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annotate mde/gui/widget/miscContent.d @ 121:5b37d0400732

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Widgets now receive and store their parent (IParentWidget). Infinite widget recursion checks. WidgetManager code redistributed. WidgetManager code redistributed between classes; WMScreen class moved to WMScreen.d. addContent function now calls makeWidget with another id.
author Diggory Hardy <diggory.hardy@gmail.com>
date Fri, 02 Jan 2009 18:07:10 +0000
parents d28aea50c6da
children 3e648bc53bde
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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 function to return content widgets and some miscellaneous content 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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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 ();
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107 super (mgr, parent, id);
111
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108 }
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109
114
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110 override bool setup (uint n, uint flags) {
111
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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
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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 }
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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 }