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further untangle generic and native GTK implementations of wxScrollHelper: use the standard wxScrollHelperBase/wxScrollHelper naming convention and move the stuff unused by GTK in the generic implementation

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57531 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2008-12-24 16:43:30 +00:00
parent 69e9752529
commit 29e1398fa0
7 changed files with 738 additions and 703 deletions
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59
include/wx/scrolwin.h
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@@ -37,11 +37,11 @@ enum wxScrollbarVisibility
//
// So we have
//
// wxScrollHelper
// wxScrollHelperBase
// |
// |
// \|/
// wxWindow wxScrollHelperNative
// wxWindow wxScrollHelper
// | \ / /
// | \ / /
// | _| |_ /
@@ -56,12 +56,12 @@ enum wxScrollbarVisibility
//
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxScrollHelper
class WXDLLIMPEXP_CORE wxScrollHelperBase
{
public:
// ctor must be given the associated window
wxScrollHelper(wxWindow *winToScroll);
virtual ~wxScrollHelper();
wxScrollHelperBase(wxWindow *winToScroll);
virtual ~wxScrollHelperBase();
// configure the scrolling
virtual void SetScrollbars(int pixelsPerUnitX, int pixelsPerUnitY,
@@ -85,8 +85,7 @@ public:
void SetScrollRate( int xstep, int ystep );
// get the size of one logical unit in physical ones
virtual void GetScrollPixelsPerUnit(int *pixelsPerUnitX,
int *pixelsPerUnitY) const;
void GetScrollPixelsPerUnit(int *pixelsPerUnitX, int *pixelsPerUnitY) const;
// Set scrollbar visibility: it is possible to show scrollbar only if it is
// needed (i.e. if our virtual size is greater than the current size of the
@@ -139,21 +138,21 @@ public:
return p2;
}
virtual void DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const;
virtual void DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
void DoCalcScrolledPosition(int x, int y, int *xx, int *yy) const;
void DoCalcUnscrolledPosition(int x, int y, int *xx, int *yy) const;
// Adjust the scrollbars
virtual void AdjustScrollbars(void);
virtual void AdjustScrollbars() = 0;
// Calculate scroll increment
virtual int CalcScrollInc(wxScrollWinEvent& event);
int CalcScrollInc(wxScrollWinEvent& event);
// Normally the wxScrolledWindow will scroll itself, but in some rare
// occasions you might want it to scroll [part of] 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() const;
void SetTargetWindow(wxWindow *target);
wxWindow *GetTargetWindow() const;
void SetTargetRect(const wxRect& rect) { m_rectToScroll = rect; }
wxRect GetTargetRect() const { return m_rectToScroll; }
@@ -219,9 +218,9 @@ protected:
// implementation of public methods with the same name
virtual void DoGetViewStart(int *x, int *y) const;
virtual void DoScroll(int x, int y);
virtual void DoScroll(int x, int y) = 0;
virtual void DoShowScrollbars(wxScrollbarVisibility horz,
wxScrollbarVisibility vert);
wxScrollbarVisibility vert) = 0;
// implementations of various wxWindow virtual methods which should be
// forwarded to us (this can be done by WX_FORWARD_TO_SCROLL_HELPER())
@@ -240,18 +239,6 @@ protected:
// in wxScrollHelperEvtHandler::ProcessEvent()
void ResetDrawnFlag();
// helper of AdjustScrollbars(): does the work for the single scrollbar
//
// notice that the parameters passed by non-const references are modified
// by this function
void AdjustScrollbar(int orient,
int clientSize,
int virtSize,
int& pixelsPerUnit,
int& scrollUnits,
int& scrollPosition,
wxScrollbarVisibility visibility);
// this function should be overridden to return the size available for
// m_targetWindow inside m_win of the given size
//
@@ -297,10 +284,7 @@ protected:
wxScrollHelperEvtHandler *m_handler;
wxScrollbarVisibility m_xVisibility,
m_yVisibility;
DECLARE_NO_COPY_CLASS(wxScrollHelper)
DECLARE_NO_COPY_CLASS(wxScrollHelperBase)
};
// this macro can be used in a wxScrollHelper-derived class to forward wxWindow
@@ -314,13 +298,14 @@ public: \
virtual wxSize GetBestVirtualSize() const \
{ return ScrollGetBestVirtualSize(); }
// include the declaration of wxScrollHelperNative if needed
// include the declaration of the real wxScrollHelper
#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
#include "wx/gtk/scrolwin.h"
#elif defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
#include "wx/gtk1/scrolwin.h"
#else
typedef wxScrollHelper wxScrollHelperNative;
#define wxHAS_GENERIC_SCROLLWIN
#include "wx/generic/scrolwin.h"
#endif
// ----------------------------------------------------------------------------
@@ -331,7 +316,7 @@ public: \
struct WXDLLIMPEXP_CORE wxScrolledT_Helper
{
static wxSize FilterBestSize(const wxWindow *win,
const wxScrollHelperNative *helper,
const wxScrollHelper *helper,
const wxSize& origBest);
#ifdef __WXMSW__
static WXLRESULT FilterMSWWindowProc(WXUINT nMsg, WXLRESULT origResult);
@@ -343,18 +328,18 @@ struct WXDLLIMPEXP_CORE wxScrolledT_Helper
// not always desirable.
template<class T>
class WXDLLIMPEXP_CORE wxScrolled : public T,
public wxScrollHelperNative,
public wxScrollHelper,
private wxScrolledT_Helper
{
public:
wxScrolled() : wxScrollHelperNative(this) { }
wxScrolled() : wxScrollHelper(this) { }
wxScrolled(wxWindow *parent,
wxWindowID winid = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxScrolledWindowStyle,
const wxString& name = wxPanelNameStr)
: wxScrollHelperNative(this)
: wxScrollHelper(this)
{
Create(parent, winid, pos, size, style, name);
}