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authorPerberos <[email protected]>2011-12-01 23:52:01 -0300
committerPerberos <[email protected]>2011-12-01 23:52:01 -0300
commit28a029a4990d2a84f9d6a0b890eba812ea503998 (patch)
tree7a69477d0dd6bf351801fa9698d95224e4fe47b6 /src/core/workspace.c
downloadmarco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.bz2
marco-28a029a4990d2a84f9d6a0b890eba812ea503998.tar.xz
moving from https://github.com/perberos/mate-desktop-environment
Diffstat (limited to 'src/core/workspace.c')
-rw-r--r--src/core/workspace.c1038
1 files changed, 1038 insertions, 0 deletions
diff --git a/src/core/workspace.c b/src/core/workspace.c
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+++ b/src/core/workspace.c
@@ -0,0 +1,1038 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco Workspaces */
+
+/*
+ * Copyright (C) 2001 Havoc Pennington
+ * Copyright (C) 2003 Rob Adams
+ * Copyright (C) 2004, 2005 Elijah Newren
+ *
+ * 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 <config.h>
+#include "workspace.h"
+#include "errors.h"
+#include "prefs.h"
+#include <X11/Xatom.h>
+#include <string.h>
+#include <canberra-gtk.h>
+
+void meta_workspace_queue_calc_showing (MetaWorkspace *workspace);
+static void set_active_space_hint (MetaScreen *screen);
+static void focus_ancestor_or_mru_window (MetaWorkspace *workspace,
+ MetaWindow *not_this_one,
+ guint32 timestamp);
+static void free_this (gpointer candidate,
+ gpointer dummy);
+static void workspace_free_struts (MetaWorkspace *workspace);
+
+static void
+maybe_add_to_list (MetaScreen *screen, MetaWindow *window, gpointer data)
+{
+ GList **mru_list = data;
+
+ if (window->on_all_workspaces)
+ *mru_list = g_list_prepend (*mru_list, window);
+}
+
+MetaWorkspace*
+meta_workspace_new (MetaScreen *screen)
+{
+ MetaWorkspace *workspace;
+
+ workspace = g_new (MetaWorkspace, 1);
+
+ workspace->screen = screen;
+ workspace->screen->workspaces =
+ g_list_append (workspace->screen->workspaces, workspace);
+ workspace->windows = NULL;
+ workspace->mru_list = NULL;
+ meta_screen_foreach_window (screen, maybe_add_to_list, &workspace->mru_list);
+
+ workspace->work_areas_invalid = TRUE;
+ workspace->work_area_xinerama = NULL;
+ workspace->work_area_screen.x = 0;
+ workspace->work_area_screen.y = 0;
+ workspace->work_area_screen.width = 0;
+ workspace->work_area_screen.height = 0;
+
+ workspace->screen_region = NULL;
+ workspace->xinerama_region = NULL;
+ workspace->screen_edges = NULL;
+ workspace->xinerama_edges = NULL;
+ workspace->list_containing_self = g_list_prepend (NULL, workspace);
+
+ workspace->all_struts = NULL;
+
+ workspace->showing_desktop = FALSE;
+
+ return workspace;
+}
+
+/** Foreach function for workspace_free_struts() */
+static void
+free_this (gpointer candidate, gpointer dummy)
+{
+ g_free (candidate);
+}
+
+/**
+ * Frees the struts list of a workspace.
+ *
+ * \param workspace The workspace.
+ */
+static void
+workspace_free_struts (MetaWorkspace *workspace)
+{
+ if (workspace->all_struts == NULL)
+ return;
+
+ g_slist_foreach (workspace->all_struts, free_this, NULL);
+ g_slist_free (workspace->all_struts);
+ workspace->all_struts = NULL;
+}
+
+void
+meta_workspace_free (MetaWorkspace *workspace)
+{
+ GList *tmp;
+ MetaScreen *screen;
+ int i;
+
+ g_return_if_fail (workspace != workspace->screen->active_workspace);
+
+ /* Here we assume all the windows are already on another workspace
+ * as well, so they won't be "orphaned"
+ */
+
+ tmp = workspace->windows;
+ while (tmp != NULL)
+ {
+ GList *next;
+ MetaWindow *window = tmp->data;
+ next = tmp->next;
+
+ /* pop front of list we're iterating over */
+ meta_workspace_remove_window (workspace, window);
+ g_assert (window->workspace != NULL);
+
+ tmp = next;
+ }
+
+ g_assert (workspace->windows == NULL);
+
+ screen = workspace->screen;
+
+ workspace->screen->workspaces =
+ g_list_remove (workspace->screen->workspaces, workspace);
+
+ g_free (workspace->work_area_xinerama);
+
+ g_list_free (workspace->mru_list);
+ g_list_free (workspace->list_containing_self);
+
+ /* screen.c:update_num_workspaces(), which calls us, removes windows from
+ * workspaces first, which can cause the workareas on the workspace to be
+ * invalidated (and hence for struts/regions/edges to be freed).
+ * So, no point trying to double free it; that causes a crash
+ * anyway. #361804.
+ */
+
+ if (!workspace->work_areas_invalid)
+ {
+ workspace_free_struts (workspace);
+ for (i = 0; i < screen->n_xinerama_infos; i++)
+ meta_rectangle_free_list_and_elements (workspace->xinerama_region[i]);
+ g_free (workspace->xinerama_region);
+ meta_rectangle_free_list_and_elements (workspace->screen_region);
+ meta_rectangle_free_list_and_elements (workspace->screen_edges);
+ meta_rectangle_free_list_and_elements (workspace->xinerama_edges);
+ }
+
+ g_free (workspace);
+
+ /* don't bother to reset names, pagers can just ignore
+ * extra ones
+ */
+}
+
+void
+meta_workspace_add_window (MetaWorkspace *workspace,
+ MetaWindow *window)
+{
+ g_return_if_fail (window->workspace == NULL);
+
+ /* If the window is on all workspaces, we want to add it to all mru
+ * lists, otherwise just add it to this workspaces mru list
+ */
+ if (window->on_all_workspaces)
+ {
+ if (window->workspace == NULL)
+ {
+ GList* tmp = window->screen->workspaces;
+ while (tmp)
+ {
+ MetaWorkspace* work = (MetaWorkspace*) tmp->data;
+ if (!g_list_find (work->mru_list, window))
+ work->mru_list = g_list_prepend (work->mru_list, window);
+
+ tmp = tmp->next;
+ }
+ }
+ }
+ else
+ {
+ g_assert (g_list_find (workspace->mru_list, window) == NULL);
+ workspace->mru_list = g_list_prepend (workspace->mru_list, window);
+ }
+
+ workspace->windows = g_list_prepend (workspace->windows, window);
+ window->workspace = workspace;
+
+ meta_window_set_current_workspace_hint (window);
+
+ if (window->struts)
+ {
+ meta_topic (META_DEBUG_WORKAREA,
+ "Invalidating work area of workspace %d since we're adding window %s to it\n",
+ meta_workspace_index (workspace), window->desc);
+ meta_workspace_invalidate_work_area (workspace);
+ }
+
+ /* queue a move_resize since changing workspaces may change
+ * the relevant struts
+ */
+ meta_window_queue (window, META_QUEUE_CALC_SHOWING|META_QUEUE_MOVE_RESIZE);
+}
+
+void
+meta_workspace_remove_window (MetaWorkspace *workspace,
+ MetaWindow *window)
+{
+ g_return_if_fail (window->workspace == workspace);
+
+ workspace->windows = g_list_remove (workspace->windows, window);
+ window->workspace = NULL;
+
+ /* If the window is on all workspaces, we don't want to remove it
+ * from the MRU list unless this causes it to be removed from all
+ * workspaces
+ */
+ if (window->on_all_workspaces)
+ {
+ GList* tmp = window->screen->workspaces;
+ while (tmp)
+ {
+ MetaWorkspace* work = (MetaWorkspace*) tmp->data;
+ work->mru_list = g_list_remove (work->mru_list, window);
+
+ tmp = tmp->next;
+ }
+ }
+ else
+ {
+ workspace->mru_list = g_list_remove (workspace->mru_list, window);
+ g_assert (g_list_find (workspace->mru_list, window) == NULL);
+ }
+
+ meta_window_set_current_workspace_hint (window);
+
+ if (window->struts)
+ {
+ meta_topic (META_DEBUG_WORKAREA,
+ "Invalidating work area of workspace %d since we're removing window %s from it\n",
+ meta_workspace_index (workspace), window->desc);
+ meta_workspace_invalidate_work_area (workspace);
+ }
+
+ /* queue a move_resize since changing workspaces may change
+ * the relevant struts
+ */
+ meta_window_queue (window, META_QUEUE_CALC_SHOWING|META_QUEUE_MOVE_RESIZE);
+}
+
+void
+meta_workspace_relocate_windows (MetaWorkspace *workspace,
+ MetaWorkspace *new_home)
+{
+ GList *tmp;
+ GList *copy;
+
+ g_return_if_fail (workspace != new_home);
+
+ /* can't modify list we're iterating over */
+ copy = g_list_copy (workspace->windows);
+
+ tmp = copy;
+ while (tmp != NULL)
+ {
+ MetaWindow *window = tmp->data;
+
+ meta_workspace_remove_window (workspace, window);
+ meta_workspace_add_window (new_home, window);
+
+ tmp = tmp->next;
+ }
+
+ g_list_free (copy);
+
+ g_assert (workspace->windows == NULL);
+}
+
+void
+meta_workspace_queue_calc_showing (MetaWorkspace *workspace)
+{
+ GList *tmp;
+
+ tmp = workspace->windows;
+ while (tmp != NULL)
+ {
+ meta_window_queue (tmp->data, META_QUEUE_CALC_SHOWING);
+
+ tmp = tmp->next;
+ }
+}
+
+static void workspace_switch_sound(MetaWorkspace *from,
+ MetaWorkspace *to) {
+
+ MetaWorkspaceLayout layout;
+ int i, nw, x, y, fi, ti;
+ const char *e;
+
+ nw = meta_screen_get_n_workspaces(from->screen);
+ fi = meta_workspace_index(from);
+ ti = meta_workspace_index(to);
+
+ meta_screen_calc_workspace_layout(from->screen,
+ nw,
+ fi,
+ &layout);
+
+ for (i = 0; i < nw; i++)
+ if (layout.grid[i] == ti)
+ break;
+
+ if (i >= nw) {
+ meta_bug("Failed to find destination workspace in layout\n");
+ goto finish;
+ }
+
+ y = i / layout.cols;
+ x = i % layout.cols;
+
+ /* We priorize horizontal over vertical movements here. The
+ rationale for this is that horizontal movements are probably more
+ interesting for sound effects because speakers are usually
+ positioned on a horizontal and not a vertical axis. i.e. your
+ spatial "Woosh!" effects will easily be able to encode horizontal
+ movement but not such much vertical movement. */
+
+ if (x < layout.current_col)
+ e = "desktop-switch-left";
+ else if (x > layout.current_col)
+ e = "desktop-switch-right";
+ else if (y < layout.current_row)
+ e = "desktop-switch-up";
+ else if (y > layout.current_row)
+ e = "desktop-switch-down";
+ else {
+ meta_bug("Uh, origin and destination workspace at same logic position!\n");
+ goto finish;
+ }
+
+ ca_context_play(ca_gtk_context_get(), 1,
+ CA_PROP_EVENT_ID, e,
+ CA_PROP_EVENT_DESCRIPTION, "Desktop switched",
+ CA_PROP_CANBERRA_CACHE_CONTROL, "permanent",
+ NULL);
+
+ finish:
+ meta_screen_free_workspace_layout (&layout);
+}
+
+void
+meta_workspace_activate_with_focus (MetaWorkspace *workspace,
+ MetaWindow *focus_this,
+ guint32 timestamp)
+{
+ MetaWorkspace *old;
+ MetaWindow *move_window;
+
+ meta_verbose ("Activating workspace %d\n",
+ meta_workspace_index (workspace));
+
+ if (workspace->screen->active_workspace == workspace)
+ return;
+
+ if (workspace->screen->active_workspace)
+ workspace_switch_sound(workspace->screen->active_workspace, workspace);
+
+ /* Note that old can be NULL; e.g. when starting up */
+ old = workspace->screen->active_workspace;
+
+ workspace->screen->active_workspace = workspace;
+
+ set_active_space_hint (workspace->screen);
+
+ /* If the "show desktop" mode is active for either the old workspace
+ * or the new one *but not both*, then update the
+ * _net_showing_desktop hint
+ */
+ if (old && (old->showing_desktop ^ workspace->showing_desktop))
+ meta_screen_update_showing_desktop_hint (workspace->screen);
+
+ if (old == NULL)
+ return;
+
+ move_window = NULL;
+ if (workspace->screen->display->grab_op == META_GRAB_OP_MOVING ||
+ workspace->screen->display->grab_op == META_GRAB_OP_KEYBOARD_MOVING)
+ move_window = workspace->screen->display->grab_window;
+
+ if (move_window != NULL)
+ {
+ if (move_window->on_all_workspaces)
+ move_window = NULL; /* don't move it after all */
+
+ /* We put the window on the new workspace, flip spaces,
+ * then remove from old workspace, so the window
+ * never gets unmapped and we maintain the button grab
+ * on it.
+ *
+ * \bug This comment appears to be the reverse of what happens
+ */
+ if (move_window && (move_window->workspace != workspace))
+ {
+ meta_workspace_remove_window (old, move_window);
+ meta_workspace_add_window (workspace, move_window);
+ }
+ }
+
+ meta_workspace_queue_calc_showing (old);
+ meta_workspace_queue_calc_showing (workspace);
+
+ /* FIXME: Why do we need this?!? Isn't it handled in the lines above? */
+ if (move_window)
+ /* Removes window from other spaces */
+ meta_window_change_workspace (move_window, workspace);
+
+ if (focus_this)
+ {
+ meta_window_focus (focus_this, timestamp);
+ meta_window_raise (focus_this);
+ }
+ else if (move_window)
+ {
+ meta_window_raise (move_window);
+ }
+ else
+ {
+ meta_topic (META_DEBUG_FOCUS, "Focusing default window on new workspace\n");
+ meta_workspace_focus_default_window (workspace, NULL, timestamp);
+ }
+}
+
+void
+meta_workspace_activate (MetaWorkspace *workspace,
+ guint32 timestamp)
+{
+ meta_workspace_activate_with_focus (workspace, NULL, timestamp);
+}
+
+int
+meta_workspace_index (MetaWorkspace *workspace)
+{
+ int ret;
+
+ ret = g_list_index (workspace->screen->workspaces, workspace);
+
+ if (ret < 0)
+ meta_bug ("Workspace does not exist to index!\n");
+
+ return ret;
+}
+
+/* get windows contained on workspace, including workspace->windows
+ * and also sticky windows.
+ */
+GList*
+meta_workspace_list_windows (MetaWorkspace *workspace)
+{
+ GSList *display_windows;
+ GSList *tmp;
+ GList *workspace_windows;
+
+ display_windows = meta_display_list_windows (workspace->screen->display);
+
+ workspace_windows = NULL;
+ tmp = display_windows;
+ while (tmp != NULL)
+ {
+ MetaWindow *window = tmp->data;
+
+ if (meta_window_located_on_workspace (window, workspace))
+ workspace_windows = g_list_prepend (workspace_windows,
+ window);
+
+ tmp = tmp->next;
+ }
+
+ g_slist_free (display_windows);
+
+ return workspace_windows;
+}
+
+static void
+set_active_space_hint (MetaScreen *screen)
+{
+ unsigned long data[1];
+
+ /* this is because we destroy the spaces in order,
+ * so we always end up setting a current desktop of
+ * 0 when closing a screen, so lose the current desktop
+ * on restart. By doing this we keep the current
+ * desktop on restart.
+ */
+ if (screen->closing > 0)
+ return;
+
+ data[0] = meta_workspace_index (screen->active_workspace);
+
+ meta_verbose ("Setting _NET_CURRENT_DESKTOP to %lu\n", data[0]);
+
+ meta_error_trap_push (screen->display);
+ XChangeProperty (screen->display->xdisplay, screen->xroot,
+ screen->display->atom__NET_CURRENT_DESKTOP,
+ XA_CARDINAL,
+ 32, PropModeReplace, (guchar*) data, 1);
+ meta_error_trap_pop (screen->display, FALSE);
+}
+
+void
+meta_workspace_invalidate_work_area (MetaWorkspace *workspace)
+{
+ GList *tmp;
+ GList *windows;
+ int i;
+
+ if (workspace->work_areas_invalid)
+ {
+ meta_topic (META_DEBUG_WORKAREA,
+ "Work area for workspace %d is already invalid\n",
+ meta_workspace_index (workspace));
+ return;
+ }
+
+ meta_topic (META_DEBUG_WORKAREA,
+ "Invalidating work area for workspace %d\n",
+ meta_workspace_index (workspace));
+
+ g_free (workspace->work_area_xinerama);
+ workspace->work_area_xinerama = NULL;
+
+ workspace_free_struts (workspace);
+
+ for (i = 0; i < workspace->screen->n_xinerama_infos; i++)
+ meta_rectangle_free_list_and_elements (workspace->xinerama_region[i]);
+ g_free (workspace->xinerama_region);
+ meta_rectangle_free_list_and_elements (workspace->screen_region);
+ meta_rectangle_free_list_and_elements (workspace->screen_edges);
+ meta_rectangle_free_list_and_elements (workspace->xinerama_edges);
+ workspace->xinerama_region = NULL;
+ workspace->screen_region = NULL;
+ workspace->screen_edges = NULL;
+ workspace->xinerama_edges = NULL;
+
+ workspace->work_areas_invalid = TRUE;
+
+ /* redo the size/position constraints on all windows */
+ windows = meta_workspace_list_windows (workspace);
+ tmp = windows;
+ while (tmp != NULL)
+ {
+ MetaWindow *w = tmp->data;
+
+ meta_window_queue (w, META_QUEUE_MOVE_RESIZE);
+
+ tmp = tmp->next;
+ }
+
+ g_list_free (windows);
+
+ meta_screen_queue_workarea_recalc (workspace->screen);
+}
+
+static void
+ensure_work_areas_validated (MetaWorkspace *workspace)
+{
+ GList *windows;
+ GList *tmp;
+ MetaRectangle work_area;
+ int i; /* C89 absolutely sucks... */
+
+ if (!workspace->work_areas_invalid)
+ return;
+
+ g_assert (workspace->all_struts == NULL);
+ g_assert (workspace->xinerama_region == NULL);
+ g_assert (workspace->screen_region == NULL);
+ g_assert (workspace->screen_edges == NULL);
+ g_assert (workspace->xinerama_edges == NULL);
+
+ /* STEP 1: Get the list of struts */
+ windows = meta_workspace_list_windows (workspace);
+ for (tmp = windows; tmp != NULL; tmp = tmp->next)
+ {
+ MetaWindow *win = tmp->data;
+ GSList *s_iter;
+
+ for (s_iter = win->struts; s_iter != NULL; s_iter = s_iter->next) {
+ MetaStrut *cpy = g_new (MetaStrut, 1);
+ *cpy = *((MetaStrut *)s_iter->data);
+ workspace->all_struts = g_slist_prepend (workspace->all_struts,
+ cpy);
+ }
+ }
+ g_list_free (windows);
+
+ /* STEP 2: Get the maximal/spanning rects for the onscreen and
+ * on-single-xinerama regions
+ */
+ g_assert (workspace->xinerama_region == NULL);
+ g_assert (workspace->screen_region == NULL);
+
+ workspace->xinerama_region = g_new (GList*,
+ workspace->screen->n_xinerama_infos);
+ for (i = 0; i < workspace->screen->n_xinerama_infos; i++)
+ {
+ workspace->xinerama_region[i] =
+ meta_rectangle_get_minimal_spanning_set_for_region (
+ &workspace->screen->xinerama_infos[i].rect,
+ workspace->all_struts);
+ }
+ workspace->screen_region =
+ meta_rectangle_get_minimal_spanning_set_for_region (
+ &workspace->screen->rect,
+ workspace->all_struts);
+
+ /* STEP 3: Get the work areas (region-to-maximize-to) for the screen and
+ * xineramas.
+ */
+ work_area = workspace->screen->rect; /* start with the screen */
+ if (workspace->screen_region == NULL)
+ work_area = meta_rect (0, 0, -1, -1);
+ else
+ meta_rectangle_clip_to_region (workspace->screen_region,
+ FIXED_DIRECTION_NONE,
+ &work_area);
+
+ /* Lots of paranoia checks, forcing work_area_screen to be sane */
+#define MIN_SANE_AREA 100
+ if (work_area.width < MIN_SANE_AREA)
+ {
+ meta_warning ("struts occupy an unusually large percentage of the screen; "
+ "available remaining width = %d < %d",
+ work_area.width, MIN_SANE_AREA);
+ if (work_area.width < 1)
+ {
+ work_area.x = (workspace->screen->rect.width - MIN_SANE_AREA)/2;
+ work_area.width = MIN_SANE_AREA;
+ }
+ else
+ {
+ int amount = (MIN_SANE_AREA - work_area.width)/2;
+ work_area.x -= amount;
+ work_area.width += 2*amount;
+ }
+ }
+ if (work_area.height < MIN_SANE_AREA)
+ {
+ meta_warning ("struts occupy an unusually large percentage of the screen; "
+ "available remaining height = %d < %d",
+ work_area.height, MIN_SANE_AREA);
+ if (work_area.height < 1)
+ {
+ work_area.y = (workspace->screen->rect.height - MIN_SANE_AREA)/2;
+ work_area.height = MIN_SANE_AREA;
+ }
+ else
+ {
+ int amount = (MIN_SANE_AREA - work_area.height)/2;
+ work_area.y -= amount;
+ work_area.height += 2*amount;
+ }
+ }
+ workspace->work_area_screen = work_area;
+ meta_topic (META_DEBUG_WORKAREA,
+ "Computed work area for workspace %d: %d,%d %d x %d\n",
+ meta_workspace_index (workspace),
+ workspace->work_area_screen.x,
+ workspace->work_area_screen.y,
+ workspace->work_area_screen.width,
+ workspace->work_area_screen.height);
+
+ /* Now find the work areas for each xinerama */
+ g_free (workspace->work_area_xinerama);
+ workspace->work_area_xinerama = g_new (MetaRectangle,
+ workspace->screen->n_xinerama_infos);
+
+ for (i = 0; i < workspace->screen->n_xinerama_infos; i++)
+ {
+ work_area = workspace->screen->xinerama_infos[i].rect;
+
+ if (workspace->xinerama_region[i] == NULL)
+ /* FIXME: constraints.c untested with this, but it might be nice for
+ * a screen reader or magnifier.
+ */
+ work_area = meta_rect (work_area.x, work_area.y, -1, -1);
+ else
+ meta_rectangle_clip_to_region (workspace->xinerama_region[i],
+ FIXED_DIRECTION_NONE,
+ &work_area);
+
+ workspace->work_area_xinerama[i] = work_area;
+ 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_area_xinerama[i].x,
+ workspace->work_area_xinerama[i].y,
+ workspace->work_area_xinerama[i].width,
+ workspace->work_area_xinerama[i].height);
+ }
+
+ /* STEP 4: Make sure the screen_region is nonempty (separate from step 2
+ * since it relies on step 3).
+ */
+ if (workspace->screen_region == NULL)
+ {
+ MetaRectangle *nonempty_region;
+ nonempty_region = g_new (MetaRectangle, 1);
+ *nonempty_region = workspace->work_area_screen;
+ workspace->screen_region = g_list_prepend (NULL, nonempty_region);
+ }
+
+ /* STEP 5: Cache screen and xinerama edges for edge resistance and snapping */
+ g_assert (workspace->screen_edges == NULL);
+ g_assert (workspace->xinerama_edges == NULL);
+ workspace->screen_edges =
+ meta_rectangle_find_onscreen_edges (&workspace->screen->rect,
+ workspace->all_struts);
+ tmp = NULL;
+ for (i = 0; i < workspace->screen->n_xinerama_infos; i++)
+ tmp = g_list_prepend (tmp, &workspace->screen->xinerama_infos[i].rect);
+ workspace->xinerama_edges =
+ meta_rectangle_find_nonintersected_xinerama_edges (tmp,
+ workspace->all_struts);
+ g_list_free (tmp);
+
+ /* We're all done, YAAY! Record that everything has been validated. */
+ workspace->work_areas_invalid = FALSE;
+}
+
+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_area_xinerama[which_xinerama];
+}
+
+void
+meta_workspace_get_work_area_all_xineramas (MetaWorkspace *workspace,
+ MetaRectangle *area)
+{
+ ensure_work_areas_validated (workspace);
+
+ *area = workspace->work_area_screen;
+}
+
+GList*
+meta_workspace_get_onscreen_region (MetaWorkspace *workspace)
+{
+ ensure_work_areas_validated (workspace);
+
+ return workspace->screen_region;
+}
+
+GList*
+meta_workspace_get_onxinerama_region (MetaWorkspace *workspace,
+ int which_xinerama)
+{
+ ensure_work_areas_validated (workspace);
+
+ return workspace->xinerama_region[which_xinerama];
+}
+
+#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;
+ gboolean ltr;
+
+ 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));
+
+ ltr = meta_ui_get_direction() == META_UI_DIRECTION_LTR;
+
+ switch (direction)
+ {
+ case META_MOTION_LEFT:
+ layout.current_col -= ltr ? 1 : -1;
+ break;
+ case META_MOTION_RIGHT:
+ layout.current_col += ltr ? 1 : -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));
+}
+
+void
+meta_workspace_focus_default_window (MetaWorkspace *workspace,
+ MetaWindow *not_this_one,
+ guint32 timestamp)
+{
+ if (timestamp == CurrentTime)
+ {
+ meta_warning ("CurrentTime used to choose focus window; "
+ "focus window may not be correct.\n");
+ }
+
+
+ if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK ||
+ !workspace->screen->display->mouse_mode)
+ focus_ancestor_or_mru_window (workspace, not_this_one, timestamp);
+ else
+ {
+ MetaWindow * window;
+ window = meta_screen_get_mouse_window (workspace->screen, not_this_one);
+ if (window &&
+ window->type != META_WINDOW_DOCK &&
+ window->type != META_WINDOW_DESKTOP)
+ {
+ if (timestamp == CurrentTime)
+ {
+
+ /* We would like for this to never happen. However, if
+ * it does happen then we kludge since using CurrentTime
+ * can mean ugly race conditions--and we can avoid these
+ * by allowing EnterNotify events (which come with
+ * timestamps) to handle focus.
+ */
+
+ meta_topic (META_DEBUG_FOCUS,
+ "Not focusing mouse window %s because EnterNotify events should handle that\n", window->desc);
+ }
+ else
+ {
+ meta_topic (META_DEBUG_FOCUS,
+ "Focusing mouse window %s\n", window->desc);
+ meta_window_focus (window, timestamp);
+ }
+
+ if (workspace->screen->display->autoraise_window != window &&
+ meta_prefs_get_auto_raise ())
+ {
+ meta_display_queue_autoraise_callback (workspace->screen->display,
+ window);
+ }
+ }
+ else if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_SLOPPY)
+ focus_ancestor_or_mru_window (workspace, not_this_one, timestamp);
+ else if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_MOUSE)
+ {
+ meta_topic (META_DEBUG_FOCUS,
+ "Setting focus to no_focus_window, since no valid "
+ "window to focus found.\n");
+ meta_display_focus_the_no_focus_window (workspace->screen->display,
+ workspace->screen,
+ timestamp);
+ }
+ }
+}
+
+static gboolean
+record_ancestor (MetaWindow *window,
+ void *data)
+{
+ MetaWindow **result = data;
+
+ *result = window;
+ return FALSE; /* quit with the first ancestor we find */
+}
+
+/* Focus ancestor of not_this_one if there is one, otherwise focus the MRU
+ * window on active workspace
+ */
+static void
+focus_ancestor_or_mru_window (MetaWorkspace *workspace,
+ MetaWindow *not_this_one,
+ guint32 timestamp)
+{
+ MetaWindow *window = NULL;
+ MetaWindow *desktop_window = NULL;
+ GList *tmp;
+
+ if (not_this_one)
+ meta_topic (META_DEBUG_FOCUS,
+ "Focusing MRU window excluding %s\n", not_this_one->desc);
+ else
+ meta_topic (META_DEBUG_FOCUS,
+ "Focusing MRU window\n");
+
+ /* First, check to see if we need to focus an ancestor of a window */
+ if (not_this_one)
+ {
+ MetaWindow *ancestor;
+ ancestor = NULL;
+ meta_window_foreach_ancestor (not_this_one, record_ancestor, &ancestor);
+ if (ancestor != NULL)
+ {
+ meta_topic (META_DEBUG_FOCUS,
+ "Focusing %s, ancestor of %s\n",
+ ancestor->desc, not_this_one->desc);
+
+ meta_window_focus (ancestor, timestamp);
+
+ /* Also raise the window if in click-to-focus */
+ if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK)
+ meta_window_raise (ancestor);
+
+ return;
+ }
+ }
+
+ /* No ancestor, look for the MRU window */
+ tmp = workspace->mru_list;
+
+ while (tmp)
+ {
+ MetaWindow* tmp_window;
+ tmp_window = ((MetaWindow*) tmp->data);
+ if (tmp_window != not_this_one &&
+ meta_window_showing_on_its_workspace (tmp_window) &&
+ tmp_window->type != META_WINDOW_DOCK &&
+ tmp_window->type != META_WINDOW_DESKTOP)
+ {
+ window = tmp->data;
+ break;
+ }
+ else if (tmp_window != not_this_one &&
+ desktop_window == NULL &&
+ meta_window_showing_on_its_workspace (tmp_window) &&
+ tmp_window->type == META_WINDOW_DESKTOP)
+ {
+ /* Found the most recently used desktop window */
+ desktop_window = tmp_window;
+ }
+
+ tmp = tmp->next;
+ }
+
+ /* If no window was found, default to the MRU desktop-window */
+ if (window == NULL)
+ window = desktop_window;
+
+ if (window)
+ {
+ meta_topic (META_DEBUG_FOCUS,
+ "Focusing workspace MRU window %s\n", window->desc);
+
+ meta_window_focus (window, timestamp);
+
+ /* Also raise the window if in click-to-focus */
+ if (meta_prefs_get_focus_mode () == META_FOCUS_MODE_CLICK)
+ meta_window_raise (window);
+ }
+ else
+ {
+ meta_topic (META_DEBUG_FOCUS, "No MRU window to focus found; focusing no_focus_window.\n");
+ meta_display_focus_the_no_focus_window (workspace->screen->display,
+ workspace->screen,
+ timestamp);
+ }
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-12 10:24:39 +0000