Changed behavior of the delete key

Added click selection support for Textfields
Viproz · Nov 7, 2018 · 2e47b17 · 2e47b17
1 parent 1f7cb64
commit 2e47b17
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Showing 2 changed files with 34 additions and 8 deletions.
diff --git a/src/controlP5/ControlWindow.java b/src/controlP5/ControlWindow.java
@@ -843,7 +843,7 @@ public ControlWindow setUndecorated( boolean theFlag ) {
 			_myApplet.frame.removeNotify( );
 			_myApplet.frame.setUndecorated( isUndecorated );
 			_myApplet.setSize( _myApplet.width , _myApplet.height );
-			_myApplet.setBounds( 0 , 0 , _myApplet.width , _myApplet.height );
+			//_myApplet.setBounds( 0 , 0 , _myApplet.width , _myApplet.height );
 			_myApplet.frame.setSize( _myApplet.width , _myApplet.height );
 			_myApplet.frame.addNotify( );
 		}

diff --git a/src/controlP5/Textfield.java b/src/controlP5/Textfield.java
@@ -134,8 +134,8 @@ public Textfield( ControlP5 theControlP5 , ControllerGroup< ? > theParent , Stri
 		keyMapping = new HashMap< Integer , TextfieldCommand >( );
 		keyMapping.put( ENTER , new Enter( ) );
 		keyMapping.put( DEFAULT , new InsertCharacter( ) );
-		keyMapping.put( DELETE , new DeleteCharacter( ) );
-		keyMapping.put( BACKSPACE , new DeleteCharacter( ) );
+		keyMapping.put( DELETE , new DeleteCharacterRight( ) );
+		keyMapping.put( BACKSPACE , new DeleteCharacterLeft( ) );
 		keyMapping.put( LEFT , new MoveLeft( ) );
 		keyMapping.put( RIGHT , new MoveRight( ) );
 		keyMapping.put( UP , new MoveUp( ) );
@@ -261,11 +261,27 @@ public boolean isAutoClear( ) {
 	@Override protected void mousePressed( ) {
 		if ( isActive ) {
 			// TODO System.out.println("adjust cursor");
+			// Multiline not supported
 		}
-		int x = ( int ) ( getControlWindow( ).mouseX - x( getAbsolutePosition( ) ) );
-		int y = ( int ) ( getControlWindow( ).mouseY - y( getAbsolutePosition( ) ) );
-
-		// TODO System.out.println(x + ":" + y);
+		int x = ( int ) ( getControlWindow( ).mouseX - x( getPosition( ) ) );
+		int y = ( int ) ( getControlWindow( ).mouseY - y( getPosition( ) ) );
+
+		int i = 0;
+		int textWidth;
+		for(i = 0 ; i <= _myTextBuffer.length() ; i++) {
+			textWidth = ControlFont.getWidthFor( _myTextBuffer.substring( 0 , i ) , _myValueLabel , buffer );
+			if(textWidth > x) {
+				if(i != 0 && textWidth-x > ControlFont.getWidthFor( _myTextBuffer.substring( i-1 , i ) , _myValueLabel , buffer )/2) {
+					i--;
+				}
+				break;
+			}
+		}
+		if(i > _myTextBuffer.length())
+			i = _myTextBuffer.length();
+
+		setIndex(i);
+
 		setFocus( true );
 	}
 
@@ -424,7 +440,7 @@ public void execute( ) {
 		}
 	}
 
-	class DeleteCharacter implements TextfieldCommand {
+	class DeleteCharacterLeft implements TextfieldCommand {
 
 		public void execute( ) {
 			if ( _myTextBuffer.length( ) > 0 && _myTextBufferIndex > 0 ) {
@@ -434,6 +450,16 @@ public void execute( ) {
 		}
 	}
 
+	class DeleteCharacterRight implements TextfieldCommand {
+
+		public void execute( ) {
+			if ( _myTextBuffer.length( ) > 0 && _myTextBufferIndex < _myTextBuffer.length( ) ) {
+				_myTextBuffer.deleteCharAt( _myTextBufferIndex );
+				setIndex( _myTextBufferIndex );
+			}
+		}
+	}
+
 	class MoveLeft implements TextfieldCommand {
 
 		public void execute( ) {