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Android: more separate-mouse-and-touch work. 

This avoids a hint lookup for each mouse event we get by setting a static Java
variable from native code during our hint watcher callback.

Also attempts to do the right thing with mouse buttons if you happen to be
on an API14 (Ice Cream Sandwich, Android 4.0) or later device. We still
target API12 (Honeycomb MR1, Android 3.1) for SDL 2.0.4 though.

This isn't tested, so I'm pushing to see what the Android buildbot says. Stand
back, I'm a professional!
This commit is contained in:
Ryan C. Gordon 2015-04-01 12:14:56 -04:00
parent 236deab49b
commit f9041771d5
2 changed files with 18 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
android-project/src/org/libsdl/app/SDLActivity.java
View File

@ -41,6 +41,10 @@ public class SDLActivity extends Activity {
/** If shared libraries (e.g. SDL or the native application) could not be loaded. */ /** If shared libraries (e.g. SDL or the native application) could not be loaded. */
public static boolean mBrokenLibraries; public static boolean mBrokenLibraries;
// If we want to separate mouse and touch events.
// This is only toggled in native code when a hint is set!
public static boolean mSeparateMouseAndTouch;
// Main components // Main components
protected static SDLActivity mSingleton; protected static SDLActivity mSingleton;
protected static SDLSurface mSurface; protected static SDLSurface mSurface;
@ -1130,11 +1134,18 @@ class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
int i = -1; int i = -1;
float x,y,p; float x,y,p;
if (event.getSource() == InputDevice.SOURCE_MOUSE && // !!! FIXME: dump this SDK check after 2.0.4 ships and require API14.
SDLActivity.nativeGetHint("SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH").equals("1")) { if (event.getSource() == InputDevice.SOURCE_MOUSE && SDLActivity.mSeparateMouseAndTouch) {
if (Build.VERSION.SDK_INT < 14) {
mouseButton = 1; // For Android==12 all mouse buttons are the left button mouseButton = 1; // For Android==12 all mouse buttons are the left button
} else {
SDLActivity.onNativeMouse(mouseButton, action, event.getX(0), event.getY(0)); try {
mouseButton = event.getClass().getMethod("getButtonState").invoke(event);
} catch(Exception e) {
mouseButton = 1; // oh well.
}
}
SDLActivity.onNativeMouse(mouseButton, action, event.getX(0), event.getY(0));
} else { } else {
switch(action) { switch(action) {
case MotionEvent.ACTION_MOVE: case MotionEvent.ACTION_MOVE:

3
src/video/android/SDL_androidtouch.c
View File

@ -57,6 +57,9 @@ SeparateEventsHintWatcher(void *userdata, const char *name,
const char *oldValue, const char *newValue) const char *oldValue, const char *newValue)
{ {
separate_mouse_and_touch = (newValue && (SDL_strcmp(newValue, "1") == 0)); separate_mouse_and_touch = (newValue && (SDL_strcmp(newValue, "1") == 0));
JNIEnv *env = Android_JNI_GetEnv();
jfieldID fid = (*env)->GetStaticFieldID(env, mActivityClass, "mSeparateMouseAndTouch", "Z");
(*env)->SetStaticBooleanField(env, mActivityClass, fid, separate_mouse_and_touch ? JNI_TRUE : JNI_FALSE);
} }
void Android_InitTouch(void) void Android_InitTouch(void)