0
|
1 |
/****************************************************************************
|
|
2 |
**
|
|
3 |
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
4 |
** All rights reserved.
|
|
5 |
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
6 |
**
|
|
7 |
** This file is part of the examples of the Qt Toolkit.
|
|
8 |
**
|
|
9 |
** $QT_BEGIN_LICENSE:LGPL$
|
|
10 |
** No Commercial Usage
|
|
11 |
** This file contains pre-release code and may not be distributed.
|
|
12 |
** You may use this file in accordance with the terms and conditions
|
|
13 |
** contained in the Technology Preview License Agreement accompanying
|
|
14 |
** this package.
|
|
15 |
**
|
|
16 |
** GNU Lesser General Public License Usage
|
|
17 |
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
18 |
** General Public License version 2.1 as published by the Free Software
|
|
19 |
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
20 |
** packaging of this file. Please review the following information to
|
|
21 |
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
22 |
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
23 |
**
|
|
24 |
** In addition, as a special exception, Nokia gives you certain additional
|
|
25 |
** rights. These rights are described in the Nokia Qt LGPL Exception
|
|
26 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
27 |
**
|
|
28 |
** If you have questions regarding the use of this file, please contact
|
|
29 |
** Nokia at qt-info@nokia.com.
|
|
30 |
**
|
|
31 |
**
|
|
32 |
**
|
|
33 |
**
|
|
34 |
**
|
|
35 |
**
|
|
36 |
**
|
|
37 |
**
|
|
38 |
** $QT_END_LICENSE$
|
|
39 |
**
|
|
40 |
****************************************************************************/
|
|
41 |
|
|
42 |
#include <QtGui>
|
|
43 |
|
|
44 |
#include "iconpreviewarea.h"
|
|
45 |
#include "iconsizespinbox.h"
|
|
46 |
#include "imagedelegate.h"
|
|
47 |
#include "mainwindow.h"
|
|
48 |
|
|
49 |
//! [0]
|
|
50 |
MainWindow::MainWindow()
|
|
51 |
{
|
|
52 |
centralWidget = new QWidget;
|
|
53 |
setCentralWidget(centralWidget);
|
|
54 |
|
|
55 |
createPreviewGroupBox();
|
|
56 |
createImagesGroupBox();
|
|
57 |
createIconSizeGroupBox();
|
|
58 |
|
|
59 |
createActions();
|
|
60 |
createMenus();
|
|
61 |
createContextMenu();
|
|
62 |
|
|
63 |
QGridLayout *mainLayout = new QGridLayout;
|
|
64 |
mainLayout->addWidget(previewGroupBox, 0, 0, 1, 2);
|
|
65 |
mainLayout->addWidget(imagesGroupBox, 1, 0);
|
|
66 |
mainLayout->addWidget(iconSizeGroupBox, 1, 1);
|
|
67 |
centralWidget->setLayout(mainLayout);
|
|
68 |
|
|
69 |
setWindowTitle(tr("Icons"));
|
|
70 |
checkCurrentStyle();
|
|
71 |
otherRadioButton->click();
|
|
72 |
|
|
73 |
resize(minimumSizeHint());
|
|
74 |
}
|
|
75 |
//! [0]
|
|
76 |
|
|
77 |
//! [1]
|
|
78 |
void MainWindow::about()
|
|
79 |
{
|
|
80 |
QMessageBox::about(this, tr("About Icons"),
|
|
81 |
tr("The <b>Icons</b> example illustrates how Qt renders an icon in "
|
|
82 |
"different modes (active, normal, disabled, and selected) and "
|
|
83 |
"states (on and off) based on a set of images."));
|
|
84 |
}
|
|
85 |
//! [1]
|
|
86 |
|
|
87 |
//! [2]
|
|
88 |
void MainWindow::changeStyle(bool checked)
|
|
89 |
{
|
|
90 |
if (!checked)
|
|
91 |
return;
|
|
92 |
|
|
93 |
QAction *action = qobject_cast<QAction *>(sender());
|
|
94 |
//! [2] //! [3]
|
|
95 |
QStyle *style = QStyleFactory::create(action->data().toString());
|
|
96 |
//! [3] //! [4]
|
|
97 |
Q_ASSERT(style);
|
|
98 |
QApplication::setStyle(style);
|
|
99 |
|
|
100 |
smallRadioButton->setText(tr("Small (%1 x %1)")
|
|
101 |
.arg(style->pixelMetric(QStyle::PM_SmallIconSize)));
|
|
102 |
largeRadioButton->setText(tr("Large (%1 x %1)")
|
|
103 |
.arg(style->pixelMetric(QStyle::PM_LargeIconSize)));
|
|
104 |
toolBarRadioButton->setText(tr("Toolbars (%1 x %1)")
|
|
105 |
.arg(style->pixelMetric(QStyle::PM_ToolBarIconSize)));
|
|
106 |
listViewRadioButton->setText(tr("List views (%1 x %1)")
|
|
107 |
.arg(style->pixelMetric(QStyle::PM_ListViewIconSize)));
|
|
108 |
iconViewRadioButton->setText(tr("Icon views (%1 x %1)")
|
|
109 |
.arg(style->pixelMetric(QStyle::PM_IconViewIconSize)));
|
|
110 |
tabBarRadioButton->setText(tr("Tab bars (%1 x %1)")
|
|
111 |
.arg(style->pixelMetric(QStyle::PM_TabBarIconSize)));
|
|
112 |
|
|
113 |
changeSize();
|
|
114 |
}
|
|
115 |
//! [4]
|
|
116 |
|
|
117 |
//! [5]
|
|
118 |
void MainWindow::changeSize(bool checked)
|
|
119 |
{
|
|
120 |
if (!checked)
|
|
121 |
return;
|
|
122 |
|
|
123 |
int extent;
|
|
124 |
|
|
125 |
if (otherRadioButton->isChecked()) {
|
|
126 |
extent = otherSpinBox->value();
|
|
127 |
} else {
|
|
128 |
QStyle::PixelMetric metric;
|
|
129 |
|
|
130 |
if (smallRadioButton->isChecked()) {
|
|
131 |
metric = QStyle::PM_SmallIconSize;
|
|
132 |
} else if (largeRadioButton->isChecked()) {
|
|
133 |
metric = QStyle::PM_LargeIconSize;
|
|
134 |
} else if (toolBarRadioButton->isChecked()) {
|
|
135 |
metric = QStyle::PM_ToolBarIconSize;
|
|
136 |
} else if (listViewRadioButton->isChecked()) {
|
|
137 |
metric = QStyle::PM_ListViewIconSize;
|
|
138 |
} else if (iconViewRadioButton->isChecked()) {
|
|
139 |
metric = QStyle::PM_IconViewIconSize;
|
|
140 |
} else {
|
|
141 |
metric = QStyle::PM_TabBarIconSize;
|
|
142 |
}
|
|
143 |
extent = QApplication::style()->pixelMetric(metric);
|
|
144 |
}
|
|
145 |
previewArea->setSize(QSize(extent, extent));
|
|
146 |
otherSpinBox->setEnabled(otherRadioButton->isChecked());
|
|
147 |
}
|
|
148 |
//! [5]
|
|
149 |
|
|
150 |
//! [6]
|
|
151 |
void MainWindow::changeIcon()
|
|
152 |
{
|
|
153 |
QIcon icon;
|
|
154 |
|
|
155 |
for (int row = 0; row < imagesTable->rowCount(); ++row) {
|
|
156 |
QTableWidgetItem *item0 = imagesTable->item(row, 0);
|
|
157 |
QTableWidgetItem *item1 = imagesTable->item(row, 1);
|
|
158 |
QTableWidgetItem *item2 = imagesTable->item(row, 2);
|
|
159 |
|
|
160 |
if (item0->checkState() == Qt::Checked) {
|
|
161 |
QIcon::Mode mode;
|
|
162 |
if (item1->text() == tr("Normal")) {
|
|
163 |
mode = QIcon::Normal;
|
|
164 |
} else if (item1->text() == tr("Active")) {
|
|
165 |
mode = QIcon::Active;
|
|
166 |
} else if (item1->text() == tr("Disabled")) {
|
|
167 |
mode = QIcon::Disabled;
|
|
168 |
} else {
|
|
169 |
mode = QIcon::Selected;
|
|
170 |
}
|
|
171 |
|
|
172 |
QIcon::State state;
|
|
173 |
if (item2->text() == tr("On")) {
|
|
174 |
state = QIcon::On;
|
|
175 |
} else {
|
|
176 |
state = QIcon::Off;
|
|
177 |
//! [6] //! [7]
|
|
178 |
}
|
|
179 |
//! [7]
|
|
180 |
|
|
181 |
//! [8]
|
|
182 |
QString fileName = item0->data(Qt::UserRole).toString();
|
|
183 |
QImage image(fileName);
|
|
184 |
if (!image.isNull())
|
|
185 |
icon.addPixmap(QPixmap::fromImage(image), mode, state);
|
|
186 |
//! [8] //! [9]
|
|
187 |
}
|
|
188 |
//! [9] //! [10]
|
|
189 |
}
|
|
190 |
//! [10]
|
|
191 |
|
|
192 |
//! [11]
|
|
193 |
previewArea->setIcon(icon);
|
|
194 |
}
|
|
195 |
//! [11]
|
|
196 |
|
|
197 |
//! [12]
|
|
198 |
void MainWindow::addImages()
|
|
199 |
{
|
|
200 |
QStringList fileNames = QFileDialog::getOpenFileNames(this,
|
|
201 |
tr("Open Images"), "",
|
|
202 |
tr("Images (*.png *.xpm *.jpg);;"
|
|
203 |
"All Files (*)"));
|
|
204 |
if (!fileNames.isEmpty()) {
|
|
205 |
foreach (QString fileName, fileNames) {
|
|
206 |
int row = imagesTable->rowCount();
|
|
207 |
imagesTable->setRowCount(row + 1);
|
|
208 |
//! [12]
|
|
209 |
|
|
210 |
//! [13]
|
|
211 |
QString imageName = QFileInfo(fileName).baseName();
|
|
212 |
//! [13] //! [14]
|
|
213 |
QTableWidgetItem *item0 = new QTableWidgetItem(imageName);
|
|
214 |
item0->setData(Qt::UserRole, fileName);
|
|
215 |
item0->setFlags(item0->flags() & ~Qt::ItemIsEditable);
|
|
216 |
//! [14]
|
|
217 |
|
|
218 |
//! [15]
|
|
219 |
QTableWidgetItem *item1 = new QTableWidgetItem(tr("Normal"));
|
|
220 |
//! [15] //! [16]
|
|
221 |
QTableWidgetItem *item2 = new QTableWidgetItem(tr("Off"));
|
|
222 |
|
|
223 |
if (guessModeStateAct->isChecked()) {
|
|
224 |
if (fileName.contains("_act")) {
|
|
225 |
item1->setText(tr("Active"));
|
|
226 |
} else if (fileName.contains("_dis")) {
|
|
227 |
item1->setText(tr("Disabled"));
|
|
228 |
} else if (fileName.contains("_sel")) {
|
|
229 |
item1->setText(tr("Selected"));
|
|
230 |
}
|
|
231 |
|
|
232 |
if (fileName.contains("_on"))
|
|
233 |
item2->setText(tr("On"));
|
|
234 |
//! [16] //! [17]
|
|
235 |
}
|
|
236 |
//! [17]
|
|
237 |
|
|
238 |
//! [18]
|
|
239 |
imagesTable->setItem(row, 0, item0);
|
|
240 |
//! [18] //! [19]
|
|
241 |
imagesTable->setItem(row, 1, item1);
|
|
242 |
imagesTable->setItem(row, 2, item2);
|
|
243 |
imagesTable->openPersistentEditor(item1);
|
|
244 |
imagesTable->openPersistentEditor(item2);
|
|
245 |
|
|
246 |
item0->setCheckState(Qt::Checked);
|
|
247 |
}
|
|
248 |
}
|
|
249 |
}
|
|
250 |
//! [19]
|
|
251 |
|
|
252 |
//! [20]
|
|
253 |
void MainWindow::removeAllImages()
|
|
254 |
{
|
|
255 |
imagesTable->setRowCount(0);
|
|
256 |
changeIcon();
|
|
257 |
}
|
|
258 |
//! [20]
|
|
259 |
|
|
260 |
void MainWindow::createPreviewGroupBox()
|
|
261 |
{
|
|
262 |
previewGroupBox = new QGroupBox(tr("Preview"));
|
|
263 |
|
|
264 |
previewArea = new IconPreviewArea;
|
|
265 |
|
|
266 |
QVBoxLayout *layout = new QVBoxLayout;
|
|
267 |
layout->addWidget(previewArea);
|
|
268 |
previewGroupBox->setLayout(layout);
|
|
269 |
}
|
|
270 |
|
|
271 |
//! [21]
|
|
272 |
void MainWindow::createImagesGroupBox()
|
|
273 |
{
|
|
274 |
imagesGroupBox = new QGroupBox(tr("Images"));
|
|
275 |
|
|
276 |
imagesTable = new QTableWidget;
|
|
277 |
imagesTable->setSelectionMode(QAbstractItemView::NoSelection);
|
|
278 |
imagesTable->setItemDelegate(new ImageDelegate(this));
|
|
279 |
//! [21]
|
|
280 |
|
|
281 |
//! [22]
|
|
282 |
QStringList labels;
|
|
283 |
//! [22] //! [23]
|
|
284 |
labels << tr("Image") << tr("Mode") << tr("State");
|
|
285 |
|
|
286 |
imagesTable->horizontalHeader()->setDefaultSectionSize(90);
|
|
287 |
imagesTable->setColumnCount(3);
|
|
288 |
imagesTable->setHorizontalHeaderLabels(labels);
|
|
289 |
imagesTable->horizontalHeader()->setResizeMode(0, QHeaderView::Stretch);
|
|
290 |
imagesTable->horizontalHeader()->setResizeMode(1, QHeaderView::Fixed);
|
|
291 |
imagesTable->horizontalHeader()->setResizeMode(2, QHeaderView::Fixed);
|
|
292 |
imagesTable->verticalHeader()->hide();
|
|
293 |
//! [23]
|
|
294 |
|
|
295 |
//! [24]
|
|
296 |
connect(imagesTable, SIGNAL(itemChanged(QTableWidgetItem *)),
|
|
297 |
//! [24] //! [25]
|
|
298 |
this, SLOT(changeIcon()));
|
|
299 |
|
|
300 |
QVBoxLayout *layout = new QVBoxLayout;
|
|
301 |
layout->addWidget(imagesTable);
|
|
302 |
imagesGroupBox->setLayout(layout);
|
|
303 |
}
|
|
304 |
//! [25]
|
|
305 |
|
|
306 |
//! [26]
|
|
307 |
void MainWindow::createIconSizeGroupBox()
|
|
308 |
{
|
|
309 |
iconSizeGroupBox = new QGroupBox(tr("Icon Size"));
|
|
310 |
|
|
311 |
smallRadioButton = new QRadioButton;
|
|
312 |
largeRadioButton = new QRadioButton;
|
|
313 |
toolBarRadioButton = new QRadioButton;
|
|
314 |
listViewRadioButton = new QRadioButton;
|
|
315 |
iconViewRadioButton = new QRadioButton;
|
|
316 |
tabBarRadioButton = new QRadioButton;
|
|
317 |
otherRadioButton = new QRadioButton(tr("Other:"));
|
|
318 |
|
|
319 |
otherSpinBox = new IconSizeSpinBox;
|
|
320 |
otherSpinBox->setRange(8, 128);
|
|
321 |
otherSpinBox->setValue(64);
|
|
322 |
//! [26]
|
|
323 |
|
|
324 |
//! [27]
|
|
325 |
connect(smallRadioButton, SIGNAL(toggled(bool)),
|
|
326 |
this, SLOT(changeSize(bool)));
|
|
327 |
connect(largeRadioButton, SIGNAL(toggled(bool)),
|
|
328 |
this, SLOT(changeSize(bool)));
|
|
329 |
connect(toolBarRadioButton, SIGNAL(toggled(bool)),
|
|
330 |
this, SLOT(changeSize(bool)));
|
|
331 |
connect(listViewRadioButton, SIGNAL(toggled(bool)),
|
|
332 |
this, SLOT(changeSize(bool)));
|
|
333 |
connect(iconViewRadioButton, SIGNAL(toggled(bool)),
|
|
334 |
this, SLOT(changeSize(bool)));
|
|
335 |
connect(tabBarRadioButton, SIGNAL(toggled(bool)),
|
|
336 |
this, SLOT(changeSize(bool)));
|
|
337 |
connect(otherRadioButton, SIGNAL(toggled(bool)),
|
|
338 |
this, SLOT(changeSize(bool)));
|
|
339 |
connect(otherSpinBox, SIGNAL(valueChanged(int)), this, SLOT(changeSize()));
|
|
340 |
|
|
341 |
QHBoxLayout *otherSizeLayout = new QHBoxLayout;
|
|
342 |
otherSizeLayout->addWidget(otherRadioButton);
|
|
343 |
otherSizeLayout->addWidget(otherSpinBox);
|
|
344 |
otherSizeLayout->addStretch();
|
|
345 |
|
|
346 |
QGridLayout *layout = new QGridLayout;
|
|
347 |
layout->addWidget(smallRadioButton, 0, 0);
|
|
348 |
layout->addWidget(largeRadioButton, 1, 0);
|
|
349 |
layout->addWidget(toolBarRadioButton, 2, 0);
|
|
350 |
layout->addWidget(listViewRadioButton, 0, 1);
|
|
351 |
layout->addWidget(iconViewRadioButton, 1, 1);
|
|
352 |
layout->addWidget(tabBarRadioButton, 2, 1);
|
|
353 |
layout->addLayout(otherSizeLayout, 3, 0, 1, 2);
|
|
354 |
layout->setRowStretch(4, 1);
|
|
355 |
iconSizeGroupBox->setLayout(layout);
|
|
356 |
}
|
|
357 |
//! [27]
|
|
358 |
|
|
359 |
//! [28]
|
|
360 |
void MainWindow::createActions()
|
|
361 |
{
|
|
362 |
addImagesAct = new QAction(tr("&Add Images..."), this);
|
|
363 |
addImagesAct->setShortcut(tr("Ctrl+A"));
|
|
364 |
connect(addImagesAct, SIGNAL(triggered()), this, SLOT(addImages()));
|
|
365 |
|
|
366 |
removeAllImagesAct = new QAction(tr("&Remove All Images"), this);
|
|
367 |
removeAllImagesAct->setShortcut(tr("Ctrl+R"));
|
|
368 |
connect(removeAllImagesAct, SIGNAL(triggered()),
|
|
369 |
this, SLOT(removeAllImages()));
|
|
370 |
|
|
371 |
exitAct = new QAction(tr("&Quit"), this);
|
|
372 |
exitAct->setShortcuts(QKeySequence::Quit);
|
|
373 |
connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
|
|
374 |
|
|
375 |
styleActionGroup = new QActionGroup(this);
|
|
376 |
foreach (QString styleName, QStyleFactory::keys()) {
|
|
377 |
QAction *action = new QAction(styleActionGroup);
|
|
378 |
action->setText(tr("%1 Style").arg(styleName));
|
|
379 |
action->setData(styleName);
|
|
380 |
action->setCheckable(true);
|
|
381 |
connect(action, SIGNAL(triggered(bool)), this, SLOT(changeStyle(bool)));
|
|
382 |
}
|
|
383 |
|
|
384 |
guessModeStateAct = new QAction(tr("&Guess Image Mode/State"), this);
|
|
385 |
guessModeStateAct->setCheckable(true);
|
|
386 |
guessModeStateAct->setChecked(true);
|
|
387 |
|
|
388 |
aboutAct = new QAction(tr("&About"), this);
|
|
389 |
connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
|
|
390 |
|
|
391 |
aboutQtAct = new QAction(tr("About &Qt"), this);
|
|
392 |
connect(aboutQtAct, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
|
|
393 |
}
|
|
394 |
//! [28]
|
|
395 |
|
|
396 |
//! [29]
|
|
397 |
void MainWindow::createMenus()
|
|
398 |
{
|
|
399 |
fileMenu = menuBar()->addMenu(tr("&File"));
|
|
400 |
fileMenu->addAction(addImagesAct);
|
|
401 |
fileMenu->addAction(removeAllImagesAct);
|
|
402 |
fileMenu->addSeparator();
|
|
403 |
fileMenu->addAction(exitAct);
|
|
404 |
|
|
405 |
viewMenu = menuBar()->addMenu(tr("&View"));
|
|
406 |
foreach (QAction *action, styleActionGroup->actions())
|
|
407 |
viewMenu->addAction(action);
|
|
408 |
viewMenu->addSeparator();
|
|
409 |
viewMenu->addAction(guessModeStateAct);
|
|
410 |
|
|
411 |
menuBar()->addSeparator();
|
|
412 |
|
|
413 |
helpMenu = menuBar()->addMenu(tr("&Help"));
|
|
414 |
helpMenu->addAction(aboutAct);
|
|
415 |
helpMenu->addAction(aboutQtAct);
|
|
416 |
}
|
|
417 |
//! [29]
|
|
418 |
|
|
419 |
//! [30]
|
|
420 |
void MainWindow::createContextMenu()
|
|
421 |
{
|
|
422 |
imagesTable->setContextMenuPolicy(Qt::ActionsContextMenu);
|
|
423 |
imagesTable->addAction(addImagesAct);
|
|
424 |
imagesTable->addAction(removeAllImagesAct);
|
|
425 |
}
|
|
426 |
//! [30]
|
|
427 |
|
|
428 |
//! [31]
|
|
429 |
void MainWindow::checkCurrentStyle()
|
|
430 |
{
|
|
431 |
foreach (QAction *action, styleActionGroup->actions()) {
|
|
432 |
QString styleName = action->data().toString();
|
|
433 |
QStyle *candidate = QStyleFactory::create(styleName);
|
|
434 |
Q_ASSERT(candidate);
|
|
435 |
if (candidate->metaObject()->className()
|
|
436 |
== QApplication::style()->metaObject()->className()) {
|
|
437 |
action->trigger();
|
|
438 |
return;
|
|
439 |
}
|
|
440 |
delete candidate;
|
|
441 |
}
|
|
442 |
}
|
|
443 |
//! [31]
|