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VIEW_CONTROLS::CaptureCursor()

This commit is contained in:
Maciej Suminski 2015-03-10 13:20:38 +01:00
parent a72a04654c
commit 143f52eb4d
3 changed files with 56 additions and 2 deletions
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39
common/view/wx_view_controls.cpp
View File

@ -53,6 +53,8 @@ WX_VIEW_CONTROLS::WX_VIEW_CONTROLS( VIEW* aView, wxWindow* aParentPanel ) :
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_panTimer.SetOwner( this );
this->Connect( wxEVT_TIMER,
@ -211,6 +213,43 @@ void WX_VIEW_CONTROLS::onEnter( wxMouseEvent& aEvent )
}
void WX_VIEW_CONTROLS::onLeave( wxMouseEvent& aEvent )
{
if( 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 )

18
include/view/view_controls.h
View File

@ -47,8 +47,9 @@ class VIEW_CONTROLS
{
public:
VIEW_CONTROLS( VIEW* aView ) : m_view( aView ), m_minScale( 4.0 ), m_maxScale( 15000 ),
m_forceCursorPosition( false ), m_snappingEnabled( false ), m_grabMouse( false ),
m_autoPanEnabled( false ), m_autoPanMargin( 0.1 ), m_autoPanSpeed( 0.15 )
m_forceCursorPosition( false ), m_cursorCaptured( false ), m_snappingEnabled( false ),
m_grabMouse( false ), m_autoPanEnabled( false ), m_autoPanMargin( 0.1 ),
m_autoPanSpeed( 0.15 )
{
m_panBoundary.SetMaximum();
}
@ -171,6 +172,16 @@ public:
*/
virtual void ShowCursor( bool aEnabled );
/**
* Function CaptureCursor()
* Forces the cursor to stay within the drawing panel area.
* @param aEnabled determines if the cursor should be captured.
*/
virtual void CaptureCursor( bool aEnabled )
{
m_cursorCaptured = aEnabled;
}
protected:
/// Sets center for VIEW, takes into account panning boundaries.
void setCenter( const VECTOR2D& aCenter );
@ -199,6 +210,9 @@ protected:
/// Is the forced cursor position enabled
bool m_forceCursorPosition;
/// Should the cursor be locked within the parent window area
bool m_cursorCaptured;
/// Should the cursor snap to grid or move freely
bool m_snappingEnabled;

1
include/view/wx_view_controls.h
View File

@ -56,6 +56,7 @@ public:
void onMotion( wxMouseEvent& aEvent );
void onButton( wxMouseEvent& aEvent );
void onEnter( wxMouseEvent& WXUNUSED( aEvent ) );
void onLeave( wxMouseEvent& WXUNUSED( aEvent ) );
void onTimer( wxTimerEvent& WXUNUSED( aEvent ) );
/**