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annotate mde/gui/widget/miscContent.d @ 103:42e241e7be3e

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ContentList content type; getting content items/lists from Options generically via content.Items, and a new addContent widget function. Several improvements to generic handling of content. New button-with-text widget. Some tidy-up. Some name changes, to increase uniformity. Bug-fix: floating widgets of fixed size could previously be made larger than intended from config dimdata.
author Diggory Hardy <diggory.hardy@gmail.com>
date Tue, 25 Nov 2008 18:01:44 +0000
parents 71f0f1f83620
children 08651e8a8c51
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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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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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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.textContent;
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24 import mde.gui.widget.layout;
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26 import mde.gui.renderer.IRenderer;
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27 import mde.gui.content.Content;
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28 import Items = mde.gui.content.Items;
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30 /*************************************************************************************************
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31 * A function which uses Items.get (data.strings[0]) to get a content and creates a widget from
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32 * data.ints[1]. The first item in each ints and strings is removed before passing data to the new
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33 * widget.
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34 *
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35 * The function only takes an IContent parameter to satisfy createWidget; it's value is ignored.
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36 *************************************************************************************************/
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37 IChildWidget addContent (IWidgetManager mgr, widgetID id, WidgetData data, IContent) {
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38 if (data.ints.length < 2 || data.strings.length < 1) throw new WidgetDataException;
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39 char[] cItem = data.strings[0];
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40 data.strings = data.strings[1..$];
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41 data.ints = data.ints [1..$];
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42 return mgr.makeWidget (id, data, Items.get (cItem));
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43 }
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45 /*************************************************************************************************
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46 * A function which returns the most appropriate content editing widget.
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47 *
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48 * Widgets which can be returned: BoolContentWidget (toggle button), ValueContentWidget (generic
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49 * text-box editor), DisplayContentWidget (generic text label).
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50 *************************************************************************************************/
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51 IChildWidget editContent (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
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52 if (c is null) throw new ContentException;
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53 if (cast(BoolContent) c)
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54 return new BoolContentWidget(mgr,id,data,c);
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55 else if (cast(ValueContent) c)
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56 return new ValueContentWidget(mgr,id,data,c);
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57 else if (cast(ContentList) c)
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58 return new ContentListWidget(mgr,id,data,c);
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59 else // generic uneditable option
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60 return new DisplayContentWidget(mgr,id,data,c);
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61 }
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62
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63 /// Editable boolean widget
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64 class BoolContentWidget : AButtonWidget
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65 {
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66 this (IWidgetManager mgr, widgetID id, WidgetData data, IContent c) {
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67 WDCheck(data, 1);
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68 content = cast(BoolContent) c;
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69 if (!content) throw new ContentException ();
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70 wdimPair s = mgr.renderer.getToggleSize;
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71 w = mw = s.x;
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72 h = mh = s.y;
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73 super (mgr, id, data);
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74 }
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75
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76 void draw () {
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77 mgr.renderer.drawToggle (x,y, content(), pushed);
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78 }
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79
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80 void activated () {
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81 content = !content();
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82 }
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83
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84 protected:
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85 BoolContent content;
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86 }
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87