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| author | Zufu Liu <unknown> | 2024-10-14 08:18:29 +1100 |
|---|---|---|
| committer | Zufu Liu <unknown> | 2024-10-14 08:18:29 +1100 |
| commit | 0810c2b873a754d78c3d269a279f40e2f7ade035 (patch) | |
| tree | ca085a28db7e0dd363bd1a20601066b7578499ab /win32 | |
| parent | a63766d101df9ce02cef81ada9f8216dd4e008f0 (diff) | |
| download | scintilla-mirror-0810c2b873a754d78c3d269a279f40e2f7ade035.tar.gz | |
Bug [#2449]. Fix direction of horizontal scrolling with touchpad.
Diffstat (limited to 'win32')
| -rw-r--r-- | win32/ScintillaWin.cxx | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/win32/ScintillaWin.cxx b/win32/ScintillaWin.cxx index 5fd06cd16..7242f590d 100644 --- a/win32/ScintillaWin.cxx +++ b/win32/ScintillaWin.cxx @@ -1645,7 +1645,11 @@ sptr_t ScintillaWin::MouseMessage(unsigned int iMessage, uptr_t wParam, sptr_t l MouseWheelDelta &wheelDelta = (iMessage == WM_MOUSEHWHEEL) ? horizontalWheelDelta : verticalWheelDelta; if (wheelDelta.Accumulate(wParam)) { - const int charsToScroll = charsPerScroll * wheelDelta.Actions(); + int charsToScroll = charsPerScroll * wheelDelta.Actions(); + if (iMessage == WM_MOUSEHWHEEL) { + // horizontal scroll is in reverse direction + charsToScroll = -charsToScroll; + } const int widthToScroll = static_cast<int>(std::lround(charsToScroll * vs.aveCharWidth)); HorizontalScrollToClamped(xOffset + widthToScroll); } |