/////////////////////////////////////////////////////////////////////////////
-// 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
WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr;
// default scrolled window style
+#ifndef wxScrolledWindowStyle
#define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL)
+#endif
// ----------------------------------------------------------------------------
// wxScrolledWindow
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,
// 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 );
+
+ // wxWindow's GetBestVirtualSize returns the actual window size,
+ // whereas we want to return the virtual size
+ virtual wxSize GetBestVirtualSize() const;
+
+ // Return the size best suited for the current window
+ // (this isn't a virtual size, this is a sensible size for the window)
+ virtual wxSize DoGetBestSize() const;
+
+ // 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,
virtual void GetScrollPixelsPerUnit(int *x_unit, int *y_unit) const;
// Enable/disable Windows scrolling in either direction.
- // If TRUE, wxWindows scrolls the canvas and only a bit of
+ // If TRUE, wxWidgets scrolls the canvas and only a bit of
// the canvas is invalidated; no Clear() is necessary.
// If FALSE, the whole canvas is invalidated and a Clear() is
// necessary. Disable for when the scroll increment is used
// 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)) {}
// Override this function if you don't want to have wxScrolledWindow
// automatically change the origin according to the scroll position.
- virtual void PrepareDC(wxDC& dc);
+ void PrepareDC(wxDC& dc) { DoPrepareDC(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 wxWidgets 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
+
+ virtual void DoPrepareDC(wxDC& dc);
protected:
wxWindow *m_targetWindow;
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)
+ DECLARE_DYNAMIC_CLASS(wxScrolledWindow)
};
#endif
// _WX_GTK_SCROLLWIN_H_
+
+// vi:sts=4:sw=4:et
projects / wxWidgets.git / blobdiff