| | 1 | ///////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: wx/msw/treectrl.h |
| | 3 | // Purpose: wxTreeCtrl class |
| | 4 | // Author: Julian Smart |
| | 5 | // Modified by: Vadim Zeitlin to be less MSW-specific on 10/10/98 |
| | 6 | // Created: 01/02/97 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) Julian Smart |
| | 9 | // Licence: wxWindows licence |
| | 10 | ///////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_MSW_TREECTRL_H_ |
| | 13 | #define _WX_MSW_TREECTRL_H_ |
| | 14 | |
| | 15 | // ---------------------------------------------------------------------------- |
| | 16 | // headers |
| | 17 | // ---------------------------------------------------------------------------- |
| | 18 | |
| | 19 | #if wxUSE_TREECTRL |
| | 20 | |
| | 21 | #include "wx/textctrl.h" |
| | 22 | #include "wx/dynarray.h" |
| | 23 | #include "wx/treebase.h" |
| | 24 | #include "wx/hashmap.h" |
| | 25 | |
| | 26 | #ifdef __GNUWIN32__ |
| | 27 | // Cygwin windows.h defines these identifiers |
| | 28 | #undef GetFirstChild |
| | 29 | #undef GetNextSibling |
| | 30 | #endif // Cygwin |
| | 31 | |
| | 32 | // fwd decl |
| | 33 | class WXDLLEXPORT wxImageList; |
| | 34 | class WXDLLEXPORT wxDragImage; |
| | 35 | struct WXDLLEXPORT wxTreeViewItem; |
| | 36 | |
| | 37 | #if WXWIN_COMPATIBILITY_2_6 |
| | 38 | // NB: all the following flags are for compatbility only and will be removed in the |
| | 39 | // next versions |
| | 40 | // flags for deprecated InsertItem() variant (their values are the same as of |
| | 41 | // TVI_FIRST and TVI_LAST) |
| | 42 | #define wxTREE_INSERT_FIRST 0xFFFF0001 |
| | 43 | #define wxTREE_INSERT_LAST 0xFFFF0002 |
| | 44 | #endif |
| | 45 | |
| | 46 | // hash storing attributes for our items |
| | 47 | WX_DECLARE_EXPORTED_VOIDPTR_HASH_MAP(wxTreeItemAttr *, wxMapTreeAttr); |
| | 48 | |
| | 49 | // ---------------------------------------------------------------------------- |
| | 50 | // wxTreeCtrl |
| | 51 | // ---------------------------------------------------------------------------- |
| | 52 | |
| | 53 | class WXDLLEXPORT wxTreeCtrl : public wxTreeCtrlBase |
| | 54 | { |
| | 55 | public: |
| | 56 | // creation |
| | 57 | // -------- |
| | 58 | wxTreeCtrl() { Init(); } |
| | 59 | |
| | 60 | wxTreeCtrl(wxWindow *parent, wxWindowID id = wxID_ANY, |
| | 61 | const wxPoint& pos = wxDefaultPosition, |
| | 62 | const wxSize& size = wxDefaultSize, |
| | 63 | long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT, |
| | 64 | const wxValidator& validator = wxDefaultValidator, |
| | 65 | const wxString& name = wxTreeCtrlNameStr) |
| | 66 | { |
| | 67 | Create(parent, id, pos, size, style, validator, name); |
| | 68 | } |
| | 69 | |
| | 70 | virtual ~wxTreeCtrl(); |
| | 71 | |
| | 72 | bool Create(wxWindow *parent, wxWindowID id = wxID_ANY, |
| | 73 | const wxPoint& pos = wxDefaultPosition, |
| | 74 | const wxSize& size = wxDefaultSize, |
| | 75 | long style = wxTR_HAS_BUTTONS | wxTR_LINES_AT_ROOT, |
| | 76 | const wxValidator& validator = wxDefaultValidator, |
| | 77 | const wxString& name = wxTreeCtrlNameStr); |
| | 78 | |
| | 79 | // implement base class pure virtuals |
| | 80 | // ---------------------------------- |
| | 81 | |
| | 82 | virtual unsigned int GetCount() const; |
| | 83 | |
| | 84 | virtual unsigned int GetIndent() const; |
| | 85 | virtual void SetIndent(unsigned int indent); |
| | 86 | |
| | 87 | virtual void SetImageList(wxImageList *imageList); |
| | 88 | virtual void SetStateImageList(wxImageList *imageList); |
| | 89 | |
| | 90 | virtual wxString GetItemText(const wxTreeItemId& item) const; |
| | 91 | virtual int GetItemImage(const wxTreeItemId& item, |
| | 92 | wxTreeItemIcon which = wxTreeItemIcon_Normal) const; |
| | 93 | virtual wxTreeItemData *GetItemData(const wxTreeItemId& item) const; |
| | 94 | virtual wxColour GetItemTextColour(const wxTreeItemId& item) const; |
| | 95 | virtual wxColour GetItemBackgroundColour(const wxTreeItemId& item) const; |
| | 96 | virtual wxFont GetItemFont(const wxTreeItemId& item) const; |
| | 97 | |
| | 98 | virtual void SetItemText(const wxTreeItemId& item, const wxString& text); |
| | 99 | virtual void SetItemImage(const wxTreeItemId& item, int image, |
| | 100 | wxTreeItemIcon which = wxTreeItemIcon_Normal); |
| | 101 | virtual void SetItemData(const wxTreeItemId& item, wxTreeItemData *data); |
| | 102 | virtual void SetItemHasChildren(const wxTreeItemId& item, bool has = true); |
| | 103 | virtual void SetItemBold(const wxTreeItemId& item, bool bold = true); |
| | 104 | virtual void SetItemDropHighlight(const wxTreeItemId& item, |
| | 105 | bool highlight = true); |
| | 106 | virtual void SetItemTextColour(const wxTreeItemId& item, |
| | 107 | const wxColour& col); |
| | 108 | virtual void SetItemBackgroundColour(const wxTreeItemId& item, |
| | 109 | const wxColour& col); |
| | 110 | virtual void SetItemFont(const wxTreeItemId& item, const wxFont& font); |
| | 111 | |
| | 112 | // item status inquiries |
| | 113 | // --------------------- |
| | 114 | |
| | 115 | virtual bool IsVisible(const wxTreeItemId& item) const; |
| | 116 | virtual bool ItemHasChildren(const wxTreeItemId& item) const; |
| | 117 | virtual bool IsExpanded(const wxTreeItemId& item) const; |
| | 118 | virtual bool IsSelected(const wxTreeItemId& item) const; |
| | 119 | virtual bool IsBold(const wxTreeItemId& item) const; |
| | 120 | |
| | 121 | virtual size_t GetChildrenCount(const wxTreeItemId& item, |
| | 122 | bool recursively = true) const; |
| | 123 | |
| | 124 | // navigation |
| | 125 | // ---------- |
| | 126 | |
| | 127 | virtual wxTreeItemId GetRootItem() const; |
| | 128 | virtual wxTreeItemId GetSelection() const; |
| | 129 | virtual size_t GetSelections(wxArrayTreeItemIds& selections) const; |
| | 130 | |
| | 131 | virtual wxTreeItemId GetItemParent(const wxTreeItemId& item) const; |
| | 132 | virtual wxTreeItemId GetFirstChild(const wxTreeItemId& item, |
| | 133 | wxTreeItemIdValue& cookie) const; |
| | 134 | virtual wxTreeItemId GetNextChild(const wxTreeItemId& item, |
| | 135 | wxTreeItemIdValue& cookie) const; |
| | 136 | virtual wxTreeItemId GetLastChild(const wxTreeItemId& item) const; |
| | 137 | |
| | 138 | virtual wxTreeItemId GetNextSibling(const wxTreeItemId& item) const; |
| | 139 | virtual wxTreeItemId GetPrevSibling(const wxTreeItemId& item) const; |
| | 140 | |
| | 141 | virtual wxTreeItemId GetFirstVisibleItem() const; |
| | 142 | virtual wxTreeItemId GetNextVisible(const wxTreeItemId& item) const; |
| | 143 | virtual wxTreeItemId GetPrevVisible(const wxTreeItemId& item) const; |
| | 144 | |
| | 145 | // operations |
| | 146 | // ---------- |
| | 147 | |
| | 148 | virtual wxTreeItemId AddRoot(const wxString& text, |
| | 149 | int image = -1, int selectedImage = -1, |
| | 150 | wxTreeItemData *data = NULL); |
| | 151 | |
| | 152 | virtual void Delete(const wxTreeItemId& item); |
| | 153 | virtual void DeleteChildren(const wxTreeItemId& item); |
| | 154 | virtual void DeleteAllItems(); |
| | 155 | |
| | 156 | virtual void Expand(const wxTreeItemId& item); |
| | 157 | virtual void Collapse(const wxTreeItemId& item); |
| | 158 | virtual void CollapseAndReset(const wxTreeItemId& item); |
| | 159 | virtual void Toggle(const wxTreeItemId& item); |
| | 160 | |
| | 161 | virtual void Unselect(); |
| | 162 | virtual void UnselectAll(); |
| | 163 | virtual void SelectItem(const wxTreeItemId& item, bool select = true); |
| | 164 | |
| | 165 | virtual void EnsureVisible(const wxTreeItemId& item); |
| | 166 | virtual void ScrollTo(const wxTreeItemId& item); |
| | 167 | |
| | 168 | virtual wxTextCtrl *EditLabel(const wxTreeItemId& item, |
| | 169 | wxClassInfo* textCtrlClass = CLASSINFO(wxTextCtrl)); |
| | 170 | virtual wxTextCtrl *GetEditControl() const; |
| | 171 | virtual void EndEditLabel(const wxTreeItemId& WXUNUSED(item), |
| | 172 | bool discardChanges = false) |
| | 173 | { |
| | 174 | DoEndEditLabel(discardChanges); |
| | 175 | } |
| | 176 | |
| | 177 | virtual void SortChildren(const wxTreeItemId& item); |
| | 178 | |
| | 179 | virtual bool GetBoundingRect(const wxTreeItemId& item, |
| | 180 | wxRect& rect, |
| | 181 | bool textOnly = false) const; |
| | 182 | |
| | 183 | // implementation |
| | 184 | // -------------- |
| | 185 | |
| | 186 | virtual wxVisualAttributes GetDefaultAttributes() const |
| | 187 | { |
| | 188 | return GetClassDefaultAttributes(GetWindowVariant()); |
| | 189 | } |
| | 190 | |
| | 191 | static wxVisualAttributes |
| | 192 | GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL); |
| | 193 | |
| | 194 | |
| | 195 | virtual WXLRESULT MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); |
| | 196 | virtual WXLRESULT MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam); |
| | 197 | virtual bool MSWCommand(WXUINT param, WXWORD id); |
| | 198 | virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result); |
| | 199 | virtual bool MSWShouldPreProcessMessage(WXMSG* msg); |
| | 200 | |
| | 201 | // override some base class virtuals |
| | 202 | virtual bool SetBackgroundColour(const wxColour &colour); |
| | 203 | virtual bool SetForegroundColour(const wxColour &colour); |
| | 204 | |
| | 205 | // get/set the check state for the item (only for wxTR_MULTIPLE) |
| | 206 | bool IsItemChecked(const wxTreeItemId& item) const; |
| | 207 | void SetItemCheck(const wxTreeItemId& item, bool check = true); |
| | 208 | |
| | 209 | // set/get the item state.image (state == -1 means cycle to the next one) |
| | 210 | void SetState(const wxTreeItemId& node, int state); |
| | 211 | int GetState(const wxTreeItemId& node); |
| | 212 | |
| | 213 | protected: |
| | 214 | // SetImageList helper |
| | 215 | void SetAnyImageList(wxImageList *imageList, int which); |
| | 216 | |
| | 217 | // refresh a single item |
| | 218 | void RefreshItem(const wxTreeItemId& item); |
| | 219 | |
| | 220 | // end edit label |
| | 221 | void DoEndEditLabel(bool discardChanges = false); |
| | 222 | |
| | 223 | virtual wxTreeItemId DoInsertItem(const wxTreeItemId& parent, |
| | 224 | size_t pos, |
| | 225 | const wxString& text, |
| | 226 | int image, int selectedImage, |
| | 227 | wxTreeItemData *data); |
| | 228 | virtual wxTreeItemId DoInsertAfter(const wxTreeItemId& parent, |
| | 229 | const wxTreeItemId& idPrevious, |
| | 230 | const wxString& text, |
| | 231 | int image = -1, int selImage = -1, |
| | 232 | wxTreeItemData *data = NULL); |
| | 233 | virtual wxTreeItemId DoTreeHitTest(const wxPoint& point, int& flags) const; |
| | 234 | |
| | 235 | // obtain the user data for the lParam member of TV_ITEM |
| | 236 | class wxTreeItemParam *GetItemParam(const wxTreeItemId& item) const; |
| | 237 | |
| | 238 | |
| | 239 | // data used only while editing the item label: |
| | 240 | wxTextCtrl *m_textCtrl; // text control in which it is edited |
| | 241 | wxTreeItemId m_idEdited; // the item being edited |
| | 242 | |
| | 243 | private: |
| | 244 | // the common part of all ctors |
| | 245 | void Init(); |
| | 246 | |
| | 247 | // helper functions |
| | 248 | bool DoGetItem(wxTreeViewItem *tvItem) const; |
| | 249 | void DoSetItem(wxTreeViewItem *tvItem); |
| | 250 | |
| | 251 | void DoExpand(const wxTreeItemId& item, int flag); |
| | 252 | |
| | 253 | void DeleteTextCtrl(); |
| | 254 | |
| | 255 | // return true if the item is the hidden root one (i.e. it's the root item |
| | 256 | // and the tree has wxTR_HIDE_ROOT style) |
| | 257 | bool IsHiddenRoot(const wxTreeItemId& item) const; |
| | 258 | |
| | 259 | |
| | 260 | // the hash storing the items attributes (indexed by item ids) |
| | 261 | wxMapTreeAttr m_attrs; |
| | 262 | |
| | 263 | // true if the hash above is not empty |
| | 264 | bool m_hasAnyAttr; |
| | 265 | |
| | 266 | #if wxUSE_DRAGIMAGE |
| | 267 | // used for dragging |
| | 268 | wxDragImage *m_dragImage; |
| | 269 | #endif |
| | 270 | |
| | 271 | // Virtual root item, if wxTR_HIDE_ROOT is set. |
| | 272 | void* m_pVirtualRoot; |
| | 273 | |
| | 274 | // the starting item for selection with Shift |
| | 275 | wxTreeItemId m_htSelStart, m_htClickedItem; |
| | 276 | wxPoint m_ptClick; |
| | 277 | |
| | 278 | friend class wxTreeItemIndirectData; |
| | 279 | friend class wxTreeSortHelper; |
| | 280 | |
| | 281 | DECLARE_DYNAMIC_CLASS(wxTreeCtrl) |
| | 282 | DECLARE_NO_COPY_CLASS(wxTreeCtrl) |
| | 283 | }; |
| | 284 | |
| | 285 | #endif // wxUSE_TREECTRL |
| | 286 | |
| | 287 | #endif // _WX_MSW_TREECTRL_H_ |
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