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/control.h"
  16 #include "wx/event.h"
  17 #include "wx/imaglist.h"
  18 #include "wx/generic/listctrl.h"
  19
  20 class wxMacDataBrowserListCtrlControl;
  21
  22 // type of compare function for wxListCtrl sort operation
  23 typedef int (*wxListCtrlCompare)(long item1, long item2, long sortData);
  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   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   bool IsVirtual() const { return HasFlag(wxLC_VIRTUAL); }
 158
 159   // Add or remove a single window style
 160   void SetSingleStyle(long style, bool add = true) ;
 161
 162   // Set the whole window style
 163   void SetWindowStyleFlag(long style) ;
 164
 165   // Searches for an item, starting from 'item'.
 166   // item can be -1 to find the first item that matches the
 167   // specified flags.
 168   // Returns the item or -1 if unsuccessful.
 169   long GetNextItem(long item, int geometry = wxLIST_NEXT_ALL, int state = wxLIST_STATE_DONTCARE) const ;
 170
 171   // Implementation: converts wxWidgets style to MSW style.
 172   // Can be a single style flag or a bit list.
 173   // oldStyle is 'normalised' so that it doesn't contain
 174   // conflicting styles.
 175   long ConvertToMSWStyle(long& oldStyle, long style) const;
 176
 177   // Gets one of the three image lists
 178   wxImageList *GetImageList(int which) const ;
 179
 180   // Sets the image list
 181   // N.B. There's a quirk in the Win95 list view implementation.
 182   // If in wxLC_LIST mode, it'll *still* display images by the labels if
 183   // there's a small-icon image list set for the control - even though you
 184   // haven't specified wxLIST_MASK_IMAGE when inserting.
 185   // So you have to set a NULL small-icon image list to be sure that
 186   // the wxLC_LIST mode works without icons. Of course, you may want icons...
 187   void SetImageList(wxImageList *imageList, int which) ;
 188
 189   // Operations
 190   ////////////////////////////////////////////////////////////////////////////
 191
 192   // Arranges the items
 193   bool Arrange(int flag = wxLIST_ALIGN_DEFAULT);
 194
 195   // Deletes an item
 196   bool DeleteItem(long item);
 197
 198   // Deletes all items
 199   bool DeleteAllItems() ;
 200
 201   // Deletes a column
 202   bool DeleteColumn(int col);
 203
 204   // Deletes all columns
 205   bool DeleteAllColumns();
 206
 207   // Clears items, and columns if there are any.
 208   void ClearAll();
 209
 210   // Edit the label
 211   wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
 212
 213   // End label editing, optionally cancelling the edit
 214   bool EndEditLabel(bool cancel);
 215
 216   // Ensures this item is visible
 217   bool EnsureVisible(long item) ;
 218
 219   // Find an item whose label matches this string, starting from the item after 'start'
 220   // or the beginning if 'start' is -1.
 221   long FindItem(long start, const wxString& str, bool partial = false);
 222
 223   // Find an item whose data matches this data, starting from the item after 'start'
 224   // or the beginning if 'start' is -1.
 225   long FindItem(long start, long data);
 226
 227   // Find an item nearest this position in the specified direction, starting from
 228   // the item after 'start' or the beginning if 'start' is -1.
 229   long FindItem(long start, const wxPoint& pt, int direction);
 230
 231   // Determines which item (if any) is at the specified point,
 232   // giving details in 'flags' (see wxLIST_HITTEST_... flags above)
 233   // Request the subitem number as well at the given coordinate.
 234   long HitTest(const wxPoint& point, int& flags, long* ptrSubItem = NULL) const;
 235
 236   // Inserts an item, returning the index of the new item if successful,
 237   // -1 otherwise.
 238   // TOD: Should also have some further convenience functions
 239   // which don't require setting a wxListItem object
 240   long InsertItem(wxListItem& info);
 241
 242   // Insert a string item
 243   long InsertItem(long index, const wxString& label);
 244
 245   // Insert an image item
 246   long InsertItem(long index, int imageIndex);
 247
 248   // Insert an image/string item
 249   long InsertItem(long index, const wxString& label, int imageIndex);
 250
 251   // For list view mode (only), inserts a column.
 252   long InsertColumn(long col, wxListItem& info);
 253
 254   long InsertColumn(long col, const wxString& heading, int format = wxLIST_FORMAT_LEFT,
 255     int width = -1);
 256
 257   // Scrolls the list control. If in icon, small icon or report view mode,
 258   // x specifies the number of pixels to scroll. If in list view mode, x
 259   // specifies the number of columns to scroll.
 260   // If in icon, small icon or list view mode, y specifies the number of pixels
 261   // to scroll. If in report view mode, y specifies the number of lines to scroll.
 262   bool ScrollList(int dx, int dy);
 263
 264   // Sort items.
 265
 266   // fn is a function which takes 3 long arguments: item1, item2, data.
 267   // item1 is the long data associated with a first item (NOT the index).
 268   // item2 is the long data associated with a second item (NOT the index).
 269   // data is the same value as passed to SortItems.
 270   // The return value is a negative number if the first item should precede the second
 271   // item, a positive number of the second item should precede the first,
 272   // or zero if the two items are equivalent.
 273
 274   // data is arbitrary data to be passed to the sort function.
 275   bool SortItems(wxListCtrlCompare fn, long data);
 276
 277   wxMacListControl* GetPeer() const;
 278
 279     // these functions are only used for virtual list view controls, i.e. the
 280     // ones with wxLC_VIRTUAL style
 281
 282     void SetItemCount(long count);
 283     void RefreshItem(long item);
 284     void RefreshItems(long itemFrom, long itemTo);
 285
 286     // return the text for the given column of the given item
 287     virtual wxString OnGetItemText(long item, long column) const;
 288
 289     // return the icon for the given item. In report view, OnGetItemImage will
 290     // only be called for the first column. See OnGetItemColumnImage for
 291     // details.
 292     virtual int OnGetItemImage(long item) const;
 293
 294     // return the icon for the given item and column.
 295     virtual int OnGetItemColumnImage(long item, long column) const;
 296
 297     // return the attribute for the item (may return NULL if none)
 298     virtual wxListItemAttr *OnGetItemAttr(long item) const;
 299
 300 /* Why should we need this function? Leave for now.
 301  * We might need it because item data may have changed,
 302  * but the display needs refreshing (in string callback mode)
 303   // Updates an item. If the list control has the wxLI_AUTO_ARRANGE style,
 304   // the items will be rearranged.
 305   bool Update(long item);
 306 */
 307
 308   void Command(wxCommandEvent& event) { ProcessCommand(event); };
 309
 310 protected:
 311   // overrides needed for pimpl approach
 312   virtual void DoSetSize(int x, int y,
 313                            int width, int height,
 314                            int sizeFlags = wxSIZE_AUTO);
 315
 316   // common part of all ctors
 317   void Init();
 318
 319   wxGenericListCtrl* m_genericImpl;   // allow use of the generic impl.
 320   wxMacDataBrowserListCtrlControl* m_dbImpl;
 321
 322   wxTextCtrl*       m_textCtrl;        // The control used for editing a label
 323   wxImageList *     m_imageListNormal; // The image list for normal icons
 324   wxImageList *     m_imageListSmall;  // The image list for small icons
 325   wxImageList *     m_imageListState;  // The image list state icons (not implemented yet)
 326
 327   // keep track of whether or not we should delete the image list ourselves.
 328   bool              m_ownsImageListNormal,
 329                     m_ownsImageListSmall,
 330                     m_ownsImageListState;
 331
 332   long              m_baseStyle;  // Basic Windows style flags, for recreation purposes
 333   wxStringList      m_stringPool; // Pool of 3 strings to satisfy Windows callback
 334                                   // requirements
 335   int               m_colCount;   // Windows doesn't have GetColumnCount so must
 336                                   // keep track of inserted/deleted columns
 337
 338   int               m_count; // for virtual lists, store item count
 339 };
 340
 341 typedef void (wxEvtHandler::*wxListEventFunction)(wxListEvent&);
 342
 343 #endif
 344     // _WX_LISTCTRL_H_