void
FieldView::SelectTile(const BPoint &pt)
{
BRect r(gGameStyle->TileSize());
IntPoint oldSelection(fSelection.x,fSelection.y);
fSelection.x = uint16(pt.x / (r.Width() + 1.0));
fSelection.y = uint16(pt.y / (r.Height() + 1.0));
Invalidate(gGameStyle->TileRect(oldSelection.x,oldSelection.y));
Invalidate(gGameStyle->TileRect(fSelection.x,fSelection.y));
Window()->UpdateIfNeeded();
}
bool wxJigsawEditorCanvas::AutoScroll(const wxPoint & currentPos, const wxPoint & scrollPos)
{
bool res = false;
// If mouse is captured set rect coords if inside the image and autoscroll if posible
// get image display rectangle
wxRect displayRect = GetDisplayRect(scrollPos);
wxSize oldSelection(m_TR.x-m_BL.x, m_TR.y-m_BL.y);
// check if the current drag position is inside the image - do not allow to draw rectangle out of the image
m_TR.x =
wxMin(wxMax(currentPos.x, displayRect.GetLeft()), displayRect.GetRight());
m_TR.y =
wxMin(wxMax(currentPos.y, displayRect.GetTop()), displayRect.GetBottom());
// Check current drag position and update scroll regularly
if(currentPos.x <= 0)
{
Scroll(wxPoint(wxMax(scrollPos.x - wxJigsawEditorCanvas::ScrollIncrement, 0), -1));
m_BL.x += (scrollPos.x - GetScrollPosition().x);
res = true;
}
if(currentPos.y <= 0)
{
Scroll(wxPoint(-1,wxMax(scrollPos.y - wxJigsawEditorCanvas::ScrollIncrement, 0)));
m_BL.y += (scrollPos.y - GetScrollPosition().y);
res = true;
}
if(currentPos.x >= GetClientSize().GetWidth())
{
Scroll(wxPoint(scrollPos.x + wxJigsawEditorCanvas::ScrollIncrement, -1));
m_BL.x -= (GetScrollPosition().x - scrollPos.x);
res = true;
}
if(currentPos.y >= GetClientSize().y)
{
Scroll(wxPoint(-1, scrollPos.y + wxJigsawEditorCanvas::ScrollIncrement));
m_BL.y -= (GetScrollPosition().y - scrollPos.y);
res = true;
}
m_SelectionRect = wxRect(wxMin(m_TR.x, m_BL.x), wxMin(m_TR.y, m_BL.y),
abs(m_TR.x-m_BL.x), abs(m_TR.y-m_BL.y));
if(HasCapture())
{
if(m_View && m_View->GetSelectedObject() && (m_Mode == wxJSEC_MODE_DRAGGING))
{
/*wxSize offset(m_TR.x-m_BL.x-oldSelection.GetWidth(),
m_TR.y-m_BL.y-oldSelection.GetHeight());*/
wxPoint cursorPosOnDiagram = currentPos;
cursorPosOnDiagram.x /= m_View->GetScale();
cursorPosOnDiagram.y /= m_View->GetScale();
cursorPosOnDiagram.x -= m_View->GetViewOffset().x;
cursorPosOnDiagram.y -= m_View->GetViewOffset().y;
m_SelectedObjectOffset.x /= m_View->GetScale();
m_SelectedObjectOffset.y /= m_View->GetScale();
m_View->GetSelectedObject()->Drag(m_DoubleBufferDC, cursorPosOnDiagram, m_SelectedObjectOffset,
m_View->GetScale());
GetDocument()->Modify(true);
AdjustScrollBars();
}
}
return res;
}