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openbox/openbox/screen.c

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#include "debug.h"
#include "openbox.h"
#include "dock.h"
#include "xerror.h"
#include "prop.h"
#include "startup.h"
#include "grab.h"
#include "timer.h"
#include "config.h"
#include "screen.h"
#include "client.h"
#include "frame.h"
#include "focus.h"
#include "popup.h"
#include "dispatch.h"
#include "extensions.h"
#include "render/render.h"
#ifdef USE_LIBSN
# define SN_API_NOT_YET_FROZEN
# include <libsn/sn.h>
#endif
#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 | \
SubstructureNotifyMask | SubstructureRedirectMask | \
ButtonPressMask | ButtonReleaseMask | ButtonMotionMask)
guint screen_num_desktops;
guint screen_num_monitors;
guint screen_desktop;
Size screen_physical_size;
gboolean screen_showing_desktop;
DesktopLayout screen_desktop_layout;
char **screen_desktop_names;
Window screen_support_win;
static Rect **area; /* array of desktop holding array of xinerama areas */
static Rect *monitor_area;
static Popup *desktop_cycle_popup;
#ifdef USE_LIBSN
static SnMonitorContext *sn_context;
static int sn_busy_cnt;
static ObTimer *sn_timer;
static void sn_event_func(SnMonitorEvent *event, void *data);
#endif
static void set_root_cursor();
static gboolean replace_wm()
{
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);
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()
{
XSetWindowAttributes attrib;
pid_t pid;
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;
}
ob_debug("Managing screen %d\n", ob_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 = 61;
i = 0;
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_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_moveresize_window;
supported[i++] = prop_atoms.net_wm_moveresize;
supported[i++] = prop_atoms.net_wm_moveresize_size_topleft;
supported[i++] = prop_atoms.net_wm_moveresize_size_top;
supported[i++] = prop_atoms.net_wm_moveresize_size_topright;
supported[i++] = prop_atoms.net_wm_moveresize_size_right;
supported[i++] = prop_atoms.net_wm_moveresize_size_bottomright;
supported[i++] = prop_atoms.net_wm_moveresize_size_bottom;
supported[i++] = prop_atoms.net_wm_moveresize_size_bottomleft;
supported[i++] = prop_atoms.net_wm_moveresize_size_left;
supported[i++] = prop_atoms.net_wm_moveresize_move;
supported[i++] = prop_atoms.net_wm_moveresize_size_keyboard;
supported[i++] = prop_atoms.net_wm_moveresize_move_keyboard;
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()
{
GSList *it;
guint i;
desktop_cycle_popup = popup_new(FALSE);
/* 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;
screen_num_desktops = 0;
screen_set_num_desktops(config_desktops_num);
if (startup_desktop >= screen_num_desktops)
startup_desktop = 0;
screen_desktop = startup_desktop;
screen_set_desktop(startup_desktop);
/* 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();
#ifdef USE_LIBSN
sn_context = sn_monitor_context_new(ob_sn_display, ob_screen,
sn_event_func, NULL, NULL);
sn_busy_cnt = 0;
#endif
}
void screen_shutdown()
{
Rect **r;
popup_free(desktop_cycle_popup);
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);
for (r = area; *r; ++r)
g_free(*r);
g_free(area);
}
void screen_resize()
{
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 */
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 = it->next)
client_move_onscreen(it->data, FALSE);
}
void screen_set_num_desktops(guint num)
{
guint i, old;
guint32 *viewport;
GList *it;
g_assert(num > 0);
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(guint32, 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();
/* 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]);
/* realloc the array */
focus_order = g_renew(GList*, focus_order, num);
/* set the new lists to be empty */
for (i = old; i < num; ++i)
focus_order[i] = NULL;
/* 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();
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)
{
GList *it;
guint old;
XEvent e;
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;
ob_debug("Moving to desktop %d\n", num+1);
/* 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) {
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) {
if (WINDOW_IS_CLIENT(it->data)) {
ObClient *c = it->data;
if (c->frame->visible && !client_should_show(c))
frame_hide(c->frame);
}
}
/* focus the last focused window on the desktop, and ignore enter events
from the switch so it doesnt mess with the focus */
while (XCheckTypedEvent(ob_display, EnterNotify, &e));
#ifdef DEBUG_FOCUS
ob_debug("switch fallback\n");
#endif
focus_fallback(OB_FOCUS_FALLBACK_DESKTOP);
#ifdef DEBUG_FOCUS
ob_debug("/switch fallback\n");
#endif
dispatch_ob(Event_Ob_Desktop, num, old);
}
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;
}
static void popup_cycle(guint d, gboolean show)
{
Rect *a;
if (!show) {
popup_hide(desktop_cycle_popup);
} else {
a = screen_physical_area_monitor(0);
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
*/
popup_size(desktop_cycle_popup, POPUP_WIDTH, POPUP_HEIGHT);
popup_set_text_align(desktop_cycle_popup, RR_JUSTIFY_CENTER);
popup_show(desktop_cycle_popup,
screen_desktop_names[d], NULL);
}
}
guint screen_cycle_desktop(ObDirection dir, gboolean wrap, gboolean linear,
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) {
screen_set_desktop(d);
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 (config_desktop_popup) {
popup_cycle(d, TRUE);
return d;
}
done_cycle:
first = TRUE;
popup_cycle(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;
}
/* fill in a zero rows/columns */
if ((data[1] == 0 && data[2] == 0) || /* both 0's is bad data.. */
(data[1] != 0 && data[2] != 0)) { /* no 0's is bad data.. */
goto screen_update_layout_bail;
} else {
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];
}
cols = data[1];
rows = data[2];
}
/* bounds checking */
if (orient == OB_ORIENTATION_HORZ) {
rows = MIN(rows, screen_num_desktops);
cols = MIN(cols, ((screen_num_desktops +
(screen_num_desktops % rows)) / rows));
} else {
cols = MIN(cols, screen_num_desktops);
rows = MIN(rows, ((screen_num_desktops +
(screen_num_desktops % cols)) / 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(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;
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 != NULL; it = it->prev) {
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) {
if (WINDOW_IS_CLIENT(it->data)) {
ObClient *client = it->data;
if (!client->frame->visible && client_should_show(client))
frame_show(client->frame);
}
}
}
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(RootWindow(ob_display, ob_screen),
net_showing_desktop, cardinal, show);
dispatch_ob(Event_Ob_ShowDesktop, show, 0);
}
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);
}
}
}
void screen_update_areas()
{
guint i, x;
guint32 *dims;
GList *it;
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_new(Rect, screen_num_monitors + 1);
area[i] = NULL;
dims = g_new(guint32, 4 * screen_num_desktops);
for (i = 0; i < screen_num_desktops + 1; ++i) {
Strut s;
int l, r, t, b;
/* 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 struts */
STRUT_SET(s, 0, 0, 0, 0);
for (it = client_list; it; it = it->next)
STRUT_ADD(s, ((ObClient*)it->data)->strut);
STRUT_ADD(s, dock_strut);
if (s.left) {
int o;
/* 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) {
int edge = o + s.left - area[i][x].x;
if (edge > 0) {
area[i][x].x += edge;
area[i][x].width -= edge;
}
}
area[i][screen_num_monitors].x += s.left;
area[i][screen_num_monitors].width -= s.left;
}
if (s.top) {
int o;
/* find the left-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) {
int edge = o + s.top - area[i][x].y;
if (edge > 0) {
area[i][x].y += edge;
area[i][x].height -= edge;
}
}
area[i][screen_num_monitors].y += s.top;
area[i][screen_num_monitors].height -= s.top;
}
if (s.right) {
int o;
/* find the bottom-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) {
int edge = (area[i][x].x + area[i][x].width - 1) -
(o - s.right);
if (edge > 0)
area[i][x].width -= edge;
}
area[i][screen_num_monitors].width -= s.right;
}
if (s.bottom) {
int o;
/* 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) {
int edge = (area[i][x].y + area[i][x].height - 1) -
(o - s.bottom);
if (edge > 0)
area[i][x].height -= edge;
}
area[i][screen_num_monitors].height -= s.bottom;
}
/* XXX when dealing with partial struts, if its in a single
xinerama area, then only subtract it from that area's space
for (x = 0; x < screen_num_monitors; ++x) {
GList *it;
do something smart with it for the 'all xinerama areas' one...
for (it = client_list; it; it = it->next) {
XXX if gunna test this shit, then gotta worry about when
the client moves between xinerama heads..
if (RECT_CONTAINS_RECT(((ObClient*)it->data)->frame->area,
area[i][x])) {
}
}
}
*/
/* 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;
}
}
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];
}
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];
}
static void set_root_cursor()
{
#ifdef USE_LIBSN
if (sn_busy_cnt)
XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
ob_cursor(OB_CURSOR_BUSY));
else
#endif
XDefineCursor(ob_display, RootWindow(ob_display, ob_screen),
ob_cursor(OB_CURSOR_POINTER));
}
#ifdef USE_LIBSN
static void sn_timeout(ObTimer *t, void *data)
{
timer_stop(sn_timer);
sn_timer = NULL;
sn_busy_cnt = 0;
set_root_cursor();
}
static void sn_event_func(SnMonitorEvent *ev, void *data)
{
SnStartupSequence *seq;
const char *seq_id, *bin_name;
int cnt = sn_busy_cnt;
if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
return;
seq_id = sn_startup_sequence_get_id(seq);
bin_name = sn_startup_sequence_get_binary_name(seq);
if (!(seq_id && bin_name))
return;
switch (sn_monitor_event_get_type(ev)) {
case SN_MONITOR_EVENT_INITIATED:
++sn_busy_cnt;
if (sn_timer)
timer_stop(sn_timer);
/* 30 second timeout for apps to start */
sn_timer = timer_start(30 * 1000000, sn_timeout, NULL);
break;
case SN_MONITOR_EVENT_CHANGED:
break;
case SN_MONITOR_EVENT_COMPLETED:
if (sn_busy_cnt) --sn_busy_cnt;
if (sn_timer) {
timer_stop(sn_timer);
sn_timer = NULL;
}
break;
case SN_MONITOR_EVENT_CANCELED:
if (sn_busy_cnt) --sn_busy_cnt;
if (sn_timer) {
timer_stop(sn_timer);
sn_timer = NULL;
}
};
if (sn_busy_cnt != cnt)
set_root_cursor();
}
#endif
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);
}
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