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* Improved VolumeControl snapping based on Stippi's snapping code.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38797 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2010-09-23 08:45:38 +00:00
parent 2adb769e33
commit 9157e52c88
1 changed files with 9 additions and 1 deletions
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src/bin/desklink/VolumeControl.cpp
+9 -1
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@@ -1,5 +1,5 @@
/* /*
* Copyright 2003-2009, Haiku, Inc. * Copyright 2003-2010, Haiku, Inc.
* Distributed under the terms of the MIT license. * Distributed under the terms of the MIT license.
* *
* Authors: * Authors:
@@ -223,14 +223,22 @@ VolumeControl::MouseMoved(BPoint where, uint32 transit,
if (ModificationMessage() != NULL) if (ModificationMessage() != NULL)
Messenger().SendMessage(ModificationMessage()); Messenger().SendMessage(ModificationMessage());
float snapPoint = _PointForValue(0);
const float kMinSnapOffset = 6;
if (oldValue > newValue) { if (oldValue > newValue) {
// movement from right to left // movement from right to left
fMinSnap = _PointForValue(-4); fMinSnap = _PointForValue(-4);
if (fabs(snapPoint - fMinSnap) < kMinSnapOffset)
fMinSnap = snapPoint - kMinSnapOffset;
fMaxSnap = _PointForValue(1); fMaxSnap = _PointForValue(1);
} else { } else {
// movement from left to right // movement from left to right
fMinSnap = _PointForValue(-1); fMinSnap = _PointForValue(-1);
fMaxSnap = _PointForValue(4); fMaxSnap = _PointForValue(4);
if (fabs(snapPoint - fMaxSnap) < kMinSnapOffset)
fMaxSnap = snapPoint + kMinSnapOffset;
} }
fSnapping = true; fSnapping = true;