Bogir-decorations/breezedecoration.h

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2020-04-25 21:20:33 +00:00
#ifndef BREEZE_DECORATION_H
#define BREEZE_DECORATION_H
/*
* Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
* Copyright 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "breeze.h"
#include "breezesettings.h"
#include <KDecoration2/Decoration>
#include <KDecoration2/DecoratedClient>
#include <KDecoration2/DecorationSettings>
#include <QPalette>
#include <QPropertyAnimation>
#include <QVariant>
namespace KDecoration2
{
class DecorationButton;
class DecorationButtonGroup;
}
namespace Breeze
{
class SizeGrip;
class Decoration : public KDecoration2::Decoration
{
Q_OBJECT
//* declare active state opacity
Q_PROPERTY( qreal opacity READ opacity WRITE setOpacity )
public:
//* constructor
explicit Decoration(QObject *parent = nullptr, const QVariantList &args = QVariantList());
//* destructor
virtual ~Decoration();
//* paint
void paint(QPainter *painter, const QRect &repaintRegion) override;
//* internal settings
InternalSettingsPtr internalSettings() const
{ return m_internalSettings; }
//* caption height
int captionHeight() const;
//* button height
int buttonHeight() const;
//* icon size
int iconSize() const;
//*@name active state change animation
//@{
void setOpacity( qreal );
qreal opacity() const
{ return m_opacity; }
//@}
//*@name colors
//@{
QColor titleBarColor() const;
QColor outlineColor() const;
QColor fontColor() const;
//@}
//*@name maximization modes
//@{
inline bool isMaximized() const;
inline bool isMaximizedHorizontally() const;
inline bool isMaximizedVertically() const;
inline bool isLeftEdge() const;
inline bool isRightEdge() const;
inline bool isTopEdge() const;
inline bool isBottomEdge() const;
inline bool hideTitleBar() const;
//@}
public Q_SLOTS:
void init() override;
private Q_SLOTS:
void reconfigure();
void recalculateBorders();
void updateButtonsGeometry();
void updateButtonsGeometryDelayed();
void updateTitleBar();
void updateAnimationState();
void updateSizeGripVisibility();
private:
//* return the rect in which caption will be drawn
QPair<QRect,Qt::Alignment> captionRect() const;
void createButtons();
void paintTitleBar(QPainter *painter, const QRect &repaintRegion);
void createShadow();
//*@name border size
//@{
int borderSize(bool bottom = false) const;
inline bool hasBorders() const;
inline bool hasNoBorders() const;
inline bool hasNoSideBorders() const;
//@}
//*@name color customization
//@{
inline bool opaqueTitleBar() const;
inline int titleBarAlpha() const;
//@}
//*@name size grip
//@{
void createSizeGrip();
void deleteSizeGrip();
SizeGrip* sizeGrip() const
{ return m_sizeGrip; }
//@}
InternalSettingsPtr m_internalSettings;
KDecoration2::DecorationButtonGroup *m_leftButtons = nullptr;
KDecoration2::DecorationButtonGroup *m_rightButtons = nullptr;
//* size grip widget
SizeGrip *m_sizeGrip = nullptr;
//* active state change animation
QPropertyAnimation *m_animation;
//* active state change opacity
qreal m_opacity = 0;
};
bool Decoration::hasBorders() const
{
if( m_internalSettings && m_internalSettings->mask() & BorderSize ) return m_internalSettings->borderSize() > InternalSettings::BorderNoSides;
else return settings()->borderSize() > KDecoration2::BorderSize::NoSides;
}
bool Decoration::hasNoBorders() const
{
if( m_internalSettings && m_internalSettings->mask() & BorderSize ) return m_internalSettings->borderSize() == InternalSettings::BorderNone;
else return settings()->borderSize() == KDecoration2::BorderSize::None;
}
bool Decoration::hasNoSideBorders() const
{
if( m_internalSettings && m_internalSettings->mask() & BorderSize ) return m_internalSettings->borderSize() == InternalSettings::BorderNoSides;
else return settings()->borderSize() == KDecoration2::BorderSize::NoSides;
}
bool Decoration::isMaximized() const
{ return client().data()->isMaximized() && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::isMaximizedHorizontally() const
{ return client().data()->isMaximizedHorizontally() && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::isMaximizedVertically() const
{ return client().data()->isMaximizedVertically() && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::isLeftEdge() const
{ return (client().data()->isMaximizedHorizontally() || client().data()->adjacentScreenEdges().testFlag( Qt::LeftEdge ) ) && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::isRightEdge() const
{ return (client().data()->isMaximizedHorizontally() || client().data()->adjacentScreenEdges().testFlag( Qt::RightEdge ) ) && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::isTopEdge() const
{ return (client().data()->isMaximizedVertically() || client().data()->adjacentScreenEdges().testFlag( Qt::TopEdge ) ) && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::isBottomEdge() const
{ return (client().data()->isMaximizedVertically() || client().data()->adjacentScreenEdges().testFlag( Qt::BottomEdge ) ) && !m_internalSettings->drawBorderOnMaximizedWindows(); }
bool Decoration::hideTitleBar() const
{ return m_internalSettings->hideTitleBar() && !client().data()->isShaded(); }
bool Decoration::opaqueTitleBar() const
{ return m_internalSettings->opaqueTitleBar(); }
int Decoration::titleBarAlpha() const
{
if (m_internalSettings->opaqueTitleBar())
return 255;
int a = m_internalSettings->opacityOverride() > -1 ? m_internalSettings->opacityOverride()
: m_internalSettings->backgroundOpacity();
a = qBound(0, a, 100);
return qRound(static_cast<qreal>(a) * static_cast<qreal>(2.55));
}
}
#endif