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 licence
  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, const 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_ITEM_COLLAPSING(Ctrl_RegTree, RegTreeCtrl::OnItemExpanding)
 265     EVT_TREE_SEL_CHANGED    (Ctrl_RegTree, RegTreeCtrl::OnSelChanged)
 266
 267     EVT_TREE_BEGIN_LABEL_EDIT(Ctrl_RegTree, RegTreeCtrl::OnBeginEdit)
 268     EVT_TREE_END_LABEL_EDIT  (Ctrl_RegTree, RegTreeCtrl::OnEndEdit)
 269
 270     EVT_TREE_BEGIN_DRAG    (Ctrl_RegTree, RegTreeCtrl::OnBeginDrag)
 271     EVT_TREE_BEGIN_RDRAG   (Ctrl_RegTree, RegTreeCtrl::OnBeginDrag)
 272     EVT_TREE_END_DRAG      (Ctrl_RegTree, RegTreeCtrl::OnEndDrag)
 273
 274     EVT_CHAR      (RegTreeCtrl::OnChar)
 275     EVT_RIGHT_DOWN(RegTreeCtrl::OnRightClick)
 276     EVT_IDLE      (RegTreeCtrl::OnIdle)
 277 END_EVENT_TABLE()
 278
 279 #endif
 280
 281 // ============================================================================
 282 // implementation
 283 // ============================================================================
 284
 285 // ----------------------------------------------------------------------------
 286 // global functions
 287 // ----------------------------------------------------------------------------
 288
 289 // create the "registry operations" menu
 290 wxMenu *CreateRegistryMenu()
 291 {
 292     wxMenu *pMenuNew = new wxMenu;
 293     pMenuNew->Append(Menu_NewKey,    wxT("&Key"),          wxT("Create a new key"));
 294     pMenuNew->AppendSeparator();
 295     pMenuNew->Append(Menu_NewText,   wxT("&Text value"),   wxT("Create a new text value"));
 296     pMenuNew->Append(Menu_NewBinary, wxT("&Binary value"), wxT("Create a new binary value"));
 297
 298     wxMenu *pMenuReg = new wxMenu;
 299     pMenuReg->Append(Menu_New, wxT("&New"), pMenuNew);
 300     pMenuReg->Append(Menu_Delete,   wxT("&Delete..."), wxT("Delete selected key/value"));
 301     pMenuReg->AppendSeparator();
 302     pMenuReg->Append(Menu_GoTo,     wxT("&Go to...\tCtrl-G"),    wxT("Go to registry key"));
 303     pMenuReg->Append(Menu_Expand,   wxT("&Expand"),    wxT("Expand current key"));
 304     pMenuReg->Append(Menu_Collapse, wxT("&Collapse"),  wxT("Collapse current key"));
 305     pMenuReg->Append(Menu_Toggle,   wxT("&Toggle"),    wxT("Toggle current key"));
 306     pMenuReg->AppendSeparator();
 307     pMenuReg->Append(Menu_Refresh,  wxT("&Refresh"),   wxT("Refresh the subtree"));
 308     pMenuReg->AppendSeparator();
 309     pMenuReg->Append(Menu_Info,     wxT("&Properties"),wxT("Information about current selection"));
 310
 311     return pMenuReg;
 312 }
 313
 314 // ----------------------------------------------------------------------------
 315 // application class
 316 // ----------------------------------------------------------------------------
 317 IMPLEMENT_APP(RegApp)
 318
 319 // `Main program' equivalent, creating windows and returning main app frame
 320 bool RegApp::OnInit()
 321 {
 322     if ( !wxApp::OnInit() )
 323         return false;
 324
 325     // create the main frame window and show it
 326     RegFrame *frame = new RegFrame(NULL, wxT("wxRegTest"), 50, 50, 600, 350);
 327     frame->Show(true);
 328
 329     SetTopWindow(frame);
 330
 331     return true;
 332 }
 333
 334 // ----------------------------------------------------------------------------
 335 // RegFrame
 336 // ----------------------------------------------------------------------------
 337
 338 RegFrame::RegFrame(wxFrame *parent, const wxChar *title, int x, int y, int w, int h)
 339         : wxFrame(parent, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 340 {
 341     // this reduces flicker effects
 342     SetBackgroundColour(wxColour(255, 255, 255));
 343
 344     // set the icon
 345     // ------------
 346     SetIcon(wxIcon(wxT("app_icon")));
 347
 348     // create menu
 349     // -----------
 350     wxMenu *pMenuFile = new wxMenu;
 351     pMenuFile->Append(Menu_Test, wxT("Te&st"), wxT("Test key creation"));
 352     pMenuFile->AppendSeparator();
 353     pMenuFile->Append(Menu_About, wxT("&About..."), wxT("Show an extraordinarly beautiful dialog"));
 354     pMenuFile->AppendSeparator();
 355     pMenuFile->Append(Menu_Quit,  wxT("E&xit"), wxT("Quit this program"));
 356
 357     wxMenuBar *pMenu = new wxMenuBar;
 358     pMenu->Append(pMenuFile, wxT("&File"));
 359     pMenu->Append(CreateRegistryMenu(),  wxT("&Registry"));
 360     SetMenuBar(pMenu);
 361
 362 #if DO_REGTEST
 363     // create child controls
 364     // ---------------------
 365     m_treeCtrl = new RegTreeCtrl(this, Ctrl_RegTree);
 366 #endif
 367
 368 #if wxUSE_STATUSBAR
 369     // create the status line
 370     // ----------------------
 371     CreateStatusBar(2);
 372 #endif // wxUSE_STATUSBAR
 373 }
 374
 375 RegFrame::~RegFrame()
 376 {
 377 #if DO_REGTEST
 378     // this makes deletion of it *much* quicker
 379     m_treeCtrl->Hide();
 380 #endif
 381 }
 382
 383 void RegFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 384 {
 385     Close(true);
 386 }
 387
 388 void RegFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 389 {
 390     wxMessageDialog dialog(this,
 391         wxT("wxRegistry sample\n")
 392         wxT("(c) 1998, 2000 Vadim Zeitlin"),
 393         wxT("About wxRegTest"), wxOK);
 394
 395     dialog.ShowModal();
 396 }
 397
 398 void RegFrame::OnTest(wxCommandEvent& WXUNUSED(event))
 399 {
 400 #if DO_REGTEST
 401     m_treeCtrl->OnMenuTest();
 402 #endif
 403 }
 404
 405 void RegFrame::OnGoTo(wxCommandEvent& WXUNUSED(event))
 406 {
 407     static wxString s_location = wxT("HKEY_CURRENT_USER\\Software\\wxWidgets");
 408
 409     wxString location = wxGetTextFromUser(
 410         wxT("Enter the location to go to:"),
 411         wxT("wxRegTest question"),
 412         s_location,
 413         this);
 414
 415     if ( !location )
 416         return;
 417
 418     s_location = location;
 419 #if DO_REGTEST
 420     m_treeCtrl->GoTo(location);
 421 #endif
 422 }
 423
 424 void RegFrame::OnExpand(wxCommandEvent& WXUNUSED(event))
 425 {
 426 #if DO_REGTEST
 427     m_treeCtrl->Expand(m_treeCtrl->GetSelection());
 428 #endif
 429 }
 430
 431 void RegFrame::OnCollapse(wxCommandEvent& WXUNUSED(event))
 432 {
 433 #if DO_REGTEST
 434     m_treeCtrl->Collapse(m_treeCtrl->GetSelection());
 435 #endif
 436 }
 437
 438 void RegFrame::OnToggle(wxCommandEvent& WXUNUSED(event))
 439 {
 440 #if DO_REGTEST
 441     m_treeCtrl->Toggle(m_treeCtrl->GetSelection());
 442 #endif
 443 }
 444
 445 void RegFrame::OnRefresh(wxCommandEvent& WXUNUSED(event))
 446 {
 447 #if DO_REGTEST
 448     m_treeCtrl->DoRefresh();
 449 #endif
 450 }
 451
 452 void RegFrame::OnDelete(wxCommandEvent& WXUNUSED(event))
 453 {
 454 #if DO_REGTEST
 455     m_treeCtrl->DeleteSelected();
 456 #endif
 457 }
 458
 459 void RegFrame::OnNewKey(wxCommandEvent& WXUNUSED(event))
 460 {
 461 #if DO_REGTEST
 462     if ( m_treeCtrl->IsKeySelected() )
 463     {
 464         m_treeCtrl->CreateNewKey(
 465             wxGetTextFromUser(wxT("Enter the name of the new key")));
 466     }
 467 #endif
 468 }
 469
 470 void RegFrame::OnNewText(wxCommandEvent& WXUNUSED(event))
 471 {
 472 #if DO_REGTEST
 473     if ( m_treeCtrl->IsKeySelected() )
 474     {
 475         m_treeCtrl->CreateNewTextValue(
 476             wxGetTextFromUser(wxT("Enter the name for the new text value")));
 477     }
 478 #endif
 479 }
 480
 481 void RegFrame::OnNewBinary(wxCommandEvent& WXUNUSED(event))
 482 {
 483 #if DO_REGTEST
 484     if ( m_treeCtrl->IsKeySelected() )
 485     {
 486         m_treeCtrl->CreateNewBinaryValue(
 487             wxGetTextFromUser(wxT("Enter the name for the new binary value")));
 488     }
 489 #endif
 490 }
 491
 492 void RegFrame::OnInfo(wxCommandEvent& WXUNUSED(event))
 493 {
 494 #if DO_REGTEST
 495     m_treeCtrl->ShowProperties();
 496 #endif
 497 }
 498
 499 // ----------------------------------------------------------------------------
 500 // RegImageList
 501 // ----------------------------------------------------------------------------
 502 RegImageList::RegImageList() : wxImageList(16, 16, true)
 503 {
 504     // should be in sync with enum RegImageList::RegIcon
 505     static const wxChar *aszIcons[] = { wxT("key1"),wxT("key2"),wxT("key3"),wxT("value1"),wxT("value2") };
 506     wxString str = wxT("icon_");
 507     for ( unsigned int n = 0; n < WXSIZEOF(aszIcons); n++ )
 508     {
 509         Add(wxIcon(str + aszIcons[n], wxBITMAP_TYPE_ICO_RESOURCE));
 510     }
 511 }
 512
 513 #if DO_REGTEST
 514
 515 // ----------------------------------------------------------------------------
 516 // RegTreeCtrl
 517 // ----------------------------------------------------------------------------
 518
 519 // create a new tree item and insert it into the tree
 520 RegTreeCtrl::TreeNode *RegTreeCtrl::InsertNewTreeNode(TreeNode *pParent,
 521                                                       const wxString& strName,
 522                                                       int idImage,
 523                                                       const wxString *pstrValue)
 524 {
 525     // create new item & insert it
 526     TreeNode *pNewNode = new TreeNode;
 527     pNewNode->m_pTree  = this;
 528     pNewNode->m_pParent = pParent;
 529     pNewNode->m_strName = strName;
 530     pNewNode->m_bKey    = pstrValue == NULL;
 531     pNewNode->m_pKey    = NULL;
 532     if (pParent)
 533     {
 534         pNewNode->m_id  = AppendItem(pParent->Id(),
 535             pNewNode->IsKey() ? strName : *pstrValue,
 536             idImage);
 537     }
 538     else
 539     {
 540         pNewNode->m_id  = AddRoot(strName);
 541     }
 542
 543     wxASSERT_MSG( pNewNode->m_id, wxT("can't create tree control item!"));
 544
 545     // save the pointer in the item
 546     SetItemData(pNewNode->m_id, pNewNode);
 547
 548     // add it to the list of parent's children
 549     if ( pParent != NULL )
 550     {
 551         pParent->m_aChildren.Add(pNewNode);
 552     }
 553
 554     if ( pNewNode->IsKey() )
 555     {
 556         SetItemHasChildren(pNewNode->Id());
 557
 558         if ( !pNewNode->IsRoot() )
 559         {
 560             // set the expanded icon as well
 561             SetItemImage(pNewNode->Id(),
 562                 RegImageList::OpenedKey,
 563                 wxTreeItemIcon_Expanded);
 564         }
 565     }
 566
 567     return pNewNode;
 568 }
 569
 570 RegTreeCtrl::RegTreeCtrl(wxWindow *parent, wxWindowID id)
 571     : wxTreeCtrl(parent, id, wxDefaultPosition, wxDefaultSize,
 572         wxTR_HAS_BUTTONS | wxTR_EDIT_LABELS | wxSUNKEN_BORDER)
 573 {
 574     // init members
 575     m_draggedItem = NULL;
 576     m_restoreStatus = false;
 577
 578     // create the image list
 579     // ---------------------
 580     m_imageList = new RegImageList;
 581     SetImageList(m_imageList);
 582
 583     // create root keys
 584     // ----------------
 585     m_pRoot = InsertNewTreeNode(NULL, wxT("Registry Root"), RegImageList::Root);
 586
 587     // create popup menu
 588     // -----------------
 589     m_pMenuPopup = CreateRegistryMenu();
 590 }
 591
 592 RegTreeCtrl::~RegTreeCtrl()
 593 {
 594     delete m_pMenuPopup;
 595     // delete m_pRoot; -- this is done by the tree now
 596     delete m_imageList;
 597 }
 598
 599 void RegTreeCtrl::AddStdKeys()
 600 {
 601     for ( unsigned int ui = 0; ui < wxRegKey::nStdKeys; ui++ )
 602     {
 603         InsertNewTreeNode(m_pRoot, wxRegKey::GetStdKeyName(ui));
 604     }
 605 }
 606
 607 // ----------------------------------------------------------------------------
 608 // notifications
 609 // ----------------------------------------------------------------------------
 610
 611 void RegTreeCtrl::OnIdle(wxIdleEvent& WXUNUSED(event))
 612 {
 613     if ( m_restoreStatus )
 614     {
 615         // restore it after OnItemExpanding()
 616         wxLogStatus(wxT("Ok"));
 617         wxSetCursor(*wxSTANDARD_CURSOR);
 618
 619         m_restoreStatus = false;
 620     }
 621 }
 622
 623 void RegTreeCtrl::OnRightClick(wxMouseEvent& event)
 624 {
 625     int iFlags;
 626     wxTreeItemId lId = HitTest(wxPoint(event.GetX(), event.GetY()), iFlags);
 627     if ( iFlags & wxTREE_HITTEST_ONITEMLABEL )
 628     {
 629         // select the item first
 630         SelectItem(lId);
 631     }
 632     //else: take the currently selected item if click not on item
 633
 634     PopupMenu(m_pMenuPopup, event.GetX(), event.GetY());
 635 }
 636
 637
 638 void RegTreeCtrl::OnDeleteItem(wxTreeEvent& WXUNUSED(event))
 639 {
 640 }
 641
 642 // test the key creation functions
 643 void RegTreeCtrl::OnMenuTest()
 644 {
 645     wxTreeItemId lId = GetSelection();
 646     TreeNode *pNode = (TreeNode *)GetItemData(lId);
 647
 648     wxCHECK_RET( pNode != NULL, wxT("tree item without data?") );
 649
 650     if ( pNode->IsRoot() )
 651     {
 652         wxLogError(wxT("Can't create a subkey under the root key."));
 653         return;
 654     }
 655
 656     if ( !pNode->IsKey() )
 657     {
 658         wxLogError(wxT("Can't create a subkey under a value!"));
 659         return;
 660     }
 661
 662     wxRegKey key1(pNode->Key(), wxT("key1"));
 663     if ( key1.Create() )
 664     {
 665         wxRegKey key2a(key1, wxT("key2a")), key2b(key1, wxT("key2b"));
 666         if ( key2a.Create() && key2b.Create() )
 667         {
 668             // put some values under the newly created keys
 669             key1.SetValue(wxT("first_term"), wxT("10"));
 670             key1.SetValue(wxT("second_term"), wxT("7"));
 671             key2a = wxT("this is the unnamed value");
 672             key2b.SetValue(wxT("sum"), 17);
 673
 674             // refresh tree
 675             pNode->Refresh();
 676             wxLogStatus(wxT("Test keys successfully added."));
 677             return;
 678         }
 679     }
 680
 681     wxLogError(wxT("Creation of test keys failed."));
 682 }
 683
 684 void RegTreeCtrl::OnChar(wxKeyEvent& event)
 685 {
 686     switch ( event.GetKeyCode() )
 687     {
 688     case WXK_DELETE:
 689         DeleteSelected();
 690         return;
 691
 692     case WXK_RETURN:
 693         if ( event.AltDown() )
 694         {
 695             ShowProperties();
 696
 697             return;
 698         }
 699     }
 700
 701     event.Skip();
 702 }
 703
 704 void RegTreeCtrl::OnSelChanged(wxTreeEvent& event)
 705 {
 706 #if wxUSE_STATUSBAR
 707     wxFrame *pFrame = (wxFrame *) wxWindow::GetParent();
 708     pFrame->SetStatusText(GetNode(event)->FullName(), 1);
 709 #else
 710     wxUnusedVar(event);
 711 #endif // wxUSE_STATUSBAR
 712 }
 713
 714 void RegTreeCtrl::OnItemExpanding(wxTreeEvent& event)
 715 {
 716     TreeNode *pNode = GetNode(event);
 717     bool bExpanding = event.GetEventType() == wxEVT_COMMAND_TREE_ITEM_EXPANDING;
 718
 719     // expansion might take some time
 720     wxSetCursor(*wxHOURGLASS_CURSOR);
 721     wxLogStatus(wxT("Working..."));
 722     wxYield();  // to give the status line a chance to refresh itself
 723     m_restoreStatus = true;   // some time later...
 724
 725     if ( pNode->IsKey() )
 726     {
 727         if ( bExpanding )
 728         {
 729             // expanding: add subkeys/values
 730             if ( !pNode->OnExpand() )
 731                 return;
 732         }
 733         else
 734         {
 735             // collapsing: clean up
 736             pNode->OnCollapse();
 737         }
 738     }
 739 }
 740
 741 void RegTreeCtrl::OnBeginEdit(wxTreeEvent& event)
 742 {
 743     TreeNode *pNode = GetNode(event);
 744     if ( pNode->IsRoot() || pNode->Parent()->IsRoot() )
 745     {
 746         wxLogStatus(wxT("This registry key can't be renamed."));
 747
 748         event.Veto();
 749     }
 750     else
 751     {
 752         m_nameOld = pNode->m_strName;
 753     }
 754 }
 755
 756 void RegTreeCtrl::OnEndEdit(wxTreeEvent& event)
 757 {
 758     bool ok;
 759
 760     wxString name = event.GetLabel();
 761
 762     TreeNode *pNode = GetNode(event);
 763     if ( pNode->IsKey() )
 764     {
 765         wxRegKey& key = pNode->Key();
 766         ok = key.Rename(name);
 767     }
 768     else
 769     {
 770         pNode = pNode->Parent();
 771         wxRegKey& key = pNode->Key();
 772
 773         ok = key.RenameValue(m_nameOld, name);
 774     }
 775
 776     if ( !ok )
 777     {
 778         wxLogError(wxT("Failed to rename '%s' to '%s'."),
 779             m_nameOld.c_str(), name.c_str());
 780     }
 781 #if 0   // MSW tree ctrl doesn't like this at all, it hangs
 782     else
 783     {
 784         pNode->Refresh();
 785     }
 786 #endif // 0
 787 }
 788
 789 void RegTreeCtrl::OnBeginDrag(wxTreeEvent& event)
 790 {
 791     m_copyOnDrop = event.GetEventType() == wxEVT_COMMAND_TREE_BEGIN_DRAG;
 792
 793     TreeNode *pNode = GetNode(event);
 794     if ( pNode->IsRoot() || pNode->Parent()->IsRoot() )
 795     {
 796         wxLogStatus(wxT("This registry key can't be %s."),
 797             m_copyOnDrop ? wxT("copied") : wxT("moved"));
 798     }
 799     else
 800     {
 801         wxLogStatus(wxT("%s item %s..."),
 802             m_copyOnDrop ? wxT("Copying") : wxT("Moving"),
 803             pNode->FullName());
 804
 805         m_draggedItem = pNode;
 806
 807         event.Allow();
 808     }
 809 }
 810
 811 void RegTreeCtrl::OnEndDrag(wxTreeEvent& event)
 812 {
 813     wxCHECK_RET( m_draggedItem, wxT("end drag without begin drag?") );
 814
 815     // clear the pointer anyhow
 816     TreeNode *src = m_draggedItem;
 817     m_draggedItem = NULL;
 818
 819     // where are we going to drop it?
 820     TreeNode *dst = GetNode(event);
 821     if ( dst && !dst->IsKey() )
 822     {
 823         // we need a parent key
 824         dst = dst->Parent();
 825     }
 826
 827     if ( !dst || dst->IsRoot() )
 828     {
 829         wxLogError(wxT("Can't create a key here."));
 830
 831         return;
 832     }
 833
 834     bool isKey = src->IsKey();
 835     if ( (isKey && (src == dst)) ||
 836          (!isKey && (dst->Parent() == src)) ) {
 837         wxLogStatus(wxT("Can't copy something on itself"));
 838
 839         return;
 840     }
 841
 842     // remove the "Registry Root\\" from the full name
 843     wxString nameSrc, nameDst;
 844     nameSrc << wxString(src->FullName()).AfterFirst('\\');
 845     nameDst << wxString(dst->FullName()).AfterFirst('\\') << '\\'
 846             << wxString(src->FullName()).AfterLast('\\');
 847
 848     wxString verb = m_copyOnDrop ? wxT("copy") : wxT("move");
 849     wxString what = isKey ? wxT("key") : wxT("value");
 850
 851     if ( wxMessageBox(wxString::Format
 852                         (
 853                          wxT("Do you really want to %s the %s %s to %s?"),
 854                          verb.c_str(),
 855                          what.c_str(),
 856                          nameSrc.c_str(),
 857                          nameDst.c_str()
 858                         ),
 859                       wxT("RegTest Confirm"),
 860                       wxICON_QUESTION | wxYES_NO | wxCANCEL, this) != wxYES ) {
 861       return;
 862     }
 863
 864     bool ok;
 865     if ( isKey )
 866     {
 867         wxRegKey& key = src->Key();
 868         wxRegKey keyDst(dst->Key(), src->m_strName);
 869         ok = keyDst.Create(false);
 870         if ( !ok )
 871         {
 872             wxLogError(wxT("Key '%s' already exists"), keyDst.GetName().c_str());
 873         }
 874         else
 875         {
 876             ok = key.Copy(keyDst);
 877         }
 878
 879         if ( ok && !m_copyOnDrop )
 880         {
 881             // delete the old key
 882             ok = key.DeleteSelf();
 883             if ( ok )
 884             {
 885                 src->Parent()->Refresh();
 886             }
 887         }
 888     }
 889     else // value
 890     {
 891         wxRegKey& key = src->Parent()->Key();
 892         ok = key.CopyValue(src->m_strName, dst->Key());
 893         if ( ok && !m_copyOnDrop )
 894         {
 895             // we moved it, so delete the old one
 896             ok = key.DeleteValue(src->m_strName);
 897         }
 898     }
 899
 900     if ( !ok )
 901     {
 902         wxLogError(wxT("Failed to %s registry %s."),
 903                    verb.c_str(), what.c_str());
 904     }
 905     else
 906     {
 907         dst->Refresh();
 908     }
 909 }
 910
 911 // ----------------------------------------------------------------------------
 912 // TreeNode implementation
 913 // ----------------------------------------------------------------------------
 914 bool RegTreeCtrl::TreeNode::OnExpand()
 915 {
 916     // we add children only once
 917     if ( !m_aChildren.IsEmpty() )
 918     {
 919         // we've been already expanded
 920         return true;
 921     }
 922
 923     if ( IsRoot() )
 924     {
 925         // we're the root key
 926         m_pTree->AddStdKeys();
 927         return true;
 928     }
 929
 930     if ( Parent()->IsRoot() )
 931     {
 932         // we're a standard key
 933         m_pKey = new wxRegKey(m_strName);
 934     }
 935     else
 936     {
 937         // we're a normal key
 938         m_pKey = new wxRegKey(*(Parent()->m_pKey), m_strName);
 939     }
 940
 941     if ( !m_pKey->Open() )
 942     {
 943         wxLogError(wxT("The key '%s' can't be opened."), FullName());
 944         return false;
 945     }
 946
 947     // if we're empty, we shouldn't be expandable at all
 948     bool isEmpty = true;
 949
 950     // enumeration variables
 951     long l;
 952     wxString str;
 953     bool bCont;
 954
 955     // enumerate all subkeys
 956     bCont = m_pKey->GetFirstKey(str, l);
 957     while ( bCont )
 958     {
 959         m_pTree->InsertNewTreeNode(this, str, RegImageList::ClosedKey);
 960         bCont = m_pKey->GetNextKey(str, l);
 961
 962         // we have at least this key...
 963         isEmpty = false;
 964     }
 965
 966     // enumerate all values
 967     bCont = m_pKey->GetFirstValue(str, l);
 968     while ( bCont )
 969     {
 970         wxString strItem;
 971         if (str.empty())
 972             strItem = wxT("<default>");
 973         else
 974             strItem = str;
 975         strItem += wxT(" = ");
 976
 977         // determine the appropriate icon
 978         RegImageList::Icon icon;
 979         switch ( m_pKey->GetValueType(str) )
 980         {
 981         case wxRegKey::Type_String:
 982         case wxRegKey::Type_Expand_String:
 983         case wxRegKey::Type_Multi_String:
 984         {
 985             wxString strValue;
 986             icon = RegImageList::TextValue;
 987             m_pKey->QueryValue(str, strValue);
 988             strItem += strValue;
 989         }
 990         break;
 991
 992         case wxRegKey::Type_None:
 993             // @@ handle the error...
 994             icon = RegImageList::BinaryValue;
 995             break;
 996
 997         case wxRegKey::Type_Dword:
 998         {
 999             long l;
1000             m_pKey->QueryValue(str, &l);
1001             strItem << l;
1002         }
1003
1004         // fall through
1005
1006         default:
1007             icon = RegImageList::BinaryValue;
1008         }
1009
1010         m_pTree->InsertNewTreeNode(this, str, icon, &strItem);
1011         bCont = m_pKey->GetNextValue(str, l);
1012
1013         // we have at least this value...
1014         isEmpty = false;
1015     }
1016
1017     if ( isEmpty )
1018     {
1019         // this is for the case when our last child was just deleted
1020         wxTreeItemId theId(Id()); // Temp variable seems necessary for BC++
1021         m_pTree->Collapse(theId);
1022
1023         // we won't be expanded any more
1024         m_pTree->SetItemHasChildren(theId, false);
1025     }
1026
1027     return true;
1028 }
1029
1030 void RegTreeCtrl::TreeNode::OnCollapse()
1031 {
1032     DestroyChildren();
1033
1034     wxDELETE(m_pKey);
1035 }
1036
1037 void RegTreeCtrl::TreeNode::Refresh()
1038 {
1039     if ( !IsKey() )
1040         return;
1041
1042     wxTreeItemId theId(Id()); // Temp variable seems necessary for BC++
1043     bool wasExpanded = m_pTree->IsExpanded(theId);
1044     if ( wasExpanded )
1045         m_pTree->Collapse(theId);
1046
1047     OnCollapse();
1048     m_pTree->SetItemHasChildren(theId);
1049     if ( wasExpanded )
1050     {
1051         m_pTree->Expand(theId);
1052         OnExpand();
1053     }
1054 }
1055
1056 bool RegTreeCtrl::TreeNode::DeleteChild(TreeNode *child)
1057 {
1058     int index = m_aChildren.Index(child);
1059     wxCHECK_MSG( index != wxNOT_FOUND, false,
1060                  wxT("our child in tree should be in m_aChildren") );
1061
1062     m_aChildren.RemoveAt((size_t)index);
1063
1064     bool ok;
1065     if ( child->IsKey() )
1066     {
1067         // must close key before deleting it
1068         child->OnCollapse();
1069
1070         ok = Key().DeleteKey(child->m_strName);
1071     }
1072     else
1073     {
1074         ok = Key().DeleteValue(child->m_strName);
1075     }
1076
1077     if ( ok )
1078     {
1079         wxTreeItemId theId(child->Id()); // Temp variable seems necessary for BC++
1080         m_pTree->Delete(theId);
1081
1082         Refresh();
1083     }
1084
1085     return ok;
1086 }
1087
1088 void RegTreeCtrl::TreeNode::DestroyChildren()
1089 {
1090     // destroy all children
1091     size_t nCount = m_aChildren.GetCount();
1092     for ( size_t n = 0; n < nCount; n++ )
1093     {
1094         wxTreeItemId lId = m_aChildren[n]->Id();
1095         m_pTree->Delete(lId);
1096     }
1097
1098     m_aChildren.Empty();
1099 }
1100
1101 RegTreeCtrl::TreeNode::~TreeNode()
1102 {
1103     delete m_pKey;
1104 }
1105
1106 const wxChar *RegTreeCtrl::TreeNode::FullName() const
1107 {
1108     static wxString s_strName;
1109
1110     if ( IsRoot() )
1111     {
1112         return wxT("Registry Root");
1113     }
1114     else
1115     {
1116         // our own registry key might not (yet) exist or we might be a value,
1117         // so just use the parent's and concatenate
1118         s_strName = Parent()->FullName();
1119         s_strName << wxT('\\') << m_strName;
1120
1121         return s_strName;
1122     }
1123 }
1124
1125 // ----------------------------------------------------------------------------
1126 // operations on RegTreeCtrl
1127 // ----------------------------------------------------------------------------
1128
1129 void RegTreeCtrl::GoTo(const wxString& location)
1130 {
1131     wxStringTokenizer tk(location, wxT("\\"));
1132
1133     wxTreeItemId id = GetRootItem();
1134
1135     while ( tk.HasMoreTokens() )
1136     {
1137         wxString subkey = tk.GetNextToken();
1138
1139         wxTreeItemId idCurrent = id;
1140         if ( !IsExpanded(idCurrent) )
1141             Expand(idCurrent);
1142
1143         wxTreeItemIdValue dummy;
1144         id = GetFirstChild(idCurrent, dummy);
1145
1146         if ( idCurrent == GetRootItem() )
1147         {
1148             // special case: we understand both HKCU and HKEY_CURRENT_USER here
1149             for ( size_t key = 0; key < wxRegKey::nStdKeys; key++ )
1150             {
1151                 if ( subkey == wxRegKey::GetStdKeyName(key)
1152                      || subkey == wxRegKey::GetStdKeyShortName(key) )
1153                 {
1154                     break;
1155                 }
1156
1157                 id = GetNextChild(idCurrent, dummy);
1158             }
1159         }
1160         else
1161         {
1162             // enum all children
1163             while ( id.IsOk() )
1164             {
1165                 if ( subkey == ((TreeNode *)GetItemData(id))->m_strName )
1166                     break;
1167
1168                 id = GetNextChild(idCurrent, dummy);
1169             }
1170         }
1171
1172         if ( !id.IsOk() )
1173         {
1174             wxLogError(wxT("No such key '%s'."), location.c_str());
1175
1176             return;
1177         }
1178     }
1179
1180     if ( id.IsOk() )
1181         SelectItem(id);
1182 }
1183
1184 void RegTreeCtrl::DeleteSelected()
1185 {
1186     wxTreeItemId lCurrent = GetSelection(),
1187                  lParent  = GetItemParent(lCurrent);
1188
1189     if ( lParent == GetRootItem() )
1190     {
1191         wxLogError(wxT("Can't delete root key."));
1192         return;
1193     }
1194
1195     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent),
1196              *pParent  = (TreeNode *)GetItemData(lParent);
1197
1198     wxCHECK_RET(pCurrent && pParent, wxT("either node or parent without data?"));
1199
1200     if ( pParent->IsRoot() )
1201     {
1202         wxLogError(wxT("Can't delete standard key."));
1203         return;
1204     }
1205
1206     wxString what = pCurrent->IsKey() ? wxT("key") : wxT("value");
1207     if ( wxMessageBox(wxString::Format
1208         (
1209             wxT("Do you really want to delete this %s?"),
1210             what.c_str()
1211         ),
1212         wxT("Confirmation"),
1213         wxICON_QUESTION | wxYES_NO | wxCANCEL, this) != wxYES )
1214     {
1215         return;
1216     }
1217
1218     pParent->DeleteChild(pCurrent);
1219 }
1220
1221 void RegTreeCtrl::CreateNewKey(const wxString& strName)
1222 {
1223     wxTreeItemId lCurrent = GetSelection();
1224     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1225
1226     wxCHECK_RET( pCurrent != NULL, wxT("node without data?") );
1227
1228     wxASSERT( pCurrent->IsKey() );  // check must have been done before
1229
1230     if ( pCurrent->IsRoot() )
1231     {
1232         wxLogError(wxT("Can't create a new key under the root key."));
1233         return;
1234     }
1235
1236     wxRegKey key(pCurrent->Key(), strName);
1237     if ( key.Create() )
1238         pCurrent->Refresh();
1239 }
1240
1241 void RegTreeCtrl::CreateNewTextValue(const wxString& strName)
1242 {
1243     wxTreeItemId lCurrent = GetSelection();
1244     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1245
1246     wxCHECK_RET( pCurrent != NULL, wxT("node without data?") );
1247
1248     wxASSERT( pCurrent->IsKey() );  // check must have been done before
1249
1250     if ( pCurrent->IsRoot() )
1251     {
1252         wxLogError(wxT("Can't create a new value under the root key."));
1253         return;
1254     }
1255
1256     if ( pCurrent->Key().SetValue(strName, wxEmptyString) )
1257         pCurrent->Refresh();
1258 }
1259
1260 void RegTreeCtrl::CreateNewBinaryValue(const wxString& strName)
1261 {
1262     wxTreeItemId lCurrent = GetSelection();
1263     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1264
1265     wxCHECK_RET( pCurrent != NULL, wxT("node without data?") );
1266
1267     wxASSERT( pCurrent->IsKey() );  // check must have been done before
1268
1269     if ( pCurrent->IsRoot() )
1270     {
1271         wxLogError(wxT("Can't create a new value under the root key."));
1272         return;
1273     }
1274
1275     if ( pCurrent->Key().SetValue(strName, 0) )
1276         pCurrent->Refresh();
1277 }
1278
1279 void RegTreeCtrl::ShowProperties()
1280 {
1281     wxTreeItemId lCurrent = GetSelection();
1282     TreeNode *pCurrent = (TreeNode *)GetItemData(lCurrent);
1283
1284     if ( !pCurrent || pCurrent->IsRoot() )
1285     {
1286         wxLogStatus(wxT("No properties"));
1287
1288         return;
1289     }
1290
1291     if ( pCurrent->IsKey() )
1292     {
1293         const wxRegKey& key = pCurrent->Key();
1294         size_t nSubKeys, nValues;
1295         if ( !key.GetKeyInfo(&nSubKeys, NULL, &nValues, NULL) )
1296         {
1297             wxLogError(wxT("Couldn't get key info"));
1298         }
1299         else
1300         {
1301             wxLogMessage(wxT("Key '%s' has %u subkeys and %u values."),
1302                          key.GetName().c_str(), nSubKeys, nValues);
1303         }
1304     }
1305     else // it's a value
1306     {
1307         TreeNode *parent = pCurrent->Parent();
1308         wxCHECK_RET( parent, wxT("reg value without key?") );
1309
1310         const wxRegKey& key = parent->Key();
1311         const wxChar *value = pCurrent->m_strName.c_str();
1312         wxLogMessage(wxT("Value '%s' under the key '%s' is of type ")
1313             wxT("%d (%s)."),
1314             value,
1315             parent->m_strName.c_str(),
1316             key.GetValueType(value),
1317             key.IsNumericValue(value) ? wxT("numeric") : wxT("string"));
1318
1319     }
1320 }
1321
1322 bool RegTreeCtrl::IsKeySelected() const
1323 {
1324     wxTreeItemId lCurrent = GetSelection();
1325     TreeNode *pCurrent = (TreeNode *) GetItemData(lCurrent);
1326
1327     wxCHECK( pCurrent != NULL, false );
1328
1329     return pCurrent->IsKey();
1330 }
1331
1332 void RegTreeCtrl::DoRefresh()
1333 {
1334     wxTreeItemId lId = GetSelection();
1335     if ( !lId )
1336         return;
1337
1338     TreeNode *pNode = (TreeNode *) GetItemData(lId);
1339
1340     wxCHECK_RET( pNode != NULL, wxT("tree item without data?") );
1341
1342     pNode->Refresh();
1343 }
1344
1345 #endif