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[effects/sheet] Decrease the default animation duration

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Summary:
For some historical reasons, the sheet effect uses animation duration of
500ms. In comparison to other effects that animate the appearing and the
disappearing of windows, 500ms is too high value for the duration.

As the title says, this change decreases the default animation duration
to 300ms. The new duration is more saner.

The opacity is animated to make the effect look smoother with the
shorter animation duration.

BUG: 400021
FIXED-IN: 5.15.0

Reviewers: #kwin, graesslin

Reviewed By: #kwin, graesslin

Subscribers: kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D16359
This commit is contained in:
Vlad Zagorodniy 2018-10-21 19:46:51 +03:00
parent 94a4675e63
commit 57f313e500
1 changed files with 3 additions and 1 deletions
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4
effects/sheet/sheet.cpp
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@ -51,7 +51,7 @@ void SheetEffect::reconfigure(ReconfigureFlags flags)
// TODO: Rename AnimationTime config key to Duration.
const int d = animationTime(SheetConfig::animationTime() != 0
? SheetConfig::animationTime()
: 500);
: 300);
m_duration = std::chrono::milliseconds(static_cast<int>(d));
}
@ -113,6 +113,8 @@ void SheetEffect::paintWindow(EffectWindow *w, int mask, QRegion region, WindowP
data *= QVector3D(1.0, t, t);
data.translate(0.0, -interpolate(w->y() - (*animationIt).parentY, 0.0, t));
data.multiplyOpacity(t);
effects->paintWindow(w, mask, region, data);
}