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annotate mde/gui/widget/TextWidget.d @ 119:d28aea50c6da

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Basic edit cursor placement using the mouse. Moved textContent.d's contents into TextWidget.d.
author Diggory Hardy <diggory.hardy@gmail.com>
date Thu, 01 Jan 2009 14:52:09 +0000
parents b16a534f5302
children 5b37d0400732
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the GNU General Public License for more details.
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12
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13 You should have received a copy of the GNU General Public License
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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15
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16 /** Simple text widgets. */
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17 module mde.gui.widget.TextWidget;
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18
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19 import mde.gui.widget.Widget;
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20 import mde.gui.exception;
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21 import mde.gui.renderer.IRenderer;
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22 import mde.content.AStringContent;
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23
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24 import tango.util.log.Log : Log, Logger;
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25 private Logger logger;
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26 static this () {
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27 logger = Log.getLogger ("mde.gui.widget.TextWidget");
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28 }
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29
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30 /** Base text widget. */
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31 class ATextWidget : AWidget
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32 {
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33 /** Set the adapter first:
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34 * adapter = mgr.renderer.getAdapter (...); */
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35 protected this (IWidgetManager mgr, widgetID id, WidgetData data) {
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36 super (mgr, id, data);
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37 }
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38
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39 /** Recalculates dims if the renderer changed. */
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40 override bool setup (uint,uint flags) {
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41 if (flags & 1) {
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42 adapter.getDimensions (mw, mh);
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43 if (mw != w || mh != h) {
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44 w = mw;
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45 h = mh;
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46 return true;
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47 }
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48 }
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49 return false;
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50 }
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51
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52 override void draw () {
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53 super.draw();
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54 adapter.draw (x,y);
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55 }
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56
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57 protected:
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58 IRenderer.TextAdapter adapter;
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59 }
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62 /** Basic text widget
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63 *
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64 * Displays data.strings[0] directly (no translation). */
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65 class TextLabelWidget : ATextWidget
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66 {
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67 /** Constructor for a widget containing [fixed] content.
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68 *
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69 * Widget uses the initialisation data:
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70 * [widgetID, contentID, colour]
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71 * where contentID is an ID for the string ID of the contained content
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72 * and colour is an 8-bit-per-channel RGB colour of the form 0xRRGGBB. */
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73 this (IWidgetManager mgr, widgetID id, WidgetData data) {
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74 WDCheck (data, 2, 1);
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75 adapter = mgr.renderer.getAdapter (data.ints[1]);
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76 adapter.text = data.strings[0];
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77 super (mgr, id, data);
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78 }
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79 }
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81 /** Basic widget displaying a label from a content.
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82 *
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83 * Can display value, name, description or possibly other field of a content, dependent on
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84 * data.ints[1]. */
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85 class ContentLabelWidget : ATextWidget
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86 {
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87 this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
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88 content = c;
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89 WDCCheck (data, 3, 0, content);
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90 index = data.ints[1];
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91 adapter = mgr.renderer.getAdapter (data.ints[2]);
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92 super (mgr, id,data);
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93 }
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94
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95 override bool setup (uint n, uint flags) {
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96 if (!(flags & 3)) return false; // string or renderer (and possibly font) changed
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97 adapter.text = content.toString(index);
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98 return super.setup (n, 3); // force redimensioning
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99 }
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101 protected:
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102 IContent content;
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103 int index;
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104 }
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105
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106 /// Just displays the value of a content. Generic − any IContent.
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107 class DisplayContentWidget : ATextWidget
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108 {
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109 this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
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110 content = c;
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111 WDCMinCheck(data, 1,0, content);
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112 adapter = mgr.renderer.getAdapter ();
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113 adapter.text = content.toString(0);
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114 super (mgr, id, data);
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115 }
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117 protected:
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118 IContent content;
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119 }
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120
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121 /// Text-box for editing a content's value. Generic − any AStringContent.
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122 class AStringContentWidget : ATextWidget
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123 {
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124 this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
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125 content = cast(AStringContent) c;
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126 WDCMinCheck(data, 1,0, content);
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127 adapter = mgr.renderer.getAdapter ();
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128 adapter.text = content.toString(0);
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129 super (mgr, id, data);
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130 }
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131
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132 override bool isWSizable () { return true; }
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133 override bool isHSizable () { return true; }
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134
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135 /** On click, request keyboard input. */
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136 override int clickEvent (wdabs cx, wdabs, ubyte, bool) {
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137 //adapter.index = content.editIndex;
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138 content.editIndex = adapter.setIndex (cx - x);
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139 mgr.requestRedraw;
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140 return 1; // get keyboard input via keyEvent
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141 }
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142
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143 override void keyEvent (ushort s, char[] i) {
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144 adapter.text = content.keyStroke (s, i);
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145 adapter.index = content.editIndex;
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146 adapter.getDimensions (mw, mh); // NOTE: only passively change size: next resize will see new minimal size
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147 mgr.requestRedraw;
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148 }
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149 override void keyFocusLost () {
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150 adapter.text = content.endEdit; // update other users of content relying on callbacks
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151 adapter.index;
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152 mgr.requestRedraw;
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153 }
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154
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155 protected:
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156 AStringContent content;
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157 }