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Clean up the snap/align feature

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This commit is contained in:
SerpentSpirale 2021-07-29 00:53:16 +02:00 committed by ArtDev
parent 439b0f02b3
commit f071b75267
1 changed files with 68 additions and 101 deletions
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169
app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/buttons/ControlButton.java
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@ -306,68 +306,7 @@ public class ControlButton extends androidx.appcompat.widget.AppCompatButton imp
mCanTriggerLongClick = false;
if (!mProperties.isDynamicBtn) {
//Time to snap !
float MIN_DISTANCE = Tools.dpToPx(10);
float currentX = event.getRawX() - downX;
float currentY = event.getRawY() - downY;
setX(currentX);
setY(currentY);
ControlButton nearButton;
for(ControlButton button : ((ControlLayout) getParent()).getButtonChildren()){
if(button == this) continue;
if(MathUtils.dist(button.getX() + button.getProperties().getWidth()/2,
button.getY() + button.getProperties().getHeight()/2,
getX() + getProperties().getWidth()/2,
getY() + getProperties().getHeight()/2) > Math.max(button.getProperties().getWidth()/2 + getProperties().getWidth()/2, button.getProperties().getHeight()/2 + getProperties().getHeight()/2) + MIN_DISTANCE) continue;
float button_top = button.getY();
float button_bottom = button.getY() + button.getProperties().getHeight();
float button_left = button.getX();
float button_right = button.getX() + button.getProperties().getWidth();
float top = getY();
float bottom = getY() + getProperties().getHeight();
float left = getX();
float right = getX() + getProperties().getWidth();
/*
* For each axis, we try to snap to the nearest
*/
if(Math.abs(top - button_bottom) < MIN_DISTANCE){ // Bottom snap
currentY = button_bottom;
}else if(Math.abs(button_top - bottom) < MIN_DISTANCE){ //Top snap
currentY = button_top - getProperties().getHeight();
}
if(currentY != getY()){ //If we snapped
if(Math.abs(button_left - left) < MIN_DISTANCE/2){ //Left align snap
currentX = button_left;
}else if(Math.abs(button_right - right) < MIN_DISTANCE/2){ //Right align snap
currentX = button_right - getProperties().getWidth();
}
}
if(Math.abs(button_left - right) < MIN_DISTANCE){ //Left snap
currentX = button_left - getProperties().getWidth();
}else if(Math.abs(left - button_right) < MIN_DISTANCE){ //Right snap
currentX = button_right;
}
if(currentX != getX()){
if(Math.abs(button_top - top) < MIN_DISTANCE/2){
currentY = button_top;
}else if(Math.abs(button_bottom - bottom) < MIN_DISTANCE/2){
currentY = button_bottom - getProperties().getHeight();
}
}
}
setX(currentX);
setY(currentY);
snapAndAlign(event.getRawX() - downX, event.getRawY() - downY);
}
break;
}
@ -375,6 +314,73 @@ public class ControlButton extends androidx.appcompat.widget.AppCompatButton imp
return super.onTouchEvent(event);
}
/**
* Try to snap, then align to neighboring buttons, given the provided coordinates.
* The new position is automatically applied to the View,
* regardless of if the View snapped or not.
*
* @param x Coordinate on the x axis
* @param y Coordinate on the y axis
*/
protected void snapAndAlign(float x, float y){
//Time to snap !
float MIN_DISTANCE = Tools.dpToPx(10);
setX(x);
setY(y);
for(ControlButton button : ((ControlLayout) getParent()).getButtonChildren()){
//Step 1: Filter unwanted buttons
if(button == this) continue;
if(MathUtils.dist(button.getX() + button.getWidth()/2f,
button.getY() + button.getHeight()/2f,
getX() + getWidth()/2f,
getY() + getHeight()/2f) > Math.max(button.getWidth()/2f + getWidth()/2f, button.getHeight()/2f + getHeight()/2f) + MIN_DISTANCE) continue;
//Step 2: Get Coordinates
float button_top = button.getY();
float button_bottom = button_top + button.getBottom();
float button_left = button.getX();
float button_right = button_left + button.getRight();
float top = getY();
float bottom = getY() + getBottom();
float left = getX();
float right = getX() + getRight();
//Step 3: For each axis, we try to snap to the nearest
if(Math.abs(top - button_bottom) < MIN_DISTANCE){ // Bottom snap
y = button_bottom;
}else if(Math.abs(button_top - bottom) < MIN_DISTANCE){ //Top snap
y = button_top - getHeight();
}
if(y != getY()){ //If we snapped
if(Math.abs(button_left - left) < MIN_DISTANCE){ //Left align snap
x = button_left;
}else if(Math.abs(button_right - right) < MIN_DISTANCE){ //Right align snap
x = button_right - getWidth();
}
}
if(Math.abs(button_left - right) < MIN_DISTANCE){ //Left snap
x = button_left - getWidth();
}else if(Math.abs(left - button_right) < MIN_DISTANCE){ //Right snap
x = button_right;
}
if(x != getX()){
if(Math.abs(button_top - top) < MIN_DISTANCE){ //Top align snap
y = button_top;
}else if(Math.abs(button_bottom - bottom) < MIN_DISTANCE){ //Bottom align snap
y = button_bottom - getHeight();
}
}
}
setX(x);
setY(y);
}
public int computeStrokeWidth(float widthInPercent){
float maxSize = Math.max(mProperties.getWidth(), mProperties.getHeight());
return (int)((maxSize/2) * (widthInPercent/100));
@ -407,43 +413,4 @@ public class ControlButton extends androidx.appcompat.widget.AppCompatButton imp
}
}
/*
* Returns the distance based on the bounding boxes
*/
private static float distanceBetweenViews(View v1, View v2){
float distX, distY;
if(v1.getPivotX() < v2.getPivotX()){
distX = v2.getLeft() - v1.getRight();
}else{
distX = v1.getLeft() - v2.getRight();
}
//if(distX < 0) distX = 0;
if(v1.getPivotY() < v2.getPivotY()){
distY = v2.getTop() - v1.getBottom();
}else{
distY = v1.getTop() - v2.getBottom();
}
//if(distY < 0) distY = 0;
//System.out.println("DISTX: " + distX);
//System.out.println("DISTY: " + distY);
return distX + distY;
}
private static boolean isViewOverlapping(View firstView, View secondView) {
int[] firstPosition = new int[2];
int[] secondPosition = new int[2];
firstView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
firstView.getLocationOnScreen(firstPosition);
secondView.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
secondView.getLocationOnScreen(secondPosition);
return firstPosition[0] < secondPosition[0] + secondView.getMeasuredWidth()
&& firstPosition[0] + firstView.getMeasuredWidth() > secondPosition[0]
&& firstPosition[1] < secondPosition[1] + secondView.getMeasuredHeight()
&& firstPosition[1] + firstView.getMeasuredHeight() > secondPosition[1];
}
}