971f3f1207
2003-06-10 Rob Adams <robadams@ucla.edu> Update constraints code to support the new _NET_WM_STRUT_PARTIAL EWMH draft specification. See #86682. Also, fix a bug involving work area invalidation on metacity startup. Fix for #108497. Finally, some minor fixes for full screen windows. * src/window.h: Add new MetaStruts structure to store strut rects for a window. Remove has_struts and do_not_cover flag, and support new MetaStruts instead of the four ints. * src/window.c (meta_window_new): change initialization to work with new struts. Also, move meta_window_update_struts call to after the workspaces are initialized to fix #108497. Remove do_not_cover and related code. (process_property_notify): add strut_partial (update_struts): change function name to meta_window_update_struts and expose in external MetaWindow API. Support partial width struts and the new strut rects. * src/workspace.h: add new GSLists containing pointers to all relevant struts for this workspace. * src/workspace.c (meta_workspace_new): initialize the list of strut rects for this workspace. (meta_workspace_free): free the strut rect lists (ensure_work_areas_validated): support new struts and new strut rect lists. Unleash the per-xinerama work areas. * src/constraints.c (get_outermost_onscreen_positions): Use the current window position along with the new per-workspace strut rects to compute the constraints that apply to a particular window. (constraint_hint_applies_func): don't do hints constraints on fullscreen windows (update_position_limits): for maximized windows use the work areas to set the position limits; for other windows rely on the struts constraints to be computed later in get_outermost_onscreen_positions (meta_window_constrain): don't apply aspect ratio hints to full screen windows * src/display.c (meta_display_open): add _NET_WM_STRUT_PARTIAL atom (meta_rectangle_equal): new helper function for MetaRectangles (event_queue_callback): #ifndef out if USE_GDK_DISPLAY not set to avoid compiler warning * src/display.h: add atom_net_wm_strut_partial, and add meta_rectangle_equal. * src/screen.c (meta_screen_rect_intersects_xinerama): change _window_intersects_ to _rect_intersects_ which is more useful now. (meta_screen_resize_func): update struts on windows with struts since struts are relative to the screen size, and this function is called when the screen size updates. * src/screen.h (meta_screen_rect_intersects_xinerama): change _window_intersects_ to _rect_intersects_ which is more useful now. * src/window-props.c (meta_display_init_window_prop_hooks): add hook for strut_partial * src/tools/metacity-window-demo.c: Support partial-width struts on the dock window tests for metacity testing purposes.
685 lines
20 KiB
C
685 lines
20 KiB
C
/* Metacity Workspaces */
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/*
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* Copyright (C) 2001 Havoc Pennington
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include <config.h>
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#include "workspace.h"
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#include "errors.h"
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#include "prefs.h"
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#include <X11/Xatom.h>
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#include <string.h>
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void meta_workspace_queue_calc_showing (MetaWorkspace *workspace);
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static void set_active_space_hint (MetaScreen *screen);
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MetaWorkspace*
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meta_workspace_new (MetaScreen *screen)
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{
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MetaWorkspace *workspace;
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workspace = g_new (MetaWorkspace, 1);
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workspace->screen = screen;
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workspace->screen->workspaces =
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g_list_append (workspace->screen->workspaces, workspace);
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workspace->windows = NULL;
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workspace->work_areas = NULL;
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workspace->work_areas_invalid = TRUE;
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workspace->all_work_areas.x = 0;
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workspace->all_work_areas.y = 0;
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workspace->all_work_areas.width = 0;
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workspace->all_work_areas.height = 0;
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workspace->left_struts = NULL;
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workspace->right_struts = NULL;
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workspace->top_struts = NULL;
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workspace->bottom_struts = NULL;
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return workspace;
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}
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void
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meta_workspace_free (MetaWorkspace *workspace)
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{
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GList *tmp;
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MetaScreen *screen;
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g_return_if_fail (workspace != workspace->screen->active_workspace);
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/* Here we assume all the windows are already on another workspace
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* as well, so they won't be "orphaned"
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*/
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tmp = workspace->windows;
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while (tmp != NULL)
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{
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GList *next;
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MetaWindow *window = tmp->data;
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next = tmp->next;
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/* pop front of list we're iterating over */
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meta_workspace_remove_window (workspace, window);
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g_assert (window->workspaces != NULL);
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tmp = next;
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}
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g_assert (workspace->windows == NULL);
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screen = workspace->screen;
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workspace->screen->workspaces =
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g_list_remove (workspace->screen->workspaces, workspace);
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g_free (workspace->work_areas);
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g_slist_free (workspace->left_struts);
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g_slist_free (workspace->right_struts);
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g_slist_free (workspace->top_struts);
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g_slist_free (workspace->bottom_struts);
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g_free (workspace);
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/* don't bother to reset names, pagers can just ignore
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* extra ones
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*/
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}
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void
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meta_workspace_add_window (MetaWorkspace *workspace,
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MetaWindow *window)
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{
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g_return_if_fail (!meta_workspace_contains_window (workspace, window));
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workspace->windows = g_list_prepend (workspace->windows, window);
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window->workspaces = g_list_prepend (window->workspaces, workspace);
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meta_window_set_current_workspace_hint (window);
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meta_window_queue_calc_showing (window);
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if (window->struts)
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{
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meta_topic (META_DEBUG_WORKAREA,
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"Invalidating work area of workspace %d since we're adding window %s to it\n",
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meta_workspace_index (workspace), window->desc);
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meta_workspace_invalidate_work_area (workspace);
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}
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/* queue a move_resize since changing workspaces may change
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* the relevant struts
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*/
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meta_window_queue_move_resize (window);
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}
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void
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meta_workspace_remove_window (MetaWorkspace *workspace,
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MetaWindow *window)
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{
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g_return_if_fail (meta_workspace_contains_window (workspace, window));
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workspace->windows = g_list_remove (workspace->windows, window);
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window->workspaces = g_list_remove (window->workspaces, workspace);
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meta_window_set_current_workspace_hint (window);
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meta_window_queue_calc_showing (window);
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if (window->struts)
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{
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meta_topic (META_DEBUG_WORKAREA,
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"Invalidating work area of workspace %d since we're removing window %s from it\n",
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meta_workspace_index (workspace), window->desc);
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meta_workspace_invalidate_work_area (workspace);
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}
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/* queue a move_resize since changing workspaces may change
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* the relevant struts
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*/
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meta_window_queue_move_resize (window);
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}
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void
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meta_workspace_relocate_windows (MetaWorkspace *workspace,
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MetaWorkspace *new_home)
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{
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GList *tmp;
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GList *copy;
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g_return_if_fail (workspace != new_home);
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/* can't modify list we're iterating over */
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copy = g_list_copy (workspace->windows);
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tmp = copy;
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while (tmp != NULL)
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{
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MetaWindow *window = tmp->data;
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meta_workspace_add_window (new_home, window);
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meta_workspace_remove_window (workspace, window);
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tmp = tmp->next;
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}
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g_list_free (copy);
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g_assert (workspace->windows == NULL);
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}
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gboolean
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meta_workspace_contains_window (MetaWorkspace *workspace,
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MetaWindow *window)
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{
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return g_list_find (workspace->windows, window) != NULL;
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}
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void
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meta_workspace_queue_calc_showing (MetaWorkspace *workspace)
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{
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GList *tmp;
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tmp = workspace->windows;
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while (tmp != NULL)
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{
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meta_window_queue_calc_showing (tmp->data);
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tmp = tmp->next;
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}
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}
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void
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meta_workspace_activate_with_focus (MetaWorkspace *workspace,
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MetaWindow *focus_this)
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{
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MetaWorkspace *old;
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meta_verbose ("Activating workspace %d\n",
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meta_workspace_index (workspace));
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if (workspace->screen->active_workspace == workspace)
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return;
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old = workspace->screen->active_workspace;
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workspace->screen->active_workspace = workspace;
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set_active_space_hint (workspace->screen);
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if (old == NULL)
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return;
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meta_workspace_queue_calc_showing (old);
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meta_workspace_queue_calc_showing (workspace);
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if (focus_this)
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{
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meta_window_focus (focus_this,
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meta_display_get_current_time (focus_this->display));
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meta_window_raise (focus_this);
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}
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else
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{
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meta_topic (META_DEBUG_FOCUS, "Focusing default window on new workspace\n");
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meta_screen_focus_default_window (workspace->screen, NULL);
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}
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}
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void
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meta_workspace_activate (MetaWorkspace *workspace)
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{
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meta_workspace_activate_with_focus (workspace,
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NULL);
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}
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int
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meta_workspace_index (MetaWorkspace *workspace)
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{
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GList *tmp;
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int i;
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i = 0;
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tmp = workspace->screen->workspaces;
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while (tmp != NULL)
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{
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if (tmp->data == workspace)
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return i;
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++i;
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tmp = tmp->next;
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}
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meta_bug ("Workspace does not exist to index!\n");
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return -1; /* compiler warnings */
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}
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/* get windows contained on workspace, including workspace->windows
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* and also sticky windows.
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*/
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GList*
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meta_workspace_list_windows (MetaWorkspace *workspace)
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{
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GSList *display_windows;
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GSList *tmp;
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GList *workspace_windows;
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display_windows = meta_display_list_windows (workspace->screen->display);
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workspace_windows = NULL;
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tmp = display_windows;
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while (tmp != NULL)
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{
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MetaWindow *window = tmp->data;
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if (meta_window_visible_on_workspace (window, workspace))
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workspace_windows = g_list_prepend (workspace_windows,
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window);
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tmp = tmp->next;
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}
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g_slist_free (display_windows);
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return workspace_windows;
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}
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static void
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set_active_space_hint (MetaScreen *screen)
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{
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unsigned long data[1];
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/* this is because we destroy the spaces in order,
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* so we always end up setting a current desktop of
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* 0 when closing a screen, so lose the current desktop
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* on restart. By doing this we keep the current
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* desktop on restart.
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*/
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if (screen->closing > 0)
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return;
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data[0] = meta_workspace_index (screen->active_workspace);
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meta_verbose ("Setting _NET_CURRENT_DESKTOP to %ld\n", data[0]);
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meta_error_trap_push (screen->display);
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XChangeProperty (screen->display->xdisplay, screen->xroot,
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screen->display->atom_net_current_desktop,
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XA_CARDINAL,
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32, PropModeReplace, (guchar*) data, 1);
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meta_error_trap_pop (screen->display, FALSE);
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}
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void
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meta_workspace_invalidate_work_area (MetaWorkspace *workspace)
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{
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GList *tmp;
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GList *windows;
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if (workspace->work_areas_invalid)
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{
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meta_topic (META_DEBUG_WORKAREA,
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"Work area for workspace %d is already invalid\n",
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meta_workspace_index (workspace));
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return;
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}
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meta_topic (META_DEBUG_WORKAREA,
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"Invalidating work area for workspace %d\n",
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meta_workspace_index (workspace));
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g_free (workspace->work_areas);
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workspace->work_areas = NULL;
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workspace->work_areas_invalid = TRUE;
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/* redo the size/position constraints on all windows */
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windows = meta_workspace_list_windows (workspace);
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tmp = windows;
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while (tmp != NULL)
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{
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MetaWindow *w = tmp->data;
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meta_window_queue_move_resize (w);
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tmp = tmp->next;
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}
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g_list_free (windows);
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meta_screen_queue_workarea_recalc (workspace->screen);
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}
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static void
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ensure_work_areas_validated (MetaWorkspace *workspace)
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{
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int left_strut = 0;
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int right_strut = 0;
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int top_strut = 0;
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int bottom_strut = 0;
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int all_left_strut = 0;
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int all_right_strut = 0;
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int all_top_strut = 0;
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int all_bottom_strut = 0;
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int i;
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GList *tmp;
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GList *windows;
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if (!workspace->work_areas_invalid)
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return;
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g_slist_free (workspace->left_struts);
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workspace->left_struts = NULL;
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g_slist_free (workspace->right_struts);
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workspace->right_struts = NULL;
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g_slist_free (workspace->top_struts);
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workspace->top_struts = NULL;
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g_slist_free (workspace->bottom_struts);
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workspace->bottom_struts = NULL;
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windows = meta_workspace_list_windows (workspace);
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g_free (workspace->work_areas);
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workspace->work_areas = g_new (MetaRectangle,
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workspace->screen->n_xinerama_infos);
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i = 0;
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while (i < workspace->screen->n_xinerama_infos)
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{
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left_strut = 0;
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right_strut = 0;
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top_strut = 0;
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bottom_strut = 0;
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tmp = windows;
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while (tmp != NULL)
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{
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MetaWindow *w = tmp->data;
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if (w->struts)
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{
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meta_topic (META_DEBUG_WORKAREA,
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"Merging win %s with %d %d %d %d "
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"with %d %d %d %d\n",
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w->desc,
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w->struts->left.width, w->struts->right.width,
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w->struts->top.height, w->struts->bottom.height,
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left_strut, right_strut,
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top_strut, bottom_strut);
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if ((i == 0) && (w->struts->left.width > 0))
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{
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workspace->left_struts = g_slist_prepend (workspace->left_struts,
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&w->struts->left);
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}
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if (meta_screen_rect_intersects_xinerama (w->screen,
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&w->struts->left,
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i))
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{
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left_strut = MAX (left_strut,
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w->struts->left.width -
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workspace->screen->xinerama_infos[i].x_origin);
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all_left_strut = MAX (all_left_strut, w->struts->left.width);
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}
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if ((i == 0) && (w->struts->right.width > 0))
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{
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workspace->right_struts = g_slist_prepend (workspace->right_struts,
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&w->struts->right);
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}
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if (meta_screen_rect_intersects_xinerama (w->screen,
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&w->struts->right,
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i))
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{
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right_strut = MAX (right_strut, w->struts->right.width);
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all_right_strut = MAX (all_right_strut, w->struts->right.width);
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}
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if ((i == 0) && (w->struts->top.height > 0))
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{
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workspace->top_struts = g_slist_prepend (workspace->top_struts,
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&w->struts->top);
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}
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if (meta_screen_rect_intersects_xinerama (w->screen,
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&w->struts->top,
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i))
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{
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top_strut = MAX (top_strut,
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w->struts->top.height -
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workspace->screen->xinerama_infos[i].y_origin);
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all_top_strut = MAX (all_top_strut, w->struts->top.height);
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}
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if ((i == 0) && (w->struts->bottom.height > 0))
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{
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workspace->bottom_struts = g_slist_prepend (workspace->bottom_struts,
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&w->struts->bottom);
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}
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if (meta_screen_rect_intersects_xinerama (w->screen,
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&w->struts->bottom,
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i))
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{
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bottom_strut = MAX (bottom_strut, w->struts->bottom.height);
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all_bottom_strut = MAX (all_bottom_strut, w->struts->bottom.height);
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}
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}
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tmp = tmp->next;
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}
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/* Some paranoid robustness */
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#define MIN_SANE_AREA 100
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if ((left_strut + right_strut) >
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(workspace->screen->xinerama_infos[i].width - MIN_SANE_AREA))
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{
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meta_topic (META_DEBUG_WORKAREA,
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"Making left/right struts %d %d sane xinerama %d\n",
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left_strut, right_strut, i);
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left_strut = (workspace->screen->xinerama_infos[i].width -
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MIN_SANE_AREA) / 2;
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right_strut = left_strut;
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}
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if ((top_strut + bottom_strut) >
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(workspace->screen->xinerama_infos[i].height - MIN_SANE_AREA))
|
|
{
|
|
meta_topic (META_DEBUG_WORKAREA,
|
|
"Making top/bottom struts %d %d sane xinerama %d\n",
|
|
top_strut, bottom_strut, i);
|
|
top_strut = (workspace->screen->xinerama_infos[i].height -
|
|
MIN_SANE_AREA) / 2;
|
|
bottom_strut = top_strut;
|
|
}
|
|
|
|
workspace->work_areas[i].x =
|
|
left_strut + workspace->screen->xinerama_infos[i].x_origin;
|
|
workspace->work_areas[i].y = top_strut +
|
|
workspace->screen->xinerama_infos[i].y_origin;
|
|
workspace->work_areas[i].width =
|
|
workspace->screen->xinerama_infos[i].width -
|
|
left_strut - right_strut;
|
|
workspace->work_areas[i].height =
|
|
workspace->screen->xinerama_infos[i].height -
|
|
top_strut - bottom_strut;
|
|
|
|
meta_topic (META_DEBUG_WORKAREA,
|
|
"Computed work area for workspace %d "
|
|
"xinerama %d: %d,%d %d x %d\n",
|
|
meta_workspace_index (workspace),
|
|
i,
|
|
workspace->work_areas[i].x,
|
|
workspace->work_areas[i].y,
|
|
workspace->work_areas[i].width,
|
|
workspace->work_areas[i].height);
|
|
|
|
++i;
|
|
}
|
|
|
|
g_list_free (windows);
|
|
|
|
if ((all_left_strut + all_right_strut) >
|
|
(workspace->screen->width - MIN_SANE_AREA))
|
|
{
|
|
meta_topic (META_DEBUG_WORKAREA,
|
|
"Making screen-wide left/right struts %d %d sane\n",
|
|
all_left_strut, all_right_strut);
|
|
all_left_strut = (workspace->screen->width - MIN_SANE_AREA) / 2;
|
|
all_right_strut = all_left_strut;
|
|
}
|
|
|
|
if ((all_top_strut + all_bottom_strut) >
|
|
(workspace->screen->height - MIN_SANE_AREA))
|
|
{
|
|
meta_topic (META_DEBUG_WORKAREA,
|
|
"Making top/bottom struts %d %d sane\n",
|
|
all_top_strut, all_bottom_strut);
|
|
all_top_strut = (workspace->screen->height - MIN_SANE_AREA) / 2;
|
|
all_bottom_strut = all_top_strut;
|
|
}
|
|
|
|
workspace->all_work_areas.x = all_left_strut;
|
|
workspace->all_work_areas.y = all_top_strut;
|
|
workspace->all_work_areas.width =
|
|
workspace->screen->width - all_left_strut - all_right_strut;
|
|
workspace->all_work_areas.height =
|
|
workspace->screen->height - all_top_strut - all_bottom_strut;
|
|
|
|
workspace->work_areas_invalid = FALSE;
|
|
|
|
meta_topic (META_DEBUG_WORKAREA,
|
|
"Computed work area for workspace %d: %d,%d %d x %d\n",
|
|
meta_workspace_index (workspace),
|
|
workspace->all_work_areas.x,
|
|
workspace->all_work_areas.y,
|
|
workspace->all_work_areas.width,
|
|
workspace->all_work_areas.height);
|
|
}
|
|
|
|
void
|
|
meta_workspace_get_work_area_for_xinerama (MetaWorkspace *workspace,
|
|
int which_xinerama,
|
|
MetaRectangle *area)
|
|
{
|
|
g_assert (which_xinerama >= 0);
|
|
|
|
ensure_work_areas_validated (workspace);
|
|
g_assert (which_xinerama < workspace->screen->n_xinerama_infos);
|
|
|
|
*area = workspace->work_areas[which_xinerama];
|
|
}
|
|
|
|
void
|
|
meta_workspace_get_work_area_all_xineramas (MetaWorkspace *workspace,
|
|
MetaRectangle *area)
|
|
{
|
|
ensure_work_areas_validated (workspace);
|
|
|
|
*area = workspace->all_work_areas;
|
|
}
|
|
|
|
#ifdef WITH_VERBOSE_MODE
|
|
static char *
|
|
meta_motion_direction_to_string (MetaMotionDirection direction)
|
|
{
|
|
switch (direction)
|
|
{
|
|
case META_MOTION_UP:
|
|
return "Up";
|
|
case META_MOTION_DOWN:
|
|
return "Down";
|
|
case META_MOTION_LEFT:
|
|
return "Left";
|
|
case META_MOTION_RIGHT:
|
|
return "Right";
|
|
}
|
|
|
|
return "Unknown";
|
|
}
|
|
#endif /* WITH_VERBOSE_MODE */
|
|
|
|
MetaWorkspace*
|
|
meta_workspace_get_neighbor (MetaWorkspace *workspace,
|
|
MetaMotionDirection direction)
|
|
{
|
|
MetaWorkspaceLayout layout;
|
|
int i, current_space, num_workspaces;
|
|
|
|
current_space = meta_workspace_index (workspace);
|
|
num_workspaces = meta_screen_get_n_workspaces (workspace->screen);
|
|
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
|
|
current_space, &layout);
|
|
|
|
meta_verbose ("Getting neighbor of %d in direction %s\n",
|
|
current_space, meta_motion_direction_to_string (direction));
|
|
|
|
switch (direction)
|
|
{
|
|
case META_MOTION_LEFT:
|
|
layout.current_col -= 1;
|
|
break;
|
|
case META_MOTION_RIGHT:
|
|
layout.current_col += 1;
|
|
break;
|
|
case META_MOTION_UP:
|
|
layout.current_row -= 1;
|
|
break;
|
|
case META_MOTION_DOWN:
|
|
layout.current_row += 1;
|
|
break;
|
|
}
|
|
|
|
if (layout.current_col < 0)
|
|
layout.current_col = 0;
|
|
if (layout.current_col >= layout.cols)
|
|
layout.current_col = layout.cols - 1;
|
|
if (layout.current_row < 0)
|
|
layout.current_row = 0;
|
|
if (layout.current_row >= layout.rows)
|
|
layout.current_row = layout.rows - 1;
|
|
|
|
i = layout.grid[layout.current_row * layout.cols + layout.current_col];
|
|
|
|
if (i < 0)
|
|
i = current_space;
|
|
|
|
if (i >= num_workspaces)
|
|
meta_bug ("calc_workspace_layout left an invalid (too-high) workspace number %d in the grid\n",
|
|
i);
|
|
|
|
meta_verbose ("Neighbor workspace is %d at row %d col %d\n",
|
|
i, layout.current_row, layout.current_col);
|
|
|
|
meta_screen_free_workspace_layout (&layout);
|
|
|
|
return meta_screen_get_workspace_by_index (workspace->screen, i);
|
|
}
|
|
|
|
const char*
|
|
meta_workspace_get_name (MetaWorkspace *workspace)
|
|
{
|
|
return meta_prefs_get_workspace_name (meta_workspace_index (workspace));
|
|
}
|