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-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** 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 Technology Preview License Agreement accompanying
-** this package.
-**
-** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#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), elideModeSetByUser(false), useScrollButtonsSetByUser(false), expanding(true), closeButtonOnTabs(false),
- selectionBehaviorOnRemove(QTabBar::SelectRightTab), paintWithOffsets(true), movable(false),
- dragInProgress(false), documentMode(false), movingTab(0)
-#ifdef Q_WS_MAC
- , previousPressedIndex(-1)
-#endif
- {}
-
- 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 &current)
- { 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(); }
- void setCurrentNextEnabledIndex(int offset);
-
- 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 start = 0);
- void layoutTab(int index);
- void updateMacBorderMetrics();
- void setupMovableTab();
-
- void makeVisible(int index);
- QSize iconSize;
- Qt::TextElideMode elideMode;
- bool elideModeSetByUser;
- bool useScrollButtons;
- bool useScrollButtonsSetByUser;
-
- bool expanding;
- bool closeButtonOnTabs;
- QTabBar::SelectionBehavior selectionBehaviorOnRemove;
-
- QPoint dragStartPosition;
- bool paintWithOffsets;
- bool movable;
- bool dragInProgress;
- bool documentMode;
-
- QWidget *movingTab;
-#ifdef Q_WS_MAC
- int previousPressedIndex;
-#endif
- // 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
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