Added windows implementation as WIP/example with notes.
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nathan
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272
src/dorkbox/systemTray/nativeUI/_WindowsNativeTray.java
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272
src/dorkbox/systemTray/nativeUI/_WindowsNativeTray.java
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/*
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* Copyright 2017 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.nativeUI;
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import static com.sun.jna.platform.win32.WinDef.HWND;
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import static com.sun.jna.platform.win32.WinDef.LPARAM;
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import static com.sun.jna.platform.win32.WinDef.POINT;
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import static com.sun.jna.platform.win32.WinDef.WPARAM;
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import static com.sun.jna.platform.win32.WinUser.WM_QUIT;
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import static dorkbox.util.jna.windows.Shell32.NIM_ADD;
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import static dorkbox.util.jna.windows.Shell32.NIM_DELETE;
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import static dorkbox.util.jna.windows.Shell32.NIM_MODIFY;
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import static dorkbox.util.jna.windows.Shell32.Shell_NotifyIcon;
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import static dorkbox.util.jna.windows.User32.WM_LBUTTONUP;
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import static dorkbox.util.jna.windows.User32.WM_RBUTTONUP;
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import static dorkbox.util.jna.windows.WindowsEventDispatch.WM_SHELLNOTIFY;
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import static dorkbox.util.jna.windows.WindowsEventDispatch.WM_TASKBARCREATED;
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import java.io.File;
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import javax.swing.ImageIcon;
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import dorkbox.systemTray.MenuItem;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.systemTray.Tray;
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import dorkbox.util.ImageUtil;
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import dorkbox.util.jna.windows.HBITMAPWrap;
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import dorkbox.util.jna.windows.HICONWrap;
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import dorkbox.util.jna.windows.Kernel32;
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import dorkbox.util.jna.windows.Listener;
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import dorkbox.util.jna.windows.Shell32;
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import dorkbox.util.jna.windows.User32;
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import dorkbox.util.jna.windows.WindowsEventDispatch;
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import dorkbox.util.jna.windows.structs.NOTIFYICONDATA;
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/**
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* Native implementation of a System tray on Windows.
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*/
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class _WindowsNativeTray extends Tray implements NativeUI {
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private final Listener quitListener;
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private final Listener menuListener;
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// is the system tray visible or not.
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private volatile boolean visible = true;
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private volatile File imageFile;
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private volatile HICONWrap imageIcon;
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private volatile String tooltipText = "";
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private final Listener showListener;
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private _WindowsNativeTray(final dorkbox.systemTray.SystemTray systemTray) {
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super();
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// we override various methods, because each tray implementation is SLIGHTLY different. This allows us customization.
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// this should be a swing menu, not a "native" menu, which will not be themed to match the OS style. It looks
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// marginally better than AWT. This was verified via a completely native menu system (not the AWT menu system).
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// The menu is currently AWT to allow this class to compile
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final AwtMenu windowsMenu = new AwtMenu(null) {
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@Override
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public
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void setEnabled(final MenuItem menuItem) {
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boolean enabled = menuItem.getEnabled();
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if (visible && !enabled) {
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// hide
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hide();
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}
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else if (!visible && enabled) {
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// show
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show();
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}
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}
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@Override
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public
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void setImage(final MenuItem menuItem) {
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imageFile = menuItem.getImage();
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if (imageIcon != null) {
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imageIcon.close();
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}
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imageIcon = convertImage(imageFile);
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NOTIFYICONDATA nid = new NOTIFYICONDATA();
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nid.hWnd = WindowsEventDispatch.get();
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nid.setIcon(imageIcon);
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if (!Shell32.Shell_NotifyIcon(NIM_MODIFY, nid)) {
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SystemTray.logger.error("Error setting the image for the tray. {}", Kernel32.getLastErrorMessage());
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}
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}
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@Override
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public
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void setText(final MenuItem menuItem) {
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// no op.
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}
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@Override
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public
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void setShortcut(final MenuItem menuItem) {
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// no op
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}
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@Override
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public
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void remove() {
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hide();
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super.remove();
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User32.IMPL.PostMessage(WindowsEventDispatch.get(), WM_QUIT, new WPARAM(0), new LPARAM(0));
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}
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};
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// will wait until it's started up.
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WindowsEventDispatch.start();
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HWND hWnd = WindowsEventDispatch.get();
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if (hWnd == null) {
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throw new RuntimeException("The Windows System Tray is not supported! Please write an issue and include your OS type and " +
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"configuration");
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}
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showListener = new Listener() {
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@Override
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public
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void run(final HWND hWnd, final WPARAM wParam, final LPARAM lParam) {
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show();
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}
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};
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quitListener = new Listener() {
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@Override
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public
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void run(final HWND hWnd, final WPARAM wParam, final LPARAM lParam) {
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WindowsEventDispatch.stop();
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WindowsEventDispatch.removeListener(showListener);
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WindowsEventDispatch.removeListener(quitListener);
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WindowsEventDispatch.removeListener(menuListener);
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}
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};
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menuListener = new Listener() {
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final POINT mousePosition = new POINT();
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@Override
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public
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void run(final HWND hWnd, final WPARAM wParam, final LPARAM lParam) {
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int lp = lParam.intValue();
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switch (lp) {
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case WM_LBUTTONUP:
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if (User32.IMPL.GetCursorPos(mousePosition)) {
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// this should be a swing menu, not a "native" menu, which will not be themed to match the OS style. It looks
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// marginally better than AWT. This was verified via a completely native menu system (not the AWT menu system).
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// The menu is currently AWT to allow this class to compile
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// windowsMenu.showContextMenu(mousePosition);
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}
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break;
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case WM_RBUTTONUP:
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if (User32.IMPL.GetCursorPos(mousePosition)) {
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// this should be a swing menu, not a "native" menu, which will not be themed to match the OS style. It looks
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// marginally better than AWT. This was verified via a completely native menu system (not the AWT menu system).
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// The menu is currently AWT to allow this class to compile
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// windowsMenu.showContextMenu(mousePosition);
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}
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break;
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}
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}
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};
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WindowsEventDispatch.addListener(WM_TASKBARCREATED, showListener);
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WindowsEventDispatch.addListener(WM_QUIT, quitListener);
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WindowsEventDispatch.addListener(WM_SHELLNOTIFY, menuListener);
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show();
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bind(windowsMenu, null, systemTray);
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}
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// public synchronized void balloon (String title, String message, int millis) {
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// balloonNotifyIconData.hWnd = this.windowNotifyIconData.hWnd;
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// balloonNotifyIconData.uID = this.windowNotifyIconData.uID;
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// balloonNotifyIconData.setBalloon(title, message, millis, NIIF_NONE);
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// Shell_NotifyIcon(NIM_MODIFY, balloonNotifyIconData);
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// }
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private void hide() {
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if (imageIcon != null) {
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imageIcon.close();
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imageIcon = null;
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}
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NOTIFYICONDATA nid = new NOTIFYICONDATA();
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nid.hWnd = WindowsEventDispatch.get();
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if (!Shell32.Shell_NotifyIcon(NIM_DELETE, nid)) {
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SystemTray.logger.error("Error hiding tray. {}", Kernel32.getLastErrorMessage());
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}
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visible = false;
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}
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private void show() {
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if (imageIcon != null) {
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imageIcon.close();
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}
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imageIcon = convertImage(imageFile);
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NOTIFYICONDATA nid = new NOTIFYICONDATA();
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nid.hWnd = WindowsEventDispatch.get();
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nid.setTooltip(tooltipText);
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nid.setIcon(imageIcon);
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nid.setCallback(WM_SHELLNOTIFY);
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if (!Shell_NotifyIcon(NIM_ADD, nid)) {
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SystemTray.logger.error("Error showing tray. {}", Kernel32.getLastErrorMessage());
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}
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visible = true;
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}
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@Override
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protected
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void setTooltip_(final String tooltipText) {
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if (this.tooltipText.equals(tooltipText)){
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return;
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}
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this.tooltipText = tooltipText;
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NOTIFYICONDATA nid = new NOTIFYICONDATA();
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nid.hWnd = WindowsEventDispatch.get();
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nid.setTooltip(tooltipText);
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Shell_NotifyIcon(NIM_MODIFY, nid);
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}
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@Override
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public
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boolean hasImage() {
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return imageFile != null;
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}
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private static
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HICONWrap convertImage(final File imageFile) {
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if (imageFile != null) {
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ImageIcon imageIcon = new ImageIcon(imageFile.getAbsolutePath());
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// fully loads the image and returns when it's done loading the image
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imageIcon = new ImageIcon(imageIcon.getImage());
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HBITMAPWrap hbitmapTrayIcon = new HBITMAPWrap(ImageUtil.getBufferedImage(imageIcon));
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return new HICONWrap(hbitmapTrayIcon);
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}
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return null;
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}
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}
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