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SDL: center mouse cursor between ouch points when sending pinch-zoom gesture keycode

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This commit is contained in:
Sergii Pylypenko
2017-06-21 17:51:40 +03:00
parent 35e838c20d
commit 5132ae8020
1 changed files with 5 additions and 1 deletions
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6
project/jni/sdl-1.2/src/video/android/SDL_androidinput.c
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@@ -349,13 +349,14 @@ static void ProcessMultitouchGesture( int x, int y, int action, int pointerId )
}
else
{
int distMaxDiff = SDL_ANDROID_sFakeWindowHeight / ( 1 + (1 + multitouchGestureSensitivity) * 2 );
int distMaxDiff = SDL_ANDROID_sFakeWindowHeight / ( 2 + (1 + multitouchGestureSensitivity) * 3 );
int angleMaxDiff = atan2i_PI * 2 / 3 / ( 1 + (1 + multitouchGestureSensitivity) * 2 );
int wheelThreshold = SDL_ANDROID_sFakeWindowHeight / MULTITOUCH_MOUSE_WHEEL_DIST;
if( dist - multitouchGestureDist > distMaxDiff )
{
multitouchGestureHappened = 1;
multitouchGestureDist += distMaxDiff;
SDL_ANDROID_MainThreadPushMouseMotion( middleX, middleY );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_PRESSED, multitouchGestureKeycode[0], 0 );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_RELEASED, multitouchGestureKeycode[0], 0 );
}
@@ -363,6 +364,7 @@ static void ProcessMultitouchGesture( int x, int y, int action, int pointerId )
{
multitouchGestureHappened = 1;
multitouchGestureDist -= distMaxDiff;
SDL_ANDROID_MainThreadPushMouseMotion( middleX, middleY );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_PRESSED, multitouchGestureKeycode[1], 0 );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_RELEASED, multitouchGestureKeycode[1], 0 );
}
@@ -378,6 +380,7 @@ static void ProcessMultitouchGesture( int x, int y, int action, int pointerId )
{
multitouchGestureHappened = 1;
multitouchGestureAngle = angle;
SDL_ANDROID_MainThreadPushMouseMotion( middleX, middleY );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_PRESSED, multitouchGestureKeycode[2], 0 );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_RELEASED, multitouchGestureKeycode[2], 0 );
}
@@ -385,6 +388,7 @@ static void ProcessMultitouchGesture( int x, int y, int action, int pointerId )
{
multitouchGestureHappened = 1;
multitouchGestureAngle = angle;
SDL_ANDROID_MainThreadPushMouseMotion( middleX, middleY );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_PRESSED, multitouchGestureKeycode[3], 0 );
SDL_ANDROID_MainThreadPushKeyboardKey( SDL_RELEASED, multitouchGestureKeycode[3], 0 );
}