diff options
| author | Allan Sandfeld Jensen <allan.jensen@digia.com> | 2014-01-02 10:32:52 +0100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-01-09 19:27:32 +0100 |
| commit | 097b0a531642f79d8b240f89ca1eacca2ee59a5e (patch) | |
| tree | 4beeffbb2ccf330e12c0028dbcaaf724ec4cc29e /src/plugins/platforms/xcb/qxcbwindow.cpp | |
| parent | 8ca19dde556d4ec5a04d15af6d9985f2203ee4d5 (diff) | |
Use XInput2 scrolling events to enable smoother scrolling
With this patch all wheel events will be generated by XInput2 where
available. This enables higher precision and smoother scrolling
especially from input devices such as touchpads on laptops.
[ChangeLog][Platform Specific Changes][X11 / XCB]Support XInput2 smooth scrolling events
Change-Id: I3b069ed92ad5c53e08af64baaece32de82e9b5c4
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 81134ced49..407adc29ee 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -1689,6 +1689,7 @@ void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) Qt::KeyboardModifiers modifiers = connection()->keyboard()->translateModifiers(event->state); if (isWheel) { +#ifndef XCB_USE_XINPUT21 // Logic borrowed from qapplication_x11.cpp int delta = 120 * ((event->detail == 4 || event->detail == 6) ? 1 : -1); bool hor = (((event->detail == 4 || event->detail == 5) @@ -1697,6 +1698,7 @@ void QXcbWindow::handleButtonPressEvent(const xcb_button_press_event_t *event) QWindowSystemInterface::handleWheelEvent(window(), event->time, local, global, delta, hor ? Qt::Horizontal : Qt::Vertical, modifiers); +#endif return; } |