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Support bypass compositor hints

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Add support for _NET_WM_BYPASS_COMPOSITOR and _NET_WM_DONT_BYPASS_COMPOSITOR
as proposed here: https://mail.gnome.org/archives/wm-spec-list/2012-February/msg00010.html

https://bugzilla.gnome.org/show_bug.cgi?id=683020
This commit is contained in:
Adel Gadllah
2012-08-30 08:40:18 +02:00
parent 6f3ae06362
commit 3876a1a192
6 changed files with 94 additions and 2 deletions
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4
src/core/window-private.h
View File

@@ -413,6 +413,10 @@ struct _MetaWindow
/* The currently complementary tiled window, if any */
MetaWindow *tile_match;
/* Bypass compositor hints */
guint bypass_compositor : 1;
guint dont_bypass_compositor : 1;
};
struct _MetaWindowClass

54
src/core/window-props.c
View File

@@ -1584,6 +1584,58 @@ reload_gtk_hide_titlebar_when_maximized (MetaWindow *window,
}
}
static void
reload_bypass_compositor (MetaWindow *window,
MetaPropValue *value,
gboolean initial)
{
gboolean requested_value = FALSE;
gboolean current_value = window->bypass_compositor;
if (value->type != META_PROP_VALUE_INVALID)
{
requested_value = ((int) value->v.cardinal == 1);
meta_verbose ("Request to bypass compositor for window %s.\n", window->desc);
}
if (requested_value == current_value)
return;
if (requested_value && window->dont_bypass_compositor)
{
meta_verbose ("Setting bypass and dont compositor for same window (%s) makes no sense, ignoring.\n", window->desc);
return;
}
window->bypass_compositor = requested_value;
}
static void
reload_dont_bypass_compositor (MetaWindow *window,
MetaPropValue *value,
gboolean initial)
{
gboolean requested_value = FALSE;
gboolean current_value = window->dont_bypass_compositor;
if (value->type != META_PROP_VALUE_INVALID)
{
requested_value = ((int) value->v.cardinal == 1);
meta_verbose ("Request to don't bypass compositor for window %s.\n", window->desc);
}
if (requested_value == current_value)
return;
if (requested_value && window->bypass_compositor)
{
meta_verbose ("Setting bypass and dont compositor for same window (%s) makes no sense, ignoring.\n", window->desc);
return;
}
window->dont_bypass_compositor = requested_value;
}
#define RELOAD_STRING(var_name, propname) \
static void \
reload_ ## var_name (MetaWindow *window, \
@@ -1683,6 +1735,8 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
{ display->atom__NET_WM_WINDOW_TYPE, META_PROP_VALUE_INVALID, reload_net_wm_window_type, FALSE, TRUE },
{ display->atom__NET_WM_STRUT, META_PROP_VALUE_INVALID, reload_struts, FALSE, FALSE },
{ display->atom__NET_WM_STRUT_PARTIAL, META_PROP_VALUE_INVALID, reload_struts, FALSE, FALSE },
{ display->atom__NET_WM_BYPASS_COMPOSITOR, META_PROP_VALUE_CARDINAL, reload_bypass_compositor, FALSE, FALSE },
{ display->atom__NET_WM_DONT_BYPASS_COMPOSITOR, META_PROP_VALUE_CARDINAL, reload_dont_bypass_compositor, FALSE, FALSE },
{ 0 },
};

22
src/core/window.c
View File

@@ -3640,6 +3640,28 @@ meta_window_is_on_primary_monitor (MetaWindow *window)
return window->monitor->is_primary;
}
/**
* meta_window_requested_bypass_compositor:
*
* Return value: %TRUE if the window requested to bypass the compositor
*/
gboolean
meta_window_requested_bypass_compositor (MetaWindow *window)
{
return window->bypass_compositor;
}
/**
* meta_window_requested_dont_bypass_compositor:
*
* Return value: %TRUE if the window requested to opt out of unredirecting
*/
gboolean
meta_window_requested_dont_bypass_compositor (MetaWindow *window)
{
return window->dont_bypass_compositor;
}
void
meta_window_tile (MetaWindow *window)
{