| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.intellij.util.ui; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.wm.IdeFocusManager; |
| import com.intellij.util.Alarm; |
| |
| import javax.swing.*; |
| import java.awt.event.MouseAdapter; |
| import java.awt.event.MouseEvent; |
| import java.awt.event.MouseMotionAdapter; |
| import java.awt.*; |
| |
| public abstract class BaseButtonBehavior { |
| |
| private JComponent myComponent; |
| |
| private boolean myHovered; |
| private boolean myPressedByMouse; |
| private boolean mySelected; |
| |
| private final TimedDeadzone myMouseDeadzone; |
| |
| private int myActionTrigger; |
| |
| public BaseButtonBehavior(JComponent component) { |
| this(component, TimedDeadzone.DEFAULT); |
| } |
| |
| public BaseButtonBehavior(JComponent component, TimedDeadzone.Length mouseDeadzoneTime) { |
| myComponent = component; |
| myMouseDeadzone = new TimedDeadzone(mouseDeadzoneTime, Alarm.ThreadToUse.SWING_THREAD); |
| myComponent.addMouseListener(new MyMouseListener()); |
| myComponent.addMouseMotionListener(new MyMouseMotionListener()); |
| setActionTrigger(MouseEvent.MOUSE_RELEASED); |
| } |
| |
| public void setActionTrigger(int trigger) { |
| assert trigger == MouseEvent.MOUSE_PRESSED || trigger == MouseEvent.MOUSE_RELEASED; |
| myActionTrigger = trigger; |
| } |
| |
| public final boolean isHovered() { |
| return myHovered; |
| } |
| |
| private void setHovered(boolean hovered) { |
| myHovered = hovered; |
| repaintComponent(); |
| } |
| |
| public final boolean isPressedByMouse() { |
| return myPressedByMouse; |
| } |
| |
| private void setPressedByMouse(boolean pressedByMouse) { |
| myPressedByMouse = pressedByMouse; |
| repaintComponent(); |
| } |
| |
| public final boolean isSelected() { |
| return mySelected; |
| } |
| |
| private void setSelected(boolean selected) { |
| mySelected = selected; |
| } |
| |
| private boolean isPressed() { |
| return isSelected() || isPressedByMouse(); |
| } |
| |
| public void setMouseDeadzone(final TimedDeadzone.Length deadZone) { |
| myMouseDeadzone.setLength(deadZone); |
| } |
| |
| protected void repaintComponent() { |
| repaint(myComponent); |
| } |
| |
| protected void repaint(Component c) { |
| c.repaint(); |
| } |
| |
| private class MyMouseListener extends MouseAdapter { |
| |
| private boolean myWasPressedOnFocusTransfer; |
| |
| public void mouseEntered(MouseEvent e) { |
| myMouseDeadzone.reEnter(); |
| |
| setHovered(true); |
| repaintComponent(); |
| } |
| |
| public void mouseExited(MouseEvent e) { |
| myMouseDeadzone.clear(); |
| |
| setHovered(false); |
| repaintComponent(); |
| } |
| |
| public void mousePressed(MouseEvent e) { |
| Component owner = IdeFocusManager.getInstance(null).getFocusOwner(); |
| myWasPressedOnFocusTransfer = owner == null; |
| |
| if (passIfNeeded(e, !myWasPressedOnFocusTransfer)) return; |
| |
| setPressedByMouse(true); |
| |
| if (myActionTrigger == MouseEvent.MOUSE_PRESSED) { |
| if (execute(e)) return; |
| } else { |
| repaintComponent(); |
| } |
| } |
| |
| |
| public void mouseReleased(MouseEvent e) { |
| try { |
| if (passIfNeeded(e, !myWasPressedOnFocusTransfer)) return; |
| |
| setPressedByMouse(false); |
| |
| if (myActionTrigger == MouseEvent.MOUSE_RELEASED) { |
| if (execute(e)) return; |
| } else { |
| repaintComponent(); |
| } |
| } |
| finally { |
| myWasPressedOnFocusTransfer = false; |
| } |
| } |
| |
| private boolean execute(MouseEvent e) { |
| Point point = e.getPoint(); |
| if (point.x < 0 || point.x > myComponent.getWidth()) return true; |
| if (point.y < 0 || point.y > myComponent.getHeight()) return true; |
| |
| repaintComponent(); |
| |
| BaseButtonBehavior.this.execute(e); |
| ApplicationManager.getApplication().invokeLater(new Runnable() { |
| @Override |
| public void run() { |
| if (!myComponent.isShowing()) { |
| setHovered(false); |
| myMouseDeadzone.clear(); |
| } |
| } |
| }); |
| |
| return false; |
| } |
| |
| private boolean passIfNeeded(final MouseEvent e, boolean considerDeadzone) { |
| final boolean actionClick = UIUtil.isActionClick(e, myActionTrigger); |
| |
| if (!actionClick || (considerDeadzone && myMouseDeadzone.isWithin())) { |
| pass(e); |
| return true; |
| } |
| return false; |
| } |
| |
| } |
| |
| private class MyMouseMotionListener extends MouseMotionAdapter { |
| @Override |
| public void mouseMoved(final MouseEvent e) { |
| myMouseDeadzone.enter(); |
| } |
| } |
| |
| protected abstract void execute(final MouseEvent e); |
| |
| protected void pass(MouseEvent e) { |
| |
| } |
| |
| } |