kwin/effects/flipswitch/flipswitch.h

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2008, 2009 Martin Gräßlin <mgraesslin@kde.org>
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) any later version.
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/>.
*********************************************************************/
#ifndef KWIN_FLIPSWITCH_H
#define KWIN_FLIPSWITCH_H
#include <kwineffects.h>
#include <QMatrix4x4>
#include <QQueue>
#include <QTimeLine>
#include <QFont>
namespace KWin
{
class FlipSwitchEffect
: public Effect
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{
Q_OBJECT
Q_PROPERTY(bool tabBox READ isTabBox)
Q_PROPERTY(bool tabBoxAlternative READ isTabBoxAlternative)
Q_PROPERTY(int duration READ duration)
Q_PROPERTY(int angle READ angle)
Q_PROPERTY(qreal xPosition READ xPosition)
Q_PROPERTY(qreal yPosition READ yPosition)
Q_PROPERTY(bool windowTitle READ isWindowTitle)
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public:
FlipSwitchEffect();
Run clang-tidy with modernize-use-override check Summary: Currently code base of kwin can be viewed as two pieces. One is very ancient, and the other one is more modern, which uses new C++ features. The main problem with the ancient code is that it was written before C++11 era. So, no override or final keywords, lambdas, etc. Quite recently, KDE compiler settings were changed to show a warning if a virtual method has missing override keyword. As you might have already guessed, this fired back at us because of that ancient code. We had about 500 new compiler warnings. A "solution" was proposed to that problem - disable -Wno-suggest-override and the other similar warning for clang. It's hard to call a solution because those warnings are disabled not only for the old code, but also for new. This is not what we want! The main argument for not actually fixing the problem was that git history will be screwed as well because of human factor. While good git history is a very important thing, we should not go crazy about it and block every change that somehow alters git history. git blame allows to specify starting revision for a reason. The other argument (human factor) can be easily solved by using tools such as clang-tidy. clang-tidy is a clang-based linter for C++. It can be used for various things, e.g. fixing coding style(e.g. add missing braces to if statements, readability-braces-around-statements check), or in our case add missing override keywords. Test Plan: Compiles. Reviewers: #kwin, davidedmundson Reviewed By: #kwin, davidedmundson Subscribers: davidedmundson, apol, romangg, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D22371
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~FlipSwitchEffect() override;
Run clang-tidy with modernize-use-override check Summary: Currently code base of kwin can be viewed as two pieces. One is very ancient, and the other one is more modern, which uses new C++ features. The main problem with the ancient code is that it was written before C++11 era. So, no override or final keywords, lambdas, etc. Quite recently, KDE compiler settings were changed to show a warning if a virtual method has missing override keyword. As you might have already guessed, this fired back at us because of that ancient code. We had about 500 new compiler warnings. A "solution" was proposed to that problem - disable -Wno-suggest-override and the other similar warning for clang. It's hard to call a solution because those warnings are disabled not only for the old code, but also for new. This is not what we want! The main argument for not actually fixing the problem was that git history will be screwed as well because of human factor. While good git history is a very important thing, we should not go crazy about it and block every change that somehow alters git history. git blame allows to specify starting revision for a reason. The other argument (human factor) can be easily solved by using tools such as clang-tidy. clang-tidy is a clang-based linter for C++. It can be used for various things, e.g. fixing coding style(e.g. add missing braces to if statements, readability-braces-around-statements check), or in our case add missing override keywords. Test Plan: Compiles. Reviewers: #kwin, davidedmundson Reviewed By: #kwin, davidedmundson Subscribers: davidedmundson, apol, romangg, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D22371
2019-07-22 16:52:26 +00:00
void reconfigure(ReconfigureFlags) override;
void prePaintScreen(ScreenPrePaintData& data, int time) override;
void paintScreen(int mask, const QRegion &region, ScreenPaintData& data) override;
Run clang-tidy with modernize-use-override check Summary: Currently code base of kwin can be viewed as two pieces. One is very ancient, and the other one is more modern, which uses new C++ features. The main problem with the ancient code is that it was written before C++11 era. So, no override or final keywords, lambdas, etc. Quite recently, KDE compiler settings were changed to show a warning if a virtual method has missing override keyword. As you might have already guessed, this fired back at us because of that ancient code. We had about 500 new compiler warnings. A "solution" was proposed to that problem - disable -Wno-suggest-override and the other similar warning for clang. It's hard to call a solution because those warnings are disabled not only for the old code, but also for new. This is not what we want! The main argument for not actually fixing the problem was that git history will be screwed as well because of human factor. While good git history is a very important thing, we should not go crazy about it and block every change that somehow alters git history. git blame allows to specify starting revision for a reason. The other argument (human factor) can be easily solved by using tools such as clang-tidy. clang-tidy is a clang-based linter for C++. It can be used for various things, e.g. fixing coding style(e.g. add missing braces to if statements, readability-braces-around-statements check), or in our case add missing override keywords. Test Plan: Compiles. Reviewers: #kwin, davidedmundson Reviewed By: #kwin, davidedmundson Subscribers: davidedmundson, apol, romangg, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D22371
2019-07-22 16:52:26 +00:00
void postPaintScreen() override;
void prePaintWindow(EffectWindow *w, WindowPrePaintData &data, int time) override;
void paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data) override;
void grabbedKeyboardEvent(QKeyEvent* e) override;
void windowInputMouseEvent(QEvent* e) override;
bool isActive() const override;
int requestedEffectChainPosition() const override {
return 50;
}
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static bool supported();
// for properties
bool isTabBox() const {
return m_tabbox;
}
bool isTabBoxAlternative() const {
return m_tabboxAlternative;
}
int duration() const {
return m_timeLine.duration();
}
int angle() const {
return m_angle;
}
qreal xPosition() const {
return m_xPosition;
}
qreal yPosition() const {
return m_yPosition;
}
bool isWindowTitle() const {
return m_windowTitle;
}
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private Q_SLOTS:
void toggleActiveCurrent();
void toggleActiveAllDesktops();
void globalShortcutChanged(QAction *action, const QKeySequence &shortcut);
void slotWindowAdded(KWin::EffectWindow* w);
void slotWindowClosed(KWin::EffectWindow *w);
void slotTabBoxAdded(int mode);
void slotTabBoxClosed();
void slotTabBoxUpdated();
void slotTabBoxKeyEvent(QKeyEvent* event);
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private:
class ItemInfo;
enum SwitchingDirection {
DirectionForward,
DirectionBackward
};
enum FlipSwitchMode {
TabboxMode,
CurrentDesktopMode,
AllDesktopsMode
};
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void setActive(bool activate, FlipSwitchMode mode);
bool isSelectableWindow(EffectWindow *w) const;
void scheduleAnimation(const SwitchingDirection& direction, int distance = 1);
void adjustWindowMultiScreen(const EffectWindow *w, WindowPaintData& data);
void selectNextOrPreviousWindow(bool forward);
inline void selectNextWindow() { selectNextOrPreviousWindow(true); }
inline void selectPreviousWindow() { selectNextOrPreviousWindow(false); }
/**
* Updates the caption of the caption frame.
* Taking care of rewording the desktop client.
* As well sets the icon for the caption frame.
*/
void updateCaption();
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QQueue< SwitchingDirection> m_scheduledDirections;
EffectWindow* m_selectedWindow;
QTimeLine m_timeLine;
QTimeLine m_startStopTimeLine;
QTimeLine::CurveShape m_currentAnimationShape;
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QRect m_screenArea;
int m_activeScreen;
bool m_active;
bool m_start;
bool m_stop;
bool m_animation;
bool m_hasKeyboardGrab;
FlipSwitchMode m_mode;
EffectFrame* m_captionFrame;
QFont m_captionFont;
EffectWindowList m_flipOrderedWindows;
QHash< const EffectWindow*, ItemInfo* > m_windows;
QMatrix4x4 m_projectionMatrix;
QMatrix4x4 m_modelviewMatrix;
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// options
bool m_tabbox;
bool m_tabboxAlternative;
float m_angle;
float m_xPosition;
float m_yPosition;
bool m_windowTitle;
// Shortcuts
QList<QKeySequence> m_shortcutCurrent;
QList<QKeySequence> m_shortcutAll;
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};
class FlipSwitchEffect::ItemInfo
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{
public:
ItemInfo();
~ItemInfo();
bool deleted;
double opacity;
double brightness;
double saturation;
};
} // namespace
#endif