diff options
Diffstat (limited to 'WebKit/chromium/src/win/WebInputEventFactory.cpp')
| -rw-r--r-- | WebKit/chromium/src/win/WebInputEventFactory.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/WebKit/chromium/src/win/WebInputEventFactory.cpp b/WebKit/chromium/src/win/WebInputEventFactory.cpp index a5bd935..4d83f22 100644 --- a/WebKit/chromium/src/win/WebInputEventFactory.cpp +++ b/WebKit/chromium/src/win/WebInputEventFactory.cpp @@ -398,11 +398,11 @@ WebMouseWheelEvent WebInputEventFactory::mouseWheelEvent(HWND hwnd, UINT message // // How many pixels should we scroll per line? Gecko uses the height of the // current line, which means scroll distance changes as you go through the - // page or go to different pages. IE 7 is ~50 px/line, although the value - // seems to vary slightly by page and zoom level. Since IE 7 has a smoothing - // algorithm on scrolling, it can get away with slightly larger scroll values - // without feeling jerky. Here we use 100 px per three lines (the default - // scroll amount is three lines per wheel tick). + // page or go to different pages. IE 8 is ~60 px/line, although the value + // seems to vary slightly by page and zoom level. Also, IE defaults to + // smooth scrolling while Firefox doesn't, so it can get away with somewhat + // larger scroll values without feeling as jerky. Here we use 100 px per + // three lines (the default scroll amount is three lines per wheel tick). static const float scrollbarPixelsPerLine = 100.0f / 3.0f; wheelDelta /= WHEEL_DELTA; float scrollDelta = wheelDelta; |
