include/wx/osx/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/defs.h"
  16 #include "wx/generic/listctrl.h"
  17
  18 #define wxMAC_ALWAYS_USE_GENERIC_LISTCTRL wxT("mac.listctrl.always_use_generic")
  19
  20 class wxMacDataBrowserListCtrlControl;
  21 class wxListCtrlTextCtrlWrapper;
  22 class wxListCtrlRenameTimer;
  23
  24 WX_DECLARE_EXPORTED_LIST(wxListItem, wxColumnList);
  25
  26 class WXDLLIMPEXP_CORE wxListCtrl: public wxControl
  27 {
  28   DECLARE_DYNAMIC_CLASS(wxListCtrl)
  29  public:
  30   /*
  31    * Public interface
  32    */
  33
  34     wxListCtrl() { Init(); }
  35
  36     wxListCtrl(wxWindow *parent,
  37                wxWindowID id = wxID_ANY,
  38                const wxPoint& pos = wxDefaultPosition,
  39                const wxSize& size = wxDefaultSize,
  40                long style = wxLC_ICON,
  41                const wxValidator& validator = wxDefaultValidator,
  42                const wxString& name = wxListCtrlNameStr)
  43     {
  44         Init();
  45
  46         Create(parent, id, pos, size, style, validator, name);
  47     }
  48
  49     virtual ~wxListCtrl();
  50
  51     bool Create(wxWindow *parent,
  52                 wxWindowID id = wxID_ANY,
  53                 const wxPoint& pos = wxDefaultPosition,
  54                 const wxSize& size = wxDefaultSize,
  55                 long style = wxLC_ICON,
  56                 const wxValidator& validator = wxDefaultValidator,
  57                 const wxString& name = wxListCtrlNameStr);
  58
  59   // Attributes
  60   ////////////////////////////////////////////////////////////////////////////
  61
  62   // Gets information about this column
  63   bool GetColumn(int col, wxListItem& item) const;
  64
  65   // Sets information about this column
  66   // TODO: NOT const to be compatible with wxGenericListCtrl API
  67   bool SetColumn(int col, wxListItem& item) ;
  68
  69   // Gets the column width
  70   int GetColumnWidth(int col) const;
  71
  72   // Sets the column width
  73   bool SetColumnWidth(int col, int width) ;
  74
  75   // Gets the number of items that can fit vertically in the
  76   // visible area of the list control (list or report view)
  77   // or the total number of items in the list control (icon
  78   // or small icon view)
  79   int GetCountPerPage() const;
  80
  81   // Gets the edit control for editing labels.
  82   wxTextCtrl* GetEditControl() const;
  83
  84   // Gets information about the item
  85   bool GetItem(wxListItem& info) const ;
  86
  87   // Sets information about the item
  88   bool SetItem(wxListItem& info) ;
  89
  90   // Sets a string field at a particular column
  91   long SetItem(long index, int col, const wxString& label, int imageId = -1);
  92
  93   // Gets the item state
  94   int  GetItemState(long item, long stateMask) const ;
  95
  96   // Sets the item state
  97   bool SetItemState(long item, long state, long stateMask) ;
  98
  99   void AssignImageList(wxImageList *imageList, int which);
 100
 101   // Sets the item image
 102   bool SetItemImage(long item, int image, int selImage = -1) ;
 103   bool SetItemColumnImage(long item, long column, int image);
 104
 105   // Gets the item text
 106   wxString GetItemText(long item) const ;
 107
 108   // Sets the item text
 109   void SetItemText(long item, const wxString& str) ;
 110
 111   void SetItemTextColour(long item, const wxColour& colour) ;
 112   wxColour GetItemTextColour(long item) const;
 113
 114   void SetItemBackgroundColour(long item, const wxColour& colour) ;
 115   wxColour GetItemBackgroundColour(long item) const;
 116
 117   void SetItemFont( long item, const wxFont &f);
 118   wxFont GetItemFont( long item ) const;
 119
 120   // Gets the item data
 121   long GetItemData(long item) const ;
 122
 123   // Sets the item data
 124   bool SetItemPtrData(long item, wxUIntPtr data);
 125   bool SetItemData(long item, long data) { return SetItemPtrData(item, data); }
 126
 127   // Gets the item rectangle
 128   bool GetItemRect(long item, wxRect& rect, int code = wxLIST_RECT_BOUNDS) const ;
 129
 130   // Gets the item rectangle of a subitem
 131   bool GetSubItemRect( long item, long subItem, wxRect& rect, int code = wxLIST_RECT_BOUNDS ) const;
 132
 133   // Gets the item position
 134   bool GetItemPosition(long item, wxPoint& pos) const ;
 135
 136   // Sets the item position
 137   bool SetItemPosition(long item, const wxPoint& pos) ;
 138
 139   // Gets the number of items in the list control
 140   int GetItemCount() const;
 141
 142   // Gets the number of columns in the list control
 143   int GetColumnCount() const;
 144
 145   void SetItemSpacing( int spacing, bool isSmall = false );
 146   wxSize GetItemSpacing() const;
 147
 148   // Gets the number of selected items in the list control
 149   int GetSelectedItemCount() const;
 150
 151   wxRect GetViewRect() const;
 152
 153   // Gets the text colour of the listview
 154   wxColour GetTextColour() const;
 155
 156   // Sets the text colour of the listview
 157   void SetTextColour(const wxColour& col);
 158
 159   // Gets the index of the topmost visible item when in
 160   // list or report view
 161   long GetTopItem() const ;
 162
 163   // are we in report mode?
 164   bool InReportView() const { return HasFlag(wxLC_REPORT); }
 165
 166   bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }
 167
 168   // Add or remove a single window style
 169   void SetSingleStyle(long style, bool add = true) ;
 170
 171   // Set the whole window style
 172   void SetWindowStyleFlag(long style) ;
 173
 174   // Searches for an item, starting from 'item'.
 175   // item can be -1 to find the first item that matches the
 176   // specified flags.
 177   // Returns the item or -1 if unsuccessful.
 178   long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ;
 179
 180   // Implementation: converts wxWidgets style to MSW style.
 181   // Can be a single style flag or a bit list.
 182   // oldStyle is 'normalised' so that it doesn't contain
 183   // conflicting styles.
 184   long ConvertToMSWStyle(long& oldStyle, long style) const;
 185
 186   // Gets one of the three image lists
 187   wxImageList *GetImageList(int which) const ;
 188
 189   // Sets the image list
 190   // N.B. There's a quirk in the Win95 list view implementation.
 191   // If in wxLC_LIST mode, it'll *still* display images by the labels if
 192   // there's a small-icon image list set for the control - even though you
 193   // haven't specified wxLIST_MASK_IMAGE when inserting.
 194   // So you have to set a NULL small-icon image list to be sure that
 195   // the wxLC_LIST mode works without icons. Of course, you may want icons...
 196   void SetImageList(wxImageList *imageList, int which) ;
 197
 198   // Operations
 199   ////////////////////////////////////////////////////////////////////////////
 200
 201   // Arranges the items
 202   bool Arrange(int flag = wxLIST_ALIGN_DEFAULT);
 203
 204   // Deletes an item
 205   bool DeleteItem(long item);
 206
 207   // Deletes all items
 208   bool DeleteAllItems() ;
 209
 210   // Deletes a column
 211   bool DeleteColumn(int col);
 212
 213   // Deletes all columns
 214   bool DeleteAllColumns();
 215
 216   // Clears items, and columns if there are any.
 217   void ClearAll();
 218
 219   // Edit the label
 220   wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
 221
 222   // End label editing, optionally cancelling the edit
 223   bool EndEditLabel(bool cancel);
 224
 225   // Ensures this item is visible
 226   bool EnsureVisible(long item) ;
 227
 228   // Find an item whose label matches this string, starting from the item after 'start'
 229   // or the beginning if 'start' is -1.
 230   long FindItem(long start, const wxString& str, bool partial = false);
 231
 232   // Find an item whose data matches this data, starting from the item after 'start'
 233   // or the beginning if 'start' is -1.
 234   long FindItem(long start, long data);
 235
 236   // Find an item nearest this position in the specified direction, starting from
 237   // the item after 'start' or the beginning if 'start' is -1.
 238   long FindItem(long start, const wxPoint& pt, int direction);
 239
 240   // Determines which item (if any) is at the specified point,
 241   // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
 242   // Request the subitem number as well at the given coordinate.
 243   long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;
 244
 245   // Inserts an item, returning the index of the new item if successful,
 246   // -1 otherwise.
 247   // TOD: Should also have some further convenience functions
 248   // which don't require setting a wxListItem object
 249   long InsertItem(wxListItem& info);
 250
 251   // Insert a string item
 252   long InsertItem(long index, const wxString& label);
 253
 254   // Insert an image item
 255   long InsertItem(long index, int imageIndex);
 256
 257   // Insert an image/string item
 258   long InsertItem(long index, const wxString& label, int imageIndex);
 259
 260   // For list view mode (only), inserts a column.
 261   long InsertColumn(long col, wxListItem& info);
 262
 263   long InsertColumn(long col, const wxString& heading, int format = wxLIST_FORMAT_LEFT,
 264     int width = -1);
 265
 266   // Scrolls the list control. If in icon, small icon or report view mode,
 267   // x specifies the number of pixels to scroll. If in list view mode, x
 268   // specifies the number of columns to scroll.
 269   // If in icon, small icon or list view mode, y specifies the number of pixels
 270   // to scroll. If in report view mode, y specifies the number of lines to scroll.
 271   bool ScrollList(int dx, int dy);
 272
 273   // Sort items.
 274
 275   // fn is a function which takes 3 long arguments: item1, item2, data.
 276   // item1 is the long data associated with a first item (NOT the index).
 277   // item2 is the long data associated with a second item (NOT the index).
 278   // data is the same value as passed to SortItems.
 279   // The return value is a negative number if the first item should precede the second
 280   // item, a positive number of the second item should precede the first,
 281   // or zero if the two items are equivalent.
 282
 283   // data is arbitrary data to be passed to the sort function.
 284   bool SortItems(wxListCtrlCompare fn, long data);
 285
 286   wxMacDataBrowserListCtrlControl* GetListPeer() const;
 287
 288     // these functions are only used for virtual list view controls, i.e. the
 289     // ones with wxLC_VIRTUAL style
 290
 291     void SetItemCount(long count);
 292     void RefreshItem(long item);
 293     void RefreshItems(long itemFrom, long itemTo);
 294
 295     // return the text for the given column of the given item
 296     virtual wxString OnGetItemText(long item, long column) const;
 297
 298     // return the icon for the given item. In report view, OnGetItemImage will
 299     // only be called for the first column. See OnGetItemColumnImage for
 300     // details.
 301     virtual int OnGetItemImage(long item) const;
 302
 303     // return the icon for the given item and column.
 304     virtual int OnGetItemColumnImage(long item, long column) const;
 305
 306     // return the attribute for the item (may return NULL if none)
 307     virtual wxListItemAttr *OnGetItemAttr(long item) const;
 308
 309 /* Why should we need this function? Leave for now.
 310  * We might need it because item data may have changed,
 311  * but the display needs refreshing (in string callback mode)
 312   // Updates an item. If the list control has the wxLI_AUTO_ARRANGE style,
 313   // the items will be rearranged.
 314   bool Update(long item);
 315 */
 316
 317   void Command(wxCommandEvent& event) { ProcessCommand(event); };
 318
 319   wxListCtrlCompare GetCompareFunc() { return m_compareFunc; };
 320   long GetCompareFuncData() { return m_compareFuncData; };
 321
 322
 323   // public overrides needed for pimpl approach
 324   virtual bool SetFont(const wxFont& font);
 325   virtual bool SetForegroundColour(const wxColour& colour);
 326   virtual bool SetBackgroundColour(const wxColour& colour);
 327   virtual wxColour GetBackgroundColour() const;
 328
 329   // functions for editing/timer
 330   void OnRenameTimer();
 331   bool OnRenameAccept(long itemEdit, const wxString& value);
 332   void OnRenameCancelled(long itemEdit);
 333
 334   void ChangeCurrent(long current);
 335   void ResetCurrent() { ChangeCurrent((long)-1); }
 336   bool HasCurrent() const { return m_current != (long)-1; }
 337
 338   void OnLeftDown(wxMouseEvent& event);
 339   void OnDblClick(wxMouseEvent& event);
 340
 341   void FinishEditing(wxTextCtrl *text)
 342   {
 343       delete text;
 344       m_textctrlWrapper = NULL;
 345       SetFocus();
 346   }
 347
 348   virtual int GetScrollPos(int orient) const;
 349
 350   void OnRightDown(wxMouseEvent& event);
 351   void OnMiddleDown(wxMouseEvent& event);
 352   void OnChar(wxKeyEvent& event);
 353   virtual void SetFocus();
 354   void FireMouseEvent(wxEventType eventType, wxPoint position);
 355
 356   virtual void SetDropTarget( wxDropTarget *dropTarget );
 357   virtual wxDropTarget* GetDropTarget() const;
 358
 359   // with CG, we need to get the context from an kEventControlDraw event
 360   // unfortunately, the DataBrowser callbacks don't provide the context
 361   // and we need it, so we need to set/remove it before and after draw
 362   // events so we can access it in the callbacks.
 363   void MacSetDrawingContext(void* context) { m_cgContext = context; }
 364   void* MacGetDrawingContext() { return m_cgContext; }
 365
 366   virtual wxVisualAttributes GetDefaultAttributes() const
 367   {
 368       return GetClassDefaultAttributes(GetWindowVariant());
 369   }
 370
 371   static wxVisualAttributes
 372   GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
 373
 374 protected:
 375
 376   // protected overrides needed for pimpl approach
 377   virtual void DoSetSize(int x, int y,
 378                          int width, int height,
 379                          int sizeFlags = wxSIZE_AUTO);
 380
 381   virtual wxSize DoGetBestSize() const;
 382
 383   long               m_current;
 384   wxListCtrlTextCtrlWrapper *m_textctrlWrapper;
 385   wxListCtrlRenameTimer *m_renameTimer;
 386   // common part of all ctors
 387   void Init();
 388
 389   wxGenericListCtrl* m_genericImpl;   // allow use of the generic impl.
 390   wxMacDataBrowserListCtrlControl* m_dbImpl;
 391   void*  m_macListCtrlEventHandler;
 392   void*  m_cgContext;
 393   wxListCtrlCompare m_compareFunc;
 394   long m_compareFuncData;
 395
 396   wxTextCtrl*       m_textCtrl;        // The control used for editing a label
 397   wxImageList *     m_imageListNormal; // The image list for normal icons
 398   wxImageList *     m_imageListSmall;  // The image list for small icons
 399   wxImageList *     m_imageListState;  // The image list state icons (not implemented yet)
 400
 401   wxColumnList      m_colsInfo; // for storing info about each column
 402   wxColour          m_textColor;
 403   wxColour          m_bgColor;
 404
 405   // keep track of whether or not we should delete the image list ourselves.
 406   bool              m_ownsImageListNormal,
 407                     m_ownsImageListSmall,
 408                     m_ownsImageListState;
 409
 410   long              m_baseStyle;  // Basic Windows style flags, for recreation purposes
 411   int               m_colCount;   // Windows doesn't have GetColumnCount so must
 412                                   // keep track of inserted/deleted columns
 413
 414   int               m_count; // for virtual lists, store item count
 415
 416 private:
 417   int CalcColumnAutoWidth(int col) const;
 418
 419   DECLARE_EVENT_TABLE()
 420 };
 421
 422 #endif
 423     // _WX_LISTCTRL_H_