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Support zooming via mouse wheel.

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Behaviour should possibly be fine-tuned to use a
smooth instead of animated zooming and to keep
the cursor position as a fixed point instead of
moving it to the center.
Still, this should be a small improvement for usage
with mouse.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2015-07-20 00:44:38 +02:00
parent 26596e3957
commit cc87c16b34
3 changed files with 32 additions and 1 deletions
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8
OsmAnd/src/net/osmand/plus/views/OsmAndMapLayersView.java
View file

@ -50,6 +50,14 @@ public class OsmAndMapLayersView extends View {
return r;
}
@Override
public boolean onGenericMotionEvent(MotionEvent event) {
if(mapView == null) {
return super.onGenericMotionEvent(event);
}
return mapView.onGenericMotionEvent(event);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if(mapView == null) {

8
OsmAnd/src/net/osmand/plus/views/OsmAndMapSurfaceView.java
View file

@ -87,6 +87,14 @@ public class OsmAndMapSurfaceView extends SurfaceView implements Callback {
return r;
}
@Override
public boolean onGenericMotionEvent(MotionEvent event) {
if(mapView == null) {
return super.onGenericMotionEvent(event);
}
return mapView.onGenericMotionEvent(event);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if(mapView == null) {

15
OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java
View file

@ -49,6 +49,7 @@ import android.util.DisplayMetrics;
import android.view.GestureDetector;
import android.view.GestureDetector.OnDoubleTapListener;
import android.view.GestureDetector.OnGestureListener;
import android.view.InputDevice;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
@ -729,6 +730,20 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
}
public boolean onGenericMotionEvent(MotionEvent event) {
if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0 &&
event.getAction() == MotionEvent.ACTION_SCROLL &&
event.getAxisValue(MotionEvent.AXIS_VSCROLL) != 0) {
final RotatedTileBox tb = getCurrentRotatedTileBox();
final double lat = tb.getLatFromPixel(event.getX(), event.getY());
final double lon = tb.getLonFromPixel(event.getX(), event.getY());
int zoomDir = event.getAxisValue(MotionEvent.AXIS_VSCROLL) < 0 ? -1 : 1;
getAnimatedDraggingThread().startMoving(lat, lon, getZoom() + zoomDir, true);
return true;
}
return false;
}
public boolean onTouchEvent(MotionEvent event) {
if (mapRenderer != null) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {