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Added Android custom cursor implementation

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This is commented out in SDLActivity.java, with the note #CURSORIMPLEENTATION because it requires API 24, which is higher than the minimum required SDK
This commit is contained in:
Sam Lantinga 2018-03-15 18:22:48 -07:00
parent 1cfbe664f5
commit e20d4173bf
5 changed files with 291 additions and 8 deletions
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43
src/core/android/SDL_android.c
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@ -223,6 +223,9 @@ static jmethodID midClipboardHasText;
static jmethodID midOpenAPKExpansionInputStream;
static jmethodID midGetManifestEnvironmentVariables;
static jmethodID midGetDisplayDPI;
static jmethodID midCreateCustomCursor;
static jmethodID midSetCustomCursor;
static jmethodID midSetSystemCursor;
/* audio manager */
static jclass mAudioManagerClass;
@ -332,7 +335,11 @@ JNIEXPORT void JNICALL SDL_JAVA_INTERFACE(nativeSetupJNI)(JNIEnv* mEnv, jclass c
"getManifestEnvironmentVariables", "()Z");
midGetDisplayDPI = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "getDisplayDPI", "()Landroid/util/DisplayMetrics;");
midGetDisplayDPI = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "getDisplayDPI", "()Landroid/util/DisplayMetrics;");
/* Custom cursor implementation is only available on API 24 and above */
midCreateCustomCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "createCustomCursor", "([IIIII)I");
midSetCustomCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setCustomCursor", "(I)V");
midSetSystemCursor = (*mEnv)->GetStaticMethodID(mEnv, mActivityClass, "setSystemCursor", "(I)V");
if (!midGetNativeSurface ||
!midSetActivityTitle || !midSetWindowStyle || !midSetOrientation || !midGetContext || !midIsAndroidTV || !midInputGetInputDeviceIds ||
@ -2167,6 +2174,40 @@ void Android_JNI_GetManifestEnvironmentVariables(void)
}
}
int Android_JNI_CreateCustomCursor(SDL_Surface *surface, int hot_x, int hot_y)
{
JNIEnv *mEnv = Android_JNI_GetEnv();
int custom_cursor = 0;
if (midCreateCustomCursor) {
jintArray pixels;
pixels = (*mEnv)->NewIntArray(mEnv, surface->w * surface->h);
if (!pixels) {
return 0;
}
(*mEnv)->SetIntArrayRegion(mEnv, pixels, 0, surface->w * surface->h, (int *)surface->pixels);
custom_cursor = (*mEnv)->CallStaticIntMethod(mEnv, mActivityClass, midCreateCustomCursor, pixels, surface->w, surface->h, hot_x, hot_y);
(*mEnv)->DeleteLocalRef(mEnv, pixels);
}
return custom_cursor;
}
void Android_JNI_SetCustomCursor(int cursorID)
{
JNIEnv *mEnv = Android_JNI_GetEnv();
if (midSetCustomCursor) {
(*mEnv)->CallStaticVoidMethod(mEnv, mActivityClass, midSetCustomCursor, cursorID);
}
}
void Android_JNI_SetSystemCursor(int cursorID)
{
JNIEnv *mEnv = Android_JNI_GetEnv();
if (midSetSystemCursor) {
(*mEnv)->CallStaticVoidMethod(mEnv, mActivityClass, midSetSystemCursor, cursorID);
}
}
#endif /* __ANDROID__ */
/* vi: set ts=4 sw=4 expandtab: */