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window: Cache _NET_WM_ICON_GEOMETRY

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Rather than doing a server round trip each time when retrieving the
icon geometry, use the existing property mechanism to cache it.

https://bugzilla.gnome.org/show_bug.cgi?id=692997
This commit is contained in:
Florian Müllner 2013-02-01 11:32:53 +01:00
parent c388ccf477
commit 30bdadb519
3 changed files with 37 additions and 27 deletions
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6
src/core/window-private.h
View File

@ -221,6 +221,9 @@ struct _MetaWindow
/* whether net_wm_user_time has been set yet */
guint net_wm_user_time_set : 1;
/* whether net_wm_icon_geometry has been set */
guint icon_geometry_set : 1;
/* These are the flags from WM_PROTOCOLS */
guint take_focus : 1;
guint delete_window : 1;
@ -391,6 +394,9 @@ struct _MetaWindow
*/
MetaRectangle user_rect;
/* Cached net_wm_icon_geometry */
MetaRectangle icon_geometry;
/* Requested geometry */
int border_width;
/* x/y/w/h here get filled with ConfigureRequest values */

29
src/core/window-props.c
View File

@ -245,6 +245,33 @@ reload_kwm_win_icon (MetaWindow *window,
reload_icon (window, window->display->atom__KWM_WIN_ICON);
}
static void
reload_icon_geometry (MetaWindow *window,
MetaPropValue *value,
gboolean initial)
{
if (value->type != META_PROP_VALUE_INVALID)
{
if (value->v.cardinal_list.n_cardinals != 4)
{
meta_verbose ("_NET_WM_ICON_GEOMETRY on %s has %d values instead of 4\n",
window->desc, value->v.cardinal_list.n_cardinals);
}
else
{
window->icon_geometry.x = (int)value->v.cardinal_list.cardinals[0];
window->icon_geometry.y = (int)value->v.cardinal_list.cardinals[1];
window->icon_geometry.width = (int)value->v.cardinal_list.cardinals[2];
window->icon_geometry.height = (int)value->v.cardinal_list.cardinals[3];
window->icon_geometry_set = TRUE;
}
}
else
{
window->icon_geometry_set = FALSE;
}
}
static void
reload_struts (MetaWindow *window,
MetaPropValue *value,
@ -1728,7 +1755,7 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
{ display->atom_WM_STATE, META_PROP_VALUE_INVALID, NULL, FALSE, FALSE },
{ display->atom__NET_WM_ICON, META_PROP_VALUE_INVALID, reload_net_wm_icon, FALSE, FALSE },
{ display->atom__KWM_WIN_ICON, META_PROP_VALUE_INVALID, reload_kwm_win_icon, FALSE, FALSE },
{ display->atom__NET_WM_ICON_GEOMETRY, META_PROP_VALUE_INVALID, NULL, FALSE, FALSE },
{ display->atom__NET_WM_ICON_GEOMETRY, META_PROP_VALUE_CARDINAL_LIST, reload_icon_geometry, FALSE, FALSE },
{ display->atom_WM_CLIENT_LEADER, META_PROP_VALUE_INVALID, complain_about_broken_client, FALSE, FALSE },
{ display->atom_SM_CLIENT_ID, META_PROP_VALUE_INVALID, complain_about_broken_client, FALSE, FALSE },
{ display->atom_WM_WINDOW_ROLE, META_PROP_VALUE_INVALID, reload_wm_window_role, FALSE, FALSE },

29
src/core/window.c
View File

@ -7151,9 +7151,7 @@ send_configure_notify (MetaWindow *window)
*
* Gets the location of the icon corresponding to the window. The location
* will be provided set by the task bar or other user interface element
* displaying the icon, and is relative to the root window. This currently
* retrieves the icon geometry from the X server as a round trip on every
* call.
* displaying the icon, and is relative to the root window.
*
* Return value: %TRUE if the icon geometry was succesfully retrieved.
*/
@ -7161,33 +7159,12 @@ gboolean
meta_window_get_icon_geometry (MetaWindow *window,
MetaRectangle *rect)
{
gulong *geometry = NULL;
int nitems;
g_return_val_if_fail (!window->override_redirect, FALSE);
if (meta_prop_get_cardinal_list (window->display,
window->xwindow,
window->display->atom__NET_WM_ICON_GEOMETRY,
&geometry, &nitems))
if (window->icon_geometry_set)
{
if (nitems != 4)
{
meta_verbose ("_NET_WM_ICON_GEOMETRY on %s has %d values instead of 4\n",
window->desc, nitems);
meta_XFree (geometry);
return FALSE;
}
if (rect)
{
rect->x = geometry[0];
rect->y = geometry[1];
rect->width = geometry[2];
rect->height = geometry[3];
}
meta_XFree (geometry);
*rect = window->icon_geometry;
return TRUE;
}