Backends: GLFW: fixed ImGui_ImplGlfw_TranslateUntranslatedKey() for lower case letters on OSX (#5260, #5261)

backends/imgui_impl_glfw.cpp

@@ -16,6 +16,7 @@
 
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
+//  2022-04-30: Inputs: Fixed ImGui_ImplGlfw_TranslateUntranslatedKey() for lower case letters on OSX.
 //  2022-03-23: Inputs: Fixed a regression in 1.87 which resulted in keyboard modifiers events being reported incorrectly on Linux/X11.
 //  2022-02-07: Added ImGui_ImplGlfw_InstallCallbacks()/ImGui_ImplGlfw_RestoreCallbacks() helpers to facilitate user installing callbacks after initializing backend.
 //  2022-01-26: Inputs: replaced short-lived io.AddKeyModsEvent() (added two weeks ago)with io.AddKeyEvent() using ImGuiKey_ModXXX flags. Sorry for the confusion.
@@ -308,6 +309,7 @@ static int ImGui_ImplGlfw_TranslateUntranslatedKey(int key, int scancode)
         IM_ASSERT(IM_ARRAYSIZE(char_names) == IM_ARRAYSIZE(char_keys));
         if (key_name[0] >= '0' && key_name[0] <= '9')               { key = GLFW_KEY_0 + (key_name[0] - '0'); }
         else if (key_name[0] >= 'A' && key_name[0] <= 'Z')          { key = GLFW_KEY_A + (key_name[0] - 'A'); }
+        else if (key_name[0] >= 'a' && key_name[0] <= 'z')          { key = GLFW_KEY_A + (key_name[0] - 'a'); }
         else if (const char* p = strchr(char_names, key_name[0]))   { key = char_keys[p - char_names]; }
     }
     // if (action == GLFW_PRESS) printf("key %d scancode %d name '%s'\n", key, scancode, key_name);

docs/CHANGELOG.txt

@@ -95,6 +95,7 @@ Other Changes:
 - ImVector: Fixed erase() with empty range. (#5009) [@thedmd]
 - Backends: GLFW: Fixed a regression in 1.87 which resulted in keyboard modifiers events being
   reported incorrectly on Linux/X11, due to a bug in GLFW. [@rokups]
+- Backends: GLFW: Fixed untranslated keys when pressing lower case letters on OSX (#5260, #5261) [@cpichard]
 - Backends: SDL: Fixed dragging out viewport broken on some SDL setups. (#5012) [@rokups]
 - Backends: SDL: Added support for extra mouse buttons (SDL_BUTTON_X1/SDL_BUTTON_X2). (#5125) [@sgiurgiu]
 - Backends: SDL, OpenGL3: Fixes to facilitate building on AmigaOS4. (#5190) [@afxgroup]