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Add the ability to set SDL to handle Return as 'hide IME' on Android softkeyboard. (thanks Rachel!)

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This commit is contained in:
Sam Lantinga 2017-12-12 12:52:23 -08:00
parent e8bbbb37f1
commit 2afc0b7fa5
2 changed files with 32 additions and 0 deletions
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19
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
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@ -1501,6 +1501,25 @@ class SDLInputConnection extends BaseInputConnection {
* and so we need to generate them ourselves in commitText. To avoid duplicates on the handful of keys
* that still do, we empty this out.
*/
/*
* Return DOES still generate a key event, however. So rather than using it as the 'click a button' key
* as we do with physical keyboards, let's just use it to hide the keyboard.
*/
if (event.getKeyCode() == 66) {
String imeHide = SDLActivity.nativeGetHint("SDL_ANDROID_RETURN_HIDES_IME");
if ((imeHide != null) && imeHide.equals("1")) {
Context c = SDL.getContext();
if (c instanceof SDLActivity) {
SDLActivity activity = (SDLActivity)c;
activity.sendCommand(SDLActivity.COMMAND_TEXTEDIT_HIDE, null);
return true;
}
}
}
return super.sendKeyEvent(event);
}

13
include/SDL_hints.h
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@ -720,6 +720,19 @@ extern "C" {
*/
#define SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH "SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH"
/**
* \brief A variable to control whether the return key on the soft keyboard should hide the
* soft keyboard on Android.
*
* The variable can be set to the following values:
* "0" - The return key will be handled as a key event. This is the behaviour of
* SDL <= 2.0.3. (default)
* "1" - The return key will hide the keyboard.
*
* The value of this hint is used at runtime, so it can be changed at any time.
*/
#define SDL_HINT_ANDROID_RETURN_HIDES_IME "SDL_ANDROID_RETURN_HIDES_IME"
/**
* \brief override the binding element for keyboard inputs for Emscripten builds
*