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openbox/openbox/screen.c

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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
screen.c for the Openbox window manager
Copyright (c) 2006 Mikael Magnusson
Copyright (c) 2003-2007 Dana 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 "event.h"
#include "focus.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 (StructureNotifyMask | PropertyChangeMask | \
EnterWindowMask | LeaveWindowMask | \
SubstructureRedirectMask | \
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
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;
gchar **screen_desktop_names;
Window screen_support_win;
static Rect **area; /* array of desktop holding array of xinerama areas */
static Rect *monitor_area;
static ObPagerPopup *desktop_cycle_popup;
static gboolean replace_wm()
{
gchar *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 == screen_support_win)
current_wm_sn_owner = None;
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()
{
XSetWindowAttributes attrib;
pid_t pid;
gint i, num_support;
gulong *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;
}
screen_set_root_cursor();
/* set the OPENBOX_PID hint */
pid = getpid();
PROP_SET32(RootWindow(ob_display, ob_screen),
openbox_pid, cardinal, pid);
/* set supporting window */
PROP_SET32(RootWindow(ob_display, ob_screen),
net_supporting_wm_check, window, screen_support_win);
/* set properties on the supporting 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 = 55;
i = 0;
supported = g_new(gulong, num_support);
supported[i++] = prop_atoms.net_wm_full_placement;
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_desktop_viewport;
supported[i++] = prop_atoms.net_active_window;
supported[i++] = prop_atoms.net_workarea;
supported[i++] = prop_atoms.net_client_list;
supported[i++] = prop_atoms.net_client_list_stacking;
supported[i++] = prop_atoms.net_desktop_names;
supported[i++] = prop_atoms.net_close_window;
supported[i++] = prop_atoms.net_desktop_layout;
supported[i++] = prop_atoms.net_showing_desktop;
supported[i++] = prop_atoms.net_wm_name;
supported[i++] = prop_atoms.net_wm_visible_name;
supported[i++] = prop_atoms.net_wm_icon_name;
supported[i++] = prop_atoms.net_wm_visible_icon_name;
supported[i++] = prop_atoms.net_wm_desktop;
supported[i++] = prop_atoms.net_wm_strut;
supported[i++] = prop_atoms.net_wm_window_type;
supported[i++] = prop_atoms.net_wm_window_type_desktop;
supported[i++] = prop_atoms.net_wm_window_type_dock;
supported[i++] = prop_atoms.net_wm_window_type_toolbar;
supported[i++] = prop_atoms.net_wm_window_type_menu;
supported[i++] = prop_atoms.net_wm_window_type_utility;
supported[i++] = prop_atoms.net_wm_window_type_splash;
supported[i++] = prop_atoms.net_wm_window_type_dialog;
supported[i++] = prop_atoms.net_wm_window_type_normal;
supported[i++] = prop_atoms.net_wm_allowed_actions;
supported[i++] = prop_atoms.net_wm_action_move;
supported[i++] = prop_atoms.net_wm_action_resize;
supported[i++] = prop_atoms.net_wm_action_minimize;
supported[i++] = prop_atoms.net_wm_action_shade;
supported[i++] = prop_atoms.net_wm_action_maximize_horz;
supported[i++] = prop_atoms.net_wm_action_maximize_vert;
supported[i++] = prop_atoms.net_wm_action_fullscreen;
supported[i++] = prop_atoms.net_wm_action_change_desktop;
supported[i++] = prop_atoms.net_wm_action_close;
supported[i++] = prop_atoms.net_wm_state;
supported[i++] = prop_atoms.net_wm_state_modal;
supported[i++] = prop_atoms.net_wm_state_maximized_vert;
supported[i++] = prop_atoms.net_wm_state_maximized_horz;
supported[i++] = prop_atoms.net_wm_state_shaded;
supported[i++] = prop_atoms.net_wm_state_skip_taskbar;
supported[i++] = prop_atoms.net_wm_state_skip_pager;
supported[i++] = prop_atoms.net_wm_state_hidden;
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_wm_state_demands_attention;
supported[i++] = prop_atoms.net_moveresize_window;
supported[i++] = prop_atoms.net_wm_moveresize;
supported[i++] = prop_atoms.net_wm_user_time;
supported[i++] = prop_atoms.net_frame_extents;
supported[i++] = prop_atoms.ob_wm_state_undecorated;
g_assert(i == num_support);
/*
supported[] = prop_atoms.net_wm_action_stick;
*/
PROP_SETA32(RootWindow(ob_display, ob_screen),
net_supported, atom, supported, num_support);
g_free(supported);
return TRUE;
}
void screen_startup(gboolean reconfig)
{
GSList *it;
guint i;
desktop_cycle_popup = pager_popup_new(FALSE);
if (!reconfig)
/* get the initial size */
screen_resize();
/* set the names */
screen_desktop_names = g_new(gchar*,
g_slist_length(config_desktops_names) + 1);
for (i = 0, it = config_desktops_names; it; ++i, it = g_slist_next(it))
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(MIN(config_screen_firstdesk, screen_num_desktops)
- 1);
/* 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(gboolean reconfig)
{
Rect **r;
pager_popup_free(desktop_cycle_popup);
if (!reconfig) {
XSelectInput(ob_display, RootWindow(ob_display, ob_screen),
NoEventMask);
/* 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);
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()
{
static gint oldw = 0, oldh = 0;
gint w, h;
GList *it;
gulong 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 */
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() == OB_STATE_STARTING)
return;
screen_update_areas();
dock_configure();
for (it = client_list; it; it = g_list_next(it))
client_move_onscreen(it->data, FALSE);
}
void screen_set_num_desktops(guint num)
{
guint old;
gulong *viewport;
GList *it;
g_assert(num > 0);
if (screen_num_desktops == num) return;
old = screen_num_desktops;
screen_num_desktops = 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_SETA32(RootWindow(ob_display, ob_screen),
net_desktop_viewport, cardinal, viewport, num * 2);
g_free(viewport);
/* 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();
/* move windows on desktops that will no longer exist! */
for (it = client_list; it; it = g_list_next(it)) {
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);
}
void screen_set_desktop(guint num)
{
GList *it;
guint old;
g_assert(num < screen_num_desktops);
old = screen_desktop;
screen_desktop = 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; it = g_list_next(it)) {
if (WINDOW_IS_CLIENT(it->data)) {
ObClient *c = it->data;
client_showhide(c);
}
}
/* hide windows from bottom to top */
for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
if (WINDOW_IS_CLIENT(it->data)) {
ObClient *c = it->data;
client_showhide(c);
}
}
event_ignore_queued_enters();
focus_hilite = focus_fallback_target(TRUE, focus_client);
if (focus_hilite) {
frame_adjust_focus(focus_hilite->frame, TRUE);
/*!
When this focus_client check is not used, you can end up with races,
as demonstrated with gnome-panel, sometmies the window you click on
another desktop ends up losing focus cuz of the focus change here.
*/
/*if (!focus_client)*/
client_focus(focus_hilite);
}
}
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) {
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 guint origd, d;
guint r, c;
if (cancel) {
d = origd;
goto done_cycle;
} else if (done && dialog) {
goto done_cycle;
}
if (first) {
first = FALSE;
d = origd = screen_desktop;
}
get_row_col(d, &r, &c);
if (linear) {
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) {
c = 0;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
d = translate_row_col(r, c);
if (d >= screen_num_desktops) {
if (wrap) {
++c;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
break;
case OB_DIRECTION_WEST:
--c;
if (c >= screen_desktop_layout.columns) {
if (wrap) {
c = screen_desktop_layout.columns - 1;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
d = translate_row_col(r, c);
if (d >= screen_num_desktops) {
if (wrap) {
--c;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
break;
case OB_DIRECTION_SOUTH:
++r;
if (r >= screen_desktop_layout.rows) {
if (wrap) {
r = 0;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
d = translate_row_col(r, c);
if (d >= screen_num_desktops) {
if (wrap) {
++r;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
break;
case OB_DIRECTION_NORTH:
--r;
if (r >= screen_desktop_layout.rows) {
if (wrap) {
r = screen_desktop_layout.rows - 1;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
d = translate_row_col(r, c);
if (d >= screen_num_desktops) {
if (wrap) {
--r;
} else {
d = screen_desktop;
goto show_cycle_dialog;
}
}
break;
default:
assert(0);
return d = screen_desktop;
}
d = translate_row_col(r, c);
}
show_cycle_dialog:
if (dialog) {
screen_desktop_popup(d, TRUE);
return d;
}
done_cycle:
first = TRUE;
screen_desktop_popup(0, FALSE);
return d;
}
void screen_update_layout()
{
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);
}
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 */
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(gchar*, 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_printf("Desktop %i", i + 1);
}
}
void screen_show_desktop(gboolean show)
{
GList *it;
if (show == screen_showing_desktop) return; /* no change */
screen_showing_desktop = show;
if (show) {
/* bottom to top */
for (it = g_list_last(stacking_list); it; it = g_list_previous(it)) {
if (WINDOW_IS_CLIENT(it->data)) {
ObClient *client = it->data;
client_showhide(client);
}
}
} else {
/* top to bottom */
for (it = stacking_list; it; it = g_list_next(it)) {
if (WINDOW_IS_CLIENT(it->data)) {
ObClient *client = it->data;
client_showhide(client);
}
}
}
if (show) {
/* focus desktop */
for (it = focus_order; it; it = g_list_next(it)) {
ObClient *c = it->data;
if (c->type == OB_CLIENT_TYPE_DESKTOP &&
(c->desktop == screen_desktop || c->desktop == DESKTOP_ALL) &&
client_validate(it->data) && client_focus(it->data))
break;
}
} else {
focus_fallback(TRUE);
}
show = !!show; /* make it boolean */
PROP_SET32(RootWindow(ob_display, ob_screen),
net_showing_desktop, cardinal, show);
}
void screen_install_colormap(ObClient *client, gboolean install)
{
XWindowAttributes wa;
if (client == NULL) {
if (install)
XInstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
else
XUninstallColormap(RrDisplay(ob_rr_inst), RrColormap(ob_rr_inst));
} else {
if (XGetWindowAttributes(ob_display, client->window, &wa) &&
wa.colormap != None) {
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);
}
}
}
static inline void
screen_area_add_strut_left(const StrutPartial *s, const Rect *monitor_area,
gint edge, Strut *ret)
{
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 inline void
screen_area_add_strut_top(const StrutPartial *s, const Rect *monitor_area,
gint edge, Strut *ret)
{
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;
gulong *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(gulong, 4 * screen_num_desktops);
for (i = 0; i < screen_num_desktops + 1; ++i) {
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 = g_list_next(it)) {
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 = g_list_next(it)) {
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 = g_list_next(it)) {
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 = g_list_next(it)) {
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 = g_list_next(it)) {
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);
}
PROP_SETA32(RootWindow(ob_display, ob_screen), net_workarea, cardinal,
dims, 4 * screen_num_desktops);
g_free(dims);
}
Rect *screen_area(guint desktop)
{
return screen_area_monitor(desktop, screen_num_monitors);
}
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 &area[screen_num_desktops][head];
return NULL;
}
return &area[desktop][head];
}
guint screen_find_monitor(Rect *search)
{
guint i;
guint most = 0;
guint mostv = 0;
for (i = 0; i < screen_num_monitors; ++i) {
Rect *area = screen_physical_area_monitor(i);
if (RECT_INTERSECTS_RECT(*area, *search)) {
Rect r;
guint v;
RECT_SET_INTERSECTION(r, *area, *search);
v = r.width * r.height;
if (v > mostv) {
mostv = v;
most = i;
}
}
}
return most;
}
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(gint *x, gint *y)
{
Window w;
gint i;
guint u;
return !!XQueryPointer(ob_display, RootWindow(ob_display, ob_screen),
&w, &w, x, y, &i, &i, &u);
}
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