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/defs.h"
  16 #include "wx/generic/listctrl.h"
  17
  18 class wxMacDataBrowserListCtrlControl;
  19 class wxMacListControl;
  20 class wxListCtrlTextCtrlWrapper;
  21 class wxListCtrlRenameTimer;
  22
  23 WX_DECLARE_EXPORTED_LIST(wxListItem, wxColumnList);
  24
  25 class WXDLLEXPORT wxListCtrl: public wxControl
  26 {
  27   DECLARE_DYNAMIC_CLASS(wxListCtrl)
  28  public:
  29   /*
  30    * Public interface
  31    */
  32
  33     wxListCtrl() { Init(); }
  34
  35     wxListCtrl(wxWindow *parent,
  36                wxWindowID id = wxID_ANY,
  37                const wxPoint& pos = wxDefaultPosition,
  38                const wxSize& size = wxDefaultSize,
  39                long style = wxLC_ICON,
  40                const wxValidator& validator = wxDefaultValidator,
  41                const wxString& name = wxListCtrlNameStr)
  42     {
  43         Init();
  44
  45         Create(parent, id, pos, size, style, validator, name);
  46     }
  47
  48     virtual ~wxListCtrl();
  49
  50     bool Create(wxWindow *parent,
  51                 wxWindowID id = wxID_ANY,
  52                 const wxPoint& pos = wxDefaultPosition,
  53                 const wxSize& size = wxDefaultSize,
  54                 long style = wxLC_ICON,
  55                 const wxValidator& validator = wxDefaultValidator,
  56                 const wxString& name = wxListCtrlNameStr);
  57
  58   // Attributes
  59   ////////////////////////////////////////////////////////////////////////////
  60
  61   // Gets information about this column
  62   bool GetColumn(int col, wxListItem& item) const;
  63
  64   // Sets information about this column
  65   // TODO: NOT const to be compatible with wxGenericListCtrl API
  66   bool SetColumn(int col, wxListItem& item) ;
  67
  68   // Gets the column width
  69   int GetColumnWidth(int col) const;
  70
  71   // Sets the column width
  72   bool SetColumnWidth(int col, int width) ;
  73
  74   // Gets the number of items that can fit vertically in the
  75   // visible area of the list control (list or report view)
  76   // or the total number of items in the list control (icon
  77   // or small icon view)
  78   int GetCountPerPage() const;
  79
  80   // Gets the edit control for editing labels.
  81   wxTextCtrl* GetEditControl() const;
  82
  83   // Gets information about the item
  84   bool GetItem(wxListItem& info) const ;
  85
  86   // Sets information about the item
  87   bool SetItem(wxListItem& info) ;
  88
  89   // Sets a string field at a particular column
  90   long SetItem(long index, int col, const wxString& label, int imageId = -1);
  91
  92   // Gets the item state
  93   int  GetItemState(long item, long stateMask) const ;
  94
  95   // Sets the item state
  96   bool SetItemState(long item, long state, long stateMask) ;
  97
  98   void AssignImageList(wxImageList *imageList, int which);
  99
 100   // Sets the item image
 101   bool SetItemImage(long item, int image, int selImage = -1) ;
 102   bool SetItemColumnImage(long item, long column, int image);
 103
 104   // Gets the item text
 105   wxString GetItemText(long item) const ;
 106
 107   // Sets the item text
 108   void SetItemText(long item, const wxString& str) ;
 109
 110   void SetItemTextColour(long item, const wxColour& colour) ;
 111   wxColour GetItemTextColour(long item) const;
 112
 113   void SetItemBackgroundColour(long item, const wxColour& colour) ;
 114   wxColour GetItemBackgroundColour(long item) const;
 115
 116   void SetItemFont( long item, const wxFont &f);
 117   wxFont GetItemFont( long item ) const;
 118
 119   // Gets the item data
 120   long GetItemData(long item) const ;
 121
 122   // Sets the item data
 123   bool SetItemData(long item, long data) ;
 124
 125   // Gets the item rectangle
 126   bool GetItemRect(long item, wxRect& rect, int code = wxLIST_RECT_BOUNDS) const ;
 127
 128   // Gets the item position
 129   bool GetItemPosition(long item, wxPoint& pos) const ;
 130
 131   // Sets the item position
 132   bool SetItemPosition(long item, const wxPoint& pos) ;
 133
 134   // Gets the number of items in the list control
 135   int GetItemCount() const;
 136
 137   // Gets the number of columns in the list control
 138   int GetColumnCount() const;
 139
 140   void SetItemSpacing( int spacing, bool isSmall = false );
 141   wxSize GetItemSpacing() const;
 142
 143   // Gets the number of selected items in the list control
 144   int GetSelectedItemCount() const;
 145
 146   wxRect GetViewRect() const;
 147
 148   // Gets the text colour of the listview
 149   wxColour GetTextColour() const;
 150
 151   // Sets the text colour of the listview
 152   void SetTextColour(const wxColour& col);
 153
 154   // Gets the index of the topmost visible item when in
 155   // list or report view
 156   long GetTopItem() const ;
 157
 158   // are we in report mode?
 159   bool InReportView() const { return HasFlag(wxLC_REPORT); }
 160
 161   bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }
 162
 163   // Add or remove a single window style
 164   void SetSingleStyle(long style, bool add = true) ;
 165
 166   // Set the whole window style
 167   void SetWindowStyleFlag(long style) ;
 168
 169   // Searches for an item, starting from 'item'.
 170   // item can be -1 to find the first item that matches the
 171   // specified flags.
 172   // Returns the item or -1 if unsuccessful.
 173   long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ;
 174
 175   // Implementation: converts wxWidgets style to MSW style.
 176   // Can be a single style flag or a bit list.
 177   // oldStyle is 'normalised' so that it doesn't contain
 178   // conflicting styles.
 179   long ConvertToMSWStyle(long& oldStyle, long style) const;
 180
 181   // Gets one of the three image lists
 182   wxImageList *GetImageList(int which) const ;
 183
 184   // Sets the image list
 185   // N.B. There's a quirk in the Win95 list view implementation.
 186   // If in wxLC_LIST mode, it'll *still* display images by the labels if
 187   // there's a small-icon image list set for the control - even though you
 188   // haven't specified wxLIST_MASK_IMAGE when inserting.
 189   // So you have to set a NULL small-icon image list to be sure that
 190   // the wxLC_LIST mode works without icons. Of course, you may want icons...
 191   void SetImageList(wxImageList *imageList, int which) ;
 192
 193   // Operations
 194   ////////////////////////////////////////////////////////////////////////////
 195
 196   // Arranges the items
 197   bool Arrange(int flag = wxLIST_ALIGN_DEFAULT);
 198
 199   // Deletes an item
 200   bool DeleteItem(long item);
 201
 202   // Deletes all items
 203   bool DeleteAllItems() ;
 204
 205   // Deletes a column
 206   bool DeleteColumn(int col);
 207
 208   // Deletes all columns
 209   bool DeleteAllColumns();
 210
 211   // Clears items, and columns if there are any.
 212   void ClearAll();
 213
 214   // Edit the label
 215   wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
 216
 217   // End label editing, optionally cancelling the edit
 218   bool EndEditLabel(bool cancel);
 219
 220   // Ensures this item is visible
 221   bool EnsureVisible(long item) ;
 222
 223   // Find an item whose label matches this string, starting from the item after 'start'
 224   // or the beginning if 'start' is -1.
 225   long FindItem(long start, const wxString& str, bool partial = false);
 226
 227   // Find an item whose data matches this data, starting from the item after 'start'
 228   // or the beginning if 'start' is -1.
 229   long FindItem(long start, long data);
 230
 231   // Find an item nearest this position in the specified direction, starting from
 232   // the item after 'start' or the beginning if 'start' is -1.
 233   long FindItem(long start, const wxPoint& pt, int direction);
 234
 235   // Determines which item (if any) is at the specified point,
 236   // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
 237   // Request the subitem number as well at the given coordinate.
 238   long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;
 239
 240   // Inserts an item, returning the index of the new item if successful,
 241   // -1 otherwise.
 242   // TOD: Should also have some further convenience functions
 243   // which don't require setting a wxListItem object
 244   long InsertItem(wxListItem& info);
 245
 246   // Insert a string item
 247   long InsertItem(long index, const wxString& label);
 248
 249   // Insert an image item
 250   long InsertItem(long index, int imageIndex);
 251
 252   // Insert an image/string item
 253   long InsertItem(long index, const wxString& label, int imageIndex);
 254
 255   // For list view mode (only), inserts a column.
 256   long InsertColumn(long col, wxListItem& info);
 257
 258   long InsertColumn(long col, const wxString& heading, int format = wxLIST_FORMAT_LEFT,
 259     int width = -1);
 260
 261   // Scrolls the list control. If in icon, small icon or report view mode,
 262   // x specifies the number of pixels to scroll. If in list view mode, x
 263   // specifies the number of columns to scroll.
 264   // If in icon, small icon or list view mode, y specifies the number of pixels
 265   // to scroll. If in report view mode, y specifies the number of lines to scroll.
 266   bool ScrollList(int dx, int dy);
 267
 268   // Sort items.
 269
 270   // fn is a function which takes 3 long arguments: item1, item2, data.
 271   // item1 is the long data associated with a first item (NOT the index).
 272   // item2 is the long data associated with a second item (NOT the index).
 273   // data is the same value as passed to SortItems.
 274   // The return value is a negative number if the first item should precede the second
 275   // item, a positive number of the second item should precede the first,
 276   // or zero if the two items are equivalent.
 277
 278   // data is arbitrary data to be passed to the sort function.
 279   bool SortItems(wxListCtrlCompare fn, long data);
 280
 281   wxMacListControl* GetPeer() const;
 282
 283     // these functions are only used for virtual list view controls, i.e. the
 284     // ones with wxLC_VIRTUAL style
 285
 286     void SetItemCount(long count);
 287     void RefreshItem(long item);
 288     void RefreshItems(long itemFrom, long itemTo);
 289
 290     // return the text for the given column of the given item
 291     virtual wxString OnGetItemText(long item, long column) const;
 292
 293     // return the icon for the given item. In report view, OnGetItemImage will
 294     // only be called for the first column. See OnGetItemColumnImage for
 295     // details.
 296     virtual int OnGetItemImage(long item) const;
 297
 298     // return the icon for the given item and column.
 299     virtual int OnGetItemColumnImage(long item, long column) const;
 300
 301     // return the attribute for the item (may return NULL if none)
 302     virtual wxListItemAttr *OnGetItemAttr(long item) const;
 303
 304 /* Why should we need this function? Leave for now.
 305  * We might need it because item data may have changed,
 306  * but the display needs refreshing (in string callback mode)
 307   // Updates an item. If the list control has the wxLI_AUTO_ARRANGE style,
 308   // the items will be rearranged.
 309   bool Update(long item);
 310 */
 311
 312   void Command(wxCommandEvent& event) { ProcessCommand(event); };
 313
 314   wxListCtrlCompare GetCompareFunc() { return m_compareFunc; };
 315   long GetCompareFuncData() { return m_compareFuncData; };
 316
 317
 318   // public overrides needed for pimpl approach
 319   virtual bool SetFont(const wxFont& font);
 320   virtual bool SetForegroundColour(const wxColour& colour);
 321   virtual bool SetBackgroundColour(const wxColour& colour);
 322   virtual wxColour GetBackgroundColour();
 323
 324   // functions for editing/timer
 325   void OnRenameTimer();
 326   bool OnRenameAccept(long itemEdit, const wxString& value);
 327   void OnRenameCancelled(long itemEdit);
 328
 329   void ChangeCurrent(long current);
 330   void ResetCurrent() { ChangeCurrent((long)-1); }
 331   bool HasCurrent() const { return m_current != (long)-1; }
 332
 333   void OnLeftDown(wxMouseEvent& event);
 334   void OnRightDown(wxMouseEvent& event);
 335   void OnDblClick(wxMouseEvent& event);
 336
 337   void FinishEditing(wxTextCtrl *text)
 338   {
 339       delete text;
 340       m_textctrlWrapper = NULL;
 341       SetFocus();
 342   }
 343
 344   virtual int GetScrollPos(int orient) const;
 345
 346 #if wxABI_VERSION >= 20801
 347   virtual void SetFocus();
 348 #endif
 349
 350   virtual void SetDropTarget( wxDropTarget *dropTarget );
 351   virtual wxDropTarget* GetDropTarget() const;
 352
 353   // with CG, we need to get the context from an kEventControlDraw event
 354   // unfortunately, the DataBrowser callbacks don't provide the context
 355   // and we need it, so we need to set/remove it before and after draw
 356   // events so we can access it in the callbacks.
 357   void MacSetDrawingContext(void* context) { m_cgContext = context; }
 358   void* MacGetDrawingContext() { return m_cgContext; }
 359
 360 protected:
 361
 362   // protected overrides needed for pimpl approach
 363   virtual void DoSetSize(int x, int y,
 364                          int width, int height,
 365                          int sizeFlags = wxSIZE_AUTO);
 366
 367   virtual wxSize DoGetBestSize() const;
 368
 369   long               m_current;
 370   wxListCtrlTextCtrlWrapper *m_textctrlWrapper;
 371   wxListCtrlRenameTimer *m_renameTimer;
 372   // common part of all ctors
 373   void Init();
 374
 375   wxGenericListCtrl* m_genericImpl;   // allow use of the generic impl.
 376   wxMacDataBrowserListCtrlControl* m_dbImpl;
 377   void*  m_macListCtrlEventHandler;
 378   void*  m_cgContext;
 379   wxListCtrlCompare m_compareFunc;
 380   long m_compareFuncData;
 381
 382   wxTextCtrl*       m_textCtrl;        // The control used for editing a label
 383   wxImageList *     m_imageListNormal; // The image list for normal icons
 384   wxImageList *     m_imageListSmall;  // The image list for small icons
 385   wxImageList *     m_imageListState;  // The image list state icons (not implemented yet)
 386
 387   wxColumnList      m_colsInfo; // for storing info about each column
 388   wxColour          m_textColor;
 389   wxColour          m_bgColor;
 390
 391   // keep track of whether or not we should delete the image list ourselves.
 392   bool              m_ownsImageListNormal,
 393                     m_ownsImageListSmall,
 394                     m_ownsImageListState;
 395
 396   long              m_baseStyle;  // Basic Windows style flags, for recreation purposes
 397   wxStringList      m_stringPool; // Pool of 3 strings to satisfy Windows callback
 398                                   // requirements
 399   int               m_colCount;   // Windows doesn't have GetColumnCount so must
 400                                   // keep track of inserted/deleted columns
 401
 402   int               m_count; // for virtual lists, store item count
 403
 404 private:
 405   DECLARE_EVENT_TABLE()
 406 };
 407
 408 #endif
 409     // _WX_LISTCTRL_H_