bug 206219: [terminal] make it easy to invert the terminal colors

https://bugs.eclipse.org/bugs/show_bug.cgi?id=206219

terminal/org.eclipse.tm.terminal.view/src/org/eclipse/tm/internal/terminal/view/TerminalPreferenceInitializer.java

@@ -22,6 +22,7 @@ public class TerminalPreferenceInitializer extends AbstractPreferenceInitializer
 	public void initializeDefaultPreferences() {
 		Preferences store = TerminalViewPlugin.getDefault().getPluginPreferences();
 		store.setDefault(TerminalPreferencePage.PREF_LIMITOUTPUT, TerminalPreferencePage.DEFAULT_LIMITOUTPUT);
+		store.setDefault(TerminalPreferencePage.PREF_INVERT_COLORS, TerminalPreferencePage.DEFAULT_INVERT_COLORS);
 		store.setDefault(TerminalPreferencePage.PREF_BUFFERLINES, TerminalPreferencePage.DEFAULT_BUFFERLINES);
 		store.setDefault(TerminalPreferencePage.PREF_TIMEOUT_SERIAL, TerminalPreferencePage.DEFAULT_TIMEOUT_SERIAL);
 		store.setDefault(TerminalPreferencePage.PREF_TIMEOUT_NETWORK, TerminalPreferencePage.DEFAULT_TIMEOUT_NETWORK);

terminal/org.eclipse.tm.terminal.view/src/org/eclipse/tm/internal/terminal/view/TerminalPreferencePage.java

@@ -35,14 +35,18 @@ public class TerminalPreferencePage extends FieldEditorPreferencePage implements
     public static final String  PREF_BUFFERLINES                = "TerminalPrefBufferLines"; //$NON-NLS-1$
     public static final String  PREF_TIMEOUT_SERIAL            = "TerminalPrefTimeoutSerial"; //$NON-NLS-1$
     public static final String  PREF_TIMEOUT_NETWORK           = "TerminalPrefTimeoutNetwork"; //$NON-NLS-1$
+    public static final String  PREF_INVERT_COLORS          = "TerminalPrefInvertColors"; //$NON-NLS-1$
     public static final boolean DEFAULT_LIMITOUTPUT            = true;
     public static final int     DEFAULT_BUFFERLINES            = 1000;
     public static final int     DEFAULT_TIMEOUT_SERIAL         = 5;
     public static final int     DEFAULT_TIMEOUT_NETWORK        = 5;
+    public static final boolean DEFAULT_INVERT_COLORS            = false;
 
 
     protected TerminalBooleanFieldEditor fEditorLimitOutput;
 
+    protected BooleanFieldEditor fInvertColors;
+
 	protected IntegerFieldEditor fEditorBufferSize;
 
 	protected IntegerFieldEditor fEditorSerialTimeout;
@@ -57,6 +61,7 @@ public class TerminalPreferencePage extends FieldEditorPreferencePage implements
 		Label ctlLabel;
 		boolean bEnabled;
 
+
 		ctlButton = fEditorLimitOutput.getChangeControl(getFieldEditorParent());
 		ctlText = fEditorBufferSize.getTextControl(getFieldEditorParent());
 		ctlLabel = fEditorBufferSize.getLabelControl(getFieldEditorParent());
@@ -95,6 +100,9 @@ public class TerminalPreferencePage extends FieldEditorPreferencePage implements
 		setPreferenceStore(preferenceStore);
 	}
 	protected void setupEditors() {
+		fInvertColors = new BooleanFieldEditor(
+				PREF_INVERT_COLORS, ViewMessages.INVERT_COLORS,
+				getFieldEditorParent());
 		fEditorLimitOutput = new TerminalBooleanFieldEditor(
 				PREF_LIMITOUTPUT, ViewMessages.LIMITOUTPUT,
 				getFieldEditorParent());
@@ -111,6 +119,7 @@ public class TerminalPreferencePage extends FieldEditorPreferencePage implements
 		fEditorSerialTimeout.setValidRange(0, Integer.MAX_VALUE);
 		fEditorNetworkTimeout.setValidRange(0, Integer.MAX_VALUE);
 
+		addField(fInvertColors);
 		addField(fEditorLimitOutput);
 		addField(fEditorBufferSize);
 		addField(fEditorSerialTimeout);

terminal/org.eclipse.tm.terminal.view/src/org/eclipse/tm/internal/terminal/view/TerminalView.java

@@ -125,6 +125,10 @@ public class TerminalView extends ViewPart implements ITerminalView, ITerminalLi
 					|| event.getProperty().equals(TerminalPreferencePage.PREF_BUFFERLINES)) {
 				updatePreferences();
 			}
+			if(event.getProperty().equals(TerminalPreferencePage.PREF_INVERT_COLORS)) {
+				Preferences preferences = TerminalViewPlugin.getDefault().getPluginPreferences();
+				fCtlTerminal.setInvertedColors(preferences.getBoolean(TerminalPreferencePage.PREF_INVERT_COLORS));
+			}
 		}
 	};
 	public TerminalView() {
@@ -167,7 +171,6 @@ public class TerminalView extends ViewPart implements ITerminalView, ITerminalLi
 		if(!limitOutput)
 			bufferLineLimit=-1;
 		fCtlTerminal.setBufferLineLimit(bufferLineLimit);
-
 	}
 	// TerminalTarget interface
 	public void setState(final TerminalState state) {

terminal/org.eclipse.tm.terminal.view/src/org/eclipse/tm/internal/terminal/view/ViewMessages.java

@@ -32,6 +32,7 @@ public class ViewMessages extends NLS {
 	public static String VIEW_SETTINGS;
 
     public static String LIMITOUTPUT;
+    public static String INVERT_COLORS;
     public static String BUFFERLINES;
     public static String SERIALTIMEOUT;
     public static String NETWORKTIMEOUT;

terminal/org.eclipse.tm.terminal.view/src/org/eclipse/tm/internal/terminal/view/ViewMessages.properties

@@ -24,6 +24,7 @@ VIEW_TITLE           	  = View Title:
 VIEW_SETTINGS			  = View Settings:
 
 LIMITOUTPUT               = Limit terminal output
+INVERT_COLORS             = Invert terminal colors
 BUFFERLINES               = Terminal buffer lines:
 SERIALTIMEOUT             = Serial timeout (seconds):
 NETWORKTIMEOUT            = Network timeout (seconds):

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/control/ITerminalViewControl.java

@@ -24,6 +24,7 @@ import org.eclipse.tm.internal.terminal.provisional.api.TerminalState;
 public interface ITerminalViewControl {
     boolean isEmpty();
 	void setFont(Font font);
+	void setInvertedColors(boolean invert);
 	Font getFont();
 	Control getControl();
     boolean isDisposed();

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/control/impl/TerminalControl.java

@@ -869,4 +869,7 @@ public class TerminalControl implements ITerminalControlForText, ITerminalContro
 	public void setScrollLock(boolean on) {
 	}
 
+	public void setInvertedColors(boolean invert) {
+	}
+
 }

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/emulator/VT100TerminalControl.java

@@ -906,4 +906,8 @@ public class VT100TerminalControl implements ITerminalControlForText, ITerminalC
 	public void setScrollLock(boolean on) {
 		fCtlText.setScrollLock(on);
 	}
+
+	public void setInvertedColors(boolean invert) {
+		fCtlText.setInvertedColors(invert);
+	}
 }

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/textcanvas/ILinelRenderer.java

@@ -20,4 +20,5 @@ public interface ILinelRenderer {
 	int getCellHeight();
 	void drawLine(ITextCanvasModel model, GC gc, int line, int x, int y, int colFirst, int colLast);
 	void onFontChange();
+	void setInvertedColors(boolean invert);
 }

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/textcanvas/StyleMap.java

@@ -29,6 +29,7 @@ public class StyleMap {
 	Map fFontMap=new HashMap();
 	private Point fCharSize;
 	private final Style fDefaultStyle;
+	private boolean fInvertColors;
 	StyleMap() {
 		Display display=Display.getCurrent();
 		fColorMap.put(StyleColor.getStyleColor("white"), new Color(display,255,255,255)); //$NON-NLS-1$
@@ -57,7 +58,7 @@ public class StyleMap {
 	}
 	public Color getForegrondColor(Style style) {
 		style = defaultIfNull(style);
-		if(style.isReverse())
+		if(isReverse(style))
 			return getColor(style.getBackground());
 		else
 			return getColor(style.getForground());
@@ -69,11 +70,22 @@ public class StyleMap {
 	}
 	public Color getBackgroundColor(Style style) {
 		style = defaultIfNull(style);
-		if(style.isReverse())
+		if(isReverse(style))
 			return getColor(style.getForground());
 		else
 			return getColor(style.getBackground());
 	}
+	private boolean isReverse(Style style) {
+		if(fInvertColors)
+			return !style.isReverse();
+		else
+			return style.isReverse();
+
+	}
+	public void setInvertedColors(boolean invert) {
+		fInvertColors=invert;
+
+	}
 //	static Font getBoldFont(Font font) {
 //		FontData fontDatas[] = font.getFontData();
 //		FontData data = fontDatas[0];

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/textcanvas/TextCanvas.java

@@ -300,5 +300,10 @@ public class TextCanvas extends GridCanvas {
 		calculateGrid();
 	}
 
+	public void setInvertedColors(boolean invert) {
+		fCellRenderer.setInvertedColors(invert);
+		redraw();
+	}
+
 }
 

terminal/org.eclipse.tm.terminal/src/org/eclipse/tm/internal/terminal/textcanvas/TextLineRenderer.java

@@ -139,4 +139,8 @@ public class TextLineRenderer implements ILinelRenderer {
 	public void onFontChange() {
 		fStyleMap.updateFont();
 	}
+	public void setInvertedColors(boolean invert) {
+		fStyleMap.setInvertedColors(invert);
+
+	}
 }