80 lines
2.6 KiB
Java
80 lines
2.6 KiB
Java
/*
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* Copyright 2021 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.systemTray.ui.osx;
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import java.awt.image.BufferedImage;
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import dorkbox.jna.macos.cocoa.NSImage;
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import dorkbox.jna.macos.cocoa.NSInteger;
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import dorkbox.jna.macos.cocoa.NSMenuItem;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.systemTray.peer.EntryPeer;
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import dorkbox.systemTray.util.SizeAndScalingUtil;
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import dorkbox.util.ImageUtil;
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abstract
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class OsxBaseMenuItem implements EntryPeer {
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// these are necessary BECAUSE OSX menus look funky when there are some menu entries WITH icons and some WITHOUT
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private static NSImage transparentIcon = null;
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/**
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* @param menuImageSize this is the largest size of an image used in a JMenuItem, before the size of the JMenuItem is forced to be larger
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*/
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static NSImage getTransparentIcon(int menuImageSize) {
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if (transparentIcon == null) {
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NSImage transparentIcon_;
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try {
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final BufferedImage image = ImageUtil.createImageAsBufferedImage(3, menuImageSize, null);
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transparentIcon_ = new NSImage(ImageUtil.toBytes(image));
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} catch (Exception e) {
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transparentIcon_ = null;
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SystemTray.logger.error("Error creating transparent image.", e);
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}
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transparentIcon = transparentIcon_;
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}
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return transparentIcon;
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}
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// the native OSX components
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protected final OsxMenu parent;
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protected final NSMenuItem _native = new NSMenuItem();
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// to prevent GC
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@SuppressWarnings("FieldCanBeLocal")
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private final NSInteger indentationLevel = new NSInteger(1);
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OsxBaseMenuItem(final OsxMenu parent) {
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this.parent = parent;
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// this is to provide reasonable spacing for the menu item, otherwise it looks weird
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_native.setIndentationLevel(indentationLevel);
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_native.setImage(getTransparentIcon(SizeAndScalingUtil.TRAY_MENU_SIZE));
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parent.addItem(_native);
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}
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@Override
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public
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void remove() {
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_native.setImage(null);
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if (parent != null) {
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parent.removeItem(_native);
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}
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}
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}
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