git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@52834 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			541 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			541 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////
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// Name:        wx/os2/listctrl.h
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// Purpose:     wxListCtrl class
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// Author:      
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// Modified by:
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// Created:     
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// RCS-ID:      $Id$
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// Copyright:   (c) wxWidgets team
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// Licence:     wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_LISTCTRL_H_
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#define _WX_LISTCTRL_H_
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#if wxUSE_LISTCTRL
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#include "wx/control.h"
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#include "wx/event.h"
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#include "wx/hash.h"
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#include "wx/textctrl.h"
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class WXDLLIMPEXP_FWD_CORE wxImageList;
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typedef int (wxCALLBACK *wxListCtrlCompare)(long lItem1, long lItem2, long lSortData);
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class WXDLLIMPEXP_CORE wxListCtrl: public wxControl
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{
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public:
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    wxListCtrl() { Init(); }
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    wxListCtrl( wxWindow*          pParent
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               ,wxWindowID         vId = -1
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               ,const wxPoint&     rPos = wxDefaultPosition
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               ,const wxSize&      rSize = wxDefaultSize
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               ,long               lStyle = wxLC_ICON
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               ,const wxValidator& rValidator = wxDefaultValidator
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               ,const wxString&    rsName = wxListCtrlNameStr)
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    {
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        Init();
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        Create( pParent
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               ,vId
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               ,rPos
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               ,rSize
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               ,lStyle
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               ,rValidator
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               ,rsName
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              );
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    }
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    virtual ~wxListCtrl();
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    bool Create( wxWindow*          pParent
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                ,wxWindowID         vId = -1
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                ,const wxPoint&     rPos = wxDefaultPosition
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                ,const wxSize&      rSize = wxDefaultSize
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                ,long               lStyle = wxLC_ICON
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                ,const wxValidator& rValidator = wxDefaultValidator
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                ,const wxString&    rsName = wxListCtrlNameStr
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               );
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    // Attributes
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    ////////////////////////////////////////////////////////////////////////////
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    //
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    //
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    // Set the control colours
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    //
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    bool SetForegroundColour(const wxColour& rCol);
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    bool SetBackgroundColour(const wxColour& rCol);
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    //
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    // Information about this column
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    //
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    bool GetColumn( int nCol
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                   ,wxListItem& rItem
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                  ) const;
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    bool SetColumn( int         nCol
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                   ,wxListItem& rItem
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                  );
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    //
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    // Column width
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    //
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    int  GetColumnWidth(int nCol) const;
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    bool SetColumnWidth( int nCol
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                        ,int nWidth
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                       );
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    //
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    // Gets the number of items that can fit vertically in the
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    // visible area of the list control (list or report view)
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    // or the total number of items in the list control (icon
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    // or small icon view)
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    //
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    int GetCountPerPage(void) const;
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    wxRect GetViewRect() const;
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    //
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    // Gets the edit control for editing labels.
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    //
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    wxTextCtrl* GetEditControl(void) const;
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    //
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    // Information about the item
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    //
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    bool GetItem(wxListItem& rInfo) const;
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    bool SetItem(wxListItem& rInfo);
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    //
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    // Sets a string field at a particular column
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    //
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    long SetItem( long            lIndex
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                 ,int             nCol
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                 ,const wxString& rsLabel
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                 ,int             nImageId = -1
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                );
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    //
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    // Item state
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    //
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    int  GetItemState( long lItem
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                      ,long lStateMask
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                     ) const;
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    bool SetItemState( long lItem
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                      ,long lState
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                      ,long lStateMask
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                      );
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    //
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    // Sets the item image
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    //
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    bool SetItemImage( long lItem
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                      ,int  nImage
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                      ,int  lSelImage
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                     );
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    bool SetItemColumnImage( long lItem
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                            ,long lColumn
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                            ,int  nImage
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                           );
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    //
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    // Item text
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    //
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    wxString GetItemText(long lItem) const;
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    void     SetItemText( long            lItem
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                         ,const wxString& rsStr
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                        );
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    //
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    // Item data
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    //
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    long GetItemData(long lItem) const;
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    bool SetItemPtrData(long item, wxUIntPtr data);
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    bool SetItemData(long item, long data) { return SetItemPtrData(item, data); }
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    //
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    // Gets the item rectangle
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    //
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    bool GetItemRect( long    lItem
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                     ,wxRect& rRect
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                     ,int     nCode = wxLIST_RECT_BOUNDS
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                    ) const;
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    //
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    // Item position
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    //
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    bool GetItemPosition( long     lItem
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                         ,wxPoint& rPos
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                        ) const;
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    bool SetItemPosition( long           lItem
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                         ,const wxPoint& rPos
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                        );
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    //
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    // Gets the number of items in the list control
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    //
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    int  GetItemCount(void) const;
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    //
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    // Gets the number of columns in the list control
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    //
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    inline int GetColumnCount(void) const { return m_nColCount; }
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    //
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    // Retrieves the spacing between icons in pixels.
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    // If bIsSmall is true, gets the spacing for the small icon
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    // view, otherwise the large icon view.
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    //
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    int  GetItemSpacing(bool bIsSmall) const;
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    //
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    // Foreground colour of an item.
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    //
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    wxColour GetItemTextColour(long lItem) const;
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    void     SetItemTextColour( long            lItem
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                               ,const wxColour& rCol
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                              );
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    //
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    // Background colour of an item.
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    //
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    wxColour GetItemBackgroundColour(long lItem ) const;
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    void     SetItemBackgroundColour( long            lItem
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                                     ,const wxColour& rCol
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                                    );
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    //
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    // Gets the number of selected items in the list control
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    //
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    int      GetSelectedItemCount(void) const;
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    //
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    // Text colour of the listview
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    //
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    wxColour GetTextColour(void) const;
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    void     SetTextColour(const wxColour& rCol);
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    //
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    // Gets the index of the topmost visible item when in
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    // list or report view
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    //
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    long GetTopItem(void) const;
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    //
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    // Add or remove a single window style
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    void SetSingleStyle( long lStyle
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                        ,bool bAdd = true
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                       );
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    //
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    // Set the whole window style
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    //
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    void SetWindowStyleFlag(long lStyle);
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    //
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    // Searches for an item, starting from 'item'.
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    // item can be -1 to find the first item that matches the
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    // specified flags.
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    // Returns the item or -1 if unsuccessful.
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    long GetNextItem( long lItem
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                     ,int  nGeometry = wxLIST_NEXT_ALL
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                     ,int  lState = wxLIST_STATE_DONTCARE
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                    ) const;
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    //
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    // Gets one of the three image lists
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    //
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    wxImageList* GetImageList(int nWhich) const;
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    //
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    // Sets the image list
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    //
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    void SetImageList( wxImageList* pImageList
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                      ,int          nWhich
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                     );
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    void AssignImageList( wxImageList* pImageList
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                         ,int          nWhich
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                        );
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    //
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    // Returns true if it is a virtual list control
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    //
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    inline bool IsVirtual() const { return (GetWindowStyle() & wxLC_VIRTUAL) != 0; }
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    //
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    // Refresh items selectively (only useful for virtual list controls)
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    //
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    void RefreshItem(long lItem);
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    void RefreshItems( long lItemFrom
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                      ,long lItemTo
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                     );
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    //
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    // Operations
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    ////////////////////////////////////////////////////////////////////////////
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    //
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    //
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    // Arranges the items
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    //
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    bool Arrange(int nFlag = wxLIST_ALIGN_DEFAULT);
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    //
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    // Deletes an item
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    //
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    bool DeleteItem(long lItem);
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    //
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    // Deletes all items
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    bool DeleteAllItems(void);
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    //
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    // Deletes a column
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    //
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    bool DeleteColumn(int nCol);
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    //
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    // Deletes all columns
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    //
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    bool DeleteAllColumns(void);
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    //
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    // Clears items, and columns if there are any.
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    //
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    void ClearAll(void);
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    //
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    // Edit the label
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    //
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    wxTextCtrl* EditLabel( long         lItem
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                          ,wxClassInfo* pTextControlClass = CLASSINFO(wxTextCtrl)
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                         );
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    //
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    // End label editing, optionally cancelling the edit
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    //
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    bool EndEditLabel(bool bCancel);
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    //
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    // Ensures this item is visible
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    //
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    bool EnsureVisible(long lItem);
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    //
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    // Find an item whose label matches this string, starting from the item after 'start'
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    // or the beginning if 'start' is -1.
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    //
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    long FindItem( long            lStart
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                  ,const wxString& rsStr
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                  ,bool            bPartial = false
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                 );
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    //
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    // Find an item whose data matches this data, starting from the item after 'start'
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    // or the beginning if 'start' is -1.
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    //
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    long FindItem( long lStart
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                  ,long lData
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                 );
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    //
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    // Find an item nearest this position in the specified direction, starting from
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    // the item after 'start' or the beginning if 'start' is -1.
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    //
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    long FindItem( long           lStart
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                  ,const wxPoint& rPoint
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                  ,int            lDirection
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                 );
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    //
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    // Determines which item (if any) is at the specified point,
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    // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
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    //
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    long HitTest( const wxPoint& rPoint
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                 ,int&           rFlags
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                );
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    //
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    // Inserts an item, returning the index of the new item if successful,
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    // -1 otherwise.
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    //
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    long InsertItem(wxListItem& rInfo);
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    //
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    // Insert a string item
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    //
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    long InsertItem( long            lIndex
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                    ,const wxString& rsLabel
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                   );
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    //
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    // Insert an image item
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    //
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    long InsertItem( long lIndex
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                    ,int  nImageIndex
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                   );
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    //
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    // Insert an image/string item
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    //
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    long InsertItem( long            lIndex
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                    ,const wxString& rsLabel
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                    ,int             nImageIndex
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                   );
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    //
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    // For list view mode (only), inserts a column.
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    //
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    long InsertColumn( long        lCol
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                      ,wxListItem& rInfo
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                     );
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    long InsertColumn( long            lCol
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                      ,const wxString& rsHeading
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                      ,int             nFormat = wxLIST_FORMAT_LEFT
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                      ,int             lWidth = -1
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                     );
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    //
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    // set the number of items in a virtual list control
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    //
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    void SetItemCount(long lCount);
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    //
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    // Scrolls the list control. If in icon, small icon or report view mode,
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    // x specifies the number of pixels to scroll. If in list view mode, x
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    // specifies the number of columns to scroll.
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    // If in icon, small icon or list view mode, y specifies the number of pixels
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    // to scroll. If in report view mode, y specifies the number of lines to scroll.
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    //
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    bool ScrollList( int nDx
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                    ,int nDy
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                   );
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    // Sort items.
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    //
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    // fn is a function which takes 3 long arguments: item1, item2, data.
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    // item1 is the long data associated with a first item (NOT the index).
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    // item2 is the long data associated with a second item (NOT the index).
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    // data is the same value as passed to SortItems.
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    // The return value is a negative number if the first item should precede the second
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    // item, a positive number of the second item should precede the first,
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    // or zero if the two items are equivalent.
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    //
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    // data is arbitrary data to be passed to the sort function.
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    //
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    bool SortItems( wxListCtrlCompare fn
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                   ,long              lData
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                  );
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 | 
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    //
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    // IMPLEMENTATION
 | 
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    // --------------
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    //
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    virtual bool OS2Command( WXUINT uParam
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                            ,WXWORD wId
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                           );
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    //
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    // Bring the control in sync with current m_windowStyle value
 | 
						|
    //
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    void UpdateStyle(void);
 | 
						|
 | 
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    //
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    // Implementation: converts wxWidgets style to MSW style.
 | 
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    // Can be a single style flag or a bit list.
 | 
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    // oldStyle is 'normalised' so that it doesn't contain
 | 
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    // conflicting styles.
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    //
 | 
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    long ConvertToOS2Style( long& lOldStyle
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						|
                           ,long  lStyle
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                          ) const;
 | 
						|
    long ConvertArrangeToOS2Style(long lStyle);
 | 
						|
    long ConvertViewToOS2Style(long lStyle);
 | 
						|
 | 
						|
    virtual MRESULT OS2WindowProc( WXUINT   uMsg
 | 
						|
                                  ,WXWPARAM wParam
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                                  ,WXLPARAM lParam
 | 
						|
                                 );
 | 
						|
 | 
						|
    // Event handlers
 | 
						|
    ////////////////////////////////////////////////////////////////////////////
 | 
						|
    // Necessary for drawing hrules and vrules, if specified
 | 
						|
    void OnPaint(wxPaintEvent& rEvent);
 | 
						|
 | 
						|
protected:
 | 
						|
    //
 | 
						|
    // common part of all ctors
 | 
						|
    //
 | 
						|
    void Init(void);
 | 
						|
 | 
						|
    //
 | 
						|
    // Free memory taken by all internal data
 | 
						|
    //
 | 
						|
    void FreeAllInternalData(void);
 | 
						|
 | 
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    wxTextCtrl*                     m_pTextCtrl;        // The control used for editing a label
 | 
						|
    wxImageList*                    m_pImageListNormal; // The image list for normal icons
 | 
						|
    wxImageList*                    m_pImageListSmall;  // The image list for small icons
 | 
						|
    wxImageList*                    m_pImageListState;  // The image list state icons (not implemented yet)
 | 
						|
    bool                            m_bOwnsImageListNormal;
 | 
						|
    bool                            m_bOwnsImageListSmall;
 | 
						|
    bool                            m_bOwnsImageListState;
 | 
						|
    long                            m_lBaseStyle;       // Basic PM style flags, for recreation purposes
 | 
						|
    int                             m_nColCount;        // PM doesn't have GetColumnCount so must
 | 
						|
                                                        // keep track of inserted/deleted columns
 | 
						|
 | 
						|
    //
 | 
						|
    // true if we have any internal data (user data & attributes)
 | 
						|
    //
 | 
						|
    bool                            m_bAnyInternalData;
 | 
						|
 | 
						|
    //
 | 
						|
    // true if we have any items with custom attributes
 | 
						|
    //
 | 
						|
    bool                            m_bHasAnyAttr;
 | 
						|
 | 
						|
    //
 | 
						|
    // These functions are only used for virtual list view controls, i.e. the
 | 
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    // ones with wxLC_VIRTUAL style
 | 
						|
    //
 | 
						|
    // return the text for the given column of the given item
 | 
						|
    //
 | 
						|
    virtual wxString OnGetItemText( long lItem
 | 
						|
                                   ,long lColumn
 | 
						|
                                  ) const;
 | 
						|
 | 
						|
    //
 | 
						|
    // Return the icon for the given item. In report view, OnGetItemImage will
 | 
						|
    // only be called for the first column. See OnGetItemColumnImage for 
 | 
						|
    // details.
 | 
						|
    //
 | 
						|
    virtual int OnGetItemImage(long lItem) const;
 | 
						|
 | 
						|
    //
 | 
						|
    // Return the icon for the given item and column
 | 
						|
    //
 | 
						|
    virtual int OnGetItemColumnImage(long lItem, long lColumn) const;
 | 
						|
 | 
						|
    //
 | 
						|
    // Return the attribute for the item (may return NULL if none)
 | 
						|
    //
 | 
						|
    virtual wxListItemAttr* OnGetItemAttr(long lItem) const;
 | 
						|
 | 
						|
private:
 | 
						|
    bool DoCreateControl( int nX
 | 
						|
                         ,int nY
 | 
						|
                         ,int nWidth
 | 
						|
                         ,int nHeight
 | 
						|
                        );
 | 
						|
 | 
						|
    DECLARE_DYNAMIC_CLASS(wxListCtrl)
 | 
						|
    DECLARE_EVENT_TABLE()
 | 
						|
    DECLARE_NO_COPY_CLASS(wxListCtrl)
 | 
						|
}; // end of CLASS wxListCtrl
 | 
						|
 | 
						|
#endif // wxUSE_LISTCTRL
 | 
						|
 | 
						|
#endif // _WX_LISTCTRL_H_
 | 
						|
 |