1. PositionToXY() off-by-2 (!) bug corrected

[wxWidgets.git] / samples / forty / pile.cpp

diff --git a/samples/forty/pile.cpp b/samples/forty/pile.cpp
index fd0f60d388d9965f377c39cc367c91d6986258b5..d92c1d821da8e09329612f0b08ccf7275e533ab2 100644 (file)
--- a/samples/forty/pile.cpp
+++ b/samples/forty/pile.cpp
@@ -41,6 +41,7 @@
 #include "card.h"
 #include "pile.h"
 
+#include "wx/app.h"
 
 //+-------------------------------------------------------------+
 //| Pile::Pile()                                                                                               |
@@ -72,13 +73,22 @@ Pile::Pile(int x, int y, int dx, int dy)
 //|    at the origin of the pile, shifting each subsequent                     |
 //|    card by the pile's x and y offsets.                                                     |
 //+-------------------------------------------------------------+
-void Pile::Redraw(wxDC& dc)
+void Pile::Redraw(wxDC& dc )
 {
+   wxWindow *frame = wxTheApp->GetTopWindow();
+   wxWindow *canvas = (wxWindow *) NULL;
+   if (frame)
+   {
+     wxNode *node = frame->GetChildren().First();
+     if (node) canvas = (wxWindow*)node->Data();
+   }
+
        if (m_topCard >= 0)
        {
                if (m_dx == 0 && m_dy == 0)
                {
-                       m_cards[m_topCard]->Draw(dc, m_x, m_y);
+                       if ((canvas) && (canvas->IsExposed(m_x,m_y,60,200))) 
+                         m_cards[m_topCard]->Draw(dc, m_x, m_y);
                }
                else
                {
@@ -86,14 +96,16 @@ void Pile::Redraw(wxDC& dc)
                        int y = m_y;
                        for (int i = 0; i <= m_topCard; i++)
                        {
-                               m_cards[i]->Draw(dc, x, y);
-                               x += m_dx;
-                               y += m_dy;
+                             if ((canvas) && (canvas->IsExposed(x,y,60,200))) 
+                               m_cards[i]->Draw(dc, x, y);
+                             x += m_dx;
+                             y += m_dy;
                        }
                }
        }
        else
        {
+            if ((canvas) && (canvas->IsExposed(m_x,m_y,60,200))) 
                Card::DrawNullCard(dc, m_x, m_y);
        }
 }