+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ screen.c for the Openbox window manager
+ Copyright (c) 2003 Ben Jansens
+
+ 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.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
+#include "debug.h"
#include "openbox.h"
+#include "dock.h"
+#include "xerror.h"
#include "prop.h"
+#include "grab.h"
+#include "startupnotify.h"
+#include "moveresize.h"
+#include "config.h"
#include "screen.h"
#include "client.h"
#include "frame.h"
-#include "engine.h"
+#include "event.h"
#include "focus.h"
-#include "dispatch.h"
-#include "../render/render.h"
+#include "popup.h"
+#include "extensions.h"
+#include "render/render.h"
#include <X11/Xlib.h>
#ifdef HAVE_UNISTD_H
# include <sys/types.h>
# include <unistd.h>
#endif
+#include <assert.h>
/*! The event mask to grab on the root window */
-#define ROOT_EVENTMASK (/*ColormapChangeMask |*/ PropertyChangeMask | \
+#define ROOT_EVENTMASK (StructureNotifyMask | PropertyChangeMask | \
EnterWindowMask | LeaveWindowMask | \
SubstructureNotifyMask | SubstructureRedirectMask | \
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
-guint screen_num_desktops = 0;
-guint screen_desktop = 0;
+guint screen_num_desktops;
+guint screen_num_monitors;
+guint screen_desktop;
+guint screen_last_desktop;
Size screen_physical_size;
gboolean screen_showing_desktop;
DesktopLayout screen_desktop_layout;
-GPtrArray *screen_desktop_names;
+char **screen_desktop_names;
+Window screen_support_win;
-static Rect *area = NULL;
-static Strut *strut = NULL;
-static Window support_window = None;
+static Rect **area; /* array of desktop holding array of xinerama areas */
+static Rect *monitor_area;
-static void screen_update_area();
+static ObPagerPopup *desktop_cycle_popup;
-static gboolean running;
-static int another_running(Display *d, XErrorEvent *e)
+static gboolean replace_wm()
{
- (void)d;(void)e;
- g_message("A window manager is already running on screen %d",
- ob_screen);
- running = TRUE;
- return -1;
+ char *wm_sn;
+ Atom wm_sn_atom;
+ Window current_wm_sn_owner;
+ Time timestamp;
+
+ wm_sn = g_strdup_printf("WM_S%d", ob_screen);
+ wm_sn_atom = XInternAtom(ob_display, wm_sn, FALSE);
+ g_free(wm_sn);
+
+ current_wm_sn_owner = XGetSelectionOwner(ob_display, wm_sn_atom);
+ if (current_wm_sn_owner) {
+ if (!ob_replace_wm) {
+ g_warning("A window manager is already running on screen %d",
+ ob_screen);
+ return FALSE;
+ }
+ xerror_set_ignore(TRUE);
+ xerror_occured = FALSE;
+
+ /* We want to find out when the current selection owner dies */
+ XSelectInput(ob_display, current_wm_sn_owner, StructureNotifyMask);
+ XSync(ob_display, FALSE);
+
+ xerror_set_ignore(FALSE);
+ if (xerror_occured)
+ current_wm_sn_owner = None;
+ }
+
+ {
+ /* Generate a timestamp */
+ XEvent event;
+
+ XSelectInput(ob_display, screen_support_win, PropertyChangeMask);
+
+ XChangeProperty(ob_display, screen_support_win,
+ prop_atoms.wm_class, prop_atoms.string,
+ 8, PropModeAppend, NULL, 0);
+ XWindowEvent(ob_display, screen_support_win,
+ PropertyChangeMask, &event);
+
+ XSelectInput(ob_display, screen_support_win, NoEventMask);
+
+ timestamp = event.xproperty.time;
+ }
+
+ XSetSelectionOwner(ob_display, wm_sn_atom, screen_support_win,
+ timestamp);
+
+ if (XGetSelectionOwner(ob_display, wm_sn_atom) != screen_support_win) {
+ g_warning("Could not acquire window manager selection on screen %d",
+ ob_screen);
+ return FALSE;
+ }
+
+ /* Wait for old window manager to go away */
+ if (current_wm_sn_owner) {
+ XEvent event;
+ gulong wait = 0;
+ const gulong timeout = G_USEC_PER_SEC * 15; /* wait for 15s max */
+
+ while (wait < timeout) {
+ if (XCheckWindowEvent(ob_display, current_wm_sn_owner,
+ StructureNotifyMask, &event) &&
+ event.type == DestroyNotify)
+ break;
+ g_usleep(G_USEC_PER_SEC / 10);
+ wait += G_USEC_PER_SEC / 10;
+ }
+
+ if (wait >= timeout) {
+ g_warning("Timeout expired while waiting for the current WM to die "
+ "on screen %d", ob_screen);
+ return FALSE;
+ }
+ }
+
+ /* Send client message indicating that we are now the WM */
+ prop_message(RootWindow(ob_display, ob_screen), prop_atoms.manager,
+ timestamp, wm_sn_atom, 0, 0, SubstructureNotifyMask);
+
+
+ return TRUE;
}
gboolean screen_annex()
{
- XErrorHandler old;
+ XSetWindowAttributes attrib;
pid_t pid;
- int i, num_support;
- Atom *supported;
-
- running = FALSE;
- old = XSetErrorHandler(another_running);
- XSelectInput(ob_display, ob_root, ROOT_EVENTMASK);
- XSync(ob_display, FALSE);
- XSetErrorHandler(old);
- if (running)
+ gint i, num_support;
+ guint32 *supported;
+
+ /* create the netwm support window */
+ attrib.override_redirect = TRUE;
+ screen_support_win = XCreateWindow(ob_display,
+ RootWindow(ob_display, ob_screen),
+ -100, -100, 1, 1, 0,
+ CopyFromParent, InputOutput,
+ CopyFromParent,
+ CWOverrideRedirect, &attrib);
+ XMapRaised(ob_display, screen_support_win);
+
+ if (!replace_wm()) {
+ XDestroyWindow(ob_display, screen_support_win);
+ return FALSE;
+ }
+
+ xerror_set_ignore(TRUE);
+ xerror_occured = FALSE;
+ XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
+ ROOT_EVENTMASK);
+ xerror_set_ignore(FALSE);
+ if (xerror_occured) {
+ g_warning("A window manager is already running on screen %d",
+ ob_screen);
+
+ XDestroyWindow(ob_display, screen_support_win);
return FALSE;
+ }
- g_message("Managing screen %d", ob_screen);
- /* set the mouse cursor for the root window (the default cursor) */
- XDefineCursor(ob_display, ob_root, ob_cursors.left_ptr);
+ screen_set_root_cursor();
/* set the OPENBOX_PID hint */
pid = getpid();
- PROP_SET32(ob_root, openbox_pid, cardinal, pid);
-
- /* create the netwm support window */
- support_window = XCreateSimpleWindow(ob_display, ob_root, 0,0,1,1,0,0,0);
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ openbox_pid, cardinal, pid);
/* set supporting window */
- PROP_SET32(ob_root, net_supporting_wm_check, window, support_window);
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ net_supporting_wm_check, window, screen_support_win);
/* set properties on the supporting window */
- PROP_SETS(support_window, net_wm_name, utf8, "Openbox");
- PROP_SET32(support_window, net_supporting_wm_check, window,support_window);
+ PROP_SETS(screen_support_win, net_wm_name, "Openbox");
+ PROP_SET32(screen_support_win, net_supporting_wm_check,
+ window, screen_support_win);
/* set the _NET_SUPPORTED_ATOMS hint */
- num_support = 48;
+ num_support = 51;
i = 0;
- supported = g_new(Atom, num_support);
+ supported = g_new(guint32, num_support);
supported[i++] = prop_atoms.net_current_desktop;
supported[i++] = prop_atoms.net_number_of_desktops;
supported[i++] = prop_atoms.net_desktop_geometry;
supported[i++] = prop_atoms.net_wm_state_fullscreen;
supported[i++] = prop_atoms.net_wm_state_above;
supported[i++] = prop_atoms.net_wm_state_below;
+ supported[i++] = prop_atoms.net_moveresize_window;
+ supported[i++] = prop_atoms.net_wm_moveresize;
+ supported[i++] = prop_atoms.ob_wm_state_undecorated;
g_assert(i == num_support);
/*
- supported[] = prop_atoms.net_wm_moveresize;
- supported[] = prop_atoms.net_wm_moveresize_size_topleft;
- supported[] = prop_atoms.net_wm_moveresize_size_topright;
- supported[] = prop_atoms.net_wm_moveresize_size_bottomleft;
- supported[] = prop_atoms.net_wm_moveresize_size_bottomright;
- supported[] = prop_atoms.net_wm_moveresize_move;
supported[] = prop_atoms.net_wm_action_stick;
*/
- PROP_SET32A(ob_root, net_supported, atom, supported, num_support);
+ PROP_SETA32(RootWindow(ob_display, ob_screen),
+ net_supported, atom, supported, num_support);
g_free(supported);
return TRUE;
}
-void screen_startup()
+void screen_startup(gboolean reconfig)
{
- screen_desktop_names = g_ptr_array_new();
-
- /* get the initial size */
- screen_resize();
-
- screen_set_num_desktops(4);
- screen_set_desktop(0);
-
- /* don't start in showing-desktop mode */
- screen_showing_desktop = FALSE;
- PROP_SET32(ob_root, net_showing_desktop, cardinal, screen_showing_desktop);
+ GSList *it;
+ guint i;
- screen_update_layout();
+ desktop_cycle_popup = pager_popup_new(FALSE);
+
+ if (!reconfig)
+ /* get the initial size */
+ screen_resize();
+
+ /* set the names */
+ screen_desktop_names = g_new(char*,
+ g_slist_length(config_desktops_names) + 1);
+ for (i = 0, it = config_desktops_names; it; ++i, it = it->next)
+ screen_desktop_names[i] = it->data; /* dont strdup */
+ screen_desktop_names[i] = NULL;
+ PROP_SETSS(RootWindow(ob_display, ob_screen),
+ net_desktop_names, screen_desktop_names);
+ g_free(screen_desktop_names); /* dont free the individual strings */
+ screen_desktop_names = NULL;
+
+ if (!reconfig)
+ screen_num_desktops = 0;
+ screen_set_num_desktops(config_desktops_num);
+ if (!reconfig) {
+ screen_set_desktop(0);
+
+ /* don't start in showing-desktop mode */
+ screen_showing_desktop = FALSE;
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ net_showing_desktop, cardinal, screen_showing_desktop);
+
+ screen_update_layout();
+ }
}
-void screen_shutdown()
+void screen_shutdown(gboolean reconfig)
{
- guint i;
+ Rect **r;
- XSelectInput(ob_display, ob_root, NoEventMask);
+ pager_popup_free(desktop_cycle_popup);
- PROP_ERASE(ob_root, openbox_pid); /* we're not running here no more! */
- PROP_ERASE(ob_root, net_supported); /* not without us */
- PROP_ERASE(ob_root, net_showing_desktop); /* don't keep this mode */
+ if (!reconfig) {
+ XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
+ NoEventMask);
- XDestroyWindow(ob_display, support_window);
+ /* we're not running here no more! */
+ PROP_ERASE(RootWindow(ob_display, ob_screen), openbox_pid);
+ /* not without us */
+ PROP_ERASE(RootWindow(ob_display, ob_screen), net_supported);
+ /* don't keep this mode */
+ PROP_ERASE(RootWindow(ob_display, ob_screen), net_showing_desktop);
- for (i = 0; i < screen_desktop_names->len; ++i)
- g_free(g_ptr_array_index(screen_desktop_names, i));
- g_ptr_array_free(screen_desktop_names, TRUE);
- g_free(strut);
+ XDestroyWindow(ob_display, screen_support_win);
+ }
+
+ g_strfreev(screen_desktop_names);
+ screen_desktop_names = NULL;
+ for (r = area; *r; ++r)
+ g_free(*r);
g_free(area);
+ area = NULL;
}
void screen_resize()
{
- /* XXX RandR support here? */
- int geometry[2];
+ static int oldw = 0, oldh = 0;
+ int w, h;
+ GList *it;
+ guint32 geometry[2];
+
+ w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
+ h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
+
+ if (w == oldw && h == oldh) return;
+
+ oldw = w; oldh = h;
/* Set the _NET_DESKTOP_GEOMETRY hint */
- geometry[0] = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
- geometry[1] = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
- PROP_SET32A(ob_root, net_desktop_geometry, cardinal, geometry, 2);
- screen_physical_size.width = geometry[0];
- screen_physical_size.height = geometry[1];
+ screen_physical_size.width = geometry[0] = w;
+ screen_physical_size.height = geometry[1] = h;
+ PROP_SETA32(RootWindow(ob_display, ob_screen),
+ net_desktop_geometry, cardinal, geometry, 2);
- if (ob_state == State_Starting)
+ if (ob_state() == OB_STATE_STARTING)
return;
- screen_update_struts();
+ screen_update_areas();
+ dock_configure();
- /* XXX adjust more stuff ? */
+ for (it = client_list; it; it = it->next)
+ client_move_onscreen(it->data, FALSE);
}
void screen_set_num_desktops(guint num)
{
guint i, old;
- gulong *viewport;
-
+ guint32 *viewport;
+ GList *it;
+
g_assert(num > 0);
-
- /* move windows on desktops that will no longer exist! */
- /* XXX
- std::list<Client*>::iterator it, end = clients.end();
- for (it = clients.begin(); it != end; ++it) {
- unsigned int d = (*it)->desktop();
- if (d >= num && d != 0xffffffff) {
- XEvent ce;
- ce.xclient.type = ClientMessage;
- ce.xclient.message_type = otk::Property::atoms.net_wm_desktop;
- ce.xclient.display = **otk::display;
- ce.xclient.window = (*it)->window();
- ce.xclient.format = 32;
- ce.xclient.data.l[0] = num - 1;
- XSendEvent(**otk::display, _info->rootWindow(), false,
- SubstructureNotifyMask | SubstructureRedirectMask, &ce);
- }
- }
- */
+
+ if (screen_num_desktops == num) return;
old = screen_num_desktops;
screen_num_desktops = num;
- PROP_SET32(ob_root, net_number_of_desktops, cardinal, num);
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ net_number_of_desktops, cardinal, num);
/* set the viewport hint */
- viewport = g_new0(gulong, num * 2);
- PROP_SET32A(ob_root, net_desktop_viewport, cardinal, viewport, num * 2);
+ viewport = g_new0(guint32, num * 2);
+ PROP_SETA32(RootWindow(ob_display, ob_screen),
+ net_desktop_viewport, cardinal, viewport, num * 2);
g_free(viewport);
- /* change our struts/area to match */
- screen_update_struts();
-
/* the number of rows/columns will differ */
screen_update_layout();
/* may be some unnamed desktops that we need to fill in with names */
screen_update_desktop_names();
- /* update the focus lists */
+ /* move windows on desktops that will no longer exist! */
+ for (it = client_list; it != NULL; it = it->next) {
+ ObClient *c = it->data;
+ if (c->desktop >= num && c->desktop != DESKTOP_ALL)
+ client_set_desktop(c, num - 1, FALSE);
+ }
+
+ /* change our struts/area to match (after moving windows) */
+ screen_update_areas();
+
+ /* change our desktop if we're on one that no longer exists! */
+ if (screen_desktop >= screen_num_desktops)
+ screen_set_desktop(num - 1);
+
+ /* update the focus lists */
/* free our lists for the desktops which have disappeared */
for (i = num; i < old; ++i)
g_list_free(focus_order[i]);
/* set the new lists to be empty */
for (i = old; i < num; ++i)
focus_order[i] = NULL;
-
- dispatch_ob(Event_Ob_NumDesktops, num, old);
-
- /* change our desktop if we're on one that no longer exists! */
- if (screen_desktop >= screen_num_desktops)
- screen_set_desktop(num - 1);
}
void screen_set_desktop(guint num)
g_assert(num < screen_num_desktops);
- g_message("Moving to desktop %u", num);
-
old = screen_desktop;
screen_desktop = num;
- PROP_SET32(ob_root, net_current_desktop, cardinal, num);
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ net_current_desktop, cardinal, num);
if (old == num) return;
+ screen_last_desktop = old;
+
+ ob_debug("Moving to desktop %d\n", num+1);
+
+ if (moveresize_client)
+ client_set_desktop(moveresize_client, num, TRUE);
+
/* show windows before hiding the rest to lessen the enter/leave events */
/* show windows from top to bottom */
for (it = stacking_list; it != NULL; it = it->next) {
- Client *c = it->data;
- if (!c->frame->visible && client_should_show(c))
- engine_frame_show(c->frame);
+ if (WINDOW_IS_CLIENT(it->data)) {
+ ObClient *c = it->data;
+ if (!c->frame->visible && client_should_show(c))
+ frame_show(c->frame);
+ }
}
/* hide windows from bottom to top */
for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
- Client *c = it->data;
- if (c->frame->visible && !client_should_show(c))
- engine_frame_hide(c->frame);
+ if (WINDOW_IS_CLIENT(it->data)) {
+ ObClient *c = it->data;
+ if (c->frame->visible && !client_should_show(c))
+ frame_hide(c->frame);
+ }
+ }
+
+ event_ignore_queued_enters();
+
+ focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
+}
+
+static void get_row_col(guint d, guint *r, guint *c)
+{
+ switch (screen_desktop_layout.orientation) {
+ case OB_ORIENTATION_HORZ:
+ switch (screen_desktop_layout.start_corner) {
+ case OB_CORNER_TOPLEFT:
+ *r = d / screen_desktop_layout.columns;
+ *c = d % screen_desktop_layout.columns;
+ break;
+ case OB_CORNER_BOTTOMLEFT:
+ *r = screen_desktop_layout.rows - 1 -
+ d / screen_desktop_layout.columns;
+ *c = d % screen_desktop_layout.columns;
+ break;
+ case OB_CORNER_TOPRIGHT:
+ *r = d / screen_desktop_layout.columns;
+ *c = screen_desktop_layout.columns - 1 -
+ d % screen_desktop_layout.columns;
+ break;
+ case OB_CORNER_BOTTOMRIGHT:
+ *r = screen_desktop_layout.rows - 1 -
+ d / screen_desktop_layout.columns;
+ *c = screen_desktop_layout.columns - 1 -
+ d % screen_desktop_layout.columns;
+ break;
+ }
+ break;
+ case OB_ORIENTATION_VERT:
+ switch (screen_desktop_layout.start_corner) {
+ case OB_CORNER_TOPLEFT:
+ *r = d % screen_desktop_layout.rows;
+ *c = d / screen_desktop_layout.rows;
+ break;
+ case OB_CORNER_BOTTOMLEFT:
+ *r = screen_desktop_layout.rows - 1 -
+ d % screen_desktop_layout.rows;
+ *c = d / screen_desktop_layout.rows;
+ break;
+ case OB_CORNER_TOPRIGHT:
+ *r = d % screen_desktop_layout.rows;
+ *c = screen_desktop_layout.columns - 1 -
+ d / screen_desktop_layout.rows;
+ break;
+ case OB_CORNER_BOTTOMRIGHT:
+ *r = screen_desktop_layout.rows - 1 -
+ d % screen_desktop_layout.rows;
+ *c = screen_desktop_layout.columns - 1 -
+ d / screen_desktop_layout.rows;
+ break;
+ }
+ break;
+ }
+}
+
+static guint translate_row_col(guint r, guint c)
+{
+ switch (screen_desktop_layout.orientation) {
+ case OB_ORIENTATION_HORZ:
+ switch (screen_desktop_layout.start_corner) {
+ case OB_CORNER_TOPLEFT:
+ return r % screen_desktop_layout.rows *
+ screen_desktop_layout.columns +
+ c % screen_desktop_layout.columns;
+ case OB_CORNER_BOTTOMLEFT:
+ return (screen_desktop_layout.rows - 1 -
+ r % screen_desktop_layout.rows) *
+ screen_desktop_layout.columns +
+ c % screen_desktop_layout.columns;
+ case OB_CORNER_TOPRIGHT:
+ return r % screen_desktop_layout.rows *
+ screen_desktop_layout.columns +
+ (screen_desktop_layout.columns - 1 -
+ c % screen_desktop_layout.columns);
+ case OB_CORNER_BOTTOMRIGHT:
+ return (screen_desktop_layout.rows - 1 -
+ r % screen_desktop_layout.rows) *
+ screen_desktop_layout.columns +
+ (screen_desktop_layout.columns - 1 -
+ c % screen_desktop_layout.columns);
+ }
+ case OB_ORIENTATION_VERT:
+ switch (screen_desktop_layout.start_corner) {
+ case OB_CORNER_TOPLEFT:
+ return c % screen_desktop_layout.columns *
+ screen_desktop_layout.rows +
+ r % screen_desktop_layout.rows;
+ case OB_CORNER_BOTTOMLEFT:
+ return c % screen_desktop_layout.columns *
+ screen_desktop_layout.rows +
+ (screen_desktop_layout.rows - 1 -
+ r % screen_desktop_layout.rows);
+ case OB_CORNER_TOPRIGHT:
+ return (screen_desktop_layout.columns - 1 -
+ c % screen_desktop_layout.columns) *
+ screen_desktop_layout.rows +
+ r % screen_desktop_layout.rows;
+ case OB_CORNER_BOTTOMRIGHT:
+ return (screen_desktop_layout.columns - 1 -
+ c % screen_desktop_layout.columns) *
+ screen_desktop_layout.rows +
+ (screen_desktop_layout.rows - 1 -
+ r % screen_desktop_layout.rows);
+ }
+ }
+ g_assert_not_reached();
+ return 0;
+}
+
+void screen_desktop_popup(guint d, gboolean show)
+{
+ Rect *a;
+
+ if (!show || !config_dialog_desktop) {
+ pager_popup_hide(desktop_cycle_popup);
+ } else {
+ a = screen_physical_area_monitor(0);
+ pager_popup_position(desktop_cycle_popup, CenterGravity,
+ a->x + a->width / 2, a->y + a->height / 2);
+ /* XXX the size and the font extents need to be related on some level
+ */
+ pager_popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
+
+ pager_popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
+
+ pager_popup_show(desktop_cycle_popup, screen_desktop_names[d], d);
+ }
+}
+
+guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
+ gboolean dialog, gboolean done, gboolean cancel)
+{
+ static gboolean first = TRUE;
+ static gboolean lin;
+ static guint origd, d;
+ guint r, c;
+
+ if (cancel) {
+ d = origd;
+ goto done_cycle;
+ } else if (done && dialog) {
+ goto done_cycle;
}
+ if (first) {
+ first = FALSE;
+ lin = linear;
+ d = origd = screen_desktop;
+ }
+
+ get_row_col(d, &r, &c);
+
+ if (lin) {
+ switch (dir) {
+ case OB_DIRECTION_EAST:
+ if (d < screen_num_desktops - 1)
+ ++d;
+ else if (wrap)
+ d = 0;
+ break;
+ case OB_DIRECTION_WEST:
+ if (d > 0)
+ --d;
+ else if (wrap)
+ d = screen_num_desktops - 1;
+ break;
+ default:
+ assert(0);
+ return screen_desktop;
+ }
+ } else {
+ switch (dir) {
+ case OB_DIRECTION_EAST:
+ ++c;
+ if (c >= screen_desktop_layout.columns) {
+ if (!wrap) return d = screen_desktop;
+ c = 0;
+ }
+ d = translate_row_col(r, c);
+ if (d >= screen_num_desktops) {
+ if (!wrap) return d = screen_desktop;
+ ++c;
+ }
+ break;
+ case OB_DIRECTION_WEST:
+ --c;
+ if (c >= screen_desktop_layout.columns) {
+ if (!wrap) return d = screen_desktop;
+ c = screen_desktop_layout.columns - 1;
+ }
+ d = translate_row_col(r, c);
+ if (d >= screen_num_desktops) {
+ if (!wrap) return d = screen_desktop;
+ --c;
+ }
+ break;
+ case OB_DIRECTION_SOUTH:
+ ++r;
+ if (r >= screen_desktop_layout.rows) {
+ if (!wrap) return d = screen_desktop;
+ r = 0;
+ }
+ d = translate_row_col(r, c);
+ if (d >= screen_num_desktops) {
+ if (!wrap) return d = screen_desktop;
+ ++r;
+ }
+ break;
+ case OB_DIRECTION_NORTH:
+ --r;
+ if (r >= screen_desktop_layout.rows) {
+ if (!wrap) return d = screen_desktop;
+ r = screen_desktop_layout.rows - 1;
+ }
+ d = translate_row_col(r, c);
+ if (d >= screen_num_desktops) {
+ if (!wrap) return d = screen_desktop;
+ --r;
+ }
+ break;
+ default:
+ assert(0);
+ return d = screen_desktop;
+ }
+
+ d = translate_row_col(r, c);
+ }
+
+ if (dialog) {
+ screen_desktop_popup(d, TRUE);
+ return d;
+ }
+
+done_cycle:
+ first = TRUE;
+
+ screen_desktop_popup(0, FALSE);
- dispatch_ob(Event_Ob_Desktop, num, old);
+ return d;
}
void screen_update_layout()
{
- unsigned long *data = NULL;
-
- /* defaults */
- screen_desktop_layout.orientation = prop_atoms.net_wm_orientation_horz;
- screen_desktop_layout.start_corner = prop_atoms.net_wm_topleft;
- screen_desktop_layout.rows = 1;
- screen_desktop_layout.columns = screen_num_desktops;
-
- if (PROP_GET32A(ob_root, net_desktop_layout, cardinal, data, 4)) {
- if (data[0] == prop_atoms.net_wm_orientation_vert)
- screen_desktop_layout.orientation = data[0];
- if (data[3] == prop_atoms.net_wm_topright)
- screen_desktop_layout.start_corner = data[3];
- else if (data[3] == prop_atoms.net_wm_bottomright)
- screen_desktop_layout.start_corner = data[3];
- else if (data[3] == prop_atoms.net_wm_bottomleft)
- screen_desktop_layout.start_corner = data[3];
-
- /* fill in a zero rows/columns */
- if (!(data[1] == 0 && data[2] == 0)) { /* both 0's is bad data.. */
- if (data[1] == 0) {
- data[1] = (screen_num_desktops +
- screen_num_desktops % data[2]) / data[2];
- } else if (data[2] == 0) {
- data[2] = (screen_num_desktops +
- screen_num_desktops % data[1]) / data[1];
- }
- screen_desktop_layout.columns = data[1];
- screen_desktop_layout.rows = data[2];
- }
+ ObOrientation orient;
+ ObCorner corner;
+ guint rows;
+ guint cols;
+ guint32 *data;
+ guint num;
+ gboolean valid = FALSE;
+
+ if (PROP_GETA32(RootWindow(ob_display, ob_screen),
+ net_desktop_layout, cardinal, &data, &num)) {
+ if (num == 3 || num == 4) {
+
+ if (data[0] == prop_atoms.net_wm_orientation_vert)
+ orient = OB_ORIENTATION_VERT;
+ else if (data[0] == prop_atoms.net_wm_orientation_horz)
+ orient = OB_ORIENTATION_HORZ;
+ else
+ goto screen_update_layout_bail;
+
+ if (num < 4)
+ corner = OB_CORNER_TOPLEFT;
+ else {
+ if (data[3] == prop_atoms.net_wm_topleft)
+ corner = OB_CORNER_TOPLEFT;
+ else if (data[3] == prop_atoms.net_wm_topright)
+ corner = OB_CORNER_TOPRIGHT;
+ else if (data[3] == prop_atoms.net_wm_bottomright)
+ corner = OB_CORNER_BOTTOMRIGHT;
+ else if (data[3] == prop_atoms.net_wm_bottomleft)
+ corner = OB_CORNER_BOTTOMLEFT;
+ else
+ goto screen_update_layout_bail;
+ }
+
+ cols = data[1];
+ rows = data[2];
+
+ /* fill in a zero rows/columns */
+ if ((cols == 0 && rows == 0)) { /* both 0's is bad data.. */
+ goto screen_update_layout_bail;
+ } else {
+ if (cols == 0) {
+ cols = screen_num_desktops / rows;
+ if (rows * cols < screen_num_desktops)
+ cols++;
+ if (rows * cols >= screen_num_desktops + cols)
+ rows--;
+ } else if (rows == 0) {
+ rows = screen_num_desktops / cols;
+ if (cols * rows < screen_num_desktops)
+ rows++;
+ if (cols * rows >= screen_num_desktops + rows)
+ cols--;
+ }
+ }
+
+ /* bounds checking */
+ if (orient == OB_ORIENTATION_HORZ) {
+ cols = MIN(screen_num_desktops, cols);
+ rows = MIN(rows, (screen_num_desktops + cols - 1) / cols);
+ cols = screen_num_desktops / rows +
+ !!(screen_num_desktops % rows);
+ } else {
+ rows = MIN(screen_num_desktops, rows);
+ cols = MIN(cols, (screen_num_desktops + rows - 1) / rows);
+ rows = screen_num_desktops / cols +
+ !!(screen_num_desktops % cols);
+ }
+
+ valid = TRUE;
+ }
+ screen_update_layout_bail:
+ g_free(data);
+ }
- /* bounds checking */
- if (screen_desktop_layout.orientation ==
- prop_atoms.net_wm_orientation_horz) {
- if (screen_desktop_layout.rows > screen_num_desktops)
- screen_desktop_layout.rows = screen_num_desktops;
- if (screen_desktop_layout.columns > ((screen_num_desktops +
- screen_num_desktops %
- screen_desktop_layout.rows) /
- screen_desktop_layout.rows))
- screen_desktop_layout.columns =
- (screen_num_desktops + screen_num_desktops %
- screen_desktop_layout.rows) /
- screen_desktop_layout.rows;
- } else {
- if (screen_desktop_layout.columns > screen_num_desktops)
- screen_desktop_layout.columns = screen_num_desktops;
- if (screen_desktop_layout.rows > ((screen_num_desktops +
- screen_num_desktops %
- screen_desktop_layout.columns) /
- screen_desktop_layout.columns))
- screen_desktop_layout.rows =
- (screen_num_desktops + screen_num_desktops %
- screen_desktop_layout.columns) /
- screen_desktop_layout.columns;
- }
- g_free(data);
+ if (!valid) {
+ /* defaults */
+ orient = OB_ORIENTATION_HORZ;
+ corner = OB_CORNER_TOPLEFT;
+ rows = 1;
+ cols = screen_num_desktops;
}
+
+ screen_desktop_layout.orientation = orient;
+ screen_desktop_layout.start_corner = corner;
+ screen_desktop_layout.rows = rows;
+ screen_desktop_layout.columns = cols;
}
void screen_update_desktop_names()
guint i;
/* empty the array */
- for (i = 0; i < screen_desktop_names->len; ++i)
- g_free(g_ptr_array_index(screen_desktop_names, i));
- g_ptr_array_set_size(screen_desktop_names, 0);
-
- PROP_GETSA(ob_root, net_desktop_names, utf8, screen_desktop_names);
-
- while (screen_desktop_names->len < screen_num_desktops)
- g_ptr_array_add(screen_desktop_names, g_strdup("Unnamed Desktop"));
+ g_strfreev(screen_desktop_names);
+ screen_desktop_names = NULL;
+
+ if (PROP_GETSS(RootWindow(ob_display, ob_screen),
+ net_desktop_names, utf8, &screen_desktop_names))
+ for (i = 0; screen_desktop_names[i] && i <= screen_num_desktops; ++i);
+ else
+ i = 0;
+ if (i <= screen_num_desktops) {
+ screen_desktop_names = g_renew(char*, screen_desktop_names,
+ screen_num_desktops + 1);
+ screen_desktop_names[screen_num_desktops] = NULL;
+ for (; i < screen_num_desktops; ++i)
+ screen_desktop_names[i] = g_strdup("Unnamed Desktop");
+ }
}
void screen_show_desktop(gboolean show)
{
GList *it;
- static Window saved_focus = 0;
if (show == screen_showing_desktop) return; /* no change */
- /* save the window focus, and restore it when leaving the show-desktop
- mode */
- if (show && focus_client)
- saved_focus = focus_client->window;
-
screen_showing_desktop = show;
if (show) {
/* bottom to top */
for (it = g_list_last(stacking_list); it != NULL; it = it->prev) {
- Client *client = it->data;
- if (client->type == Type_Desktop)
- client_focus(client);
- else if (client->frame->visible && !client_should_show(client))
- engine_frame_hide(client->frame);
+ if (WINDOW_IS_CLIENT(it->data)) {
+ ObClient *client = it->data;
+ if (client->frame->visible && !client_should_show(client))
+ frame_hide(client->frame);
+ }
}
} else {
/* top to bottom */
for (it = stacking_list; it != NULL; it = it->next) {
- Client *client = it->data;
- if (!client->frame->visible && client_should_show(client))
- engine_frame_show(client->frame);
+ if (WINDOW_IS_CLIENT(it->data)) {
+ ObClient *client = it->data;
+ if (!client->frame->visible && client_should_show(client))
+ frame_show(client->frame);
+ }
}
}
- if (!show) {
- Client *f = focus_client;
- if (!f || f->type == Type_Desktop) {
- Client *c = g_hash_table_lookup(client_map,
- (gpointer)saved_focus);
- if (c) client_focus(c);
- }
+ if (show) {
+ /* focus desktop */
+ for (it = focus_order[screen_desktop]; it; it = it->next)
+ if (((ObClient*)it->data)->type == OB_CLIENT_TYPE_DESKTOP &&
+ client_focus(it->data))
+ break;
+ } else {
+ focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
}
show = !!show; /* make it boolean */
- PROP_SET32(ob_root, net_showing_desktop, cardinal, show);
-
- dispatch_ob(Event_Ob_ShowDesktop, show, 0);
+ PROP_SET32(RootWindow(ob_display, ob_screen),
+ net_showing_desktop, cardinal, show);
}
-void screen_install_colormap(Client *client, gboolean install)
+void screen_install_colormap(ObClient *client, gboolean install)
{
XWindowAttributes wa;
if (client == NULL) {
if (install)
- XInstallColormap(ob_display, render_colormap);
+ XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
else
- XUninstallColormap(ob_display, render_colormap);
+ XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
} else {
- if (XGetWindowAttributes(ob_display, client->window, &wa) &&
+ if (XGetWindowAttributes(ob_display, client->window, &wa) &&
wa.colormap != None) {
- if (install)
- XInstallColormap(ob_display, wa.colormap);
- else
- XUninstallColormap(ob_display, wa.colormap);
- }
+ xerror_set_ignore(TRUE);
+ if (install)
+ XInstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
+ else
+ XUninstallColormap(RrDisplay(ob_rr_inst), wa.colormap);
+ xerror_set_ignore(FALSE);
+ }
}
}
-void screen_update_struts()
+static inline void
+screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
+ gint edge, Strut *ret)
{
- GSList *it;
- guint i;
-
- if (strut != NULL)
- g_free(strut);
- strut = g_new0(Strut, screen_num_desktops + 1);
-
- for (it = client_list; it; it = it->next) {
- Client *c = it->data;
- if (c->iconic) continue; /* these dont count in the strut */
-
- if (c->desktop == 0xffffffff) {
- for (i = 0; i < screen_num_desktops; ++i)
- STRUT_ADD(strut[i], c->strut);
- } else {
- g_assert(c->desktop < screen_num_desktops);
- STRUT_ADD(strut[c->desktop], c->strut);
- }
- /* apply to the 'all desktops' strut */
- STRUT_ADD(strut[screen_num_desktops], c->strut);
- }
- screen_update_area();
+ if (s->left &&
+ ((s->left_end <= s->left_start) ||
+ (RECT_TOP(*monitor_area) < s->left_end &&
+ RECT_BOTTOM(*monitor_area) > s->left_start)))
+ ret->left = MAX(ret->left, edge);
}
-static void screen_update_area()
+static inline void
+screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
+ gint edge, Strut *ret)
{
- guint i;
- gulong *dims;
-
- if (area != NULL)
- g_free(area);
- area = g_new0(Rect, screen_num_desktops + 1);
+ if (s->top &&
+ ((s->top_end <= s->top_start) ||
+ (RECT_LEFT(*monitor_area) < s->top_end &&
+ RECT_RIGHT(*monitor_area) > s->top_start)))
+ ret->top = MAX(ret->top, edge);
+}
+
+static inline void
+screen_area_add_strut_right(const StrutPartial *s, const Rect *monitor_area,
+ gint edge, Strut *ret)
+{
+ if (s->right &&
+ ((s->right_end <= s->right_start) ||
+ (RECT_TOP(*monitor_area) < s->right_end &&
+ RECT_BOTTOM(*monitor_area) > s->right_start)))
+ ret->right = MAX(ret->right, edge);
+}
+
+static inline void
+screen_area_add_strut_bottom(const StrutPartial *s, const Rect *monitor_area,
+ gint edge, Strut *ret)
+{
+ if (s->bottom &&
+ ((s->bottom_end <= s->bottom_start) ||
+ (RECT_LEFT(*monitor_area) < s->bottom_end &&
+ RECT_RIGHT(*monitor_area) > s->bottom_start)))
+ ret->bottom = MAX(ret->bottom, edge);
+}
+
+void screen_update_areas()
+{
+ guint i, x;
+ guint32 *dims;
+ GList *it;
+ gint o;
+
+ g_free(monitor_area);
+ extensions_xinerama_screens(&monitor_area, &screen_num_monitors);
+
+ if (area) {
+ for (i = 0; area[i]; ++i)
+ g_free(area[i]);
+ g_free(area);
+ }
+
+ area = g_new(Rect*, screen_num_desktops + 2);
+ for (i = 0; i < screen_num_desktops + 1; ++i)
+ area[i] = g_new0(Rect, screen_num_monitors + 1);
+ area[i] = NULL;
- dims = g_new(unsigned long, 4 * screen_num_desktops);
+ dims = g_new(guint32, 4 * screen_num_desktops);
+
for (i = 0; i < screen_num_desktops + 1; ++i) {
- Rect old_area = area[i];
-/*
- #ifdef XINERAMA
- // reset to the full areas
- if (isXineramaActive())
- xineramaUsableArea = getXineramaAreas();
- #endif // XINERAMA
-*/
+ Strut *struts;
+ gint l, r, t, b;
+
+ struts = g_new0(Strut, screen_num_monitors);
+
+ /* calc the xinerama areas */
+ for (x = 0; x < screen_num_monitors; ++x) {
+ area[i][x] = monitor_area[x];
+ if (x == 0) {
+ l = monitor_area[x].x;
+ t = monitor_area[x].y;
+ r = monitor_area[x].x + monitor_area[x].width - 1;
+ b = monitor_area[x].y + monitor_area[x].height - 1;
+ } else {
+ l = MIN(l, monitor_area[x].x);
+ t = MIN(t, monitor_area[x].y);
+ r = MAX(r, monitor_area[x].x + monitor_area[x].width - 1);
+ b = MAX(b, monitor_area[x].y + monitor_area[x].height - 1);
+ }
+ }
+ RECT_SET(area[i][x], l, t, r - l + 1, b - t + 1);
+
+ /* apply the struts */
+
+ /* find the left-most xin heads, i do this in 2 loops :| */
+ o = area[i][0].x;
+ for (x = 1; x < screen_num_monitors; ++x)
+ o = MIN(o, area[i][x].x);
+
+ for (x = 0; x < screen_num_monitors; ++x) {
+ for (it = client_list; it; it = it->next) {
+ ObClient *c = it->data;
+ screen_area_add_strut_left(&c->strut,
+ &monitor_area[x],
+ o + c->strut.left - area[i][x].x,
+ &struts[x]);
+ }
+ screen_area_add_strut_left(&dock_strut,
+ &monitor_area[x],
+ o + dock_strut.left - area[i][x].x,
+ &struts[x]);
+
+ area[i][x].x += struts[x].left;
+ area[i][x].width -= struts[x].left;
+ }
+
+ /* find the top-most xin heads, i do this in 2 loops :| */
+ o = area[i][0].y;
+ for (x = 1; x < screen_num_monitors; ++x)
+ o = MIN(o, area[i][x].y);
+
+ for (x = 0; x < screen_num_monitors; ++x) {
+ for (it = client_list; it; it = it->next) {
+ ObClient *c = it->data;
+ screen_area_add_strut_top(&c->strut,
+ &monitor_area[x],
+ o + c->strut.top - area[i][x].y,
+ &struts[x]);
+ }
+ screen_area_add_strut_top(&dock_strut,
+ &monitor_area[x],
+ o + dock_strut.top - area[i][x].y,
+ &struts[x]);
+
+ area[i][x].y += struts[x].top;
+ area[i][x].height -= struts[x].top;
+ }
+
+ /* find the right-most xin heads, i do this in 2 loops :| */
+ o = area[i][0].x + area[i][0].width - 1;
+ for (x = 1; x < screen_num_monitors; ++x)
+ o = MAX(o, area[i][x].x + area[i][x].width - 1);
+
+ for (x = 0; x < screen_num_monitors; ++x) {
+ for (it = client_list; it; it = it->next) {
+ ObClient *c = it->data;
+ screen_area_add_strut_right(&c->strut,
+ &monitor_area[x],
+ (area[i][x].x +
+ area[i][x].width - 1) -
+ (o - c->strut.right),
+ &struts[x]);
+ }
+ screen_area_add_strut_right(&dock_strut,
+ &monitor_area[x],
+ (area[i][x].x +
+ area[i][x].width - 1) -
+ (o - dock_strut.right),
+ &struts[x]);
+
+ area[i][x].width -= struts[x].right;
+ }
+
+ /* find the bottom-most xin heads, i do this in 2 loops :| */
+ o = area[i][0].y + area[i][0].height - 1;
+ for (x = 1; x < screen_num_monitors; ++x)
+ o = MAX(o, area[i][x].y + area[i][x].height - 1);
+
+ for (x = 0; x < screen_num_monitors; ++x) {
+ for (it = client_list; it; it = it->next) {
+ ObClient *c = it->data;
+ screen_area_add_strut_bottom(&c->strut,
+ &monitor_area[x],
+ (area[i][x].y +
+ area[i][x].height - 1) - \
+ (o - c->strut.bottom),
+ &struts[x]);
+ }
+ screen_area_add_strut_bottom(&dock_strut,
+ &monitor_area[x],
+ (area[i][x].y +
+ area[i][x].height - 1) - \
+ (o - dock_strut.bottom),
+ &struts[x]);
+
+ area[i][x].height -= struts[x].bottom;
+ }
+
+ l = RECT_LEFT(area[i][0]);
+ t = RECT_TOP(area[i][0]);
+ r = RECT_RIGHT(area[i][0]);
+ b = RECT_BOTTOM(area[i][0]);
+ for (x = 1; x < screen_num_monitors; ++x) {
+ l = MIN(l, RECT_LEFT(area[i][x]));
+ t = MIN(l, RECT_TOP(area[i][x]));
+ r = MAX(r, RECT_RIGHT(area[i][x]));
+ b = MAX(b, RECT_BOTTOM(area[i][x]));
+ }
+ RECT_SET(area[i][screen_num_monitors], l, t,
+ r - l + 1, b - t + 1);
+
+ /* XXX optimize when this is run? */
+
+ /* the area has changed, adjust all the maximized
+ windows */
+ for (it = client_list; it; it = it->next) {
+ ObClient *c = it->data;
+ if (i < screen_num_desktops) {
+ if (c->desktop == i)
+ client_reconfigure(c);
+ } else if (c->desktop == DESKTOP_ALL)
+ client_reconfigure(c);
+ }
+ if (i < screen_num_desktops) {
+ /* don't set these for the 'all desktops' area */
+ dims[(i * 4) + 0] = area[i][screen_num_monitors].x;
+ dims[(i * 4) + 1] = area[i][screen_num_monitors].y;
+ dims[(i * 4) + 2] = area[i][screen_num_monitors].width;
+ dims[(i * 4) + 3] = area[i][screen_num_monitors].height;
+ }
+
+ g_free(struts);
+ }
- RECT_SET(area[i], strut[i].left, strut[i].top,
- screen_physical_size.width - (strut[i].left +
- strut[i].right),
- screen_physical_size.height - (strut[i].top +
- strut[i].bottom));
-
-/*
- #ifdef XINERAMA
- if (isXineramaActive()) {
- // keep each of the ximerama-defined areas inside the strut
- RectList::iterator xit, xend = xineramaUsableArea.end();
- for (xit = xineramaUsableArea.begin(); xit != xend; ++xit) {
- if (xit->x() < usableArea.x()) {
- xit->setX(usableArea.x());
- xit->setWidth(xit->width() - usableArea.x());
- }
- if (xit->y() < usableArea.y()) {
- xit->setY(usableArea.y());
- xit->setHeight(xit->height() - usableArea.y());
- }
- if (xit->x() + xit->width() > usableArea.width())
- xit->setWidth(usableArea.width() - xit->x());
- if (xit->y() + xit->height() > usableArea.height())
- xit->setHeight(usableArea.height() - xit->y());
- }
- }
- #endif // XINERAMA
-*/
- if (!RECT_EQUAL(old_area, area[i])) {
- /* the area has changed, adjust all the maximized windows */
- GSList *it;
- for (it = client_list; it; it = it->next) {
- Client *c = it->data;
- if (i < screen_num_desktops) {
- if (c->desktop == i)
- client_remaximize(c);
- } else {
- /* the 'all desktops' size */
- if (c->desktop == DESKTOP_ALL)
- client_remaximize(c);
- }
- }
- }
+ PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
+ dims, 4 * screen_num_desktops);
- /* don't set these for the 'all desktops' area */
- if (i < screen_num_desktops) {
- dims[(i * 4) + 0] = area[i].x;
- dims[(i * 4) + 1] = area[i].y;
- dims[(i * 4) + 2] = area[i].width;
- dims[(i * 4) + 3] = area[i].height;
- }
- }
- PROP_SET32A(ob_root, net_workarea, cardinal,
- dims, 4 * screen_num_desktops);
g_free(dims);
}
Rect *screen_area(guint desktop)
{
- if (desktop >= screen_num_desktops) {
- if (desktop == DESKTOP_ALL)
- return &area[screen_num_desktops];
- return NULL;
- }
- return &area[desktop];
+ return screen_area_monitor(desktop, screen_num_monitors);
}
-Strut *screen_strut(guint desktop)
+Rect *screen_area_monitor(guint desktop, guint head)
{
+ if (head > screen_num_monitors)
+ return NULL;
if (desktop >= screen_num_desktops) {
if (desktop == DESKTOP_ALL)
- return &strut[screen_num_desktops];
+ return &area[screen_num_desktops][head];
return NULL;
}
- return &strut[desktop];
+ return &area[desktop][head];
+}
+
+Rect *screen_physical_area()
+{
+ return screen_physical_area_monitor(screen_num_monitors);
+}
+
+Rect *screen_physical_area_monitor(guint head)
+{
+ if (head > screen_num_monitors)
+ return NULL;
+ return &monitor_area[head];
+}
+
+void screen_set_root_cursor()
+{
+ if (sn_app_starting())
+ XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
+ ob_cursor(OB_CURSOR_BUSY));
+ else
+ XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
+ ob_cursor(OB_CURSOR_POINTER));
+}
+
+gboolean screen_pointer_pos(int *x, int *y)
+{
+ Window w;
+ int i;
+ guint u;
+
+ return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
+ &w, &w, x, y, &i, &i, &u);
}