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emscripten: Allow resize events on fullscreen windows.

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Fixes browsers on phone that change screen orientation during fullscreen not
getting a resize event.

Fixes #15024.
This commit is contained in:
Ryan C. Gordon
2026-02-17 18:40:24 -05:00
parent 06bf8d1924
commit 0f2d415dee
1 changed files with 36 additions and 35 deletions
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9
src/video/emscripten/SDL_emscriptenevents.c
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@@ -519,7 +519,6 @@ static EM_BOOL Emscripten_HandleResize(int eventType, const EmscriptenUiEvent *u
{
SDL_WindowData *window_data = userData;
if (!(window_data->window->flags & SDL_WINDOW_FULLSCREEN)) {
bool force = false;
// update pixel ratio
@@ -529,10 +528,13 @@ static EM_BOOL Emscripten_HandleResize(int eventType, const EmscriptenUiEvent *u
force = true;
}
}
const bool fill_document = (Emscripten_fill_document_window == window_data->window);
if (fill_document || (window_data->window->flags & SDL_WINDOW_RESIZABLE)) {
const bool fullscreen = (window_data->window->flags & SDL_WINDOW_FULLSCREEN) != 0; // fullscreen windows can resize on Emscripten, and the canvas should fill it.
const bool resizable = (window_data->window->flags & SDL_WINDOW_RESIZABLE) != 0;
if (fill_document || fullscreen || resizable) {
double w, h;
if (fill_document) {
if (fill_document || fullscreen) {
w = (double) uiEvent->windowInnerWidth;
h = (double) uiEvent->windowInnerHeight;
} else {
@@ -560,7 +562,6 @@ static EM_BOOL Emscripten_HandleResize(int eventType, const EmscriptenUiEvent *u
SDL_SendWindowEvent(window_data->window, SDL_EVENT_WINDOW_RESIZED, SDL_lroundf(w), SDL_lroundf(h));
}
}
return 0;
}