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Code Issues Packages Projects Releases Wiki Activity

Show crosshairs when dragging items around the workspace.

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This commit is contained in:
Patrick Dubroy
2010-09-27 11:15:43 -07:00
parent 5c1f9f1de6
commit de7658b5e0
7 changed files with 230 additions and 137 deletions
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15
src/com/android/launcher2/DragView.java
View File

@@ -17,7 +17,10 @@
package com.android.launcher2;
import com.android.launcher.R;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
@@ -31,9 +34,6 @@ import android.view.WindowManager;
import android.view.WindowManagerImpl;
public class DragView extends View implements TweenCallback {
// Number of pixels to add to the dragged item for scaling. Should be even for pixel alignment.
private static final int DRAG_SCALE = 40;
private Bitmap mBitmap;
private Paint mPaint;
private int mRegistrationX;
@@ -66,21 +66,24 @@ public class DragView extends View implements TweenCallback {
int left, int top, int width, int height) {
super(context);
final Resources res = getResources();
final int dragScale = res.getInteger(R.integer.config_dragViewExtraPixels);
mWindowManager = WindowManagerImpl.getDefault();
mTween = new SymmetricalLinearTween(false, 110 /*ms duration*/, this);
Matrix scale = new Matrix();
float scaleFactor = width;
scaleFactor = mScale = (scaleFactor + DRAG_SCALE) / scaleFactor;
scaleFactor = mScale = (scaleFactor + dragScale) / scaleFactor;
scale.setScale(scaleFactor, scaleFactor);
mBitmap = Bitmap.createBitmap(bitmap, left, top, width, height, scale, true);
setDragRegion(0, 0, width, height);
// The point in our scaled bitmap that the touch events are located
mRegistrationX = registrationX + (DRAG_SCALE / 2);
mRegistrationY = registrationY + (DRAG_SCALE / 2);
mRegistrationX = registrationX + res.getInteger(R.integer.config_dragViewOffsetX);
mRegistrationY = registrationY + res.getInteger(R.integer.config_dragViewOffsetY);
}
public void setDragRegion(int left, int top, int width, int height) {