/*
* Copyright 2000-2016 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.
*/
/* -*-mode:java; c-basic-offset:2; -*- */
package com.intellij.terminal;
import com.google.common.collect.Lists;
import com.intellij.ide.GeneralSettings;
import com.intellij.ide.IdeEventQueue;
import com.intellij.ide.ui.UISettings;
import com.intellij.openapi.Disposable;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.application.TransactionGuard;
import com.intellij.openapi.editor.impl.ComplementaryFontsRegistry;
import com.intellij.openapi.editor.impl.FontInfo;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.ide.CopyPasteManager;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.util.JBHiDPIScaledImage;
import com.intellij.util.RetinaImage;
import com.intellij.util.ui.UIUtil;
import com.jediterm.terminal.TextStyle;
import com.jediterm.terminal.model.StyleState;
import com.jediterm.terminal.model.TerminalTextBuffer;
import com.jediterm.terminal.ui.TerminalPanel;
import org.intellij.lang.annotations.JdkConstants;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.*;
import java.awt.datatransfer.StringSelection;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import java.util.List;
public class JBTerminalPanel extends TerminalPanel implements FocusListener, TerminalSettingsListener, Disposable,
IdeEventQueue.EventDispatcher {
private static final String[] ACTIONS_TO_SKIP = new String[]{
"ActivateTerminalToolWindow",
"ActivateMessagesToolWindow",
"ActivateProjectToolWindow",
"ActivateFavoritesToolWindow",
"ActivateFindToolWindow",
"ActivateRunToolWindow",
"ActivateDebugToolWindow",
"ActivateTODOToolWindow",
"ActivateStructureToolWindow",
"ActivateHierarchyToolWindow",
"ActivateVersionControlToolWindow",
"HideAllWindows",
"ShowBookmarks",
"GotoBookmark0",
"GotoBookmark1",
"GotoBookmark2",
"GotoBookmark3",
"GotoBookmark4",
"GotoBookmark5",
"GotoBookmark6",
"GotoBookmark7",
"GotoBookmark8",
"GotoBookmark9",
"GotoAction",
"GotoFile",
"GotoClass",
"GotoSymbol",
"ShowSettings",
"RecentFiles",
"Switcher"
};
private final JBTerminalSystemSettingsProviderBase mySettingsProvider;
private List<AnAction> myActionsToSkip;
public JBTerminalPanel(@NotNull JBTerminalSystemSettingsProviderBase settingsProvider,
@NotNull TerminalTextBuffer backBuffer,
@NotNull StyleState styleState) {
super(settingsProvider, backBuffer, styleState);
mySettingsProvider = settingsProvider;
registerKeymapActions(this);
addFocusListener(this);
mySettingsProvider.addListener(this);
}
private static void registerKeymapActions(final TerminalPanel terminalPanel) {
ActionManager actionManager = ActionManager.getInstance();
for (String actionId : ACTIONS_TO_SKIP) {
final AnAction action = actionManager.getAction(actionId);
if (action != null) {
AnAction a = new DumbAwareAction() {
@Override
public void actionPerformed(AnActionEvent e) {
if (e.getInputEvent() instanceof KeyEvent) {
AnActionEvent event =
new AnActionEvent(e.getInputEvent(), e.getDataContext(), e.getPlace(), new Presentation(), e.getActionManager(),
e.getModifiers());
action.update(event);
if (event.getPresentation().isEnabled()) {
action.actionPerformed(event);
}
else {
terminalPanel.handleKeyEvent((KeyEvent)event.getInputEvent());
}
event.getInputEvent().consume();
}
}
};
for (Shortcut sc : action.getShortcutSet().getShortcuts()) {
if (sc.isKeyboard() && sc instanceof KeyboardShortcut) {
KeyboardShortcut ksc = (KeyboardShortcut)sc;
a.registerCustomShortcutSet(ksc.getFirstKeyStroke().getKeyCode(), ksc.getFirstKeyStroke().getModifiers(), terminalPanel);
}
}
}
}
}
@Override
public boolean dispatch(@NotNull AWTEvent e) {
if (e instanceof KeyEvent && !skipKeyEvent((KeyEvent)e)) {
dispatchEvent(e);
return true;
}
return false;
}
private boolean skipKeyEvent(KeyEvent e) {
if (myActionsToSkip == null) {
return false;
}
int kc = e.getKeyCode();
return kc == KeyEvent.VK_ESCAPE || skipAction(e, myActionsToSkip);
}
private static boolean skipAction(KeyEvent e, List<AnAction> actionsToSkip) {
if (actionsToSkip != null) {
final KeyboardShortcut eventShortcut = new KeyboardShortcut(KeyStroke.getKeyStrokeForEvent(e), null);
for (AnAction action : actionsToSkip) {
for (Shortcut sc : action.getShortcutSet().getShortcuts()) {
if (sc.isKeyboard() && sc.startsWith(eventShortcut)) {
return true;
}
}
}
}
return false;
}
@Override
protected void setupAntialiasing(Graphics graphics) {
UIUtil.setupComposite((Graphics2D)graphics);
UISettings.setupAntialiasing(graphics);
}
@Override
protected void setCopyContents(StringSelection selection) {
CopyPasteManager.getInstance().setContents(selection);
}
@Override
protected void drawImage(Graphics2D gfx, BufferedImage image, int x, int y, ImageObserver observer) {
UIUtil.drawImage(gfx, image, x, y, observer);
}
@Override
protected void drawImage(Graphics2D g, BufferedImage image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2) {
drawImage(g, image, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null);
}
public static void drawImage(Graphics g,
Image image,
int dx1,
int dy1,
int dx2,
int dy2,
int sx1,
int sy1,
int sx2,
int sy2,
ImageObserver observer) {
if (image instanceof JBHiDPIScaledImage) {
final Graphics2D newG = (Graphics2D)g.create(0, 0, image.getWidth(observer), image.getHeight(observer));
newG.scale(0.5, 0.5);
Image img = ((JBHiDPIScaledImage)image).getDelegate();
if (img == null) {
img = image;
}
newG.drawImage(img, 2 * dx1, 2 * dy1, 2 * dx2, 2 * dy2, sx1 * 2, sy1 * 2, sx2 * 2, sy2 * 2, observer);
newG.scale(1, 1);
newG.dispose();
}
else if (RetinaImage.isAppleHiDPIScaledImage(image)) {
g.drawImage(image, dx1, dy1, dx2, dy2, sx1 * 2, sy1 * 2, sx2 * 2, sy2 * 2, observer);
}
else {
g.drawImage(image, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, observer);
}
}
@Override
protected boolean isRetina() {
return UIUtil.isRetina();
}
@Override
protected BufferedImage createBufferedImage(int width, int height) {
return UIUtil.createImage(width, height, BufferedImage.TYPE_INT_ARGB);
}
@Override
public void focusGained(FocusEvent event) {
installKeyDispatcher();
if (GeneralSettings.getInstance().isSaveOnFrameDeactivation()) {
TransactionGuard.submitTransaction(this, () -> FileDocumentManager.getInstance().saveAllDocuments());
}
}
private void installKeyDispatcher() {
if (mySettingsProvider.overrideIdeShortcuts()) {
myActionsToSkip = setupActionsToSkip();
IdeEventQueue.getInstance().addDispatcher(this, this);
}
else {
myActionsToSkip = null;
}
}
private static List<AnAction> setupActionsToSkip() {
List<AnAction> res = Lists.newArrayList();
ActionManager actionManager = ActionManager.getInstance();
for (String actionId : ACTIONS_TO_SKIP) {
AnAction action = actionManager.getAction(actionId);
if (action != null) {
res.add(action);
}
}
return res;
}
@Override
public void focusLost(FocusEvent event) {
if (myActionsToSkip != null) {
myActionsToSkip = null;
IdeEventQueue.getInstance().removeDispatcher(this);
}
refreshAfterExecution();
}
@Override
protected Font getFontToDisplay(char c, TextStyle style) {
FontInfo fontInfo = fontForChar(c, style.hasOption(TextStyle.Option.BOLD) ? Font.BOLD : Font.PLAIN);
return fontInfo.getFont();
}
public FontInfo fontForChar(final char c, @JdkConstants.FontStyle int style) {
return ComplementaryFontsRegistry.getFontAbleToDisplay(c, style, mySettingsProvider.getColorScheme().getConsoleFontPreferences());
}
@Override
public void fontChanged() {
reinitFontAndResize();
}
@Override
public void dispose() {
super.dispose();
mySettingsProvider.removeListener(this);
}
public static void refreshAfterExecution() {
if (GeneralSettings.getInstance().isSyncOnFrameActivation()) {
//we need to refresh local file system after a command has been executed in the terminal
LocalFileSystem.getInstance().refresh(true);
}
}
}