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XCB port for kwinglobals.h

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displayWidth/Height() are rewritten on top of XCB. rootWindow() and
xTime() return xcb datatype instead of XLib datatype.

Unfortunatelly it's not possible to cache the result for displayWidth and
Height, but getting the default screen is cached and provided in another
method.

REVIEW: 109177
This commit is contained in:
Martin Gräßlin 2013-02-26 08:14:17 +01:00
parent b99e1c0a6b
commit e2cbe329c1
1 changed files with 25 additions and 4 deletions
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29
libkwineffects/kwinglobals.h
View file

@ -30,6 +30,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <X11/Xlib.h>
#include <X11/Xlib-xcb.h>
#include <fixx11h.h>
#include <xcb/xcb.h>
#include <kwinconfig.h>
@ -146,27 +147,47 @@ KWIN_EXPORT xcb_connection_t *connection()
}
inline
KWIN_EXPORT Window rootWindow()
KWIN_EXPORT xcb_window_t rootWindow()
{
return QX11Info::appRootWindow();
}
inline
KWIN_EXPORT Window xTime()
KWIN_EXPORT xcb_timestamp_t xTime()
{
return QX11Info::appTime();
}
inline
KWIN_EXPORT xcb_screen_t *defaultScreen()
{
static xcb_screen_t *s_screen = NULL;
if (s_screen) {
return s_screen;
}
int screen = QX11Info::appScreen();
for (xcb_screen_iterator_t it = xcb_setup_roots_iterator(xcb_get_setup(connection()));
it.rem;
--screen, xcb_screen_next(&it)) {
if (screen == 0) {
s_screen = it.data;
}
}
return s_screen;
}
inline
KWIN_EXPORT int displayWidth()
{
return XDisplayWidth(display(), DefaultScreen(display()));
xcb_screen_t *screen = defaultScreen();
return screen ? screen->width_in_pixels : 0;
}
inline
KWIN_EXPORT int displayHeight()
{
return XDisplayHeight(display(), DefaultScreen(display()));
xcb_screen_t *screen = defaultScreen();
return screen ? screen->height_in_pixels : 0;
}
/** @internal */