Ensure window title doesn't get updated by other windows

Temdog007 · Temdog007 · commit c58052321f38 · 2025-04-02T17:49:49.000-07:00
diff --git a/src/video/emscripten/SDL_emscriptenvideo.c b/src/video/emscripten/SDL_emscriptenvideo.c
@@ -769,9 +769,17 @@ static SDL_FullscreenResult Emscripten_SetWindowFullscreen(SDL_VideoDevice *_thi
     }
 }
 
+// Assume the first window that calls SDL_SetWindowTitle is the main window.
+static SDL_Window *mainWindow = NULL;
+
 static void Emscripten_SetWindowTitle(SDL_VideoDevice *_this, SDL_Window *window)
 {
-    emscripten_set_window_title(window->title);
+    if (!mainWindow) {
+        mainWindow = window;
+    }
+    if (mainWindow == window) {
+        emscripten_set_window_title(window->title);
+    }
 }
 
 static bool Emscripten_SetWindowPosition(SDL_VideoDevice *_this, SDL_Window *window)

Original file line number	Diff line number	Diff line change
`@@ -769,9 +769,17 @@ static SDL_FullscreenResult Emscripten_SetWindowFullscreen(SDL_VideoDevice *_thi`
`769`	`769`	`}`
`770`	`770`	`}`
`771`	`771`
	`772`	`+// Assume the first window that calls SDL_SetWindowTitle is the main window.`
	`773`	`+static SDL_Window *mainWindow = NULL;`
	`774`	`+`
`772`	`775`	`static void Emscripten_SetWindowTitle(SDL_VideoDevice _this, SDL_Window window)`
`773`	`776`	`{`
`774`		`- emscripten_set_window_title(window->title);`
	`777`	`+ if (!mainWindow) {`
	`778`	`+ mainWindow = window;`
	`779`	`+ }`
	`780`	`+ if (mainWindow == window) {`
	`781`	`+ emscripten_set_window_title(window->title);`
	`782`	`+ }`
`775`	`783`	`}`
`776`	`784`
`777`	`785`	`static bool Emscripten_SetWindowPosition(SDL_VideoDevice _this, SDL_Window window)`