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Port ObscuringWindows to xcb

icc-effect-5.14.5
Martin Gräßlin 2014-04-25 14:24:52 +02:00
parent 75f80e88ed
commit 160093a359
1 changed files with 17 additions and 27 deletions
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44
workspace.cpp
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@ -843,54 +843,44 @@ public:
~ObscuringWindows();
void create(Client* c);
private:
QList<Window> obscuring_windows;
static QList<Window>* cached;
QList<xcb_window_t> obscuring_windows;
static QList<xcb_window_t>* cached;
static unsigned int max_cache_size;
};
QList<Window>* ObscuringWindows::cached = 0;
QList<xcb_window_t>* ObscuringWindows::cached = nullptr;
unsigned int ObscuringWindows::max_cache_size = 0;
void ObscuringWindows::create(Client* c)
{
if (cached == 0)
cached = new QList<Window>;
Window obs_win;
XWindowChanges chngs;
int mask = CWSibling | CWStackMode;
if (!cached)
cached = new QList<xcb_window_t>;
Xcb::Window obs_win(XCB_WINDOW_NONE, false);
if (cached->count() > 0) {
cached->removeAll(obs_win = cached->first());
chngs.x = c->x();
chngs.y = c->y();
chngs.width = c->width();
chngs.height = c->height();
mask |= CWX | CWY | CWWidth | CWHeight;
obs_win.reset(cached->first(), false);
cached->removeAll(obs_win);
obs_win.setGeometry(c->geometry());
} else {
XSetWindowAttributes a;
a.background_pixmap = None;
a.override_redirect = True;
obs_win = XCreateWindow(display(), rootWindow(), c->x(), c->y(),
c->width(), c->height(), 0, CopyFromParent, InputOutput,
CopyFromParent, CWBackPixmap | CWOverrideRedirect, &a);
uint32_t values[] = {XCB_PIXMAP_NONE, true};
obs_win.create(c->geometry(), XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_CW_BACK_PIXMAP | XCB_CW_OVERRIDE_REDIRECT, values);
}
chngs.sibling = c->frameId();
chngs.stack_mode = Below;
XConfigureWindow(display(), obs_win, mask, &chngs);
XMapWindow(display(), obs_win);
uint32_t values[] = {c->frameId(), XCB_STACK_MODE_BELOW};
xcb_configure_window(connection(), obs_win, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
obs_win.map();
obscuring_windows.append(obs_win);
}
ObscuringWindows::~ObscuringWindows()
{
max_cache_size = qMax(int(max_cache_size), obscuring_windows.count() + 4) - 1;
for (QList<Window>::ConstIterator it = obscuring_windows.constBegin();
for (auto it = obscuring_windows.constBegin();
it != obscuring_windows.constEnd();
++it) {
XUnmapWindow(display(), *it);
xcb_unmap_window(connection(), *it);
if (cached->count() < int(max_cache_size))
cached->prepend(*it);
else
XDestroyWindow(display(), *it);
xcb_destroy_window(connection(), *it);
}
}