X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ecab4dba7d33782458d7cc8b91c981d03d7b9e37..eba99da4c0563e6508761272a1e1f1b791d0af6b:/include/wx/generic/scrolwin.h diff --git a/include/wx/generic/scrolwin.h b/include/wx/generic/scrolwin.h index 13c5a2d9f5..91c76bbbf3 100644 --- a/include/wx/generic/scrolwin.h +++ b/include/wx/generic/scrolwin.h @@ -1,135 +1,107 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: scrolwin.h -// Purpose: wxScrolledWindow class +// Name: wx/generic/scrolwin.h +// Purpose: wxGenericScrolledWindow class // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __SCROLWINH_G__ -#define __SCROLWINH_G__ +#ifndef _WX_GENERIC_SCROLLWIN_H_ +#define _WX_GENERIC_SCROLLWIN_H_ -#ifdef __GNUG__ -#pragma interface "scrolwin.h" +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) + #pragma interface "genscrolwin.h" #endif +// ---------------------------------------------------------------------------- +// headers and constants +// ---------------------------------------------------------------------------- + #include "wx/window.h" #include "wx/panel.h" -WXDLLEXPORT_DATA(extern const wxChar*) wxPanelNameStr; +extern WXDLLEXPORT_DATA(const wxChar*) wxPanelNameStr; -class WXDLLEXPORT wxScrolledWindow : public wxPanel -{ -public: - wxScrolledWindow(); - inline wxScrolledWindow(wxWindow *parent, wxWindowID id = -1, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = wxHSCROLL|wxVSCROLL, - const wxString& name = wxPanelNameStr) - { - Create(parent, id, pos, size, style, name); - } +// default scrolled window style +#ifndef wxScrolledWindowStyle + #define wxScrolledWindowStyle (wxHSCROLL | wxVSCROLL) +#endif - ~wxScrolledWindow(); - - bool Create(wxWindow *parent, wxWindowID id, - const wxPoint& pos = wxDefaultPosition, - const wxSize& size = wxDefaultSize, - long style = wxHSCROLL|wxVSCROLL, - const wxString& name = wxPanelNameStr); - - // Normally the wxScrolledWindow 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 ; +// avoid triggering this stupid VC++ warning +#ifdef __VISUALC__ + #pragma warning(disable:4355) // 'this' used in base member initializer list #endif - int GetScrollPageSize(int orient) const ; - void SetScrollPageSize(int orient, int pageSize); +// ---------------------------------------------------------------------------- +// wxGenericScrolledWindow +// ---------------------------------------------------------------------------- - 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); +class WXDLLEXPORT wxGenericScrolledWindow : public wxPanel, + public wxScrollHelper +{ +public: + wxGenericScrolledWindow() : wxScrollHelper(this) { } + wxGenericScrolledWindow(wxWindow *parent, + wxWindowID winid = wxID_ANY, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxScrolledWindowStyle, + const wxString& name = wxPanelNameStr) + : wxScrollHelper(this) + { + Create(parent, winid, pos, size, style, name); + } - // Get the view start - virtual void ViewStart(int *x, int *y) const; + virtual ~wxGenericScrolledWindow(); - // Actual size in pixels when scrolling is taken into account - virtual void GetVirtualSize(int *x, int *y) const; + bool Create(wxWindow *parent, + wxWindowID winid, + const wxPoint& pos = wxDefaultPosition, + const wxSize& size = wxDefaultSize, + long style = wxScrolledWindowStyle, + const wxString& name = wxPanelNameStr); - // 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 PrepareDC(wxDC& dc) { DoPrepareDC(dc); } - virtual void CalcScrolledPosition(int x, int y, int *xx, int *yy) const ; - virtual void CalcUnscrolledPosition(int x, int y, int *xx, int *yy) const ; + // lay out the window and its children + virtual bool Layout(); - // Adjust the scrollbars - virtual void AdjustScrollbars(void); + virtual void DoSetVirtualSize(int x, int y); - // Override this function to draw the graphic (or just process EVT_PAINT) - virtual void OnDraw(wxDC& WXUNUSED(dc)) {}; + // wxWindow's GetBestVirtualSize returns the actual window size, + // whereas we want to return the virtual size + virtual wxSize GetBestVirtualSize() const; - // 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); + // 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; - // implementation from now on - void OnScroll(wxScrollWinEvent& event); - void OnSize(wxSizeEvent& event); +#ifdef __WXMAC__ + virtual bool MacClipChildren() const { return true ; } +#endif +protected: + // this is needed for wxEVT_PAINT processing hack described in + // wxScrollHelperEvtHandler::ProcessEvent() void OnPaint(wxPaintEvent& 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 WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); +#endif // __WXMSW__ private: + DECLARE_DYNAMIC_CLASS_NO_COPY(wxGenericScrolledWindow) DECLARE_EVENT_TABLE() - DECLARE_ABSTRACT_CLASS(wxScrolledWindow) }; +#ifdef __VISUALC__ + #pragma warning(default:4355) +#endif + #endif - // __SCROLWINH_G__ + // _WX_GENERIC_SCROLLWIN_H_ +