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x11: Ensure that a configure event was received before sending the final window size and coordinates 

Headless display servers might not send an initial configure event, so don't assume that one has arrived and send garbage size/position values when showing a window.
main
Frank Praznik 2024-04-18 13:59:41 -04:00
parent 64d5fb6ab6
commit 09e32faa68
1 changed files with 14 additions and 9 deletions
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23
src/video/x11/SDL_x11window.c
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@ -1369,18 +1369,23 @@ void X11_ShowWindow(SDL_VideoDevice *_this, SDL_Window *window)
X11_XSync(display, False);
X11_PumpEvents(_this);
int x = data->last_xconfigure.x;
int y = data->last_xconfigure.y;
SDL_GlobalToRelativeForWindow(data->window, x, y, &x, &y);
/* If a configure event was received (type is non-zero), send the final window size and coordinates. */
if (data->last_xconfigure.type) {
int x = data->last_xconfigure.x;
int y = data->last_xconfigure.y;
SDL_GlobalToRelativeForWindow(data->window, x, y, &x, &y);
/* If the borders appeared, this happened automatically in the event system, otherwise, set the position now. */
if (data->disable_size_position_events && (window->x != x || window->y != y)) {
data->pending_operation = X11_PENDING_OP_MOVE;
X11_XMoveWindow(display, data->xwindow, window->x, window->y);
/* If the borders appeared, this happened automatically in the event system, otherwise, set the position now. */
if (data->disable_size_position_events && (window->x != x || window->y != y)) {
data->pending_operation = X11_PENDING_OP_MOVE;
X11_XMoveWindow(display, data->xwindow, window->x, window->y);
}
SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, data->last_xconfigure.width, data->last_xconfigure.height);
SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_MOVED, x, y);
}
data->disable_size_position_events = SDL_FALSE;
SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_RESIZED, data->last_xconfigure.width, data->last_xconfigure.height);
SDL_SendWindowEvent(window, SDL_EVENT_WINDOW_MOVED, x, y);
}
void X11_HideWindow(SDL_VideoDevice *_this, SDL_Window *window)