/* Metacity X managed windows */ /* * Copyright (C) 2001 Havoc Pennington * * 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 "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 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 int update_net_wm_state (MetaWindow *window); static int 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 int update_role (MetaWindow *window); static int 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 recalc_window_type (MetaWindow *window); static void recalc_window_features (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_configure_request (MetaWindow *window, int x, int y, int width, int height, int border_width); static gboolean process_property_notify (MetaWindow *window, XPropertyEvent *event); static void meta_window_show (MetaWindow *window); static void meta_window_hide (MetaWindow *window); static void meta_window_move_resize_internal (MetaWindow *window, gboolean is_configure_request, int root_x_nw, int root_y_nw, int w, int h); static gboolean get_cardinal (MetaDisplay *display, Window xwindow, Atom atom, gulong *val); void meta_window_unqueue_calc_showing (MetaWindow *window); MetaWindow* meta_window_new (MetaDisplay *display, Window xwindow, gboolean must_be_viewable) { MetaWindow *window; XWindowAttributes attrs; GSList *tmp; MetaWorkspace *space; gulong existing_wm_state; meta_verbose ("Attempting to manage 0x%lx\n", xwindow); /* 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; } existing_wm_state = WithdrawnState; if (must_be_viewable && attrs.map_state != IsViewable) { /* Only manage if WM_STATE is IconicState or NormalState */ gulong state; if (!(get_cardinal (display, xwindow, 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_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); 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->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) { if (((MetaScreen *)tmp->data)->xscreen == attrs.screen) { 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; /* 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->depth = attrs.depth; window->xvisual = attrs.visual; window->title = NULL; window->icon_name = NULL; window->icon = NULL; window->desc = g_strdup_printf ("0x%lx", window->xwindow); window->frame = NULL; window->has_focus = FALSE; window->user_has_resized = FALSE; window->user_has_moved = FALSE; window->maximized = 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; window->unmanaging = FALSE; window->calc_showing_queued = FALSE; window->keys_grabbed = FALSE; window->grab_on_frame = FALSE; window->withdrawn = FALSE; window->initial_workspace_set = 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->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->xtransient_for = None; window->xgroup_leader = None; window->xclient_leader = None; window->icon_pixmap = None; window->icon_mask = None; window->type = META_WINDOW_NORMAL; window->type_atom = None; window->layer = META_LAYER_NORMAL; window->stack_op = NULL; window->initial_workspace = 0; /* not used */ meta_display_register_x_window (display, &window->xwindow, window); update_size_hints (window); update_title (window); update_protocols (window); update_wm_hints (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); /* For the workspace, first honor hints, * if that fails put transients with parents, * otherwise put window on active space */ if (window->initial_workspace_set) { 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; if (parent->on_all_workspaces) window->on_all_workspaces = TRUE; tmp = parent->workspaces; while (tmp != NULL) { meta_workspace_add_window (tmp->data, window); tmp = tmp->next; } } } if (window->workspaces == NULL) { space = window->screen->active_workspace; meta_workspace_add_window (space, window); } /* Only accept USPosition on normal windows because the app is full * of shit claiming the user set -geometry for a dialog or dock */ if (window->type == META_WINDOW_NORMAL && (window->size_hints.flags & USPosition)) { /* don't constrain with placement algorithm */ window->placed = TRUE; meta_verbose ("Honoring USPosition for %s instead of using placement algorithm\n", window->desc); } /* Assume the app knows best how to place these. */ if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK || window->type == META_WINDOW_TOOLBAR || window->type == META_WINDOW_MENU) { window->placed = TRUE; meta_verbose ("Not placing non-normal non-dialog window\n"); } 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; } /* 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, TRUE, window->size_hints.x, window->size_hints.y, window->size_hints.width, window->size_hints.height); meta_stack_add (window->screen->stack, window); /* Sync stack changes */ meta_stack_thaw (window->screen->stack); meta_window_queue_calc_showing (window); meta_display_ungrab (display); return window; } void meta_window_free (MetaWindow *window) { GList *tmp; meta_verbose ("Unmanaging 0x%lx\n", window->xwindow); window->unmanaging = TRUE; if (window->display->focus_window == window) window->display->focus_window = NULL; if (window->display->prev_focus_window == window) window->display->prev_focus_window = NULL; meta_window_unqueue_calc_showing (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) set_wm_state (window, WithdrawnState); if (window->frame) meta_window_destroy_frame (window); meta_window_ungrab_keys (window); meta_display_unregister_x_window (window->display, window->xwindow); /* Put back anything we messed up */ meta_error_trap_push (window->display); if (window->border_width != 0) XSetWindowBorderWidth (window->display->xdisplay, window->xwindow, window->border_width); meta_error_trap_pop (window->display); g_free (window->sm_client_id); g_free (window->role); g_free (window->res_class); g_free (window->res_name); g_free (window->title); g_free (window->icon_name); g_free (window->desc); g_free (window); } static int set_wm_state (MetaWindow *window, int state) { unsigned long data[2]; /* 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]; gboolean skip_pager; gboolean skip_taskbar; if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK || window->type == META_WINDOW_TOOLBAR || window->type == META_WINDOW_MENU) skip_pager = TRUE; else skip_pager = FALSE; if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK || window->type == META_WINDOW_MENU) skip_taskbar = TRUE; else skip_taskbar = FALSE; 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 || skip_pager) { data[i] = window->display->atom_net_wm_state_skip_pager; ++i; } if (window->wm_state_skip_taskbar || skip_pager) { 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; } 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); } void meta_window_calc_showing (MetaWindow *window) { gboolean on_workspace; on_workspace = g_list_find (window->workspaces, window->screen->active_workspace) != NULL; 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) { on_workspace = TRUE; meta_verbose ("Window %s is on all workspaces\n", window->desc); } if (window->minimized || !on_workspace) { meta_window_hide (window); } else { meta_window_show (window); } } static guint calc_showing_idle = 0; static GSList *calc_showing_pending = NULL; static gboolean idle_calc_showing (gpointer data) { GSList *tmp; tmp = calc_showing_pending; while (tmp != NULL) { MetaWindow *window; window = tmp->data; meta_window_calc_showing (window); window->calc_showing_queued = FALSE; tmp = tmp->next; } g_slist_free (calc_showing_pending); calc_showing_pending = NULL; calc_showing_idle = 0; return FALSE; } void meta_window_unqueue_calc_showing (MetaWindow *window) { if (!window->calc_showing_queued) return; meta_verbose ("Removing %s from the calc_showing queue\n", window->desc); 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_queue_calc_showing (MetaWindow *window) { if (window->unmanaging) return; if (window->calc_showing_queued) return; meta_verbose ("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) { meta_verbose ("Showing window %s, shaded: %d iconic: %d\n", window->desc, window->shaded, window->iconic); /* 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; /* Shaded means the frame is mapped but the window is not */ if (window->frame && !window->frame->mapped) { meta_verbose ("Frame actually needs map\n"); window->frame->mapped = TRUE; meta_ui_map_frame (window->screen->ui, window->frame->xwindow); } if (window->shaded) { if (window->mapped) { meta_verbose ("%s actually needs unmap\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_verbose ("%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); } if (window->iconic) { window->iconic = FALSE; set_wm_state (window, NormalState); } } } void meta_window_hide (MetaWindow *window) { meta_verbose ("Hiding window %s\n", window->desc); if (window->frame && window->frame->mapped) { meta_verbose ("Frame actually needs unmap\n"); window->frame->mapped = FALSE; meta_ui_unmap_frame (window->screen->ui, window->frame->xwindow); } if (window->mapped) { meta_verbose ("%s actually needs unmap\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); } } void meta_window_minimize (MetaWindow *window) { if (!window->minimized) { window->minimized = TRUE; meta_window_queue_calc_showing (window); } } void meta_window_unminimize (MetaWindow *window) { if (window->minimized) { window->minimized = FALSE; meta_window_queue_calc_showing (window); } } void meta_window_maximize (MetaWindow *window) { if (!window->maximized) { window->maximized = TRUE; /* 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) { window->maximized = FALSE; meta_window_move_resize (window, 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_verbose ("Shading %s\n", window->desc); if (!window->shaded) { window->shaded = TRUE; meta_window_focus (window, CurrentTime); meta_window_queue_move_resize (window); meta_window_queue_calc_showing (window); set_net_wm_state (window); } } void meta_window_unshade (MetaWindow *window) { meta_verbose ("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 */ /* FIXME CurrentTime is bogus */ meta_window_focus (window, CurrentTime); set_net_wm_state (window); } } /* returns values suitable for meta_window_move */ 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 void meta_window_move_resize_internal (MetaWindow *window, gboolean is_configure_request, 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 oldx, oldy; meta_window_get_position (window, &oldx, &oldy); meta_verbose ("Move/resize %s to %d,%d %dx%d%s from %d,%d %dx%d\n", window->desc, root_x_nw, root_y_nw, w, h, is_configure_request ? " (configure request)" : "", 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_verbose ("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; 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; if (new_w != window->frame->rect.width || new_h != window->frame->rect.height) need_resize_frame = TRUE; window->frame->rect.width = new_w; window->frame->rect.height = new_h; meta_verbose ("Calculated frame size %dx%d\n", window->frame->rect.width, window->frame->rect.height); } if (is_configure_request) { 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_verbose ("Compensated position for gravity, new pos %d,%d\n", root_x_nw, root_y_nw); } constrain_position (window, window->frame ? &fgeom : NULL, root_x_nw, root_y_nw, &root_x_nw, &root_y_nw); meta_verbose ("Constrained position to %d,%d\n", root_x_nw, root_y_nw); if (window->frame) { int new_x, new_y; new_x = root_x_nw - fgeom.left_width; new_y = root_y_nw - fgeom.top_height; if (new_x != window->frame->rect.x || new_y != window->frame->rect.y) need_move_frame = TRUE; if (window->rect.x != fgeom.left_width || window->rect.y != fgeom.top_height) need_move_client = TRUE; window->frame->rect.x = new_x; window->frame->rect.y = new_y; /* window->rect.x, window->rect.y are relative to frame, * remember they are the server coords */ window->rect.x = fgeom.left_width; window->rect.y = fgeom.top_height; } 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; } /* 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; /* Sync our new size/pos with X as efficiently as possible */ values.border_width = 0; values.x = window->rect.x; values.y = window->rect.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_verbose ("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); } /* Now do the frame */ if (window->frame) meta_frame_sync_to_window (window->frame, need_move_frame, need_resize_frame); if (need_configure_notify) send_configure_notify (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, int w, int h) { int x, y; meta_window_get_position (window, &x, &y); meta_window_move_resize_internal (window, FALSE, x, y, w, h); } void meta_window_move (MetaWindow *window, int root_x_nw, int root_y_nw) { meta_window_move_resize_internal (window, FALSE, root_x_nw, root_y_nw, window->rect.width, window->rect.height); } void meta_window_move_resize (MetaWindow *window, int root_x_nw, int root_y_nw, int w, int h) { meta_window_move_resize_internal (window, FALSE, root_x_nw, root_y_nw, w, h); } void meta_window_queue_move_resize (MetaWindow *window) { /* FIXME actually queue, don't do it immediately */ int x, y; meta_window_get_position (window, &x, &y); meta_window_move_resize (window, x, y, window->rect.width, window->rect.height); } void meta_window_get_position (MetaWindow *window, int *x, int *y) { if (window->frame) { *x = window->frame->rect.x + window->frame->child_x; *y = window->frame->rect.y + window->frame->child_y; } else { *x = window->rect.x; *y = window->rect.y; } } void meta_window_delete (MetaWindow *window, Time timestamp) { meta_error_trap_push (window->display); if (window->delete_window) { meta_verbose ("Deleting %s with delete_window request\n", window->desc); meta_window_send_icccm_message (window, window->display->atom_wm_delete_window, timestamp); } else { meta_verbose ("Deleting %s with explicit kill\n", window->desc); XKillClient (window->display->xdisplay, window->xwindow); } meta_error_trap_pop (window->display); } void meta_window_focus (MetaWindow *window, Time timestamp) { meta_verbose ("Setting input focus to window %s, input: %d take_focus: %d\n", window->desc, window->input, window->take_focus); if (window->shaded && window->frame) { /* This is so we can still use keyboard shortcuts * and still draw the window as focused. */ if (window->frame) { meta_verbose ("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) { XSetInputFocus (window->display->xdisplay, window->xwindow, RevertToPointerRoot, timestamp); } if (window->take_focus) { 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 ("Already on this workspace\n"); 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) return Success; /* this happens when destroying windows */ 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_verbose ("Raising window %s\n", window->desc); meta_stack_raise (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; XSendEvent (window->display->xdisplay, window->xwindow, False, 0, (XEvent*) &ev); } gboolean meta_window_configure_request (MetaWindow *window, XEvent *event) { return process_configure_request (window, event->xconfigurerequest.x, event->xconfigurerequest.y, event->xconfigurerequest.width, event->xconfigurerequest.height, event->xconfigurerequest.border_width); } gboolean meta_window_property_notify (MetaWindow *window, XEvent *event) { return process_property_notify (window, &event->xproperty); } 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, CurrentTime); 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 == 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)"); if (str1) XFree (str1); if (str2) 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) meta_window_shade (window); else meta_window_unshade (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) 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) meta_window_minimize (window); 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 */ /* We don't ever want to set prev_focus_window to NULL, * though it may be NULL due to e.g. only one window ever * getting focus, or a window disappearing. */ /* 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 prev_focus_window gets confused from what the * user expects once a keybinding is used. */ if (event->xfocus.mode == NotifyGrab || event->xfocus.mode == NotifyUngrab) { meta_verbose ("Ignoring focus event generated by a grab\n"); return TRUE; } if (event->type == FocusIn) { if (window != window->display->focus_window) { if (window == window->display->prev_focus_window && window->display->focus_window != NULL) { meta_verbose ("%s is now the previous focus window due to another window focused in\n", window->display->focus_window->desc); window->display->prev_focus_window = window->display->focus_window; } meta_verbose ("New focus window %s\n", window->desc); window->display->focus_window = window; } window->has_focus = TRUE; if (window->frame) meta_frame_queue_draw (window->frame); } else if (event->type == FocusOut) { if (window == window->display->focus_window) { meta_verbose ("%s is now the previous focus window due to being focused out\n", window->desc); window->display->prev_focus_window = window; window->display->focus_window = NULL; } window->has_focus = FALSE; if (window->frame) meta_frame_queue_draw (window->frame); } 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) { update_title (window); } else if (event->atom == XA_WM_NORMAL_HINTS) { 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) { update_protocols (window); meta_window_queue_move_resize (window); } else if (event->atom == XA_WM_HINTS) { update_wm_hints (window); update_icon (window); meta_window_queue_move_resize (window); } else if (event->atom == window->display->atom_motif_wm_hints) { 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) { update_wm_class (window); } else if (event->atom == XA_WM_TRANSIENT_FOR) { update_transient_for (window); meta_window_queue_move_resize (window); } else if (event->atom == window->display->atom_wm_window_role) { 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 changed client leader window or SM client ID\n"); } 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) { update_net_wm_type (window); } else if (event->atom == window->display->atom_net_wm_icon_name || event->atom == XA_WM_ICON_NAME) { update_icon_name (window); } else if (event->atom == window->display->atom_net_wm_icon) { update_icon (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_verbose ("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); } static gboolean process_configure_request (MetaWindow *window, int x, int y, int width, int height, int border_width) { /* 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 */ window->border_width = 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; meta_window_move_resize_internal (window, TRUE, window->size_hints.x, window->size_hints.y, window->size_hints.width, window->size_hints.height); return TRUE; } static int update_size_hints (MetaWindow *window) { int x, y, w, h; gulong supplied; meta_verbose ("Updating WM_NORMAL_HINTS\n"); /* 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_verbose ("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_verbose ("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_verbose ("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.flags & PResizeInc) { meta_verbose ("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_verbose ("Corrected 0 width_inc to 1\n"); } if (window->size_hints.height_inc == 0) { window->size_hints.height_inc = 1; meta_verbose ("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_verbose ("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_verbose ("Window %s sets gravity %d\n", window->desc, window->size_hints.win_gravity); } else { meta_verbose ("Window %s doesn't set gravity, using NW\n", window->desc); window->size_hints.win_gravity = NorthWestGravity; window->size_hints.flags |= PWinGravity; } return meta_error_trap_pop (window->display); } static int update_title (MetaWindow *window) { XTextProperty text; meta_error_trap_push (window->display); if (window->title) { g_free (window->title); window->title = NULL; } XGetTextProperty (window->display->xdisplay, window->xwindow, &text, window->display->atom_net_wm_name); if (text.nitems > 0 && text.format == 8 && g_utf8_validate (text.value, text.nitems, NULL)) { meta_verbose ("Using _NET_WM_NAME for new title of %s: '%s'\n", window->desc, text.value); window->title = g_strdup (text.value); } if (text.nitems > 0) XFree (text.value); if (window->title == NULL && text.nitems > 0) meta_warning ("_NET_WM_NAME property for %s contained invalid UTF-8\n", window->desc); if (window->title == NULL) { XGetTextProperty (window->display->xdisplay, window->xwindow, &text, XA_WM_NAME); if (text.nitems > 0) { /* FIXME This isn't particularly correct. Need to copy the * GDK code... */ char *str; GError *err; err = NULL; str = g_locale_to_utf8 (text.value, (text.format / 8) * text.nitems, NULL, NULL, &err); if (err != NULL) { meta_warning ("WM_NAME property for %s contained stuff we are too dumb to figure out: %s\n", window->desc, err->message); g_error_free (err); } if (str) meta_verbose ("Using WM_NAME for new title of %s: '%s'\n", window->desc, text.value); window->title = str; XFree (text.value); } } if (window->title == NULL) window->title = g_strdup (""); g_free (window->desc); window->desc = g_strdup_printf ("0x%lx (%.10s)", window->xwindow, window->title); 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; 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; ++i; } if (protocols) XFree (protocols); } meta_verbose ("Window %s has take_focus = %d delete_window = %d\n", window->desc, window->take_focus, window->delete_window); 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->icon_pixmap = None; window->icon_mask = None; meta_error_trap_push (window->display); hints = XGetWMHints (window->display->xdisplay, window->xwindow); if (hints) { window->input = (hints->flags & InputHint) != 0; 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->icon_pixmap = hints->icon_pixmap; if (hints->flags & IconMaskHint) window->icon_mask = hints->icon_mask; meta_verbose ("Read WM_HINTS input: %d iconic: %d group leader: 0x%ld\n", window->input, window->initially_iconic, window->xgroup_leader); XFree (hints); } return meta_error_trap_pop (window->display); } static int update_net_wm_state (MetaWindow *window) { /* We know this is only on initial window creation, * clients don't change the property. */ Atom type; gint format; gulong n_atoms; gulong bytes_after; Atom *atoms; int result; int i; window->shaded = FALSE; window->maximized = FALSE; window->wm_state_modal = FALSE; meta_error_trap_push (window->display); XGetWindowProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_state, 0, G_MAXLONG, False, XA_ATOM, &type, &format, &n_atoms, &bytes_after, (guchar **)&atoms); result = meta_error_trap_pop (window->display); if (result != Success) { recalc_window_type (window); return result; } if (type != XA_ATOM) { recalc_window_type (window); return -1; /* whatever */ } 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; } XFree (atoms); recalc_window_type (window); return Success; } /* I don't know of any docs anywhere on what the * hell most of this means. Copied from Lesstif by * way of GTK */ typedef struct { unsigned long flags; unsigned long functions; unsigned long decorations; long input_mode; unsigned long status; } MotifWmHints, MwmHints; #define MWM_HINTS_FUNCTIONS (1L << 0) #define MWM_HINTS_DECORATIONS (1L << 1) #define MWM_HINTS_INPUT_MODE (1L << 2) #define MWM_HINTS_STATUS (1L << 3) #define MWM_FUNC_ALL (1L << 0) #define MWM_FUNC_RESIZE (1L << 1) #define MWM_FUNC_MOVE (1L << 2) #define MWM_FUNC_MINIMIZE (1L << 3) #define MWM_FUNC_MAXIMIZE (1L << 4) #define MWM_FUNC_CLOSE (1L << 5) #define MWM_DECOR_ALL (1L << 0) #define MWM_DECOR_BORDER (1L << 1) #define MWM_DECOR_RESIZEH (1L << 2) #define MWM_DECOR_TITLE (1L << 3) #define MWM_DECOR_MENU (1L << 4) #define MWM_DECOR_MINIMIZE (1L << 5) #define MWM_DECOR_MAXIMIZE (1L << 6) #define MWM_INPUT_MODELESS 0 #define MWM_INPUT_PRIMARY_APPLICATION_MODAL 1 #define MWM_INPUT_SYSTEM_MODAL 2 #define MWM_INPUT_FULL_APPLICATION_MODAL 3 #define MWM_INPUT_APPLICATION_MODAL MWM_INPUT_PRIMARY_APPLICATION_MODAL #define MWM_TEAROFF_WINDOW (1L<<0) static int update_mwm_hints (MetaWindow *window) { MotifWmHints *hints; Atom type; gint format; gulong nitems; gulong bytes_after; int result; 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; meta_error_trap_push (window->display); XGetWindowProperty (window->display->xdisplay, window->xwindow, window->display->atom_motif_wm_hints, 0, sizeof (MotifWmHints)/sizeof (long), False, AnyPropertyType, &type, &format, &nitems, &bytes_after, (guchar **)&hints); result = meta_error_trap_pop (window->display); if (result != Success || type == None) { meta_verbose ("Window %s has no MWM hints\n", window->desc); /* may be Success, unused anyhow */ return result; } /* We support 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->flags & 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"); XFree (hints); recalc_window_features (window); return Success; } 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 int read_string_prop (MetaDisplay *display, Window xwindow, Atom atom, char **strp) { Atom type; gint format; gulong nitems; gulong bytes_after; guchar *str; int result; meta_error_trap_push (display); str = NULL; XGetWindowProperty (display->xdisplay, xwindow, atom, 0, G_MAXLONG, False, XA_STRING, &type, &format, &nitems, &bytes_after, (guchar **)&str); result = meta_error_trap_pop (display); if (result != Success) return result; if (type != XA_STRING) return -1; /* whatever */ *strp = g_strdup (str); XFree (str); return Success; } static Window read_client_leader (MetaDisplay *display, Window xwindow) { Atom type; gint format; gulong nitems; gulong bytes_after; Window *leader; int result; Window retval; meta_error_trap_push (display); leader = NULL; XGetWindowProperty (display->xdisplay, xwindow, display->atom_wm_client_leader, 0, G_MAXLONG, False, XA_WINDOW, &type, &format, &nitems, &bytes_after, (guchar **)&leader); result = meta_error_trap_pop (display); if (result != Success) return None; if (type != XA_WINDOW) return None; retval = *leader; XFree (leader); 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) { window->xclient_leader = leader; read_string_prop (window->display, leader, window->display->atom_sm_client_id, &window->sm_client_id); meta_verbose ("Window %s client leader: 0x%ld SM_CLIENT_ID: '%s'\n", window->desc, window->xclient_leader, window->sm_client_id); } else meta_verbose ("Didn't find a client leader for %s\n", window->desc); } static int update_role (MetaWindow *window) { int result; if (window->role) g_free (window->role); window->role = NULL; result = read_string_prop (window->display, window->xwindow, window->display->atom_wm_window_role, &window->role); meta_verbose ("Updated role of %s to '%s'\n", window->desc, window->role ? window->role : "(null)"); return Success; } 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%ld\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 gboolean get_cardinal (MetaDisplay *display, Window xwindow, Atom atom, gulong *val) { Atom type; gint format; gulong nitems; gulong bytes_after; gulong *num; int err; meta_error_trap_push (display); type = None; XGetWindowProperty (display->xdisplay, xwindow, atom, 0, G_MAXLONG, False, XA_CARDINAL, &type, &format, &nitems, &bytes_after, (guchar **)&num); err = meta_error_trap_pop (display); if (err != Success) return FALSE; if (type != XA_CARDINAL) return FALSE; *val = *num; XFree (num); return TRUE; } /* 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 int update_net_wm_type (MetaWindow *window) { Atom type; gint format; gulong n_atoms; gulong bytes_after; Atom *atoms; int result; int i; window->type_atom = None; meta_error_trap_push (window->display); XGetWindowProperty (window->display->xdisplay, window->xwindow, window->display->atom_net_wm_window_type, 0, G_MAXLONG, False, XA_ATOM, &type, &format, &n_atoms, &bytes_after, (guchar **)&atoms); result = meta_error_trap_pop (window->display); if (result != Success || type != XA_ATOM) { /* Fall back to WIN_LAYER */ gulong layer = WIN_LAYER_NORMAL; if (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); return result; } 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) { window->type_atom = atoms[i]; break; } ++i; } XFree (atoms); if (meta_is_verbose ()) { char *str; meta_error_trap_push (window->display); str = XGetAtomName (window->display->xdisplay, window->type_atom); if (meta_error_trap_pop (window->display)) str = NULL; meta_verbose ("Window %s type atom %s\n", window->desc, str ? str : "(none)"); if (str) XFree (str); } recalc_window_type (window); return Success; } 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 (get_cardinal (window->display, window->xwindow, window->display->atom_net_wm_desktop, &val)) { window->initial_workspace_set = TRUE; window->initial_workspace = val; } else if (get_cardinal (window->display, window->xwindow, window->display->atom_win_workspace, &val)) { window->initial_workspace_set = TRUE; window->initial_workspace = val; } return Success; } static int update_icon_name (MetaWindow *window) { XTextProperty text; meta_error_trap_push (window->display); if (window->icon_name) { g_free (window->icon_name); window->icon_name = NULL; } XGetTextProperty (window->display->xdisplay, window->xwindow, &text, window->display->atom_net_wm_icon_name); if (text.nitems > 0 && text.format == 8 && g_utf8_validate (text.value, text.nitems, NULL)) { meta_verbose ("Using _NET_WM_ICON_NAME for new title of %s: '%s'\n", window->desc, text.value); window->icon_name = g_strdup (text.value); } if (text.nitems > 0) XFree (text.value); if (window->icon_name == NULL && text.nitems > 0) meta_warning ("_NET_WM_ICON_NAME property for %s contained invalid UTF-8\n", window->desc); if (window->icon_name == NULL) { XGetTextProperty (window->display->xdisplay, window->xwindow, &text, XA_WM_ICON_NAME); if (text.nitems > 0) { /* FIXME This isn't particularly correct. Need to copy the * GDK code... */ char *str; GError *err; err = NULL; str = g_locale_to_utf8 (text.value, (text.format / 8) * text.nitems, NULL, NULL, &err); if (err != NULL) { meta_warning ("WM_ICON_NAME property for %s contained stuff we are too dumb to figure out: %s\n", window->desc, err->message); g_error_free (err); } if (str) meta_verbose ("Using WM_ICON_NAME for new title of %s: '%s'\n", window->desc, text.value); window->icon_name = str; XFree (text.value); } } if (window->icon_name == NULL) window->icon_name = g_strdup (""); return meta_error_trap_pop (window->display); } static int update_icon (MetaWindow *window) { meta_error_trap_push (window->display); if (window->icon) { g_object_unref (G_OBJECT (window->icon)); window->icon = NULL; } /* FIXME */ return meta_error_trap_pop (window->display); } static void recalc_window_type (MetaWindow *window) { int 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->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\n", window->type, window->desc); 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; /* Semantic category overrides the MWM hints */ if (window->type == META_WINDOW_DESKTOP || window->type == META_WINDOW_DOCK) { window->has_close_func = FALSE; window->has_shade_func = FALSE; 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; } /* 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) ( ((gint) ((value) / (base))) * (base) ) /* Get the allowed size ranges, considering maximized, etc. */ fullw = window->screen->active_workspace->workarea.width; fullh = window->screen->active_workspace->workarea.height; if (window->frame) { 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 user hasn't resized or moved, then try to shrink the window to * fit onscreen, while not violating the min size, just as * we do for maximize */ if (window->maximized || !(window->user_has_resized || window->user_has_moved)) { 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) { 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) meta_window_place (window, fgeom, x, y, &x, &y); if (window->type != META_WINDOW_DESKTOP && window->type != META_WINDOW_DOCK) { int nw_x, nw_y; int se_x, se_y; /* find furthest northwest corner */ nw_x = window->screen->active_workspace->workarea.x; nw_y = window->screen->active_workspace->workarea.y; if (window->frame) { nw_x += fgeom->left_width; nw_y += fgeom->top_height; } /* don't allow moving titlebar off the top or left */ if (x < nw_x) x = nw_x; if (y < nw_y) y = nw_y; /* keep titlebar on bottom right as well (but not entire window) */ se_x = window->screen->active_workspace->workarea.x + window->screen->active_workspace->workarea.width; se_y = window->screen->active_workspace->workarea.y + window->screen->active_workspace->workarea.height; if (window->frame) { #define TITLEBAR_LENGTH_ONSCREEN 10 se_x -= (fgeom->left_width + TITLEBAR_LENGTH_ONSCREEN); se_y -= fgeom->top_height; } if (x > se_x) x = se_x; if (y > se_y) y = se_y; if (window->maximized) { if (x != nw_x) x = nw_x; if (y != nw_y) y = nw_y; } } *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, CurrentTime); 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); 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 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); 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; 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); }