gboolean
_gdk_x11_window_simulate_button (GdkWindow *window,
gint x,
gint y,
guint button, /*1..3*/
GdkModifierType modifiers,
GdkEventType button_pressrelease)
{
GdkScreen *screen;
XButtonEvent xev = {
0, /* type */
0, /* serial */
1, /* send_event */
};
gboolean success;
g_return_val_if_fail (button_pressrelease == GDK_BUTTON_PRESS || button_pressrelease == GDK_BUTTON_RELEASE, FALSE);
g_return_val_if_fail (window != NULL, FALSE);
if (!GDK_WINDOW_IS_MAPPED (window))
return FALSE;
screen = gdk_window_get_screen (window);
if (x < 0 && y < 0)
{
x = window->width / 2;
y = window->height / 2;
}
/* Convert to impl coordinates */
x = x + window->abs_x;
y = y + window->abs_y;
xev.type = button_pressrelease == GDK_BUTTON_PRESS ? ButtonPress : ButtonRelease;
xev.display = GDK_WINDOW_XDISPLAY (window);
xev.window = GDK_WINDOW_XID (window);
xev.root = RootWindow (xev.display, GDK_X11_SCREEN (screen)->screen_num);
xev.subwindow = 0;
xev.time = 0;
xev.x = x;
xev.y = y;
xev.x_root = 0;
xev.y_root = 0;
xev.state = modifiers;
xev.button = button;
gdk_x11_display_error_trap_push (GDK_WINDOW_DISPLAY (window));
xev.same_screen = XTranslateCoordinates (xev.display, xev.window, xev.root,
xev.x, xev.y, &xev.x_root, &xev.y_root,
&xev.subwindow);
if (!xev.subwindow)
xev.subwindow = xev.window;
success = xev.same_screen;
success &= 0 != XWarpPointer (xev.display, None, xev.window, 0, 0, 0, 0, xev.x, xev.y);
success &= 0 != XSendEvent (xev.display, xev.window, True, button_pressrelease == GDK_BUTTON_PRESS ? ButtonPressMask : ButtonReleaseMask, (XEvent*) &xev);
XSync (xev.display, False);
success &= 0 == gdk_x11_display_error_trap_pop(GDK_WINDOW_DISPLAY (window));
return success;
}
GdkGrabStatus
gdk_keyboard_grab (GdkWindow * window,
gboolean owner_events,
guint32 time)
{
gint return_val;
unsigned long serial;
GdkDisplay *display;
GdkDisplayX11 *display_x11;
GdkWindow *native;
g_return_val_if_fail (window != NULL, 0);
g_return_val_if_fail (GDK_IS_WINDOW (window), 0);
native = gdk_window_get_toplevel (window);
/* TODO: What do we do for offscreens and children? We need to proxy the grab somehow */
if (!GDK_IS_WINDOW_IMPL_X11 (GDK_WINDOW_OBJECT (native)->impl))
return GDK_GRAB_SUCCESS;
display = GDK_WINDOW_DISPLAY (native);
display_x11 = GDK_DISPLAY_X11 (display);
serial = NextRequest (GDK_WINDOW_XDISPLAY (native));
if (!GDK_WINDOW_DESTROYED (native))
{
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_NOGRABS)
return_val = GrabSuccess;
else
#endif
return_val = XGrabKeyboard (GDK_WINDOW_XDISPLAY (native),
GDK_WINDOW_XID (native),
owner_events,
GrabModeAsync, GrabModeAsync,
time);
if (G_UNLIKELY (!display_x11->trusted_client &&
return_val == AlreadyGrabbed))
/* we can't grab the keyboard, but we can do a GTK-local grab */
return_val = GrabSuccess;
}
else
return_val = AlreadyGrabbed;
if (return_val == GrabSuccess)
_gdk_display_set_has_keyboard_grab (display,
window, native,
owner_events,
serial, time);
return gdk_x11_convert_grab_status (return_val);
}
void
gdk_x11_window_force_focus (GdkWindow *window,
guint32 timestamp)
{
GdkDisplay *display;
g_return_if_fail (GDK_IS_WINDOW (window));
display = GDK_WINDOW_DISPLAY (window);
if (GTK_CHECK_VERSION(3,0,0) && !GDK_IS_X11_DISPLAY (display))
return;
if (gdk_x11_screen_supports_net_wm_hint (gdk_window_get_screen (window),
gdk_atom_intern_static_string ("_NET_ACTIVE_WINDOW")))
{
if (!timestamp)
{
GTimeVal t;
g_get_current_time (&t);
timestamp = t.tv_sec;
}
XClientMessageEvent xclient;
memset (&xclient, 0, sizeof (xclient));
xclient.type = ClientMessage;
xclient.window = GDK_WINDOW_XID (window);
xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display,
"_NET_ACTIVE_WINDOW");
xclient.format = 32;
xclient.data.l[0] = 2; /* requestor type; we're a tool */
xclient.data.l[1] = timestamp;
xclient.data.l[2] = None; /* currently active window */
xclient.data.l[3] = 0;
xclient.data.l[4] = 0;
XSendEvent (GDK_DISPLAY_XDISPLAY (display), GDK_WINDOW_XROOTWIN (window), False,
SubstructureRedirectMask | SubstructureNotifyMask,
(XEvent *)&xclient);
}
}
void
gdk_property_delete (GdkWindow *window,
GdkAtom property)
{
g_return_if_fail (!window || GDK_IS_WINDOW (window));
if (!window)
{
GdkScreen *screen = gdk_screen_get_default ();
window = gdk_screen_get_root_window (screen);
GDK_NOTE (MULTIHEAD,
g_message ("gdk_property_delete(): window is NULL\n"));
}
if (GDK_WINDOW_DESTROYED (window))
return;
XDeleteProperty (GDK_WINDOW_XDISPLAY (window), GDK_WINDOW_XWINDOW (window),
gdk_x11_atom_to_xatom_for_display (GDK_WINDOW_DISPLAY (window),
property));
}
void
_gdk_x11_window_process_expose (GdkWindow *window,
gulong serial,
GdkRectangle *area)
{
cairo_region_t *invalidate_region = cairo_region_create_rectangle (area);
GdkX11Display *display_x11 = GDK_X11_DISPLAY (GDK_WINDOW_DISPLAY (window));
if (display_x11->translate_queue)
{
GList *tmp_list = display_x11->translate_queue->head;
while (tmp_list)
{
GdkWindowQueueItem *item = tmp_list->data;
GList *next = tmp_list->next;
/* an overflow-safe (serial < item->serial) */
if (serial - item->serial > (gulong) G_MAXLONG)
{
if (item->window == window)
cairo_region_subtract (invalidate_region, item->antiexpose_area);
}
else
{
queue_delete_link (display_x11->translate_queue, tmp_list);
queue_item_free (item);
}
tmp_list = next;
}
}
if (!cairo_region_is_empty (invalidate_region))
_gdk_window_invalidate_for_expose (window, invalidate_region);
cairo_region_destroy (invalidate_region);
}
GdkGrabStatus
_gdk_windowing_pointer_grab (GdkWindow *window,
GdkWindow *native,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time)
{
gint return_val;
GdkCursorPrivate *cursor_private;
GdkDisplayX11 *display_x11;
guint xevent_mask;
Window xwindow;
Window xconfine_to;
Cursor xcursor;
int i;
if (confine_to)
confine_to = _gdk_window_get_impl_window (confine_to);
display_x11 = GDK_DISPLAY_X11 (GDK_WINDOW_DISPLAY (native));
cursor_private = (GdkCursorPrivate*) cursor;
xwindow = GDK_WINDOW_XID (native);
if (!confine_to || GDK_WINDOW_DESTROYED (confine_to))
xconfine_to = None;
else
xconfine_to = GDK_WINDOW_XID (confine_to);
if (!cursor)
xcursor = None;
else
{
_gdk_x11_cursor_update_theme (cursor);
xcursor = cursor_private->xcursor;
}
xevent_mask = 0;
for (i = 0; i < _gdk_nenvent_masks; i++)
{
if (event_mask & (1 << (i + 1)))
xevent_mask |= _gdk_event_mask_table[i];
}
/* We don't want to set a native motion hint mask, as we're emulating motion
* hints. If we set a native one we just wouldn't get any events.
*/
xevent_mask &= ~PointerMotionHintMask;
return_val = _gdk_input_grab_pointer (window,
native,
owner_events,
event_mask,
confine_to,
time);
if (return_val == GrabSuccess ||
G_UNLIKELY (!display_x11->trusted_client && return_val == AlreadyGrabbed))
{
if (!GDK_WINDOW_DESTROYED (native))
{
#ifdef G_ENABLE_DEBUG
if (_gdk_debug_flags & GDK_DEBUG_NOGRABS)
return_val = GrabSuccess;
else
#endif
return_val = XGrabPointer (GDK_WINDOW_XDISPLAY (native),
xwindow,
owner_events,
xevent_mask,
GrabModeAsync, GrabModeAsync,
xconfine_to,
xcursor,
time);
}
else
return_val = AlreadyGrabbed;
}
if (return_val == GrabSuccess)
_gdk_x11_roundtrip_async (GDK_DISPLAY_OBJECT (display_x11),
has_pointer_grab_callback,
NULL);
return gdk_x11_convert_grab_status (return_val);
}
static void
gdk_window_queue (GdkWindow *window,
GdkWindowQueueItem *item)
{
GdkX11Display *display_x11 = GDK_X11_DISPLAY (GDK_WINDOW_DISPLAY (window));
if (!display_x11->translate_queue)
display_x11->translate_queue = g_queue_new ();
/* Keep length of queue finite by, if it grows too long,
* figuring out the latest relevant serial and discarding
* irrelevant queue items.
*/
if (display_x11->translate_queue->length >= 64)
{
gulong serial = find_current_serial (GDK_WINDOW_XDISPLAY (window));
GList *tmp_list = display_x11->translate_queue->head;
while (tmp_list)
{
GdkWindowQueueItem *item = tmp_list->data;
GList *next = tmp_list->next;
/* an overflow-safe (item->serial < serial) */
if (item->serial - serial > (gulong) G_MAXLONG)
{
queue_delete_link (display_x11->translate_queue, tmp_list);
queue_item_free (item);
}
tmp_list = next;
}
}
/* Catch the case where someone isn't processing events and there
* is an event stuck in the event queue with an old serial:
* If we can't reduce the queue length by the above method,
* discard anti-expose items. (We can't discard translate
* items
*/
if (display_x11->translate_queue->length >= 64)
{
GList *tmp_list = display_x11->translate_queue->head;
while (tmp_list)
{
GdkWindowQueueItem *item = tmp_list->data;
GList *next = tmp_list->next;
queue_delete_link (display_x11->translate_queue, tmp_list);
queue_item_free (item);
tmp_list = next;
}
}
item->window = window;
item->serial = NextRequest (GDK_WINDOW_XDISPLAY (window));
g_object_add_weak_pointer (G_OBJECT (window),
(gpointer *)&(item->window));
g_queue_push_tail (display_x11->translate_queue, item);
}
gboolean
_gdk_x11_window_simulate_key (GdkWindow *window,
gint x,
gint y,
guint keyval,
GdkModifierType modifiers,
GdkEventType key_pressrelease)
{
GdkScreen *screen;
GdkKeymapKey *keys = NULL;
gboolean success;
gint n_keys = 0;
XKeyEvent xev = {
0, /* type */
0, /* serial */
1, /* send_event */
};
g_return_val_if_fail (key_pressrelease == GDK_KEY_PRESS || key_pressrelease == GDK_KEY_RELEASE, FALSE);
g_return_val_if_fail (window != NULL, FALSE);
if (!GDK_WINDOW_IS_MAPPED (window))
return FALSE;
screen = gdk_window_get_screen (window);
if (x < 0 && y < 0)
{
x = window->width / 2;
y = window->height / 2;
}
/* Convert to impl coordinates */
x = x + window->abs_x;
y = y + window->abs_y;
xev.type = key_pressrelease == GDK_KEY_PRESS ? KeyPress : KeyRelease;
xev.display = GDK_WINDOW_XDISPLAY (window);
xev.window = GDK_WINDOW_XID (window);
xev.root = RootWindow (xev.display, GDK_X11_SCREEN (screen)->screen_num);
xev.subwindow = 0;
xev.time = 0;
xev.x = MAX (x, 0);
xev.y = MAX (y, 0);
xev.x_root = 0;
xev.y_root = 0;
xev.state = modifiers;
xev.keycode = 0;
success = gdk_keymap_get_entries_for_keyval (gdk_keymap_get_for_display (gdk_window_get_display (window)), keyval, &keys, &n_keys);
success &= n_keys > 0;
if (success)
{
gint i;
for (i = 0; i < n_keys; i++)
if (keys[i].group == 0 && (keys[i].level == 0 || keys[i].level == 1))
{
xev.keycode = keys[i].keycode;
if (keys[i].level == 1)
{
/* Assume shift takes us to level 1 */
xev.state |= GDK_SHIFT_MASK;
}
break;
}
if (i >= n_keys) /* no match for group==0 and level==0 or 1 */
xev.keycode = keys[0].keycode;
}
g_free (keys);
if (!success)
return FALSE;
gdk_x11_display_error_trap_push (GDK_WINDOW_DISPLAY (window));
xev.same_screen = XTranslateCoordinates (xev.display, xev.window, xev.root,
xev.x, xev.y, &xev.x_root, &xev.y_root,
&xev.subwindow);
if (!xev.subwindow)
xev.subwindow = xev.window;
success &= xev.same_screen;
if (x >= 0 && y >= 0)
success &= 0 != XWarpPointer (xev.display, None, xev.window, 0, 0, 0, 0, xev.x, xev.y);
success &= 0 != XSendEvent (xev.display, xev.window, True, key_pressrelease == GDK_KEY_PRESS ? KeyPressMask : KeyReleaseMask, (XEvent*) &xev);
XSync (xev.display, False);
success &= 0 == gdk_x11_display_error_trap_pop (GDK_WINDOW_DISPLAY (window));
return success;
}
