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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.ui.internal.forms.widgets.ControlSegment;
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14
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15 import dwtx.ui.internal.forms.widgets.ObjectSegment;
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16 import dwtx.ui.internal.forms.widgets.IFocusSelectable;
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17 import dwtx.ui.internal.forms.widgets.Locator;
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18 import dwtx.ui.internal.forms.widgets.FormUtil;
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19
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20 import dwt.DWT;
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21 import dwt.graphics.GC;
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22 import dwt.graphics.Point;
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23 import dwt.graphics.Rectangle;
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24 import dwt.widgets.Canvas;
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25 import dwt.widgets.Composite;
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26 import dwt.widgets.Control;
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27
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28 public class ControlSegment : ObjectSegment, IFocusSelectable {
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29
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30
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31 private bool fill;
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32 private int width = DWT.DEFAULT;
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33 private int height = DWT.DEFAULT;
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34
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35 // reimpl for interface
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36 Rectangle getBounds(){
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37 return super.getBounds();
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38 }
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39
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40 public this() {
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41 }
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42
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43 public void setFill(bool fill) {
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44 this.fill = fill;
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45 }
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46
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47 public void setWidth(int width) {
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48 this.width = width;
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49 }
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50
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51 public void setHeight(int height) {
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52 this.height = height;
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53 }
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54
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55 public Control getControl(Hashtable resourceTable) {
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56 Object obj = resourceTable.get(getObjectId());
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57 if ( auto c = cast(Control)obj ) {
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58 if (!c.isDisposed())
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59 return c;
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60 }
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61 return null;
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62 }
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63
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64 protected Point getObjectSize(Hashtable resourceTable, int wHint) {
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65 Control control = getControl(resourceTable);
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66 if (control is null)
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67 return new Point(0,0);
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68 int realWhint = FormUtil.getWidthHint(wHint, control);
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69 Point size = control.computeSize(realWhint, DWT.DEFAULT);
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70 if (realWhint !is DWT.DEFAULT && fill)
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71 size.x = Math.max(size.x, realWhint);
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72 if (width !is DWT.DEFAULT)
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73 size.x = width;
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74 if (height !is DWT.DEFAULT)
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75 size.y = height;
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76 return size;
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77 }
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78
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79 public void layout(GC gc, int width, Locator loc, Hashtable resourceTable,
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80 bool selected) {
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81 super.layout(gc, width, loc, resourceTable, selected);
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82 Control control = getControl(resourceTable);
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83 if (control !is null)
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84 control.setBounds(getBounds());
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85 }
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86
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87 public bool setFocus(Hashtable resourceTable, bool next) {
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88 Control c = getControl(resourceTable);
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89 if (c !is null) {
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90 return setFocus(c, next);
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91 }
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92 return false;
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93 }
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94
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95 private bool setFocus(Control c, bool direction) {
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96 if (auto comp = cast(Composite)c ) {
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97 Control [] tabList = comp.getTabList();
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98 if (direction) {
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99 for (int i=0; i<tabList.length; i++) {
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100 if (setFocus(tabList[i], direction))
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101 return true;
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102 }
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103 }
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104 else {
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105 for (int i=tabList.length-1; i>=0; i--) {
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106 if (setFocus(tabList[i], direction))
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107 return true;
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108 }
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109 }
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110 if (!(null !is cast(Canvas)c ))
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111 return false;
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112 }
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113 return c.setFocus();
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114 }
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115
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116 public bool isFocusSelectable(Hashtable resourceTable) {
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117 Control c = getControl(resourceTable);
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118 if (c !is null)
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119 return true;
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120 return false;
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121 }
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122 }
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