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android: Fix softkeyboard issue in SDL on Android.

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This commit is contained in:
Sam Lantinga 2017-10-26 10:41:38 -07:00
parent 9bbf92e3da
commit 8e37bed3b6
2 changed files with 49 additions and 14 deletions
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31
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
View file

@ -1248,6 +1248,9 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
if ((event.getSource() & InputDevice.SOURCE_KEYBOARD) != 0) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
//Log.v("SDL", "key down: " + keyCode);
if (SDLActivity.isTextInputEvent(event)) {
SDLInputConnection.nativeCommitText(String.valueOf((char) event.getUnicodeChar()), 1);
}
SDLActivity.onNativeKeyDown(keyCode);
return true;
}
@ -1435,6 +1438,7 @@ class DummyEdit extends View implements View.OnKeyListener {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
if (SDLActivity.isTextInputEvent(event)) {
ic.commitText(String.valueOf((char) event.getUnicodeChar()), 1);
return true;
}
SDLActivity.onNativeKeyDown(keyCode);
return true;
@ -1484,26 +1488,23 @@ class SDLInputConnection extends BaseInputConnection {
@Override
public boolean sendKeyEvent(KeyEvent event) {
/*
* This handles the keycodes from soft keyboard (and IME-translated input from hardkeyboard)
* This used to handle the keycodes from soft keyboard (and IME-translated input from hardkeyboard)
* However, as of Ice Cream Sandwich and later, almost all soft keyboard doesn't generate key presses
* 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.
*/
int keyCode = event.getKeyCode();
if (event.getAction() == KeyEvent.ACTION_DOWN) {
if (SDLActivity.isTextInputEvent(event)) {
commitText(String.valueOf((char) event.getUnicodeChar()), 1);
}
SDLActivity.onNativeKeyDown(keyCode);
return true;
} else if (event.getAction() == KeyEvent.ACTION_UP) {
SDLActivity.onNativeKeyUp(keyCode);
return true;
}
return super.sendKeyEvent(event);
}
@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
nativeCommitText(text.toString(), newCursorPosition);
for (int i = 0; i < text.length(); i++) {
char c = text.charAt(i);
nativeGenerateScancodeForUnichar(c);
}
SDLInputConnection.nativeCommitText(text.toString(), newCursorPosition);
return super.commitText(text, newCursorPosition);
}
@ -1516,7 +1517,9 @@ class SDLInputConnection extends BaseInputConnection {
return super.setComposingText(text, newCursorPosition);
}
public native void nativeCommitText(String text, int newCursorPosition);
public static native void nativeCommitText(String text, int newCursorPosition);
public native void nativeGenerateScancodeForUnichar(char c);
public native void nativeSetComposingText(String text, int newCursorPosition);

32
src/core/android/SDL_android.c
View file

@ -31,6 +31,8 @@
#include "SDL_android.h"
#include <EGL/egl.h>
#include "keyinfotable.h"
#include "../../events/SDL_events_c.h"
#include "../../video/android/SDL_androidkeyboard.h"
#include "../../video/android/SDL_androidmouse.h"
@ -749,6 +751,36 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeCommitText)(
(*env)->ReleaseStringUTFChars(env, text, utftext);
}
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeGenerateScancodeForUnichar)(
JNIEnv* env, jclass cls,
jchar chUnicode)
{
SDL_Scancode code = SDL_SCANCODE_UNKNOWN;
uint16_t mod = 0;
// We do not care about bigger than 127.
if (chUnicode < 127) {
AndroidKeyInfo info = unicharToAndroidKeyInfoTable[chUnicode];
code = info.code;
mod = info.mod;
}
if (mod & KMOD_SHIFT) {
/* If character uses shift, press shift down */
SDL_SendKeyboardKey(SDL_PRESSED, SDL_SCANCODE_LSHIFT);
}
/* send a keydown and keyup even for the character */
SDL_SendKeyboardKey(SDL_PRESSED, code);
SDL_SendKeyboardKey(SDL_RELEASED, code);
if (mod & KMOD_SHIFT) {
/* If character uses shift, press shift back up */
SDL_SendKeyboardKey(SDL_RELEASED, SDL_SCANCODE_LSHIFT);
}
}
JNIEXPORT void JNICALL SDL_JAVA_INTERFACE_INPUT_CONNECTION(nativeSetComposingText)(
JNIEnv* env, jclass cls,
jstring text, jint newCursorPosition)