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