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annotate mde/gui/widget/ParentContent.d @ 170:e45226d3deae

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Context menu services not applicable to the current type can now be hidden. Added files missing from previous commits.
author Diggory Hardy <diggory.hardy@gmail.com>
date Mon, 29 Jun 2009 21:20:16 +0200
parents da8d3091fdaf
children 0dd49f333189
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 /******************************************************************************
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17 * A pop-up widget, a switch (tab) widget, and a collapsible widget
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18 * (all parent widgets using content).
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19 *
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20 * Also a border widget (parent not using content).
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21 *****************************************************************************/
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22 module mde.gui.widget.ParentContent;
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24 import mde.gui.widget.AParentWidget;
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25 import mde.gui.widget.layout;
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26 import mde.content.AStringContent;
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27 import mde.gui.exception;
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28
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29 debug {
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30 import tango.util.log.Log : Log, Logger;
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31 private Logger logger;
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32 static this () {
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33 logger = Log.getLogger ("mde.gui.widget.ParentContent");
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34 }
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35 }
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36
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37 /******************************************************************************
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38 * Widget which pops up a ContentListWidget created with its content.
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39 *
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40 * Is a button displaying a content string, just like DisplayContentWidget.
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41 *
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42 * Popped up widget is a ContentListWidget created from the same creation data.
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43 *****************************************************************************/
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44 class PopupMenuWidget : APopupParentWidget
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45 {
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46 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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47 content_ = cast(Content)c;
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48 WDCMinCheck (data, 3,1, content_);
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49 super (mgr, parent, id);
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50
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51 popup = new ContentListWidget (mgr, this, id, data, c);
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52 subWidgets = [popup];
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53
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54 cIndex = data.ints[2];
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55 if (cIndex == 0)
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56 content_.addCallback (&updateVal);
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57 adapter = mgr.renderer.getAdapter;
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58 adapter.text = content_.toString (cIndex);
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59 adapter.getDimensions (mw, mh);
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60 w = mw;
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61 h = mh;
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62 }
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63
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64 override bool setup (uint n, uint flags) {
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65 bool ret = super.setup (n, flags);
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66 if (!(flags & 3)) return ret;
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67 // else string or renderer (and possibly font) changed
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68 adapter.text = content_.toString (cIndex);
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69 wdim omw = mw, omh = mh;
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70 adapter.getDimensions (mw, mh);
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71 if (omw != mw || omh != mh) {
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72 w = mw;
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73 h = mh;
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74 return true;
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75 }
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76 return ret;
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77 }
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78
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79 override IContent content () {
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80 return content_;
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81 }
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82
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83 override bool dropContent (IContent content) {
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84 if (content_.set (content))
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85 return true;
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86 return parent.dropContent (content);
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87 }
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88
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89 override void recursionCheck (widgetID wID, IContent c) {
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90 if (wID is id && c is content_)
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91 throw new WidgetRecursionException (wID);
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92 parent.recursionCheck (wID, c);
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93 }
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94
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95 override int clickEvent (wdabs, wdabs, ubyte b, bool state) {
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96 if (b == 1 && state == true) {
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97 if (!pushed) {
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98 parentIPPW.addChildIPPW (this);
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99 parentIPPW.menuActive = mgr.positionPopup (this, popup);
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100 pushed = true;
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101 } else if (!parentIPPW.parentMenuActive) { // if not a submenu
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102 parentIPPW.removeChildIPPW (this);
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103 }
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104 }
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105 return 0;
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106 }
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107
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108 override void removedIPPW () {
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109 super.removedIPPW;
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110 pushed = false;
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111 }
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113 override void underMouse (bool state) {
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114 if (state && !pushed && parentIPPW.menuActive) {
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115 parentIPPW.addChildIPPW (this);
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116 menuActive = mgr.positionPopup (this, popup, parentIPPW.parentMenuActive);
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117 pushed = true;
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118 }
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119 }
113
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120
114
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121 override void draw () {
113
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122 mgr.renderer.drawButton (x,y, w,h, pushed);
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123 adapter.draw (x,y);
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124 }
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125
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126 protected:
170
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127 void updateVal (IContent) { // callback
146
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128 adapter.text = content_.toString(cIndex);
138
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129 wdim omw = mw, omh = mh;
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130 adapter.getDimensions (mw, mh);
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131 if (omw != mw)
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132 parent.minWChange (this, mw);
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133 if (omh != mh)
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134 parent.minHChange (this, mh);
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135 }
158
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parents: 155
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136
113
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137 bool pushed = false;
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138 IRenderer.TextAdapter adapter;
146
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139 Content content_;
138
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140 int cIndex;
113
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141 }
143
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142
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143 /** A "tab" widget: it doesn't display the tabs, but shows one of a number of
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144 * widgets dependant on an EnumContent.
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145 *
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146 * Sizability is set once. Min-size is updated when switching. */
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147 class SwitchWidget : AParentWidget
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148 {
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149 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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150 super (mgr, parent, id);
146
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151 content_ = cast(EnumContent) c;
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152 if (content_ is null || (subWidgets.length = content_.list.length) == 0)
143
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153 throw new ContentException (this);
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154 WDCheck (data, 1, subWidgets.length);
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155
146
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156 foreach (i,sc; content_.list)
143
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157 subWidgets[i] = mgr.makeWidget (this, data.strings[i], sc);
146
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158 currentW = subWidgets[content_()];
143
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159
146
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160 content_.addCallback (&switchWidget);
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161 }
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162
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163 override IContent content () {
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164 return content_;
143
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165 }
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166
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167 override bool setup (uint n, uint flags) {
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168 bool r = super.setup (n, flags);
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169 if (r) {
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170 mw = currentW.minWidth;
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171 mh = currentW.minHeight;
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172 w = currentW.width;
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173 h = currentW.height;
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174 static if (SIZABILITY & SIZABILITY_ENUM.START_TRUE)
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175 isWS = isHS = true;
146
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176 foreach (i,sc; content_.list) {
143
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177 static if (SIZABILITY == SIZABILITY_ENUM.ANY_SUBWIDGETS) {
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178 isWS |= subWidgets[i].isWSizable;
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179 isHS |= subWidgets[i].isHSizable;
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180 } else static if (SIZABILITY == SIZABILITY_ENUM.ALL_SUBWIDGETS) {
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181 isWS &= subWidgets[i].isWSizable;
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182 isHS &= subWidgets[i].isHSizable;
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183 }
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184 }
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185 }
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186 return r;
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187 }
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188
170
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189 override void recursionCheck (widgetID wID, IContent c) {
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190 if (wID is id && c is content_)
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191 throw new WidgetRecursionException (wID);
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192 parent.recursionCheck (wID, c);
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193 }
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194
143
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195 override void minWChange (IChildWidget widget, wdim nmw) {
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196 if (widget !is currentW) return;
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197 mw = nmw;
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198 parent.minWChange (this, nmw);
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199 }
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200 override void minHChange (IChildWidget widget, wdim nmh) {
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201 if (widget !is currentW) return;
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202 mh = nmh;
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203 parent.minHChange (this, nmh);
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204 }
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205
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206 override bool isWSizable () {
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207 return isWS;
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208 }
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209 override bool isHSizable () {
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210 return isHS;
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211 }
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212
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213 override void setWidth (wdim nw, int dir) {
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214 w = (nw >= mw ? nw : mw);
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215 currentW.setWidth (w, dir);
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216 }
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217 override void setHeight (wdim nh, int dir) {
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218 h = (nh >= mh ? nh : mh);
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219 currentW.setHeight (h, dir);
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220 }
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221
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222 override void setPosition (wdim nx, wdim ny) {
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223 x = nx;
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224 y = ny;
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225 currentW.setPosition (nx,ny);
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226 }
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227
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228 override IChildWidget getWidget (wdim cx, wdim cy) {
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229 return currentW.getWidget (cx, cy);
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230 }
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231
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232 override void draw () {
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233 currentW.draw;
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234 }
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235
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parents: 141
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236 protected:
146
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237 // callback on content_
170
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parents: 168
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238 void switchWidget (IContent) {
146
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239 currentW = subWidgets[content_()];
143
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240 mw = currentW.minWidth;
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241 mh = currentW.minHeight;
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parents: 141
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242 parent.minWChange (this, mw);
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parents: 141
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243 parent.minHChange (this, mh);
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parents: 141
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244 // Parent may change size. If it doesn't, we must set child's size.
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parents: 141
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245 // We can't tell if it did, so do it (call will be fast if size isn't
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parents: 141
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246 // changed anyway).
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parents: 141
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247 currentW.setWidth (w, -1);
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parents: 141
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248 currentW.setHeight (h, -1);
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parents: 141
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249 currentW.setPosition (x,y);
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250 }
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251
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252 IChildWidget currentW;
146
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parents: 144
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253 EnumContent content_;
143
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254
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255 bool isWS, isHS; // no infrastructure for changing sizability, so need to fix it.
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parents: 141
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256 }
144
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parents: 143
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257
170
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parents: 168
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258 /** A collapsible widget: shows/hides a child dependant on an IBoolContent.
144
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parents: 143
diff changeset
259 *
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parents: 143
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260 * Sizability is set once. Min-size is changed (but cannot force size to 0).
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261 *
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262 * Uses its content as a switch, which means content cannot be passed through.
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263 * A builtin button would improve this. */
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264 class CollapsibleWidget : AParentWidget
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265 {
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266 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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267 super (mgr, parent, id);
170
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268 content_ = cast(IBoolContent) c;
146
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269 WDCCheck (data, 1, 1, content_);
144
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270
155
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271 subWidgets = [mgr.makeWidget (this, data.strings[0], c)];
144
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272
146
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273 content_.addCallback (&collapse);
144
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274 }
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275
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276 override bool setup (uint n, uint flags) {
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277 bool r = super.setup (n, flags);
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278 if (r) {
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279 collapsed = content_();
144
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280 if (!collapsed) {
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281 mw = subWidgets[0].minWidth;
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282 mh = subWidgets[0].minHeight;
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283 w = subWidgets[0].width;
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284 h = subWidgets[0].height;
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285 }
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286 }
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287 return r;
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288 }
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289
170
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290 override void recursionCheck (widgetID wID, IContent c) {
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291 if (wID is id && c is content_)
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292 throw new WidgetRecursionException (wID);
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293 parent.recursionCheck (wID, c);
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294 }
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295
146
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296 override IContent content () {
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297 return content_;
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298 }
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299
144
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300 override void minWChange (IChildWidget widget, wdim nmw) {
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301 debug assert (widget is subWidgets[0]);
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302 mw = nmw;
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303 parent.minWChange (this, nmw);
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304 }
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305 override void minHChange (IChildWidget widget, wdim nmh) {
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306 debug assert (widget is subWidgets[0]);
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307 mh = nmh;
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308 parent.minHChange (this, nmh);
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309 }
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310
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311 // Doesn't change:
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312 override bool isWSizable () {
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313 return subWidgets[0].isWSizable;
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314 }
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315 override bool isHSizable () {
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316 return subWidgets[0].isHSizable;
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317 }
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318
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319 override void setWidth (wdim nw, int dir) {
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320 w = (nw >= mw ? nw : mw);
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321 if (!collapsed) subWidgets[0].setWidth (w, dir);
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322 }
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323 override void setHeight (wdim nh, int dir) {
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324 h = (nh >= mh ? nh : mh);
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325 if (!collapsed) subWidgets[0].setHeight (h, dir);
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326 }
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327
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328 override void setPosition (wdim nx, wdim ny) {
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329 x = nx;
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330 y = ny;
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331 if (!collapsed) subWidgets[0].setPosition (nx,ny);
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332 }
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333
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334 override IChildWidget getWidget (wdim cx, wdim cy) {
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335 if (!collapsed)
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336 return subWidgets[0].getWidget (cx, cy);
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337 else return this;
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338 }
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339
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340 override void draw () {
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341 if (!collapsed) subWidgets[0].draw;
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342 }
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343
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344 protected:
146
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345 // callback on content_
170
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346 void collapse (IContent) {
146
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347 collapsed = content_();
144
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348 if (collapsed) {
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349 mw = mh = 0;
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350 } else {
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351 mw = subWidgets[0].minWidth;
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352 mh = subWidgets[0].minHeight;
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353 }
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354 parent.minWChange (this, mw);
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355 parent.minHChange (this, mh);
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356 if (collapsed) return;
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357 // set incase parent didn't:
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358 subWidgets[0].setWidth (w, -1);
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359 subWidgets[0].setHeight (h, -1);
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360 subWidgets[0].setPosition (x,y);
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361 }
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parents: 143
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362
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363 bool collapsed = false;
170
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parents: 168
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364 IBoolContent content_;
144
66c58e5b0062 Added a BoolContent-based collapsible widget.
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365 }
147
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parents: 146
diff changeset
366
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parents: 146
diff changeset
367 /** Puts a border around its child widget.
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368 *
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diff changeset
369 * This doesn't allow dragging like widgets in a floating area.
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370 *
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parents: 146
diff changeset
371 * data.ints[1] is interpreted as flags from IRenderer.Border.BTYPE.
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parents: 146
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372 * data.strings[0] is an ID for the child widget. */
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373 class BorderWidget : AParentWidget
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374 {
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375 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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376 super (mgr, parent, id);
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parents: 146
diff changeset
377 WDCheck (data, 2, 1);
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parents: 146
diff changeset
378
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diff changeset
379 subWidgets = [mgr.makeWidget (this, data.strings[0], c)];
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380 borderType = cast(BTYPE) data.ints[1];
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381 }
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382
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diff changeset
383 override bool setup (uint n, uint flags) {
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diff changeset
384 if (!subWidgets[0].setup (n, flags) && !(flags & 1)) return false;
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385
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diff changeset
386 border = mgr.renderer.getBorder (borderType, false, false);
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387 mw = subWidgets[0].minWidth + border.x1 + border.x2;
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diff changeset
388 mh = subWidgets[0].minHeight + border.y1 + border.y2;
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parents: 146
diff changeset
389 if (w < mw || !subWidgets[0].isWSizable) w = mw;
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parents: 146
diff changeset
390 if (h < mh || !subWidgets[0].isHSizable) h = mh;
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parents: 146
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391 return true;
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diff changeset
392 }
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parents: 146
diff changeset
393
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parents: 146
diff changeset
394 override void setWidth (wdim nw, int) {
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diff changeset
395 debug assert (nw >= mw);
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diff changeset
396 w = nw;
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diff changeset
397 subWidgets[0].setWidth (w - border.x1 - border.x2, -1);
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diff changeset
398 }
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parents: 146
diff changeset
399 override void setHeight (wdim nh, int) {
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Diggory Hardy <diggory.hardy@gmail.com>
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400 debug assert (nh >= mh);
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401 h = nh;
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402 subWidgets[0].setHeight (h - border.y1 - border.y2, -1);
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403 }
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404
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405 override bool isWSizable () {
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406 return subWidgets[0].isWSizable;
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407 }
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408 override bool isHSizable () {
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409 return subWidgets[0].isHSizable;
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410 }
075705ad664a Added a border widget.
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411
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412 override void setPosition (wdim nx, wdim ny) {
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413 x = nx;
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414 y = ny;
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415 subWidgets[0].setPosition (x + border.x1, y + border.y1);
075705ad664a Added a border widget.
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416 }
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
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417
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Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
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418 override void minWChange (IChildWidget widget, wdim nmw) {
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419 debug assert (widget is subWidgets[0]);
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420 mw = nmw + border.x1 + border.x2;
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421 parent.minWChange (this, nmw);
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422 }
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Diggory Hardy <diggory.hardy@gmail.com>
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423 override void minHChange (IChildWidget widget, wdim nmh) {
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424 debug assert (widget is subWidgets[0]);
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425 mh = nmh + border.y1 + border.y2;
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Diggory Hardy <diggory.hardy@gmail.com>
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426 parent.minHChange (this, nmh);
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427 }
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
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diff changeset
428
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429 override void draw () {
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Diggory Hardy <diggory.hardy@gmail.com>
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430 mgr.renderer.drawBorder (&border, x, y, w, h);
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431 subWidgets[0].draw;
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Diggory Hardy <diggory.hardy@gmail.com>
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432 }
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
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433
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Diggory Hardy <diggory.hardy@gmail.com>
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434 override IChildWidget getWidget (wdim cx, wdim cy) {
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435 debug assert (cx >= x && cx < x + w && cy >= y && cy < y + h, "getWidget: not on widget (code error)");
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
diff changeset
436
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
diff changeset
437 if (subWidgets[0].onSelf (cx, cy))
168
da8d3091fdaf More work on the context menu: now roughly usable like an ordinary context menu.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 165
diff changeset
438 return subWidgets[0].getWidget (cx, cy);
147
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
diff changeset
439 else
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Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
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440 return this;
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Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
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441 }
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
diff changeset
442
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 146
diff changeset
443 protected:
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Diggory Hardy <diggory.hardy@gmail.com>
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444 alias IRenderer.Border.BTYPE BTYPE;
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Diggory Hardy <diggory.hardy@gmail.com>
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445 alias IRenderer.Border.RESIZE RESIZE;
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Diggory Hardy <diggory.hardy@gmail.com>
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446 BTYPE borderType; // what type of border to put around the widget
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Diggory Hardy <diggory.hardy@gmail.com>
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447 IRenderer.Border border;
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
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448 }