include/wx/mac/carbon/listctrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        listctrl.h
   3 // Purpose:     wxListCtrl class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_LISTCTRL_H_
  13 #define _WX_LISTCTRL_H_
  14
  15 #include "wx/generic/listctrl.h"
  16
  17 class wxMacDataBrowserListCtrlControl;
  18 class wxMacListControl;
  19 class wxListCtrlTextCtrlWrapper;
  20 class wxListCtrlRenameTimer;
  21
  22 WX_DECLARE_EXPORTED_LIST(wxListItem, wxColumnList);
  23
  24 class WXDLLEXPORT wxListCtrl: public wxControl
  25 {
  26   DECLARE_DYNAMIC_CLASS(wxListCtrl)
  27  public:
  28   /*
  29    * Public interface
  30    */
  31
  32     wxListCtrl() { Init(); }
  33
  34     wxListCtrl(wxWindow *parent,
  35                wxWindowID id = wxID_ANY,
  36                const wxPoint& pos = wxDefaultPosition,
  37                const wxSize& size = wxDefaultSize,
  38                long style = wxLC_ICON,
  39                const wxValidator& validator = wxDefaultValidator,
  40                const wxString& name = wxListCtrlNameStr)
  41     {
  42         Init();
  43
  44         Create(parent, id, pos, size, style, validator, name);
  45     }
  46
  47     virtual ~wxListCtrl();
  48
  49     bool Create(wxWindow *parent,
  50                 wxWindowID id = wxID_ANY,
  51                 const wxPoint& pos = wxDefaultPosition,
  52                 const wxSize& size = wxDefaultSize,
  53                 long style = wxLC_ICON,
  54                 const wxValidator& validator = wxDefaultValidator,
  55                 const wxString& name = wxListCtrlNameStr);
  56
  57   // Attributes
  58   ////////////////////////////////////////////////////////////////////////////
  59
  60   // Gets information about this column
  61   bool GetColumn(int col, wxListItem& item) const;
  62
  63   // Sets information about this column
  64   // TODO: NOT const to be compatible with wxGenericListCtrl API
  65   bool SetColumn(int col, wxListItem& item) ;
  66
  67   // Gets the column width
  68   int GetColumnWidth(int col) const;
  69
  70   // Sets the column width
  71   bool SetColumnWidth(int col, int width) ;
  72
  73   // Gets the number of items that can fit vertically in the
  74   // visible area of the list control (list or report view)
  75   // or the total number of items in the list control (icon
  76   // or small icon view)
  77   int GetCountPerPage() const;
  78
  79   // Gets the edit control for editing labels.
  80   wxTextCtrl* GetEditControl() const;
  81
  82   // Gets information about the item
  83   bool GetItem(wxListItem& info) const ;
  84
  85   // Sets information about the item
  86   bool SetItem(wxListItem& info) ;
  87
  88   // Sets a string field at a particular column
  89   long SetItem(long index, int col, const wxString& label, int imageId = -1);
  90
  91   // Gets the item state
  92   int  GetItemState(long item, long stateMask) const ;
  93
  94   // Sets the item state
  95   bool SetItemState(long item, long state, long stateMask) ;
  96
  97   void AssignImageList(wxImageList *imageList, int which);
  98
  99   // Sets the item image
 100   bool SetItemImage(long item, int image, int selImage = -1) ;
 101   bool SetItemColumnImage(long item, long column, int image);
 102
 103   // Gets the item text
 104   wxString GetItemText(long item) const ;
 105
 106   // Sets the item text
 107   void SetItemText(long item, const wxString& str) ;
 108
 109   void SetItemTextColour(long item, const wxColour& colour) ;
 110   wxColour GetItemTextColour(long item) const;
 111
 112   void SetItemBackgroundColour(long item, const wxColour& colour) ;
 113   wxColour GetItemBackgroundColour(long item) const;
 114
 115   void SetItemFont( long item, const wxFont &f);
 116   wxFont GetItemFont( long item ) const;
 117
 118   // Gets the item data
 119   long GetItemData(long item) const ;
 120
 121   // Sets the item data
 122   bool SetItemData(long item, long data) ;
 123
 124   // Gets the item rectangle
 125   bool GetItemRect(long item, wxRect& rect, int code = wxLIST_RECT_BOUNDS) const ;
 126
 127   // Gets the item position
 128   bool GetItemPosition(long item, wxPoint& pos) const ;
 129
 130   // Sets the item position
 131   bool SetItemPosition(long item, const wxPoint& pos) ;
 132
 133   // Gets the number of items in the list control
 134   int GetItemCount() const;
 135
 136   // Gets the number of columns in the list control
 137   int GetColumnCount() const;
 138
 139   void SetItemSpacing( int spacing, bool isSmall = false );
 140   wxSize GetItemSpacing() const;
 141
 142   // Gets the number of selected items in the list control
 143   int GetSelectedItemCount() const;
 144
 145   wxRect GetViewRect() const;
 146
 147   // Gets the text colour of the listview
 148   wxColour GetTextColour() const;
 149
 150   // Sets the text colour of the listview
 151   void SetTextColour(const wxColour& col);
 152
 153   // Gets the index of the topmost visible item when in
 154   // list or report view
 155   long GetTopItem() const ;
 156
 157   // are we in report mode?
 158   bool InReportView() const { return HasFlag(wxLC_REPORT); }
 159
 160   bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }
 161
 162   // Add or remove a single window style
 163   void SetSingleStyle(long style, bool add = true) ;
 164
 165   // Set the whole window style
 166   void SetWindowStyleFlag(long style) ;
 167
 168   // Searches for an item, starting from 'item'.
 169   // item can be -1 to find the first item that matches the
 170   // specified flags.
 171   // Returns the item or -1 if unsuccessful.
 172   long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ;
 173
 174   // Implementation: converts wxWidgets style to MSW style.
 175   // Can be a single style flag or a bit list.
 176   // oldStyle is 'normalised' so that it doesn't contain
 177   // conflicting styles.
 178   long ConvertToMSWStyle(long& oldStyle, long style) const;
 179
 180   // Gets one of the three image lists
 181   wxImageList *GetImageList(int which) const ;
 182
 183   // Sets the image list
 184   // N.B. There's a quirk in the Win95 list view implementation.
 185   // If in wxLC_LIST mode, it'll *still* display images by the labels if
 186   // there's a small-icon image list set for the control - even though you
 187   // haven't specified wxLIST_MASK_IMAGE when inserting.
 188   // So you have to set a NULL small-icon image list to be sure that
 189   // the wxLC_LIST mode works without icons. Of course, you may want icons...
 190   void SetImageList(wxImageList *imageList, int which) ;
 191
 192   // Operations
 193   ////////////////////////////////////////////////////////////////////////////
 194
 195   // Arranges the items
 196   bool Arrange(int flag = wxLIST_ALIGN_DEFAULT);
 197
 198   // Deletes an item
 199   bool DeleteItem(long item);
 200
 201   // Deletes all items
 202   bool DeleteAllItems() ;
 203
 204   // Deletes a column
 205   bool DeleteColumn(int col);
 206
 207   // Deletes all columns
 208   bool DeleteAllColumns();
 209
 210   // Clears items, and columns if there are any.
 211   void ClearAll();
 212
 213   // Edit the label
 214   wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
 215
 216   // End label editing, optionally cancelling the edit
 217   bool EndEditLabel(bool cancel);
 218
 219   // Ensures this item is visible
 220   bool EnsureVisible(long item) ;
 221
 222   // Find an item whose label matches this string, starting from the item after 'start'
 223   // or the beginning if 'start' is -1.
 224   long FindItem(long start, const wxString& str, bool partial = false);
 225
 226   // Find an item whose data matches this data, starting from the item after 'start'
 227   // or the beginning if 'start' is -1.
 228   long FindItem(long start, long data);
 229
 230   // Find an item nearest this position in the specified direction, starting from
 231   // the item after 'start' or the beginning if 'start' is -1.
 232   long FindItem(long start, const wxPoint& pt, int direction);
 233
 234   // Determines which item (if any) is at the specified point,
 235   // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
 236   // Request the subitem number as well at the given coordinate.
 237   long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;
 238
 239   // Inserts an item, returning the index of the new item if successful,
 240   // -1 otherwise.
 241   // TOD: Should also have some further convenience functions
 242   // which don't require setting a wxListItem object
 243   long InsertItem(wxListItem& info);
 244
 245   // Insert a string item
 246   long InsertItem(long index, const wxString& label);
 247
 248   // Insert an image item
 249   long InsertItem(long index, int imageIndex);
 250
 251   // Insert an image/string item
 252   long InsertItem(long index, const wxString& label, int imageIndex);
 253
 254   // For list view mode (only), inserts a column.
 255   long InsertColumn(long col, wxListItem& info);
 256
 257   long InsertColumn(long col, const wxString& heading, int format = wxLIST_FORMAT_LEFT,
 258     int width = -1);
 259
 260   // Scrolls the list control. If in icon, small icon or report view mode,
 261   // x specifies the number of pixels to scroll. If in list view mode, x
 262   // specifies the number of columns to scroll.
 263   // If in icon, small icon or list view mode, y specifies the number of pixels
 264   // to scroll. If in report view mode, y specifies the number of lines to scroll.
 265   bool ScrollList(int dx, int dy);
 266
 267   // Sort items.
 268
 269   // fn is a function which takes 3 long arguments: item1, item2, data.
 270   // item1 is the long data associated with a first item (NOT the index).
 271   // item2 is the long data associated with a second item (NOT the index).
 272   // data is the same value as passed to SortItems.
 273   // The return value is a negative number if the first item should precede the second
 274   // item, a positive number of the second item should precede the first,
 275   // or zero if the two items are equivalent.
 276
 277   // data is arbitrary data to be passed to the sort function.
 278   bool SortItems(wxListCtrlCompare fn, long data);
 279
 280   wxMacListControl* GetPeer() const;
 281
 282     // these functions are only used for virtual list view controls, i.e. the
 283     // ones with wxLC_VIRTUAL style
 284
 285     void SetItemCount(long count);
 286     void RefreshItem(long item);
 287     void RefreshItems(long itemFrom, long itemTo);
 288
 289     // return the text for the given column of the given item
 290     virtual wxString OnGetItemText(long item, long column) const;
 291
 292     // return the icon for the given item. In report view, OnGetItemImage will
 293     // only be called for the first column. See OnGetItemColumnImage for
 294     // details.
 295     virtual int OnGetItemImage(long item) const;
 296
 297     // return the icon for the given item and column.
 298     virtual int OnGetItemColumnImage(long item, long column) const;
 299
 300     // return the attribute for the item (may return NULL if none)
 301     virtual wxListItemAttr *OnGetItemAttr(long item) const;
 302
 303 /* Why should we need this function? Leave for now.
 304  * We might need it because item data may have changed,
 305  * but the display needs refreshing (in string callback mode)
 306   // Updates an item. If the list control has the wxLI_AUTO_ARRANGE style,
 307   // the items will be rearranged.
 308   bool Update(long item);
 309 */
 310
 311   void Command(wxCommandEvent& event) { ProcessCommand(event); };
 312
 313   wxListCtrlCompare GetCompareFunc() { return m_compareFunc; };
 314   long GetCompareFuncData() { return m_compareFuncData; };
 315
 316
 317   // public overrides needed for pimpl approach
 318   virtual bool SetFont(const wxFont& font);
 319   virtual bool SetForegroundColour(const wxColour& colour);
 320   virtual bool SetBackgroundColour(const wxColour& colour);
 321   virtual wxColour GetBackgroundColour();
 322
 323   // functions for editing/timer
 324   void OnRenameTimer();
 325   bool OnRenameAccept(long itemEdit, const wxString& value);
 326   void OnRenameCancelled(long itemEdit);
 327
 328   void ChangeCurrent(long current);
 329   void ResetCurrent() { ChangeCurrent((long)-1); }
 330   bool HasCurrent() const { return m_current != (long)-1; }
 331
 332   void OnLeftDown(wxMouseEvent& event);
 333   void OnDblClick(wxMouseEvent& event);
 334
 335   void FinishEditing(wxTextCtrl *text)
 336   {
 337       delete text;
 338       m_textctrlWrapper = NULL;
 339       SetFocus();
 340   }
 341
 342   virtual int GetScrollPos(int orient) const;
 343
 344   virtual void SetDropTarget( wxDropTarget *dropTarget );
 345   virtual wxDropTarget* GetDropTarget() const;
 346
 347   // with CG, we need to get the context from an kEventControlDraw event
 348   // unfortunately, the DataBrowser callbacks don't provide the context
 349   // and we need it, so we need to set/remove it before and after draw
 350   // events so we can access it in the callbacks.
 351   void MacSetDrawingContext(void* context) { m_cgContext = context; }
 352   void* MacGetDrawingContext() { return m_cgContext; }
 353
 354 protected:
 355
 356   // protected overrides needed for pimpl approach
 357   virtual void DoSetSize(int x, int y,
 358                          int width, int height,
 359                          int sizeFlags = wxSIZE_AUTO);
 360
 361   virtual wxSize DoGetBestSize() const;
 362
 363   long               m_current;
 364   wxListCtrlTextCtrlWrapper *m_textctrlWrapper;
 365   wxListCtrlRenameTimer *m_renameTimer;
 366   // common part of all ctors
 367   void Init();
 368
 369   wxGenericListCtrl* m_genericImpl;   // allow use of the generic impl.
 370   wxMacDataBrowserListCtrlControl* m_dbImpl;
 371   void*  m_macListCtrlEventHandler;
 372   void*  m_cgContext;
 373   wxListCtrlCompare m_compareFunc;
 374   long m_compareFuncData;
 375
 376   wxTextCtrl*       m_textCtrl;        // The control used for editing a label
 377   wxImageList *     m_imageListNormal; // The image list for normal icons
 378   wxImageList *     m_imageListSmall;  // The image list for small icons
 379   wxImageList *     m_imageListState;  // The image list state icons (not implemented yet)
 380
 381   wxColumnList      m_colsInfo; // for storing info about each column
 382   wxColour          m_textColor;
 383   wxColour          m_bgColor;
 384
 385   // keep track of whether or not we should delete the image list ourselves.
 386   bool              m_ownsImageListNormal,
 387                     m_ownsImageListSmall,
 388                     m_ownsImageListState;
 389
 390   long              m_baseStyle;  // Basic Windows style flags, for recreation purposes
 391   wxStringList      m_stringPool; // Pool of 3 strings to satisfy Windows callback
 392                                   // requirements
 393   int               m_colCount;   // Windows doesn't have GetColumnCount so must
 394                                   // keep track of inserted/deleted columns
 395
 396   int               m_count; // for virtual lists, store item count
 397
 398 private:
 399   DECLARE_EVENT_TABLE()
 400 };
 401
 402 #endif
 403     // _WX_LISTCTRL_H_