listctrl.h

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

    // Searches for an item, starting from 'item'.
    // item can be -1 to find the first item that matches the
    // specified flags.
    // Returns the item or -1 if unsuccessful.
    long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ;

    // Gets one of the three image lists
    wxImageList *GetImageList(int which) const ;

    // Sets the image list
    // N.B. There's a quirk in the Win95 list view implementation.
    // If in wxLC_LIST mode, it'll *still* display images by the labels if
    // there's a small-icon image list set for the control - even though you
    // haven't specified wxLIST_MASK_IMAGE when inserting.
    // So you have to set a NULL small-icon image list to be sure that
    // the wxLC_LIST mode works without icons. Of course, you may want icons...
    void SetImageList(wxImageList *imageList, int which) ;
    void AssignImageList(wxImageList *imageList, int which) ;

    // are we in report mode?
    bool InReportView() const { return HasFlag(wxLC_REPORT); }

    // are we in virtual report mode?
    bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }

    // refresh items selectively (only useful for virtual list controls)
    void RefreshItem(long item);
    void RefreshItems(long itemFrom, long itemTo);

    // Operations
    ////////////////////////////////////////////////////////////////////////////

    // Arranges the items
    bool Arrange(int flag = wxLIST_ALIGN_DEFAULT);

    // Deletes an item
    bool DeleteItem(long item);

    // Deletes all items
    bool DeleteAllItems() ;

    // Deletes a column
    bool DeleteColumn(int col);

    // Deletes all columns
    bool DeleteAllColumns();

    // Clears items, and columns if there are any.
    void ClearAll();

    // Edit the label
    wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));

    // End label editing, optionally cancelling the edit
    bool EndEditLabel(bool cancel);

    // Ensures this item is visible
    bool EnsureVisible(long item) ;

    // Find an item whose label matches this string, starting from the item after 'start'
    // or the beginning if 'start' is -1.
    long FindItem(long start, const wxString& str, bool partial = false);

    // Find an item whose data matches this data, starting from the item after 'start'
    // or the beginning if 'start' is -1.
    long FindItem(long start, wxUIntPtr data);

    // Find an item nearest this position in the specified direction, starting from
    // the item after 'start' or the beginning if 'start' is -1.
    long FindItem(long start, const wxPoint& pt, int direction);

    // Determines which item (if any) is at the specified point,
    // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
    // Request the subitem number as well at the given coordinate.
    long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;

    // Inserts an item, returning the index of the new item if successful,
    // -1 otherwise.
    long InsertItem(const wxListItem& info);

    // Insert a string item
    long InsertItem(long index, const wxString& label);

    // Insert an image item
    long InsertItem(long index, int imageIndex);

    // Insert an image/string item
    long InsertItem(long index, const wxString& label, int imageIndex);

    // For list view mode (only), inserts a column.
    long InsertColumn(long col, const wxListItem& info);

    long InsertColumn(long col,
                      const wxString& heading,
                      int format = wxLIST_FORMAT_LEFT,
                      int width = -1);

    // set the number of items in a virtual list control
    void SetItemCount(long count);

    // Scrolls the list control. If in icon, small icon or report view mode,
    // x specifies the number of pixels to scroll. If in list view mode, x
    // specifies the number of columns to scroll.
    // If in icon, small icon or list view mode, y specifies the number of pixels
    // to scroll. If in report view mode, y specifies the number of lines to scroll.
    bool ScrollList(int dx, int dy);

    // Sort items.

    // fn is a function which takes 3 long arguments: item1, item2, data.
    // item1 is the long data associated with a first item (NOT the index).
    // item2 is the long data associated with a second item (NOT the index).
    // data is the same value as passed to SortItems.
    // The return value is a negative number if the first item should precede the second
    // item, a positive number of the second item should precede the first,
    // or zero if the two items are equivalent.

    // data is arbitrary data to be passed to the sort function.
    bool SortItems(wxListCtrlCompare fn, long data);

    // IMPLEMENTATION
    virtual bool MSWCommand(WXUINT param, WXWORD id);
    virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
    virtual bool MSWShouldPreProcessMessage(WXMSG* msg);

    // bring the control in sync with current m_windowStyle value
    void UpdateStyle();

    // Event handlers
    ////////////////////////////////////////////////////////////////////////////
    // Necessary for drawing hrules and vrules, if specified
    void OnPaint(wxPaintEvent& event);


    virtual bool ShouldInheritColours() const { return false; }

    virtual wxVisualAttributes GetDefaultAttributes() const
    {
        return GetClassDefaultAttributes(GetWindowVariant());
    }

    static wxVisualAttributes
    GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);


#if WXWIN_COMPATIBILITY_2_6
    // obsolete stuff, for compatibility only -- don't use
    wxDEPRECATED( int GetItemSpacing(bool isSmall) const);
#endif // WXWIN_COMPATIBILITY_2_6

    // convert our styles to Windows
    virtual WXDWORD MSWGetStyle(long style, WXDWORD *exstyle) const;

    // special Windows message handling
    virtual WXLRESULT MSWWindowProc(WXUINT nMsg,
                                    WXWPARAM wParam,
                                    WXLPARAM lParam);

protected:
    // common part of all ctors
    void Init();

    // free memory taken by all internal data
    void FreeAllInternalData();

    // get the item attribute, either by quering it for virtual control, or by
    // returning the one previously set using setter methods for a normal one
    wxListItemAttr *DoGetItemAttr(long item) const;


    wxTextCtrl*       m_textCtrl;        // The control used for editing a label
    wxImageList *     m_imageListNormal; // The image list for normal icons
    wxImageList *     m_imageListSmall;  // The image list for small icons
    wxImageList *     m_imageListState;  // The image list state icons (not implemented yet)
    bool              m_ownsImageListNormal,
                      m_ownsImageListSmall,
                      m_ownsImageListState;

    int               m_colCount;   // Windows doesn't have GetColumnCount so must
                                    // keep track of inserted/deleted columns
    long              m_count;      // Keep track of item count to save calls to
                                    // ListView_GetItemCount
    bool              m_ignoreChangeMessages;

    // true if we have any internal data (user data & attributes)
    bool m_AnyInternalData;

    // true if we have any items with custom attributes
    bool m_hasAnyAttr;

    // these functions are only used for virtual list view controls, i.e. the
    // ones with wxLC_VIRTUAL style

    // return the text for the given column of the given item
    virtual wxString OnGetItemText(long item, long column) 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 item) const;

    // return the icon for the given item and column.
    virtual int OnGetItemColumnImage(long item, long column) const;

    // return the attribute for the item (may return NULL if none)
    virtual wxListItemAttr *OnGetItemAttr(long item) const;

private:
    // process NM_CUSTOMDRAW notification message
    WXLPARAM OnCustomDraw(WXLPARAM lParam);

    DECLARE_DYNAMIC_CLASS(wxListCtrl)
    DECLARE_EVENT_TABLE()
    DECLARE_NO_COPY_CLASS(wxListCtrl)
};

#endif // _WX_LISTCTRL_H_