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kicad/common/view/wx_view_controls.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Torsten Hueter, torstenhtr <at> gmx.de
* Copyright (C) 2013-2015 CERN
* Copyright (C) 2012-2016 KiCad Developers, see AUTHORS.txt for contributors.
*
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <pgm_base.h>
#include <view/view.h>
#include <view/wx_view_controls.h>
#include <view/zoom_controller.h>
#include <gal/graphics_abstraction_layer.h>
#include <tool/tool_dispatcher.h>
using namespace KIGFX;
const wxEventType WX_VIEW_CONTROLS::EVT_REFRESH_MOUSE = wxNewEventType();
static std::unique_ptr<ZOOM_CONTROLLER> GetZoomControllerForPlatform()
{
#ifdef __WXMAC__
// On Apple pointer devices, wheel events occur frequently and with
// smaller rotation values. For those devices, let's handle zoom
// based on the rotation amount rather than the time difference.
return std::make_unique<CONSTANT_ZOOM_CONTROLLER>( CONSTANT_ZOOM_CONTROLLER::MAC_SCALE );
#elif __WXGTK3__
// GTK3 is similar, but the scale constant is smaller
return std::make_unique<CONSTANT_ZOOM_CONTROLLER>( CONSTANT_ZOOM_CONTROLLER::GTK3_SCALE );
#else
return std::make_unique<ACCELERATING_ZOOM_CONTROLLER>();
#endif
}
WX_VIEW_CONTROLS::WX_VIEW_CONTROLS( VIEW* aView, wxScrolledCanvas* aParentPanel ) :
VIEW_CONTROLS( aView ),
m_state( IDLE ),
m_parentPanel( aParentPanel ),
m_scrollScale( 1.0, 1.0 ),
#ifdef __WXGTK3__
m_lastTimestamp( 0 ),
#endif
m_cursorPos( 0, 0 ),
m_updateCursor( true )
{
bool enableMousewheelPan = false;
bool enableZoomNoCenter = false;
bool enableAutoPan = true;
Pgm().CommonSettings()->Read( ENBL_MOUSEWHEEL_PAN_KEY, &enableMousewheelPan, false );
Pgm().CommonSettings()->Read( ENBL_ZOOM_NO_CENTER_KEY, &enableZoomNoCenter, false );
Pgm().CommonSettings()->Read( ENBL_AUTO_PAN_KEY, &enableAutoPan, true );
m_settings.m_enableMousewheelPan = enableMousewheelPan;
m_settings.m_warpCursor = !enableZoomNoCenter;
m_settings.m_autoPanSettingEnabled = enableAutoPan;
m_parentPanel->Connect( wxEVT_MOTION,
wxMouseEventHandler( WX_VIEW_CONTROLS::onMotion ), NULL, this );
#if wxCHECK_VERSION( 3, 1, 0 ) || defined( USE_OSX_MAGNIFY_EVENT )
m_parentPanel->Connect( wxEVT_MAGNIFY,
wxMouseEventHandler( WX_VIEW_CONTROLS::onMagnify ), NULL, this );
#endif
m_parentPanel->Connect( wxEVT_MOUSEWHEEL,
wxMouseEventHandler( WX_VIEW_CONTROLS::onWheel ), NULL, this );
m_parentPanel->Connect( wxEVT_MIDDLE_UP,
wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
m_parentPanel->Connect( wxEVT_MIDDLE_DOWN,
wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
m_parentPanel->Connect( wxEVT_LEFT_UP,
wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
m_parentPanel->Connect( wxEVT_LEFT_DOWN,
wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
m_parentPanel->Connect( wxEVT_RIGHT_UP,
wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
m_parentPanel->Connect( wxEVT_RIGHT_DOWN,
wxMouseEventHandler( WX_VIEW_CONTROLS::onButton ), NULL, this );
#if defined _WIN32 || defined _WIN64
m_parentPanel->Connect( wxEVT_ENTER_WINDOW,
wxMouseEventHandler( WX_VIEW_CONTROLS::onEnter ), NULL, this );
#endif
m_parentPanel->Connect( wxEVT_LEAVE_WINDOW,
wxMouseEventHandler( WX_VIEW_CONTROLS::onLeave ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_THUMBTRACK,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_PAGEUP,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_PAGEDOWN,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_BOTTOM,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_TOP,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_LINEUP,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_parentPanel->Connect( wxEVT_SCROLLWIN_LINEDOWN,
wxScrollWinEventHandler( WX_VIEW_CONTROLS::onScroll ), NULL, this );
m_zoomController = GetZoomControllerForPlatform();
m_cursorWarped = false;
m_panTimer.SetOwner( this );
this->Connect( wxEVT_TIMER, wxTimerEventHandler( WX_VIEW_CONTROLS::onTimer ), NULL, this );
m_settings.m_lastKeyboardCursorPositionValid = false;
}
WX_VIEW_CONTROLS::~WX_VIEW_CONTROLS()
{
wxConfigBase* cfg = Pgm().CommonSettings();
if( cfg )
{
cfg->Write( ENBL_MOUSEWHEEL_PAN_KEY, m_settings.m_enableMousewheelPan );
cfg->Write( ENBL_ZOOM_NO_CENTER_KEY, !m_settings.m_warpCursor );
cfg->Write( ENBL_AUTO_PAN_KEY, m_settings.m_autoPanSettingEnabled );
}
}
void WX_VIEW_CONTROLS::onMotion( wxMouseEvent& aEvent )
{
bool isAutoPanning = false;
VECTOR2D mousePos( aEvent.GetX(), aEvent.GetY() );
if( m_settings.m_autoPanEnabled && m_settings.m_autoPanSettingEnabled )
isAutoPanning = handleAutoPanning( aEvent );
if( !isAutoPanning && aEvent.Dragging() )
{
if( m_state == DRAG_PANNING )
{
VECTOR2D d = m_dragStartPoint - mousePos;
VECTOR2D delta = m_view->ToWorld( d, false );
m_view->SetCenter( m_lookStartPoint + delta );
aEvent.StopPropagation();
}
}
if( m_updateCursor ) // do not update the cursor position if it was explicitly set
m_cursorPos = m_view->ToWorld( mousePos );
else
m_updateCursor = true;
aEvent.Skip();
}
void WX_VIEW_CONTROLS::onWheel( wxMouseEvent& aEvent )
{
#ifdef __WXGTK3__
if( aEvent.GetTimestamp() == m_lastTimestamp )
{
aEvent.Skip( false );
return;
}
m_lastTimestamp = aEvent.GetTimestamp();
#endif
const double wheelPanSpeed = 0.001;
const int axis = aEvent.GetWheelAxis();
// mousewheelpan disabled:
// wheel + ctrl -> horizontal scrolling;
// wheel + shift -> vertical scrolling;
// wheel -> zooming;
// mousewheelpan enabled:
// wheel -> pan;
// wheel + ctrl -> zooming;
// wheel + shift -> horizontal scrolling.
if( ( !m_settings.m_enableMousewheelPan && ( aEvent.ControlDown() || aEvent.ShiftDown() ) ) ||
( m_settings.m_enableMousewheelPan && !aEvent.ControlDown() ) )
{
// Scrolling
VECTOR2D scrollVec = m_view->ToWorld( m_view->GetScreenPixelSize(), false ) *
( (double) aEvent.GetWheelRotation() * wheelPanSpeed );
double scrollX = 0.0;
double scrollY = 0.0;
if( m_settings.m_enableMousewheelPan )
{
if ( axis == wxMOUSE_WHEEL_HORIZONTAL || aEvent.ShiftDown() )
scrollX = scrollVec.x;
else
scrollY = -scrollVec.y;
}
else
{
if( aEvent.ControlDown() )
scrollX = -scrollVec.x;
else
scrollY = -scrollVec.y;
}
VECTOR2D delta( scrollX, scrollY );
m_view->SetCenter( m_view->GetCenter() + delta );
refreshMouse();
}
else
{
// 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
{
const VECTOR2D anchor = m_view->ToWorld( VECTOR2D( aEvent.GetX(), aEvent.GetY() ) );
m_view->SetScale( m_view->GetScale() * zoomScale, anchor );
}
}
}
// Do not skip this event, otherwise wxWidgets will fire
// 3 wxEVT_SCROLLWIN_LINEUP or wxEVT_SCROLLWIN_LINEDOWN (normal wxWidgets behavior)
// and we do not want that.
m_parentPanel->Refresh();
}
#if wxCHECK_VERSION( 3, 1, 0 ) || defined( USE_OSX_MAGNIFY_EVENT )
void WX_VIEW_CONTROLS::onMagnify( wxMouseEvent& aEvent )
{
// Scale based on the magnification from our underlying magnification event.
VECTOR2D anchor = m_view->ToWorld( VECTOR2D( aEvent.GetX(), aEvent.GetY() ) );
m_view->SetScale( m_view->GetScale() * ( aEvent.GetMagnification() + 1.0f ), anchor );
aEvent.Skip();
}
#endif
void WX_VIEW_CONTROLS::onButton( wxMouseEvent& aEvent )
{
switch( m_state )
{
case IDLE:
case AUTO_PANNING:
if( aEvent.MiddleDown() ||
( aEvent.LeftDown() && m_settings.m_panWithLeftButton ) ||
( aEvent.RightDown() && m_settings.m_panWithRightButton ) )
{
m_dragStartPoint = VECTOR2D( aEvent.GetX(), aEvent.GetY() );
m_lookStartPoint = m_view->GetCenter();
m_state = DRAG_PANNING;
}
if( aEvent.LeftUp() )
m_state = IDLE; // Stop autopanning when user release left mouse button
break;
case DRAG_PANNING:
if( aEvent.MiddleUp() || aEvent.LeftUp() || aEvent.RightUp() )
m_state = IDLE;
break;
}
aEvent.Skip();
}
void WX_VIEW_CONTROLS::onEnter( wxMouseEvent& aEvent )
{
m_parentPanel->SetFocus();
}
void WX_VIEW_CONTROLS::onLeave( wxMouseEvent& aEvent )
{
if( m_settings.m_cursorCaptured )
{
bool warp = false;
int x = aEvent.GetX();
int y = aEvent.GetY();
wxSize parentSize = m_parentPanel->GetClientSize();
if( x < 0 )
{
x = 0;
warp = true;
}
else if( x >= parentSize.x )
{
x = parentSize.x - 1;
warp = true;
}
if( y < 0 )
{
y = 0;
warp = true;
}
else if( y >= parentSize.y )
{
y = parentSize.y - 1;
warp = true;
}
if( warp )
m_parentPanel->WarpPointer( x, y );
}
}
void WX_VIEW_CONTROLS::onTimer( wxTimerEvent& aEvent )
{
switch( m_state )
{
case AUTO_PANNING:
{
if( !m_settings.m_autoPanEnabled )
{
m_state = IDLE;
return;
}
if( !m_parentPanel->HasFocus() )
break;
double borderSize = std::min( m_settings.m_autoPanMargin * m_view->GetScreenPixelSize().x,
m_settings.m_autoPanMargin * m_view->GetScreenPixelSize().y );
VECTOR2D dir( m_panDirection );
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 );
refreshMouse();
}
break;
case IDLE: // Just remove unnecessary warnings
case DRAG_PANNING:
break;
}
}
void WX_VIEW_CONTROLS::onScroll( wxScrollWinEvent& aEvent )
{
const double linePanDelta = 0.05;
const double pagePanDelta = 0.5;
int type = aEvent.GetEventType();
int dir = aEvent.GetOrientation();
if( type == wxEVT_SCROLLWIN_THUMBTRACK )
{
auto center = m_view->GetCenter();
const auto& boundary = m_view->GetBoundary();
// Flip scroll direction in flipped view
const double xstart = ( m_view->IsMirroredX() ?
boundary.GetRight() : boundary.GetLeft() );
const double xdelta = ( m_view->IsMirroredX() ? -1 : 1 );
if( dir == wxHORIZONTAL )
center.x = xstart + xdelta * ( aEvent.GetPosition() / m_scrollScale.x );
else
center.y = boundary.GetTop() + aEvent.GetPosition() / m_scrollScale.y;
m_view->SetCenter( center );
}
else
{
double dist = 0;
if( type == wxEVT_SCROLLWIN_PAGEUP )
dist = pagePanDelta;
else if( type == wxEVT_SCROLLWIN_PAGEDOWN )
dist = -pagePanDelta;
else if( type == wxEVT_SCROLLWIN_LINEUP )
dist = linePanDelta;
else if( type == wxEVT_SCROLLWIN_LINEDOWN )
dist = -linePanDelta;
else
{
wxASSERT( "Unhandled event type" );
return;
}
VECTOR2D scroll = m_view->ToWorld( m_view->GetScreenPixelSize(), false ) * dist;
double scrollX = 0.0;
double scrollY = 0.0;
if ( dir == wxHORIZONTAL )
scrollX = -scroll.x;
else
scrollY = -scroll.y;
VECTOR2D delta( scrollX, scrollY );
m_view->SetCenter( m_view->GetCenter() + delta );
}
m_parentPanel->Refresh();
}
void WX_VIEW_CONTROLS::SetGrabMouse( bool aEnabled )
{
if( aEnabled && !m_settings.m_grabMouse )
m_parentPanel->CaptureMouse();
else if( !aEnabled && m_settings.m_grabMouse )
m_parentPanel->ReleaseMouse();
VIEW_CONTROLS::SetGrabMouse( aEnabled );
}
VECTOR2D WX_VIEW_CONTROLS::GetMousePosition( bool aWorldCoordinates ) const
{
wxPoint msp = getMouseScreenPosition();
VECTOR2D screenPos( msp.x, msp.y );
return aWorldCoordinates ? m_view->ToWorld( screenPos ) : screenPos;
}
VECTOR2D WX_VIEW_CONTROLS::GetRawCursorPosition( bool aEnableSnapping ) const
{
if( aEnableSnapping )
{
return m_view->GetGAL()->GetGridPoint( m_cursorPos );
}
else
{
return m_cursorPos;
}
}
VECTOR2D WX_VIEW_CONTROLS::GetCursorPosition( bool aEnableSnapping ) const
{
if( m_settings.m_forceCursorPosition )
{
return m_settings.m_forcedPosition;
}
else
{
return GetRawCursorPosition( aEnableSnapping );
}
}
void WX_VIEW_CONTROLS::SetCursorPosition( const VECTOR2D& aPosition, bool aWarpView,
bool aTriggeredByArrows, long aArrowCommand )
{
m_updateCursor = false;
if( aTriggeredByArrows )
{
m_settings.m_lastKeyboardCursorPositionValid = true;
m_settings.m_lastKeyboardCursorPosition = aPosition;
m_settings.m_lastKeyboardCursorCommand = aArrowCommand;
m_cursorWarped = false;
}
else
{
m_settings.m_lastKeyboardCursorPositionValid = false;
m_cursorWarped = true;
}
WarpCursor( aPosition, true, aWarpView );
m_cursorPos = aPosition;
}
void WX_VIEW_CONTROLS::SetCrossHairCursorPosition( const VECTOR2D& aPosition, bool aWarpView = true )
{
m_updateCursor = false;
const VECTOR2I& screenSize = m_view->GetGAL()->GetScreenPixelSize();
BOX2I screen( VECTOR2I( 0, 0 ), screenSize );
VECTOR2D screenPos = m_view->ToScreen( aPosition );
if( aWarpView && !screen.Contains( screenPos ) )
m_view->SetCenter( aPosition );
m_cursorPos = aPosition;
}
void WX_VIEW_CONTROLS::WarpCursor( const VECTOR2D& aPosition, bool aWorldCoordinates,
bool aWarpView )
{
if( aWorldCoordinates )
{
const VECTOR2I& screenSize = m_view->GetGAL()->GetScreenPixelSize();
BOX2I screen( VECTOR2I( 0, 0 ), screenSize );
VECTOR2D screenPos = m_view->ToScreen( aPosition );
if( !screen.Contains( screenPos ) )
{
if( aWarpView )
{
m_view->SetCenter( aPosition );
m_parentPanel->WarpPointer( screenSize.x / 2, screenSize.y / 2 );
}
}
else
{
m_parentPanel->WarpPointer( screenPos.x, screenPos.y );
}
}
else
{
m_parentPanel->WarpPointer( aPosition.x, aPosition.y );
}
refreshMouse();
}
void WX_VIEW_CONTROLS::CenterOnCursor() const
{
const VECTOR2I& screenSize = m_view->GetGAL()->GetScreenPixelSize();
VECTOR2I screenCenter( screenSize / 2 );
if( GetMousePosition( false ) != screenCenter )
{
m_view->SetCenter( GetCursorPosition() );
m_parentPanel->WarpPointer( KiROUND( screenSize.x / 2 ), KiROUND( screenSize.y / 2 ) );
}
}
bool WX_VIEW_CONTROLS::handleAutoPanning( const wxMouseEvent& aEvent )
{
VECTOR2I p( aEvent.GetX(), aEvent.GetY() );
VECTOR2I pKey( m_view->ToScreen(m_settings.m_lastKeyboardCursorPosition ) );
if( m_cursorWarped || (m_settings.m_lastKeyboardCursorPositionValid && (p == pKey)) )
{
// last cursor move event came from keyboard cursor control. If auto-panning is enabled and
// the next position is inside the autopan zone, check if it really came from a mouse event, otherwise
// disable autopan temporarily. Also temporaly disable autopan if the cursor is in the autopan zone
// because the application warped the cursor.
m_cursorWarped = false;
return true;
}
m_cursorWarped = false;
// 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 );
int borderEndX = m_view->GetScreenPixelSize().x - borderStart;
int borderEndY = m_view->GetScreenPixelSize().y - borderStart;
if( p.x < borderStart )
m_panDirection.x = -( borderStart - p.x );
else if( p.x > borderEndX )
m_panDirection.x = ( p.x - borderEndX );
else
m_panDirection.x = 0;
if( p.y < borderStart )
m_panDirection.y = -( borderStart - p.y );
else if( p.y > borderEndY )
m_panDirection.y = ( p.y - borderEndY );
else
m_panDirection.y = 0;
bool borderHit = ( m_panDirection.x != 0 || m_panDirection.y != 0 );
switch( m_state )
{
case AUTO_PANNING:
if( !borderHit )
{
m_panTimer.Stop();
m_state = IDLE;
return false;
}
return true;
break;
case IDLE:
if( borderHit )
{
m_state = AUTO_PANNING;
m_panTimer.Start( (int) ( 250.0 / 60.0 ) );
return true;
}
return false;
break;
case DRAG_PANNING:
return false;
}
wxASSERT_MSG( false, wxT( "This line should never be reached" ) );
return false; // Should not be reached, just avoid the compiler warnings..
}
void WX_VIEW_CONTROLS::refreshMouse()
{
// Notify tools that the cursor position has changed in the world coordinates
wxMouseEvent moveEvent( EVT_REFRESH_MOUSE );
wxPoint msp = getMouseScreenPosition();
moveEvent.SetX( msp.x );
moveEvent.SetY( msp.y );
// Set the modifiers state
moveEvent.SetControlDown( wxGetKeyState( WXK_CONTROL ) );
moveEvent.SetShiftDown( wxGetKeyState( WXK_SHIFT ) );
moveEvent.SetAltDown( wxGetKeyState( WXK_ALT ) );
m_cursorPos = m_view->ToWorld( VECTOR2D( msp.x, msp.y ) );
wxPostEvent( m_parentPanel, moveEvent );
}
wxPoint WX_VIEW_CONTROLS::getMouseScreenPosition() const
{
wxPoint msp = wxGetMousePosition();
m_parentPanel->ScreenToClient( &msp.x, &msp.y );
return msp;
}
void WX_VIEW_CONTROLS::UpdateScrollbars()
{
const BOX2D viewport = m_view->GetViewport();
const BOX2D& boundary = m_view->GetBoundary();
m_scrollScale.x = 2e3 / viewport.GetWidth(); // TODO it does not have to be updated so often
m_scrollScale.y = 2e3 / viewport.GetHeight();
VECTOR2I newScroll( ( viewport.Centre().x - boundary.GetLeft() ) * m_scrollScale.x,
( viewport.Centre().y - boundary.GetTop() ) * m_scrollScale.y );
// We add the width of the scroll bar thumb to the range because the scroll range is given by
// the full bar while the position is given by the left/top position of the thumb
VECTOR2I newRange( m_scrollScale.x * boundary.GetWidth() + m_parentPanel->GetScrollThumb( wxSB_HORIZONTAL ),
m_scrollScale.y * boundary.GetHeight() + m_parentPanel->GetScrollThumb( wxSB_VERTICAL ) );
// Flip scroll direction in flipped view
if( m_view->IsMirroredX() )
newScroll.x = ( boundary.GetRight() - viewport.Centre().x ) * m_scrollScale.x;
// Adjust scrollbars only if it is needed. Otherwise there are cases when canvas is continuously
// refreshed (Windows)
if( m_scrollPos != newScroll || newRange.x != m_parentPanel->GetScrollRange( wxSB_HORIZONTAL )
|| newRange.y != m_parentPanel->GetScrollRange( wxSB_VERTICAL ) )
{
m_parentPanel->SetScrollbars( 1, 1, newRange.x, newRange.y, newScroll.x, newScroll.y, true );
m_scrollPos = newScroll;
#ifndef __APPLE__
// Trigger a mouse refresh to get the canvas update in GTK (re-draws the scrollbars).
// Note that this causes an infinite loop on OSX as it generates a paint event.
refreshMouse();
#endif
}
}
void WX_VIEW_CONTROLS::ForceCursorPosition( bool aEnabled, const VECTOR2D& aPosition )
{
m_settings.m_forceCursorPosition = aEnabled;
m_settings.m_forcedPosition = aPosition;
}
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