samples/treectrl/treectrl.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        treectrl.h
   3 // Purpose:     wxTreeCtrl sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #define USE_GENERIC_TREECTRL 0
  13
  14 #if USE_GENERIC_TREECTRL
  15 #include "wx/generic/treectlg.h"
  16 #ifndef wxTreeCtrl
  17 #define wxTreeCtrl wxGenericTreeCtrl
  18 #define sm_classwxTreeCtrl sm_classwxGenericTreeCtrl
  19 #endif
  20 #endif
  21
  22 // Define a new application type
  23 class MyApp : public wxApp
  24 {
  25 public:
  26     MyApp() { m_showImages = TRUE; }
  27
  28     bool OnInit();
  29
  30     void SetShowImages(bool show) { m_showImages = show; }
  31     bool ShowImages() const { return m_showImages; }
  32
  33 private:
  34     bool m_showImages;
  35 };
  36
  37 class MyTreeItemData : public wxTreeItemData
  38 {
  39 public:
  40     MyTreeItemData(const wxString& desc) : m_desc(desc) { }
  41
  42     void ShowInfo(wxTreeCtrl *tree);
  43     const char *GetDesc() const { return m_desc.c_str(); }
  44
  45 private:
  46     wxString m_desc;
  47 };
  48
  49 class MyTreeCtrl : public wxTreeCtrl
  50 {
  51 public:
  52     enum
  53     {
  54         TreeCtrlIcon_File,
  55         TreeCtrlIcon_FileSelected,
  56         TreeCtrlIcon_Folder,
  57         TreeCtrlIcon_FolderSelected,
  58         TreeCtrlIcon_FolderOpened
  59     };
  60
  61     MyTreeCtrl() { }
  62     MyTreeCtrl(wxWindow *parent, const wxWindowID id,
  63                const wxPoint& pos, const wxSize& size,
  64                long style);
  65     virtual ~MyTreeCtrl();
  66
  67     void OnBeginDrag(wxTreeEvent& event);
  68     void OnBeginRDrag(wxTreeEvent& event);
  69     void OnEndDrag(wxTreeEvent& event);
  70     void OnBeginLabelEdit(wxTreeEvent& event);
  71     void OnEndLabelEdit(wxTreeEvent& event);
  72     void OnDeleteItem(wxTreeEvent& event);
  73     void OnGetInfo(wxTreeEvent& event);
  74     void OnSetInfo(wxTreeEvent& event);
  75     void OnItemExpanded(wxTreeEvent& event);
  76     void OnItemExpanding(wxTreeEvent& event);
  77     void OnItemCollapsed(wxTreeEvent& event);
  78     void OnItemCollapsing(wxTreeEvent& event);
  79     void OnSelChanged(wxTreeEvent& event);
  80     void OnSelChanging(wxTreeEvent& event);
  81     void OnTreeKeyDown(wxTreeEvent& event);
  82     void OnItemActivated(wxTreeEvent& event);
  83     void OnRMouseDClick(wxMouseEvent& event);
  84
  85     void GetItemsRecursively(const wxTreeItemId& idParent, long cookie);
  86
  87     void CreateImageList(int size = 16);
  88
  89     void AddTestItemsToTree(size_t numChildren, size_t depth);
  90
  91     void DoSortChildren(const wxTreeItemId& item, bool reverse = FALSE)
  92         { m_reverseSort = reverse; wxTreeCtrl::SortChildren(item); }
  93     void DoEnsureVisible() { EnsureVisible(m_lastItem); }
  94
  95     void DoToggleIcon(const wxTreeItemId& item);
  96
  97 protected:
  98     virtual int OnCompareItems(const wxTreeItemId& i1, const wxTreeItemId& i2);
  99
 100     // is this the test item which we use in several event handlers?
 101     bool IsTestItem(const wxTreeItemId& item)
 102     {
 103         // the test item is the first child folder
 104         return GetParent(item) == GetRootItem() && !GetPrevSibling(item);
 105     }
 106
 107 private:
 108     void AddItemsRecursively(const wxTreeItemId& idParent,
 109                              size_t nChildren,
 110                              size_t depth,
 111                              size_t folder);
 112
 113     wxImageList *m_imageListNormal;
 114     bool         m_reverseSort;             // flag for OnCompareItems
 115     wxTreeItemId m_lastItem,                // for OnEnsureVisible()
 116                  m_draggedItem;             // item being dragged right now
 117
 118     // NB: due to an ugly wxMSW hack you _must_ use DECLARE_DYNAMIC_CLASS()
 119     //     if you want your overloaded OnCompareItems() to be called.
 120     //     OTOH, if you don't want it you may omit the next line - this will
 121     //     make default (alphabetical) sorting much faster under wxMSW.
 122     DECLARE_DYNAMIC_CLASS(MyTreeCtrl)
 123     DECLARE_EVENT_TABLE()
 124 };
 125
 126 // Define a new frame type
 127 class MyFrame: public wxFrame
 128 {
 129 public:
 130     // ctor and dtor
 131     MyFrame(const wxString& title, int x, int y, int w, int h);
 132     virtual ~MyFrame();
 133
 134     // menu callbacks
 135     void OnQuit(wxCommandEvent& event);
 136     void OnAbout(wxCommandEvent& event);
 137
 138     void OnDump(wxCommandEvent& event);
 139 #ifndef NO_MULTIPLE_SELECTION
 140     void OnDumpSelected(wxCommandEvent& event);
 141     void OnSelect(wxCommandEvent& event);
 142     void OnUnselect(wxCommandEvent& event);
 143     void OnToggleSel(wxCommandEvent& event);
 144 #endif // NO_MULTIPLE_SELECTION
 145     void OnDelete(wxCommandEvent& event);
 146     void OnDeleteChildren(wxCommandEvent& event);
 147     void OnDeleteAll(wxCommandEvent& event);
 148
 149     void OnRecreate(wxCommandEvent& event);
 150     void OnToggleImages(wxCommandEvent& event);
 151     void OnSetImageSize(wxCommandEvent& event);
 152     void OnCollapseAndReset(wxCommandEvent& event);
 153
 154     void OnSetBold(wxCommandEvent& WXUNUSED(event)) { DoSetBold(TRUE); }
 155     void OnClearBold(wxCommandEvent& WXUNUSED(event)) { DoSetBold(FALSE); }
 156
 157     void OnEnsureVisible(wxCommandEvent& event);
 158
 159     void OnCount(wxCommandEvent& event);
 160     void OnCountRec(wxCommandEvent& event);
 161
 162     void OnRename(wxCommandEvent& event);
 163     void OnSort(wxCommandEvent& event) { DoSort(); }
 164     void OnSortRev(wxCommandEvent& event) { DoSort(TRUE); }
 165
 166     void OnAddItem(wxCommandEvent& event);
 167     void OnInsertItem(wxCommandEvent& event);
 168
 169     void OnIncIndent(wxCommandEvent& event);
 170     void OnDecIndent(wxCommandEvent& event);
 171
 172     void OnIncSpacing(wxCommandEvent& event);
 173     void OnDecSpacing(wxCommandEvent& event);
 174
 175     void OnToggleIcon(wxCommandEvent& event);
 176
 177     void OnSize(wxSizeEvent& event);
 178
 179 private:
 180     void DoSort(bool reverse = FALSE);
 181
 182     void Resize(const wxSize& size);
 183
 184     MyTreeCtrl *m_treeCtrl;
 185     wxTextCtrl *m_textCtrl;
 186
 187     void DoSetBold(bool bold = TRUE);
 188
 189     DECLARE_EVENT_TABLE()
 190 };
 191
 192 // menu and control ids
 193 enum
 194 {
 195     TreeTest_Quit,
 196     TreeTest_About,
 197     TreeTest_Dump,
 198     TreeTest_DumpSelected,
 199     TreeTest_Count,
 200     TreeTest_CountRec,
 201     TreeTest_Sort,
 202     TreeTest_SortRev,
 203     TreeTest_Bold,
 204     TreeTest_UnBold,
 205     TreeTest_Rename,
 206     TreeTest_Delete,
 207     TreeTest_DeleteChildren,
 208     TreeTest_DeleteAll,
 209     TreeTest_Recreate,
 210     TreeTest_ToggleImages,
 211     TreeTest_SetImageSize,
 212     TreeTest_ToggleSel,
 213     TreeTest_CollapseAndReset,
 214     TreeTest_EnsureVisible,
 215     TreeTest_AddItem,
 216     TreeTest_InsertItem,
 217     TreeTest_IncIndent,
 218     TreeTest_DecIndent,
 219     TreeTest_IncSpacing,
 220     TreeTest_DecSpacing,
 221     TreeTest_ToggleIcon,
 222     TreeTest_Select,
 223     TreeTest_Unselect,
 224     TreeTest_Ctrl = 1000
 225 };