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annotate mde/gui/widget/TextWidget.d @ 175:1cbde9807293

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Compile/link-time fixes for ldc & non-debug builds. Moved WidgetManager to widget/ Reverted IChildWidget to an interface, not an abstract class. Introduced a work-around for a compiler problem. May not cover all cases.
author Diggory Hardy <diggory.hardy@gmail.com>
date Fri, 11 Sep 2009 20:56:53 +0200
parents 3d58adc17d20
children af40e9679436
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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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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.AChildWidget;
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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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30 /** Base text widget. */
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31 class ATextWidget : AChildWidget
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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, IParentWidget parent, widgetID id) {
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36 super (mgr, parent, id);
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37 }
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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 //COMPILER BUG: without defining here, I get a SIGSEGV when calling from a TextLabelWidget
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52 override IContent content () {
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53 return null;
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54 }
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56 override void draw () {
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57 super.draw();
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58 adapter.draw (x,y);
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59 }
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61 protected:
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62 IRenderer.TextAdapter adapter;
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63 }
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66 /** Basic text widget.
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67 *
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68 * Displays data.strings[0] directly (no translation). Using
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69 * DisplayContentWidget with a content is recommended to allow translation.
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70 * (Use EventContent if the content is not used for anything else; EventContent
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71 * is the simplest Content available.) */
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72 class TextLabelWidget : ATextWidget
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73 {
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74 /** Constructor for a widget containing [fixed] content.
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75 *
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76 * Widget uses the initialisation data:
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77 * ints: [widgetID, colour]
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78 * strings: [text]
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79 * where contentID is an ID for the string ID of the contained content
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80 * and colour is an 8-bit-per-channel RGB colour of the form 0xRRGGBB. */
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81 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data) {
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82 WDCheck (data, 2, 1);
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83 super (mgr, parent, id);
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84 adapter = mgr.renderer.getAdapter (data.ints[1]);
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85 adapter.text = data.strings[0];
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86 }
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87 }
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89 /** Displays text from a content.
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90 *
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91 * Displays the value, name, description or possibly another field of a
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92 * content, depending on data.ints[2]. */
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93 class DisplayContentWidget : ATextWidget
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94 {
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95 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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96 content_ = cast(Content) c;
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97 WDCMinCheck (data, 1, 0, content_);
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98 super (mgr, parent, id);
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99
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100 if (data.ints.length >= 3)
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101 cIndex = data.ints[2]; // otherwise display '0', the value
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102 if (cIndex == 0)
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103 content_.addCallback (&updateVal);
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105 adapter = mgr.renderer.getAdapter ();
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106 }
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107
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108 override bool setup (uint n, uint flags) {
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109 if (!(flags & 3)) return false; // string or renderer (and possibly font) changed
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110 adapter.text = content_.toString(cIndex);
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111 return super.setup (n, 3); // force redimensioning
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112 }
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114 override IContent content () {
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115 return content_;
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116 }
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117 override void setContent (IContent c) {
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118 auto cont = cast(Content) c;
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119 if (!cont) {
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120 logger.warn ("DisplayContentWidget: invalid content set: {}; ignoring", c);
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121 return;
0dd49f333189 Implemented "void setContent (IContent)".
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122 }
0dd49f333189 Implemented "void setContent (IContent)".
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123 content_ = cont;
0dd49f333189 Implemented "void setContent (IContent)".
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124 updateVal (content_);
0dd49f333189 Implemented "void setContent (IContent)".
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125 }
146
783969f4665c Simple, inefficient context menus (displaying content description).
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126
91
4d5d53e4f881 Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
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127 protected:
170
e45226d3deae Context menu services not applicable to the current type can now be hidden.
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128 void updateVal (IContent) { // callback
146
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129 adapter.text = content_.toString(cIndex);
138
3468e9bfded1 Popup widgets: are simpler to use and can show content fields like DisplayContentWidget.
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130 wdim omw = mw, omh = mh;
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131 adapter.getDimensions (mw, mh);
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132 if (omw != mw)
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133 parent.minWChange (this, mw);
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134 if (omh != mh)
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135 parent.minHChange (this, mh);
119
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136 }
146
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137 Content content_;
156
36df0ffe34d2 Fix to reload translations.
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138 int cIndex = 0;
119
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139 }
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140
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141 /// Text-box for editing a content's value. Generic − any AStringContent.
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142 class AStringContentWidget : ATextWidget
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143 {
121
5b37d0400732 Widgets now receive and store their parent (IParentWidget). Infinite widget recursion checks. WidgetManager code redistributed.
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144 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData, IContent c) {
146
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145 content_ = cast(AStringContent) c;
783969f4665c Simple, inefficient context menus (displaying content description).
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146 if (content_ is null) throw new ContentException (this);
121
5b37d0400732 Widgets now receive and store their parent (IParentWidget). Infinite widget recursion checks. WidgetManager code redistributed.
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diff changeset
147 super (mgr, parent, id);
5b37d0400732 Widgets now receive and store their parent (IParentWidget). Infinite widget recursion checks. WidgetManager code redistributed.
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diff changeset
148
146
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149 content_.addCallback (&update);
119
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150 adapter = mgr.renderer.getAdapter ();
146
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151 adapter.text = content_.toString(0);
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152 }
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153
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154 override IContent content () {
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155 return content_;
119
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156 }
172
0dd49f333189 Implemented "void setContent (IContent)".
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157 override void setContent (IContent c) {
0dd49f333189 Implemented "void setContent (IContent)".
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158 content_.endEdit; // save in case we were editing (FIXME: this has other side effects?)
0dd49f333189 Implemented "void setContent (IContent)".
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159 auto cont = cast(AStringContent) c;
0dd49f333189 Implemented "void setContent (IContent)".
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diff changeset
160 if (!cont) {
0dd49f333189 Implemented "void setContent (IContent)".
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161 logger.warn ("AStringContentWidget: invalid content set: {}; ignoring", c);
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162 return;
0dd49f333189 Implemented "void setContent (IContent)".
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163 }
0dd49f333189 Implemented "void setContent (IContent)".
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164 content_ = cont;
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165 update (content_);
0dd49f333189 Implemented "void setContent (IContent)".
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166 }
119
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167
130
c5c38eaadb64 Changed how sizability is set for parents: can require all sub-widgets resizable or only one to set parent resizable.
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168 override bool isWSizable () {
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169 return true;
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170 }
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diff changeset
171 override bool isHSizable () {
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172 return false;
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173 }
119
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174
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175 /** On click, request keyboard input. */
162
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176 override int clickEvent (wdabs cx, wdabs, ubyte, bool state) {
163
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parents: 162
diff changeset
177 if (state)
166
55667d048c31 Made content displayable while being dragged.
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parents: 163
diff changeset
178 return 6;
163
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parents: 162
diff changeset
179 else {
162
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180 content_.editIndex = adapter.setIndex (cx - x);
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181 mgr.requestRedraw;
163
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parents: 162
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182 return 1; // get keyboard input via keyEvent
162
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183 }
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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diff changeset
184 }
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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diff changeset
185
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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diff changeset
186 override bool dragRelease (wdabs, wdabs, IChildWidget widg) {
163
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parents: 162
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187 if (widg !is this) { // don't copy content to self
162
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diff changeset
188 widg.dropContent (content_);
163
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parents: 162
diff changeset
189 return true; // don't pass click as well as copy
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parents: 162
diff changeset
190 }
24d77c52243f Provided sensible conversions for setting the value of one AStringContent from another, along with unittest.
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parents: 162
diff changeset
191 return false;
119
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192 }
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diff changeset
193
174
3d58adc17d20 Temporary commit to allow backup
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parents: 172
diff changeset
194 public override void keyEvent (ushort s, char[] i) {
146
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parents: 145
diff changeset
195 adapter.text = content_.keyStroke (s, i);
783969f4665c Simple, inefficient context menus (displaying content description).
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diff changeset
196 adapter.index = content_.editIndex;
126
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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diff changeset
197 wdim omw = mw, omh = mh;
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parents: 123
diff changeset
198 adapter.getDimensions (mw, mh);
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parents: 123
diff changeset
199 if (omw != mw)
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Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
200 parent.minWChange (this, mw);
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
201 if (omh != mh)
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents: 123
diff changeset
202 parent.minHChange (this, mh);
119
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parents: 114
diff changeset
203 mgr.requestRedraw;
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diff changeset
204 }
174
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parents: 172
diff changeset
205 public override void keyFocusLost () {
163
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parents: 162
diff changeset
206 content_.endEdit;
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parents: 162
diff changeset
207 adapter.text = content_.toString (0);
119
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diff changeset
208 adapter.index;
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diff changeset
209 mgr.requestRedraw;
d28aea50c6da Basic edit cursor placement using the mouse.
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diff changeset
210 }
d28aea50c6da Basic edit cursor placement using the mouse.
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parents: 114
diff changeset
211
162
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parents: 156
diff changeset
212 override bool dropContent (IContent content) {
163
24d77c52243f Provided sensible conversions for setting the value of one AStringContent from another, along with unittest.
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parents: 162
diff changeset
213 if (content_.set (content))
162
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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parents: 156
diff changeset
214 return true;
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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parents: 156
diff changeset
215 return parent.dropContent (content);
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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parents: 156
diff changeset
216 }
2476790223b8 First drag and drop support: can drag from AStringContentWidget to any content editable. No visual feedback while dragging.
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parents: 156
diff changeset
217
119
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parents: 114
diff changeset
218 protected:
170
e45226d3deae Context menu services not applicable to the current type can now be hidden.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 166
diff changeset
219 void update (IContent) { // callback
146
783969f4665c Simple, inefficient context menus (displaying content description).
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parents: 145
diff changeset
220 adapter.text = content_.toString(0);
126
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents: 123
diff changeset
221 wdim omw = mw, omh = mh;
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents: 123
diff changeset
222 adapter.getDimensions (mw, mh);
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
223 if (omw != mw)
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
224 parent.minWChange (this, mw);
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
225 if (omh != mh)
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
226 parent.minHChange (this, mh);
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 123
diff changeset
227 }
146
783969f4665c Simple, inefficient context menus (displaying content description).
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parents: 145
diff changeset
228 AStringContent content_;
119
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diff changeset
229 }