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annotate mde/gui/widget/Floating.d @ 147:075705ad664a

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Added a border widget.
author Diggory Hardy <diggory.hardy@gmail.com>
date Wed, 11 Feb 2009 13:02:30 +0000
parents 66c58e5b0062
children a86f8445ccc8
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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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075705ad664a Added a border widget.
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16 /** The "window" class − a widget. */
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17 module mde.gui.widget.Floating;
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18
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9cff74f68b84 Major revisions to popup handling. Buttons can close menus now, plus some smaller impovements. Removed Widget module.
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19 import mde.gui.widget.AParentWidget;
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20 import mde.gui.exception;
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9f035cd139c6 BIG commit. Major change: old Options class is gone, all content values are loaded and saved automatically. All options updated to reflect this, some changed.
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21 import mde.content.IContent;
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23 import tango.util.log.Log : Log, Logger;
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25 private Logger logger;
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26 static this () {
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27 logger = Log.getLogger ("mde.gui.widget.Floating");
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28 }
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30 /** An area to contain floating widgets.
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31 *
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32 * The position of each sub-widget is set from dimension data, but not the size.
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33 * Rationale: parents' need to set subwidgets' positions when its position is set, so it needs to
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34 * know their positions.
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35 *
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36 * Data: Each string item is interpreted as a sub-widget widgetID to add as a floating window.
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37 * Ints consist of widget type followed by a border type (flags from IRenderer.Border.BTYPE) for
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38 * each sub-widget. */
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2a364c7d82c9 Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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39 class FloatingAreaWidget : AParentWidget
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40 {
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41 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent content) {
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42 if (data.ints.length != 1 + data.strings.length)
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43 throw new WidgetDataException (this);
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44 super (mgr, parent, id);
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46 subWidgets.length = data.strings.length; // widgets created from string data
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47 sWOrder.length = subWidgets.length;
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48 sWData.length = subWidgets.length;
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49 foreach (i,s; data.strings) {
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50 subWidgets[i] = mgr.makeWidget (this, s, content);
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51 sWOrder[i] = i;
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52 sWData[i].borderType = cast(BTYPE) data.ints[i+1];
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53 }
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55 wdim[] dd = mgr.dimData (id);
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56 if (dd.length == subWidgets.length * 4) {
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57 foreach (i, ref d; sWData)
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58 (&d.x)[0..4] = dd[i*4..i*4+4];
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59 }
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60 }
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62 override bool setup (uint n, uint flags) {
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63 debug (mdeWidgets) logger.trace ("FloatingAreaWidget.setup");
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64 foreach (i, ref d; sWData) with (d) {
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65 auto widg = subWidgets[i];
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66 if (!widg.setup (n, flags) && !(flags & 1))
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67 continue; // no changes; skip the rest
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69 d.border = mgr.renderer.getBorder (borderType, widg.isWSizable, widg.isHSizable);
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70 mw = widg.minWidth + border.x1 + border.x2;
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71 mh = widg.minHeight + border.y1 + border.y2;
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72 if (w < mw || !widg.isWSizable) w = mw;
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73 if (h < mh || !widg.isHSizable) h = mh;
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74 widg.setWidth (w - border.x1 - border.x2, -1);
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75 widg.setHeight (h - border.y1 - border.y2, -1);
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76 }
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77 return n == 0; // floating area size is not changed
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78 }
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80 override bool saveChanges () {
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81 wdim[] dd = new wdim[sWData.length*4];
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82 foreach (i, ref d; sWData) {
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83 subWidgets[i].saveChanges ();
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84 dd[4*i..4*i+4] = (&d.x)[0..4];
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85 }
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86
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87 mgr.dimData (id, dd); // save positions
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88 return true;
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89 }
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90
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91 override void setWidth (wdim nw, int) {
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92 w = nw;
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93 // check all floating widgets are visible
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94 foreach (i, ref d; sWData) with (d) {
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95 if (x + w > this.w)
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96 x = (w > this.w) ? 0 : this.w - w;
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97 }
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98 }
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99 override void setHeight (wdim nh, int) {
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100 h = nh;
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101 foreach (i, ref d; sWData) with (d) {
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102 if (y + h > this.h)
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103 y = (h > this.h) ? 0 : this.h - h;
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104 }
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105 }
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106
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107 override bool isWSizable () {
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108 return true;
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109 }
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110 override bool isHSizable () {
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111 return true;
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112 }
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114 override void setPosition (wdim nx, wdim ny) {
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115 x = nx;
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116 y = ny;
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diff changeset
117
96
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diff changeset
118 size_t n = subWidgets.length;
97
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diff changeset
119 foreach (i, ref d; sWData)
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diff changeset
120 subWidgets[i].setPosition (x + d.x + d.border.x1, y + d.y + d.border.y1);
80
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diff changeset
121 }
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122
126
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents: 123
diff changeset
123 override void minWChange (IChildWidget widg, wdim nmw) {
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diff changeset
124 with (sWData[getWidgetIndex(widg)]) {
123
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parents: 121
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125 mw = nmw + border.x1 + border.x2;
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parents: 121
diff changeset
126
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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parents: 121
diff changeset
127 if (mw > w || !widg.isWSizable) {
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parents: 121
diff changeset
128 w = mw;
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parents: 121
diff changeset
129 widg.setWidth (w - border.x1 - border.x2, -1);
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parents: 121
diff changeset
130 }
126
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents: 123
diff changeset
131
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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diff changeset
132 if (x + w > this.w)
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diff changeset
133 x = (w > this.w) ? 0 : this.w - w;
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parents: 123
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134
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diff changeset
135 widg.setPosition (this.x + border.x1 + x,this.y + border.y1 + y);
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parents: 123
diff changeset
136 mgr.requestRedraw;
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parents: 123
diff changeset
137 }
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parents: 123
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138 }
c9843fbaac88 Dynamic minimal size changing improved; works over layouts sharing alignment.
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diff changeset
139 override void minHChange (IChildWidget widg, wdim nmh) {
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parents: 123
diff changeset
140 with (sWData[getWidgetIndex(widg)]) {
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diff changeset
141 mh = nmh + border.y1 + border.y2;
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parents: 123
diff changeset
142
123
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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parents: 121
diff changeset
143 if (mh > h || !widg.isHSizable) {
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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parents: 121
diff changeset
144 h = mh;
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parents: 121
diff changeset
145 widg.setHeight (h - border.y1 - border.y2, -1);
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parents: 121
diff changeset
146 }
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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parents: 121
diff changeset
147
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
Diggory Hardy <diggory.hardy@gmail.com>
parents: 121
diff changeset
148 if (y + h > this.h)
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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parents: 121
diff changeset
149 y = (h > this.h) ? 0 : this.h - h;
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parents: 121
diff changeset
150
126
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parents: 123
diff changeset
151 widg.setPosition (this.x + border.x1 + x,this.y + border.y1 + y);
123
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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parents: 121
diff changeset
152 mgr.requestRedraw;
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parents: 121
diff changeset
153 }
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
Diggory Hardy <diggory.hardy@gmail.com>
parents: 121
diff changeset
154 }
d3b2cefd46c9 minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
Diggory Hardy <diggory.hardy@gmail.com>
parents: 121
diff changeset
155
114
b16a534f5302 Changes for tango r4201. Added override keyword in a lot of places.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 111
diff changeset
156 override void draw () {
80
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diff changeset
157 super.draw;
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diff changeset
158
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diff changeset
159 mgr.renderer.restrict (x,y, w,h);
96
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
160 foreach (i; sWOrder)
97
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Diggory Hardy <diggory.hardy@gmail.com>
parents: 96
diff changeset
161 with (sWData[i]) {
147
075705ad664a Added a border widget.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 144
diff changeset
162 mgr.renderer.drawBorder (&border, this.x + x, this.y + y, w, h);
97
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parents: 96
diff changeset
163 subWidgets[i].draw;
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parents: 96
diff changeset
164 }
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parents: 96
diff changeset
165 mgr.renderer.relax;
96
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parents: 95
diff changeset
166 }
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
167
114
b16a534f5302 Changes for tango r4201. Added override keyword in a lot of places.
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parents: 111
diff changeset
168 override IChildWidget getWidget (wdim cx, wdim cy) {
97
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parents: 96
diff changeset
169 debug scope (failure)
139
29a524e7c858 Fixed a resizing issue and added a popup menu for all content.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 137
diff changeset
170 logger.warn ("getWidget: failure; values: click; pos; width: {},{}; {},{}; {},{}", cx, cy, x, y, w, h);
96
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
171 debug assert (cx >= x && cx < x + w && cy >= y && cy < y + h, "getWidget: not on widget (code error)");
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parents: 95
diff changeset
172
97
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parents: 96
diff changeset
173 foreach_reverse (j,i; sWOrder) with (sWData[i]) {
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parents: 96
diff changeset
174 wdim lx = cx - (this.x + x);
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parents: 96
diff changeset
175 wdim ly = cy - (this.y + y);
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parents: 96
diff changeset
176 if (lx >= 0 && lx < w &&
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parents: 96
diff changeset
177 ly >= 0 && ly < h)
96
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
178 {
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
179 sWOrder[j..$-1] = sWOrder[j+1..$].dup;
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parents: 95
diff changeset
180 sWOrder[$-1] = i;
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parents: 95
diff changeset
181 mgr.requestRedraw;
97
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parents: 96
diff changeset
182 if (lx >= border.x1 && lx < w-border.x2 &&
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
183 ly >= border.y1 && ly < h-border.y2)
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parents: 96
diff changeset
184 return subWidgets[i].getWidget (cx,cy);
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parents: 96
diff changeset
185 event = i;
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parents: 96
diff changeset
186 return this;
96
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
187 }
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
188 }
97
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
189 event = size_t.max;
96
dbf332403c6e Improvements to FloatingAreaWidget: positioning, passing click events and draw order.
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parents: 95
diff changeset
190 return this; // no match
80
ea58f277f487 Gui reorganization and changes; partial implementation of floating widgets.
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parents: 75
diff changeset
191 }
ea58f277f487 Gui reorganization and changes; partial implementation of floating widgets.
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parents: 75
diff changeset
192
114
b16a534f5302 Changes for tango r4201. Added override keyword in a lot of places.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 111
diff changeset
193 override int clickEvent (wdabs cx, wdabs cy, ubyte b, bool state) {
99
5de5810e3516 Implemented an editable TextContent widget; it's now possible to edit text options using the GUI.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 97
diff changeset
194 if (event > subWidgets.length) return 0;
35
928db3c75ed3 Windows can now be moved.
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parents: 34
diff changeset
195 if (b == 1 && state == true) {
97
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parents: 96
diff changeset
196 active = event;
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
197 with (sWData[active]) {
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
198 resizeType = border.getResize (cx - this.x - x, cy - this.y - y, w,h);
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
199 alias border.RESIZE RESIZE;
39
5132301e9ed7 Implemented widget saving.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 38
diff changeset
200
97
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
201 if (resizeType != RESIZE.NONE) {
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
202 // Set x/yDrag (unfortunately these need to be different for each edge)
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parents: 96
diff changeset
203 if (resizeType & RESIZE.X1)
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parents: 96
diff changeset
204 xDrag = w + cx;
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Diggory Hardy <diggory.hardy@gmail.com>
parents: 96
diff changeset
205 else if (resizeType & RESIZE.X2)
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parents: 96
diff changeset
206 xDrag = w - cx;
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parents: 96
diff changeset
207
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parents: 96
diff changeset
208 if (resizeType & RESIZE.Y1)
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
209 yDrag = h + cy;
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parents: 96
diff changeset
210 else if (resizeType & RESIZE.Y2)
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parents: 96
diff changeset
211 yDrag = h - cy;
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parents: 96
diff changeset
212
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parents: 96
diff changeset
213 mgr.addClickCallback (&endCallback);
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
214 mgr.addMotionCallback (&resizeCallback);
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parents: 96
diff changeset
215 } else if (borderType & BTYPE.MOVE) { // window is being moved
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parents: 96
diff changeset
216 xDrag = cx - x;
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parents: 96
diff changeset
217 yDrag = cy - y;
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parents: 96
diff changeset
218
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parents: 96
diff changeset
219 mgr.addClickCallback (&endCallback);
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
220 mgr.addMotionCallback (&moveCallback);
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parents: 96
diff changeset
221 }
38
8c4c96f04e7f Windows can now be resized!
Diggory Hardy <diggory.hardy@gmail.com>
parents: 37
diff changeset
222 }
35
928db3c75ed3 Windows can now be moved.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 34
diff changeset
223 }
99
5de5810e3516 Implemented an editable TextContent widget; it's now possible to edit text options using the GUI.
Diggory Hardy <diggory.hardy@gmail.com>
parents: 97
diff changeset
224 return 0;
34
6b4116e6355c Work on the Gui: some of the framework for drag & drop. Also made Window an IWidget.
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parents: 32
diff changeset
225 }
6b4116e6355c Work on the Gui: some of the framework for drag & drop. Also made Window an IWidget.
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parents: 32
diff changeset
226
97
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parents: 96
diff changeset
227 protected:
58
d43523ed4b62 Included a wdim typedef for all variables to do with window position or size instead of just using int.
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parents: 46
diff changeset
228 void moveCallback (wdabs cx, wdabs cy) {
97
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parents: 96
diff changeset
229 with (sWData[active]) {
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parents: 96
diff changeset
230 x = cx-xDrag;
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parents: 96
diff changeset
231 y = cy-yDrag;
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parents: 96
diff changeset
232
30470bc19ca4 Floating widgets now work nicely: customizable borders added, resizing, moving.
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parents: 96
diff changeset
233 if (x < 0)
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parents: 96
diff changeset
234 x = 0;
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parents: 96
diff changeset
235 else if (x + w > this.w)
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parents: 96
diff changeset
236 x = (w > this.w) ? 0 : this.w - w;
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parents: 96
diff changeset
237 if (y < 0)
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238 y = 0;
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239 else if (y + h > this.h)
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240 y = (h > this.h) ? 0 : this.h - h;
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241
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242 subWidgets[active].setPosition (this.x + x + border.x1, this.y + y + border.y1);
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243 }
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244 mgr.requestRedraw;
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245 }
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246 void resizeCallback (wdabs cx, wdabs cy) {
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247 with (sWData[active]) {
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248 if (resizeType & RESIZE.X1) {
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249 wdim ow = w;
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250 w = xDrag - cx; // new width
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251 if (w < mw) w = mw; // limit to min width
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252 x += ow - w; // move by difference
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253 if (x < 0) { // limit to left edge of area
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254 w += x;
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255 x = 0;
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256 }
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257 subWidgets[active].setWidth (w - border.x1 - border.x2, 1);
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258 }
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259 else if (resizeType & RESIZE.X2) {
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260 w = xDrag + cx; // new width
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261 if (w < mw) w = mw; // limit to min width
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262 if (x + w > this.w) // limit to right edge of area
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263 w = this.w - x;
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264 subWidgets[active].setWidth (w - border.x1 - border.x2, -1);
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265 }
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266 if (resizeType & RESIZE.Y1) {
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267 wdim oh = h;
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268 h = yDrag - cy;
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269 if (h < mh) h = mh;
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270 y += oh - h;
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271 if (y < 0) {
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272 h += y;
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273 y = 0;
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274 }
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275 subWidgets[active].setHeight (h - border.y1 - border.y2, 1);
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276 }
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277 else if (resizeType & RESIZE.Y2) {
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278 h = yDrag + cy;
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279 if (h < mh) h = mh;
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280 if (y + h > this.h)
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281 h = this.h - y;
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282 subWidgets[active].setHeight (h - border.y1 - border.y2, -1);
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283 }
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284 // Reposition widget and sub-widgets:
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285 subWidgets[active].setPosition (this.x + x + border.x1, this.y + y + border.y1);
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286 }
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287 mgr.requestRedraw;
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288 }
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289 bool endCallback (wdabs, wdabs, ubyte b, bool state) {
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290 if (b == 1 && state == false) { // end of a move/resize
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291 mgr.removeCallbacks (cast(void*) this);
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292 return true; // we've handled the up-click
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293 }
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294 return false; // we haven't handled it
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295 }
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5132301e9ed7 Implemented widget saving.
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296
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297 struct SWData { // NOTE: x,y,w,h must be first elements; search (&d.x)
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298 wdim x,y; // position (corner of border)
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299 wdim w,h; // size (including border)
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300 wdim mw,mh;
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301 BTYPE borderType; // what type of border to put around the widget
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302 IRenderer.Border border;
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303 }
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304 static assert (SWData.alignof == 4); // assumptions for optimization; search (&d.x)
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305 SWData[] sWData;
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306 size_t[] sWOrder; // indexes for draw order (top widget at end of list)
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307
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308 // Click/drag information:
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309 alias IRenderer.Border.BTYPE BTYPE;
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310 alias IRenderer.Border.RESIZE RESIZE;
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311 size_t event = size_t.max; // Border with last click/release: size_t.max: main area (no subwidget), i: subwidget[i]
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312 size_t active = size_t.max; // Like event, but refers to widget being moved/resized
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313 wdim xDrag, yDrag; // where a drag starts relative to x and y
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314 RESIZE resizeType; // Type of current resize
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315 }