include/wx/mac/classic/treectrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/classic/treectrl.h
   3 // Purpose:     wxTreeCtrl 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_TREECTRL_H_
  13 #define _WX_TREECTRL_H_
  14
  15 #include "wx/control.h"
  16 #include "wx/event.h"
  17 #include "wx/imaglist.h"
  18
  19 #define wxTREE_MASK_HANDLE          0x0001
  20 #define wxTREE_MASK_STATE           0x0002
  21 #define wxTREE_MASK_TEXT            0x0004
  22 #define wxTREE_MASK_IMAGE           0x0008
  23 #define wxTREE_MASK_SELECTED_IMAGE  0x0010
  24 #define wxTREE_MASK_CHILDREN        0x0020
  25 #define wxTREE_MASK_DATA            0x0040
  26
  27 #define wxTREE_STATE_BOLD           0x0001
  28 #define wxTREE_STATE_DROPHILITED    0x0002
  29 #define wxTREE_STATE_EXPANDED       0x0004
  30 #define wxTREE_STATE_EXPANDEDONCE   0x0008
  31 #define wxTREE_STATE_FOCUSED        0x0010
  32 #define wxTREE_STATE_SELECTED       0x0020
  33 #define wxTREE_STATE_CUT            0x0040
  34
  35 #define wxTREE_HITTEST_ABOVE            0x0001  // Above the client area.
  36 #define wxTREE_HITTEST_BELOW            0x0002  // Below the client area.
  37 #define wxTREE_HITTEST_NOWHERE          0x0004  // In the client area but below the last item.
  38 #define wxTREE_HITTEST_ONITEMBUTTON     0x0010  // On the button associated with an item.
  39 #define wxTREE_HITTEST_ONITEMICON       0x0020  // On the bitmap associated with an item.
  40 #define wxTREE_HITTEST_ONITEMINDENT     0x0040  // In the indentation associated with an item.
  41 #define wxTREE_HITTEST_ONITEMLABEL      0x0080  // On the label (string) associated with an item.
  42 #define wxTREE_HITTEST_ONITEMRIGHT      0x0100  // In the area to the right of an item.
  43 #define wxTREE_HITTEST_ONITEMSTATEICON  0x0200  // On the state icon for a tree view item that is in a user-defined state.
  44 #define wxTREE_HITTEST_TOLEFT           0x0400  // To the right of the client area.
  45 #define wxTREE_HITTEST_TORIGHT          0x0800  // To the left of the client area.
  46
  47 #define wxTREE_HITTEST_ONITEM (wxTREE_HITTEST_ONITEMICON | wxTREE_HITTEST_ONITEMLABEL | wxTREE_HITTEST_ONITEMSTATEICON)
  48
  49 // Flags for GetNextItem
  50 enum {
  51     wxTREE_NEXT_CARET,                 // Retrieves the currently selected item.
  52     wxTREE_NEXT_CHILD,                 // Retrieves the first child item. The hItem parameter must be NULL.
  53     wxTREE_NEXT_DROPHILITE,            // Retrieves the item that is the target of a drag-and-drop operation.
  54     wxTREE_NEXT_FIRSTVISIBLE,          // Retrieves the first visible item.
  55     wxTREE_NEXT_NEXT,                 // Retrieves the next sibling item.
  56     wxTREE_NEXT_NEXTVISIBLE,           // Retrieves the next visible item that follows the specified item.
  57     wxTREE_NEXT_PARENT,                // Retrieves the parent of the specified item.
  58     wxTREE_NEXT_PREVIOUS,              // Retrieves the previous sibling item.
  59     wxTREE_NEXT_PREVIOUSVISIBLE,       // Retrieves the first visible item that precedes the specified item.
  60     wxTREE_NEXT_ROOT                   // Retrieves the first child item of the root item of which the specified item is a part.
  61 };
  62
  63 // Flags for InsertItem
  64 enum {
  65     wxTREE_INSERT_LAST = -1,
  66     wxTREE_INSERT_FIRST = -2,
  67     wxTREE_INSERT_SORT = -3
  68 };
  69
  70 class WXDLLEXPORT wxTreeItem: public wxObject
  71 {
  72  DECLARE_DYNAMIC_CLASS(wxTreeItem)
  73 public:
  74     long            m_mask;
  75     long            m_itemId;
  76     long            m_state;
  77     long            m_stateMask;
  78     wxString        m_text;
  79     int             m_image;
  80     int             m_selectedImage;
  81     int             m_children;
  82     long            m_data;
  83
  84     wxTreeItem();
  85
  86 // Accessors
  87     inline long GetMask() const { return m_mask; }
  88     inline long GetItemId() const { return m_itemId; }
  89     inline long GetState() const { return m_state; }
  90     inline long GetStateMask() const { return m_stateMask; }
  91     inline wxString GetText() const { return m_text; }
  92     inline int GetImage() const { return m_image; }
  93     inline int GetSelectedImage() const { return m_selectedImage; }
  94     inline int GetChildren() const { return m_children; }
  95     inline long GetData() const { return m_data; }
  96
  97     inline void SetMask(long mask) { m_mask = mask; }
  98     inline void SetItemId(long id) { m_itemId = m_itemId = id; }
  99     inline void SetState(long state) { m_state = state; }
 100     inline void SetStateMask(long stateMask) { m_stateMask = stateMask; }
 101     inline void GetText(const wxString& text) { m_text = text; }
 102     inline void SetImage(int image) { m_image = image; }
 103     inline void GetSelectedImage(int selImage) { m_selectedImage = selImage; }
 104     inline void SetChildren(int children) { m_children = children; }
 105     inline void SetData(long data) { m_data = data; }
 106 };
 107
 108 class WXDLLEXPORT wxTreeCtrl: public wxControl
 109 {
 110 public:
 111    /*
 112     * Public interface
 113     */
 114
 115     // creation
 116     // --------
 117     wxTreeCtrl();
 118
 119     inline wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY,
 120         const wxPoint& pos = wxDefaultPosition,
 121         const wxSize& size = wxDefaultSize,
 122         long style = wxTR_HAS_BUTTONS|wxTR_LINES_AT_ROOT,
 123         const wxValidator& validator = wxDefaultValidator,
 124         const wxString& name = "wxTreeCtrl")
 125     {
 126         Create(parent, id, pos, size, style, validator, name);
 127     }
 128     ~wxTreeCtrl();
 129
 130     bool Create(wxWindow *parent, wxWindowID id = wxID_ANY,
 131                 const wxPoint& pos = wxDefaultPosition,
 132                 const wxSize& size = wxDefaultSize,
 133                 long style = wxTR_HAS_BUTTONS|wxTR_LINES_AT_ROOT,
 134                 const wxValidator& validator = wxDefaultValidator,
 135                 const wxString& name = "wxTreeCtrl");
 136
 137     // accessors
 138     // ---------
 139       //
 140     size_t GetCount() const;
 141
 142       // indent
 143     int GetIndent() const;
 144     void SetIndent(int indent);
 145       // image list
 146     wxImageList *GetImageList(int which = wxIMAGE_LIST_NORMAL) const;
 147     void SetImageList(wxImageList *imageList, int which = wxIMAGE_LIST_NORMAL);
 148
 149       // navigation inside the tree
 150     long GetNextItem(long item, int code) const;
 151     bool ItemHasChildren(long item) const;
 152     long GetChild(long item) const;
 153     long GetItemParent(long item) const;
 154     long GetFirstVisibleItem() const;
 155     long GetNextVisibleItem(long item) const;
 156     long GetSelection() const;
 157     long GetRootItem() const;
 158
 159       // generic function for (g|s)etting item attributes
 160     bool GetItem(wxTreeItem& info) const;
 161     bool SetItem(wxTreeItem& info);
 162       // item state
 163     int  GetItemState(long item, long stateMask) const;
 164     bool SetItemState(long item, long state, long stateMask);
 165       // item image
 166     bool SetItemImage(long item, int image, int selImage);
 167       // item text
 168     wxString GetItemText(long item) const;
 169     void SetItemText(long item, const wxString& str);
 170       // custom data associated with the item
 171     long GetItemData(long item) const;
 172     bool SetItemData(long item, long data);
 173       // convenience function
 174     bool IsItemExpanded(long item)
 175     {
 176         return (GetItemState(item, wxTREE_STATE_EXPANDED) &
 177                              wxTREE_STATE_EXPANDED) != 0;
 178     }
 179
 180       // bounding rect
 181     bool GetItemRect(long item, wxRect& rect, bool textOnly = false) const;
 182       //
 183     wxTextCtrl* GetEditControl() const;
 184
 185     // operations
 186     // ----------
 187       // adding/deleting items
 188     bool DeleteItem(long item);
 189     long InsertItem(long parent, wxTreeItem& info,
 190                     long insertAfter = wxTREE_INSERT_LAST);
 191       // If image > -1 and selImage == -1, the same image is used for
 192       // both selected and unselected items.
 193     long InsertItem(long parent, const wxString& label,
 194                     int image = -1, int selImage = -1,
 195                     long insertAfter = wxTREE_INSERT_LAST);
 196
 197       // changing item state
 198     bool ExpandItem(long item)   { return ExpandItem(item, wxTREE_EXPAND_EXPAND);   }
 199     bool CollapseItem(long item) { return ExpandItem(item, wxTREE_EXPAND_COLLAPSE); }
 200     bool ToggleItem(long item)   { return ExpandItem(item, wxTREE_EXPAND_TOGGLE);   }
 201       // common interface for {Expand|Collapse|Toggle}Item
 202     bool ExpandItem(long item, int action);
 203
 204       //
 205     bool SelectItem(long item);
 206     bool ScrollTo(long item);
 207     bool DeleteAllItems();
 208
 209     // Edit the label (tree must have the focus)
 210     wxTextCtrl* EditLabel(long item, wxClassInfo* textControlClass = CLASSINFO(wxTextCtrl));
 211
 212     // End label editing, optionally cancelling the edit
 213     bool EndEditLabel(bool cancel);
 214
 215     long HitTest(const wxPoint& point, int& flags);
 216     //  wxImageList *CreateDragImage(long item);
 217     bool SortChildren(long item);
 218     bool EnsureVisible(long item);
 219
 220     void Command(wxCommandEvent& event) { ProcessCommand(event); };
 221
 222 protected:
 223     wxTextCtrl*  m_textCtrl;
 224     wxImageList* m_imageListNormal;
 225     wxImageList* m_imageListState;
 226
 227     DECLARE_DYNAMIC_CLASS(wxTreeCtrl)
 228 };
 229
 230 /*
 231  wxEVT_COMMAND_TREE_BEGIN_DRAG,
 232  wxEVT_COMMAND_TREE_BEGIN_RDRAG,
 233  wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT,
 234  wxEVT_COMMAND_TREE_END_LABEL_EDIT,
 235  wxEVT_COMMAND_TREE_DELETE_ITEM,
 236  wxEVT_COMMAND_TREE_GET_INFO,
 237  wxEVT_COMMAND_TREE_SET_INFO,
 238  wxEVT_COMMAND_TREE_ITEM_EXPANDED,
 239  wxEVT_COMMAND_TREE_ITEM_EXPANDING,
 240  wxEVT_COMMAND_TREE_ITEM_COLLAPSED,
 241  wxEVT_COMMAND_TREE_ITEM_COLLAPSING,
 242  wxEVT_COMMAND_TREE_SEL_CHANGED,
 243  wxEVT_COMMAND_TREE_SEL_CHANGING,
 244  wxEVT_COMMAND_TREE_KEY_DOWN
 245 */
 246
 247 class WXDLLEXPORT wxTreeEvent: public wxCommandEvent
 248 {
 249   DECLARE_DYNAMIC_CLASS(wxTreeEvent)
 250
 251  public:
 252   wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
 253
 254   int           m_code;
 255   wxTreeItem    m_item;
 256   long          m_oldItem;
 257   wxPoint       m_pointDrag;
 258
 259   inline long GetOldItem() const { return m_oldItem; }
 260   inline wxTreeItem& GetItem() const { return (wxTreeItem&) m_item; }
 261   inline wxPoint GetPoint() const { return m_pointDrag; }
 262   inline int GetCode() const { return m_code; }
 263 };
 264
 265 typedef void (wxEvtHandler::*wxTreeEventFunction)(wxTreeEvent&);
 266
 267 #define EVT_TREE_BEGIN_DRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 268 #define EVT_TREE_BEGIN_RDRAG(id, fn) { wxEVT_COMMAND_TREE_BEGIN_RDRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 269 #define EVT_TREE_BEGIN_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 270 #define EVT_TREE_END_LABEL_EDIT(id, fn) { wxEVT_COMMAND_TREE_END_LABEL_EDIT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 271 #define EVT_TREE_DELETE_ITEM(id, fn) { wxEVT_COMMAND_TREE_DELETE_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 272 #define EVT_TREE_GET_INFO(id, fn) { wxEVT_COMMAND_TREE_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 273 #define EVT_TREE_SET_INFO(id, fn) { wxEVT_COMMAND_TREE_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 274 #define EVT_TREE_ITEM_EXPANDED(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 275 #define EVT_TREE_ITEM_EXPANDING(id, fn) { wxEVT_COMMAND_TREE_ITEM_EXPANDING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 276 #define EVT_TREE_ITEM_COLLAPSED(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 277 #define EVT_TREE_ITEM_COLLAPSING(id, fn) { wxEVT_COMMAND_TREE_ITEM_COLLAPSING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 278 #define EVT_TREE_SEL_CHANGED(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 279 #define EVT_TREE_SEL_CHANGING(id, fn) { wxEVT_COMMAND_TREE_SEL_CHANGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 280 #define EVT_TREE_KEY_DOWN(id, fn) { wxEVT_COMMAND_TREE_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxTreeEventFunction) & fn, (wxObject *) NULL },
 281
 282 #endif
 283     // _WX_TREECTRL_H_