.x + dx; new_y = window->display->grab_initial_window_pos.y + dy; 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) { int dx, dy; int new_w, new_h; int gravity; dx = x - window->display->grab_root_x; dy = y - window->display->grab_root_y; new_w = window->display->grab_initial_window_pos.width; new_h = window->display->grab_initial_window_pos.height; switch (window->display->grab_op) { case META_GRAB_OP_RESIZING_SE: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_E: new_w += dx; break; case META_GRAB_OP_RESIZING_NW: case META_GRAB_OP_RESIZING_SW: case META_GRAB_OP_RESIZING_W: new_w -= 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: new_h += dy; break; case META_GRAB_OP_RESIZING_N: case META_GRAB_OP_RESIZING_NE: case META_GRAB_OP_RESIZING_NW: new_h -= dy; break; default: break; } /* compute gravity of client during operation */ gravity = meta_resize_gravity_from_grab_op (window->display->grab_op); g_assert (gravity >= 0); meta_window_resize_with_gravity (window, TRUE, new_w, new_h, gravity); } void meta_window_handle_mouse_grab_op_event (MetaWindow *window, XEvent *event) { switch (event->type) { case ButtonRelease: switch (window->display->grab_op) { case META_GRAB_OP_MOVING: update_move (window, event->xbutton.state, event->xbutton.x_root, event->xbutton.y_root); break; 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: update_resize (window, event->xbutton.x_root, event->xbutton.y_root); break; default: break; } meta_display_end_grab_op (window->display, event->xbutton.time); break; case MotionNotify: switch (window->display->grab_op) { case META_GRAB_OP_MOVING: { int x, y; window_query_root_pointer (window, &x, &y); update_move (window, event->xbutton.state, x, y); } break; 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: { int x, y; window_query_root_pointer (window, &x, &y); update_resize (window, x, y); } break; default: break; } 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); } void meta_window_get_work_area (MetaWindow *window, gboolean for_current_xinerama, MetaRectangle *area) { MetaRectangle space_area; GList *tmp; int left_strut; int right_strut; int top_strut; int bottom_strut; if (for_current_xinerama) { const MetaXineramaScreenInfo *xinerama; xinerama = meta_screen_get_xinerama_for_window (window->screen, window); left_strut = xinerama->x_origin; right_strut = window->screen->width - xinerama->width - xinerama->x_origin; top_strut = xinerama->y_origin; bottom_strut = window->screen->height - xinerama->height - xinerama->y_origin; } else { 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 (tmp->data, &space_area); left_strut = MAX (left_strut, space_area.x); right_strut = MAX (right_strut, (window->screen->width - space_area.x - space_area.width)); top_strut = MAX (top_strut, space_area.y); bottom_strut = MAX (bottom_strut, (window->screen->height - space_area.y - space_area.height)); tmp = tmp->next; } area->x = left_strut; area->y = top_strut; area->width = window->screen->width - left_strut - right_strut; area->height = window->screen->height - top_strut - bottom_strut; meta_topic (META_DEBUG_WORKAREA, "Window %s has 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 (window->xgroup_leader != None && other_window->xgroup_leader != None && window->xgroup_leader == other_window->xgroup_leader); } 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; 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) { /* FIXME only create it if width_inc > 1 or height_inc > 1 */ window->display->grab_resize_popup = meta_ui_resize_popup_new (); } if (window->display->grab_resize_popup != NULL) { int gravity; int x, y; 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); meta_window_get_position (window, &x, &y); meta_ui_resize_popup_set (window->display->grab_resize_popup, gravity, x, y, window->rect.width, window->rect.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)) (* func) (transient, data); tmp = tmp->next; } g_slist_free (windows); } gboolean meta_window_is_ancestor_of_transient (MetaWindow *window, MetaWindow *transient) { MetaWindow *w; if (window == transient) return FALSE; w = transient; while (w != NULL) { if (w->xtransient_for == None) return FALSE; if (w->xtransient_for == window->xwindow) return TRUE; w = meta_display_lookup_x_window (w->display, w->xtransient_for); if (w == transient) return FALSE; /* Cycle */ /* w may be null... */ } return FALSE; }