+void wxCanvas::OnIdle(wxIdleEvent &event)
+{
+ m_admin->SetActive(this);
+ UpdateNow();
+ event.Skip();
+}
+
+void wxCanvas::OnSetFocus(wxFocusEvent &event)
+{
+ m_admin->SetActive(this);
+}
+
+void wxCanvas::OnKillFocus(wxFocusEvent &event)
+{
+}
+
+
+void wxCanvas::OnEraseBackground(wxEraseEvent &event)
+{
+}
+
+// coordinates conversions
+// -----------------------
+double wxCanvas::DeviceToLogicalX(int x) const
+{
+ return (double)(x);
+}
+
+double wxCanvas::DeviceToLogicalY(int y) const
+{
+ return (double)(y);
+}
+
+double wxCanvas::DeviceToLogicalXRel(int x) const
+{
+ return (double)x;
+}
+
+double wxCanvas::DeviceToLogicalYRel(int y) const
+{
+ return (double)y;
+}
+
+int wxCanvas::LogicalToDeviceX(double x) const
+{
+ return (int)(x + 0.5);
+}
+
+int wxCanvas::LogicalToDeviceY(double y) const
+{
+ return (int)(y + 0.5);
+}
+
+int wxCanvas::LogicalToDeviceXRel(double x) const
+{
+ return (int)(x + 0.5);
+}
+
+int wxCanvas::LogicalToDeviceYRel(double y) const
+{
+ return (int)(y + 0.5);
+}
+
+//----------------------------------------------------------------------------
+// wxVectorCanvas
+//----------------------------------------------------------------------------
+
+IMPLEMENT_CLASS(wxVectorCanvas,wxCanvas)
+
+BEGIN_EVENT_TABLE(wxVectorCanvas,wxCanvas)
+ EVT_SCROLLWIN( wxVectorCanvas::OnScroll )
+ EVT_CHAR( wxVectorCanvas::OnChar )
+ EVT_SIZE( wxVectorCanvas::OnSize )
+END_EVENT_TABLE()
+
+wxVectorCanvas::wxVectorCanvas( wxCanvasAdmin* admin, wxWindow *parent, wxWindowID id,
+ const wxPoint &position, const wxSize& size, long style ) :
+ wxCanvas( admin, parent, id, position, size, style )
+{
+ m_scrolled = FALSE;
+ m_yaxis = FALSE;
+}
+
+double wxVectorCanvas::GetMinX() const
+{
+ return m_virt_minX;
+}
+
+double wxVectorCanvas::GetMinY() const
+{
+ return m_virt_minY;
+}
+
+double wxVectorCanvas::GetMaxX() const
+{
+ return m_virt_maxX;
+}
+
+double wxVectorCanvas::GetMaxY() const
+{
+ return m_virt_maxY;
+}
+
+void wxVectorCanvas::ScrollWindow( int dx, int dy, const wxRect* rect )
+{
+ // If any updates are pending, do them now since they will
+ // expect the previous m_bufferX and m_bufferY as well as
+ // the previous device origin values.
+ wxClientDC dc( this );
+ dc.SetDeviceOrigin( m_oldDeviceX, m_oldDeviceY );
+ BlitBuffer( dc );
+
+ if (dy != 0)
+ {
+ double dyv=DeviceToLogicalYRel(dy);
+ m_virt_minY=m_virt_minY-dyv;
+ m_virt_maxY=m_virt_maxY-dyv;
+ }
+ if (dx != 0)
+ {
+ double dxv=DeviceToLogicalXRel(dx);
+ m_virt_minX=m_virt_minX-dxv;
+ m_virt_maxX=m_virt_maxX-dxv;
+ }
+
+ m_admin->SetActive(this);
+ SetMappingScroll(m_virt_minX,m_virt_minY,m_virt_maxX,m_virt_maxY,FALSE);
+
+
+ if (dy != 0)
+ {
+ if (dy > 0 && dy < m_buffer.GetHeight())
+ {
+ wxRect rect( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight()-dy);
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, 0, dy, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( 0, 0, m_buffer.GetWidth(), dy, TRUE );
+ }
+ else if (dy < 0 && dy > -m_buffer.GetHeight())
+ {
+ wxRect rect( 0, -dy, m_buffer.GetWidth(), m_buffer.GetHeight()+dy);
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, 0, 0, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( 0, m_buffer.GetHeight()+dy, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+ else
+ Update( 0, 0, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+
+ if (dx != 0)
+ {
+ if (dx > 0 && dx < m_buffer.GetWidth())
+ {
+ wxRect rect( 0, 0, m_buffer.GetWidth()-dx, m_buffer.GetHeight());
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, dx, 0, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( 0, 0, dx, m_buffer.GetHeight(), TRUE );
+ }
+ else if (dx < 0 && dx > -m_buffer.GetWidth())
+ {
+ wxRect rect( -dx, 0, m_buffer.GetWidth()+dx, m_buffer.GetHeight());
+ wxBitmap sub_bitmap( m_buffer.GetSubBitmap( rect ) );
+ wxMemoryDC dcm;
+ dcm.SelectObject( m_buffer );
+ dcm.DrawBitmap( sub_bitmap, 0, 0, TRUE );
+ dcm.SelectObject( wxNullBitmap );
+
+ Update( m_buffer.GetWidth()+dx, 0, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+ else
+ Update( 0,0, m_buffer.GetWidth(), m_buffer.GetHeight(), TRUE );
+ }
+
+ wxWindow::ScrollWindow( dx, dy, rect );
+
+ //must be done now because quick repeated scrolling will prevent wxPaint
+ //from doing it properly
+ UpdateNow();
+}
+
+void wxVectorCanvas::OnSize(wxSizeEvent &event)
projects / wxWidgets.git / blobdiff