[SDL1] Add implementation of SDL_GetScancodeFromKey (#18060)

Fixes: #17711
emscripten-core · Oct 17, 2022 · 03ccf3a · 03ccf3a
1 parent 0c564ef
commit 03ccf3a
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Showing 2 changed files with 15 additions and 1 deletion.
diff --git a/src/library_sdl.js b/src/library_sdl.js
@@ -3711,7 +3711,9 @@ var LibrarySDL = {
   SDL_GetCurrentAudioDriver: function() {
     return allocateUTF8('Emscripten Audio');
   },
-
+  SDL_GetScancodeFromKey: function (key) {
+    return SDL.scanCodes[key]; 
+  },
   SDL_GetAudioDriver__deps: ['SDL_GetCurrentAudioDriver'],
   SDL_GetAudioDriver: function(index) { return _SDL_GetCurrentAudioDriver() },
 

diff --git a/test/test_other.py b/test/test_other.py
@@ -1939,6 +1939,18 @@ def test_sdl_endianness(self):
     self.run_process([EMXX, 'main.cpp'])
     self.assertContained('1234, 1234, 4321\n', self.run_js('a.out.js'))
 
+  def test_sdl_scan_code_from_key(self):
+    create_file('main.cpp', r'''
+      #include <stdio.h>
+      #include <SDL/SDL_keyboard.h>
+
+      int main() {
+        printf("%d\n", SDL_GetScancodeFromKey(35));
+        return 0;
+      }
+    ''')
+    self.do_runf('main.cpp', '204\n')
+
   def test_sdl2_mixer_wav(self):
     self.emcc(test_file('browser/test_sdl2_mixer_wav.c'), ['-sUSE_SDL_MIXER=2'], output_filename='a.out.js')