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Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
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Peter Siegmund
2025-10-31 23:37:30 +01:00
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libs/wxWidgets-3.3.1/include/wx/vscroll.h Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: wx/vscroll.h
// Purpose: Variable scrolled windows (wx[V/H/HV]ScrolledWindow)
// Author: Vadim Zeitlin
// Modified by: Brad Anderson, Bryan Petty
// Created: 30.05.03
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_VSCROLL_H_
#define _WX_VSCROLL_H_
#include "wx/panel.h"
#include "wx/position.h"
#include "wx/scrolwin.h"
class WXDLLIMPEXP_FWD_CORE wxVarScrollHelperEvtHandler;
// Using the same techniques as the wxScrolledWindow class |
// hierarchy, the wx[V/H/HV]ScrolledWindow classes are slightly |
// more complex (compare with the diagram outlined in |
// scrolwin.h) for the purpose of reducing code duplication |
// through the use of mix-in classes. |
// |
// wxAnyScrollHelperBase |
// | |
// | |
// | |
// V |
// wxVarScrollHelperBase |
// / \ |
// / \ |
// V V |
// wxVarHScrollHelper wxVarVScrollHelper |
// | \ / | |
// | \ / | |
// | V V | |
// | wxVarHVScrollHelper | |
// | | | |
// | | | |
// | wxPanel | | |
// | / \ \ | | |
// | / \ `-----|----------. | |
// | / \ | \ | |
// | / \ | \ | |
// V V \ | V V |
// wxHScrolledWindow \ | wxVScrolledWindow |
// V V |
// wxHVScrolledWindow |
// |
// |
// Border added to suppress GCC multi-line comment warnings ->|
// ===========================================================================
// wxVarScrollHelperBase
// ===========================================================================
// Provides all base common scroll calculations needed for either orientation,
// automatic scrollbar functionality, saved scroll positions, functionality
// for changing the target window to be scrolled, as well as defining all
// required virtual functions that need to be implemented for any orientation
// specific work.
class WXDLLIMPEXP_CORE wxVarScrollHelperBase : public wxAnyScrollHelperBase
{
public:
// constructors and such
// ---------------------
wxVarScrollHelperBase(wxWindow *winToScroll);
virtual ~wxVarScrollHelperBase();
// operations
// ----------
// with physical scrolling on, the device origin is changed properly when
// a wxPaintDC is prepared, children are actually moved and laid out
// properly, and the contents of the window (pixels) are actually moved
void EnablePhysicalScrolling(bool scrolling = true)
{ m_physicalScrolling = scrolling; }
// wxNOT_FOUND if none, i.e. if it is below the last item
int VirtualHitTest(wxCoord coord) const;
// recalculate all our parameters and redisplay all units
virtual void RefreshAll();
// accessors
// ---------
// get the first currently visible unit
size_t GetVisibleBegin() const { return m_unitFirst; }
// get the last currently visible unit
size_t GetVisibleEnd() const
{ return m_unitFirst + m_nUnitsVisible; }
// is this unit currently visible?
bool IsVisible(size_t unit) const
{ return unit >= m_unitFirst && unit < GetVisibleEnd(); }
// translate between scrolled and unscrolled coordinates
int CalcScrolledPosition(int coord) const
{ return DoCalcScrolledPosition(coord); }
int CalcUnscrolledPosition(int coord) const
{ return DoCalcUnscrolledPosition(coord); }
virtual int DoCalcScrolledPosition(int coord) const;
virtual int DoCalcUnscrolledPosition(int coord) const;
// update the thumb size shown by the scrollbar
virtual void UpdateScrollbar();
void RemoveScrollbar();
// 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);
// change the DC origin according to the scroll position. To properly
// forward calls to wxWindow::Layout use WX_FORWARD_TO_SCROLL_HELPER()
// derived class
virtual void DoPrepareDC(wxDC& dc) override;
// the methods to be called from the window event handlers
void HandleOnScroll(wxScrollWinEvent& event);
void HandleOnSize(wxSizeEvent& event);
#if wxUSE_MOUSEWHEEL
void HandleOnMouseWheel(wxMouseEvent& event);
#endif // wxUSE_MOUSEWHEEL
// these functions must be overridden in the derived class to return
// orientation specific data (e.g. the width for vertically scrolling
// derivatives in the case of GetOrientationTargetSize())
virtual int GetOrientationTargetSize() const = 0;
virtual int GetNonOrientationTargetSize() const = 0;
virtual wxOrientation GetOrientation() const = 0;
protected:
// all *Unit* functions are protected to be exposed by
// wxVarScrollHelperBase implementations (with appropriate names)
// get the number of units this window contains (previously set by
// SetUnitCount())
size_t GetUnitCount() const { return m_unitMax; }
// set the number of units the helper contains: the derived class must
// provide the sizes for all units with indices up to the one given here
// in its OnGetUnitSize()
void SetUnitCount(size_t count);
// redraw the specified unit
virtual void RefreshUnit(size_t unit);
// redraw all units in the specified range (inclusive)
virtual void RefreshUnits(size_t from, size_t to);
// scroll to the specified unit: it will become the first visible unit in
// the window
//
// return true if we scrolled the window, false if nothing was done
bool DoScrollToUnit(size_t unit);
// scroll by the specified number of units/pages
virtual bool DoScrollUnits(int units);
virtual bool DoScrollPages(int pages);
// this function must be overridden in the derived class and it should
// return the size of the given unit in pixels
virtual wxCoord OnGetUnitSize(size_t n) const = 0;
// this function doesn't have to be overridden but it may be useful to do
// it if calculating the units' sizes is a relatively expensive operation
// as it gives the user code a possibility to calculate several of them at
// once
//
// OnGetUnitsSizeHint() is normally called just before OnGetUnitSize() but
// you shouldn't rely on the latter being called for all units in the
// interval specified here. It is also possible that OnGetUnitHeight() will
// be called for the units outside of this interval, so this is really just
// a hint, not a promise.
//
// finally note that unitMin is inclusive, while unitMax is exclusive, as
// usual
virtual void OnGetUnitsSizeHint(size_t WXUNUSED(unitMin),
size_t WXUNUSED(unitMax)) const
{ }
// when the number of units changes, we try to estimate the total size
// of all units which is a rather expensive operation in terms of unit
// access, so if the user code may estimate the average size
// better/faster than we do, it should override this function to implement
// its own logic
//
// this function should return the best guess for the total size it may
// make
virtual wxCoord EstimateTotalSize() const { return DoEstimateTotalSize(); }
wxCoord DoEstimateTotalSize() const;
// find the index of the unit we need to show to fit the specified unit on
// the opposite side either fully or partially (depending on fullyVisible)
size_t FindFirstVisibleFromLast(size_t last,
bool fullyVisible = false) const;
// get the total size of the units between unitMin (inclusive) and
// unitMax (exclusive)
wxCoord GetUnitsSize(size_t unitMin, size_t unitMax) const;
// get the offset of the first visible unit
wxCoord GetScrollOffset() const
{ return GetUnitsSize(0, GetVisibleBegin()); }
// get the size of the target window
wxSize GetTargetSize() const { return m_targetWindow->GetClientSize(); }
void GetTargetSize(int *w, int *h)
{
wxSize size = GetTargetSize();
if ( w )
*w = size.x;
if ( h )
*h = size.y;
}
// calculate the new scroll position based on scroll event type
size_t GetNewScrollPosition(wxScrollWinEvent& event) const;
// replacement implementation of wxWindow::Layout virtual method. To
// properly forward calls to wxWindow::Layout use
// WX_FORWARD_TO_SCROLL_HELPER() derived class
bool ScrollLayout();
#ifdef __WXMAC__
// queue mac window update after handling scroll event
virtual void UpdateMacScrollWindow() { }
#endif // __WXMAC__
// change the target window
void DoSetTargetWindow(wxWindow *target);
// delete the event handler we installed
void DeleteEvtHandler();
// helper function abstracting the orientation test: with vertical
// orientation, it assigns the first value to x and the second one to y,
// with horizontal orientation it reverses them, i.e. the first value is
// assigned to y and the second one to x
void AssignOrient(wxCoord& x, wxCoord& y, wxCoord first, wxCoord second);
// similar to "oriented assignment" above but does "oriented increment":
// for vertical orientation, y is incremented by the given value and x if
// left unchanged, for horizontal orientation x is incremented
void IncOrient(wxCoord& x, wxCoord& y, wxCoord inc);
private:
// the total number of (logical) units
size_t m_unitMax;
// the total (estimated) size
wxCoord m_sizeTotal;
// the first currently visible unit
size_t m_unitFirst;
// the number of currently visible units (including the last, possibly only
// partly, visible one)
size_t m_nUnitsVisible;
// accumulated mouse wheel rotation
#if wxUSE_MOUSEWHEEL
int m_sumWheelRotation;
#endif
// do child scrolling (used in DoPrepareDC())
bool m_physicalScrolling;
// handler injected into target window to forward some useful events to us
wxVarScrollHelperEvtHandler *m_handler;
};
// ===========================================================================
// wxVarVScrollHelper
// ===========================================================================
// Provides public API functions targeted for vertical-specific scrolling,
// wrapping the functionality of wxVarScrollHelperBase.
class WXDLLIMPEXP_CORE wxVarVScrollHelper : public wxVarScrollHelperBase
{
public:
// constructors and such
// ---------------------
// ctor must be given the associated window
wxVarVScrollHelper(wxWindow *winToScroll)
: wxVarScrollHelperBase(winToScroll)
{
}
// operators
void SetRowCount(size_t rowCount) { SetUnitCount(rowCount); }
bool ScrollToRow(size_t row) { return DoScrollToUnit(row); }
virtual bool ScrollRows(int rows)
{ return DoScrollUnits(rows); }
virtual bool ScrollRowPages(int pages)
{ return DoScrollPages(pages); }
virtual void RefreshRow(size_t row)
{ RefreshUnit(row); }
virtual void RefreshRows(size_t from, size_t to)
{ RefreshUnits(from, to); }
// accessors
size_t GetRowCount() const { return GetUnitCount(); }
size_t GetVisibleRowsBegin() const { return GetVisibleBegin(); }
size_t GetVisibleRowsEnd() const { return GetVisibleEnd(); }
bool IsRowVisible(size_t row) const { return IsVisible(row); }
virtual int GetOrientationTargetSize() const override
{ return GetTargetWindow()->GetClientSize().y; }
virtual int GetNonOrientationTargetSize() const override
{ return GetTargetWindow()->GetClientSize().x; }
virtual wxOrientation GetOrientation() const override { return wxVERTICAL; }
protected:
// this function must be overridden in the derived class and it should
// return the size of the given row in pixels
virtual wxCoord OnGetRowHeight(size_t n) const = 0;
wxCoord OnGetUnitSize(size_t n) const override { return OnGetRowHeight(n); }
virtual void OnGetRowsHeightHint(size_t WXUNUSED(rowMin),
size_t WXUNUSED(rowMax)) const { }
// forward calls to OnGetRowsHeightHint()
virtual void OnGetUnitsSizeHint(size_t unitMin, size_t unitMax) const override
{ OnGetRowsHeightHint(unitMin, unitMax); }
// again, if not overridden, it will fall back on default method
virtual wxCoord EstimateTotalHeight() const
{ return DoEstimateTotalSize(); }
// forward calls to EstimateTotalHeight()
virtual wxCoord EstimateTotalSize() const override { return EstimateTotalHeight(); }
wxCoord GetRowsHeight(size_t rowMin, size_t rowMax) const
{ return GetUnitsSize(rowMin, rowMax); }
};
// ===========================================================================
// wxVarHScrollHelper
// ===========================================================================
// Provides public API functions targeted for horizontal-specific scrolling,
// wrapping the functionality of wxVarScrollHelperBase.
class WXDLLIMPEXP_CORE wxVarHScrollHelper : public wxVarScrollHelperBase
{
public:
// constructors and such
// ---------------------
// ctor must be given the associated window
wxVarHScrollHelper(wxWindow *winToScroll)
: wxVarScrollHelperBase(winToScroll)
{
}
// operators
void SetColumnCount(size_t columnCount)
{ SetUnitCount(columnCount); }
bool ScrollToColumn(size_t column)
{ return DoScrollToUnit(column); }
virtual bool ScrollColumns(int columns)
{ return DoScrollUnits(columns); }
virtual bool ScrollColumnPages(int pages)
{ return DoScrollPages(pages); }
virtual void RefreshColumn(size_t column)
{ RefreshUnit(column); }
virtual void RefreshColumns(size_t from, size_t to)
{ RefreshUnits(from, to); }
// accessors
size_t GetColumnCount() const
{ return GetUnitCount(); }
size_t GetVisibleColumnsBegin() const
{ return GetVisibleBegin(); }
size_t GetVisibleColumnsEnd() const
{ return GetVisibleEnd(); }
bool IsColumnVisible(size_t column) const
{ return IsVisible(column); }
virtual int GetOrientationTargetSize() const override
{ return GetTargetWindow()->GetClientSize().x; }
virtual int GetNonOrientationTargetSize() const override
{ return GetTargetWindow()->GetClientSize().y; }
virtual wxOrientation GetOrientation() const override { return wxHORIZONTAL; }
protected:
// this function must be overridden in the derived class and it should
// return the size of the given column in pixels
virtual wxCoord OnGetColumnWidth(size_t n) const = 0;
wxCoord OnGetUnitSize(size_t n) const override { return OnGetColumnWidth(n); }
virtual void OnGetColumnsWidthHint(size_t WXUNUSED(columnMin),
size_t WXUNUSED(columnMax)) const
{ }
// forward calls to OnGetColumnsWidthHint()
virtual void OnGetUnitsSizeHint(size_t unitMin, size_t unitMax) const override
{ OnGetColumnsWidthHint(unitMin, unitMax); }
// again, if not overridden, it will fall back on default method
virtual wxCoord EstimateTotalWidth() const { return DoEstimateTotalSize(); }
// forward calls to EstimateTotalWidth()
virtual wxCoord EstimateTotalSize() const override { return EstimateTotalWidth(); }
wxCoord GetColumnsWidth(size_t columnMin, size_t columnMax) const
{ return GetUnitsSize(columnMin, columnMax); }
};
// ===========================================================================
// wxVarHVScrollHelper
// ===========================================================================
// Provides public API functions targeted at functions with similar names in
// both wxVScrollHelper and wxHScrollHelper so class scope doesn't need to be
// specified (since we are using multiple inheritance). It also provides
// functions to make changing values for both orientations at the same time
// easier.
class WXDLLIMPEXP_CORE wxVarHVScrollHelper : public wxVarVScrollHelper,
public wxVarHScrollHelper
{
public:
// constructors and such
// ---------------------
// ctor must be given the associated window
wxVarHVScrollHelper(wxWindow *winToScroll)
: wxVarVScrollHelper(winToScroll), wxVarHScrollHelper(winToScroll) { }
// operators
// ---------
// set the number of units the window contains for each axis: the derived
// class must provide the widths and heights for all units with indices up
// to each of the one given here in its OnGetColumnWidth() and
// OnGetRowHeight()
void SetRowColumnCount(size_t rowCount, size_t columnCount);
// with physical scrolling on, the device origin is changed properly when
// a wxPaintDC is prepared, children are actually moved and laid out
// properly, and the contents of the window (pixels) are actually moved
void EnablePhysicalScrolling(bool vscrolling = true, bool hscrolling = true)
{
wxVarVScrollHelper::EnablePhysicalScrolling(vscrolling);
wxVarHScrollHelper::EnablePhysicalScrolling(hscrolling);
}
// scroll to the specified row/column: it will become the first visible
// cell in the window
//
// return true if we scrolled the window, false if nothing was done
bool ScrollToRowColumn(size_t row, size_t column);
bool ScrollToRowColumn(const wxPosition &pos)
{ return ScrollToRowColumn(pos.GetRow(), pos.GetColumn()); }
// redraw the specified cell
virtual void RefreshRowColumn(size_t row, size_t column);
virtual void RefreshRowColumn(const wxPosition &pos)
{ RefreshRowColumn(pos.GetRow(), pos.GetColumn()); }
// redraw the specified regions (inclusive). If the target window for
// both orientations is the same the rectangle of cells is refreshed; if
// the target windows differ the entire client size opposite the
// orientation direction is refreshed between the specified limits
virtual void RefreshRowsColumns(size_t fromRow, size_t toRow,
size_t fromColumn, size_t toColumn);
virtual void RefreshRowsColumns(const wxPosition& from,
const wxPosition& to)
{
RefreshRowsColumns(from.GetRow(), to.GetRow(),
from.GetColumn(), to.GetColumn());
}
// locate the virtual position from the given device coordinates
wxPosition VirtualHitTest(wxCoord x, wxCoord y) const;
wxPosition VirtualHitTest(const wxPoint &pos) const
{ return VirtualHitTest(pos.x, pos.y); }
// change the DC origin according to the scroll position. To properly
// forward calls to wxWindow::Layout use WX_FORWARD_TO_SCROLL_HELPER()
// derived class. We use this version to call both base classes'
// DoPrepareDC()
virtual void DoPrepareDC(wxDC& dc) override;
// replacement implementation of wxWindow::Layout virtual method. To
// properly forward calls to wxWindow::Layout use
// WX_FORWARD_TO_SCROLL_HELPER() derived class. We use this version to
// call both base classes' ScrollLayout()
bool ScrollLayout();
// accessors
// ---------
// get the number of units this window contains (previously set by
// Set[Column/Row/RowColumn/Unit]Count())
wxSize GetRowColumnCount() const;
// get the first currently visible units
wxPosition GetVisibleBegin() const;
wxPosition GetVisibleEnd() const;
// is this cell currently visible?
bool IsVisible(size_t row, size_t column) const;
bool IsVisible(const wxPosition &pos) const
{ return IsVisible(pos.GetRow(), pos.GetColumn()); }
};
// this macro must be used in declaration of wxVarScrollHelperBase-derived
// classes
#define WX_FORWARD_TO_VAR_SCROLL_HELPER() \
public: \
virtual void PrepareDC(wxDC& dc) override { DoPrepareDC(dc); } \
virtual bool Layout() override { return ScrollLayout(); }
// ===========================================================================
// wxVScrolledWindow
// ===========================================================================
// In the name of this class, "V" may stand for "variable" because it can be
// used for scrolling rows of variable heights; "virtual", because it is not
// necessary to know the heights of all rows in advance -- only those which
// are shown on the screen need to be measured; or even "vertical", because
// this class only supports scrolling vertically.
// In any case, this is a generalization of the wxScrolledWindow class which
// can be only used when all rows have the same heights. It lacks some other
// wxScrolledWindow features however, notably it can't scroll only a rectangle
// of the window and not its entire client area.
template<class T>
class wxVScrolled : public T,
public wxVarVScrollHelper
{
public:
// constructors and such
// ---------------------
// default ctor, you must call Create() later
wxVScrolled() : wxVarVScrollHelper(this) { }
// normal ctor, no need to call Create() after this one
//
// note that wxVSCROLL is always automatically added to our style, there is
// no need to specify it explicitly
wxVScrolled(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxASCII_STR(wxPanelNameStr))
: wxVarVScrollHelper(this)
{
(void)Create(parent, id, pos, size, style, name);
}
// same as the previous ctor but returns status code: true if ok
//
// just as with the ctor above, wxVSCROLL style is always used, there is no
// need to specify it
bool Create(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxASCII_STR(wxPanelNameStr))
{
return static_cast<T*>(this)->Create(parent, id, pos, size, style | wxVSCROLL, name);
}
WX_FORWARD_TO_VAR_SCROLL_HELPER()
#ifdef __WXMAC__
protected:
virtual void UpdateMacScrollWindow() override { this->Update(); }
#endif // __WXMAC__
private:
wxDECLARE_NO_COPY_CLASS(wxVScrolled);
};
// for compatibility with existing code, we provide wxVScrolledWindow
// "typedef" for wxVScrolled<wxPanel>. It's not a real typedef because we
// want wxVScrolledWindow to show in wxRTTI information:
class WXDLLIMPEXP_CORE wxVScrolledWindow : public wxVScrolled<wxPanel>
{
public:
wxVScrolledWindow() : wxVScrolled<wxPanel>() {}
wxVScrolledWindow(wxWindow *parent,
wxWindowID winid = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxScrolledWindowStyle,
const wxString& name = wxASCII_STR(wxPanelNameStr))
: wxVScrolled<wxPanel>(parent, winid, pos, size, style, name) {}
wxDECLARE_ABSTRACT_CLASS(wxVScrolledWindow);
};
// Parallel to wxVScrolledWindow, we provide wxVScrolledCanvas
// "typedef" for wxVScrolled<wxWindow>. It's not a real typedef because we
// want wxVScrolledCanvas to show in wxRTTI information:
class WXDLLIMPEXP_CORE wxVScrolledCanvas : public wxVScrolled<wxWindow>
{
public:
wxVScrolledCanvas() : wxVScrolled<wxWindow>() {}
wxVScrolledCanvas(wxWindow *parent,
wxWindowID winid = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxScrolledWindowStyle,
const wxString& name = wxASCII_STR(wxPanelNameStr))
: wxVScrolled<wxWindow>(parent, winid, pos, size, style, name) {}
wxDECLARE_ABSTRACT_CLASS(wxVScrolledCanvas);
};
// ===========================================================================
// wxHScrolledWindow
// ===========================================================================
// In the name of this class, "H" stands for "horizontal" because it can be
// used for scrolling columns of variable widths. It is not necessary to know
// the widths of all columns in advance -- only those which are shown on the
// screen need to be measured.
// This is a generalization of the wxScrolledWindow class which can be only
// used when all columns have the same width. It lacks some other
// wxScrolledWindow features however, notably it can't scroll only a rectangle
// of the window and not its entire client area.
class WXDLLIMPEXP_CORE wxHScrolledWindow : public wxPanel,
public wxVarHScrollHelper
{
public:
// constructors and such
// ---------------------
// default ctor, you must call Create() later
wxHScrolledWindow() : wxVarHScrollHelper(this) { }
// normal ctor, no need to call Create() after this one
//
// note that wxHSCROLL is always automatically added to our style, there is
// no need to specify it explicitly
wxHScrolledWindow(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxASCII_STR(wxPanelNameStr))
: wxVarHScrollHelper(this)
{
(void)Create(parent, id, pos, size, style, name);
}
// same as the previous ctor but returns status code: true if ok
//
// just as with the ctor above, wxHSCROLL style is always used, there is no
// need to specify it
bool Create(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxASCII_STR(wxPanelNameStr))
{
return wxPanel::Create(parent, id, pos, size, style | wxHSCROLL, name);
}
WX_FORWARD_TO_VAR_SCROLL_HELPER()
#ifdef __WXMAC__
protected:
virtual void UpdateMacScrollWindow() override { Update(); }
#endif // __WXMAC__
private:
wxDECLARE_NO_COPY_CLASS(wxHScrolledWindow);
wxDECLARE_ABSTRACT_CLASS(wxHScrolledWindow);
};
// ===========================================================================
// wxHVScrolledWindow
// ===========================================================================
// This window inherits all functionality of both vertical and horizontal
// scrolled windows automatically handling everything needed to scroll both
// axis simultaneously.
class WXDLLIMPEXP_CORE wxHVScrolledWindow : public wxPanel,
public wxVarHVScrollHelper
{
public:
// constructors and such
// ---------------------
// default ctor, you must call Create() later
wxHVScrolledWindow()
: wxPanel(),
wxVarHVScrollHelper(this) { }
// normal ctor, no need to call Create() after this one
//
// note that wxVSCROLL and wxHSCROLL are always automatically added to our
// style, there is no need to specify them explicitly
wxHVScrolledWindow(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxASCII_STR(wxPanelNameStr))
: wxPanel(),
wxVarHVScrollHelper(this)
{
(void)Create(parent, id, pos, size, style, name);
}
// same as the previous ctor but returns status code: true if ok
//
// just as with the ctor above, wxVSCROLL and wxHSCROLL styles are always
// used, there is no need to specify them
bool Create(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxASCII_STR(wxPanelNameStr))
{
return wxPanel::Create(parent, id, pos, size,
style | wxVSCROLL | wxHSCROLL, name);
}
WX_FORWARD_TO_VAR_SCROLL_HELPER()
#ifdef __WXMAC__
protected:
virtual void UpdateMacScrollWindow() override { Update(); }
#endif // __WXMAC__
private:
wxDECLARE_NO_COPY_CLASS(wxHVScrolledWindow);
wxDECLARE_ABSTRACT_CLASS(wxHVScrolledWindow);
};
#endif // _WX_VSCROLL_H_