TnSb/android-calculatorpp
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calculator window

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Sergey Solovyev 2012-11-26 23:38:04 +04:00
parent 3ec7efb793
commit ff31a17921
1 changed files with 19 additions and 36 deletions
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55
calculatorpp/src/main/java/org/solovyev/android/calculator/onscreen/CalculatorOnscreenView.java
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@ -338,9 +338,8 @@ public class CalculatorOnscreenView {
**********************************************************************
*/
private static final float DIST_EPS = 0f;
private static final float DIST_MAX = 100000f;
private static final long TIME_EPS = 0L;
private static final float DIST_MIN = 0.5f;
private static final float DIST_MAX = 100f;
/*
**********************************************************************
@ -357,8 +356,6 @@ public class CalculatorOnscreenView {
private float y0;
private long time = 0;
@NotNull
private final View view;
@ -392,57 +389,43 @@ public class CalculatorOnscreenView {
return true;
case MotionEvent.ACTION_MOVE:
final long currentTime = System.currentTimeMillis();
for (int i = 0; i < event.getHistorySize(); i++) {
final float xi = event.getHistoricalX(i);
final float yi = event.getHistoricalY(i);
if ( currentTime - time >= TIME_EPS ) {
time = currentTime;
for (int i = 0; i < event.getHistorySize(); i++) {
final float xi = event.getHistoricalX(i);
final float yi = event.getHistoricalY(i);
processMove(xi, yi);
}
processMove(x1, y1);
processMove(xi, yi, event.getHistoricalEventTime(i));
}
processMove(x1, y1, event.getEventTime());
return true;
}
return false;
}
private void processMove(float x1, float y1) {
private void processMove(float x1, float y1, long eventTime) {
final float Δx = x1 - x0;
final float Δy = y1 - y0;
final WindowManager.LayoutParams params = (WindowManager.LayoutParams) view.getLayoutParams();
Log.d(TAG, "0:" + toString(x0, y0) + ", 1: " + toString(x1, y1) + ", Δ: " + toString(Δx, Δy) + ", params: " + toString(params.x, params.y));
Log.d(TAG, "0:" + toString(x0, y0) + ", 1: " + toString(x1, y1) + ", Δ: " + toString(Δx, Δy) + ", params: " + toString(params.x, params.y) + ", time: " + eventTime);
boolean xInBounds = isDistanceInBounds(Δx);
boolean yInBounds = isDistanceInBounds(Δy);
if (xInBounds || yInBounds) {
if (xInBounds) {
params.x = (int) (params.x + Δx);
}
if (yInBounds) {
params.y = (int) (params.y + Δy);
}
boolean xInBounds = isΔInBounds(Δx);
boolean yInBounds = isΔInBounds(Δy);
if (xInBounds && yInBounds) {
params.x = (int) (params.x + Δx);
params.y = (int) (params.y + Δy);
wm.updateViewLayout(view, params);
if (xInBounds) {
x0 = x1;
}
if (yInBounds) {
y0 = y1;
}
x0 = x1;
y0 = y1;
}
}
private boolean isDistanceInBounds(float δx) {
private boolean isΔInBounds(float δx) {
δx = Math.abs(δx);
return δx >= DIST_EPS && δx < DIST_MAX;
return δx >= DIST_MIN && δx < DIST_MAX;
}
@NotNull