dolphin/Externals/wxWidgets3/include/wx/headerctrl.h

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///////////////////////////////////////////////////////////////////////////////
// Name: wx/headerctrl.h
// Purpose: wxHeaderCtrlBase class: interface of wxHeaderCtrl
// Author: Vadim Zeitlin
// Created: 2008-12-01
// RCS-ID: $Id: headerctrl.h 58757 2009-02-08 11:45:59Z VZ $
// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_HEADERCTRL_H_
#define _WX_HEADERCTRL_H_
#include "wx/control.h"
#if wxUSE_HEADERCTRL
#include "wx/dynarray.h"
#include "wx/vector.h"
#include "wx/headercol.h"
// notice that the classes in this header are defined in the core library even
// although currently they're only used by wxGrid which is in wxAdv because we
// plan to use it in wxListCtrl which is in core too in the future
class WXDLLIMPEXP_FWD_CORE wxHeaderCtrlEvent;
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
enum
{
// allow column drag and drop
wxHD_ALLOW_REORDER = 0x0001,
// allow hiding (and showing back) the columns using the menu shown by
// right clicking the header
wxHD_ALLOW_HIDE = 0x0002,
// style used by default when creating the control
wxHD_DEFAULT_STYLE = wxHD_ALLOW_REORDER
};
extern WXDLLIMPEXP_DATA_CORE(const char) wxHeaderCtrlNameStr[];
// ----------------------------------------------------------------------------
// wxHeaderCtrlBase defines the interface of a header control
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxHeaderCtrlBase : public wxControl
{
public:
/*
Derived classes must provide default ctor as well as a ctor and
Create() function with the following signatures:
wxHeaderCtrl(wxWindow *parent,
wxWindowID winid = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxHD_DEFAULT_STYLE,
const wxString& name = wxHeaderCtrlNameStr);
bool Create(wxWindow *parent,
wxWindowID winid = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxHD_DEFAULT_STYLE,
const wxString& name = wxHeaderCtrlNameStr);
*/
// column-related methods
// ----------------------
// set the number of columns in the control
//
// this also calls UpdateColumn() for all columns
void SetColumnCount(unsigned int count);
// return the number of columns in the control as set by SetColumnCount()
unsigned int GetColumnCount() const { return DoGetCount(); }
// return whether the control has any columns
bool IsEmpty() const { return DoGetCount() == 0; }
// update the column with the given index
void UpdateColumn(unsigned int idx)
{
wxCHECK_RET( idx < GetColumnCount(), "invalid column index" );
DoUpdate(idx);
}
// columns order
// -------------
// set the columns order: the array defines the column index which appears
// the given position, it must have GetColumnCount() elements and contain
// all indices exactly once
void SetColumnsOrder(const wxArrayInt& order);
wxArrayInt GetColumnsOrder() const;
// get the index of the column at the given display position
unsigned int GetColumnAt(unsigned int pos) const;
// get the position at which this column is currently displayed
unsigned int GetColumnPos(unsigned int idx) const;
// reset the columns order to the natural one
void ResetColumnsOrder();
// helper function used by the generic version of this control and also
// wxGrid: reshuffles the array of column indices indexed by positions
// (i.e. using the same convention as for SetColumnsOrder()) so that the
// column with the given index is found at the specified position
static void MoveColumnInOrderArray(wxArrayInt& order,
unsigned int idx,
unsigned int pos);
// UI helpers
// ----------
#if wxUSE_MENUS
// show the popup menu containing all columns with check marks for the ones
// which are currently shown and return true if something was done using it
// (in this case UpdateColumnVisibility() will have been called) or false
// if the menu was cancelled
//
// this is called from the default right click handler for the controls
// with wxHD_ALLOW_HIDE style
bool ShowColumnsMenu(const wxPoint& pt, const wxString& title = wxString());
// append the entries for all our columns to the given menu, with the
// currently visible columns being checked
//
// this is used by ShowColumnsMenu() but can also be used if you use your
// own custom columns menu but nevertheless want to show all the columns in
// it
//
// the ids of the items corresponding to the columns are consecutive and
// start from idColumnsBase
void AddColumnsItems(wxMenu& menu, int idColumnsBase = 0);
#endif // wxUSE_MENUS
// show the columns customization dialog and return true if something was
// changed using it (in which case UpdateColumnVisibility() and/or
// UpdateColumnsOrder() will have been called)
//
// this is called by the control itself from ShowColumnsMenu() (which in
// turn is only called by the control if wxHD_ALLOW_HIDE style was
// specified) and if the control has wxHD_ALLOW_REORDER style as well
bool ShowCustomizeDialog();
// implementation only from now on
// -------------------------------
// the user doesn't need to TAB to this control
virtual bool AcceptsFocusFromKeyboard() const { return false; }
// this method is only overridden in order to synchronize the control with
// the main window when it is scrolled, the derived class must implement
// DoScrollHorz()
virtual void ScrollWindow(int dx, int dy, const wxRect *rect = NULL);
protected:
// this method must be implemented by the derived classes to return the
// information for the given column
virtual const wxHeaderColumn& GetColumn(unsigned int idx) const = 0;
// this method is called from the default EVT_HEADER_SEPARATOR_DCLICK
// handler to update the fitting column width of the given column, it
// should return true if the width was really updated
virtual bool UpdateColumnWidthToFit(unsigned int WXUNUSED(idx),
int WXUNUSED(widthTitle))
{
return false;
}
// this method is called from ShowColumnsMenu() and must be overridden to
// update the internal column visibility (there is no need to call
// UpdateColumn() from here, this will be done internally)
virtual void UpdateColumnVisibility(unsigned int WXUNUSED(idx),
bool WXUNUSED(show))
{
wxFAIL_MSG( "must be overridden if called" );
}
// this method is called from ShowCustomizeDialog() to reorder all columns
// at once and should be implemented for controls using wxHD_ALLOW_REORDER
// style (there is no need to call SetColumnsOrder() from here, this is
// done by the control itself)
virtual void UpdateColumnsOrder(const wxArrayInt& WXUNUSED(order))
{
wxFAIL_MSG( "must be overridden if called" );
}
// this method can be overridden in the derived classes to do something
// (e.g. update/resize some internal data structures) before the number of
// columns in the control changes
virtual void OnColumnCountChanging(unsigned int WXUNUSED(count)) { }
// helper function for the derived classes: update the array of column
// indices after the number of columns changed
void DoResizeColumnIndices(wxArrayInt& colIndices, unsigned int count);
private:
// methods implementing our public API and defined in platform-specific
// implementations
virtual void DoSetCount(unsigned int count) = 0;
virtual unsigned int DoGetCount() const = 0;
virtual void DoUpdate(unsigned int idx) = 0;
virtual void DoScrollHorz(int dx) = 0;
virtual void DoSetColumnsOrder(const wxArrayInt& order) = 0;
virtual wxArrayInt DoGetColumnsOrder() const = 0;
// this window doesn't look nice with the border so don't use it by default
virtual wxBorder GetDefaultBorder() const { return wxBORDER_NONE; }
// event handlers
void OnSeparatorDClick(wxHeaderCtrlEvent& event);
#if wxUSE_MENUS
void OnRClick(wxHeaderCtrlEvent& event);
#endif // wxUSE_MENUS
DECLARE_EVENT_TABLE()
};
// ----------------------------------------------------------------------------
// wxHeaderCtrl: port-specific header control implementation, notice that this
// is still an ABC which is meant to be used as part of another
// control, see wxHeaderCtrlSimple for a standalone version
// ----------------------------------------------------------------------------
#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
#include "wx/msw/headerctrl.h"
#else
#define wxHAS_GENERIC_HEADERCTRL
#include "wx/generic/headerctrlg.h"
#endif // platform
// ----------------------------------------------------------------------------
// wxHeaderCtrlSimple: concrete header control which can be used standalone
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxHeaderCtrlSimple : public wxHeaderCtrl
{
public:
// control creation
// ----------------
wxHeaderCtrlSimple() { Init(); }
wxHeaderCtrlSimple(wxWindow *parent,
wxWindowID winid = wxID_ANY,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxHD_DEFAULT_STYLE,
const wxString& name = wxHeaderCtrlNameStr)
{
Init();
Create(parent, winid, pos, size, style, name);
}
// managing the columns
// --------------------
// insert the column at the given position, using GetColumnCount() as
// position appends it at the end
void InsertColumn(const wxHeaderColumnSimple& col, unsigned int idx)
{
wxCHECK_RET( idx <= GetColumnCount(), "invalid column index" );
DoInsert(col, idx);
}
// append the column to the end of the control
void AppendColumn(const wxHeaderColumnSimple& col)
{
DoInsert(col, GetColumnCount());
}
// delete the column at the given index
void DeleteColumn(unsigned int idx)
{
wxCHECK_RET( idx < GetColumnCount(), "invalid column index" );
DoDelete(idx);
}
// delete all the existing columns
void DeleteAllColumns();
// modifying columns
// -----------------
// show or hide the column, notice that even when a column is hidden we
// still account for it when using indices
void ShowColumn(unsigned int idx, bool show = true)
{
wxCHECK_RET( idx < GetColumnCount(), "invalid column index" );
DoShowColumn(idx, show);
}
void HideColumn(unsigned int idx)
{
ShowColumn(idx, false);
}
// indicate that the column is used for sorting
void ShowSortIndicator(unsigned int idx, bool ascending = true)
{
wxCHECK_RET( idx < GetColumnCount(), "invalid column index" );
DoShowSortIndicator(idx, ascending);
}
// remove the sort indicator completely
void RemoveSortIndicator();
protected:
// implement/override base class methods
virtual const wxHeaderColumn& GetColumn(unsigned int idx) const;
virtual bool UpdateColumnWidthToFit(unsigned int idx, int widthTitle);
// and define another one to be overridden in the derived classes: it
// should return the best width for the given column contents or -1 if not
// implemented, we use it to implement UpdateColumnWidthToFit()
virtual int GetBestFittingWidth(unsigned int WXUNUSED(idx)) const
{
return -1;
}
private:
// functions implementing our public API
void DoInsert(const wxHeaderColumnSimple& col, unsigned int idx);
void DoDelete(unsigned int idx);
void DoShowColumn(unsigned int idx, bool show);
void DoShowSortIndicator(unsigned int idx, bool ascending);
// common part of all ctors
void Init();
// bring the column count in sync with the number of columns we store
void UpdateColumnCount() { SetColumnCount(m_cols.size()); }
// all our current columns
typedef wxVector<wxHeaderColumnSimple> Columns;
Columns m_cols;
// the column currently used for sorting or -1 if none
unsigned int m_sortKey;
wxDECLARE_NO_COPY_CLASS(wxHeaderCtrlSimple);
};
// ----------------------------------------------------------------------------
// wxHeaderCtrl events
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxHeaderCtrlEvent : public wxNotifyEvent
{
public:
wxHeaderCtrlEvent(wxEventType commandType = wxEVT_NULL, int winid = 0)
: wxNotifyEvent(commandType, winid),
m_col(-1),
m_width(0),
m_order(static_cast<unsigned int>(-1))
{
}
wxHeaderCtrlEvent(const wxHeaderCtrlEvent& event)
: wxNotifyEvent(event),
m_col(event.m_col),
m_width(event.m_width),
m_order(event.m_order)
{
}
// the column which this event pertains to: valid for all header events
int GetColumn() const { return m_col; }
void SetColumn(int col) { m_col = col; }
// the width of the column: valid for column resizing/dragging events only
int GetWidth() const { return m_width; }
void SetWidth(int width) { m_width = width; }
// the new position of the column: for end reorder events only
unsigned int GetNewOrder() const { return m_order; }
void SetNewOrder(unsigned int order) { m_order = order; }
virtual wxEvent *Clone() const { return new wxHeaderCtrlEvent(*this); }
protected:
// the column affected by the event
int m_col;
// the current width for the dragging events
int m_width;
// the new column position for end reorder event
unsigned int m_order;
private:
DECLARE_DYNAMIC_CLASS_NO_ASSIGN(wxHeaderCtrlEvent)
};
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_CLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_RIGHT_CLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_MIDDLE_CLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_DCLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_RIGHT_DCLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_MIDDLE_DCLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_SEPARATOR_DCLICK, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_BEGIN_RESIZE, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_RESIZING, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_END_RESIZE, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_BEGIN_REORDER, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_END_REORDER, wxHeaderCtrlEvent );
wxDECLARE_EXPORTED_EVENT( WXDLLIMPEXP_CORE, wxEVT_COMMAND_HEADER_DRAGGING_CANCELLED, wxHeaderCtrlEvent );
typedef void (wxEvtHandler::*wxHeaderCtrlEventFunction)(wxHeaderCtrlEvent&);
#define wxHeaderCtrlEventHandler(func) \
wxEVENT_HANDLER_CAST(wxHeaderCtrlEventFunction, func)
#define wx__DECLARE_HEADER_EVT(evt, id, fn) \
wx__DECLARE_EVT1(wxEVT_COMMAND_HEADER_ ## evt, id, wxHeaderCtrlEventHandler(fn))
#define EVT_HEADER_CLICK(id, fn) wx__DECLARE_HEADER_EVT(CLICK, id, fn)
#define EVT_HEADER_RIGHT_CLICK(id, fn) wx__DECLARE_HEADER_EVT(RIGHT_CLICK, id, fn)
#define EVT_HEADER_MIDDLE_CLICK(id, fn) wx__DECLARE_HEADER_EVT(MIDDLE_CLICK, id, fn)
#define EVT_HEADER_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(DCLICK, id, fn)
#define EVT_HEADER_RIGHT_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(RIGHT_DCLICK, id, fn)
#define EVT_HEADER_MIDDLE_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(MIDDLE_DCLICK, id, fn)
#define EVT_HEADER_SEPARATOR_DCLICK(id, fn) wx__DECLARE_HEADER_EVT(SEPARATOR_DCLICK, id, fn)
#define EVT_HEADER_BEGIN_RESIZE(id, fn) wx__DECLARE_HEADER_EVT(BEGIN_RESIZE, id, fn)
#define EVT_HEADER_RESIZING(id, fn) wx__DECLARE_HEADER_EVT(RESIZING, id, fn)
#define EVT_HEADER_END_RESIZE(id, fn) wx__DECLARE_HEADER_EVT(END_RESIZE, id, fn)
#define EVT_HEADER_BEGIN_REORDER(id, fn) wx__DECLARE_HEADER_EVT(BEGIN_REORDER, id, fn)
#define EVT_HEADER_END_REORDER(id, fn) wx__DECLARE_HEADER_EVT(END_REORDER, id, fn)
#define EVT_HEADER_DRAGGING_CANCELLED(id, fn) wx__DECLARE_HEADER_EVT(DRAGGING_CANCELLED, id, fn)
#endif // wxUSE_HEADERCTRL
#endif // _WX_HEADERCTRL_H_