X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fa3541bd156c5efaa448b7869d615588e86cd75c..9513c5b609740c15322f2284e5e8b9609eeaa069:/include/wx/gtk/scrolwin.h

diff --git a/include/wx/gtk/scrolwin.h b/include/wx/gtk/scrolwin.h
index 391dadb28e..8209f2d61a 100644
--- a/include/wx/gtk/scrolwin.h
+++ b/include/wx/gtk/scrolwin.h
@@ -1,18 +1,18 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        wx/generic/scrolwin.h
+// Name:        wx/gtk/scrolwin.h
 // Purpose:     wxScrolledWindow class
 // Author:      Robert Roebling
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_GTK_SCROLLWIN_H_
 #define _WX_GTK_SCROLLWIN_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "scrolwin.h"
 #endif
 
@@ -37,18 +37,18 @@ WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
 class WXDLLEXPORT wxScrolledWindow : public wxPanel
 {
 public:
-    wxScrolledWindow();
+    wxScrolledWindow()
+        { Init(); }
+
     wxScrolledWindow(wxWindow *parent,
                      wxWindowID id = -1,
                      const wxPoint& pos = wxDefaultPosition,
                      const wxSize& size = wxDefaultSize,
                      long style = wxScrolledWindowStyle,
                      const wxString& name = wxPanelNameStr)
-    {
-        Create(parent, id, pos, size, style, name);
-    }
+        { Create(parent, id, pos, size, style, name); }
 
-    ~wxScrolledWindow();
+    void Init();
 
     bool Create(wxWindow *parent,
                 wxWindowID id,
@@ -62,12 +62,20 @@ public:
     // window (e.g. a child of it in order to scroll only a portion
     // the area between the scrollbars (spreadsheet: only cell area
     // will move).
-    virtual void SetTargetWindow( wxWindow *target );
-    virtual wxWindow *GetTargetWindow();
+    virtual void SetTargetWindow( wxWindow *target, bool pushEventHandler = FALSE );
+    virtual wxWindow *GetTargetWindow() const;
+
+    // Set the scrolled area of the window.
+    virtual void DoSetVirtualSize( int x, int y );
+
+    // Set the x, y scrolling increments.
+    void SetScrollRate( int xstep, int ystep );
 
     // Number of pixels per user unit (0 or -1 for no scrollbar)
     // Length of virtual canvas in user units
     // Length of page in user units
+    // Default action is to set the virtual size and alter scrollbars
+    // accordingly.
     virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
                              int noUnitsX, int noUnitsY,
                              int xPos = 0, int yPos = 0,
@@ -91,15 +99,28 @@ public:
 
     // Get the view start
     virtual void GetViewStart(int *x, int *y) const;
-    // Compatibility
-    void ViewStart(int *x, int *y) const
-       { GetViewStart( x, y ); }
 
-    // Actual size in pixels when scrolling is taken into account
-    virtual void GetVirtualSize(int *x, int *y) const;
+    // translate between scrolled and unscrolled coordinates
+    void CalcScrolledPosition(int x, int y, int *xx, int *yy) const
+        {  DoCalcScrolledPosition(x, y, xx, yy); }
+    wxPoint CalcScrolledPosition(const wxPoint& pt) const
+    {
+        wxPoint p2;
+        DoCalcScrolledPosition(pt.x, pt.y, &p2.x, &p2.y);
+        return p2;
+    }
+
+    void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const
+        {  DoCalcUnscrolledPosition(x, y, xx, yy); }
+    wxPoint CalcUnscrolledPosition(const wxPoint& pt) const
+    {
+        wxPoint p2;
+        DoCalcUnscrolledPosition(pt.x, pt.y, &p2.x, &p2.y);
+        return p2;
+    }
 
-    virtual void CalcScrolledPosition(int x, int y, int *xx, int *yy) const;
-    virtual void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
+    virtual void DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const;
+    virtual void DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
 
     // Override this function to draw the graphic (or just process EVT_PAINT)
     virtual void OnDraw(wxDC& WXUNUSED(dc)) {}
@@ -108,16 +129,40 @@ public:
     // automatically change the origin according to the scroll position.
     virtual void PrepareDC(wxDC& dc);
 
+    // lay out the window and its children
+    virtual bool Layout();
+
     // Adjust the scrollbars
     virtual void AdjustScrollbars();
-    
+
+    // Set the scale factor, used in PrepareDC
+    void SetScale(double xs, double ys) { m_scaleX = xs; m_scaleY = ys; }
+    double GetScaleX() const { return m_scaleX; }
+    double GetScaleY() const { return m_scaleY; }
+
     // implementation from now on
+    void OnScroll(wxScrollWinEvent& event);
     void OnSize(wxSizeEvent& event);
     void OnPaint(wxPaintEvent& event);
     void OnChar(wxKeyEvent& event);
-    
-    void GtkVScroll( float value );
-    void GtkHScroll( float value );
+
+    void GtkVScroll( float value, unsigned int scroll_type );
+    void GtkHScroll( float value, unsigned int scroll_type );
+    void GtkVConnectEvent();
+    void GtkHConnectEvent();
+    void GtkVDisconnectEvent();
+    void GtkHDisconnectEvent();
+
+    // Calculate scroll increment
+    virtual int CalcScrollInc(wxScrollWinEvent& event);
+
+    // Overridden from wxWindows due callback being static
+    virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
+
+#if WXWIN_COMPATIBILITY_2_2
+    // Compatibility
+    void ViewStart(int *x, int *y) const { GetViewStart( x, y ); }
+#endif // WXWIN_COMPATIBILITY_2_2
 
 protected:
     wxWindow             *m_targetWindow;
@@ -125,13 +170,17 @@ protected:
     int                   m_yScrollPixelsPerLine;
     bool                  m_xScrollingEnabled;
     bool                  m_yScrollingEnabled;
+
+    // FIXME: these next four members are duplicated in the GtkAdjustment
+    //        members of wxWindow.  Can they be safely removed from here?
+
     int                   m_xScrollPosition;
     int                   m_yScrollPosition;
-    int                   m_xScrollLines;
-    int                   m_yScrollLines;
     int                   m_xScrollLinesPerPage;
     int                   m_yScrollLinesPerPage;
 
+    double                m_scaleY,m_scaleX;
+
 private:
     DECLARE_EVENT_TABLE()
     DECLARE_ABSTRACT_CLASS(wxScrolledWindow)
@@ -139,3 +188,5 @@ private:
 
 #endif
     // _WX_GTK_SCROLLWIN_H_
+
+// vi:sts=4:sw=4:et