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add xorg PutWindowBelow.

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This commit is contained in:
Miroslav Šedivý 2021-01-18 21:43:44 +01:00
parent 54760551f7
commit b49ed65a5c
4 changed files with 56 additions and 0 deletions
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4
internal/desktop/xorg.go
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@ -113,3 +113,7 @@ func (manager *DesktopManagerCtx) GetKeyboardModifiers() types.KeyboardModifiers
func (manager *DesktopManagerCtx) GetCursorImage() *types.CursorImage {
return xorg.GetCursorImage()
}
func (manager *DesktopManagerCtx) PutWindowBelow(window uint32) {
xorg.PutWindowBelow(window)
}

43
internal/desktop/xorg/xorg.c
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@ -136,3 +136,46 @@ XFixesCursorImage *XGetCursorImage(void) {
Display *display = getXDisplay();
return XFixesGetCursorImage(display);
}
void XPutWindowBelow(Window window) {
Display *display = getXDisplay();
Window root = RootWindow(display, 0);
// The WM_TRANSIENT_FOR property is defined by the [ICCCM] for managed windows.
// This specification extends the use of the property to override-redirect windows.
// If an override-redirect is a pop-up on behalf of another window, then the Client
// SHOULD set WM_TRANSIENT_FOR on the override-redirect to this other window.
//
// As an example, a Client should set WM_TRANSIENT_FOR on dropdown menus to the
// toplevel application window that contains the menubar.
// Remove WM_TRANSIENT_FOR
Atom WM_TRANSIENT_FOR = XInternAtom(display, "WM_TRANSIENT_FOR", 0);
XDeleteProperty(display, window, WM_TRANSIENT_FOR);
// Add _NET_WM_STATE_BELOW
XClientMessageEvent clientMessageEvent;
memset(&clientMessageEvent, 0, sizeof(clientMessageEvent));
// window = the respective client window
// message_type = _NET_WM_STATE
// format = 32
// data.l[0] = the action, as listed below
// _NET_WM_STATE_REMOVE 0 // remove/unset property
// _NET_WM_STATE_ADD 1 // add/set property
// _NET_WM_STATE_TOGGLE 2 // toggle property
// data.l[1] = first property to alter
// data.l[2] = second property to alter
// data.l[3] = source indication
// other data.l[] elements = 0
clientMessageEvent.type = ClientMessage;
clientMessageEvent.window = window;
clientMessageEvent.message_type = XInternAtom(display, "_NET_WM_STATE", 0);
clientMessageEvent.format = 32;
clientMessageEvent.data.l[0] = 1;
clientMessageEvent.data.l[1] = XInternAtom(display, "_NET_WM_STATE_BELOW", 0);
clientMessageEvent.data.l[3] = 1;
XSendEvent(display, root, 0, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent *)&clientMessageEvent);
}

7
internal/desktop/xorg/xorg.go
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@ -244,6 +244,13 @@ func GetCursorImage() *types.CursorImage {
}
}
func PutWindowBelow(window uint32) {
mu.Lock()
defer mu.Unlock()
C.XPutWindowBelow(C.Window(window))
}
//export goCreateScreenSize
func goCreateScreenSize(index C.int, width C.int, height C.int, mwidth C.int, mheight C.int) {
ScreenConfigurations[int(index)] = types.ScreenConfiguration{

2
internal/desktop/xorg/xorg.h
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@ -28,3 +28,5 @@ short XGetScreenRate();
void XSetKeyboardModifier(int mod, int on);
char XGetKeyboardModifiers();
XFixesCursorImage *XGetCursorImage(void);
void XPutWindowBelow(Window window);