Fixed screen scrolling on zooming in/out.

This commit is contained in:
Maciej Suminski 2015-07-24 09:42:45 +02:00
parent cd205db812
commit f7fa0852b5
4 changed files with 36 additions and 22 deletions

View File

@ -153,10 +153,8 @@ void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
if( IsCursorWarpingEnabled() )
{
const VECTOR2I& screenSize = m_view->GetGAL()->GetScreenPixelSize();
m_view->SetCenter( GetCursorPosition() );
CenterOnCursor();
m_view->SetScale( m_view->GetScale() * zoomScale );
m_parentPanel->WarpPointer( screenSize.x / 2, screenSize.y / 2 );
}
else
{
@ -383,6 +381,19 @@ void WX_VIEW_CONTROLS::WarpCursor( const VECTOR2D& aPosition, bool aWorldCoordin
}
void WX_VIEW_CONTROLS::CenterOnCursor() const
{
const VECTOR2I& screenSize = m_view->GetGAL()->GetScreenPixelSize();
VECTOR2I screenCenter( screenSize / 2 );
if( GetMousePosition() != screenCenter )
{
m_view->SetCenter( GetCursorPosition() );
m_parentPanel->WarpPointer( KiROUND( screenSize.x / 2 ), KiROUND( screenSize.y / 2 ) );
}
}
bool WX_VIEW_CONTROLS::handleAutoPanning( const wxMouseEvent& aEvent )
{
VECTOR2D p( aEvent.GetX(), aEvent.GetY() );

View File

@ -193,6 +193,13 @@ public:
return m_warpCursor;
}
/**
* Function CenterOnCursor()
* Sets the viewport center to the current cursor position and warps the cursor to the
* screen center.
*/
virtual void CenterOnCursor() const = 0;
protected:
/// Pointer to controlled VIEW.
VIEW* m_view;

View File

@ -95,6 +95,9 @@ public:
void WarpCursor( const VECTOR2D& aPosition, bool aWorldCoordinates = false,
bool aWarpView = false ) const;
/// @copydoc VIEW_CONTROLS::CenterOnCursor()
void CenterOnCursor() const;
/// Adjusts the scrollbars position to match the current viewport.
void UpdateScrollbars();

View File

@ -77,6 +77,7 @@ void PCBNEW_CONTROL::Reset( RESET_REASON aReason )
int PCBNEW_CONTROL::ZoomInOut( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
KIGFX::VIEW_CONTROLS* ctls = getViewControls();
double zoomScale = 1.0;
if( aEvent.IsAction( &COMMON_ACTIONS::zoomIn ) )
@ -84,15 +85,10 @@ int PCBNEW_CONTROL::ZoomInOut( const TOOL_EVENT& aEvent )
else if( aEvent.IsAction( &COMMON_ACTIONS::zoomOut ) )
zoomScale = 0.7;
if( !getViewControls()->IsCursorWarpingEnabled() )
view->SetScale( view->GetScale() * zoomScale, getViewControls()->GetCursorPosition() );
else
{
const VECTOR2I& screenSize = view->GetGAL()->GetScreenPixelSize();
view->SetCenter( getViewControls()->GetCursorPosition() );
view->SetScale( view->GetScale() * zoomScale );
m_frame->GetGalCanvas()->WarpPointer( screenSize.x / 2, screenSize.y / 2 );
}
view->SetScale( view->GetScale() * zoomScale, getViewControls()->GetCursorPosition() );
if( ctls->IsCursorWarpingEnabled() )
ctls->CenterOnCursor();
return 0;
}
@ -100,7 +96,7 @@ int PCBNEW_CONTROL::ZoomInOut( const TOOL_EVENT& aEvent )
int PCBNEW_CONTROL::ZoomInOutCenter( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
KIGFX::VIEW* view = getView();
double zoomScale = 1.0;
if( aEvent.IsAction( &COMMON_ACTIONS::zoomInCenter ) )
@ -116,14 +112,12 @@ int PCBNEW_CONTROL::ZoomInOutCenter( const TOOL_EVENT& aEvent )
int PCBNEW_CONTROL::ZoomCenter( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
view->SetCenter( getViewControls()->GetCursorPosition() );
KIGFX::VIEW_CONTROLS* ctls = getViewControls();
if( getViewControls()->IsCursorWarpingEnabled() )
{
const VECTOR2I& screenSize = view->GetGAL()->GetScreenPixelSize();
m_frame->GetGalCanvas()->WarpPointer( screenSize.x / 2, screenSize.y / 2 );
}
if( ctls->IsCursorWarpingEnabled() )
ctls->CenterOnCursor();
else
getView()->SetCenter( getViewControls()->GetCursorPosition() );
return 0;
}
@ -138,19 +132,18 @@ int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
BOX2I boardBBox = board->ViewBBox();
VECTOR2D scrollbarSize = VECTOR2D( galCanvas->GetSize() - galCanvas->GetClientSize() );
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
if( boardBBox.GetWidth() == 0 || boardBBox.GetHeight() == 0 )
{
// Empty view
view->SetScale( 17.0 ); // works fine for the standard worksheet frame
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
view->SetCenter( screenSize / 2.0 );
}
else
{
VECTOR2D vsize = boardBBox.GetSize();
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );