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annotate mde/gui/widget/miscContent.d @ 140:c94ec5594449

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Fixed a bug with changing the minimal size and optimised it slightly.
author Diggory Hardy <diggory.hardy@gmail.com>
date Sun, 08 Feb 2009 15:20:11 +0000
parents 9f035cd139c6
children 2ac3e0012788
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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 * Widgets using content not organised into other modules.
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18 *****************************************************************************/
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19 module mde.gui.widget.miscContent;
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21 import mde.gui.widget.AParentWidget;
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22 import mde.gui.exception;
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23
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24 import mde.content.AStringContent;
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25
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26 debug {
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27 import tango.util.log.Log : Log, Logger;
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28 private Logger logger;
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29 static this () {
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30 logger = Log.getLogger ("mde.gui.widget.miscContent");
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31 }
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32 }
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34 /// Editable boolean widget
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35 class BoolContentWidget : AButtonWidget
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36 {
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37 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData, IContent c) {
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38 content = cast(BoolContent) c;
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39 if (content is null) throw new ContentException (this);
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40 super (mgr, parent, id);
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41 wdimPair s = mgr.renderer.getToggleSize;
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42 w = mw = s.x;
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43 h = mh = s.y;
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44 }
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45
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46 override void draw () {
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47 mgr.renderer.drawToggle (x,y, content(), pushed);
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48 }
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49
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50 override void activated () {
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51 content = !content();
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52 }
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53
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54 protected:
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55 BoolContent content;
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56 }
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57
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58 /// A button connected to an EventContent
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59 class ButtonContentWidget : AButtonWidget
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60 {
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61 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData, IContent c) {
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62 content = cast(Content) c;
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63 if (content is null) throw new ContentException (this);
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64 adapter = mgr.renderer.getAdapter ();
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65 super (mgr, parent, id);
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66 }
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67
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68 override bool setup (uint n, uint flags) {
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69 if (!(flags & 3)) return false; // string or renderer (and possibly font) changed
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70 adapter.text = content.toString(1);
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71 adapter.getDimensions (mw, mh);
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72 if (mw != w || mh != h) {
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73 w = mw;
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74 h = mh;
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75 }
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76 return true;
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77 }
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78
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79 override void draw () {
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80 super.draw();
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81 adapter.draw (x,y);
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82 }
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83
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84 override void activated () {
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85 content.endEvent;
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86 }
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87
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88 protected:
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89 IRenderer.TextAdapter adapter;
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90 Content content;
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91 int index;
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92 }
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93
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94 /** A "tab" widget: it doesn't display the tabs, but shows one of a number of widgets dependant on
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95 * an EnumContent.
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96 *
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97 * Sizability is set once (currently true if any widget is sizable). Size is kept when switching
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98 * widgets if allowed (if this is large enough and resizable). */
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99 class SwitchWidget : AParentWidget
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100 {
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101 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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102 super (mgr, parent, id);
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103 content = cast(EnumContent) c;
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104 if (content is null || (subWidgets.length = content.list.length) == 0)
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105 throw new ContentException (this);
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106 WDCheck (data, 1, subWidgets.length);
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107
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108 foreach (i,sc; content.list)
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109 subWidgets[i] = mgr.makeWidget (this, data.strings[i], sc);
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110 currentW = subWidgets[content()];
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111
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112 content.addCallback (&switchWidget);
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113 }
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115 override bool setup (uint n, uint flags) {
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116 bool r = super.setup (n, flags);
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117 if (r) {
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118 mw = currentW.minWidth;
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119 mh = currentW.minHeight;
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120 w = currentW.width;
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121 h = currentW.height;
130
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122 static if (SIZABILITY & SIZABILITY_ENUM.START_TRUE)
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123 isWS = isHS = true;
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124 foreach (i,sc; content.list) {
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125 static if (SIZABILITY == SIZABILITY_ENUM.ANY_SUBWIDGETS) {
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126 isWS |= subWidgets[i].isWSizable;
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127 isHS |= subWidgets[i].isHSizable;
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128 } else static if (SIZABILITY == SIZABILITY_ENUM.ALL_SUBWIDGETS) {
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129 isWS &= subWidgets[i].isWSizable;
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130 isHS &= subWidgets[i].isHSizable;
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131 }
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132 }
125
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133 }
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134 return r;
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135 }
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136
126
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137 override void minWChange (IChildWidget widget, wdim nmw) {
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138 if (widget !is currentW) return;
125
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139 mw = nmw;
126
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140 parent.minWChange (this, nmw);
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141 }
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142 override void minHChange (IChildWidget widget, wdim nmh) {
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143 if (widget !is currentW) return;
125
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144 mh = nmh;
126
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145 parent.minHChange (this, nmh);
125
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146 }
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147
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148 override bool isWSizable () {
126
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149 return isWS;
125
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150 }
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151 override bool isHSizable () {
126
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152 return isHS;
125
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153 }
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154
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155 override void setWidth (wdim nw, int dir) {
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156 w = (nw >= mw ? nw : mw);
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157 currentW.setWidth (w, dir);
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158 }
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159 override void setHeight (wdim nh, int dir) {
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160 h = (nh >= mh ? nh : mh);
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161 currentW.setHeight (h, dir);
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162 }
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163
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164 override void setPosition (wdim nx, wdim ny) {
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165 x = nx;
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166 y = ny;
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167 currentW.setPosition (nx,ny);
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168 }
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169
128
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170 override IChildWidget getWidget (wdim cx, wdim cy) {
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171 return currentW.getWidget (cx, cy);
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172 }
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173
125
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174 override void draw () {
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175 currentW.draw;
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176 }
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177
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178 protected:
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179 // callback on content
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180 void switchWidget (Content) {
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181 currentW = subWidgets[content()];
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182 mw = currentW.minWidth;
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183 mh = currentW.minHeight;
126
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184 parent.minWChange (this, mw);
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185 parent.minHChange (this, mh);
140
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186 // Parent may change size. If it doesn't, we must set child's size.
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187 // We can't tell if it did, so do it (call will be fast if size isn't
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188 // changed anyway).
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189 currentW.setWidth (w, -1);
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190 currentW.setHeight (h, -1);
125
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191 currentW.setPosition (x,y);
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192 }
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193
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194 IChildWidget currentW;
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195 EnumContent content;
126
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196
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diff changeset
197 bool isWS, isHS; // no infrastructure for changing sizability, so need to fix it.
125
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198 }