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Reduce the auto-panning margin and implement acceleration.

This commit is contained in:
Jeff Young 2020-01-07 19:35:45 +00:00
parent e03281a9ae
commit 65c88ba2c3
3 changed files with 21 additions and 3 deletions
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4
common/view/view_controls.cpp
View File

@ -63,8 +63,9 @@ void VC_SETTINGS::Reset()
m_grabMouse = false;
m_autoPanEnabled = false;
m_autoPanSettingEnabled = false;
m_autoPanMargin = 0.1f;
m_autoPanMargin = 0.02f;
m_autoPanSpeed = 0.15f;
m_autoPanAcceleration = 1.5f;
m_warpCursor = false;
m_enableMousewheelPan = false;
m_panWithRightButton = false;
@ -82,5 +83,6 @@ void VIEW_CONTROLS::ApplySettings( const VC_SETTINGS& aSettings )
SetAutoPan( aSettings.m_autoPanEnabled );
SetAutoPanMargin( aSettings.m_autoPanMargin );
SetAutoPanSpeed( aSettings.m_autoPanSpeed );
SetAutoPanAcceleration( aSettings.m_autoPanAcceleration );
ForceCursorPosition( aSettings.m_forceCursorPosition, aSettings.m_forcedPosition );
}

7
common/view/wx_view_controls.cpp
View File

@ -363,11 +363,13 @@ void WX_VIEW_CONTROLS::onTimer( wxTimerEvent& aEvent )
VECTOR2D dir( m_panDirection );
if( dir.EuclideanNorm() > borderSize )
if( dir.EuclideanNorm() > borderSize / 2 )
dir = dir.Resize( pow( borderSize, m_settings.m_autoPanAcceleration ) );
else if( dir.EuclideanNorm() > borderSize )
dir = dir.Resize( borderSize );
dir = m_view->ToWorld( dir, false );
m_view->SetCenter( m_view->GetCenter() + dir * m_settings.m_autoPanSpeed );
m_view->SetCenter( m_view->GetCenter() + dir );
refreshMouse();
}
@ -591,6 +593,7 @@ bool WX_VIEW_CONTROLS::handleAutoPanning( const wxMouseEvent& aEvent )
// Compute areas where autopanning is active
int borderStart = std::min( m_settings.m_autoPanMargin * m_view->GetScreenPixelSize().x,
m_settings.m_autoPanMargin * m_view->GetScreenPixelSize().y );
borderStart = std::max( borderStart, 2 );
int borderEndX = m_view->GetScreenPixelSize().x - borderStart;
int borderEndY = m_view->GetScreenPixelSize().y - borderStart;

13
include/view/view_controls.h
View File

@ -81,6 +81,9 @@ struct VC_SETTINGS
///> How fast is panning when in auto mode
float m_autoPanSpeed;
///> How fast does panning accelerate when approaching the window boundary
float m_autoPanAcceleration;
///> If the cursor is allowed to be warped
bool m_warpCursor;
@ -181,6 +184,16 @@ public:
m_settings.m_autoPanSpeed = aSpeed;
}
/**
* Function SetAutoPanSpeed()
* Sets speed of autopanning.
* @param aSpeed is a new speed for autopanning.
*/
virtual void SetAutoPanAcceleration( float aAcceleration )
{
m_settings.m_autoPanAcceleration = aAcceleration;
}
/**
* Function SetAutoPanMArgin()
* Sets margin for autopanning (ie. the area when autopanning becomes active).