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annotate mde/gui/widget/miscContent.d @ 125:3e648bc53bde

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Added a simple switch/tab widget (depends on existing EnumContent).
author Diggory Hardy <diggory.hardy@gmail.com>
date Tue, 06 Jan 2009 16:54:04 +0000
parents 5b37d0400732
children c9843fbaac88
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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 function to return content widgets and some miscellaneous content display/editing widgets.
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18 *************************************************************************************************/
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19 module mde.gui.widget.miscContent;
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21 import mde.gui.widget.Widget;
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22 import mde.gui.exception;
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23 import mde.gui.widget.TextWidget;
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24 import mde.gui.widget.layout;
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25 import mde.gui.widget.PopupMenu;
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27 import mde.gui.renderer.IRenderer;
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28 import mde.content.AStringContent;
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29 import mde.content.miscContent;
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30 import Items = mde.content.Items;
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32 debug {
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33 import tango.util.log.Log : Log, Logger;
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34 private Logger logger;
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35 static this () {
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36 logger = Log.getLogger ("mde.gui.widget.miscContent");
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37 }
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38 }
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40 /*************************************************************************************************
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41 * A function which uses Items.get (data.strings[0]) to get a content and creates a widget from
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42 * data.ints[1]. The first item in each ints and strings is removed before passing data to the new
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43 * widget.
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44 *
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45 * The function only takes an IContent parameter to satisfy createWidget; it's value is ignored.
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46 ************************************************************************************************/
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47 IChildWidget addContent (IWidgetManager mgr, IParentWidget parent, widgetID, WidgetData data, IContent) {
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48 if (data.strings.length != 2) throw new WidgetDataException;
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49 return mgr.makeWidget (parent, data.strings[1], Items.get (data.strings[0]));
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50 }
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52 /*************************************************************************************************
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53 * A function which returns the most appropriate content editing widget.
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54 *
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55 * Widgets which can be returned: BoolContentWidget (toggle button), ValueContentWidget (generic
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56 * text-box editor), DisplayContentWidget (generic text label).
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57 *************************************************************************************************/
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58 IChildWidget editContent (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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59 // Note: SAFE_RECURSION enabled
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60 if (c is null) throw new ContentException;
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61 if (cast(AStringContent) c) {
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62 if (cast(EnumContent) c) // can be PopupMenuWidget or ContentListWidget
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63 return new ContentListWidget(mgr,parent,id,data,c);
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64 if (cast(BoolContent) c)
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65 return new BoolContentWidget(mgr,parent,id,data,c);
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66 return new AStringContentWidget(mgr,parent,id,data,c);
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67 }
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68 if (cast(IContentList) c)
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69 return new ContentListWidget(mgr,parent,id,data,c);
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70 if (cast(EventContent) c)
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71 return new ButtonContentWidget(mgr,parent,id,data,c);
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72 // generic uneditable option
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73 return new DisplayContentWidget(mgr,parent,id,data,c);
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74 }
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75
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76 /// Editable boolean widget
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77 class BoolContentWidget : AButtonWidget
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78 {
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79 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData, IContent c) {
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80 content = cast(BoolContent) c;
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81 if (content is null) throw new ContentException (this);
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82 super (mgr, parent, id);
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83 wdimPair s = mgr.renderer.getToggleSize;
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84 w = mw = s.x;
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85 h = mh = s.y;
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86 }
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87
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88 override void draw () {
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89 mgr.renderer.drawToggle (x,y, content(), pushed);
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90 }
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91
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92 override void activated () {
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93 content = !content();
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94 }
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96 protected:
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97 BoolContent content;
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98 }
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99
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100 /// A button connected to an EventContent
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101 class ButtonContentWidget : AButtonWidget
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102 {
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103 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData, IContent c) {
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104 content = cast(EventContent) c;
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105 if (content is null) throw new ContentException (this);
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106 adapter = mgr.renderer.getAdapter ();
5b37d0400732 Widgets now receive and store their parent (IParentWidget). Infinite widget recursion checks. WidgetManager code redistributed.
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107 super (mgr, parent, id);
111
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parents: 105
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108 }
1655693702fc Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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109
114
b16a534f5302 Changes for tango r4201. Added override keyword in a lot of places.
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110 override bool setup (uint n, uint flags) {
111
1655693702fc Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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111 if (!(flags & 3)) return false; // string or renderer (and possibly font) changed
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112 adapter.text = content.toString(1);
105
08651e8a8c51 Quit button, big changes to content system.
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113 adapter.getDimensions (mw, mh);
111
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114 if (mw != w || mh != h) {
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115 w = mw;
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116 h = mh;
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117 }
1655693702fc Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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118 return true;
105
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119 }
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120
114
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121 override void draw () {
105
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122 super.draw();
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123 adapter.draw (x,y);
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124 }
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125
114
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126 override void activated () {
105
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127 content.endEvent;
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128 }
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129
114
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130 protected:
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131 IRenderer.TextAdapter adapter;
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132 EventContent content;
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133 int index;
105
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134 }
125
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135
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136 /** A "tab" widget: it doesn't display the tabs, but shows one of a number of widgets dependant on
3e648bc53bde Added a simple switch/tab widget (depends on existing EnumContent).
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137 * an EnumContent. */
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138 class SwitchWidget : AParentWidget
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139 {
3e648bc53bde Added a simple switch/tab widget (depends on existing EnumContent).
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140 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent c) {
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141 super (mgr, parent, id);
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142 content = cast(EnumContent) c;
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143 if (content is null || (subWidgets.length = content.list.length) == 0)
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144 throw new ContentException (this);
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145 WDCheck (data, 1, subWidgets.length);
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146
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147 foreach (i,sc; content.list)
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148 subWidgets[i] = mgr.makeWidget (this, data.strings[i], sc);
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149 currentW = subWidgets[content()];
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150
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151 content.addCallback (&switchWidget);
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152 }
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153
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154 override bool setup (uint n, uint flags) {
3e648bc53bde Added a simple switch/tab widget (depends on existing EnumContent).
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155 bool r = super.setup (n, flags);
3e648bc53bde Added a simple switch/tab widget (depends on existing EnumContent).
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156 if (r) {
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157 mw = currentW.minWidth;
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158 mh = currentW.minHeight;
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159 w = currentW.width;
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160 h = currentW.height;
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161 }
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162 return r;
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163 }
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164
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165 override void minSizeChange (IChildWidget widget, wdim nmw, wdim nmh) {
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166 mw = nmw;
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167 mh = nmh;
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168 parent.minSizeChange (this, nmw, nmh);
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169 }
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170
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171 override bool isWSizable () {
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172 return currentW.isWSizable;
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173 }
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174 override bool isHSizable () {
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175 return currentW.isHSizable;
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176 }
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177
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178 override void setWidth (wdim nw, int dir) {
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179 w = (nw >= mw ? nw : mw);
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diff changeset
180 currentW.setWidth (w, dir);
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diff changeset
181 }
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diff changeset
182 override void setHeight (wdim nh, int dir) {
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183 h = (nh >= mh ? nh : mh);
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diff changeset
184 currentW.setHeight (h, dir);
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185 }
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186
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187 override void setPosition (wdim nx, wdim ny) {
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188 x = nx;
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189 y = ny;
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190 currentW.setPosition (nx,ny);
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191 }
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192
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193 override void draw () {
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194 currentW.draw;
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195 }
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196
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197 protected:
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198 // callback on content
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199 void switchWidget (Content) {
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diff changeset
200 currentW = subWidgets[content()];
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diff changeset
201 mw = currentW.minWidth;
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202 mh = currentW.minHeight;
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diff changeset
203 parent.minSizeChange (this, mw, mh);
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diff changeset
204 w = currentW.width;
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205 h = currentW.height;
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diff changeset
206 currentW.setPosition (x,y);
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diff changeset
207 }
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208
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diff changeset
209 IChildWidget currentW;
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diff changeset
210 EnumContent content;
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211 }