Mercurial > projects > qtd
comparison examples/layouts/dynamiclayouts/dialog.d @ 101:4f909ae70e76
add dynamiclayouts example
author | mandel |
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date | Fri, 29 May 2009 13:25:41 +0000 |
parents | |
children | 236401001115 |
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100:dcd36d8db2da | 101:4f909ae70e76 |
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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 dialog; | |
42 | |
43 | |
44 import qt.gui.QDialog; | |
45 import qt.gui.QGroupBox; | |
46 import qt.gui.QGridLayout; | |
47 import qt.gui.QLabel; | |
48 import qt.gui.QComboBox; | |
49 import qt.gui.QDialogButtonBox; | |
50 import qt.gui.QPushButton; | |
51 import qt.gui.QMessageBox; | |
52 import qt.gui.QSpinBox; | |
53 import qt.gui.QDial; | |
54 import qt.gui.QProgressBar; | |
55 | |
56 | |
57 class Dialog : public QDialog | |
58 { | |
59 | |
60 public: | |
61 | |
62 this(QWidget parent = null) | |
63 { | |
64 super(parent); | |
65 createRotableGroupBox(); | |
66 createOptionsGroupBox(); | |
67 createButtonBox(); | |
68 | |
69 mainLayout = new QGridLayout; | |
70 mainLayout.addWidget(rotableGroupBox, 0, 0); | |
71 mainLayout.addWidget(optionsGroupBox, 1, 0); | |
72 mainLayout.addWidget(buttonBox, 2, 0); | |
73 setLayout(mainLayout); | |
74 | |
75 mainLayout.setSizeConstraint(QLayout.SetMinimumSize); | |
76 | |
77 setWindowTitle(tr("Dynamic Layouts")); | |
78 } | |
79 | |
80 private: | |
81 | |
82 void buttonsOrientationChanged(int index) | |
83 { | |
84 mainLayout.setSizeConstraint(QLayout.SetNoConstraint); | |
85 setMinimumSize(0, 0); | |
86 | |
87 Qt_Orientation orientation = cast(Qt_Orientation) buttonsOrientationComboBox.itemData(index).toInt(); | |
88 | |
89 if (orientation == buttonBox.orientation()) | |
90 return; | |
91 | |
92 mainLayout.removeWidget(buttonBox); | |
93 | |
94 int spacing = mainLayout.spacing(); | |
95 | |
96 QSize oldSizeHint = buttonBox.sizeHint() + QSize(spacing, spacing); | |
97 buttonBox.setOrientation(orientation); | |
98 QSize newSizeHint = buttonBox.sizeHint() + QSize(spacing, spacing); | |
99 | |
100 if (orientation == Qt_Orientation.Horizontal) { | |
101 mainLayout.addWidget(buttonBox, 2, 0); | |
102 resize(size() + QSize(-1 * oldSizeHint.width(), newSizeHint.height())); | |
103 } else { | |
104 mainLayout.addWidget(buttonBox, 0, 3, 2, 1); | |
105 resize(size() + QSize(newSizeHint.width(), -1 * oldSizeHint.height())); | |
106 } | |
107 | |
108 mainLayout.setSizeConstraint(QLayout.SetDefaultConstraint); | |
109 } | |
110 | |
111 void rotateWidgets() | |
112 { | |
113 assert(rotableWidgets.length % 2 == 0); | |
114 | |
115 foreach (QWidget widget; rotableWidgets) | |
116 rotableLayout.removeWidget(widget); | |
117 | |
118 rotableWidgets = rotableWidgets[1..$] ~ rotableWidgets[0]; | |
119 | |
120 int n = rotableWidgets.length; | |
121 for (int i = 0; i < n / 2; ++i) { | |
122 rotableLayout.addWidget(rotableWidgets[n - i - 1], 0, i); | |
123 rotableLayout.addWidget(rotableWidgets[i], 1, i); | |
124 } | |
125 } | |
126 | |
127 void help() | |
128 { | |
129 QMessageBox.information(this, tr("Dynamic Layouts Help"), | |
130 tr("This example shows how to change layouts dynamically.")); | |
131 } | |
132 | |
133 private: | |
134 | |
135 void createRotableGroupBox() | |
136 { | |
137 rotableGroupBox = new QGroupBox(tr("Rotable Widgets")); | |
138 | |
139 rotableWidgets ~= new QSpinBox; | |
140 rotableWidgets ~= new QSlider; | |
141 rotableWidgets ~= new QDial; | |
142 rotableWidgets ~= new QProgressBar; | |
143 | |
144 int n = rotableWidgets.length; | |
145 for (int i = 0; i < n; ++i) { | |
146 rotableWidgets[i].valueChanged.connect(&rotableWidgets[(i + 1) % n].setValue); | |
147 } | |
148 | |
149 rotableLayout = new QGridLayout; | |
150 rotableGroupBox.setLayout(rotableLayout); | |
151 | |
152 rotateWidgets(); | |
153 } | |
154 | |
155 void createOptionsGroupBox() | |
156 { | |
157 optionsGroupBox = new QGroupBox(tr("Options")); | |
158 | |
159 buttonsOrientationLabel = new QLabel(tr("Orientation of buttons:")); | |
160 | |
161 buttonsOrientationComboBox = new QComboBox; | |
162 buttonsOrientationComboBox.addItem(tr("Horizontal"), new QVariant(cast(ulong) Qt.Horizontal)); | |
163 buttonsOrientationComboBox.addItem(tr("Vertical"), new QVariant(cast(ulong) Qt.Vertical)); | |
164 | |
165 buttonsOrientationComboBox.currentIndexChanged.connect(&this.buttonsOrientationChanged); | |
166 | |
167 optionsLayout = new QGridLayout; | |
168 optionsLayout.addWidget(buttonsOrientationLabel, 0, 0); | |
169 optionsLayout.addWidget(buttonsOrientationComboBox, 0, 1); | |
170 optionsLayout.setColumnStretch(2, 1); | |
171 optionsGroupBox.setLayout(optionsLayout); | |
172 } | |
173 | |
174 void createButtonBox() | |
175 { | |
176 buttonBox = new QDialogButtonBox; | |
177 | |
178 closeButton = buttonBox.addButton(QDialogButtonBox.Close); | |
179 helpButton = buttonBox.addButton(QDialogButtonBox.Help); | |
180 rotateWidgetsButton = buttonBox.addButton(tr("Rotate &Widgets"), QDialogButtonBox.ActionRole); | |
181 | |
182 rotateWidgetsButton.clicked.connect(&this.rotateWidgets); | |
183 closeButton.clicked.connect(&this.close); | |
184 helpButton.clicked.connect(&this.help); | |
185 } | |
186 | |
187 QGroupBox rotableGroupBox; | |
188 QWidget[] rotableWidgets; | |
189 | |
190 QGroupBox optionsGroupBox; | |
191 QLabel buttonsOrientationLabel; | |
192 QComboBox buttonsOrientationComboBox; | |
193 | |
194 QDialogButtonBox buttonBox; | |
195 QPushButton closeButton; | |
196 QPushButton helpButton; | |
197 QPushButton rotateWidgetsButton; | |
198 | |
199 QGridLayout mainLayout; | |
200 QGridLayout rotableLayout; | |
201 QGridLayout optionsLayout; | |
202 } |