samples/regtest/regtest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        regtest.cpp
   3 // Purpose:     wxRegKey class demo
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     03.04.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19 #include "wx/wxprec.h"
  20
  21 #ifdef  __BORLANDC__
  22 #   pragma hdrstop
  23 #endif
  24
  25 #ifndef WX_PRECOMP
  26 #   include "wx/wx.h"
  27 #endif
  28
  29 #include "wx/treectrl.h"
  30 #include "wx/config.h"
  31 #include "wx/imaglist.h"
  32 #include "wx/tokenzr.h"
  33
  34 #if wxUSE_CONFIG_NATIVE && defined( __WXMSW__ )
  35 #   define DO_REGTEST 1
  36 #else
  37 #   define DO_REGTEST 0
  38 #endif
  39
  40 // ----------------------------------------------------------------------------
  41 // application type
  42 // ----------------------------------------------------------------------------
  43 class RegApp : public wxApp
  44 {
  45 public:
  46     bool OnInit();
  47 };
  48
  49 // ----------------------------------------------------------------------------
  50 // image list with registry icons
  51 // ----------------------------------------------------------------------------
  52 class RegImageList : public wxImageList
  53 {
  54 public:
  55     enum Icon
  56     {
  57         Root,
  58         ClosedKey,
  59         OpenedKey,
  60         TextValue,
  61         BinaryValue
  62     };
  63
  64     RegImageList();
  65 };
  66
  67 #if DO_REGTEST
  68
  69 // ----------------------------------------------------------------------------
  70 // our control
  71 // ----------------------------------------------------------------------------
  72 class RegTreeCtrl : public wxTreeCtrl
  73 {
  74 public:
  75     // ctor & dtor
  76     RegTreeCtrl(wxWindow *parent, wxWindowID id);
  77     virtual ~RegTreeCtrl();
  78
  79     // notifications
  80     void OnDeleteItem    (wxTreeEvent& event);
  81     void OnItemExpanding (wxTreeEvent& event);
  82     void OnSelChanged    (wxTreeEvent& event);
  83
  84     void OnBeginEdit     (wxTreeEvent& event);
  85     void OnEndEdit       (wxTreeEvent& event);
  86
  87     void OnBeginDrag     (wxTreeEvent& event);
  88     void OnEndDrag       (wxTreeEvent& event);
  89
  90     void OnRightClick    (wxMouseEvent& event);
  91     void OnChar          (wxKeyEvent& event);
  92     void OnIdle          (wxIdleEvent& event);
  93
  94     // forwarded notifications (by the frame)
  95     void OnMenuTest();
  96
  97     // operations
  98     void GoTo(const wxString& location);
  99     void DoRefresh();
 100     void DeleteSelected();
 101     void ShowProperties();
 102     void CreateNewKey(const wxString& strName);
 103     void CreateNewTextValue(const wxString& strName);
 104     void CreateNewBinaryValue(const wxString& strName);
 105
 106     // information
 107     bool IsKeySelected() const;
 108
 109 private:
 110     // structure describing a registry key/value
 111     class TreeNode : public wxTreeItemData
 112     {
 113         WX_DEFINE_ARRAY_PTR(TreeNode *, TreeChildren);
 114     public:
 115         RegTreeCtrl  *m_pTree;     // must be !NULL
 116         TreeNode     *m_pParent;    // NULL only for the root node
 117         wxTreeItemId  m_id;         // the id of the tree control item
 118         wxString      m_strName;    // name of the key/value
 119         TreeChildren  m_aChildren;  // array of subkeys/values
 120         bool          m_bKey;       // key or value?
 121         wxRegKey     *m_pKey;       // only may be !NULL if m_bKey == true
 122
 123         // trivial accessors
 124         wxTreeItemId  Id()     const { return m_id;              }
 125         bool          IsRoot() const { return m_pParent == NULL; }
 126         bool          IsKey()  const { return m_bKey;            }
 127         TreeNode     *Parent() const { return m_pParent;         }
 128
 129         // notifications
 130         bool OnExpand();
 131         void OnCollapse();
 132
 133         // operations
 134         void Refresh();
 135         bool DeleteChild(TreeNode *child);
 136         void DestroyChildren();
 137         const wxChar *FullName() const;
 138
 139         // get the associated key: make sure the pointer is !NULL
 140         wxRegKey& Key() { if ( !m_pKey ) OnExpand(); return *m_pKey; }
 141
 142         // dtor deletes all children
 143         ~TreeNode();
 144     };
 145
 146     wxImageList *m_imageList;
 147     wxMenu      *m_pMenuPopup;
 148
 149     TreeNode    *m_pRoot;
 150
 151     TreeNode    *m_draggedItem;       // the item being dragged
 152     bool         m_copyOnDrop;        // if false, then move
 153
 154     bool         m_restoreStatus;     // after OnItemExpanding()
 155
 156     wxString     m_nameOld;           // the initial value of item being renamed
 157
 158     TreeNode *GetNode(const wxTreeEvent& event)
 159         { return (TreeNode *)GetItemData(event.GetItem()); }
 160
 161 public:
 162     // create a new node and insert it to the tree
 163     TreeNode *InsertNewTreeNode(TreeNode *pParent,
 164         const wxString& strName,
 165         int idImage = RegImageList::ClosedKey,
 166         const wxString *pstrValue = NULL);
 167
 168     // add standard registry keys
 169     void AddStdKeys();
 170
 171 private:
 172     DECLARE_EVENT_TABLE()
 173 };
 174
 175 #endif // #if DO_REGTEST
 176
 177 // ----------------------------------------------------------------------------
 178 // the main window of our application
 179 // ----------------------------------------------------------------------------
 180 class RegFrame : public wxFrame
 181 {
 182 public:
 183     // ctor & dtor
 184     RegFrame(wxFrame *parent, wxChar *title, int x, int y, int w, int h);
 185     virtual ~RegFrame();
 186
 187     // callbacks
 188     void OnQuit (wxCommandEvent& event);
 189     void OnAbout(wxCommandEvent& event);
 190     void OnTest (wxCommandEvent& event);
 191
 192     void OnGoTo (wxCommandEvent& event);
 193
 194     void OnExpand  (wxCommandEvent& event);
 195     void OnCollapse(wxCommandEvent& event);
 196     void OnToggle  (wxCommandEvent& event);
 197     void OnRefresh (wxCommandEvent& event);
 198
 199     void OnDelete   (wxCommandEvent& event);
 200     void OnNewKey   (wxCommandEvent& event);
 201     void OnNewText  (wxCommandEvent& event);
 202     void OnNewBinary(wxCommandEvent& event);
 203
 204     void OnInfo     (wxCommandEvent& event);
 205
 206     DECLARE_EVENT_TABLE()
 207
 208 private:
 209
 210 #if DO_REGTEST
 211     RegTreeCtrl *m_treeCtrl;
 212 #endif
 213 };
 214
 215 // ----------------------------------------------------------------------------
 216 // various ids
 217 // ----------------------------------------------------------------------------
 218
 219 enum
 220 {
 221     Menu_Quit     = 100,
 222     Menu_About,
 223     Menu_Test,
 224     Menu_GoTo,
 225     Menu_Expand,
 226     Menu_Collapse,
 227     Menu_Toggle,
 228     Menu_Refresh,
 229     Menu_New,
 230     Menu_NewKey,
 231     Menu_NewText,
 232     Menu_NewBinary,
 233     Menu_Delete,
 234     Menu_Info,
 235
 236     Ctrl_RegTree  = 200,
 237 };
 238
 239 // ----------------------------------------------------------------------------
 240 // event tables
 241 // ----------------------------------------------------------------------------
 242
 243 BEGIN_EVENT_TABLE(RegFrame, wxFrame)
 244     EVT_MENU(Menu_Test,     RegFrame::OnTest)
 245     EVT_MENU(Menu_About,    RegFrame::OnAbout)
 246     EVT_MENU(Menu_Quit,     RegFrame::OnQuit)
 247     EVT_MENU(Menu_GoTo,     RegFrame::OnGoTo)
 248     EVT_MENU(Menu_Expand,   RegFrame::OnExpand)
 249     EVT_MENU(Menu_Collapse, RegFrame::OnCollapse)
 250     EVT_MENU(Menu_Toggle,   RegFrame::OnToggle)
 251     EVT_MENU(Menu_Refresh,  RegFrame::OnRefresh)
 252     EVT_MENU(Menu_Delete,   RegFrame::OnDelete)
 253     EVT_MENU(Menu_NewKey,   RegFrame::OnNewKey)
 254     EVT_MENU(Menu_NewText,  RegFrame::OnNewText)
 255     EVT_MENU(Menu_NewBinary,RegFrame::OnNewBinary)
 256     EVT_MENU(Menu_Info,     RegFrame::OnInfo)
 257 END_EVENT_TABLE()
 258
 259 #if DO_REGTEST
 260
 261 BEGIN_EVENT_TABLE(RegTreeCtrl, wxTreeCtrl)
 262     EVT_TREE_DELETE_ITEM   (Ctrl_RegTree, RegTreeCtrl::OnDeleteItem)
 263     EVT_TREE_ITEM_EXPANDING(Ctrl_RegTree, RegTreeCtrl::OnItemExpanding)
 264     EVT_TREE_SEL_CHANGED   (Ctrl_RegTree, RegTreeCtrl::OnSelChanged)
 265
 266     EVT_TREE_BEGIN_LABEL_EDIT(Ctrl_RegTree, RegTreeCtrl::OnBeginEdit)
 267     EVT_TREE_END_LABEL_EDIT  (Ctrl_RegTree, RegTreeCtrl::OnEndEdit)
 268
 269     EVT_TREE_BEGIN_DRAG    (Ctrl_RegTree, RegTreeCtrl::OnBeginDrag)
 270     EVT_TREE_BEGIN_RDRAG   (Ctrl_RegTree, RegTreeCtrl::OnBeginDrag)
 271     EVT_TREE_END_DRAG      (Ctrl_RegTree, RegTreeCtrl::OnEndDrag)
 272
 273     EVT_CHAR      (RegTreeCtrl::OnChar)
 274     EVT_RIGHT_DOWN(RegTreeCtrl::OnRightClick)
 275     EVT_IDLE      (RegTreeCtrl::OnIdle)
 276 END_EVENT_TABLE()
 277
 278 #endif
 279
 280 // ============================================================================
 281 // implementation
 282 // ============================================================================
 283
 284 // ----------------------------------------------------------------------------
 285 // global functions
 286 // ----------------------------------------------------------------------------
 287
 288 // create the "registry operations" menu
 289 wxMenu *CreateRegistryMenu()
 290 {
 291     wxMenu *pMenuNew = new wxMenu;
 292     pMenuNew->Append(Menu_NewKey,    _T("&Key"),          _T("Create a new key"));
 293     pMenuNew->AppendSeparator();
 294     pMenuNew->Append(Menu_NewText,   _T("&Text value"),   _T("Create a new text value"));
 295     pMenuNew->Append(Menu_NewBinary, _T("&Binary value"), _T("Create a new binary value"));
 296
 297     wxMenu *pMenuReg = new wxMenu;
 298     pMenuReg->Append(Menu_New, _T("&New"), pMenuNew);
 299     pMenuReg->Append(Menu_Delete,   _T("&Delete..."), _T("Delete selected key/value"));
 300     pMenuReg->AppendSeparator();
 301     pMenuReg->Append(Menu_GoTo,     _T("&Go to...\tCtrl-G"),    _T("Go to registry key"));
 302     pMenuReg->Append(Menu_Expand,   _T("&Expand"),    _T("Expand current key"));
 303     pMenuReg->Append(Menu_Collapse, _T("&Collapse"),  _T("Collapse current key"));
 304     pMenuReg->Append(Menu_Toggle,   _T("&Toggle"),    _T("Toggle current key"));
 305     pMenuReg->AppendSeparator();
 306     pMenuReg->Append(Menu_Refresh,  _T("&Refresh"),   _T("Refresh the subtree"));
 307     pMenuReg->AppendSeparator();
 308     pMenuReg->Append(Menu_Info,     _T("&Properties"),_T("Information about current selection"));
 309
 310     return pMenuReg;
 311 }
 312
 313 // ----------------------------------------------------------------------------
 314 // application class
 315 // ----------------------------------------------------------------------------
 316 IMPLEMENT_APP(RegApp)
 317
 318 // `Main program' equivalent, creating windows and returning main app frame
 319 bool RegApp::OnInit()
 320 {
 321     // create the main frame window and show it
 322     RegFrame *frame = new RegFrame(NULL, _T("wxRegTest"), 50, 50, 600, 350);
 323     frame->Show(true);
 324
 325     SetTopWindow(frame);
 326
 327     return true;
 328 }
 329
 330 // ----------------------------------------------------------------------------
 331 // RegFrame
 332 // ----------------------------------------------------------------------------
 333
 334 RegFrame::RegFrame(wxFrame *parent, wxChar *title, int x, int y, int w, int h)
 335         : wxFrame(parent, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 336 {
 337     // this reduces flicker effects
 338     SetBackgroundColour(wxColour(255, 255, 255));
 339
 340     // set the icon
 341     // ------------
 342     SetIcon(wxIcon(_T("app_icon")));
 343
 344     // create menu
 345     // -----------
 346     wxMenu *pMenuFile = new wxMenu;
 347     pMenuFile->Append(Menu_Test, _T("Te&st"), _T("Test key creation"));
 348     pMenuFile->AppendSeparator();
 349     pMenuFile->Append(Menu_About, _T("&About..."), _T("Show an extraordinarly beautiful dialog"));
 350     pMenuFile->AppendSeparator();
 351     pMenuFile->Append(Menu_Quit,  _T("E&xit"), _T("Quit this program"));
 352
 353     wxMenuBar *pMenu = new wxMenuBar;
 354     pMenu->Append(pMenuFile, _T("&File"));
 355     pMenu->Append(CreateRegistryMenu(),  _T("&Registry"));
 356     SetMenuBar(pMenu);
 357
 358 #if DO_REGTEST
 359     // create child controls
 360     // ---------------------
 361     m_treeCtrl = new RegTreeCtrl(this, Ctrl_RegTree);
 362 #endif
 363
 364 #if wxUSE_STATUSBAR
 365     // create the status line
 366     // ----------------------
 367     CreateStatusBar(2);
 368 #endif // wxUSE_STATUSBAR
 369 }
 370
 371 RegFrame::~RegFrame()
 372 {
 373 #if DO_REGTEST
 374     // this makes deletion of it *much* quicker
 375     m_treeCtrl->Hide();
 376 #endif
 377 }
 378
 379 void RegFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 380 {
 381     Close(true);
 382 }
 383
 384 void RegFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 385 {
 386     wxMessageDialog dialog(this,
 387         _T("wxRegistry sample\n")
 388         _T("(c) 1998, 2000 Vadim Zeitlin"),
 389         _T("About wxRegTest"), wxOK);
 390
 391     dialog.ShowModal();
 392 }
 393
 394 void RegFrame::OnTest(wxCommandEvent& WXUNUSED(event))
 395 {
 396 #if DO_REGTEST
 397     m_treeCtrl->OnMenuTest();
 398 #endif
 399 }
 400
 401 void RegFrame::OnGoTo(wxCommandEvent& WXUNUSED(event))
 402 {
 403     static wxString s_location = _T("HKEY_CURRENT_USER\\Software\\wxWidgets");
 404
 405     wxString location = wxGetTextFromUser(
 406         _T("Enter the location to go to:"),
 407         _T("wxRegTest question"),
 408         s_location,
 409         this);
 410
 411     if ( !location )
 412         return;
 413
 414     s_location = location;
 415 #if DO_REGTEST
 416     m_treeCtrl->GoTo(location);
 417 #endif
 418 }
 419
 420 void RegFrame::OnExpand(wxCommandEvent& WXUNUSED(event))
 421 {
 422 #if DO_REGTEST
 423     m_treeCtrl->Expand(m_treeCtrl->GetSelection());
 424 #endif
 425 }
 426
 427 void RegFrame::OnCollapse(wxCommandEvent& WXUNUSED(event))
 428 {
 429 #if DO_REGTEST
 430     m_treeCtrl->Collapse(m_treeCtrl->GetSelection());
 431 #endif
 432 }
 433
 434 void RegFrame::OnToggle(wxCommandEvent& WXUNUSED(event))
 435 {
 436 #if DO_REGTEST
 437     m_treeCtrl->Toggle(m_treeCtrl->GetSelection());
 438 #endif
 439 }
 440
 441 void RegFrame::OnRefresh(wxCommandEvent& WXUNUSED(event))
 442 {
 443 #if DO_REGTEST
 444     m_treeCtrl->DoRefresh();
 445 #endif
 446 }
 447
 448 void RegFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
 449 {
 450 #if DO_REGTEST
 451     m_treeCtrl->DeleteSelected();
 452 #endif
 453 }
 454
 455 void RegFrame::OnNewKey(wxCommandEvent& WXUNUSED(event))
 456 {
 457 #if DO_REGTEST
 458     if ( m_treeCtrl->IsKeySelected() )
 459     {
 460         m_treeCtrl->CreateNewKey(
 461             wxGetTextFromUser(_T("Enter the name of the new key")));
 462     }
 463 #endif
 464 }
 465
 466 void RegFrame::OnNewText(wxCommandEvent& WXUNUSED(event))
 467 {
 468 #if DO_REGTEST
 469     if ( m_treeCtrl->IsKeySelected() )
 470     {
 471         m_treeCtrl->CreateNewTextValue(
 472             wxGetTextFromUser(_T("Enter the name for the new text value")));
 473     }
 474 #endif
 475 }
 476
 477 void RegFrame::OnNewBinary(wxCommandEvent& WXUNUSED(event))
 478 {
 479 #if DO_REGTEST
 480     if ( m_treeCtrl->IsKeySelected() )
 481     {
 482         m_treeCtrl->CreateNewBinaryValue(
 483             wxGetTextFromUser(_T("Enter the name for the new binary value")));
 484     }
 485 #endif
 486 }
 487
 488 void RegFrame::OnInfo(wxCommandEvent& WXUNUSED(event))
 489 {
 490 #if DO_REGTEST
 491     m_treeCtrl->ShowProperties();
 492 #endif
 493 }
 494
 495 // ----------------------------------------------------------------------------
 496 // RegImageList
 497 // ----------------------------------------------------------------------------
 498 RegImageList::RegImageList() : wxImageList(16, 16, true)
 499 {
 500     // should be in sync with enum RegImageList::RegIcon
 501     static const wxChar *aszIcons[] = { _T("key1"),_T("key2"),_T("key3"),_T("value1"),_T("value2") };
 502     wxString str = _T("icon_");
 503     for ( unsigned int n = 0; n < WXSIZEOF(aszIcons); n++ )
 504     {
 505         Add(wxIcon(str + aszIcons[n], wxBITMAP_TYPE_ICO_RESOURCE));
 506     }
 507 }
 508
 509 #if DO_REGTEST
 510
 511 // ----------------------------------------------------------------------------
 512 // RegTreeCtrl
 513 // ----------------------------------------------------------------------------
 514
 515 // create a new tree item and insert it into the tree
 516 RegTreeCtrl::TreeNode *RegTreeCtrl::InsertNewTreeNode(TreeNode *pParent,
 517                                                       const wxString& strName,
 518                                                       int idImage,
 519                                                       const wxString *pstrValue)
 520 {
 521     // create new item & insert it
 522     TreeNode *pNewNode = new TreeNode;
 523     pNewNode->m_pTree  = this;
 524     pNewNode->m_pParent = pParent;
 525     pNewNode->m_strName = strName;
 526     pNewNode->m_bKey    = pstrValue == NULL;
 527     pNewNode->m_pKey    = NULL;
 528     if (pParent)
 529     {
 530         pNewNode->m_id  = AppendItem(pParent->Id(),
 531             pNewNode->IsKey() ? strName : *pstrValue,
 532             idImage);
 533     }
 534     else
 535     {
 536         pNewNode->m_id  = AddRoot(strName);
 537     }
 538
 539     wxASSERT_MSG( pNewNode->m_id, wxT("can't create tree control item!"));
 540
 541     // save the pointer in the item
 542     SetItemData(pNewNode->m_id, pNewNode);
 543
 544     // add it to the list of parent's children
 545     if ( pParent != NULL )
 546     {
 547         pParent->m_aChildren.Add(pNewNode);
 548     }
 549
 550     if ( pNewNode->IsKey() )
 551     {
 552         SetItemHasChildren(pNewNode->Id());
 553
 554         if ( !pNewNode->IsRoot() )
 555         {
 556             // set the expanded icon as well
 557             SetItemImage(pNewNode->Id(),
 558                 RegImageList::OpenedKey,
 559                 wxTreeItemIcon_Expanded);
 560         }
 561     }
 562
 563     return pNewNode;
 564 }
 565
 566 RegTreeCtrl::RegTreeCtrl(wxWindow *parent, wxWindowID id)
 567     : wxTreeCtrl(parent, id, wxDefaultPosition, wxDefaultSize,
 568         wxTR_HAS_BUTTONS | wxTR_EDIT_LABELS | wxSUNKEN_BORDER)
 569 {
 570     // init members
 571     m_draggedItem = NULL;
 572     m_restoreStatus = false;
 573
 574     // create the image list
 575     // ---------------------
 576     m_imageList = new RegImageList;
 577     SetImageList(m_imageList);
 578
 579     // create root keys
 580     // ----------------
 581     m_pRoot = InsertNewTreeNode(NULL, _T("Registry Root"), RegImageList::Root);
 582
 583     // create popup menu
 584     // -----------------
 585     m_pMenuPopup = CreateRegistryMenu();
 586 }
 587
 588 RegTreeCtrl::~RegTreeCtrl()
 589 {
 590     delete m_pMenuPopup;
 591     // delete m_pRoot; -- this is done by the tree now
 592     delete m_imageList;
 593 }
 594
 595 void RegTreeCtrl::AddStdKeys()
 596 {
 597     for ( unsigned int ui = 0; ui < wxRegKey::nStdKeys; ui++ )
 598     {
 599         InsertNewTreeNode(m_pRoot, wxRegKey::GetStdKeyName(ui));
 600     }
 601 }
 602
 603 // ----------------------------------------------------------------------------
 604 // notifications
 605 // ----------------------------------------------------------------------------
 606
 607 void RegTreeCtrl::OnIdle(wxIdleEvent& WXUNUSED(event))
 608 {
 609     if ( m_restoreStatus )
 610     {
 611         // restore it after OnItemExpanding()
 612         wxLogStatus(wxT("Ok"));
 613         wxSetCursor(*wxSTANDARD_CURSOR);
 614
 615         m_restoreStatus = false;
 616     }
 617 }
 618
 619 void RegTreeCtrl::OnRightClick(wxMouseEvent& event)
 620 {
 621     int iFlags;
 622     wxTreeItemId lId = HitTest(wxPoint(event.GetX(), event.GetY()), iFlags);
 623     if ( iFlags & wxTREE_HITTEST_ONITEMLABEL )
 624     {
 625         // select the item first
 626         SelectItem(lId);
 627     }
 628     //else: take the currently selected item if click not on item
 629
 630     PopupMenu(m_pMenuPopup, event.GetX(), event.GetY());
 631 }
 632
 633
 634 void RegTreeCtrl::OnDeleteItem(wxTreeEvent& WXUNUSED(event))
 635 {
 636 }
 637
 638 // test the key creation functions
 639 void RegTreeCtrl::OnMenuTest()
 640 {
 641     wxTreeItemId lId = GetSelection();
 642     TreeNode *pNode = (TreeNode *)GetItemData(lId);
 643
 644     wxCHECK_RET( pNode != NULL, wxT("tree item without data?") );
 645
 646     if ( pNode->IsRoot() )
 647     {
 648         wxLogError(wxT("Can't create a subkey under the root key."));
 649         return;
 650     }
 651
 652     if ( !pNode->IsKey() )
 653     {
 654         wxLogError(wxT("Can't create a subkey under a value!"));
 655         return;
 656     }
 657
 658     wxRegKey key1(pNode->Key(), _T("key1"));
 659     if ( key1.Create() )
 660     {
 661         wxRegKey key2a(key1, _T("key2a")), key2b(key1, _T("key2b"));
 662         if ( key2a.Create() && key2b.Create() )
 663         {
 664             // put some values under the newly created keys
 665             key1.SetValue(wxT("first_term"), _T("10"));
 666             key1.SetValue(wxT("second_term"), _T("7"));
 667             key2a = _T("this is the unnamed value");
 668             key2b.SetValue(wxT("sum"), 17);
 669
 670             // refresh tree
 671             pNode->Refresh();
 672             wxLogStatus(wxT("Test keys successfully added."));
 673             return;
 674         }
 675     }
 676
 677     wxLogError(wxT("Creation of test keys failed."));
 678 }
 679
 680 void RegTreeCtrl::OnChar(wxKeyEvent& event)
 681 {
 682     switch ( event.GetKeyCode() )
 683     {
 684     case WXK_DELETE:
 685         DeleteSelected();
 686         return;
 687
 688     case WXK_RETURN:
 689         if ( event.AltDown() )
 690         {
 691             ShowProperties();
 692
 693             return;
 694         }
 695     }
 696
 697     event.Skip();
 698 }
 699
 700 void RegTreeCtrl::OnSelChanged(wxTreeEvent& event)
 701 {
 702 #if wxUSE_STATUSBAR
 703     wxFrame *pFrame = (wxFrame *) wxWindow::GetParent();
 704     pFrame->SetStatusText(GetNode(event)->FullName(), 1);
 705 #else
 706     wxUnusedVar(event);
 707 #endif // wxUSE_STATUSBAR
 708 }
 709
 710 void RegTreeCtrl::OnItemExpanding(wxTreeEvent& event)
 711 {
 712     TreeNode *pNode = GetNode(event);
 713     bool bExpanding = event.GetKeyCode() == wxTREE_EXPAND_EXPAND;
 714
 715     // expansion might take some time
 716     wxSetCursor(*wxHOURGLASS_CURSOR);
 717     wxLogStatus(wxT("Working..."));
 718     wxYield();  // to give the status line a chance to refresh itself
 719     m_restoreStatus = true;   // some time later...
 720
 721     if ( pNode->IsKey() )
 722     {
 723         if ( bExpanding )
 724         {
 725             // expanding: add subkeys/values
 726             if ( !pNode->OnExpand() )
 727                 return;
 728         }
 729         else
 730         {
 731             // collapsing: clean up
 732             pNode->OnCollapse();
 733         }
 734     }
 735 }
 736
 737 void RegTreeCtrl::OnBeginEdit(wxTreeEvent& event)
 738 {
 739     TreeNode *pNode = GetNode(event);
 740     if ( pNode->IsRoot() || pNode->Parent()->IsRoot() )
 741     {
 742         wxLogStatus(_T("This registry key can't be renamed."));
 743
 744         event.Veto();
 745     }
 746     else
 747     {
 748         m_nameOld = pNode->m_strName;
 749     }
 750 }
 751
 752 void RegTreeCtrl::OnEndEdit(wxTreeEvent& event)
 753 {
 754     bool ok;
 755
 756     wxString name = event.GetLabel();
 757
 758     TreeNode *pNode = GetNode(event);
 759     if ( pNode->IsKey() )
 760     {
 761         wxRegKey& key = pNode->Key();
 762         ok = key.Rename(name);
 763     }
 764     else
 765     {
 766         pNode = pNode->Parent();
 767         wxRegKey& key = pNode->Key();
 768
 769         ok = key.RenameValue(m_nameOld, name);
 770     }
 771
 772     if ( !ok )
 773     {
 774         wxLogError(_T("Failed to rename '%s' to '%s'."),
 775             m_nameOld.c_str(), name.c_str());
 776     }
 777 #if 0   // MSW tree ctrl doesn't like this at all, it hangs
 778     else
 779     {
 780         pNode->Refresh();
 781     }
 782 #endif // 0
 783 }
 784
 785 void RegTreeCtrl::OnBeginDrag(wxTreeEvent& event)
 786 {
 787     m_copyOnDrop = event.GetEventType() == wxEVT_COMMAND_TREE_BEGIN_DRAG;
 788
 789     TreeNode *pNode = GetNode(event);
 790     if ( pNode->IsRoot() || pNode->Parent()->IsRoot() )
 791     {
 792         wxLogStatus(wxT("This registry key can't be %s."),
 793             m_copyOnDrop ? wxT("copied") : wxT("moved"));
 794     }
 795     else
 796     {
 797         wxLogStatus(wxT("%s item %s..."),
 798             m_copyOnDrop ? wxT("Copying") : wxT("Moving"),
 799             pNode->FullName());
 800
 801         m_draggedItem = pNode;
 802
 803         event.Allow();
 804     }
 805 }
 806
 807 void RegTreeCtrl::OnEndDrag(wxTreeEvent& event)
 808 {
 809     wxCHECK_RET( m_draggedItem, wxT("end drag without begin drag?") );
 810
 811     // clear the pointer anyhow
 812     TreeNode *src = m_draggedItem;
 813     m_draggedItem = NULL;
 814
 815     // where are we going to drop it?
 816     TreeNode *dst = GetNode(event);
 817     if ( dst && !dst->IsKey() )
 818     {
 819         // we need a parent key
 820         dst = dst->Parent();
 821     }
 822
 823     if ( !dst || dst->IsRoot() )
 824     {
 825         wxLogError(wxT("Can't create a key here."));
 826
 827         return;
 828     }
 829
 830     bool isKey = src->IsKey();
 831     if ( (isKey && (src == dst)) ||
 832          (!isKey && (dst->Parent() == src)) ) {
 833         wxLogStatus(wxT("Can't copy something on itself"));
 834
 835         return;
 836     }
 837
 838     // remove the "Registry Root\\" from the full name
 839     wxString nameSrc, nameDst;
 840     nameSrc << wxString(src->FullName()).AfterFirst('\\');
 841     nameDst << wxString(dst->FullName()).AfterFirst('\\') << '\\'
 842             << wxString(src->FullName()).AfterLast('\\');
 843
 844     wxString verb = m_copyOnDrop ? _T("copy") : _T("move");
 845     wxString what = isKey ? _T("key") : _T("value");
 846
 847     if ( wxMessageBox(wxString::Format
 848                         (
 849                          wxT("Do you really want to %s the %s %s to %s?"),
 850                          verb.c_str(),
 851                          what.c_str(),
 852                          nameSrc.c_str(),
 853                          nameDst.c_str()
 854                         ),
 855                       _T("RegTest Confirm"),
 856                       wxICON_QUESTION | wxYES_NO | wxCANCEL, this) != wxYES ) {
 857       return;
 858     }
 859
 860     bool ok;
 861     if ( isKey )
 862     {
 863         wxRegKey& key = src->Key();
 864         wxRegKey keyDst(dst->Key(), src->m_strName);
 865         ok = keyDst.Create(false);
 866         if ( !ok )
 867         {
 868             wxLogError(wxT("Key '%s' already exists"), keyDst.GetName().c_str());
 869         }
 870         else
 871         {
 872             ok = key.Copy(keyDst);
 873         }
 874
 875         if ( ok && !m_copyOnDrop )
 876         {
 877             // delete the old key
 878             ok = key.DeleteSelf();
 879             if ( ok )
 880             {
 881                 src->Parent()->Refresh();
 882             }
 883         }
 884     }
 885     else // value
 886     {
 887         wxRegKey& key = src->Parent()->Key();
 888         ok = key.CopyValue(src->m_strName, dst->Key());
 889         if ( ok && !m_copyOnDrop )
 890         {
 891             // we moved it, so delete the old one
 892             ok = key.DeleteValue(src->m_strName);
 893         }
 894     }
 895
 896     if ( !ok )
 897     {
 898         wxLogError(wxT("Failed to %s registry %s."),
 899                    verb.c_str(), what.c_str());
 900     }
 901     else
 902     {
 903         dst->Refresh();
 904     }
 905 }
 906
 907 // ----------------------------------------------------------------------------
 908 // TreeNode implementation
 909 // ----------------------------------------------------------------------------
 910 bool RegTreeCtrl::TreeNode::OnExpand()
 911 {
 912     // we add children only once
 913     if ( !m_aChildren.IsEmpty() )
 914     {
 915         // we've been already expanded
 916         return true;
 917     }
 918
 919     if ( IsRoot() )
 920     {
 921         // we're the root key
 922         m_pTree->AddStdKeys();
 923         return true;
 924     }
 925
 926     if ( Parent()->IsRoot() )
 927     {
 928         // we're a standard key
 929         m_pKey = new wxRegKey(m_strName);
 930     }
 931     else
 932     {
 933         // we're a normal key
 934         m_pKey = new wxRegKey(*(Parent()->m_pKey), m_strName);
 935     }
 936
 937     if ( !m_pKey->Open() )
 938     {
 939         wxLogError(wxT("The key '%s' can't be opened."), FullName());
 940         return false;
 941     }
 942
 943     // if we're empty, we shouldn't be expandable at all
 944     bool isEmpty = true;
 945
 946     // enumeration variables
 947     long l;
 948     wxString str;
 949     bool bCont;
 950
 951     // enumerate all subkeys
 952     bCont = m_pKey->GetFirstKey(str, l);
 953     while ( bCont )
 954     {
 955         m_pTree->InsertNewTreeNode(this, str, RegImageList::ClosedKey);
 956         bCont = m_pKey->GetNextKey(str, l);
 957
 958         // we have at least this key...
 959         isEmpty = false;
 960     }
 961
 962     // enumerate all values
 963     bCont = m_pKey->GetFirstValue(str, l);
 964     while ( bCont )
 965     {
 966         wxString strItem;
 967         if (str.empty())
 968             strItem = _T("<default>");
 969         else
 970             strItem = str;
 971         strItem += _T(" = ");
 972
 973         // determine the appropriate icon
 974         RegImageList::Icon icon;
 975         switch ( m_pKey->GetValueType(str) )
 976         {
 977         case wxRegKey::Type_String:
 978         case wxRegKey::Type_Expand_String:
 979         case wxRegKey::Type_Multi_String:
 980         {
 981             wxString strValue;
 982             icon = RegImageList::TextValue;
 983             m_pKey->QueryValue(str, strValue);
 984             strItem += strValue;
 985         }
 986         break;
 987
 988         case wxRegKey::Type_None:
 989             // @@ handle the error...
 990             icon = RegImageList::BinaryValue;
 991             break;
 992
 993         case wxRegKey::Type_Dword:
 994         {
 995             long l;
 996             m_pKey->QueryValue(str, &l);
 997             strItem << l;
 998         }
 999
1000         // fall through
1001
1002         default:
1003             icon = RegImageList::BinaryValue;
1004         }
1005
1006         m_pTree->InsertNewTreeNode(this, str, icon, &strItem);
1007         bCont = m_pKey->GetNextValue(str, l);
1008
1009         // we have at least this value...
1010         isEmpty = false;
1011     }
1012
1013     if ( isEmpty )
1014     {
1015         // this is for the case when our last child was just deleted
1016         wxTreeItemId theId(Id()); // Temp variable seems necessary for BC++
1017         m_pTree->Collapse(theId);
1018
1019         // we won't be expanded any more
1020         m_pTree->SetItemHasChildren(theId, false);
1021     }
1022
1023     return true;
1024 }
1025
1026 void RegTreeCtrl::TreeNode::OnCollapse()
1027 {
1028     DestroyChildren();
1029
1030     delete m_pKey;
1031     m_pKey = NULL;
1032 }
1033
1034 void RegTreeCtrl::TreeNode::Refresh()
1035 {
1036     if ( !IsKey() )
1037         return;
1038
1039     wxTreeItemId theId(Id()); // Temp variable seems necessary for BC++
1040     bool wasExpanded = m_pTree->IsExpanded(theId);
1041     if ( wasExpanded )
1042         m_pTree->Collapse(theId);
1043
1044     OnCollapse();
1045     m_pTree->SetItemHasChildren(theId);
1046     if ( wasExpanded )
1047     {
1048         m_pTree->Expand(theId);
1049         OnExpand();
1050     }
1051 }
1052
1053 bool RegTreeCtrl::TreeNode::DeleteChild(TreeNode *child)
1054 {
1055     int index = m_aChildren.Index(child);
1056     wxCHECK_MSG( index != wxNOT_FOUND, false,
1057                  wxT("our child in tree should be in m_aChildren") );
1058
1059     m_aChildren.RemoveAt((size_t)index);
1060
1061     bool ok;
1062     if ( child->IsKey() )
1063     {
1064         // must close key before deleting it
1065         child->OnCollapse();
1066
1067         ok = Key().DeleteKey(child->m_strName);
1068     }
1069     else
1070     {
1071         ok = Key().DeleteValue(child->m_strName);
1072     }
1073
1074     if ( ok )
1075     {
1076         wxTreeItemId theId(child->Id()); // Temp variable seems necessary for BC++
1077         m_pTree->Delete(theId);
1078
1079         Refresh();
1080     }
1081
1082     return ok;
1083 }
1084
1085 void RegTreeCtrl::TreeNode::DestroyChildren()
1086 {
1087     // destroy all children
1088     size_t nCount = m_aChildren.GetCount();
1089     for ( size_t n = 0; n < nCount; n++ )
1090     {
1091         wxTreeItemId lId = m_aChildren[n]->Id();
1092         m_pTree->Delete(lId);
1093     }
1094
1095     m_aChildren.Empty();
1096 }
1097
1098 RegTreeCtrl::TreeNode::~TreeNode()
1099 {
1100     delete m_pKey;
1101 }
1102
1103 const wxChar *RegTreeCtrl::TreeNode::FullName() const
1104 {
1105     static wxString s_strName;
1106
1107     if ( IsRoot() )
1108     {
1109         return wxT("Registry Root");
1110     }
1111     else
1112     {
1113         // our own registry key might not (yet) exist or we might be a value,
1114         // so just use the parent's and concatenate
1115         s_strName = Parent()->FullName();
1116         s_strName << wxT('\\') << m_strName;
1117
1118         return s_strName;
1119     }
1120 }
1121
1122 // ----------------------------------------------------------------------------
1123 // operations on RegTreeCtrl
1124 // ----------------------------------------------------------------------------
1125
1126 void RegTreeCtrl::GoTo(const wxString& location)
1127 {
1128     wxStringTokenizer tk(location, _T("\\"));
1129
1130     wxTreeItemId id = GetRootItem();
1131
1132     while ( tk.HasMoreTokens() )
1133     {
1134         wxString subkey = tk.GetNextToken();
1135
1136         wxTreeItemId idCurrent = id;
1137         if ( !IsExpanded(idCurrent) )
1138             Expand(idCurrent);
1139
1140         wxTreeItemIdValue dummy;
1141         id = GetFirstChild(idCurrent, dummy);
1142
1143         if ( idCurrent == GetRootItem() )
1144         {
1145             // special case: we understand both HKCU and HKEY_CURRENT_USER here
1146             for ( size_t key = 0; key < wxRegKey::nStdKeys; key++ )
1147             {
1148                 if ( subkey == wxRegKey::GetStdKeyName(key)
1149                      || subkey == wxRegKey::GetStdKeyShortName(key) )
1150                 {
1151                     break;
1152                 }
1153
1154                 id = GetNextChild(idCurrent, dummy);
1155             }
1156         }
1157         else
1158         {
1159             // enum all children
1160             while ( id.IsOk() )
1161             {
1162                 if ( subkey == ((TreeNode *)GetItemData(id))->m_strName )
1163                     break;
1164
1165                 id = GetNextChild(idCurrent, dummy);
1166             }
1167         }
1168
1169         if ( !id.IsOk() )
1170         {
1171             wxLogError(_T("No such key '%s'."), location.c_str());
1172
1173             return;
1174         }
1175     }
1176
1177     if ( id.IsOk() )
1178         SelectItem(id);
1179 }
1180
1181 void RegTreeCtrl::DeleteSelected()
1182 {
1183     wxTreeItemId lCurrent = GetSelection(),
1184                  lParent  = GetItemParent(lCurrent);
1185
1186     if ( lParent == GetRootItem() )
1187     {
1188         wxLogError(wxT("Can't delete root key."));
1189         return;
1190     }
1191
1192     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent),
1193              *pParent  = (TreeNode *)GetItemData(lParent);
1194
1195     wxCHECK_RET(pCurrent && pParent, wxT("either node or parent without data?"));
1196
1197     if ( pParent->IsRoot() )
1198     {
1199         wxLogError(wxT("Can't delete standard key."));
1200         return;
1201     }
1202
1203     wxString what = pCurrent->IsKey() ? _T("key") : _T("value");
1204     if ( wxMessageBox(wxString::Format
1205         (
1206             wxT("Do you really want to delete this %s?"),
1207             what.c_str()
1208         ),
1209         _T("Confirmation"),
1210         wxICON_QUESTION | wxYES_NO | wxCANCEL, this) != wxYES )
1211     {
1212         return;
1213     }
1214
1215     pParent->DeleteChild(pCurrent);
1216 }
1217
1218 void RegTreeCtrl::CreateNewKey(const wxString& strName)
1219 {
1220     wxTreeItemId lCurrent = GetSelection();
1221     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1222
1223     wxCHECK_RET( pCurrent != NULL, wxT("node without data?") );
1224
1225     wxASSERT( pCurrent->IsKey() );  // check must have been done before
1226
1227     if ( pCurrent->IsRoot() )
1228     {
1229         wxLogError(wxT("Can't create a new key under the root key."));
1230         return;
1231     }
1232
1233     wxRegKey key(pCurrent->Key(), strName);
1234     if ( key.Create() )
1235         pCurrent->Refresh();
1236 }
1237
1238 void RegTreeCtrl::CreateNewTextValue(const wxString& strName)
1239 {
1240     wxTreeItemId lCurrent = GetSelection();
1241     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1242
1243     wxCHECK_RET( pCurrent != NULL, wxT("node without data?") );
1244
1245     wxASSERT( pCurrent->IsKey() );  // check must have been done before
1246
1247     if ( pCurrent->IsRoot() )
1248     {
1249         wxLogError(wxT("Can't create a new value under the root key."));
1250         return;
1251     }
1252
1253     if ( pCurrent->Key().SetValue(strName, wxEmptyString) )
1254         pCurrent->Refresh();
1255 }
1256
1257 void RegTreeCtrl::CreateNewBinaryValue(const wxString& strName)
1258 {
1259     wxTreeItemId lCurrent = GetSelection();
1260     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1261
1262     wxCHECK_RET( pCurrent != NULL, wxT("node without data?") );
1263
1264     wxASSERT( pCurrent->IsKey() );  // check must have been done before
1265
1266     if ( pCurrent->IsRoot() )
1267     {
1268         wxLogError(wxT("Can't create a new value under the root key."));
1269         return;
1270     }
1271
1272     if ( pCurrent->Key().SetValue(strName, 0) )
1273         pCurrent->Refresh();
1274 }
1275
1276 void RegTreeCtrl::ShowProperties()
1277 {
1278     wxTreeItemId lCurrent = GetSelection();
1279     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1280
1281     if ( !pCurrent || pCurrent->IsRoot() )
1282     {
1283         wxLogStatus(wxT("No properties"));
1284
1285         return;
1286     }
1287
1288     if ( pCurrent->IsKey() )
1289     {
1290         const wxRegKey& key = pCurrent->Key();
1291         size_t nSubKeys, nValues;
1292         if ( !key.GetKeyInfo(&nSubKeys, NULL, &nValues, NULL) )
1293         {
1294             wxLogError(wxT("Couldn't get key info"));
1295         }
1296         else
1297         {
1298             wxLogMessage(wxT("Key '%s' has %u subkeys and %u values."),
1299                          key.GetName().c_str(), nSubKeys, nValues);
1300         }
1301     }
1302     else // it's a value
1303     {
1304         TreeNode *parent = pCurrent->Parent();
1305         wxCHECK_RET( parent, wxT("reg value without key?") );
1306
1307         const wxRegKey& key = parent->Key();
1308         const wxChar *value = pCurrent->m_strName.c_str();
1309         wxLogMessage(wxT("Value '%s' under the key '%s' is of type ")
1310             wxT("%d (%s)."),
1311             value,
1312             parent->m_strName.c_str(),
1313             key.GetValueType(value),
1314             key.IsNumericValue(value) ? wxT("numeric") : wxT("string"));
1315
1316     }
1317 }
1318
1319 bool RegTreeCtrl::IsKeySelected() const
1320 {
1321     wxTreeItemId lCurrent = GetSelection();
1322     TreeNode *pCurrent = (TreeNode *) GetItemData(lCurrent);
1323
1324     wxCHECK( pCurrent != NULL, false );
1325
1326     return pCurrent->IsKey();
1327 }
1328
1329 void RegTreeCtrl::DoRefresh()
1330 {
1331     wxTreeItemId lId = GetSelection();
1332     if ( !lId )
1333         return;
1334
1335     TreeNode *pNode = (TreeNode *) GetItemData(lId);
1336
1337     wxCHECK_RET( pNode != NULL, wxT("tree item without data?") );
1338
1339     pNode->Refresh();
1340 }
1341
1342 #endif