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mutter-performance-source/src/core/workspace.c
Tomas Frydrych 07c1003905 Live previews for hidden windows. 
ClutterActors for hidden windows (such windows on different than active
workspaces and windows that are minimized) are available, and reflect the
actual state of the window. This is intended for use in task-switchers etc.

This feature is disabled by default (due to increased demand on resources),
and can be enabled through the metacity/general/live_hidden_windows gconf key.

A trivial sample window switcher is included in the scratch plugin (activated
by clicking on the slide out panel).
2008-10-24 10:07:24 +01:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* Metacity 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 "workspace-private.h"
#include "errors.h"
#include "prefs.h"
#ifdef HAVE_COMPOSITE_EXTENSIONS
#include "compositor.h"
#endif
#include <X11/Xatom.h>
#include <string.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)
{
if (meta_prefs_get_live_hidden_windows ())
{
/*
* When we hide rather than unmap windows, we need the show/hide
* status of the window to be recalculated *before* we call the
* compositor switch_workspace hook.
*/
meta_window_calc_showing (tmp->data);
}
else
{
meta_window_queue (tmp->data, META_QUEUE_CALC_SHOWING);
}
tmp = tmp->next;
}
}
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;
/* 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);
}
#ifdef HAVE_COMPOSITE_EXTENSIONS
{
/*
* Notify the compositor that the active workspace changed.
*/
MetaScreen *screen = workspace->screen;
MetaDisplay *display = meta_screen_get_display (screen);
MetaCompositor *comp = meta_display_get_compositor (display);
MetaWorkspaceLayout layout1, layout2;
gint num_workspaces, current_space, new_space;
MetaMotionDirection direction = 0;
current_space = meta_workspace_index (old);
new_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, &layout1);
meta_screen_calc_workspace_layout (workspace->screen, num_workspaces,
new_space, &layout2);
if (layout1.current_col < layout2.current_col)
direction = META_MOTION_RIGHT;
if (layout1.current_col > layout2.current_col)
direction = META_MOTION_LEFT;
if (layout1.current_row < layout2.current_row)
{
if (!direction)
direction = META_MOTION_DOWN;
else if (direction == META_MOTION_RIGHT)
direction = META_MOTION_DOWN_RIGHT;
else
direction = META_MOTION_DOWN_LEFT;
}
if (layout1.current_row > layout2.current_row)
{
if (!direction)
direction = META_MOTION_UP;
else if (direction == META_MOTION_RIGHT)
direction = META_MOTION_UP_RIGHT;
else
direction = META_MOTION_UP_LEFT;
}
meta_screen_free_workspace_layout (&layout1);
meta_screen_free_workspace_layout (&layout2);
meta_compositor_switch_workspace (comp, screen, old, workspace, direction);
}
#endif
}
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;
#ifdef HAVE_COMPOSITE_EXTENSIONS
{
/*
* Notify the compositor that the workspace geometry has changed.
*/
MetaScreen *screen = workspace->screen;
MetaDisplay *display = meta_screen_get_display (screen);
MetaCompositor *comp = meta_display_get_compositor (display);
meta_compositor_update_workspace_geometry (comp, workspace);
}
#endif
}
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";
case META_MOTION_UP_RIGHT:
return "Up-Right";
case META_MOTION_DOWN_RIGHT:
return "Down-Right";
case META_MOTION_UP_LEFT:
return "Up-Left";
case META_MOTION_DOWN_LEFT:
return "Down-Left";
}
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;
default:;
}
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);
}
}
MetaScreen *
meta_workspace_get_screen (MetaWorkspace *workspace)
{
return workspace->screen;
}
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