Mercurial > projects > mde
annotate mde/gui/widget/layout.d @ 137:9f035cd139c6
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.
Content restrutured a lot:
New IContent module, Content module includes more functionality.
New ContentLoader module to manage content loading/saving/translation.
Translation module moved to content dir and cut down to reflect current usage.
File format unchanged except renames: FontOptions -> Font, VideoOptions -> Screen.
Font render mode and LCD filter options are now enums.
GUI loading needs to create content (and set type for enums), but doesn't save/load value.
Some setup of mainSchedule moved to mde.mainLoop.
Content callbacks are called on content change now.
ContentLists are set up implicitly from content symbols. Not as fast but much easier!
Bug-fix in the new MTTagReader.
Renamed MT *Reader maker functions to avoid confusion in paths.d.
New mde.setup.logger module to allow logger setup before any other module's static this().
author | Diggory Hardy <diggory.hardy@gmail.com> |
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date | Sat, 07 Feb 2009 12:46:03 +0000 |
parents | 4084f07f2c7a |
children | 3468e9bfded1 |
rev | line source |
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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 /// Gui layout widgets. |
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17 module mde.gui.widget.layout; |
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18 |
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19 import mde.gui.widget.AParentWidget; |
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20 import mde.gui.exception; |
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21 |
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22 import mde.content.Content; |
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23 |
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24 import tango.util.container.HashMap; |
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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.layout"); |
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31 } |
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32 } |
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33 |
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34 /************************************************************************************************* |
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35 * Encapsulates a grid of Widgets. |
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36 * |
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37 * Currently there is no support for changing number of cells, sub-widgets or sub-widget properties |
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38 * (namely isW/HSizable) after this() has run. |
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39 *************************************************************************************************/ |
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40 class GridLayoutWidget : GridWidget |
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41 { |
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42 /** Constructor for a grid layout widget. |
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43 * |
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44 * Widget uses the initialisation data: |
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45 * --- |
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46 * ints = [widget_type, align_flags, rows, cols] |
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47 * strings = [w11, w12, ..., w1C, ..., wR1, ..., wRC] |
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48 * // dimData may be: |
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49 * dimData = [col1width, ..., colCwidth, row1height, ..., rowRheight] |
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50 * --- |
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51 * where R and C are the number of rows and columns, and wij is the ID (from parent Window's |
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52 * list) for the widget in row i and column j. The number of parameters must be r*c + 3. |
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53 * |
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54 * The content parameter is passed on to all children accepting an IContent. */ |
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55 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent content) { |
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56 // Get grid size and check data |
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57 // Check sufficient data for type, align-flags, rows, cols, and possibly row/col widths. |
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58 if (data.ints.length != 4) throw new WidgetDataException (this); |
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59 |
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60 rows = data.ints[2]; |
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61 cols = data.ints[3]; |
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62 // Check: at least one sub-widget and strings's length is correct: |
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63 if (rows < 1 || cols < 1 || data.strings.length != rows * cols) |
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64 throw new WidgetDataException (this); |
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65 super (mgr, parent, id, data); |
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66 |
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67 // Get all sub-widgets |
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68 subWidgets.length = rows*cols; |
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69 foreach (i, ref subWidget; subWidgets) { |
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70 subWidget = mgr.makeWidget (this, data.strings[i], content); |
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71 } |
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72 |
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73 initWidths = mgr.dimData (id); // may be null, tested later |
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74 } |
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75 |
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76 // Save column/row sizes. Currently always do so. |
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77 override bool saveChanges () { |
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78 foreach (widget; subWidgets) // recurse on subwidgets |
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79 widget.saveChanges (); |
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80 |
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81 mgr.dimData (id, col.width ~ row.width); |
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82 return true; |
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83 } |
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84 protected: |
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85 } |
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86 |
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87 |
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88 /************************************************************************************************* |
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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.
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89 * Iterates on an ContentList to produce a list of widgets, each of which is created with widgetID |
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90 * data.strings[0]. If an IContent is passed, this is cast to a ContentList, otherwise |
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91 * content.Items is used to get an IContent. It is an error if the content fails to cast to |
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92 * ContentList. |
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93 *************************************************************************************************/ |
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94 class ContentListWidget : GridWidget |
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95 { |
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96 this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data, IContent content) { |
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97 cList = cast(IContentList) content; |
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98 WDCCheck (data, 2, 1, cList); |
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99 cols = 1; |
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100 rows = cList.list.length; |
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101 subWidgets.length = rows; |
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102 if (data.ints[1] & 8) { // orient horizontally |
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103 cols = rows; |
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104 rows = 1; |
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105 } |
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106 super (mgr, parent, id, data); |
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107 |
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108 if (subWidgets) { // i.e. rows*cols > 0 |
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109 foreach (i, c; cList.list) { |
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110 subWidgets[i] = mgr.makeWidget (this, data.strings[0], c); |
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111 } |
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112 } else { |
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113 rows = cols = 1; |
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114 subWidgets = [mgr.makeWidget (this, data.strings[0], |
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115 new ErrorContent ("<empty list>",null)) ]; |
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116 } |
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117 } |
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118 |
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119 override void recursionCheck (widgetID wID, IContent c) { |
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120 if (wID is id && c is cList) |
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121 throw new WidgetRecursionException (wID); |
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122 parent.recursionCheck (wID, c); |
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123 } |
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124 |
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125 override bool saveChanges () { |
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126 // Since all sub-widgets have the same id, it only makes sense to call on one |
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127 if (subWidgets is null) |
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128 return false; |
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129 return subWidgets[0].saveChanges; |
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130 } |
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131 |
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132 private: |
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133 IContentList cList; |
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134 } |
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135 |
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136 |
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137 /************************************************************************************************* |
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138 * Backend for grid-based (includes column/row) layout widgets. |
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139 * |
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140 * A deriving class must at least do some work in it's constructor (see Ddoc for this() below) |
131
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141 * and provide an implementation of saveChanges() (unless Widget's version is sufficient). |
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142 * |
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143 * Since a grid with either dimension zero is not useful, there must be at least one sub-widget. |
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144 * |
131
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145 * The grid has no border but optionally has spacing between widgets. |
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146 * |
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147 * Several flags are tested against ints[1]: |
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148 * $(TABLE |
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149 * $(TR $(TD 1) $(TD Column alignment is shared against other instances of thes widget id)) |
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150 * $(TR $(TD 2) $(TD Row alignment is shared against other instances of thes widget id)) |
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151 * $(TR $(TD 4) $(TD Spacing is inserted between elements; the renderer may draw this)) |
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152 * $(TR $(TD 8) $(TD For ContentListWidget only, list is horizontal instead of vertical)) |
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153 * ) |
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154 *************************************************************************************************/ |
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155 // Note: mw, mh inherited from AWidget are not used; use col.mw, row.mw instead. |
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156 abstract class GridWidget : AParentWidget |
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157 { |
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158 //BEGIN Creation & saving |
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159 /** Partial constructor for a grid layout widget. |
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160 * |
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161 * Deriving classes should check data lengths, and set rows and cols |
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162 * before calling this super constructor. |
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163 * |
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164 * Derived constructors may also set initWidths to the array of column widths followed by |
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165 * row heights used to initially set the row/column dimensions. */ |
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166 protected this (IWidgetManager mgr, IParentWidget parent, widgetID id, WidgetData data) { |
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167 super (mgr, parent, id); |
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168 |
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169 // Create cell aligners with appropriate col/row adjustment function |
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170 if (data.ints[1] & 1) |
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171 col = AlignColumns.getInstance (id, cols); |
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172 else |
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173 col = (new AlignColumns (cols)); |
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174 if (data.ints[1] & 2) |
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175 row = AlignColumns.getInstance (id~"R", rows); // id must be unique to that for cols! |
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176 else |
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177 row = (new AlignColumns (rows)); |
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178 |
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179 AlignColumns.CallbackStruct cbS; |
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180 cbS.setWidth = &setColWidth; |
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181 cbS.sADD = &setupAlignDimData; |
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182 cbS.newMW = &colNewMW; |
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183 col.cbs ~= cbS; |
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184 cbS.setWidth = &setRowHeight; |
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185 cbS.newMW = &rowNewMW; |
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186 row.cbs ~= cbS; |
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187 |
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188 useSpacing = (data.ints[1] & 4) != 0; |
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189 } |
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190 |
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191 /** Responsible for calculating the minimal size and initializing some stuff. |
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192 * |
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193 * As such, this must be the first function called after this(). */ |
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194 override bool setup (uint n, uint flags) { |
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195 debug (mdeWidgets) logger.trace ("GridWidget.setup"); |
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196 // Run all internal calculations regardless of changes, then check dimensions for changes. |
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197 // Don't try shortcutting internal calculations when there are no changes - I've tried, and |
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198 // doing so adds enough overhead to make doing so almost(?) worthless (or at least large |
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199 // increases in complexity). |
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200 wdim ow = w, oh = h; |
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201 |
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202 col.setup (n, flags); |
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203 row.setup (n, flags); |
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204 |
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205 if (initWidths.length == cols + rows) { |
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206 col.setWidths (initWidths[0..cols]); |
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207 row.setWidths (initWidths[cols..$]); |
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208 } else { |
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209 col.setWidths; |
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210 row.setWidths; |
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211 } |
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212 initWidths = null; // free |
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213 |
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214 w = col.w; |
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215 h = row.w; |
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216 |
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217 // Tell subwidgets their new sizes. Positions are given by a later call to setPosition. |
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218 foreach (i,widget; subWidgets) { |
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219 // Resizing direction is arbitrarily set to negative: |
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220 widget.setWidth (col.width[i % cols], -1); |
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221 widget.setHeight (row.width[i / cols], -1); |
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222 } |
121
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223 return (ow != w || oh != h); |
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224 } |
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225 //END Creation & saving |
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226 |
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227 //BEGIN Size & position |
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228 override bool isWSizable () { |
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229 return col.firstSizable >= 0; |
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230 } |
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231 override bool isHSizable () { |
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232 return row.firstSizable >= 0; |
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233 } |
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234 |
123
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235 // mw, mh not used |
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236 override wdim minWidth () { |
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237 return col.mw; |
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238 } |
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239 override wdim minHeight () { |
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240 return row.mw; |
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241 } |
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242 |
114
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243 override void setWidth (wdim nw, int dir) { |
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244 w = col.resizeWidth (nw, dir); |
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245 // Note: setPosition must be called after! |
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246 } |
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247 override void setHeight (wdim nh, int dir) { |
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248 h = row.resizeWidth (nh, dir); |
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249 // Note: setPosition must be called after! |
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250 } |
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251 |
114
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252 override void setPosition (wdim x, wdim y) { |
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253 this.x = x; |
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254 this.y = y; |
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255 |
91
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256 debug assert (col.pos && row.pos, "setPosition: col/row.pos not set (code error)"); |
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257 foreach (i,widget; subWidgets) |
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258 widget.setPosition (x + col.pos[i % cols], y + row.pos[i / cols]); |
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259 } |
123
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260 |
126
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261 // Unlike for most widgets, these actually resize self and sub-widgets, since the parent |
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262 // simply calling setWidth/setHeight wouldn't work. |
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263 override void minWChange (IChildWidget widg, wdim nmw) { |
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264 size_t i = getWidgetIndex(widg); |
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265 col.newMinWidth (i%cols, i/cols + colR, nmw); |
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266 // callbacks to all sharing layouts do the rest |
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267 } |
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268 override void minHChange (IChildWidget widg, wdim nmh) { |
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269 size_t i = getWidgetIndex(widg); |
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270 row.newMinWidth (i/cols, i%cols + rowR, nmh); |
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271 } |
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272 //END Size & position |
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273 |
37
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274 |
34
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275 // Find the relevant widget. |
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276 override IChildWidget getWidget (wdim cx, wdim cy) { |
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277 debug scope (failure) |
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278 logger.warn ("getWidget: failure; values: click; pos; width: {},{}; {},{}; {},{}", cx, cy, x, y, w, h); |
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279 debug assert (cx >= x && cx < x + w && cy >= y && cy < y + h, "getWidget: not on widget (code error)"); |
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280 |
45
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281 // Find row/column: |
124
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282 ptrdiff_t i = col.getCell (cx - x); |
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283 ptrdiff_t j = row.getCell (cy - y); |
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284 if (i < 0 || j < 0) // on a space between widgets |
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285 return this; |
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286 |
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287 // On a subwidget; recurse call: |
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288 return subWidgets[i + j*cols].getWidget (cx, cy); |
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289 } |
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290 |
42
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291 // Resizing columns & rows |
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292 override int clickEvent (wdabs cx, wdabs cy, ubyte b, bool state) { |
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293 debug scope (failure) |
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294 logger.warn ("clickEvent: failure"); |
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295 if (b == 1 && state == true) { |
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296 /* Note: Because of getWidget, this function is only called if the click is not on a |
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297 * sub-widget, so we know it's on some divisor (so at least one of resizeCol and |
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298 * resizeRow is non-negative). */ |
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299 |
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300 // find col/row's resizeD & resizeU |
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301 if (col.findResizeCols (cx - x) && row.findResizeCols (cy - y)) |
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302 return 0; // unable to resize |
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303 |
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304 dragX = cx; |
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305 dragY = cy; |
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306 |
77
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307 mgr.addClickCallback (&endCallback); |
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308 mgr.addMotionCallback (&resizeCallback); |
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309 } |
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310 return 0; |
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311 } |
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312 |
114
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313 override void draw () { |
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314 super.draw (); |
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315 |
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316 foreach (widget; subWidgets) |
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317 widget.draw (); |
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318 |
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319 if (useSpacing) |
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320 mgr.renderer.drawSpacers (x,y, w,h, col.pos[1..$], row.pos[1..$]); |
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321 } |
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322 |
95
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323 package: |
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324 /* Calculations which need to be run whenever a new sub-widget structure is set |
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325 * or other changes affecting widget sizes. Most of these need to happen regardless of whether |
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326 * changes have occurred, since AlignColumns have been reset. |
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327 * |
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328 * rows, cols and subWidgets must be set before calling. Part of the set-up for AlignColumns |
92
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329 * (col and row). subWidgets need to know their minimal size and resizability. */ |
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330 override void setupAlignDimData (uint n, uint flags) { |
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331 if (sADD_n == n) return; // cached data is current |
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332 sADD_n = n; |
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333 |
121
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334 debug (mdeWidgets) logger.trace ("GridWidget: setup on subWidgets..."); |
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Popup menu; works for simple menus except that clicking an item doesn't close it.
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335 foreach (widg; subWidgets) { // make sure all subwidgets have been set up |
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336 debug assert (widg, "null widg"); |
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337 widg.setup (n,flags); |
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338 } |
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339 debug (mdeWidgets) logger.trace ("GridWidget: setup on subWidgets...done"); |
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340 // make sure both AlignColumns are set up (since first call to setup(n) calls reset): |
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341 col.setup (n, flags); |
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342 row.setup (n, flags); |
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343 |
111
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344 // Note: shared AlignColumns get this set by all sharing GridWidgets |
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345 col.spacing = row.spacing = useSpacing ? mgr.renderer.layoutSpacing : 0; |
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Several changes to resising windows and layout widgets. This commit still has some bugs.
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346 |
40
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347 // Calculate the minimal column and row sizes: |
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348 if (colR == size_t.max) |
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349 colR = col.addRows (rows); |
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350 if (rowR == size_t.max) |
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351 rowR = row.addRows (cols); |
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352 // AlignColumns (row, col) takes care of initializing minWidth. |
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353 for (size_t r = 0; r < rows; ++r) { |
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354 for (size_t c = 0; c < cols; ++c) { |
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355 size_t i = r*cols + c; |
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356 col.minCellWidths[i+colR*cols] = subWidgets[i].minWidth; |
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357 row.minCellWidths[(c+rowR)*rows+r] = subWidgets[i].minHeight; |
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358 } |
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359 } |
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360 |
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361 // Find which cols/rows are resizable: |
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362 // AlignColumns initializes sizable, and sets first and last sizables. |
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363 static if (!(SIZABILITY & SIZABILITY_ENUM.SUBWIDGETS)) return; |
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364 forCols: |
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365 for (size_t i = 0; i < cols; ++i) { // for each column |
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366 for (size_t j = 0; j < subWidgets.length; j += cols) { // for each row |
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367 static if (SIZABILITY == SIZABILITY_ENUM.ALL_SUBWIDGETS) { |
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368 if (!subWidgets[i+j].isWSizable) { // column not resizable |
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369 col.sizable[i] = false; |
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370 continue forCols; // no point checking more |
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371 } |
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372 } else { |
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373 if (subWidgets[i+j].isWSizable) { // column is resizable |
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374 col.sizable[i] = true; |
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375 continue forCols; |
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376 } |
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377 } |
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378 } |
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379 } |
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380 |
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381 forRows: |
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382 for (size_t i = 0; i < subWidgets.length; i += cols) { // for each row |
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383 for (size_t j = 0; j < cols; ++j) { // for each column |
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384 static if (SIZABILITY == SIZABILITY_ENUM.ALL_SUBWIDGETS) { |
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385 if (!subWidgets[i+j].isHSizable) { |
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386 row.sizable[i / cols] = false; |
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387 continue forRows; |
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388 } |
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389 } else { |
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390 if (subWidgets[i+j].isHSizable) { |
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391 row.sizable[i / cols] = true; |
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392 continue forRows; |
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393 } |
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394 } |
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395 } |
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396 } |
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397 } |
39
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398 |
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399 private: |
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400 override void setColWidth (size_t i, wdim w, int dir) { |
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401 for (size_t j = 0; j < rows; ++j) { |
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402 subWidgets[i + cols*j].setWidth (w, dir); |
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403 } |
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404 } |
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405 override void setRowHeight (size_t j, wdim h, int dir) { |
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406 for (size_t i = 0; i < cols; ++i) { |
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407 subWidgets[i + cols*j].setHeight (h, dir); |
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408 } |
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409 } |
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410 |
126
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411 void colNewMW (bool mwChange) { |
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412 if (mwChange) { |
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413 w = col.w; |
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414 parent.minWChange (this, col.mw); |
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415 } else { // don't propegate call to parent |
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416 setPosition (x,y); |
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417 mgr.requestRedraw; |
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418 } |
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419 } |
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420 void rowNewMW (bool mwChange) { |
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421 if (mwChange) { |
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422 h = row.w; |
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423 parent.minHChange (this, row.mw); |
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424 } else { // don't propegate call to parent |
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425 setPosition (x,y); |
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426 mgr.requestRedraw; |
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427 } |
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428 } |
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429 |
46
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430 |
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431 //BEGIN Col/row resizing callback |
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432 override void resizeCallback (wdim cx, wdim cy) { |
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433 col.resizeCols (cx - dragX); |
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434 row.resizeCols (cy - dragY); |
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435 |
45
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436 // NOTE: all adjustments are relative; might be better if they were absolute? |
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437 dragX = cx; |
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438 dragY = cy; |
43
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439 |
46
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440 foreach (i,widget; subWidgets) |
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441 widget.setPosition (x + col.pos[i % cols], |
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442 y + row.pos[i / cols]); |
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443 mgr.requestRedraw; |
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444 } |
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445 override bool endCallback (wdabs cx, wdabs cy, ubyte b, bool state) { |
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446 if (b == 1 && state == false) { |
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447 mgr.removeCallbacks (cast(void*) this); |
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448 return true; // we've handled the up-click |
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449 } |
45
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450 return false; // we haven't handled it |
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451 } |
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452 |
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453 protected: |
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454 // Data for resizing cols/rows: |
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455 wdim dragX, dragY; // coords where drag starts |
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456 //END Col/row resizing callback |
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457 |
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458 size_t cols, rows; // number of cells in grid |
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459 wdim[] initWidths; // see this / setInitialSize |
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460 uint sADD_n = uint.max; // param n of last setup call after setupAlignDimData has run |
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461 bool useSpacing; // add inter-row/col spacing? |
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462 |
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463 /* All widgets in the grid, by row. Order: [ 0 1 ] |
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464 * [ 2 3 ] */ |
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465 //IChildWidget[] subWidgets; (inherited from AParentWidget) |
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466 |
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467 AlignColumns col, row; // aligners for cols and rows |
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468 // "rows" allocated in col and row; return value of *.addRows(): |
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469 size_t colR = size_t.max, rowR = size_t.max; |
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470 } |
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471 |
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472 |
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473 /************************************************************************************************** |
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474 * Alignment device |
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475 * |
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476 * E.g. can control widths of columns within a grid, and provide sensible resizing, respecting the |
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477 * minimal width required by each cell in a column. Is not restricted to horizontal widths, but to |
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478 * ease descriptions, a horizontal context (column widths) is assumed. |
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479 * |
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480 * Cells should be of type IChildWidget. |
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481 * |
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482 * Cells are not directly interacted with, but minimal widths for each column are passed, and |
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483 * callback functions are used to adjust the width of any column. |
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484 *************************************************************************************************/ |
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485 package class AlignColumns |
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486 { |
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487 /** Instance returned will be shared with any other widgets of same widgetID. |
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488 * |
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489 * Also ensures each widget sharing an instance expects the same number of columns. */ |
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490 static AlignColumns getInstance (widgetID id, size_t columns) { |
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491 AlignColumns* p = id in instances; |
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492 if (p) { |
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493 if (p.cols != columns) |
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494 throw new GuiException ("AlignColumns: no. of columns varies between sharing widgets (code error)"); |
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495 //logger.trace ("Shared alignment for: "~id); |
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496 return *p; |
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497 } else { |
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498 auto a = new AlignColumns (columns); |
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499 instances[id] = a; |
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500 return a; |
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501 } |
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502 } |
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503 |
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504 /** Create an instance. After creation, the number of columns can only be changed by calling |
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505 * reset. |
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506 * |
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507 * After creation, minimal widths should be set for all columns (minWidth) and |
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508 * setWidths must be called before other functions are used. */ |
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509 this (size_t columns) { |
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510 if (columns < 1) |
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511 throw new GuiException("AlignColumns: created with <1 column (code error)"); |
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512 minWidth.length = columns; |
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513 sizable.length = columns; |
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514 static if (SIZABILITY & SIZABILITY_ENUM.START_TRUE) |
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515 sizable[] = true; |
124
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|
516 cols = columns; |
111
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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diff
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|
517 } |
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Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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diff
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|
518 |
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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diff
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|
519 /** Like IChildWidget's setup; calls sADD delegates. */ |
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Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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diff
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|
520 void setup (uint n, uint flags) { |
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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parents:
109
diff
changeset
|
521 if (n != setup_n) { |
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Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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parents:
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diff
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|
522 setup_n = n; |
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Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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parents:
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diff
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|
523 setupWidths = false; |
124
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Dynamic minimal size changing is now fully supported.
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|
524 reset (cols); |
111
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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diff
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|
525 |
126
c9843fbaac88
Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents:
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diff
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|
526 foreach (cb; cbs) |
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Dynamic minimal size changing improved; works over layouts sharing alignment.
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parents:
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diff
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|
527 cb.sADD (n, flags); // set flag 1 |
111
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Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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parents:
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diff
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|
528 } |
91
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
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parents:
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diff
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|
529 } |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
530 |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
531 /** Reset all column information (only keep set callbacks). |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
532 * |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
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|
533 * Widths should be set after calling, as on creation. */ |
124
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Dynamic minimal size changing is now fully supported.
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parents:
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diff
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|
534 void reset (size_t columns) { |
130
c5c38eaadb64
Changed how sizability is set for parents: can require all sub-widgets resizable or only one to set parent resizable.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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|
535 assert (columns == cols, "no support for changing number of columns for now"); |
111
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Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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diff
changeset
|
536 minWidth[] = 0; |
130
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Changed how sizability is set for parents: can require all sub-widgets resizable or only one to set parent resizable.
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parents:
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|
537 static if (SIZABILITY & SIZABILITY_ENUM.START_TRUE) |
c5c38eaadb64
Changed how sizability is set for parents: can require all sub-widgets resizable or only one to set parent resizable.
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parents:
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diff
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|
538 sizable[] = true; |
c5c38eaadb64
Changed how sizability is set for parents: can require all sub-widgets resizable or only one to set parent resizable.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
539 else |
c5c38eaadb64
Changed how sizability is set for parents: can require all sub-widgets resizable or only one to set parent resizable.
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|
540 sizable[] = false; |
91
4d5d53e4f881
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parents:
90
diff
changeset
|
541 firstSizable = -1; |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
542 lastSizable = -1; |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
543 } |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
544 |
124
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Dynamic minimal size changing is now fully supported.
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diff
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|
545 /** Add num "rows" to the aligner. They start at the returned index r, thus the values in |
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Dynamic minimal size changing is now fully supported.
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diff
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546 * minCellWidths to set are minCellWidths[cols*r..cols*(r+num)]. |
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Dynamic minimal size changing is now fully supported.
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diff
changeset
|
547 * |
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Dynamic minimal size changing is now fully supported.
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|
548 * Calling this function is necessary to allocate room in minCellWidths. */ |
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diff
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|
549 size_t addRows (size_t num) { |
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diff
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|
550 size_t r = rows; |
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Dynamic minimal size changing is now fully supported.
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parents:
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diff
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|
551 rows += num; |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
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diff
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|
552 minCellWidths.length = cols*rows; |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
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diff
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|
553 return r; |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
554 } |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
123
diff
changeset
|
555 |
95
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
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diff
changeset
|
556 /** Initialize widths, either from minWidths or from supplied list, checking validity. |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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diff
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|
557 * |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
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diff
changeset
|
558 * Also calculates first/lastSizable from sizable, overall minimal width and column positions. |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
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|
559 */ |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
560 void setWidths (wdim[] data = null) { |
111
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
109
diff
changeset
|
561 if (!setupWidths) { |
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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parents:
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diff
changeset
|
562 setupWidths = true; |
124
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Dynamic minimal size changing is now fully supported.
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parents:
123
diff
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|
563 |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
564 // Set minWidth |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
565 assert (minCellWidths.length == rows * cols, "minCellWidths: bad length"); |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
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|
566 for (size_t c = 0; c < cols; ++c) |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
123
diff
changeset
|
567 for (size_t r = 0; r < rows; ++r) { |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
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|
568 wdim mcw = minCellWidths[c+r*cols]; |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
569 if (minWidth[c] < mcw) |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
123
diff
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|
570 minWidth[c] = mcw; |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
571 } |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
572 |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
573 /* Calculate the minimal width of all columns plus spacing. */ |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
123
diff
changeset
|
574 mw = spacing * cast(wdim)(cols - 1); |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
575 foreach (imw; minWidth) |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
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diff
changeset
|
576 mw += imw; |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
577 |
a2ef6b549101
Dynamic minimal size changing is now fully supported.
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parents:
123
diff
changeset
|
578 // set width |
111
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
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parents:
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diff
changeset
|
579 if (data || width) { // use existing/external data: need to check validity |
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
109
diff
changeset
|
580 if (data) { |
124
a2ef6b549101
Dynamic minimal size changing is now fully supported.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
123
diff
changeset
|
581 assert (data.length == cols, "setWidths called with bad data length (code error)"); |
111
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
109
diff
changeset
|
582 width = data.dup; // data is shared by other widgets with same id so must be .dup'ed |
1655693702fc
Resolved ticket #4, allowing widgets to reload strings and recalculate sizes mid-run.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
109
diff
changeset
|
583 } |
95
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
584 foreach (i, m; minWidth) { |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
585 if (!sizable[i] || width[i] < m) // if width is fixed or less than minimum |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
586 width[i] = m; |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
587 } |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
588 } else |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
589 width = minWidth.dup; |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
590 |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
591 genPositions; |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
592 |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
593 foreach (i,s; sizable) { |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
594 if (s) { |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
595 firstSizable = i; |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
94
diff
changeset
|
596 goto gotFirst; |
91
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
597 } |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
598 } |
95
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
599 return; // none resizable - don't search for lastSizable |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
94
diff
changeset
|
600 gotFirst: |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
601 foreach_reverse (i,s; sizable) { |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
602 if (s) { |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
603 lastSizable = i; |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
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diff
changeset
|
604 return; // done |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
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diff
changeset
|
605 } |
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
94
diff
changeset
|
606 } |
91
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
607 } |
90
b525ff28774b
Widgets generated dynamically from a list can now be standard widgets selected from data files.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
85
diff
changeset
|
608 } |
b525ff28774b
Widgets generated dynamically from a list can now be standard widgets selected from data files.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
85
diff
changeset
|
609 |
91
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
610 /** Get the row/column of relative position l. |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
90
diff
changeset
|
611 * |
4d5d53e4f881
Shared alignment for dynamic content lists - finally implemented! Lots of smaller changes too.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
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diff
changeset
|
612 * returns: |
95
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
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diff
changeset
|
613 * -i if in space to left of col i, or i if on col i. */ |
124
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|
614 ptrdiff_t getCell (wdim l) { |
95
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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diff
changeset
|
615 debug assert (width, "AlignColumns not initialized when getCell called (code error)"); |
124
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parents:
123
diff
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|
616 ptrdiff_t i = cols - 1; // starting from right... |
90
b525ff28774b
Widgets generated dynamically from a list can now be standard widgets selected from data files.
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parents:
85
diff
changeset
|
617 while (l < pos[i]) { // decrement while left of this column |
b525ff28774b
Widgets generated dynamically from a list can now be standard widgets selected from data files.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
85
diff
changeset
|
618 debug assert (i > 0, "getCell: l < pos[0] (code error)"); |
b525ff28774b
Widgets generated dynamically from a list can now be standard widgets selected from data files.
Diggory Hardy <diggory.hardy@gmail.com>
parents:
85
diff
changeset
|
619 --i; |
b525ff28774b
Widgets generated dynamically from a list can now be standard widgets selected from data files.
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parents:
85
diff
changeset
|
620 } // now (l >= pos[i]) |
95
2a364c7d82c9
Boolean options can be adjusted from the gui now (using a very basic widget). Also some bug-fixes.
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parents:
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621 if (l >= pos[i] + width[i]) { // between columns |
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622 debug assert (i+1 < cols, "getCell: l >= total width (code error)"); |
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623 return -i - 1; // note: i might be 0 so cannot just return -i |
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624 } |
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625 return i; |
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626 } |
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627 |
91
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628 /** Adjust total size with direction dir. |
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629 * |
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630 * nw should be at least the minimal width. */ |
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631 wdim resizeWidth (wdim nw, int dir) { |
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632 debug assert (width, "AlignColumns not initialized when resizeWidth called (code error)"); |
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633 if (nw < mw) { |
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634 debug logger.warn ("Widget dimension set below minimal"); |
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635 nw = mw; |
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636 } |
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637 if (nw == w) return w; |
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638 |
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639 wdim diff = nw - w; |
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640 if (firstSizable == -1) |
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641 diff = adjustCellSizes (diff, cols-1, -1); |
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642 else |
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643 diff = adjustCellSizes (diff, (dir == -1 ? lastSizable : firstSizable), dir); |
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644 genPositions; |
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645 |
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646 debug if (nw != w) { |
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647 logger.trace ("resizeWidth on {} to {} failed, new width: {}, diff {}, firstSizable {}, columns {}",cast(void*)this, nw,w, diff, firstSizable, cols); |
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648 /+ Also print column widths & positions: |
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649 logger.trace ("resizeWidth to {} failed! Column dimensions and positions:",nw); |
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650 foreach (i,w; width) |
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651 logger.trace ("\t{}\t{}", w,pos[i]);+/ |
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652 } |
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653 return w; |
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654 } |
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655 |
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656 /** Calculate resizeU/resizeD, and return true if unable to resize. |
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657 * |
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658 * This and resizeCols are for moving dividers between cells. */ |
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659 bool findResizeCols (wdim l) { |
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660 resizeU = -getCell (l); // potential start for upward-resizes |
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661 if (resizeU <= 0) |
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662 return true; // not on a space between cells |
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663 resizeD = resizeU - 1; // potential start for downward-resizes |
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664 |
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665 while (!sizable[resizeU]) { // find first actually resizable column (upwards) |
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666 ++resizeU; |
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667 if (resizeU >= cols) { // cannot resize |
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668 resizeU = -1; |
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669 return true; |
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670 } |
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671 } |
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672 |
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673 while (!sizable[resizeD]) { // find first actually resizable column (downwards) |
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674 --resizeD; |
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675 if (resizeD < 0) { // cannot resize |
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676 resizeU = -1; // resizeU is tested to check whether resizes are possible |
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677 return true; |
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678 } |
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679 } |
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680 |
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681 return false; // can resize |
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682 } |
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683 /// Resize columns based on findResizeCols |
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684 void resizeCols (wdim diff) |
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685 { |
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686 if (resizeU <= 0) return; |
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687 |
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688 // do shrinking first (in case we hit the minimum) |
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689 if (diff >= 0) { |
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690 diff = -adjustCellSizes (-diff, resizeU, 1); |
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691 adjustCellSizes (diff, resizeD, -1); |
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692 } else { |
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693 diff = -adjustCellSizes (diff, resizeD, -1); |
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694 adjustCellSizes (diff, resizeU, 1); |
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695 } |
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696 genPositions; |
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697 } |
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698 |
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699 /** Called when one of the cells in column col now has minimal width nmw. |
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700 * |
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701 * Enlarges column minimal width if necessary; tries to keep total width the same. */ |
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702 void newMinWidth (size_t col, size_t row, wdim nmw) { |
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703 minCellWidths[col + row*cols] = nmw; |
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704 wdim nd = 0; // negative diff to keep overall size constant if possible |
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705 wdim omw = minWidth[col]; // to check if mw actually changes |
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706 if (minWidth[col] < nmw) { // increase minimal |
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707 minWidth[col] = nmw; |
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708 nd = width[col] - nmw; // negative diff |
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709 } else if (minWidth[col] > nmw) { // potentially decrease minimal |
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710 nmw = 0; |
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711 for (size_t r = 0; r < rows; ++r) { |
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712 wdim mcw = minCellWidths[col+r*cols]; |
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713 if (nmw < mcw) |
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714 nmw = mcw; |
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715 } |
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716 minWidth[col] = nmw; |
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717 if (!sizable[col]) |
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718 nd = width[col] - nmw; |
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719 } else |
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720 return false; |
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721 |
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722 mw = spacing * cast(wdim)(cols - 1); |
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723 foreach (imw; minWidth) |
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724 mw += imw; |
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725 |
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726 if (nd != 0) { // needs enlarging or shrinking |
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727 width[col] = nmw; |
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728 foreach (cb; cbs) |
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729 cb.setWidth (col, nmw, -1); |
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730 if (lastSizable >= 0) |
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731 adjustCellSizes (nd, lastSizable, -1); // doesn't necessarily resize exactly |
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732 genPositions; |
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minSizeChange() allows run-time changes to widgets' minimal size (except for shrinking in a GridLayoutWidget).
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733 } |
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734 |
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735 bool mwChange = nmw != omw; // size only changes if true, presuming old size is valid |
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736 foreach (cb; cbs) |
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737 cb.newMW (mwChange); |
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738 } |
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739 |
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|
740 /* Generate position infomation for each column and set w. */ |
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741 private void genPositions () { |
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742 pos.length = cols; |
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743 |
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744 w = 0; |
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745 foreach (i, cw; width) { |
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746 pos[i] = w; |
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747 w += cw + spacing; |
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748 } |
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749 w -= spacing; |
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750 } |
90
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751 |
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|
752 /* Adjust the total size of rows/columns (including spacing) by diff. |
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|
753 * |
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754 * Params: |
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755 * diff = amount to increase/decrease the total size |
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756 * start= index for col/row to start resizing on; assumed to be sizable |
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757 * incr = direction to resize in (added to index each step). Must be either -1 or +1. |
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|
758 * |
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759 * Returns: |
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760 * The amount adjusted. This may be larger than diff, since cellD is clamped by cellDMin. |
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761 * |
124
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762 * Doesn't touch non-sizable columns (except start which is only assumed sizable). |
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763 * |
90
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764 * Note: Check variable used for start is valid before calling! If a non-sizable column's |
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765 * index is passed, this should get increased (if diff > 0) but not decreased. |
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766 */ |
124
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767 private wdim adjustCellSizes (wdim diff, ptrdiff_t start, int incr) |
90
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768 in { |
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769 assert (width.length == cols, "CellAlign.adjustCellSizes: width is invalid (code error)"); |
90
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770 // Most likely if passed negative when sizing is disabled: |
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771 assert (start >= 0 && start < cols, "adjustCellSizes: invalid start"); |
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|
772 debug assert (incr == 1 || incr == -1, "adjustCellSizes: invalid incr"); |
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773 } body { |
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774 debug scope(failure) logger.trace ("adjustCellSizes: failure"); |
124
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775 ptrdiff_t i = start; |
90
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776 if (diff > 0) { // increase size of first resizable cell |
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777 width[i] += diff; |
126
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778 foreach (cb; cbs) |
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779 cb.setWidth (i, width[i], incr); |
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parents:
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diff
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|
780 } |
90
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781 else if (diff < 0) { // decrease |
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782 wdim rd = diff; // running diff |
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783 aCSwhile: |
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|
784 while (true) { |
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|
785 width[i] += rd; // decrease this cell's size (but may be too much) |
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786 rd = width[i] - minWidth[i]; |
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787 if (rd >= 0) { // OK; we're done |
126
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788 foreach (cb; cbs) |
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789 cb.setWidth (i, width[i], incr); |
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790 break; // we hit the mark exactly: diff is correct |
45
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parents:
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diff
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|
791 } |
90
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parents:
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diff
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|
792 |
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|
793 // else we decreased it too much! |
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|
794 width[i] = minWidth[i]; |
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795 foreach (cb; cbs) |
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796 cb.setWidth (i, width[i], incr); |
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797 // rd is remainder to decrease by |
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parents:
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798 |
95
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|
799 do { |
90
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800 i += incr; |
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801 if (i < 0 || i >= cols) { // run out of next cells |
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802 diff -= rd; // still had rd left to decrease |
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803 break aCSwhile; // exception: Array index out of bounds |
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804 } |
95
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805 } while (!sizable[i]) // iterate again if row/col isn't resizable |
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806 } |
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807 } |
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808 // else no adjustment needed (diff == 0) |
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809 |
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810 return diff; |
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811 } |
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812 |
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813 |
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814 /** Minimal widths per cell. |
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815 * |
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816 * Array of all cells, organised like GridLayoutWidget.subWidgets when representing columns, |
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817 * with rows and columns swapped when representing rows. |
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818 * |
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819 * Then minWidth[i] = min(minCellWidths[i]) (where min acts on an array). */ |
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820 wdim[] minCellWidths; |
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821 |
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822 /** For each column i, sizable[i] is true if that column is resizable. |
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823 * |
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824 * Set along with minWidth before calling setWidths. */ |
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825 bool[] sizable; // set by genCachedConstructionData |
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826 |
91
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827 /** Current width, relative position (for each column) |
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828 * |
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829 * Treat as READ ONLY outside this class! */ |
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830 wdim[] width; // only adjusted within the class |
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831 wdim[] pos; /// ditto |
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832 wdim spacing; // used by genPositions (which cannot access the layout class's data) |
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833 wdim w,mw; // current & minimal widths |
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834 |
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835 package struct CallbackStruct { |
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836 void delegate (size_t,wdim,int) setWidth; // set width of a column, with resize direction |
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837 void delegate (uint,uint) sADD; // setupAlignDimData dlgs |
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838 void delegate (bool) newMW; // propegate or finalize minimal width change |
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839 } |
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840 CallbackStruct cbs[]; |
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841 |
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842 protected: |
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843 /* Minimal width for each column. |
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844 * |
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845 * Set by setWidths. */ |
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846 wdim[] minWidth; |
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847 size_t cols, rows; // number of columns and rows (wrong way round when AlignColumns |
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848 // represents rows) |
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849 |
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850 ptrdiff_t resizeD, // resizeCols works down from this index (<0 if not resizing) |
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851 resizeU; // and up from this index |
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852 /* indicies of the first/last resizable column (negative if none are resizable). */ |
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853 ptrdiff_t firstSizable = -1, lastSizable = -1; // set by calcFLSbl |
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854 // Callbacks used to actually adjust a column's width: |
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855 |
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856 uint setup_n = uint.max; // param n of last setup call |
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857 bool setupWidths; // setWidths has been run |
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858 |
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859 static HashMap!(widgetID,AlignColumns) instances; |
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860 static this () { |
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861 instances = new HashMap!(widgetID,AlignColumns); |
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862 } |
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863 |
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864 alias IParentWidget.SIZABILITY SIZABILITY; |
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865 alias IParentWidget.SIZABILITY_ENUM SIZABILITY_ENUM; |
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866 |
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867 debug invariant() |
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868 { |
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869 if (setupWidths) { |
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870 assert (width.length == cols, "invariant: bad width length"); |
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871 wdim x = 0; |
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872 foreach (i,w; width) { |
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873 assert (minWidth[i] <= w, "invariant: min size not reached"); // even when "not sizable", cols may get enlarged |
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874 assert (x == pos[i], "invariant: position wrong"); |
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875 x += w + spacing; |
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876 } |
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877 assert (x - spacing == w, "invariant: w is wrong"); |
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878 x = spacing * cast(wdim)(cols - 1); |
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879 foreach (mw; minWidth) |
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880 x += mw; |
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881 assert (x == mw, "invariant: mw is wrong"); |
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882 } |
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883 } |
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884 |
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885 debug (mdeUnitTest) unittest { |
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886 bool throws (void delegate() dg) { |
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887 bool r = false; |
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888 try { |
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889 dg(); |
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890 } catch (Exception e) { |
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891 r = true; |
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892 } |
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893 return r; |
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894 } |
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895 |
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896 AlignColumns a, a2, b; |
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897 a = getInstance ("a", 2); |
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898 a2 = getInstance ("a", 2); |
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899 b = getInstance ("b", 5); |
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900 assert (a is a2); |
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901 assert (a !is b); |
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902 assert (throws ({ getInstance ("a", 4); })); |
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903 |
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904 a.setup (0, 3); |
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905 a.spacing = 6; |
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906 a.minWidth[0] = 50; |
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907 a.minWidth[1] = 6; |
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908 a.sizable[1] = true; |
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909 a.setWidths; |
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910 assert (a.w == 62); |
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911 |
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912 b.setup (0,3); |
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913 b.spacing = 2; |
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914 foreach (ref wd; b.minWidth) |
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915 wd = 10; |
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916 b.sizable = [false, true, false, true, false]; |
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917 b.setWidths; |
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918 assert (b.w == 58); |
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919 |
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920 assert (b.resizeWidth (60, -1) == 60); |
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921 assert (b.width[3] == 12); |
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922 |
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923 logger.info ("Unittest complete."); |
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924 } |
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925 } |