On 28/04/2012 01:13, Mattthew Russell wrote: > How come you can smooth-scroll the document by scrolling over the > scrollbar? Does this handle the scroll event itselft, separately from > the document view?
Er, I'm not sure I understand what you mean. The test case mentioned to scroll over the document view using a touch device, e.g. by circular scrolling, edge scrolling, or two-finger scrolling. On a default Ubuntu installation with overlay scrollbar installed, using the touchpad scrolling on the scrollbar does not yield smooth scrolling. The overlay scrollbar itself would have to be fixed for that to work. That said, if your mouse is over the overlay scrollbar scrubber thing, you're probably clicking the buttons or dragging it around, rather than using touch scrolling. -- Kind regards, Loong Jin -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to evince in Ubuntu. https://bugs.launchpad.net/bugs/981248 Title: Activate smooth scrolling in Evince [SRU] Status in Evince document viewer: New Status in “evince” package in Ubuntu: Incomplete Status in “evince” source package in Precise: Incomplete Status in “evince” source package in Quantal: Incomplete Bug description: [Problem] Gtk+ 3.3.18 introduced smooth scrolling via the GDK_SCROLL_SMOOTH event, which is activated by default for most widgets, but opt-in for custom widgets that handle scroll events themselves. Evince's document view is a custom widget that does not have GDK_SMOOTH_SCROLL_MASK in its enabled events mask, and as such does not benefit from this. This results in a rather jarring behaviour in scrolling experience from the rest of the Gtk3 applications using GtkScrolledWindow, and also from the scrolling experience in the thumbnail view. [Impact] This bug affects all touchpad users in Precise. Touchscreen users may also be affected. [Development Fix] Not fixed. [Stable Fix] Upstream patch is currently under review in the upstream bugtracker. Once that patch is accepted, I will update the debdiff. [Text Case] 1. Open a multipage document in Evince 2. Open the thumbnail view 3. Scroll in the thumbnail view using a touchpad's scroll implementation (circular, side scrolling, or two finger scrolling) 4. Notice that the scrolling is smooth, without the jerky behaviour present in Gtk2 applications and applications in previous Ubuntu releases. 5. Repeat #3 in the document view 6. Notice that scrolling is jerky, like the behaviour in previous releases. [Regression Potential] There isn't much regression potential, as the codepath for smooth scrolling in GtkScrolledWindow has already been activated by default for all Gtk3 applications and is well tested in Precise. To manage notifications about this bug go to: https://bugs.launchpad.net/evince/+bug/981248/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
