X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fa3541bd156c5efaa448b7869d615588e86cd75c..5f5170757978446576fe4ca1cdcf19e402dab412:/include/wx/generic/scrolwin.h?ds=sidebyside diff --git a/include/wx/generic/scrolwin.h b/include/wx/generic/scrolwin.h index 1c9d92168b..acf05c500b 100644 --- a/include/wx/generic/scrolwin.h +++ b/include/wx/generic/scrolwin.h @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////// // Name: wx/generic/scrolwin.h -// Purpose: wxScrolledWindow class +// Purpose: wxGenericScrolledWindow class // Author: Julian Smart // Modified by: // Created: 01/02/97 @@ -13,7 +13,7 @@ #define _WX_GENERIC_SCROLLWIN_H_ #ifdef __GNUG__ - #pragma interface "scrolwin.h" + #pragma interface "genscrolwin.h" #endif // ---------------------------------------------------------------------------- @@ -30,25 +30,32 @@ WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr; #define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL) #endif +// avoid triggering this stupid VC++ warning +#ifdef __VISUALC__ + #pragma warning(disable:4355) // 'this' used in base member initializer list +#endif + // ---------------------------------------------------------------------------- // wxGenericScrolledWindow // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel +class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel, + public wxScrollHelper { public: - wxGenericScrolledWindow(); + wxGenericScrolledWindow() : wxScrollHelper(this) { } wxGenericScrolledWindow(wxWindow *parent, wxWindowID id = -1, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxScrolledWindowStyle, const wxString& name = wxPanelNameStr) + : wxScrollHelper(this) { Create(parent, id, pos, size, style, name); } - ~wxGenericScrolledWindow(); + virtual ~wxGenericScrolledWindow(); bool Create(wxWindow *parent, wxWindowID id, @@ -57,98 +64,34 @@ public: long style = wxScrolledWindowStyle, const wxString& name = wxPanelNameStr); - // Normally the wxGenericScrolledWindow will scroll itself, but in - // some rare occasions you might want it to scroll another - // 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(); - - // 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 - virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY, - int noUnitsX, int noUnitsY, - int xPos = 0, int yPos = 0, - bool noRefresh = FALSE ); - - // Physically scroll the window - virtual void Scroll(int x_pos, int y_pos); - -#if WXWIN_COMPATIBILITY - virtual void GetScrollUnitsPerPage(int *x_page, int *y_page) const; - virtual void CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const; -#endif - - int GetScrollPageSize(int orient) const; - void SetScrollPageSize(int orient, int pageSize); - - 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 - // 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 - // to actually scroll a non-constant distance - virtual void EnableScrolling(bool x_scrolling, bool y_scrolling); - - // 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; - - // 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; } - - 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 PrepareDC(wxDC& dc) { DoPrepareDC(dc); } - // Adjust the scrollbars - virtual void AdjustScrollbars(void); + // lay out the window and its children + virtual bool Layout(); - // Override this function to draw the graphic (or just process EVT_PAINT) - virtual void OnDraw(wxDC& WXUNUSED(dc)) {}; + virtual void DoSetVirtualSize( int x, int y ); - // Override this function if you don't want to have wxGenericScrolledWindow - // automatically change the origin according to the scroll position. - virtual void PrepareDC(wxDC& dc); - - // implementation from now on - void OnScroll(wxScrollWinEvent& event); - void OnSize(wxSizeEvent& event); +protected: + // this is needed for wxEVT_PAINT processing hack described in + // wxScrollHelperEvtHandler::ProcessEvent() void OnPaint(wxPaintEvent& event); - void OnChar(wxKeyEvent& event); - // Calculate scroll increment - virtual int CalcScrollInc(wxScrollWinEvent& event); - -protected: - wxWindow *m_targetWindow; - int m_xScrollPixelsPerLine; - int m_yScrollPixelsPerLine; - bool m_xScrollingEnabled; - bool m_yScrollingEnabled; - int m_xScrollPosition; - int m_yScrollPosition; - int m_xScrollLines; - int m_yScrollLines; - int m_xScrollLinesPerPage; - int m_yScrollLinesPerPage; - double m_scaleX; - double m_scaleY; + // we need to return a special WM_GETDLGCODE value to process just the + // arrows but let the other navigation characters through +#ifdef __WXMSW__ + virtual long MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); +#endif // __WXMSW__ private: - DECLARE_EVENT_TABLE() DECLARE_ABSTRACT_CLASS(wxGenericScrolledWindow) + DECLARE_EVENT_TABLE() }; +#ifdef __VISUALC__ + #pragma warning(default:4355) +#endif + #endif // _WX_GENERIC_SCROLLWIN_H_ + +// vi:sts=4:sw=4:et