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x11: Attempt to wait for SDL_MaximizeWindow to complete before returning.

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Fixes #7070.
This commit is contained in:
Ryan C. Gordon 2023-05-30 17:04:31 -04:00
parent d275851dfb
commit 379a6f4dab
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GPG key ID: FA148B892AB48044
1 changed files with 51 additions and 0 deletions
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51
src/video/x11/SDL_x11window.c
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@ -1263,8 +1263,25 @@ static void SetWindowMaximized(_THIS, SDL_Window *window, SDL_bool maximized)
}
if (X11_IsWindowMapped(_this, window)) {
/* !!! FIXME: most of this waiting code is copy/pasted from elsewhere. */
int (*prev_handler)(Display *, XErrorEvent *) = NULL;
XWindowAttributes attrs;
Window childReturn, root, parent;
Window *children;
unsigned int childCount;
int orig_w, orig_h, orig_x, orig_y;
int x, y;
Uint64 timeout;
XEvent e;
X11_XSync(display, False);
X11_XQueryTree(display, data->xwindow, &root, &parent, &children, &childCount);
X11_XGetWindowAttributes(display, data->xwindow, &attrs);
X11_XTranslateCoordinates(display, parent, DefaultRootWindow(display),
attrs.x, attrs.y, &orig_x, &orig_y, &childReturn);
orig_w = attrs.width;
orig_h = attrs.height;
SDL_zero(e);
e.xany.type = ClientMessage;
e.xclient.message_type = _NET_WM_STATE;
@ -1278,6 +1295,40 @@ static void SetWindowMaximized(_THIS, SDL_Window *window, SDL_bool maximized)
X11_XSendEvent(display, RootWindow(display, displaydata->screen), 0,
SubstructureNotifyMask | SubstructureRedirectMask, &e);
/* Wait a brief time to see if the window manager decided to let this happen.
If the window changes at all, even to an unexpected value, we break out. */
X11_XSync(display, False);
prev_handler = X11_XSetErrorHandler(X11_CatchAnyError);
timeout = SDL_GetTicks64() + 1000;
while (SDL_TRUE) {
caught_x11_error = SDL_FALSE;
X11_XSync(display, False);
X11_XGetWindowAttributes(display, data->xwindow, &attrs);
X11_XTranslateCoordinates(display, parent, DefaultRootWindow(display),
attrs.x, attrs.y, &x, &y, &childReturn);
if (!caught_x11_error) {
if ((x != orig_x) || (y != orig_y) || (attrs.width != orig_w) || (attrs.height != orig_h)) {
break; /* window changed, time to go. */
}
}
if (SDL_GetTicks64() >= timeout) {
break;
}
SDL_Delay(10);
}
if (!caught_x11_error) {
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_MOVED, x, y);
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, attrs.width, attrs.height);
}
X11_XSetErrorHandler(prev_handler);
caught_x11_error = SDL_FALSE;
} else {
X11_SetNetWMState(_this, data->xwindow, window->flags);
}