common/include/QtWidgets/5.5.0/QtWidgets/private/qtabbar_p.h - platform/prebuilts/android-emulator-build/qt - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2015 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the QtWidgets module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL21$
 ** Commercial License Usage
 ** Licensees holding valid commercial Qt licenses may use this file in
 ** accordance with the commercial license agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and The Qt Company. For licensing terms
 ** and conditions see http://www.qt.io/terms-conditions. For further
 ** information use the contact form at http://www.qt.io/contact-us.
 **
 ** 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 or version 3 as published by the Free
 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
 ** following information to ensure the GNU Lesser General Public License
 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** As a special exception, The Qt Company gives you certain additional
 ** rights. These rights are described in The Qt Company LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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), autoHide(false), changeCurrentOnDrag(false),
         switchTabCurrentIndex(-1), switchTabTimerId(0), movingTab(0)
 #ifdef Q_DEAD_CODE_FROM_QT4_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) Q_DECL_OVERRIDE;

             void updateState(State, State newState) Q_DECL_OVERRIDE;
         private:
             //these are needed for the callbacks
             Tab *tab;
             QTabBarPrivate *priv;
         } *animation;

         void startAnimation(QTabBarPrivate *priv, int duration) {
             if (!priv->isAnimated()) {
                 priv->moveTabFinished(priv->tabList.indexOf(*this));
                 return;
             }
             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 isAnimated() const { Q_Q(const QTabBar); return q->style()->styleHint(QStyle::SH_Widget_Animate, 0, q); }
     inline bool validIndex(int index) const { return index >= 0 && index < tabList.count(); }
     void setCurrentNextEnabledIndex(int offset);

     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();
     bool isTabInMacUnifiedToolbarArea() const;
     void setupMovableTab();
     void autoHideTabs();

     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;
     bool autoHide;
     bool changeCurrentOnDrag;

     int switchTabCurrentIndex;
     int switchTabTimerId;

     QWidget *movingTab;
 #ifdef Q_DEAD_CODE_FROM_QT4_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;
         }
     }

     void killSwitchTabTimer();

 };

 class CloseButton : public QAbstractButton
 {
     Q_OBJECT

 public:
     CloseButton(QWidget *parent = 0);

     QSize sizeHint() const Q_DECL_OVERRIDE;
     QSize minimumSizeHint() const Q_DECL_OVERRIDE
         { return sizeHint(); }
     void enterEvent(QEvent *event) Q_DECL_OVERRIDE;
     void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
     void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
 };


 QT_END_NAMESPACE

 #endif

 #endif
	/****************************************************************************
	**
	** Copyright (C) 2015 The Qt Company Ltd.
	** Contact: http://www.qt.io/licensing/
	**
	** This file is part of the QtWidgets module of the Qt Toolkit.
	**
	** $QT_BEGIN_LICENSE:LGPL21$
	** Commercial License Usage
	** Licensees holding valid commercial Qt licenses may use this file in
	** accordance with the commercial license agreement provided with the
	** Software or, alternatively, in accordance with the terms contained in
	** a written agreement between you and The Qt Company. For licensing terms
	** and conditions see http://www.qt.io/terms-conditions. For further
	** information use the contact form at http://www.qt.io/contact-us.
	**
	** 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 or version 3 as published by the Free
	** Software Foundation and appearing in the file LICENSE.LGPLv21 and
	** LICENSE.LGPLv3 included in the packaging of this file. Please review the
	** following information to ensure the GNU Lesser General Public License
	** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
	** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
	**
	** As a special exception, The Qt Company gives you certain additional
	** rights. These rights are described in The Qt Company LGPL Exception
	** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#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), autoHide(false), changeCurrentOnDrag(false),
	switchTabCurrentIndex(-1), switchTabTimerId(0), movingTab(0)
	#ifdef Q_DEAD_CODE_FROM_QT4_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) Q_DECL_OVERRIDE;

	void updateState(State, State newState) Q_DECL_OVERRIDE;
	private:
	//these are needed for the callbacks
	Tab *tab;
	QTabBarPrivate *priv;
	} *animation;

	void startAnimation(QTabBarPrivate *priv, int duration) {
	if (!priv->isAnimated()) {
	priv->moveTabFinished(priv->tabList.indexOf(*this));
	return;
	}
	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 isAnimated() const { Q_Q(const QTabBar); return q->style()->styleHint(QStyle::SH_Widget_Animate, 0, q); }
	inline bool validIndex(int index) const { return index >= 0 && index < tabList.count(); }
	void setCurrentNextEnabledIndex(int offset);

	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();
	bool isTabInMacUnifiedToolbarArea() const;
	void setupMovableTab();
	void autoHideTabs();

	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;
	bool autoHide;
	bool changeCurrentOnDrag;

	int switchTabCurrentIndex;
	int switchTabTimerId;

	QWidget *movingTab;
	#ifdef Q_DEAD_CODE_FROM_QT4_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;
	}
	}

	void killSwitchTabTimer();

	};

	class CloseButton : public QAbstractButton
	{
	Q_OBJECT

	public:
	CloseButton(QWidget *parent = 0);

	QSize sizeHint() const Q_DECL_OVERRIDE;
	QSize minimumSizeHint() const Q_DECL_OVERRIDE
	{ return sizeHint(); }
	void enterEvent(QEvent *event) Q_DECL_OVERRIDE;
	void leaveEvent(QEvent *event) Q_DECL_OVERRIDE;
	void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
	};


	QT_END_NAMESPACE

	#endif

	#endif