bundles/org.eclipse.swt.win32.win32.x86_64/src/org/eclipse/swt/custom/StyledTextListener.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 IBM Corporation and others.
   3  *
   4  * This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License 2.0
   6  * which accompanies this distribution, and is available at
   7  * https://www.eclipse.org/legal/epl-2.0/
   8  *
   9  * SPDX-License-Identifier: EPL-2.0
  10  *
  11  * Contributors:
  12  *     IBM Corporation - initial API and implementation
  13  *******************************************************************************/
  14 package org.eclipse.swt.custom;
  15
  16 import org.eclipse.swt.events.*;
  17 import org.eclipse.swt.internal.*;
  18 import org.eclipse.swt.widgets.*;
  19
  20 class StyledTextListener extends TypedListener {
  21 /**
  22  */
  23 StyledTextListener(SWTEventListener listener) {
  24         super(listener);
  25 }
  26 /**
  27  * Process StyledText events by invoking the event's handler.
  28  *
  29  * @param e the event to handle
  30  */
  31 @Override
  32 public void handleEvent(Event e) {
  33
  34         switch (e.type) {
  35                 case ST.ExtendedModify:
  36                         ExtendedModifyEvent extendedModifyEvent = new ExtendedModifyEvent((StyledTextEvent) e);
  37                         ((ExtendedModifyListener) eventListener).modifyText(extendedModifyEvent);
  38                         break;
  39                 case ST.LineGetBackground:
  40                         LineBackgroundEvent lineBgEvent = new LineBackgroundEvent((StyledTextEvent) e);
  41                         ((LineBackgroundListener) eventListener).lineGetBackground(lineBgEvent);
  42                         ((StyledTextEvent) e).lineBackground = lineBgEvent.lineBackground;
  43                         break;
  44                 case ST.LineGetSegments:
  45                         BidiSegmentEvent segmentEvent = new BidiSegmentEvent((StyledTextEvent) e);
  46                         ((BidiSegmentListener) eventListener).lineGetSegments(segmentEvent);
  47                         ((StyledTextEvent) e).segments = segmentEvent.segments;
  48                         ((StyledTextEvent) e).segmentsChars = segmentEvent.segmentsChars;
  49                         break;
  50                 case ST.LineGetStyle:
  51                         LineStyleEvent lineStyleEvent = new LineStyleEvent((StyledTextEvent) e);
  52                         ((LineStyleListener) eventListener).lineGetStyle(lineStyleEvent);
  53                         ((StyledTextEvent) e).ranges = lineStyleEvent.ranges;
  54                         ((StyledTextEvent) e).styles = lineStyleEvent.styles;
  55                         ((StyledTextEvent) e).alignment = lineStyleEvent.alignment;
  56                         ((StyledTextEvent) e).indent = lineStyleEvent.indent;
  57                         ((StyledTextEvent) e).verticalIndent = lineStyleEvent.verticalIndent;
  58                         ((StyledTextEvent) e).wrapIndent = lineStyleEvent.wrapIndent;
  59                         ((StyledTextEvent) e).justify = lineStyleEvent.justify;
  60                         ((StyledTextEvent) e).bullet = lineStyleEvent.bullet;
  61                         ((StyledTextEvent) e).bulletIndex = lineStyleEvent.bulletIndex;
  62                         ((StyledTextEvent) e).tabStops = lineStyleEvent.tabStops;
  63                         break;
  64                 case ST.PaintObject:
  65                         PaintObjectEvent paintObjectEvent = new PaintObjectEvent((StyledTextEvent) e);
  66                         ((PaintObjectListener) eventListener).paintObject(paintObjectEvent);
  67                         break;
  68                 case ST.VerifyKey:
  69                         VerifyEvent verifyEvent = new VerifyEvent(e);
  70                         ((VerifyKeyListener) eventListener).verifyKey(verifyEvent);
  71                         e.doit = verifyEvent.doit;
  72                         break;
  73                 case ST.TextChanged: {
  74                         TextChangedEvent textChangedEvent = new TextChangedEvent((StyledTextContent) e.data);
  75                         ((TextChangeListener) eventListener).textChanged(textChangedEvent);
  76                         break;
  77                 }
  78                 case ST.TextChanging:
  79                         TextChangingEvent textChangingEvent = new TextChangingEvent((StyledTextContent) e.data, (StyledTextEvent) e);
  80                         ((TextChangeListener) eventListener).textChanging(textChangingEvent);
  81                         break;
  82                 case ST.TextSet: {
  83                         TextChangedEvent textChangedEvent = new TextChangedEvent((StyledTextContent) e.data);
  84                         ((TextChangeListener) eventListener).textSet(textChangedEvent);
  85                         break;
  86                 }
  87                 case ST.WordNext: {
  88                         MovementEvent wordBoundaryEvent = new MovementEvent((StyledTextEvent) e);
  89                         ((MovementListener) eventListener).getNextOffset(wordBoundaryEvent);
  90                         ((StyledTextEvent) e).end = wordBoundaryEvent.newOffset;
  91                         break;
  92                 }
  93                 case ST.WordPrevious: {
  94                         MovementEvent wordBoundaryEvent = new MovementEvent((StyledTextEvent) e);
  95                         ((MovementListener) eventListener).getPreviousOffset(wordBoundaryEvent);
  96                         ((StyledTextEvent) e).end = wordBoundaryEvent.newOffset;
  97                         break;
  98                 }
  99                 case ST.CaretMoved: {
 100                         CaretEvent caretEvent = new CaretEvent((StyledTextEvent) e);
 101                         ((CaretListener) eventListener).caretMoved(caretEvent);
 102                         ((StyledTextEvent) e).end = caretEvent.caretOffset;
 103                         break;
 104                 }
 105         }
 106 }
 107 }
 108
 109