source: trunk/demos/mainwindow/toolbar.cpp@ 605

Last change on this file since 605 was 561, checked in by Dmitry A. Kuminov, 16 years ago

trunk: Merged in qt 4.6.1 sources.
File size: 12.5 KB
Line 
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 demonstration applications of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
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** 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 have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "toolbar.h"
43
44#include <QMainWindow>
45#include <QMenu>
46#include <QPainter>
47#include <QPainterPath>
48#include <QSpinBox>
49#include <QLabel>
50#include <QToolTip>
51
52#include <stdlib.h>
53
54static QPixmap genIcon(const QSize &iconSize, const QString &, const QColor &color)
55{
56 int w = iconSize.width();
57 int h = iconSize.height();
58
59 QImage image(w, h, QImage::Format_ARGB32_Premultiplied);
60 image.fill(0);
61
62 QPainter p(&image);
63
64 extern void render_qt_text(QPainter *, int, int, const QColor &);
65 render_qt_text(&p, w, h, color);
66
67 return QPixmap::fromImage(image, Qt::DiffuseDither | Qt::DiffuseAlphaDither);
68}
69
70static QPixmap genIcon(const QSize &iconSize, int number, const QColor &color)
71{ return genIcon(iconSize, QString::number(number), color); }
72
73ToolBar::ToolBar(const QString &title, QWidget *parent)
74 : QToolBar(parent), spinbox(0), spinboxAction(0)
75{
76 tip = 0;
77 setWindowTitle(title);
78 setObjectName(title);
79
80 setIconSize(QSize(32, 32));
81
82 QColor bg(palette().background().color());
83 menu = new QMenu("One", this);
84 menu->setIcon(genIcon(iconSize(), 1, Qt::black));
85 menu->addAction(genIcon(iconSize(), "A", Qt::blue), "A");
86 menu->addAction(genIcon(iconSize(), "B", Qt::blue), "B");
87 menu->addAction(genIcon(iconSize(), "C", Qt::blue), "C");
88 addAction(menu->menuAction());
89
90 QAction *two = addAction(genIcon(iconSize(), 2, Qt::white), "Two");
91 QFont boldFont;
92 boldFont.setBold(true);
93 two->setFont(boldFont);
94
95 addAction(genIcon(iconSize(), 3, Qt::red), "Three");
96 addAction(genIcon(iconSize(), 4, Qt::green), "Four");
97 addAction(genIcon(iconSize(), 5, Qt::blue), "Five");
98 addAction(genIcon(iconSize(), 6, Qt::yellow), "Six");
99 orderAction = new QAction(this);
100 orderAction->setText(tr("Order Items in Tool Bar"));
101 connect(orderAction, SIGNAL(triggered()), SLOT(order()));
102
103 randomizeAction = new QAction(this);
104 randomizeAction->setText(tr("Randomize Items in Tool Bar"));
105 connect(randomizeAction, SIGNAL(triggered()), SLOT(randomize()));
106
107 addSpinBoxAction = new QAction(this);
108 addSpinBoxAction->setText(tr("Add Spin Box"));
109 connect(addSpinBoxAction, SIGNAL(triggered()), SLOT(addSpinBox()));
110
111 removeSpinBoxAction = new QAction(this);
112 removeSpinBoxAction->setText(tr("Remove Spin Box"));
113 removeSpinBoxAction->setEnabled(false);
114 connect(removeSpinBoxAction, SIGNAL(triggered()), SLOT(removeSpinBox()));
115
116 movableAction = new QAction(tr("Movable"), this);
117 movableAction->setCheckable(true);
118 connect(movableAction, SIGNAL(triggered(bool)), SLOT(changeMovable(bool)));
119
120 allowedAreasActions = new QActionGroup(this);
121 allowedAreasActions->setExclusive(false);
122
123 allowLeftAction = new QAction(tr("Allow on Left"), this);
124 allowLeftAction->setCheckable(true);
125 connect(allowLeftAction, SIGNAL(triggered(bool)), SLOT(allowLeft(bool)));
126
127 allowRightAction = new QAction(tr("Allow on Right"), this);
128 allowRightAction->setCheckable(true);
129 connect(allowRightAction, SIGNAL(triggered(bool)), SLOT(allowRight(bool)));
130
131 allowTopAction = new QAction(tr("Allow on Top"), this);
132 allowTopAction->setCheckable(true);
133 connect(allowTopAction, SIGNAL(triggered(bool)), SLOT(allowTop(bool)));
134
135 allowBottomAction = new QAction(tr("Allow on Bottom"), this);
136 allowBottomAction->setCheckable(true);
137 connect(allowBottomAction, SIGNAL(triggered(bool)), SLOT(allowBottom(bool)));
138
139 allowedAreasActions->addAction(allowLeftAction);
140 allowedAreasActions->addAction(allowRightAction);
141 allowedAreasActions->addAction(allowTopAction);
142 allowedAreasActions->addAction(allowBottomAction);
143
144 areaActions = new QActionGroup(this);
145 areaActions->setExclusive(true);
146
147 leftAction = new QAction(tr("Place on Left") , this);
148 leftAction->setCheckable(true);
149 connect(leftAction, SIGNAL(triggered(bool)), SLOT(placeLeft(bool)));
150
151 rightAction = new QAction(tr("Place on Right") , this);
152 rightAction->setCheckable(true);
153 connect(rightAction, SIGNAL(triggered(bool)), SLOT(placeRight(bool)));
154
155 topAction = new QAction(tr("Place on Top") , this);
156 topAction->setCheckable(true);
157 connect(topAction, SIGNAL(triggered(bool)), SLOT(placeTop(bool)));
158
159 bottomAction = new QAction(tr("Place on Bottom") , this);
160 bottomAction->setCheckable(true);
161 connect(bottomAction, SIGNAL(triggered(bool)), SLOT(placeBottom(bool)));
162
163 areaActions->addAction(leftAction);
164 areaActions->addAction(rightAction);
165 areaActions->addAction(topAction);
166 areaActions->addAction(bottomAction);
167
168 toolBarBreakAction = new QAction(tr("Insert break"), this);
169 connect(toolBarBreakAction, SIGNAL(triggered(bool)), this, SLOT(insertToolBarBreak()));
170
171 connect(movableAction, SIGNAL(triggered(bool)), areaActions, SLOT(setEnabled(bool)));
172
173 connect(movableAction, SIGNAL(triggered(bool)), allowedAreasActions, SLOT(setEnabled(bool)));
174
175 menu = new QMenu(title, this);
176 menu->addAction(toggleViewAction());
177 menu->addSeparator();
178 menu->addAction(orderAction);
179 menu->addAction(randomizeAction);
180 menu->addSeparator();
181 menu->addAction(addSpinBoxAction);
182 menu->addAction(removeSpinBoxAction);
183 menu->addSeparator();
184 menu->addAction(movableAction);
185 menu->addSeparator();
186 menu->addActions(allowedAreasActions->actions());
187 menu->addSeparator();
188 menu->addActions(areaActions->actions());
189 menu->addSeparator();
190 menu->addAction(toolBarBreakAction);
191
192 connect(menu, SIGNAL(aboutToShow()), this, SLOT(updateMenu()));
193
194 randomize();
195}
196
197void ToolBar::updateMenu()
198{
199 QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget());
200 Q_ASSERT(mainWindow != 0);
201
202 const Qt::ToolBarArea area = mainWindow->toolBarArea(this);
203 const Qt::ToolBarAreas areas = allowedAreas();
204
205 movableAction->setChecked(isMovable());
206
207 allowLeftAction->setChecked(isAreaAllowed(Qt::LeftToolBarArea));
208 allowRightAction->setChecked(isAreaAllowed(Qt::RightToolBarArea));
209 allowTopAction->setChecked(isAreaAllowed(Qt::TopToolBarArea));
210 allowBottomAction->setChecked(isAreaAllowed(Qt::BottomToolBarArea));
211
212 if (allowedAreasActions->isEnabled()) {
213 allowLeftAction->setEnabled(area != Qt::LeftToolBarArea);
214 allowRightAction->setEnabled(area != Qt::RightToolBarArea);
215 allowTopAction->setEnabled(area != Qt::TopToolBarArea);
216 allowBottomAction->setEnabled(area != Qt::BottomToolBarArea);
217 }
218
219 leftAction->setChecked(area == Qt::LeftToolBarArea);
220 rightAction->setChecked(area == Qt::RightToolBarArea);
221 topAction->setChecked(area == Qt::TopToolBarArea);
222 bottomAction->setChecked(area == Qt::BottomToolBarArea);
223
224 if (areaActions->isEnabled()) {
225 leftAction->setEnabled(areas & Qt::LeftToolBarArea);
226 rightAction->setEnabled(areas & Qt::RightToolBarArea);
227 topAction->setEnabled(areas & Qt::TopToolBarArea);
228 bottomAction->setEnabled(areas & Qt::BottomToolBarArea);
229 }
230}
231
232void ToolBar::order()
233{
234 QList<QAction *> ordered, actions1 = actions(),
235 actions2 = qFindChildren<QAction *>(this);
236 while (!actions2.isEmpty()) {
237 QAction *action = actions2.takeFirst();
238 if (!actions1.contains(action))
239 continue;
240 actions1.removeAll(action);
241 ordered.append(action);
242 }
243
244 clear();
245 addActions(ordered);
246
247 orderAction->setEnabled(false);
248}
249
250void ToolBar::randomize()
251{
252 QList<QAction *> randomized, actions = this->actions();
253 while (!actions.isEmpty()) {
254 QAction *action = actions.takeAt(rand() % actions.size());
255 randomized.append(action);
256 }
257 clear();
258 addActions(randomized);
259
260 orderAction->setEnabled(true);
261}
262
263void ToolBar::addSpinBox()
264{
265 if (!spinbox) {
266 spinbox = new QSpinBox(this);
267 }
268 if (!spinboxAction)
269 spinboxAction = addWidget(spinbox);
270 else
271 addAction(spinboxAction);
272
273 addSpinBoxAction->setEnabled(false);
274 removeSpinBoxAction->setEnabled(true);
275}
276
277void ToolBar::removeSpinBox()
278{
279 if (spinboxAction)
280 removeAction(spinboxAction);
281
282 addSpinBoxAction->setEnabled(true);
283 removeSpinBoxAction->setEnabled(false);
284}
285
286void ToolBar::allow(Qt::ToolBarArea area, bool a)
287{
288 Qt::ToolBarAreas areas = allowedAreas();
289 areas = a ? areas | area : areas & ~area;
290 setAllowedAreas(areas);
291
292 if (areaActions->isEnabled()) {
293 leftAction->setEnabled(areas & Qt::LeftToolBarArea);
294 rightAction->setEnabled(areas & Qt::RightToolBarArea);
295 topAction->setEnabled(areas & Qt::TopToolBarArea);
296 bottomAction->setEnabled(areas & Qt::BottomToolBarArea);
297 }
298}
299
300void ToolBar::place(Qt::ToolBarArea area, bool p)
301{
302 if (!p)
303 return;
304
305 QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget());
306 Q_ASSERT(mainWindow != 0);
307
308 mainWindow->addToolBar(area, this);
309
310 if (allowedAreasActions->isEnabled()) {
311 allowLeftAction->setEnabled(area != Qt::LeftToolBarArea);
312 allowRightAction->setEnabled(area != Qt::RightToolBarArea);
313 allowTopAction->setEnabled(area != Qt::TopToolBarArea);
314 allowBottomAction->setEnabled(area != Qt::BottomToolBarArea);
315 }
316}
317
318void ToolBar::changeMovable(bool movable)
319{ setMovable(movable); }
320
321void ToolBar::allowLeft(bool a)
322{ allow(Qt::LeftToolBarArea, a); }
323
324void ToolBar::allowRight(bool a)
325{ allow(Qt::RightToolBarArea, a); }
326
327void ToolBar::allowTop(bool a)
328{ allow(Qt::TopToolBarArea, a); }
329
330void ToolBar::allowBottom(bool a)
331{ allow(Qt::BottomToolBarArea, a); }
332
333void ToolBar::placeLeft(bool p)
334{ place(Qt::LeftToolBarArea, p); }
335
336void ToolBar::placeRight(bool p)
337{ place(Qt::RightToolBarArea, p); }
338
339void ToolBar::placeTop(bool p)
340{ place(Qt::TopToolBarArea, p); }
341
342void ToolBar::placeBottom(bool p)
343{ place(Qt::BottomToolBarArea, p); }
344
345void ToolBar::insertToolBarBreak()
346{
347 QMainWindow *mainWindow = qobject_cast<QMainWindow *>(parentWidget());
348 Q_ASSERT(mainWindow != 0);
349
350 mainWindow->insertToolBarBreak(this);
351}
352
353void ToolBar::enterEvent(QEvent*)
354{
355/*
356 These labels on top of toolbars look darn ugly
357
358 if (tip == 0) {
359 tip = new QLabel(windowTitle(), this);
360 QPalette pal = tip->palette();
361 QColor c = Qt::black;
362 c.setAlpha(100);
363 pal.setColor(QPalette::Window, c);
364 pal.setColor(QPalette::Foreground, Qt::white);
365 tip->setPalette(pal);
366 tip->setAutoFillBackground(true);
367 tip->setMargin(3);
368 tip->setText(windowTitle());
369 }
370 QPoint c = rect().center();
371 QSize hint = tip->sizeHint();
372 tip->setGeometry(c.x() - hint.width()/2, c.y() - hint.height()/2,
373 hint.width(), hint.height());
374
375 tip->show();
376*/
377}
378
379void ToolBar::leaveEvent(QEvent*)
380{
381 if (tip != 0)
382 tip->hide();
383}
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