QSystemTrayIconSys::QSystemTrayIconSys(QSystemTrayIcon *q)
: QWidget(0, Qt::FramelessWindowHint | Qt::X11BypassWindowManagerHint),
q(q), colormap(0)
{
setAttribute(Qt::WA_AlwaysShowToolTips);
setAttribute(Qt::WA_QuitOnClose, false);
setAttribute(Qt::WA_NoSystemBackground, true);
setAttribute(Qt::WA_PaintOnScreen);
static bool eventFilterAdded = false;
Display *display = QX11Info::display();
if (!eventFilterAdded) {
oldEventFilter = qApp->setEventFilter(sysTrayTracker);
eventFilterAdded = true;
Window root = QX11Info::appRootWindow();
XWindowAttributes attr;
XGetWindowAttributes(display, root, &attr);
if ((attr.your_event_mask & StructureNotifyMask) != StructureNotifyMask) {
(void) QApplication::desktop(); // lame trick to ensure our event mask is not overridden
XSelectInput(display, root, attr.your_event_mask | StructureNotifyMask); // for MANAGER selection
}
}
if (trayIcons.isEmpty()) {
sysTrayWindow = locateSystemTray();
if (sysTrayWindow != XNone)
XSelectInput(display, sysTrayWindow, StructureNotifyMask); // track tray events
}
trayIcons.append(this);
setMouseTracking(true);
#ifndef QT_NO_TOOLTIP
setToolTip(q->toolTip());
#endif
if (sysTrayWindow != XNone)
addToTray();
}
bool QSystemTrayIconSys::sysTrayTracker(void *message, long *result)
{
bool retval = false;
if (QSystemTrayIconSys::oldEventFilter)
retval = QSystemTrayIconSys::oldEventFilter(message, result);
if (trayIcons.isEmpty())
return retval;
Display *display = QX11Info::display();
XEvent *ev = (XEvent *)message;
if (ev->type == DestroyNotify && ev->xany.window == sysTrayWindow) {
sysTrayWindow = locateSystemTray();
memset(&sysTrayVisual, 0, sizeof(sysTrayVisual));
for (int i = 0; i < trayIcons.count(); i++) {
if (sysTrayWindow == XNone) {
QBalloonTip::hideBalloon();
trayIcons[i]->hide(); // still no luck
trayIcons[i]->destroy();
trayIcons[i]->create();
} else
trayIcons[i]->addToTray(); // add it to the new tray
}
retval = true;
} else if (ev->type == ClientMessage && sysTrayWindow == XNone) {
static Atom manager_atom = XInternAtom(display, "MANAGER", False);
XClientMessageEvent *cm = (XClientMessageEvent *)message;
if ((cm->message_type == manager_atom) && ((Atom)cm->data.l[1] == sysTraySelection)) {
sysTrayWindow = cm->data.l[2];
memset(&sysTrayVisual, 0, sizeof(sysTrayVisual));
XSelectInput(display, sysTrayWindow, StructureNotifyMask);
for (int i = 0; i < trayIcons.count(); i++) {
trayIcons[i]->addToTray();
}
retval = true;
}
} else if (ev->type == PropertyNotify && ev->xproperty.atom == ATOM(_NET_SYSTEM_TRAY_VISUAL) &&
ev->xproperty.window == sysTrayWindow) {
memset(&sysTrayVisual, 0, sizeof(sysTrayVisual));
for (int i = 0; i < trayIcons.count(); i++) {
trayIcons[i]->addToTray();
}
}
return retval;
}
XVisualInfo* QSystemTrayIconSys::getSysTrayVisualInfo()
{
Display *display = QX11Info::display();
if (!sysTrayVisual.visual) {
Window win = locateSystemTray();
if (win != XNone) {
Atom actual_type;
int actual_format;
ulong nitems, bytes_remaining;
uchar *data = 0;
int result = XGetWindowProperty(display, win, ATOM(_NET_SYSTEM_TRAY_VISUAL), 0, 1,
False, XA_VISUALID, &actual_type,
&actual_format, &nitems, &bytes_remaining, &data);
VisualID vid = 0;
if (result == Success && data && actual_type == XA_VISUALID && actual_format == 32 &&
nitems == 1 && bytes_remaining == 0)
vid = *(VisualID*)data;
if (data)
XFree(data);
if (vid == 0)
return 0;
uint mask = VisualIDMask;
XVisualInfo *vi, rvi;
int count;
rvi.visualid = vid;
vi = XGetVisualInfo(display, mask, &rvi, &count);
if (vi) {
sysTrayVisual = vi[0];
XFree((char*)vi);
}
if (sysTrayVisual.depth != 32)
memset(&sysTrayVisual, 0, sizeof(sysTrayVisual));
}
}
return sysTrayVisual.visual ? &sysTrayVisual : 0;
}
bool QXcbNativeInterface::systrayVisualHasAlphaChannel() {
const QXcbScreen *screen = static_cast<QXcbScreen *>(QGuiApplication::primaryScreen()->handle());
if (m_systrayVisualId == XCB_NONE) {
xcb_connection_t *xcb_conn = screen->xcb_connection();
xcb_atom_t tray_atom = screen->atom(QXcbAtom::_NET_SYSTEM_TRAY_VISUAL);
xcb_window_t systray_window = locateSystemTray(xcb_conn, screen);
if (systray_window == XCB_WINDOW_NONE)
return false;
// Get the xcb property for the _NET_SYSTEM_TRAY_VISUAL atom
xcb_get_property_cookie_t systray_atom_cookie;
xcb_get_property_reply_t *systray_atom_reply;
systray_atom_cookie = xcb_get_property_unchecked(xcb_conn, false, systray_window,
tray_atom, XCB_ATOM_VISUALID, 0, 1);
systray_atom_reply = xcb_get_property_reply(xcb_conn, systray_atom_cookie, 0);
if (!systray_atom_reply)
return false;
if (systray_atom_reply->value_len > 0 && xcb_get_property_value_length(systray_atom_reply) > 0) {
xcb_visualid_t * vids = (uint32_t *)xcb_get_property_value(systray_atom_reply);
m_systrayVisualId = vids[0];
}
free(systray_atom_reply);
}
if (m_systrayVisualId != XCB_NONE) {
quint8 depth = screen->depthOfVisual(m_systrayVisualId);
return depth == 32;
} else {
return false;
}
}
