|
|
@@ -0,0 +1,210 @@ |
|
|
/** |
|
|
* Aptana Studio |
|
|
* Copyright (c) 2005-2012 by Appcelerator, Inc. All Rights Reserved. |
|
|
* Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions). |
|
|
* Please see the license.html included with this distribution for details. |
|
|
* Any modifications to this file must keep this entire header intact. |
|
|
*/ |
|
|
package com.aptana.theme.internal; |
|
|
|
|
|
import org.eclipse.core.runtime.Platform; |
|
|
import org.eclipse.jface.text.ITextViewer; |
|
|
import org.eclipse.swt.custom.StyledText; |
|
|
import org.eclipse.swt.graphics.Color; |
|
|
import org.eclipse.swt.graphics.Cursor; |
|
|
import org.eclipse.swt.graphics.Image; |
|
|
import org.eclipse.swt.graphics.ImageData; |
|
|
import org.eclipse.swt.graphics.PaletteData; |
|
|
import org.eclipse.swt.graphics.RGB; |
|
|
import org.eclipse.swt.widgets.Caret; |
|
|
import org.eclipse.swt.widgets.Display; |
|
|
|
|
|
import com.aptana.theme.ThemePlugin; |
|
|
import com.aptana.ui.util.UIUtils; |
|
|
|
|
|
/** |
|
|
* Applies theme colors to an ITextViewer's StyledText widget. |
|
|
* |
|
|
* @author cwilliams |
|
|
*/ |
|
|
public class TextViewerThemer extends ControlThemer |
|
|
{ |
|
|
|
|
|
private static final RGB BLACK = new RGB(0, 0, 0); |
|
|
|
|
|
private Image fCaretImage; |
|
|
private RGB fCaretColor; |
|
|
private Cursor fCursor; |
|
|
|
|
|
public TextViewerThemer(ITextViewer viewer) |
|
|
{ |
|
|
super(viewer.getTextWidget()); |
|
|
} |
|
|
|
|
|
protected boolean invasiveThemesEnabled() |
|
|
{ |
|
|
return true; |
|
|
} |
|
|
|
|
|
protected boolean useEditorFont() |
|
|
{ |
|
|
return true; |
|
|
} |
|
|
|
|
|
@Override |
|
|
protected void applyTheme() |
|
|
{ |
|
|
super.applyTheme(); |
|
|
|
|
|
if (invasiveThemesEnabled() && !controlIsDisposed()) |
|
|
{ |
|
|
overrideSelectionColor(); |
|
|
overrideCursor(); |
|
|
overrideCaretColor(); |
|
|
} |
|
|
} |
|
|
|
|
|
private StyledText getTextWidget() |
|
|
{ |
|
|
return (StyledText) getControl(); |
|
|
} |
|
|
|
|
|
private void overrideSelectionColor() |
|
|
{ |
|
|
if (getTextWidget() == null) |
|
|
{ |
|
|
return; |
|
|
} |
|
|
|
|
|
// Force selection color |
|
|
Color existingSelectionBG = getTextWidget().getSelectionBackground(); |
|
|
RGB selectionRGB = getCurrentTheme().getSelectionAgainstBG(); |
|
|
if (!existingSelectionBG.getRGB().equals(selectionRGB)) |
|
|
{ |
|
|
getTextWidget().setSelectionBackground(getColorManager().getColor(selectionRGB)); |
|
|
} |
|
|
|
|
|
if (!Platform.OS_MACOSX.equals(Platform.getOS())) |
|
|
{ |
|
|
// Linux and windows need selection fg set or we just see a block of color. |
|
|
getTextWidget().setSelectionForeground(getForeground()); |
|
|
} |
|
|
} |
|
|
|
|
|
private void overrideCursor() |
|
|
{ |
|
|
if (getTextWidget() == null) |
|
|
{ |
|
|
return; |
|
|
} |
|
|
|
|
|
Image cursorImage = null; |
|
|
if (getCurrentTheme().hasDarkBG()) |
|
|
{ |
|
|
cursorImage = UIUtils.getImage(ThemePlugin.getDefault(), ThemePlugin.IBEAM_WHITE); |
|
|
} |
|
|
else |
|
|
{ |
|
|
cursorImage = UIUtils.getImage(ThemePlugin.getDefault(), ThemePlugin.IBEAM_BLACK); |
|
|
} |
|
|
|
|
|
Display display = getTextWidget().getDisplay(); |
|
|
Cursor oldCursor = fCursor; |
|
|
|
|
|
fCursor = new Cursor(display, cursorImage.getImageData(), 7, 11); |
|
|
getTextWidget().setCursor(fCursor); |
|
|
|
|
|
if (oldCursor != null) |
|
|
{ |
|
|
oldCursor.dispose(); |
|
|
} |
|
|
} |
|
|
|
|
|
private void overrideCaretColor() |
|
|
{ |
|
|
if (getTextWidget() == null) |
|
|
{ |
|
|
return; |
|
|
} |
|
|
|
|
|
RGB caretColor = getCurrentTheme().getCaret(); |
|
|
if (caretColor == null) |
|
|
{ |
|
|
return; |
|
|
} |
|
|
|
|
|
Caret caret = getTextWidget().getCaret(); |
|
|
// This is an ugly hack. Setting a black image doesn't work for some reason, but setting no image will cause it |
|
|
// to be black. |
|
|
if (caretColor.equals(BLACK)) |
|
|
{ |
|
|
caret.setImage(null); |
|
|
return; |
|
|
} |
|
|
|
|
|
// Shortcut for when color is same, don't do any heavy lifting |
|
|
if (this.fCaretImage != null && fCaretColor.equals(caretColor)) |
|
|
{ |
|
|
return; |
|
|
} |
|
|
|
|
|
int x = caret.getSize().x; |
|
|
int y = caret.getSize().y; |
|
|
// Apparently the current caret may have invalid sizings |
|
|
// that will cause errors when an attempt to |
|
|
// change the color is made. So perform the check and catch |
|
|
// errors and exceptions so caret coloring |
|
|
// doesn't affect opening the editor. |
|
|
if (x > 0 && y > 0) |
|
|
{ |
|
|
try |
|
|
{ |
|
|
PaletteData data; |
|
|
if (getThemeManager().getCurrentTheme().hasDarkBG()) |
|
|
{ |
|
|
data = new PaletteData(new RGB[] { caretColor }); |
|
|
} |
|
|
else |
|
|
{ |
|
|
RGB inverted = new RGB(255 - caretColor.red, 255 - caretColor.green, 255 - caretColor.blue); |
|
|
data = new PaletteData(new RGB[] { inverted }); |
|
|
} |
|
|
ImageData iData = new ImageData(x, y, 1, data); |
|
|
caret.setImage(null); |
|
|
if (this.fCaretImage != null) |
|
|
{ |
|
|
this.fCaretImage.dispose(); |
|
|
this.fCaretImage = null; |
|
|
} |
|
|
this.fCaretImage = new Image(caret.getDisplay(), iData); |
|
|
caret.setImage(this.fCaretImage); |
|
|
fCaretColor = caretColor; |
|
|
} |
|
|
catch (Error e) |
|
|
{ |
|
|
} |
|
|
catch (Exception e) |
|
|
{ |
|
|
} |
|
|
} |
|
|
} |
|
|
|
|
|
@Override |
|
|
public void dispose() |
|
|
{ |
|
|
if (fCursor != null) |
|
|
{ |
|
|
fCursor.dispose(); |
|
|
fCursor = null; |
|
|
} |
|
|
|
|
|
if (fCaretImage != null) |
|
|
{ |
|
|
fCaretImage.dispose(); |
|
|
fCaretImage = null; |
|
|
} |
|
|
fCaretColor = null; |
|
|
|
|
|
super.dispose(); |
|
|
} |
|
|
} |
