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Adding some convenient functions to wrap xcb calls

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Commonly needed functionality, like
* move/resize windows
* restack windows
* restack to top of stack
This commit is contained in:
Martin Gräßlin 2013-01-21 08:34:48 +01:00
parent 63356876ac
commit 2a2d85672f
1 changed files with 49 additions and 0 deletions
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49
xcbutils.h
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@ -452,6 +452,55 @@ void Window::setBackgroundPixmap(xcb_pixmap_t pixmap)
xcb_change_window_attributes(connection(), m_window, XCB_CW_BACK_PIXMAP, values);
}
// helper functions
static inline void moveResizeWindow(WindowId window, const QRect &geometry)
{
const uint16_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
const uint32_t values[] = {
static_cast<uint32_t>(geometry.x()),
static_cast<uint32_t>(geometry.y()),
static_cast<uint32_t>(geometry.width()),
static_cast<uint32_t>(geometry.height())
};
xcb_configure_window(connection(), window, mask, values);
}
static inline WindowId createInputWindow(const QRect &geometry, uint32_t mask, const uint32_t *values)
{
WindowId window = xcb_generate_id(connection());
xcb_create_window(connection(), 0, window, rootWindow(),
geometry.x(), geometry.y(), geometry.width(), geometry.height(),
0, XCB_WINDOW_CLASS_INPUT_ONLY,
XCB_COPY_FROM_PARENT, mask, values);
return window;
}
static inline void restackWindows(const QVector<xcb_window_t> &windows)
{
if (windows.count() < 2) {
// only one window, nothing to do
return;
}
for (int i=1; i<windows.count(); ++i) {
const uint16_t mask = XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE;
const uint32_t stackingValues[] = {
windows.at(i-1),
XCB_STACK_MODE_BELOW
};
xcb_configure_window(connection(), windows.at(i), mask, stackingValues);
}
}
static inline void restackWindowsWithRaise(const QVector<xcb_window_t> &windows)
{
if (windows.isEmpty()) {
return;
}
const uint32_t values[] = { XCB_STACK_MODE_ABOVE };
xcb_configure_window(connection(), windows.first(), XCB_CONFIG_WINDOW_STACK_MODE, values);
restackWindows(windows);
}
} // namespace X11
} // namespace KWin