Added automatic dialog scrolling ability

Added ability to resize wizard bitmaps automatically
Made it easier to derive from wxWizard and override behaviour,
mainly by making members protected instead of private



git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50942 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/wizard.h

@@ -68,17 +68,40 @@ public:
     // show the prev/next page, but call TransferDataFromWindow on the current
     // page first and return false without changing the page if
     // TransferDataFromWindow() returns false - otherwise, returns true
-    bool ShowPage(wxWizardPage *page, bool goingForward = true);
+    virtual bool ShowPage(wxWizardPage *page, bool goingForward = true);
 
     // do fill the dialog with controls
     // this is app-overridable to, for example, set help and tooltip text
     virtual void DoCreateControls();
 
+    // Do the adaptation
+    virtual bool DoLayoutAdaptation();
+
+    // Set/get bitmap background colour
+    void SetBitmapBackgroundColour(const wxColour& colour) { m_bitmapBackgroundColour = colour; }
+    const wxColour& GetBitmapBackgroundColour() const { return m_bitmapBackgroundColour; }
+
+    // Set/get bitmap placement (centred, tiled etc.)
+    void SetBitmapPlacement(int placement) { m_bitmapPlacement = placement; }
+    int GetBitmapPlacement() const { return m_bitmapPlacement; }
+
+    // Set/get minimum bitmap width
+    void SetMinimumBitmapWidth(int w) { m_bitmapMinimumWidth = w; }
+    int GetMinimumBitmapWidth() const { return m_bitmapMinimumWidth; }
+
+    // Tile bitmap
+    static bool TileBitmap(const wxRect& rect, wxDC& dc, const wxBitmap& bitmap);
+
 protected:
     // for compatibility only, doesn't do anything any more
     void FinishLayout() { }
 
-private:
+    // Do fit, and adjust to screen size if necessary
+    virtual void DoWizardLayout();
+
+    // Resize bitmap if necessary
+    virtual bool ResizeBitmap(wxBitmap& bmp);
+
     // was the dialog really created?
     bool WasCreated() const { return m_btnPrev != NULL; }
 
@@ -127,6 +150,15 @@ private:
     // Actual position and size of pages
     wxWizardSizer *m_sizerPage;
 
+    // Bitmap background colour if resizing bitmap
+    wxColour    m_bitmapBackgroundColour;
+
+    // Bitmap placement flags
+    int         m_bitmapPlacement;
+
+    // Minimum bitmap width
+    int         m_bitmapMinimumWidth;
+
     friend class wxWizardSizer;
 
     DECLARE_DYNAMIC_CLASS(wxWizard)