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emscripten: Let SDL_HINT_EMSCRIPTEN_KEYBOARD_ELEMENT accept "#none" 

This is used to say "don't even try to listen for keypresses," for apps that
are managing this outside of SDL.

Fixes #10292.
This commit is contained in:
Sam Lantinga 2025-01-18 06:19:27 -08:00
parent c603a9c94a
commit 923123a527
2 changed files with 3 additions and 3 deletions
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2
include/SDL3/SDL_hints.h
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@ -730,7 +730,7 @@ extern "C" {
* - "#document": the javascript document object
* - "#screen": the javascript window.screen object
* - "#canvas": the WebGL canvas element
* - "": Don't bind anything at all
* - "#none": Don't bind anything at all
* - any other string without a leading # sign applies to the element on the
* page with that ID.
*

4
src/video/emscripten/SDL_emscriptenevents.c
View File

@ -1029,11 +1029,11 @@ void Emscripten_RegisterEventHandlers(SDL_WindowData *data)
// Keyboard events are awkward
keyElement = SDL_GetHint(SDL_HINT_EMSCRIPTEN_KEYBOARD_ELEMENT);
if (!keyElement) {
if (!keyElement || !*keyElement) {
keyElement = EMSCRIPTEN_EVENT_TARGET_WINDOW;
}
if (*keyElement) {
if (SDL_strcmp(keyElement, "#none") != 0) {
emscripten_set_keydown_callback(keyElement, data, 0, Emscripten_HandleKey);
emscripten_set_keyup_callback(keyElement, data, 0, Emscripten_HandleKey);
emscripten_set_keypress_callback(keyElement, data, 0, Emscripten_HandleKeyPress);