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annotate examples/layouts/borderlayout/borderlayout.d @ 322:7c2cf27391c4 signals
A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
| author | eldar_ins@eldar-laptop |
|---|---|
| date | Sun, 27 Dec 2009 21:13:38 +0500 |
| parents | 6aeaf24018d7 |
| children | 778ef7374fb5 |
| rev | line source |
|---|---|
| 118 | 1 /**************************************************************************** |
| 2 ** | |
| 3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). | |
| 4 ** Contact: Qt Software Information (qt-info@nokia.com) | |
| 5 ** | |
| 6 ** This file is part of the examples of the Qt Toolkit. | |
| 7 ** | |
| 8 ** $QT_BEGIN_LICENSE:LGPL$ | |
| 9 ** Commercial Usage | |
| 10 ** Licensees holding valid Qt Commercial licenses may use this file in | |
| 11 ** accordance with the Qt Commercial License Agreement provided with the | |
| 12 ** Software or, alternatively, in accordance with the terms contained in | |
| 13 ** a written agreement between you and Nokia. | |
| 14 ** | |
| 15 ** GNU Lesser General Public License Usage | |
| 16 ** Alternatively, this file may be used under the terms of the GNU Lesser | |
| 17 ** General Public License version 2.1 as published by the Free Software | |
| 18 ** Foundation and appearing in the file LICENSE.LGPL included in the | |
| 19 ** packaging of this file. Please review the following information to | |
| 20 ** ensure the GNU Lesser General Public License version 2.1 requirements | |
| 21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
| 22 ** | |
| 23 ** In addition, as a special exception, Nokia gives you certain | |
| 24 ** additional rights. These rights are described in the Nokia Qt LGPL | |
| 25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this | |
| 26 ** package. | |
| 27 ** | |
| 28 ** GNU General Public License Usage | |
| 29 ** Alternatively, this file may be used under the terms of the GNU | |
| 30 ** General Public License version 3.0 as published by the Free Software | |
| 31 ** Foundation and appearing in the file LICENSE.GPL included in the | |
| 32 ** packaging of this file. Please review the following information to | |
| 33 ** ensure the GNU General Public License version 3.0 requirements will be | |
| 34 ** met: http://www.gnu.org/copyleft/gpl.html. | |
| 35 ** | |
| 36 ** If you are unsure which license is appropriate for your use, please | |
| 37 ** contact the sales department at qt-sales@nokia.com. | |
| 38 ** $QT_END_LICENSE$ | |
| 39 ** | |
| 40 ****************************************************************************/ | |
| 41 module borderlayout; | |
| 42 | |
| 43 | |
| 44 import qt.gui.QLayout; | |
| 45 import qt.gui.QWidgetItem; | |
| 46 import qt.gui.QTextBrowser; | |
| 47 import qt.core.QSize; | |
| 48 import qt.core.QRect; | |
| 49 | |
| 50 | |
| 51 class BorderLayout : public QLayout | |
| 52 { | |
| 53 public: | |
| 54 | |
| 204 | 55 enum Position { West, North, South, East, Center }; |
| 118 | 56 |
| 204 | 57 this(QWidget parent, int margin = 0, int spacing = -1) |
| 58 { | |
| 59 super(parent); | |
| 60 setMargin(margin); | |
| 61 setWidgetSpacing(spacing); | |
| 62 } | |
| 118 | 63 |
| 204 | 64 this(int spacing = -1) |
| 65 { | |
| 66 setWidgetSpacing(spacing); | |
| 67 } | |
| 118 | 68 |
| 204 | 69 ~this() |
| 70 { | |
| 71 QLayoutItem l = takeAt(0); | |
| 72 while (l) { | |
| 73 delete l; | |
| 74 l = takeAt(0); | |
| 75 } | |
| 76 } | |
| 118 | 77 |
| 204 | 78 void addWidget(QWidget widget, Position position) |
| 79 { | |
| 80 add(cast(IQLayoutItem) new QWidgetItem(widget), position); | |
| 81 } | |
| 118 | 82 |
|
322
7c2cf27391c4
A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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83 void add(IQLayoutItem item, Position position) |
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84 { |
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85 list ~= new ItemWrapper(item, position); |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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86 } |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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87 |
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88 override |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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89 { |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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90 void addItem(IQLayoutItem item) |
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91 { |
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92 add(item, Position.West); |
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93 } |
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94 |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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95 int expandingDirections() const |
| 204 | 96 { |
| 97 return Qt.Horizontal | Qt.Vertical; | |
| 98 } | |
| 118 | 99 |
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100 bool hasHeightForWidth() const |
| 204 | 101 { |
| 102 return false; | |
| 103 } | |
| 118 | 104 |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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105 int count() const |
| 204 | 106 { |
| 107 return list.length; | |
| 108 } | |
| 118 | 109 |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
eldar_ins@eldar-laptop
parents:
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110 IQLayoutItem itemAt(int index) const |
| 204 | 111 { |
| 112 if(index >= 0 && index < list.length) | |
|
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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113 return cast(IQLayoutItem) list[index].item; |
| 204 | 114 else |
| 115 return null; | |
| 116 } | |
| 118 | 117 |
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A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
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parents:
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118 QSize minimumSize() const |
| 204 | 119 { |
| 120 return calculateSize(SizeType.MinimumSize); | |
| 121 } | |
| 118 | 122 |
| 204 | 123 void setGeometry(const QRect rect) |
| 124 { | |
| 125 ItemWrapper center = null; | |
| 126 int eastWidth = 0; | |
| 127 int westWidth = 0; | |
| 128 int northHeight = 0; | |
| 129 int southHeight = 0; | |
| 130 int centerHeight = 0; | |
| 131 int i; | |
| 118 | 132 |
| 204 | 133 super.setGeometry(rect); |
| 118 | 134 |
| 204 | 135 for (i = 0; i < list.length; ++i) { |
| 136 ItemWrapper wrapper = list[i]; | |
| 137 IQLayoutItem item = wrapper.item; | |
| 138 Position position = wrapper.position; | |
| 118 | 139 |
| 204 | 140 if (position == Position.North) { |
| 141 item.setGeometry(QRect(rect.x(), northHeight, rect.width(), | |
| 142 item.sizeHint().height())); | |
| 118 | 143 |
| 204 | 144 northHeight += item.geometry().height() + widgetSpacing(); |
| 145 } else if (position == Position.South) { | |
| 146 item.setGeometry(QRect(item.geometry().x(), | |
| 147 item.geometry().y(), rect.width(), | |
| 148 item.sizeHint().height())); | |
| 118 | 149 |
| 204 | 150 southHeight += item.geometry().height() + widgetSpacing(); |
| 118 | 151 |
| 204 | 152 item.setGeometry(QRect(rect.x(), |
| 153 rect.y() + rect.height() - southHeight + widgetSpacing(), | |
| 154 item.geometry().width(), | |
| 155 item.geometry().height())); | |
| 156 } else if (position == Position.Center) { | |
| 157 center = wrapper; | |
| 158 } | |
| 159 } | |
| 118 | 160 |
| 204 | 161 centerHeight = rect.height() - northHeight - southHeight; |
| 118 | 162 |
| 204 | 163 for (i = 0; i < list.length; ++i) { |
| 164 ItemWrapper wrapper = list[i]; | |
| 165 IQLayoutItem item = wrapper.item; | |
| 166 Position position = wrapper.position; | |
| 118 | 167 |
| 204 | 168 if (position == Position.West) { |
| 169 item.setGeometry(QRect(rect.x() + westWidth, northHeight, | |
| 170 item.sizeHint().width(), centerHeight)); | |
| 118 | 171 |
| 204 | 172 westWidth += item.geometry().width() + widgetSpacing(); |
| 173 } else if (position == Position.East) { | |
| 174 item.setGeometry(QRect(item.geometry().x(), item.geometry().y(), | |
| 175 item.sizeHint().width(), centerHeight)); | |
| 118 | 176 |
| 204 | 177 eastWidth += item.geometry().width() + widgetSpacing(); |
| 118 | 178 |
| 204 | 179 item.setGeometry(QRect( |
| 180 rect.x() + rect.width() - eastWidth + widgetSpacing(), | |
| 181 northHeight, item.geometry().width(), | |
| 182 item.geometry().height())); | |
| 183 } | |
| 184 } | |
| 118 | 185 |
| 204 | 186 if (center) |
| 187 center.item.setGeometry(QRect(westWidth, northHeight, | |
| 188 rect.width() - eastWidth - westWidth, | |
| 189 centerHeight)); | |
| 190 } | |
| 118 | 191 |
|
322
7c2cf27391c4
A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
eldar_ins@eldar-laptop
parents:
204
diff
changeset
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192 QSize sizeHint() const |
| 204 | 193 { |
| 194 return calculateSize(SizeType.SizeHint); | |
| 195 } | |
| 118 | 196 |
| 204 | 197 QLayoutItem takeAt(int index) |
| 198 { | |
| 199 if (index >= 0 && index < list.length) { | |
| 200 ItemWrapper layoutStruct = list[index]; | |
| 201 return layoutStruct.item; | |
| 202 } | |
| 203 return null; | |
| 204 } | |
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322
7c2cf27391c4
A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
eldar_ins@eldar-laptop
parents:
204
diff
changeset
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205 } |
| 118 | 206 |
| 207 private: | |
| 208 | |
| 204 | 209 class ItemWrapper |
| 210 { | |
| 211 this(IQLayoutItem i, Position p) | |
| 212 { | |
| 213 item = i; | |
| 214 position = p; | |
| 215 } | |
| 118 | 216 |
| 204 | 217 IQLayoutItem item; |
| 218 Position position; | |
| 219 }; | |
| 118 | 220 |
| 204 | 221 enum SizeType { MinimumSize, SizeHint }; |
| 118 | 222 |
|
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7c2cf27391c4
A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
eldar_ins@eldar-laptop
parents:
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diff
changeset
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223 QSize calculateSize(SizeType sizeType) const |
| 204 | 224 { |
| 225 QSize totalSize; | |
| 118 | 226 |
| 204 | 227 for (int i = 0; i < list.length; ++i) { |
|
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7c2cf27391c4
A slight change of the connect syntax. More sofisticated signals/slots lookup. Some fixes in examples.
eldar_ins@eldar-laptop
parents:
204
diff
changeset
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228 const ItemWrapper wrapper = list[i]; |
| 204 | 229 Position position = wrapper.position; |
| 230 QSize itemSize; | |
| 118 | 231 |
| 204 | 232 if (sizeType == SizeType.MinimumSize) |
| 233 itemSize = wrapper.item.minimumSize(); | |
| 234 else // (sizeType == SizeHint) | |
| 235 itemSize = wrapper.item.sizeHint(); | |
| 118 | 236 |
| 204 | 237 if (position == Position.North || position == Position.South || position == Position.Center) |
| 238 totalSize.setHeight(totalSize.height + itemSize.height); | |
| 239 | |
| 240 if (position == Position.West || position == Position.East || position == Position.Center) | |
| 241 totalSize.setWidth(totalSize.width + itemSize.width); | |
| 242 } | |
| 243 return totalSize; | |
| 244 } | |
| 118 | 245 |
| 204 | 246 ItemWrapper[] list; |
| 118 | 247 } |