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All: fix horizontal touchpad panning 

Commit e10c01aaf didn't work when touchpad panning was enabled.

This commit changes it to only discard horizontal wheel events
when in "scroll mode" rather than "pan mode".

Based on a patch by Adrian Scripcă <benishor@gmail.com>.

Follow-up to fix: lp:1828080
https://bugs.launchpad.net/kicad/+bug/1828080

(cherry picked from commit e6fe220f84)
This commit is contained in:
John Beard 2019-05-08 10:49:19 +01:00
parent 055d36abd7
commit 89f9bf545d
1 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
common/view/wx_view_controls.cpp
View File

@ -147,8 +147,6 @@ void WX_VIEW_CONTROLS::onMotion( wxMouseEvent& aEvent )
void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
{
const double wheelPanSpeed = 0.001;
#ifdef __WXGTK3__
if( aEvent.GetTimestamp() == m_lastTimestamp )
{
@ -159,11 +157,8 @@ void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
m_lastTimestamp = aEvent.GetTimestamp();
#endif
// Fix issue caused by modern mice that feature horizontal scrolling by only handling
// vertical axis, otherwise horizontal scrolling events end up interpreted as vertical
// scroll events and confuse the user.
if( aEvent.GetWheelAxis() > 0 )
return;
const double wheelPanSpeed = 0.001;
const int axis = aEvent.GetWheelAxis();
// mousewheelpan disabled:
// wheel + ctrl -> horizontal scrolling;
@ -180,7 +175,6 @@ void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
// Scrolling
VECTOR2D scrollVec = m_view->ToWorld( m_view->GetScreenPixelSize(), false ) *
( (double) aEvent.GetWheelRotation() * wheelPanSpeed );
int axis = aEvent.GetWheelAxis();
double scrollX = 0.0;
double scrollY = 0.0;
@ -206,18 +200,24 @@ void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
}
else
{
int rotation = aEvent.GetWheelRotation();
double zoomScale = m_zoomController->GetScaleForRotation( rotation );
// Restrict zoom handling to the vertical axis, otherwise horizontal
// scrolling events (e.g. touchpads and some mice) end up interpreted
// as vertical scroll events and confuse the user.
if( axis == wxMOUSE_WHEEL_VERTICAL )
{
const int rotation = aEvent.GetWheelRotation();
const double zoomScale = m_zoomController->GetScaleForRotation( rotation );
if( IsCursorWarpingEnabled() )
{
CenterOnCursor();
m_view->SetScale( m_view->GetScale() * zoomScale );
}
else
{
VECTOR2D anchor = m_view->ToWorld( VECTOR2D( aEvent.GetX(), aEvent.GetY() ) );
m_view->SetScale( m_view->GetScale() * zoomScale, anchor );
if( IsCursorWarpingEnabled() )
{
CenterOnCursor();
m_view->SetScale( m_view->GetScale() * zoomScale );
}
else
{
const VECTOR2D anchor = m_view->ToWorld( VECTOR2D( aEvent.GetX(), aEvent.GetY() ) );
m_view->SetScale( m_view->GetScale() * zoomScale, anchor );
}
}
}