1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTABBAR_P_H
#define QTABBAR_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qtabbar.h"
#include "private/qwidget_p.h"
#include <qicon.h>
#include <qtoolbutton.h>
#include <qdebug.h>
#include <qvariantanimation.h>
#ifndef QT_NO_TABBAR
#define ANIMATION_DURATION 250
#include <qstyleoption.h>
QT_BEGIN_NAMESPACE
class QTabBarPrivate : public QWidgetPrivate
{
Q_DECLARE_PUBLIC(QTabBar)
public:
QTabBarPrivate()
:currentIndex(-1), pressedIndex(-1), shape(QTabBar::RoundedNorth), layoutDirty(false),
drawBase(true), scrollOffset(0), expanding(true), closeButtonOnTabs(false),
selectionBehaviorOnRemove(QTabBar::SelectRightTab), paintWithOffsets(true), movable(false),
dragInProgress(false), documentMode(false), movingTab(0) {}
int currentIndex;
int pressedIndex;
QTabBar::Shape shape;
bool layoutDirty;
bool drawBase;
int scrollOffset;
struct Tab {
inline Tab(const QIcon &ico, const QString &txt)
: enabled(true) , shortcutId(0), text(txt), icon(ico),
leftWidget(0), rightWidget(0), lastTab(-1), dragOffset(0)
#ifndef QT_NO_ANIMATION
, animation(0)
#endif //QT_NO_ANIMATION
{}
bool operator==(const Tab &other) const { return &other == this; }
bool enabled;
int shortcutId;
QString text;
#ifndef QT_NO_TOOLTIP
QString toolTip;
#endif
#ifndef QT_NO_WHATSTHIS
QString whatsThis;
#endif
QIcon icon;
QRect rect;
QRect minRect;
QRect maxRect;
QColor textColor;
QVariant data;
QWidget *leftWidget;
QWidget *rightWidget;
int lastTab;
int dragOffset;
#ifndef QT_NO_ANIMATION
~Tab() { delete animation; }
struct TabBarAnimation : public QVariantAnimation {
TabBarAnimation(Tab *t, QTabBarPrivate *_priv) : tab(t), priv(_priv)
{ setEasingCurve(QEasingCurve::InOutQuad); }
void updateCurrentValue(const QVariant ¤t)
{ priv->moveTab(priv->tabList.indexOf(*tab), current.toInt()); }
void updateState(State, State newState)
{ if (newState == Stopped) priv->moveTabFinished(priv->tabList.indexOf(*tab)); }
private:
//these are needed for the callbacks
Tab *tab;
QTabBarPrivate *priv;
} *animation;
void startAnimation(QTabBarPrivate *priv, int duration) {
if (!animation)
animation = new TabBarAnimation(this, priv);
animation->setStartValue(dragOffset);
animation->setEndValue(0);
animation->setDuration(duration);
animation->start();
}
#else
void startAnimation(QTabBarPrivate *priv, int duration)
{ Q_UNUSED(duration); priv->moveTabFinished(priv->tabList.indexOf(*this)); }
#endif //QT_NO_ANIMATION
};
QList<Tab> tabList;
int calculateNewPosition(int from, int to, int index) const;
void slide(int from, int to);
void init();
int extraWidth() const;
Tab *at(int index);
const Tab *at(int index) const;
int indexAtPos(const QPoint &p) const;
inline bool validIndex(int index) const { return index >= 0 && index < tabList.count(); }
QSize minimumTabSizeHint(int index);
QToolButton* rightB; // right or bottom
QToolButton* leftB; // left or top
void _q_scrollTabs();
void _q_closeTab();
void moveTab(int index, int offset);
void moveTabFinished(int index);
QRect hoverRect;
void refresh();
void layoutTabs();
void layoutWidgets(int index = -1);
void layoutTab(int index);
void updateMacBorderMetrics();
void setupMovableTab();
void makeVisible(int index);
QSize iconSize;
Qt::TextElideMode elideMode;
bool useScrollButtons;
bool expanding;
bool closeButtonOnTabs;
QTabBar::SelectionBehavior selectionBehaviorOnRemove;
QPoint dragStartPosition;
bool paintWithOffsets;
bool movable;
bool dragInProgress;
bool documentMode;
QWidget *movingTab;
// shared by tabwidget and qtabbar
static void initStyleBaseOption(QStyleOptionTabBarBaseV2 *optTabBase, QTabBar *tabbar, QSize size)
{
QStyleOptionTab tabOverlap;
tabOverlap.shape = tabbar->shape();
int overlap = tabbar->style()->pixelMetric(QStyle::PM_TabBarBaseOverlap, &tabOverlap, tabbar);
QWidget *theParent = tabbar->parentWidget();
optTabBase->init(tabbar);
optTabBase->shape = tabbar->shape();
optTabBase->documentMode = tabbar->documentMode();
if (theParent && overlap > 0) {
QRect rect;
switch (tabOverlap.shape) {
case QTabBar::RoundedNorth:
case QTabBar::TriangularNorth:
rect.setRect(0, size.height()-overlap, size.width(), overlap);
break;
case QTabBar::RoundedSouth:
case QTabBar::TriangularSouth:
rect.setRect(0, 0, size.width(), overlap);
break;
case QTabBar::RoundedEast:
case QTabBar::TriangularEast:
rect.setRect(0, 0, overlap, size.height());
break;
case QTabBar::RoundedWest:
case QTabBar::TriangularWest:
rect.setRect(size.width() - overlap, 0, overlap, size.height());
break;
}
optTabBase->rect = rect;
}
}
};
class CloseButton : public QAbstractButton
{
Q_OBJECT
public:
CloseButton(QWidget *parent = 0);
QSize sizeHint() const;
inline QSize minimumSizeHint() const
{ return sizeHint(); }
void enterEvent(QEvent *event);
void leaveEvent(QEvent *event);
void paintEvent(QPaintEvent *event);
};
QT_END_NAMESPACE
#endif
#endif
|