2016-11-24 07:07:51 +00:00
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/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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2020-08-02 22:10:35 +00:00
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SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
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2016-11-24 07:07:51 +00:00
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2020-08-02 22:10:35 +00:00
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SPDX-License-Identifier: GPL-2.0-or-later
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2016-11-24 07:07:51 +00:00
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*********************************************************************/
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#ifndef KWIN_COLORPICKER_H
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#define KWIN_COLORPICKER_H
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#include <kwineffects.h>
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#include <QDBusContext>
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#include <QDBusMessage>
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#include <QDBusUnixFileDescriptor>
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#include <QObject>
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#include <QColor>
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namespace KWin
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{
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class ColorPickerEffect : public Effect, protected QDBusContext
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{
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Q_OBJECT
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Q_CLASSINFO("D-Bus Interface", "org.kde.kwin.ColorPicker")
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public:
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ColorPickerEffect();
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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
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~ColorPickerEffect() override;
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2019-10-29 22:04:15 +00:00
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void paintScreen(int mask, const QRegion ®ion, ScreenPaintData &data) override;
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2016-11-24 07:07:51 +00:00
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void postPaintScreen() override;
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bool isActive() const override;
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int requestedEffectChainPosition() const override {
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return 50;
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}
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static bool supported();
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public Q_SLOTS:
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Q_SCRIPTABLE QColor pick();
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private:
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void showInfoMessage();
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void hideInfoMessage();
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QDBusMessage m_replyMessage;
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QRect m_cachedOutputGeometry;
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QPoint m_scheduledPosition;
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bool m_picking = false;
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};
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} // namespace
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#endif
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