mirror of https://github.com/weisJ/darklaf.git
weisj
5 years ago
8 changed files with 241 additions and 142 deletions
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/* |
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* MIT License |
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* |
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* Copyright (c) 2020 Jannis Weis |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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package com.github.weisj.darklaf.ui.popupmenu; |
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import com.github.weisj.darklaf.components.OverlayScrollPane; |
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import com.github.weisj.darklaf.decorators.PopupMenuAdapter; |
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import com.github.weisj.darklaf.ui.scrollpane.DarkScrollBarUI; |
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import com.github.weisj.darklaf.util.DarkUIUtil; |
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import javax.swing.*; |
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import javax.swing.event.MenuKeyEvent; |
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import javax.swing.event.MenuKeyListener; |
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import javax.swing.event.PopupMenuEvent; |
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import javax.swing.event.PopupMenuListener; |
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import java.awt.*; |
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public class PopupMenuContainer extends JPanel { |
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private final JScrollPane scrollPane; |
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private final MenuKeyListener menuKeyListener; |
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private final PopupMenuListener menuListener; |
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private JPanel view; |
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private JPopupMenu popupMenu; |
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public PopupMenuContainer() { |
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super(new BorderLayout()); |
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view = new JPanel(new BorderLayout()); |
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OverlayScrollPane overlayScrollPane = createScrollPane(view); |
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scrollPane = overlayScrollPane.getScrollPane(); |
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add(overlayScrollPane, BorderLayout.CENTER); |
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menuKeyListener = new MenuKeyListener() { |
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@Override |
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public void menuKeyTyped(final MenuKeyEvent e) { |
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} |
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@Override |
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public void menuKeyPressed(final MenuKeyEvent e) { |
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SwingUtilities.invokeLater(() -> { |
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if (popupMenu == null) return; |
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MenuElement[] path = e.getMenuSelectionManager().getSelectedPath(); |
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if (path.length == 0) { |
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return; |
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} |
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Rectangle bounds = path[path.length - 1].getComponent().getBounds(); |
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Rectangle r = SwingUtilities.convertRectangle(popupMenu, bounds, scrollPane); |
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scrollPane.getViewport().scrollRectToVisible(r); |
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}); |
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} |
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@Override |
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public void menuKeyReleased(final MenuKeyEvent e) { |
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} |
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}; |
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menuListener = new PopupMenuAdapter() { |
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@Override |
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public void popupMenuWillBecomeInvisible(final PopupMenuEvent e) { |
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onHide(); |
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} |
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@Override |
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public void popupMenuCanceled(final PopupMenuEvent e) { |
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onHide(); |
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} |
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private void onHide() { |
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if (popupMenu == null) return; |
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popupMenu.removePopupMenuListener(this); |
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popupMenu.removeMenuKeyListener(menuKeyListener); |
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} |
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}; |
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} |
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public void setPopupMenu(final JPopupMenu popupMenu) { |
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this.popupMenu = popupMenu; |
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popupMenu.removeMenuKeyListener(menuKeyListener); |
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popupMenu.removePopupMenuListener(menuListener); |
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popupMenu.addMenuKeyListener(menuKeyListener); |
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popupMenu.addPopupMenuListener(menuListener); |
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} |
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public Popup createPopup(final JPopupMenu popupMenu, final int posX, final int posY, final int maxHeight) { |
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setPopupMenu(popupMenu); |
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final Dimension prefSize = popupMenu.getPreferredSize(); |
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if (maxHeight <= 0 || prefSize.height <= maxHeight) { |
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setBounds(0, 0, prefSize.width, prefSize.height); |
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popupMenu.setBorderPainted(true); |
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return PopupFactory.getSharedInstance().getPopup(popupMenu.getInvoker(), popupMenu, posX, posY); |
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} else { |
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int increment = popupMenu.getComponentCount() > 0 |
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? Math.max(1, popupMenu.getComponent(0).getPreferredSize().height / 2) |
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: 1; |
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JScrollBar bar = scrollPane.getVerticalScrollBar(); |
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bar.setValue(bar.getMinimum()); |
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bar.setUnitIncrement(increment); |
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view.removeAll(); |
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view.add(popupMenu, BorderLayout.CENTER); |
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setBorder(popupMenu.getBorder()); |
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popupMenu.setBorderPainted(false); |
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setPreferredSize(new Dimension(prefSize.width + bar.getPreferredSize().width, maxHeight)); |
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return PopupFactory.getSharedInstance().getPopup(popupMenu.getInvoker(), this, posX, posY); |
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} |
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} |
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private OverlayScrollPane createScrollPane(final JComponent content) { |
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OverlayScrollPane overlayScrollPane = |
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new OverlayScrollPane(content, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, |
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JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); |
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JScrollBar bar = overlayScrollPane.getVerticalScrollBar(); |
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bar.putClientProperty(DarkScrollBarUI.KEY_SMALL, Boolean.TRUE); |
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DarkUIUtil.doNotCancelPopupSetup(bar); |
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DarkUIUtil.doNotCancelPopupSetup(overlayScrollPane.getScrollPane()); |
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return overlayScrollPane; |
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} |
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public JScrollPane getScrollPane() { |
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return scrollPane; |
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} |
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} |
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