Mercurial > projects > mde
annotate mde/gui/widget/ParentContent.d @ 174:3d58adc17d20
Temporary commit to allow backup
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Mon, 31 Aug 2009 13:54:23 +0200 |
parents | a1ba9157510e |
children | 1cbde9807293 |
rev | line source |
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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 /****************************************************************************** |
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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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23 |
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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 |
131
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108 override void removedIPPW () { |
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109 super.removedIPPW; |
113
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110 pushed = false; |
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111 } |
131
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112 |
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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); |
152
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116 menuActive = mgr.positionPopup (this, popup, parentIPPW.parentMenuActive); |
131
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117 pushed = true; |
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118 } |
117
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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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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; |
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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 } |
172
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166 override void setContent (IContent) { |
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167 logger.warn ("SwitchWidget: resetting content is not yet supported"); |
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168 } |
143
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169 |
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170 override bool setup (uint n, uint flags) { |
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171 bool r = super.setup (n, flags); |
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172 if (r) { |
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173 mw = currentW.minWidth; |
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174 mh = currentW.minHeight; |
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175 w = currentW.width; |
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176 h = currentW.height; |
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177 static if (SIZABILITY & SIZABILITY_ENUM.START_TRUE) |
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178 isWS = isHS = true; |
146
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179 foreach (i,sc; content_.list) { |
143
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180 static if (SIZABILITY == SIZABILITY_ENUM.ANY_SUBWIDGETS) { |
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181 isWS |= subWidgets[i].isWSizable; |
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182 isHS |= subWidgets[i].isHSizable; |
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183 } else static if (SIZABILITY == SIZABILITY_ENUM.ALL_SUBWIDGETS) { |
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184 isWS &= subWidgets[i].isWSizable; |
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185 isHS &= subWidgets[i].isHSizable; |
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186 } |
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187 } |
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188 } |
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189 return r; |
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190 } |
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191 |
170
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192 override void recursionCheck (widgetID wID, IContent c) { |
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193 if (wID is id && c is content_) |
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194 throw new WidgetRecursionException (wID); |
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195 parent.recursionCheck (wID, c); |
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196 } |
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197 |
143
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198 override void minWChange (IChildWidget widget, wdim nmw) { |
173
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199 if (widget is currentW) { |
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200 mw = nmw; |
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201 parent.minWChange (this, nmw); |
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202 } else { // changes won't be seen, but we must follow function spec |
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203 if (widget.width < nmw) |
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204 widget.setWidth (nmw, -1); |
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205 } |
143
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206 } |
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207 override void minHChange (IChildWidget widget, wdim nmh) { |
173
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208 if (widget is currentW) { |
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209 mh = nmh; |
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210 parent.minHChange (this, nmh); |
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211 } else { |
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212 if (widget.height < nmh) |
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213 widget.setHeight (nmh, -1); |
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214 } |
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215 } |
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216 |
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217 override bool isWSizable () { |
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218 return isWS; |
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219 } |
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220 override bool isHSizable () { |
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221 return isHS; |
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222 } |
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223 |
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224 override void setWidth (wdim nw, int dir) { |
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225 w = (nw >= mw ? nw : mw); |
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226 currentW.setWidth (w, dir); |
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227 } |
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228 override void setHeight (wdim nh, int dir) { |
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229 h = (nh >= mh ? nh : mh); |
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230 currentW.setHeight (h, dir); |
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231 } |
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232 |
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233 override void setPosition (wdim nx, wdim ny) { |
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234 x = nx; |
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235 y = ny; |
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236 currentW.setPosition (nx,ny); |
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237 } |
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238 |
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239 override IChildWidget getWidget (wdim cx, wdim cy) { |
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240 return currentW.getWidget (cx, cy); |
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241 } |
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242 |
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243 override void draw () { |
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244 currentW.draw; |
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245 } |
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246 |
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247 protected: |
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248 // callback on content_ |
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249 void switchWidget (IContent) { |
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250 currentW = subWidgets[content_()]; |
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251 mw = currentW.minWidth; |
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252 mh = currentW.minHeight; |
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253 parent.minWChange (this, mw); |
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254 parent.minHChange (this, mh); |
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255 // Parent may change size. If it doesn't, we must set child's size. |
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256 // We can't tell if it did, so do it (call will be fast if size isn't |
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257 // changed anyway). |
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258 currentW.setWidth (w, -1); |
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259 currentW.setHeight (h, -1); |
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260 currentW.setPosition (x,y); |
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261 } |
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262 |
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263 IChildWidget currentW; |
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264 EnumContent content_; |
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265 |
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266 bool isWS, isHS; // no infrastructure for changing sizability, so need to fix it. |
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267 } |
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268 |
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269 /** A collapsible widget: shows/hides a child dependant on an IBoolContent. |
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270 * |
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271 * Sizability is set once. Min-size is changed (but cannot force size to 0). |
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272 * |
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273 * Uses its content as a switch, which means content cannot be passed through. |
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274 * A builtin button would improve this. */ |
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275 class CollapsibleWidget : AParentWidget |
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276 { |
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277 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) { |
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278 super (mgr, parent, id); |
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279 content_ = cast(IBoolContent) c; |
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280 WDCCheck (data, 1, 1, content_); |
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281 |
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282 subWidgets = [mgr.makeWidget (this, data.strings[0], c)]; |
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283 |
173
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284 content_.addCallback (&cbDisplay); |
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285 } |
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286 |
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287 override bool setup (uint n, uint flags) { |
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288 bool r = super.setup (n, flags); |
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289 if (r) { |
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290 display = content_(); |
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291 if (display) { |
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292 mw = subWidgets[0].minWidth; |
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293 mh = subWidgets[0].minHeight; |
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294 w = subWidgets[0].width; |
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295 h = subWidgets[0].height; |
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296 } |
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297 } |
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298 return r; |
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299 } |
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300 |
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301 override void recursionCheck (widgetID wID, IContent c) { |
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302 if (wID is id && c is content_) |
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303 throw new WidgetRecursionException (wID); |
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304 parent.recursionCheck (wID, c); |
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305 } |
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306 |
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307 override IContent content () { |
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308 return content_; |
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309 } |
172
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310 override void setContent (IContent c) { |
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311 auto cont = cast(IBoolContent) c; |
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312 if (!cont) { |
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313 logger.warn ("CollapsibleWidget: invalid content set: {}; ignoring", c); |
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314 return; |
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315 } |
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316 content_ = cont; |
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317 cbDisplay (content_); |
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318 } |
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319 |
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320 override void minWChange (IChildWidget widget, wdim nmw) { |
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321 debug assert (widget is subWidgets[0]); |
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322 mw = nmw; |
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323 parent.minWChange (this, nmw); |
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324 } |
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325 override void minHChange (IChildWidget widget, wdim nmh) { |
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326 debug assert (widget is subWidgets[0]); |
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327 mh = nmh; |
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328 parent.minHChange (this, nmh); |
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329 } |
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330 |
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331 // Doesn't change: |
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332 override bool isWSizable () { |
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333 return subWidgets[0].isWSizable; |
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334 } |
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335 override bool isHSizable () { |
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336 return subWidgets[0].isHSizable; |
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337 } |
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338 |
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339 override void setWidth (wdim nw, int dir) { |
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340 w = (nw >= mw ? nw : mw); |
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341 subWidgets[0].setWidth (w, dir); |
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342 } |
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343 override void setHeight (wdim nh, int dir) { |
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344 h = (nh >= mh ? nh : mh); |
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345 subWidgets[0].setHeight (h, dir); |
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346 } |
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347 |
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348 override void setPosition (wdim nx, wdim ny) { |
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349 x = nx; |
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350 y = ny; |
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351 if (display) subWidgets[0].setPosition (nx,ny); |
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352 } |
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353 |
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354 override IChildWidget getWidget (wdim cx, wdim cy) { |
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355 if (display) |
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356 return subWidgets[0].getWidget (cx, cy); |
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357 else return this; |
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358 } |
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359 |
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360 override void draw () { |
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361 if (display) subWidgets[0].draw; |
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362 } |
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363 |
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364 protected: |
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365 // callback on content_ |
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366 void cbDisplay (IContent) { |
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367 if (display == content_()) return; |
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368 display = content_(); |
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369 logger.trace ("{}.cbDisplay ({})", id, display); |
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370 if (display) { |
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371 mw = subWidgets[0].minWidth; |
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372 mh = subWidgets[0].minHeight; |
173
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373 } else { |
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374 mw = mh = 0; |
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375 } |
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376 parent.minWChange (this, mw); |
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377 parent.minHChange (this, mh); |
173
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378 if (!display) return; |
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379 // set incase parent didn't: |
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380 subWidgets[0].setWidth (w, -1); |
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381 subWidgets[0].setHeight (h, -1); |
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382 subWidgets[0].setPosition (x,y); |
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383 } |
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384 |
173
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385 bool display = false; |
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386 IBoolContent content_; |
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387 } |
147
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388 |
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389 /** Puts a border around its child widget. |
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390 * |
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391 * This doesn't allow dragging like widgets in a floating area. |
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392 * |
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393 * data.ints[1] is interpreted as flags from IRenderer.Border.BTYPE. |
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394 * data.strings[0] is an ID for the child widget. */ |
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395 class BorderWidget : AParentWidget |
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396 { |
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397 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) { |
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398 super (mgr, parent, id); |
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399 WDCheck (data, 2, 1); |
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400 |
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401 subWidgets = [mgr.makeWidget (this, data.strings[0], c)]; |
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402 borderType = cast(BTYPE) data.ints[1]; |
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403 } |
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404 |
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405 override bool setup (uint n, uint flags) { |
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406 if (!subWidgets[0].setup (n, flags) && !(flags & 1)) return false; |
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407 |
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408 border = mgr.renderer.getBorder (borderType, false, false); |
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409 mw = subWidgets[0].minWidth + border.x1 + border.x2; |
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410 mh = subWidgets[0].minHeight + border.y1 + border.y2; |
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411 if (w < mw || !subWidgets[0].isWSizable) w = mw; |
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412 if (h < mh || !subWidgets[0].isHSizable) h = mh; |
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413 return true; |
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414 } |
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415 |
172
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416 override void setContent (IContent c) { |
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417 subWidgets[0].setContent = c; |
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418 } |
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419 |
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420 override void setWidth (wdim nw, int) { |
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421 debug assert (nw >= mw); |
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422 w = nw; |
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423 subWidgets[0].setWidth (w - border.x1 - border.x2, -1); |
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424 } |
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425 override void setHeight (wdim nh, int) { |
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426 debug assert (nh >= mh); |
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427 h = nh; |
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428 subWidgets[0].setHeight (h - border.y1 - border.y2, -1); |
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429 } |
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430 |
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431 override bool isWSizable () { |
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432 return subWidgets[0].isWSizable; |
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433 } |
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434 override bool isHSizable () { |
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435 return subWidgets[0].isHSizable; |
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436 } |
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437 |
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438 override void setPosition (wdim nx, wdim ny) { |
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439 x = nx; |
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440 y = ny; |
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441 subWidgets[0].setPosition (x + border.x1, y + border.y1); |
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442 } |
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443 |
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444 override void minWChange (IChildWidget widget, wdim nmw) { |
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445 debug assert (widget is subWidgets[0]); |
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446 mw = nmw + border.x1 + border.x2; |
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447 parent.minWChange (this, mw); |
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448 } |
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449 override void minHChange (IChildWidget widget, wdim nmh) { |
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450 debug assert (widget is subWidgets[0]); |
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451 mh = nmh + border.y1 + border.y2; |
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452 parent.minHChange (this, mh); |
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453 } |
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454 |
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455 override void draw () { |
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456 mgr.renderer.drawBorder (&border, x, y, w, h); |
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457 subWidgets[0].draw; |
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458 } |
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459 |
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460 override IChildWidget getWidget (wdim cx, wdim cy) { |
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461 debug assert (cx >= x && cx < x + w && cy >= y && cy < y + h, "getWidget: not on widget (code error)"); |
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462 |
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463 if (subWidgets[0].onSelf (cx, cy)) |
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464 return subWidgets[0].getWidget (cx, cy); |
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465 else |
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466 return this; |
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467 } |
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468 |
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469 protected: |
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470 invariant { |
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471 /+TODO |
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472 assert (subWidgets.length == 1); |
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473 assert (mw == subWidgets[0].minWidth + border.x1 + border.x2); |
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474 assert (mh == subWidgets[0].minHeight + border.y1 + border.y2); |
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475 +/ |
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476 } |
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477 |
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478 alias IRenderer.Border.BTYPE BTYPE; |
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479 alias IRenderer.Border.RESIZE RESIZE; |
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480 BTYPE borderType; // what type of border to put around the widget |
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481 IRenderer.Border border; |
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482 } |