source: trunk/examples/widgets/calendarwidget/window.cpp@ 337

Last change on this file since 337 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 16.1 KB
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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
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38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QtGui>
43
44#include "window.h"
45
46//! [0]
47Window::Window()
48{
49 createPreviewGroupBox();
50 createGeneralOptionsGroupBox();
51 createDatesGroupBox();
52 createTextFormatsGroupBox();
53
54 QGridLayout *layout = new QGridLayout;
55 layout->addWidget(previewGroupBox, 0, 0);
56 layout->addWidget(generalOptionsGroupBox, 0, 1);
57 layout->addWidget(datesGroupBox, 1, 0);
58 layout->addWidget(textFormatsGroupBox, 1, 1);
59 layout->setSizeConstraint(QLayout::SetFixedSize);
60 setLayout(layout);
61
62 previewLayout->setRowMinimumHeight(0, calendar->sizeHint().height());
63 previewLayout->setColumnMinimumWidth(0, calendar->sizeHint().width());
64
65 setWindowTitle(tr("Calendar Widget"));
66}
67//! [0]
68
69void Window::localeChanged(int index)
70{
71 calendar->setLocale(localeCombo->itemData(index).toLocale());
72}
73
74//! [1]
75void Window::firstDayChanged(int index)
76{
77 calendar->setFirstDayOfWeek(Qt::DayOfWeek(
78 firstDayCombo->itemData(index).toInt()));
79}
80//! [1]
81
82void Window::selectionModeChanged(int index)
83{
84 calendar->setSelectionMode(QCalendarWidget::SelectionMode(
85 selectionModeCombo->itemData(index).toInt()));
86}
87
88void Window::horizontalHeaderChanged(int index)
89{
90 calendar->setHorizontalHeaderFormat(QCalendarWidget::HorizontalHeaderFormat(
91 horizontalHeaderCombo->itemData(index).toInt()));
92}
93
94void Window::verticalHeaderChanged(int index)
95{
96 calendar->setVerticalHeaderFormat(QCalendarWidget::VerticalHeaderFormat(
97 verticalHeaderCombo->itemData(index).toInt()));
98}
99
100//! [2]
101void Window::selectedDateChanged()
102{
103 currentDateEdit->setDate(calendar->selectedDate());
104}
105//! [2]
106
107//! [3]
108void Window::minimumDateChanged(const QDate &date)
109{
110 calendar->setMinimumDate(date);
111 maximumDateEdit->setDate(calendar->maximumDate());
112}
113//! [3]
114
115//! [4]
116void Window::maximumDateChanged(const QDate &date)
117{
118 calendar->setMaximumDate(date);
119 minimumDateEdit->setDate(calendar->minimumDate());
120}
121//! [4]
122
123//! [5]
124void Window::weekdayFormatChanged()
125{
126 QTextCharFormat format;
127
128 format.setForeground(qvariant_cast<QColor>(
129 weekdayColorCombo->itemData(weekdayColorCombo->currentIndex())));
130 calendar->setWeekdayTextFormat(Qt::Monday, format);
131 calendar->setWeekdayTextFormat(Qt::Tuesday, format);
132 calendar->setWeekdayTextFormat(Qt::Wednesday, format);
133 calendar->setWeekdayTextFormat(Qt::Thursday, format);
134 calendar->setWeekdayTextFormat(Qt::Friday, format);
135}
136//! [5]
137
138//! [6]
139void Window::weekendFormatChanged()
140{
141 QTextCharFormat format;
142
143 format.setForeground(qvariant_cast<QColor>(
144 weekendColorCombo->itemData(weekendColorCombo->currentIndex())));
145 calendar->setWeekdayTextFormat(Qt::Saturday, format);
146 calendar->setWeekdayTextFormat(Qt::Sunday, format);
147}
148//! [6]
149
150//! [7]
151void Window::reformatHeaders()
152{
153 QString text = headerTextFormatCombo->currentText();
154 QTextCharFormat format;
155
156 if (text == tr("Bold")) {
157 format.setFontWeight(QFont::Bold);
158 } else if (text == tr("Italic")) {
159 format.setFontItalic(true);
160 } else if (text == tr("Green")) {
161 format.setForeground(Qt::green);
162 }
163 calendar->setHeaderTextFormat(format);
164}
165//! [7]
166
167//! [8]
168void Window::reformatCalendarPage()
169{
170 QTextCharFormat mayFirstFormat;
171 if (mayFirstCheckBox->isChecked())
172 mayFirstFormat.setForeground(Qt::red);
173
174 QTextCharFormat firstFridayFormat;
175 if (firstFridayCheckBox->isChecked())
176 firstFridayFormat.setForeground(Qt::blue);
177
178 QDate date(calendar->yearShown(), calendar->monthShown(), 1);
179
180 calendar->setDateTextFormat(QDate(date.year(), 5, 1), mayFirstFormat);
181
182 date.setDate(date.year(), date.month(), 1);
183 while (date.dayOfWeek() != Qt::Friday)
184 date = date.addDays(1);
185 calendar->setDateTextFormat(date, firstFridayFormat);
186}
187//! [8]
188
189//! [9]
190void Window::createPreviewGroupBox()
191{
192 previewGroupBox = new QGroupBox(tr("Preview"));
193
194 calendar = new QCalendarWidget;
195 calendar->setMinimumDate(QDate(1900, 1, 1));
196 calendar->setMaximumDate(QDate(3000, 1, 1));
197 calendar->setGridVisible(true);
198
199 connect(calendar, SIGNAL(currentPageChanged(int, int)),
200 this, SLOT(reformatCalendarPage()));
201
202 previewLayout = new QGridLayout;
203 previewLayout->addWidget(calendar, 0, 0, Qt::AlignCenter);
204 previewGroupBox->setLayout(previewLayout);
205}
206//! [9]
207
208//! [10]
209void Window::createGeneralOptionsGroupBox()
210{
211 generalOptionsGroupBox = new QGroupBox(tr("General Options"));
212
213 localeCombo = new QComboBox;
214 int curLocaleIndex = -1;
215 int index = 0;
216 for (int _lang = QLocale::C; _lang <= QLocale::LastLanguage; ++_lang) {
217 QLocale::Language lang = static_cast<QLocale::Language>(_lang);
218 QList<QLocale::Country> countries = QLocale::countriesForLanguage(lang);
219 for (int i = 0; i < countries.count(); ++i) {
220 QLocale::Country country = countries.at(i);
221 QString label = QLocale::languageToString(lang);
222 label += QLatin1Char('/');
223 label += QLocale::countryToString(country);
224 QLocale locale(lang, country);
225 if (this->locale().language() == lang && this->locale().country() == country)
226 curLocaleIndex = index;
227 localeCombo->addItem(label, locale);
228 ++index;
229 }
230 }
231 if (curLocaleIndex != -1)
232 localeCombo->setCurrentIndex(curLocaleIndex);
233 localeLabel = new QLabel(tr("&Locale"));
234 localeLabel->setBuddy(localeCombo);
235
236 firstDayCombo = new QComboBox;
237 firstDayCombo->addItem(tr("Sunday"), Qt::Sunday);
238 firstDayCombo->addItem(tr("Monday"), Qt::Monday);
239 firstDayCombo->addItem(tr("Tuesday"), Qt::Tuesday);
240 firstDayCombo->addItem(tr("Wednesday"), Qt::Wednesday);
241 firstDayCombo->addItem(tr("Thursday"), Qt::Thursday);
242 firstDayCombo->addItem(tr("Friday"), Qt::Friday);
243 firstDayCombo->addItem(tr("Saturday"), Qt::Saturday);
244
245 firstDayLabel = new QLabel(tr("Wee&k starts on:"));
246 firstDayLabel->setBuddy(firstDayCombo);
247//! [10]
248
249 selectionModeCombo = new QComboBox;
250 selectionModeCombo->addItem(tr("Single selection"),
251 QCalendarWidget::SingleSelection);
252 selectionModeCombo->addItem(tr("None"), QCalendarWidget::NoSelection);
253
254 selectionModeLabel = new QLabel(tr("&Selection mode:"));
255 selectionModeLabel->setBuddy(selectionModeCombo);
256
257 gridCheckBox = new QCheckBox(tr("&Grid"));
258 gridCheckBox->setChecked(calendar->isGridVisible());
259
260 navigationCheckBox = new QCheckBox(tr("&Navigation bar"));
261 navigationCheckBox->setChecked(true);
262
263 horizontalHeaderCombo = new QComboBox;
264 horizontalHeaderCombo->addItem(tr("Single letter day names"),
265 QCalendarWidget::SingleLetterDayNames);
266 horizontalHeaderCombo->addItem(tr("Short day names"),
267 QCalendarWidget::ShortDayNames);
268 horizontalHeaderCombo->addItem(tr("None"),
269 QCalendarWidget::NoHorizontalHeader);
270 horizontalHeaderCombo->setCurrentIndex(1);
271
272 horizontalHeaderLabel = new QLabel(tr("&Horizontal header:"));
273 horizontalHeaderLabel->setBuddy(horizontalHeaderCombo);
274
275 verticalHeaderCombo = new QComboBox;
276 verticalHeaderCombo->addItem(tr("ISO week numbers"),
277 QCalendarWidget::ISOWeekNumbers);
278 verticalHeaderCombo->addItem(tr("None"), QCalendarWidget::NoVerticalHeader);
279
280 verticalHeaderLabel = new QLabel(tr("&Vertical header:"));
281 verticalHeaderLabel->setBuddy(verticalHeaderCombo);
282
283//! [11]
284 connect(localeCombo, SIGNAL(currentIndexChanged(int)),
285 this, SLOT(localeChanged(int)));
286 connect(firstDayCombo, SIGNAL(currentIndexChanged(int)),
287 this, SLOT(firstDayChanged(int)));
288 connect(selectionModeCombo, SIGNAL(currentIndexChanged(int)),
289 this, SLOT(selectionModeChanged(int)));
290 connect(gridCheckBox, SIGNAL(toggled(bool)),
291 calendar, SLOT(setGridVisible(bool)));
292 connect(navigationCheckBox, SIGNAL(toggled(bool)),
293 calendar, SLOT(setNavigationBarVisible(bool)));
294 connect(horizontalHeaderCombo, SIGNAL(currentIndexChanged(int)),
295 this, SLOT(horizontalHeaderChanged(int)));
296 connect(verticalHeaderCombo, SIGNAL(currentIndexChanged(int)),
297 this, SLOT(verticalHeaderChanged(int)));
298//! [11]
299
300 QHBoxLayout *checkBoxLayout = new QHBoxLayout;
301 checkBoxLayout->addWidget(gridCheckBox);
302 checkBoxLayout->addStretch();
303 checkBoxLayout->addWidget(navigationCheckBox);
304
305 QGridLayout *outerLayout = new QGridLayout;
306 outerLayout->addWidget(localeLabel, 0, 0);
307 outerLayout->addWidget(localeCombo, 0, 1);
308 outerLayout->addWidget(firstDayLabel, 1, 0);
309 outerLayout->addWidget(firstDayCombo, 1, 1);
310 outerLayout->addWidget(selectionModeLabel, 2, 0);
311 outerLayout->addWidget(selectionModeCombo, 2, 1);
312 outerLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
313 outerLayout->addWidget(horizontalHeaderLabel, 4, 0);
314 outerLayout->addWidget(horizontalHeaderCombo, 4, 1);
315 outerLayout->addWidget(verticalHeaderLabel, 5, 0);
316 outerLayout->addWidget(verticalHeaderCombo, 5, 1);
317 generalOptionsGroupBox->setLayout(outerLayout);
318
319//! [12]
320 firstDayChanged(firstDayCombo->currentIndex());
321 selectionModeChanged(selectionModeCombo->currentIndex());
322 horizontalHeaderChanged(horizontalHeaderCombo->currentIndex());
323 verticalHeaderChanged(verticalHeaderCombo->currentIndex());
324}
325//! [12]
326
327//! [13]
328void Window::createDatesGroupBox()
329{
330 datesGroupBox = new QGroupBox(tr("Dates"));
331
332 minimumDateEdit = new QDateEdit;
333 minimumDateEdit->setDisplayFormat("MMM d yyyy");
334 minimumDateEdit->setDateRange(calendar->minimumDate(),
335 calendar->maximumDate());
336 minimumDateEdit->setDate(calendar->minimumDate());
337
338 minimumDateLabel = new QLabel(tr("&Minimum Date:"));
339 minimumDateLabel->setBuddy(minimumDateEdit);
340
341 currentDateEdit = new QDateEdit;
342 currentDateEdit->setDisplayFormat("MMM d yyyy");
343 currentDateEdit->setDate(calendar->selectedDate());
344 currentDateEdit->setDateRange(calendar->minimumDate(),
345 calendar->maximumDate());
346
347 currentDateLabel = new QLabel(tr("&Current Date:"));
348 currentDateLabel->setBuddy(currentDateEdit);
349
350 maximumDateEdit = new QDateEdit;
351 maximumDateEdit->setDisplayFormat("MMM d yyyy");
352 maximumDateEdit->setDateRange(calendar->minimumDate(),
353 calendar->maximumDate());
354 maximumDateEdit->setDate(calendar->maximumDate());
355
356 maximumDateLabel = new QLabel(tr("Ma&ximum Date:"));
357 maximumDateLabel->setBuddy(maximumDateEdit);
358
359//! [13] //! [14]
360 connect(currentDateEdit, SIGNAL(dateChanged(const QDate &)),
361 calendar, SLOT(setSelectedDate(const QDate &)));
362 connect(calendar, SIGNAL(selectionChanged()),
363 this, SLOT(selectedDateChanged()));
364 connect(minimumDateEdit, SIGNAL(dateChanged(const QDate &)),
365 this, SLOT(minimumDateChanged(const QDate &)));
366 connect(maximumDateEdit, SIGNAL(dateChanged(const QDate &)),
367 this, SLOT(maximumDateChanged(const QDate &)));
368
369//! [14]
370 QGridLayout *dateBoxLayout = new QGridLayout;
371 dateBoxLayout->addWidget(currentDateLabel, 1, 0);
372 dateBoxLayout->addWidget(currentDateEdit, 1, 1);
373 dateBoxLayout->addWidget(minimumDateLabel, 0, 0);
374 dateBoxLayout->addWidget(minimumDateEdit, 0, 1);
375 dateBoxLayout->addWidget(maximumDateLabel, 2, 0);
376 dateBoxLayout->addWidget(maximumDateEdit, 2, 1);
377 dateBoxLayout->setRowStretch(3, 1);
378
379 datesGroupBox->setLayout(dateBoxLayout);
380//! [15]
381}
382//! [15]
383
384//! [16]
385void Window::createTextFormatsGroupBox()
386{
387 textFormatsGroupBox = new QGroupBox(tr("Text Formats"));
388
389 weekdayColorCombo = createColorComboBox();
390 weekdayColorCombo->setCurrentIndex(
391 weekdayColorCombo->findText(tr("Black")));
392
393 weekdayColorLabel = new QLabel(tr("&Weekday color:"));
394 weekdayColorLabel->setBuddy(weekdayColorCombo);
395
396 weekendColorCombo = createColorComboBox();
397 weekendColorCombo->setCurrentIndex(
398 weekendColorCombo->findText(tr("Red")));
399
400 weekendColorLabel = new QLabel(tr("Week&end color:"));
401 weekendColorLabel->setBuddy(weekendColorCombo);
402
403//! [16] //! [17]
404 headerTextFormatCombo = new QComboBox;
405 headerTextFormatCombo->addItem(tr("Bold"));
406 headerTextFormatCombo->addItem(tr("Italic"));
407 headerTextFormatCombo->addItem(tr("Plain"));
408
409 headerTextFormatLabel = new QLabel(tr("&Header text:"));
410 headerTextFormatLabel->setBuddy(headerTextFormatCombo);
411
412 firstFridayCheckBox = new QCheckBox(tr("&First Friday in blue"));
413
414 mayFirstCheckBox = new QCheckBox(tr("May &1 in red"));
415
416//! [17] //! [18]
417 connect(weekdayColorCombo, SIGNAL(currentIndexChanged(int)),
418 this, SLOT(weekdayFormatChanged()));
419 connect(weekendColorCombo, SIGNAL(currentIndexChanged(int)),
420 this, SLOT(weekendFormatChanged()));
421 connect(headerTextFormatCombo, SIGNAL(currentIndexChanged(const QString &)),
422 this, SLOT(reformatHeaders()));
423 connect(firstFridayCheckBox, SIGNAL(toggled(bool)),
424 this, SLOT(reformatCalendarPage()));
425 connect(mayFirstCheckBox, SIGNAL(toggled(bool)),
426 this, SLOT(reformatCalendarPage()));
427
428//! [18]
429 QHBoxLayout *checkBoxLayout = new QHBoxLayout;
430 checkBoxLayout->addWidget(firstFridayCheckBox);
431 checkBoxLayout->addStretch();
432 checkBoxLayout->addWidget(mayFirstCheckBox);
433
434 QGridLayout *outerLayout = new QGridLayout;
435 outerLayout->addWidget(weekdayColorLabel, 0, 0);
436 outerLayout->addWidget(weekdayColorCombo, 0, 1);
437 outerLayout->addWidget(weekendColorLabel, 1, 0);
438 outerLayout->addWidget(weekendColorCombo, 1, 1);
439 outerLayout->addWidget(headerTextFormatLabel, 2, 0);
440 outerLayout->addWidget(headerTextFormatCombo, 2, 1);
441 outerLayout->addLayout(checkBoxLayout, 3, 0, 1, 2);
442 textFormatsGroupBox->setLayout(outerLayout);
443
444 weekdayFormatChanged();
445 weekendFormatChanged();
446//! [19]
447 reformatHeaders();
448 reformatCalendarPage();
449}
450//! [19]
451
452//! [20]
453QComboBox *Window::createColorComboBox()
454{
455 QComboBox *comboBox = new QComboBox;
456 comboBox->addItem(tr("Red"), Qt::red);
457 comboBox->addItem(tr("Blue"), Qt::blue);
458 comboBox->addItem(tr("Black"), Qt::black);
459 comboBox->addItem(tr("Magenta"), Qt::magenta);
460 return comboBox;
461}
462//! [20]
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