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Added new widget FancyTabBar.

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branch : feature
This commit is contained in:
Roman Telezhynskyi 2017-03-16 16:22:21 +02:00
parent abd10d8f56
commit b57e754d61
7 changed files with 1224 additions and 35 deletions
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77
src/libs/vwidgets/fancytabbar/fancytab.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "fancytab.h"
#include <QWidget>
//---------------------------------------------------------------------------------------------------------------------
FancyTab::FancyTab(QWidget *tabbar)
: m_icon(),
m_text(),
m_toolTip(),
m_enabled(false),
m_Animator(),
m_TabBar(tabbar),
m_Fader(0)
{
m_Animator.setPropertyName("fader");
m_Animator.setTargetObject(this);
}
//---------------------------------------------------------------------------------------------------------------------
float FancyTab::fader()
{
return m_Fader;
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTab::fadeIn()
{
m_Animator.stop();
m_Animator.setDuration(80);
m_Animator.setEndValue(40);
m_Animator.start();
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTab::fadeOut()
{
m_Animator.stop();
m_Animator.setDuration(160);
m_Animator.setEndValue(0);
m_Animator.start();
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTab::setFader(float value)
{
m_Fader = value;
m_TabBar->update();
}

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src/libs/vwidgets/fancytabbar/fancytab.h Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef FANCYTAB_H
#define FANCYTAB_H
#include <QIcon>
#include <QPropertyAnimation>
class FancyTab : public QObject
{
friend class FancyTabBar;
Q_OBJECT
Q_PROPERTY(float fader READ fader WRITE setFader)
public:
explicit FancyTab(QWidget *tabbar);
float fader();
void setFader(float value);
void fadeIn();
void fadeOut();
private:
Q_DISABLE_COPY(FancyTab)
QIcon m_icon;
QString m_text;
QString m_toolTip;
bool m_enabled;
QPropertyAnimation m_Animator;
QWidget *m_TabBar;
float m_Fader;
};
#endif // FANCYTAB_H

657
src/libs/vwidgets/fancytabbar/fancytabbar.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "fancytabbar.h"
#include "stylehelper.h"
#include <QMouseEvent>
#include <QPainter>
#include <QColor>
#include <QStackedLayout>
#include <QToolTip>
const int FancyTabBar::m_rounding = 22;
const int FancyTabBar::m_textPadding = 4;
//---------------------------------------------------------------------------------------------------------------------
FancyTabBar::FancyTabBar(const TabBarPosition position, QWidget *parent)
: QWidget(parent),
m_position(position),
m_hoverRect(),
m_hoverIndex(-1),
m_currentIndex(-1),
m_attachedTabs(),
m_timerTriggerChangedSignal()
{
if (m_position == FancyTabBar::Above || m_position == FancyTabBar::Below)
{
setMinimumHeight(qMax(2 * m_rounding, 40));
setMaximumHeight(TabSizeHint(false).height());
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
}
else
{
setMinimumWidth(qMax(2 * m_rounding, 40));
setMaximumWidth(TabSizeHint(false).width());
setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
}
setAttribute(Qt::WA_Hover, true);
setFocusPolicy(Qt::NoFocus);
setMouseTracking(true); // Needed for hover events
m_timerTriggerChangedSignal.setSingleShot(true);
// We use a zerotimer to keep the sidebar responsive
connect(&m_timerTriggerChangedSignal, &QTimer::timeout, this, &FancyTabBar::EmitCurrentIndex);
}
//---------------------------------------------------------------------------------------------------------------------
FancyTabBar::~FancyTabBar()
{
}
//---------------------------------------------------------------------------------------------------------------------
QSize FancyTabBar::TabSizeHint(bool minimum) const
{
QFont boldFont(font());
boldFont.setPointSizeF(StyleHelper::sidebarFontSize());
boldFont.setBold(true);
QFontMetrics fm(boldFont);
int spacing = 8;
int width = 60 + spacing + 2;
int maxLabelwidth = 0;
for (int tab=0 ; tab<Count() ;++tab)
{
int width = fm.width(TabText(tab));
if (width > maxLabelwidth)
{
maxLabelwidth = width;
}
}
int iconHeight = minimum ? 0 : 32;
return QSize(qMax(width, maxLabelwidth + 4), iconHeight + spacing + fm.height());
}
//---------------------------------------------------------------------------------------------------------------------
QPoint FancyTabBar::GetCorner(const QRect& rect, const Corner corner) const
{
switch(m_position)
{
case Above:
switch(corner)
{
case OutsideBeginning:
return rect.topLeft();
case OutsideEnd:
return rect.topRight();
case InsideBeginning:
return rect.bottomLeft();
case InsideEnd:
return rect.bottomRight();
default:
break;
}
case Below:
switch(corner)
{
case OutsideBeginning:
return rect.bottomLeft();
case OutsideEnd:
return rect.bottomRight();
case InsideBeginning:
return rect.topLeft();
case InsideEnd:
return rect.topRight();
default:
break;
}
case Left:
switch(corner)
{
case OutsideBeginning:
return rect.topLeft();
case OutsideEnd:
return rect.bottomLeft();
case InsideBeginning:
return rect.topRight();
case InsideEnd:
return rect.bottomRight();
default:
break;
}
case Right:
switch(corner)
{
case OutsideBeginning:
return rect.topRight();
case OutsideEnd:
return rect.bottomRight();
case InsideBeginning:
return rect.topLeft();
case InsideEnd:
return rect.bottomLeft();
default:
break;
}
default:
break;
}
Q_ASSERT("that's impossible!");
return QPoint();
}
//---------------------------------------------------------------------------------------------------------------------
// You can pass this method a QRect and tell it to move its edges to the outside (+)
// or inside (-) of the rect. For example, with a TabBar at the Above,
//
// adjustRect(QRect(0,0,10,10), 1, 2, 3, -4) // thats a 10 by 10 QRect, starting at 0/0
//
// gives
//
// QRect(-3, -1, 9, 13) // 9 by 13 rect, starting at -3/-1.
QRect FancyTabBar::AdjustRect(const QRect& rect, const qint8 offsetOutside, const qint8 offsetInside,
const qint8 offsetBeginning, const qint8 offsetEnd) const
{
switch(m_position)
{
case Above:
return rect.adjusted(-offsetBeginning, -offsetOutside, offsetEnd, offsetInside);
case Below:
return rect.adjusted(-offsetBeginning, -offsetInside, -offsetBeginning, offsetOutside);
case Left:
return rect.adjusted(-offsetOutside, -offsetBeginning, offsetInside, offsetEnd);
case Right:
return rect.adjusted(-offsetInside, -offsetBeginning, offsetOutside, offsetEnd);
default:
break;
}
Q_ASSERT("that's impossible!");
return QRect();
}
//---------------------------------------------------------------------------------------------------------------------
// Same with a point: + means towards Outside/End, - means towards Inside/Beginning
QPoint FancyTabBar::AdjustPoint(const QPoint& point, const qint8 offsetInsideOutside,
const qint8 offsetBeginningEnd) const
{
switch(m_position)
{
case Above:
return point + QPoint(offsetBeginningEnd, -offsetInsideOutside);
case Below:
return point + QPoint(offsetBeginningEnd, offsetInsideOutside);
case Left:
return point + QPoint(-offsetInsideOutside, offsetBeginningEnd);
case Right:
return point + QPoint(offsetInsideOutside, offsetBeginningEnd);
default:
break;
}
Q_ASSERT("that's impossible!");
return QPoint();
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter painter(this);
// paint background
QRect rectangle = AdjustRect(rect(), 0, -1, 0, 0);
QLinearGradient lg;
lg.setStart(GetCorner(rectangle, OutsideBeginning));
lg.setFinalStop(GetCorner(rectangle, InsideBeginning));
lg.setColorAt(0.0, QColor(64, 64, 64, 255));
lg.setColorAt(1.0, QColor(130, 130, 130, 255));
painter.fillRect(rectangle, lg);
// draw dark widget bordert on inner inside (e.g. bottom if the widget position is top)
painter.setPen(StyleHelper::borderColor());
painter.drawLine(AdjustPoint(GetCorner(rectangle, InsideBeginning), -1, 0),
AdjustPoint(GetCorner(rectangle, InsideEnd), -1, 0));
// draw bright widget border on outer inside (e.g. bottom if the widget position is top)
painter.setPen(StyleHelper::sidebarHighlight());
painter.drawLine(GetCorner(rectangle, InsideBeginning), GetCorner(rectangle, InsideEnd));
// paint inactive tabs
for (int i = 0; i < Count(); ++i)
{
if (i != CurrentIndex())
{
PaintTab(&painter, i);
}
}
// paint active tab last, since it overlaps the neighbors
if (CurrentIndex() != -1)
{
PaintTab(&painter, CurrentIndex());
}
}
//---------------------------------------------------------------------------------------------------------------------
// Handle hover events for mouse fade ins
void FancyTabBar::mouseMoveEvent(QMouseEvent *e)
{
int newHover = -1;
for (int i = 0; i < Count(); ++i)
{
QRect area = TabRect(i);
if (area.contains(e->pos()))
{
newHover = i;
break;
}
}
if (newHover == m_hoverIndex)
{
return;
}
if (ValidIndex(m_hoverIndex))
{
m_attachedTabs[m_hoverIndex]->fadeOut();
}
m_hoverIndex = newHover;
if (ValidIndex(m_hoverIndex))
{
m_attachedTabs[m_hoverIndex]->fadeIn();
m_hoverRect = TabRect(m_hoverIndex);
}
}
//---------------------------------------------------------------------------------------------------------------------
bool FancyTabBar::event(QEvent *event)
{
if (event->type() == QEvent::ToolTip)
{
if (ValidIndex(m_hoverIndex))
{
QString tt = TabToolTip(m_hoverIndex);
if (!tt.isEmpty())
{
QToolTip::showText(static_cast<QHelpEvent*>(event)->globalPos(), tt, this);
return true;
}
}
}
return QWidget::event(event);
}
//---------------------------------------------------------------------------------------------------------------------
// Resets hover animation on mouse enter
void FancyTabBar::enterEvent(QEvent *e)
{
Q_UNUSED(e)
m_hoverRect = QRect();
m_hoverIndex = -1;
}
//---------------------------------------------------------------------------------------------------------------------
// Resets hover animation on mouse leave
void FancyTabBar::leaveEvent(QEvent *e)
{
Q_UNUSED(e)
m_hoverIndex = -1;
m_hoverRect = QRect();
for (int i = 0 ; i < m_attachedTabs.count() ; ++i)
{
m_attachedTabs[i]->fadeOut();
}
}
//---------------------------------------------------------------------------------------------------------------------
bool FancyTabBar::ValidIndex(int index) const
{
return index >= 0 && index < m_attachedTabs.count();
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::SetOrientation(const FancyTabBar::TabBarPosition p)
{
m_position = p;
}
//---------------------------------------------------------------------------------------------------------------------
QSize FancyTabBar::sizeHint() const
{
QSize sh = TabSizeHint();
// return QSize(sh.width(), sh.height() * mAttachedTabs.count());
if (m_position == Above || m_position == Below)
{
return QSize(sh.width() * m_attachedTabs.count(), sh.height());
}
else
{
return QSize(sh.width(), sh.height() * m_attachedTabs.count());
}
}
//---------------------------------------------------------------------------------------------------------------------
QSize FancyTabBar::minimumSizeHint() const
{
const QSize sh = TabSizeHint(true);
// return QSize(sh.width(), sh.height() * mAttachedTabs.count());
if(m_position == Above || m_position == Below)
{
return QSize(sh.width() * m_attachedTabs.count(), sh.height());
}
else
{
return QSize(sh.width(), sh.height() * m_attachedTabs.count());
}
}
//---------------------------------------------------------------------------------------------------------------------
QRect FancyTabBar::TabRect(int index) const
{
QSize sh = TabSizeHint();
if(m_position == Above || m_position == Below)
{
if (sh.width() * m_attachedTabs.count() > width())
{
sh.setWidth(width() / m_attachedTabs.count());
}
return QRect(index * sh.width(), 0, sh.width(), sh.height());
}
else
{
if (sh.height() * m_attachedTabs.count() > height())
{
sh.setHeight(height() / m_attachedTabs.count());
}
return QRect(0, index * sh.height(), sh.width(), sh.height());
}
}
//---------------------------------------------------------------------------------------------------------------------
// This keeps the sidebar responsive since
// we get a repaint before loading the
// mode itself
void FancyTabBar::EmitCurrentIndex()
{
emit CurrentChanged(m_currentIndex);
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::mousePressEvent(QMouseEvent *e)
{
e->accept();
for (int index = 0; index < m_attachedTabs.count(); ++index)
{
if (TabRect(index).contains(e->pos()))
{
if (IsTabEnabled(index))
{
m_currentIndex = index;
update();
m_timerTriggerChangedSignal.start(0);
}
break;
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::PaintTab(QPainter *painter, int tabIndex) const
{
if (!ValidIndex(tabIndex))
{
qWarning("invalid index");
return;
}
painter->save();
QRect rect = TabRect(tabIndex);
bool selected = (tabIndex == m_currentIndex);
bool enabled = IsTabEnabled(tabIndex);
if(selected)
{
// background
painter->save();
QLinearGradient grad(GetCorner(rect, OutsideBeginning), GetCorner(rect, InsideBeginning));
grad.setColorAt(0, QColor(255, 255, 255, 140));
grad.setColorAt(1, QColor(255, 255, 255, 210));
painter->fillRect(AdjustRect(rect, 0, 0, 0, -1), grad);
painter->restore();
// shadows (the black lines immediately before/after (active && selected)-backgrounds)
painter->setPen(QColor(0, 0, 0, 110));
painter->drawLine(AdjustPoint(GetCorner(rect, OutsideBeginning), 0, -1),
AdjustPoint(GetCorner(rect, InsideBeginning), 0, -1));
painter->drawLine(GetCorner(rect, OutsideEnd), GetCorner(rect, InsideEnd));
// thin shadow on the outside of active tab
painter->setPen(QColor(0, 0, 0, 40));
painter->drawLine(GetCorner(rect, OutsideBeginning), GetCorner(rect, OutsideEnd));
// highlights
painter->setPen(QColor(255, 255, 255, 50));
painter->drawLine(AdjustPoint(GetCorner(rect, OutsideBeginning), 0, -2),
AdjustPoint(GetCorner(rect, InsideBeginning), 0, -2));
painter->drawLine(AdjustPoint(GetCorner(rect, OutsideEnd), 0, 1),
AdjustPoint(GetCorner(rect, InsideEnd), 0, 1));
painter->setPen(QColor(255, 255, 255, 40));
// thin white line towards beginning
painter->drawLine(AdjustPoint(GetCorner(rect, OutsideBeginning), 0, 0),
AdjustPoint(GetCorner(rect, InsideBeginning), 0, 0));
// thin white line on inside border
painter->drawLine(AdjustPoint(GetCorner(rect, InsideBeginning), 0, 1),
AdjustPoint(GetCorner(rect, InsideEnd), 0, -1));
// thin white line towards end
painter->drawLine(AdjustPoint(GetCorner(rect, OutsideEnd), 0, -1),
AdjustPoint(GetCorner(rect, InsideEnd), 0, -1));
}
QString tabText(this->TabText(tabIndex));
QRect tabTextRect(rect);
const bool drawIcon = rect.height() > 36;
QRect tabIconRect(tabTextRect);
tabTextRect.translate(0, drawIcon ? -2 : 1);
QFont boldFont(painter->font());
boldFont.setPointSizeF(StyleHelper::sidebarFontSize());
boldFont.setBold(true);
painter->setFont(boldFont);
painter->setPen(selected ? QColor(255, 255, 255, 160) : QColor(0, 0, 0, 110));
const int textFlags = Qt::AlignCenter | (drawIcon ? Qt::AlignBottom : Qt::AlignVCenter) | Qt::TextWordWrap;
if (enabled)
{
painter->drawText(tabTextRect, textFlags, tabText);
painter->setPen(selected ? QColor(60, 60, 60) : StyleHelper::panelTextColor());
}
else
{
painter->setPen(selected ? StyleHelper::panelTextColor() : QColor(255, 255, 255, 120));
}
#if defined(Q_OS_MAC)
bool isMac=true;
#else
bool isMac = false;
#endif
// hover
if(!isMac && !selected && enabled)
{
painter->save();
int fader = int(m_attachedTabs[tabIndex]->fader());
QLinearGradient grad(GetCorner(rect, OutsideBeginning), GetCorner(rect, InsideBeginning));
grad.setColorAt(0, Qt::transparent);
grad.setColorAt(0.5, QColor(255, 255, 255, fader));
grad.setColorAt(1, Qt::transparent);
painter->fillRect(rect, grad);
painter->setPen(QPen(grad, 1.0));
if(m_position == Above || m_position == Below)
{
painter->drawLine(rect.topLeft(), rect.bottomLeft());
painter->drawLine(rect.topRight(), rect.bottomRight());
}
else
{
painter->drawLine(rect.topLeft(), rect.topRight());
painter->drawLine(rect.bottomLeft(), rect.bottomRight());
}
painter->restore();
}
if (!enabled)
{
painter->setOpacity(0.7);
}
if (drawIcon)
{
int textHeight = painter->fontMetrics().boundingRect(QRect(0, 0, width(), height()), Qt::TextWordWrap,
tabText).height();
tabIconRect.adjust(0, 4, 0, -textHeight);
StyleHelper::drawIconWithShadow(TabIcon(tabIndex), tabIconRect, painter,
enabled ? QIcon::Normal : QIcon::Disabled);
}
painter->translate(0, -1);
painter->drawText(tabTextRect, textFlags, tabText);
painter->restore();
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::SetCurrentIndex(int index)
{
if (IsTabEnabled(index))
{
m_currentIndex = index;
update();
emit CurrentChanged(m_currentIndex);
}
}
//---------------------------------------------------------------------------------------------------------------------
int FancyTabBar::CurrentIndex() const
{
return m_currentIndex;
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::SetTabToolTip(int index, QString toolTip)
{
m_attachedTabs[index]->m_toolTip = toolTip;
}
//---------------------------------------------------------------------------------------------------------------------
QString FancyTabBar::TabToolTip(int index) const
{
return m_attachedTabs.at(index)->m_toolTip;
}
//---------------------------------------------------------------------------------------------------------------------
QIcon FancyTabBar::TabIcon(int index) const
{
return m_attachedTabs.at(index)->m_icon;
}
//---------------------------------------------------------------------------------------------------------------------
QString FancyTabBar::TabText(int index) const
{
return m_attachedTabs.at(index)->m_text;
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::SetTabText(int index, QString text) const
{
m_attachedTabs.at(index)->m_text=text;
}
//---------------------------------------------------------------------------------------------------------------------
int FancyTabBar::Count() const
{
return m_attachedTabs.count();
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::SetTabEnabled(int index, bool enable)
{
Q_ASSERT(index < m_attachedTabs.size());
Q_ASSERT(index >= 0);
if (index < m_attachedTabs.size() && index >= 0)
{
m_attachedTabs[index]->m_enabled = enable;
update(TabRect(index));
}
}
//---------------------------------------------------------------------------------------------------------------------
bool FancyTabBar::IsTabEnabled(int index) const
{
Q_ASSERT(index < m_attachedTabs.size());
Q_ASSERT(index >= 0);
if (index < m_attachedTabs.size() && index >= 0)
{
return m_attachedTabs[index]->m_enabled;
}
return false;
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::InsertTab(int index, const QIcon &icon, const QString &label)
{
FancyTab *tab = new FancyTab(this);
tab->m_icon = icon;
tab->m_text = label;
m_attachedTabs.insert(index, tab);
}
//---------------------------------------------------------------------------------------------------------------------
void FancyTabBar::RemoveTab(int index)
{
FancyTab *tab = m_attachedTabs.takeAt(index);
delete tab;
}

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src/libs/vwidgets/fancytabbar/fancytabbar.h Normal file
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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef FANCYTABWIDGET_H
#define FANCYTABWIDGET_H
#include <QIcon>
#include <QWidget>
#include <QTimer>
#include <QPropertyAnimation>
class QPainter;
#include "fancytab.h"
class FancyTabBar : public QWidget
{
Q_OBJECT
public:
enum TabBarPosition
{
Above,
Below,
Left,
Right
};
FancyTabBar(const TabBarPosition position, QWidget *parent = nullptr);
virtual ~FancyTabBar();
virtual QSize sizeHint() const Q_DECL_OVERRIDE;
virtual QSize minimumSizeHint() const Q_DECL_OVERRIDE;
void SetOrientation(const TabBarPosition p);
void SetTabEnabled(int index, bool enable);
bool IsTabEnabled(int index) const;
void InsertTab(int index, const QIcon &icon, const QString &label);
void RemoveTab(int index);
void SetCurrentIndex(int index);
int CurrentIndex() const;
void SetTabToolTip(int index, QString toolTip);
QString TabToolTip(int index) const;
QIcon TabIcon(int index) const;
QString TabText(int index) const;
void SetTabText(int index, QString text) const;
int Count() const;
QRect TabRect(int index) const;
signals:
void CurrentChanged(int);
protected:
virtual bool event(QEvent *event) Q_DECL_OVERRIDE;
virtual void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
virtual void mousePressEvent(QMouseEvent *) Q_DECL_OVERRIDE;
virtual void mouseMoveEvent(QMouseEvent *) Q_DECL_OVERRIDE;
virtual void enterEvent(QEvent *) Q_DECL_OVERRIDE;
virtual void leaveEvent(QEvent *) Q_DECL_OVERRIDE;
private slots:
void EmitCurrentIndex();
private:
Q_DISABLE_COPY(FancyTabBar)
enum Corner { OutsideBeginning, OutsideEnd, InsideBeginning, InsideEnd };
static const int m_rounding;
static const int m_textPadding;
TabBarPosition m_position;
QRect m_hoverRect;
int m_hoverIndex;
int m_currentIndex;
QList<FancyTab*> m_attachedTabs;
QTimer m_timerTriggerChangedSignal;
QPoint GetCorner(const QRect& rect, const Corner corner) const;
QRect AdjustRect(const QRect& rect, const qint8 offsetOutside, const qint8 offsetInside, const qint8 offsetStart,
const qint8 offsetEnd) const;
// Same with a point. + means towards Outside/End, - means towards Inside/Beginning
QPoint AdjustPoint(const QPoint& point, const qint8 offsetInsideOutside, const qint8 offsetBeginningEnd) const;
QSize TabSizeHint(bool minimum = false) const;
void PaintTab(QPainter *painter, int tabIndex) const;
bool ValidIndex(int index) const;
};
#endif // FANCYTABWIDGET_H

194
src/libs/vwidgets/fancytabbar/stylehelper.cpp Normal file
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@ -0,0 +1,194 @@
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "stylehelper.h"
#include <QPixmapCache>
#include <QWidget>
#include <QRect>
#include <QPainter>
#include <QApplication>
#include <QPalette>
#include <QStyleOption>
#include <QObject>
//---------------------------------------------------------------------------------------------------------------------
qreal StyleHelper::sidebarFontSize()
{
#if defined(Q_OS_MAC)
return 10;
#else
return 7.5;
#endif
}
//---------------------------------------------------------------------------------------------------------------------
QColor StyleHelper::panelTextColor(bool lightColored)
{
//qApp->palette().highlightedText().color();
if (!lightColored)
{
return Qt::white;
}
else
{
return Qt::black;
}
}
//---------------------------------------------------------------------------------------------------------------------
// Invalid by default, setBaseColor needs to be called at least once
QColor StyleHelper::m_baseColor;
QColor StyleHelper::m_requestedBaseColor;
//---------------------------------------------------------------------------------------------------------------------
QColor StyleHelper::baseColor(bool lightColored)
{
if (!lightColored)
{
return m_baseColor;
}
else
{
return m_baseColor.lighter(230);
}
}
//---------------------------------------------------------------------------------------------------------------------
QColor StyleHelper::borderColor(bool lightColored)
{
QColor result = baseColor(lightColored);
result.setHsv(result.hue(),
result.saturation(),
result.value() / 2);
return result;
}
//---------------------------------------------------------------------------------------------------------------------
QColor StyleHelper::sidebarHighlight()
{
return QColor(255, 255, 255, 40);
}
//---------------------------------------------------------------------------------------------------------------------
// We try to ensure that the actual color used are within
// reasonalbe bounds while generating the actual baseColor
// from the users request.
void StyleHelper::setBaseColor(const QColor &newcolor)
{
m_requestedBaseColor = newcolor;
QColor color;
color.setHsv(newcolor.hue(),
static_cast<int>(newcolor.saturation() * 0.7),
64 + newcolor.value() / 3);
if (color.isValid() && color != m_baseColor)
{
m_baseColor = color;
foreach (QWidget *w, QApplication::topLevelWidgets())
{
w->update();
}
}
}
//---------------------------------------------------------------------------------------------------------------------
// Draws a cached pixmap with shadow
void StyleHelper::drawIconWithShadow(const QIcon &icon, const QRect &rect, QPainter *p, QIcon::Mode iconMode,
int radius, const QColor &color, const QPoint &offset)
{
QPixmap cache;
QString pixmapName = QString::fromLatin1("icon %0 %1 %2").arg(icon.cacheKey()).arg(iconMode).arg(rect.height());
if (!QPixmapCache::find(pixmapName, cache))
{
QPixmap px = icon.pixmap(rect.size());
cache = QPixmap(px.size() + QSize(radius * 2, radius * 2));
cache.fill(Qt::transparent);
QPainter cachePainter(&cache);
if (iconMode == QIcon::Disabled)
{
QImage im = px.toImage().convertToFormat(QImage::Format_ARGB32);
for (int y=0; y<im.height(); ++y)
{
QRgb *scanLine = reinterpret_cast<QRgb *>(im.scanLine(y));
for (int x=0; x<im.width(); ++x)
{
QRgb pixel = *scanLine;
char intensity = static_cast<char>(qGray(pixel));
*scanLine = qRgba(intensity, intensity, intensity, qAlpha(pixel));
++scanLine;
}
}
px = QPixmap::fromImage(im);
}
// Draw shadow
QImage tmp(px.size() + QSize(radius * 2, radius * 2 + 1), QImage::Format_ARGB32_Premultiplied);
tmp.fill(Qt::transparent);
QPainter tmpPainter(&tmp);
tmpPainter.setCompositionMode(QPainter::CompositionMode_Source);
tmpPainter.drawPixmap(QPoint(radius, radius), px);
tmpPainter.end();
// blur the alpha channel
QImage blurred(tmp.size(), QImage::Format_ARGB32_Premultiplied);
blurred.fill(Qt::transparent);
QPainter blurPainter(&blurred);
qt_blurImage(&blurPainter, tmp, radius, false, true);
blurPainter.end();
tmp = blurred;
// blacken the image...
tmpPainter.begin(&tmp);
tmpPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
tmpPainter.fillRect(tmp.rect(), color);
tmpPainter.end();
tmpPainter.begin(&tmp);
tmpPainter.setCompositionMode(QPainter::CompositionMode_SourceIn);
tmpPainter.fillRect(tmp.rect(), color);
tmpPainter.end();
// draw the blurred drop shadow...
cachePainter.drawImage(QRect(0, 0, cache.rect().width(), cache.rect().height()), tmp);
// Draw the actual pixmap...
cachePainter.drawPixmap(QPoint(radius, radius) + offset, px);
QPixmapCache::insert(pixmapName, cache);
}
QRect targetRect = cache.rect();
targetRect.moveCenter(rect.center());
p->drawPixmap(targetRect.topLeft() - offset, cache);
}

68
src/libs/vwidgets/fancytabbar/stylehelper.h Normal file
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@ -0,0 +1,68 @@
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef STYLEHELPER_H
#define STYLEHELPER_H
#include <QColor>
#include <QStyle>
class QPalette;
class QPainter;
class QRect;
// Note, this is exported but in a private header as qtopengl depends on it.
// We should consider adding this as a public helper function.
void qt_blurImage(QPainter *p, QImage &blurImage, qreal radius, bool quality, bool alphaOnly, int transposed = 0);
// Helper class holding all custom color values
class StyleHelper
{
public:
static const unsigned int DEFAULT_BASE_COLOR = 0x666666;
static qreal sidebarFontSize();
// This is our color table, all colors derive from baseColor
static QColor baseColor(bool lightColored = false);
static QColor panelTextColor(bool lightColored = false);
static QColor borderColor(bool lightColored = false);
static QColor sidebarHighlight();
// Sets the base color and makes sure all top level widgets are updated
static void setBaseColor(const QColor &color);
static void drawIconWithShadow(const QIcon &icon, const QRect &rect, QPainter *p, QIcon::Mode iconMode,
int radius = 3, const QColor &color = QColor(0, 0, 0, 130),
const QPoint &offset = QPoint(1, -2));
private:
static QColor m_baseColor;
static QColor m_requestedBaseColor;
};
#endif // STYLEHELPER_H

10
src/libs/vwidgets/vwidgets.pri
View File

@ -14,7 +14,10 @@ SOURCES += \
$$PWD/vabstractmainwindow.cpp \ $$PWD/vabstractmainwindow.cpp \
$$PWD/vtextgraphicsitem.cpp \ $$PWD/vtextgraphicsitem.cpp \
$$PWD/vgrainlineitem.cpp \ $$PWD/vgrainlineitem.cpp \
$$PWD/vpieceitem.cpp $$PWD/vpieceitem.cpp \
$$PWD/fancytabbar/fancytab.cpp \
$$PWD/fancytabbar/fancytabbar.cpp \
$$PWD/fancytabbar/stylehelper.cpp
win32-msvc*:SOURCES += $$PWD/stable.cpp win32-msvc*:SOURCES += $$PWD/stable.cpp
@ -32,4 +35,7 @@ HEADERS += \
$$PWD/vabstractmainwindow.h \ $$PWD/vabstractmainwindow.h \
$$PWD/vtextgraphicsitem.h \ $$PWD/vtextgraphicsitem.h \
$$PWD/vgrainlineitem.h \ $$PWD/vgrainlineitem.h \
$$PWD/vpieceitem.h $$PWD/vpieceitem.h \
$$PWD/fancytabbar/fancytab.h \
$$PWD/fancytabbar/fancytabbar.h \
$$PWD/fancytabbar/stylehelper.h