/// Creation
bool InstanceCtrl::Create(wxWindow* parent, InstanceModel *instList, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
{
m_instList = instList;
if (!wxScrolledCanvas::Create(parent, id, pos, size, style | wxFULL_REPAINT_ON_RESIZE | wxWANTS_CHARS))
return false;
SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
CalculateOverallItemSize();
m_itemsPerRow = CalculateItemsPerRow();
m_intended_column = 0;
SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
SetBackgroundStyle(wxBG_STYLE_CUSTOM);
DisableKeyboardScrolling();
ShowScrollbars(wxSHOW_SB_NEVER, wxSHOW_SB_ALWAYS);
// Tell the sizers to use the given or best size
SetInitialSize(size);
// Create a buffer
RecreateBuffer(size);
return true;
}
/// Sizing
void InstanceCtrl::OnSize(wxSizeEvent& event)
{
int old_rows = GetItemsPerRow();
int new_rows = CalculateItemsPerRow();
if (old_rows != new_rows)
{
SetItemsPerRow(new_rows);
ReflowAll();
}
SetupScrollbars();
RecreateBuffer();
event.Skip();
}
void wxShapeCanvas::OnPaint(wxPaintEvent &WXUNUSED(event))
{
#if OGL_USE_BUFFERED_PAINT
RecreateBuffer();
wxBufferedPaintDC dc(this, m_bufferBitmap);
#else
wxPaintDC dc(this);
#endif
PrepareDC(dc);
DrawBackground(dc, true);
if (GetDiagram())
GetDiagram()->Redraw(dc);
// Necessary or it unscales again if there's a zoom level
dc.SetUserScale(1.0, 1.0);
}
// Object canvas
wxShapeCanvas::wxShapeCanvas(wxWindow *parent, wxWindowID id,
const wxPoint &pos,
const wxSize &size,
long style,
const wxString &name):
wxScrolledWindow(parent, id, pos, size, style | wxVSCROLL | wxHSCROLL, name)
{
m_shapeDiagram = NULL;
m_dragState = NoDragging;
m_draggedShape = NULL;
m_oldDragX = 0;
m_oldDragY = 0;
m_firstDragX = 0;
m_firstDragY = 0;
m_checkTolerance = TRUE;
#if OGL_USE_BUFFERED_PAINT
RecreateBuffer(size);
#endif
}
