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C/C++ Source or Header  |  2002-04-09  |  17KB  |  546 lines
  1. /////////////////////////////////////////////////////////////////////////////
  2. // Program:     wxWindows Widgets Sample
  3. // Name:        notebook.cpp
  4. // Purpose:     Part of the widgets sample showing wxNotebook
  5. // Author:      Vadim Zeitlin
  6. // Created:     06.04.01
  7. // Id:          $Id: notebook.cpp,v 1.5 2002/04/09 10:31:36 JS Exp $
  8. // Copyright:   (c) 2001 Vadim Zeitlin
  9. // License:     wxWindows license
  10. /////////////////////////////////////////////////////////////////////////////
  11.  
  12. // ============================================================================
  13. // declarations
  14. // ============================================================================
  15.  
  16. // ----------------------------------------------------------------------------
  17. // headers
  18. // ----------------------------------------------------------------------------
  19.  
  20. // for compilers that support precompilation, includes "wx/wx.h".
  21. #include "wx/wxprec.h"
  22.  
  23. #ifdef __BORLANDC__
  24.     #pragma hdrstop
  25. #endif
  26.  
  27. // for all others, include the necessary headers
  28. #ifndef WX_PRECOMP
  29.     #include "wx/app.h"
  30.     #include "wx/log.h"
  31.  
  32.     #include "wx/button.h"
  33.     #include "wx/checkbox.h"
  34.     #include "wx/combobox.h"
  35.     #include "wx/radiobox.h"
  36.     #include "wx/statbox.h"
  37.     #include "wx/textctrl.h"
  38.  
  39.     #include "wx/dynarray.h"
  40. #endif
  41.  
  42. #include "wx/sizer.h"
  43. #include "wx/notebook.h"
  44. #include "wx/artprov.h"
  45.  
  46. #include "widgets.h"
  47. #if 1
  48. #include "icons/notebook.xpm"
  49.  
  50. // ----------------------------------------------------------------------------
  51. // constants
  52. // ----------------------------------------------------------------------------
  53.  
  54. // control ids
  55. enum
  56. {
  57.     NotebookPage_Reset = 100,
  58.     NotebookPage_SelectPage,
  59.     NotebookPage_AddPage,
  60.     NotebookPage_InsertPage,
  61.     NotebookPage_RemovePage,
  62.     NotebookPage_DeleteAll,
  63.     NotebookPage_InsertText,
  64.     NotebookPage_RemoveText,
  65.     NotebookPage_SelectText,
  66.     NotebookPage_NumPagesText,
  67.     NotebookPage_CurSelectText,
  68.     NotebookPage_Notebook
  69. };
  70.  
  71. // notebook orientations
  72. enum Orient
  73. {
  74.     Orient_Top,
  75.     Orient_Bottom,
  76.     Orient_Left,
  77.     Orient_Right,
  78.     Orient_Max
  79. };
  80.  
  81. // old versions of wxWindows don't define this style
  82. #ifndef wxNB_TOP
  83.     #define wxNB_TOP (0)
  84. #endif
  85.  
  86. // ----------------------------------------------------------------------------
  87. // NotebookWidgetsPage
  88. // ----------------------------------------------------------------------------
  89.  
  90. class NotebookWidgetsPage : public WidgetsPage
  91. {
  92. public:
  93.     NotebookWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
  94.     virtual ~NotebookWidgetsPage();
  95.  
  96. protected:
  97.     // event handlers
  98.     void OnPageChanging(wxNotebookEvent& event);
  99.     void OnPageChanged(wxNotebookEvent& event);
  100.  
  101.     void OnButtonReset(wxCommandEvent& event);
  102.     void OnButtonDeleteAll(wxCommandEvent& event);
  103.     void OnButtonSelectPage(wxCommandEvent& event);
  104.     void OnButtonAddPage(wxCommandEvent& event);
  105.     void OnButtonInsertPage(wxCommandEvent& event);
  106.     void OnButtonRemovePage(wxCommandEvent& event);
  107.  
  108.     void OnCheckOrRadioBox(wxCommandEvent& event);
  109.  
  110.     void OnUpdateUINumPagesText(wxUpdateUIEvent& event);
  111.     void OnUpdateUICurSelectText(wxUpdateUIEvent& event);
  112.  
  113.     void OnUpdateUISelectButton(wxUpdateUIEvent& event);
  114.     void OnUpdateUIInsertButton(wxUpdateUIEvent& event);
  115.     void OnUpdateUIRemoveButton(wxUpdateUIEvent& event);
  116.  
  117.     void OnUpdateUIResetButton(wxUpdateUIEvent& event);
  118.  
  119.     // reset the wxNotebook parameters
  120.     void Reset();
  121.  
  122.     // (re)create the wxNotebook
  123.     void CreateNotebook();
  124.  
  125.     // create or destroy the image list
  126.     void CreateImageList();
  127.  
  128.     // create a new page
  129.     wxWindow *CreateNewPage();
  130.  
  131.     // get the image index for the new page
  132.     int GetIconIndex() const;
  133.  
  134.     // get the numeric value of text ctrl
  135.     int GetTextValue(wxTextCtrl *text) const;
  136.  
  137.     // the controls
  138.     // ------------
  139.  
  140.     // the check/radio boxes for styles
  141.     wxCheckBox *m_chkImages;
  142.     wxRadioBox *m_radioOrient;
  143.  
  144.     // the text controls containing input for various commands
  145.     wxTextCtrl *m_textInsert,
  146.                *m_textRemove,
  147.                *m_textSelect;
  148.  
  149.     // the notebook itself and the sizer it is in
  150.     wxNotebook *m_notebook;
  151.     wxSizer *m_sizerNotebook;
  152.  
  153.     // thei mage list for our notebook
  154.     wxImageList *m_imageList;
  155.  
  156. private:
  157.     DECLARE_EVENT_TABLE()
  158.     DECLARE_WIDGETS_PAGE(NotebookWidgetsPage)
  159. };
  160.  
  161. // ----------------------------------------------------------------------------
  162. // event tables
  163. // ----------------------------------------------------------------------------
  164.  
  165. BEGIN_EVENT_TABLE(NotebookWidgetsPage, WidgetsPage)
  166.     EVT_BUTTON(NotebookPage_Reset, NotebookWidgetsPage::OnButtonReset)
  167.     EVT_BUTTON(NotebookPage_SelectPage, NotebookWidgetsPage::OnButtonSelectPage)
  168.     EVT_BUTTON(NotebookPage_AddPage, NotebookWidgetsPage::OnButtonAddPage)
  169.     EVT_BUTTON(NotebookPage_InsertPage, NotebookWidgetsPage::OnButtonInsertPage)
  170.     EVT_BUTTON(NotebookPage_RemovePage, NotebookWidgetsPage::OnButtonRemovePage)
  171.     EVT_BUTTON(NotebookPage_DeleteAll, NotebookWidgetsPage::OnButtonDeleteAll)
  172.  
  173.     EVT_UPDATE_UI(NotebookPage_NumPagesText, NotebookWidgetsPage::OnUpdateUINumPagesText)
  174.     EVT_UPDATE_UI(NotebookPage_CurSelectText, NotebookWidgetsPage::OnUpdateUICurSelectText)
  175.  
  176.     EVT_UPDATE_UI(NotebookPage_SelectPage, NotebookWidgetsPage::OnUpdateUISelectButton)
  177.     EVT_UPDATE_UI(NotebookPage_InsertPage, NotebookWidgetsPage::OnUpdateUIInsertButton)
  178.     EVT_UPDATE_UI(NotebookPage_RemovePage, NotebookWidgetsPage::OnUpdateUIRemoveButton)
  179.  
  180.     EVT_NOTEBOOK_PAGE_CHANGING(-1, NotebookWidgetsPage::OnPageChanging)
  181.     EVT_NOTEBOOK_PAGE_CHANGED(-1, NotebookWidgetsPage::OnPageChanged)
  182.  
  183.     EVT_CHECKBOX(-1, NotebookWidgetsPage::OnCheckOrRadioBox)
  184.     EVT_RADIOBOX(-1, NotebookWidgetsPage::OnCheckOrRadioBox)
  185. END_EVENT_TABLE()
  186.  
  187. // ============================================================================
  188. // implementation
  189. // ============================================================================
  190.  
  191. IMPLEMENT_WIDGETS_PAGE(NotebookWidgetsPage, _T("Notebook"));
  192.  
  193. NotebookWidgetsPage::NotebookWidgetsPage(wxNotebook *notebook,
  194.                                          wxImageList *imaglist)
  195.                   : WidgetsPage(notebook)
  196. {
  197.     imaglist->Add(wxBitmap(notebook_xpm));
  198.  
  199.     // init everything
  200.     m_chkImages = NULL;
  201.     m_imageList = NULL;
  202.  
  203.     m_notebook = (wxNotebook *)NULL;
  204.     m_sizerNotebook = (wxSizer *)NULL;
  205.  
  206.     wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL);
  207.  
  208.     // left pane
  209.     wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set style"));
  210.  
  211.     // must be in sync with Orient enum
  212.     wxString orientations[] =
  213.     {
  214.         _T("&top"),
  215.         _T("&bottom"),
  216.         _T("&left"),
  217.         _T("&right"),
  218.     };
  219.  
  220.     wxASSERT_MSG( WXSIZEOF(orientations) == Orient_Max,
  221.                   _T("forgot to update something") );
  222.  
  223.     m_chkImages = new wxCheckBox(this, -1, _T("Show &images"));
  224.     m_radioOrient = new wxRadioBox(this, -1, _T("&Tab orientation"),
  225.                                    wxDefaultPosition, wxDefaultSize,
  226.                                    WXSIZEOF(orientations), orientations,
  227.                                    1, wxRA_SPECIFY_COLS);
  228.  
  229.     wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL);
  230.  
  231.     sizerLeft->Add(m_chkImages, 0, wxALL, 5);
  232.     sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer
  233.     sizerLeft->Add(m_radioOrient, 0, wxALL, 5);
  234.  
  235.     wxButton *btn = new wxButton(this, NotebookPage_Reset, _T("&Reset"));
  236.     sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15);
  237.  
  238.     // middle pane
  239.     wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Contents"));
  240.     wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL);
  241.  
  242.     wxTextCtrl *text;
  243.     wxSizer *sizerRow = CreateSizerWithTextAndLabel(_T("Number of pages: "),
  244.                                                     NotebookPage_NumPagesText,
  245.                                                     &text);
  246.     text->SetEditable(FALSE);
  247.     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
  248.  
  249.     sizerRow = CreateSizerWithTextAndLabel(_T("Current selection: "),
  250.                                            NotebookPage_CurSelectText,
  251.                                            &text);
  252.     text->SetEditable(FALSE);
  253.     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
  254.  
  255.     sizerRow = CreateSizerWithTextAndButton(NotebookPage_SelectPage,
  256.                                             _T("&Select page"),
  257.                                             NotebookPage_SelectText,
  258.                                             &m_textSelect);
  259.     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
  260.  
  261.     btn = new wxButton(this, NotebookPage_AddPage, _T("&Add page"));
  262.     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
  263.  
  264.     sizerRow = CreateSizerWithTextAndButton(NotebookPage_InsertPage,
  265.                                             _T("&Insert page at"),
  266.                                             NotebookPage_InsertText,
  267.                                             &m_textInsert);
  268.     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
  269.  
  270.     sizerRow = CreateSizerWithTextAndButton(NotebookPage_RemovePage,
  271.                                             _T("&Remove page"),
  272.                                             NotebookPage_RemoveText,
  273.                                             &m_textRemove);
  274.     sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5);
  275.  
  276.     btn = new wxButton(this, NotebookPage_DeleteAll, _T("&Delete All"));
  277.     sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5);
  278.  
  279.     // right pane
  280.     wxSizer *sizerRight = new wxBoxSizer(wxHORIZONTAL);
  281.     m_notebook = new wxNotebook(this, NotebookPage_Notebook);
  282.     sizerRight->Add(m_notebook, 1, wxGROW | wxALL, 5);
  283.     sizerRight->SetMinSize(150, 0);
  284.     m_sizerNotebook = sizerRight; // save it to modify it later
  285.  
  286.     // the 3 panes panes compose the window
  287.     sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10);
  288.     sizerTop->Add(sizerMiddle, 0, wxGROW | wxALL, 10);
  289.     sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10);
  290.  
  291.     // final initializations
  292.     Reset();
  293.     CreateImageList();
  294.  
  295.     SetAutoLayout(TRUE);
  296.     SetSizer(sizerTop);
  297.  
  298.     sizerTop->Fit(this);
  299. }
  300.  
  301. NotebookWidgetsPage::~NotebookWidgetsPage()
  302. {
  303.     delete m_imageList;
  304. }
  305.  
  306. // ----------------------------------------------------------------------------
  307. // operations
  308. // ----------------------------------------------------------------------------
  309.  
  310. void NotebookWidgetsPage::Reset()
  311. {
  312.     m_chkImages->SetValue(TRUE);
  313.     m_radioOrient->SetSelection(Orient_Top);
  314. }
  315.  
  316. void NotebookWidgetsPage::CreateImageList()
  317. {
  318.     if ( m_chkImages->GetValue() )
  319.     {
  320.         if ( !m_imageList )
  321.         {
  322.             // create a dummy image list with a few icons
  323.             m_imageList = new wxImageList(32, 32);
  324.             wxSize size(32, 32);
  325.             m_imageList->Add(wxArtProvider::GetIcon(wxART_INFORMATION, wxART_OTHER, size));
  326.             m_imageList->Add(wxArtProvider::GetIcon(wxART_QUESTION, wxART_OTHER, size));
  327.             m_imageList->Add(wxArtProvider::GetIcon(wxART_WARNING, wxART_OTHER, size));
  328.             m_imageList->Add(wxArtProvider::GetIcon(wxART_ERROR, wxART_OTHER, size));
  329.         }
  330.  
  331.         m_notebook->SetImageList(m_imageList);
  332.     }
  333.     else // no images
  334.     {
  335.         if ( m_imageList )
  336.         {
  337.             delete m_imageList;
  338.             m_imageList = NULL;
  339.         }
  340.     }
  341.  
  342.     // because of the bug in wxMSW we can't use SetImageList(NULL) - although
  343.     // it would be logical if this removed the image list from notebook, under
  344.     // MSW it crashes instead
  345. }
  346.  
  347. void NotebookWidgetsPage::CreateNotebook()
  348. {
  349.     int flags;
  350.     switch ( m_radioOrient->GetSelection() )
  351.     {
  352.         default:
  353.             wxFAIL_MSG( _T("unknown notebok orientation") );
  354.             // fall through
  355.  
  356.         case Orient_Top:
  357.             flags = wxNB_TOP;
  358.             break;
  359.  
  360.         case Orient_Bottom:
  361.             flags = wxNB_BOTTOM;
  362.             break;
  363.  
  364.         case Orient_Left:
  365.             flags = wxNB_LEFT;
  366.             break;
  367.  
  368.         case Orient_Right:
  369.             flags = wxNB_RIGHT;
  370.             break;
  371.     }
  372.  
  373.     wxNotebook *notebook = m_notebook;
  374.  
  375.     m_notebook = new wxNotebook(this, NotebookPage_Notebook,
  376.                                 wxDefaultPosition, wxDefaultSize,
  377.                                 flags);
  378.  
  379.     CreateImageList();
  380.  
  381.     if ( notebook )
  382.     {
  383.         int sel = notebook->GetSelection();
  384.  
  385.         int count = notebook->GetPageCount();
  386.         for ( int n = 0; n < count; n++ )
  387.         {
  388.             wxNotebookPage *page = notebook->GetPage(0);
  389.             page->Reparent(m_notebook);
  390.  
  391.             m_notebook->AddPage(page, notebook->GetPageText(0), FALSE,
  392.                                 notebook->GetPageImage(0));
  393.  
  394.             notebook->RemovePage(0);
  395.         }
  396.  
  397.         m_sizerNotebook->Remove(notebook);
  398.         delete notebook;
  399.  
  400.         // restore selection
  401.         if ( sel != -1 )
  402.         {
  403.             m_notebook->SetSelection(sel);
  404.         }
  405.     }
  406.  
  407.     m_sizerNotebook->Add(m_notebook, 1, wxGROW | wxALL, 5);
  408.     m_sizerNotebook->Layout();
  409. }
  410.  
  411. // ----------------------------------------------------------------------------
  412. // helpers
  413. // ----------------------------------------------------------------------------
  414.  
  415. int NotebookWidgetsPage::GetTextValue(wxTextCtrl *text) const
  416. {
  417.     long pos;
  418.     if ( !text->GetValue().ToLong(&pos) )
  419.         pos = -1;
  420.  
  421.     return (int)pos;
  422. }
  423.  
  424. int NotebookWidgetsPage::GetIconIndex() const
  425. {
  426.     if ( m_imageList )
  427.     {
  428.        int nImages = m_imageList->GetImageCount();
  429.        if ( nImages > 0 )
  430.        {
  431.            return m_notebook->GetPageCount() % nImages;
  432.        }
  433.     }
  434.  
  435.     return -1;
  436. }
  437.  
  438. wxWindow *NotebookWidgetsPage::CreateNewPage()
  439. {
  440.     return new wxTextCtrl(m_notebook, -1, _T("I'm a notebook page"));
  441. }
  442.  
  443. // ----------------------------------------------------------------------------
  444. // event handlers
  445. // ----------------------------------------------------------------------------
  446.  
  447. void NotebookWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event))
  448. {
  449.     Reset();
  450.  
  451.     CreateNotebook();
  452. }
  453.  
  454. void NotebookWidgetsPage::OnButtonDeleteAll(wxCommandEvent& WXUNUSED(event))
  455. {
  456.     m_notebook->DeleteAllPages();
  457. }
  458.  
  459. void NotebookWidgetsPage::OnButtonSelectPage(wxCommandEvent& event)
  460. {
  461.     int pos = GetTextValue(m_textSelect);
  462.     wxCHECK_RET( pos >= 0, _T("button should be disabled") );
  463.  
  464.     m_notebook->SetSelection(pos);
  465. }
  466.  
  467. void NotebookWidgetsPage::OnButtonAddPage(wxCommandEvent& WXUNUSED(event))
  468. {
  469.     m_notebook->AddPage(CreateNewPage(), _T("Added page"), FALSE,
  470.                         GetIconIndex());
  471. }
  472.  
  473. void NotebookWidgetsPage::OnButtonInsertPage(wxCommandEvent& WXUNUSED(event))
  474. {
  475.     int pos = GetTextValue(m_textInsert);
  476.     wxCHECK_RET( pos >= 0, _T("button should be disabled") );
  477.  
  478.     m_notebook->InsertPage(pos, CreateNewPage(), _T("Inserted page"), FALSE,
  479.                            GetIconIndex());
  480. }
  481.  
  482. void NotebookWidgetsPage::OnButtonRemovePage(wxCommandEvent& WXUNUSED(event))
  483. {
  484.     int pos = GetTextValue(m_textRemove);
  485.     wxCHECK_RET( pos >= 0, _T("button should be disabled") );
  486.  
  487.     m_notebook->DeletePage(pos);
  488. }
  489.  
  490. void NotebookWidgetsPage::OnUpdateUISelectButton(wxUpdateUIEvent& event)
  491. {
  492.     event.Enable( GetTextValue(m_textSelect) >= 0 );
  493. }
  494.  
  495. void NotebookWidgetsPage::OnUpdateUIInsertButton(wxUpdateUIEvent& event)
  496. {
  497.     event.Enable( GetTextValue(m_textInsert) >= 0 );
  498. }
  499.  
  500. void NotebookWidgetsPage::OnUpdateUIRemoveButton(wxUpdateUIEvent& event)
  501. {
  502.     event.Enable( GetTextValue(m_textRemove) >= 0 );
  503. }
  504.  
  505. void NotebookWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event)
  506. {
  507.     event.Enable( !m_chkImages->GetValue() ||
  508.                   m_radioOrient->GetSelection() != wxNB_TOP );
  509. }
  510.  
  511. void NotebookWidgetsPage::OnUpdateUINumPagesText(wxUpdateUIEvent& event)
  512. {
  513.     event.SetText( wxString::Format(_T("%d"), m_notebook->GetPageCount()) );
  514. }
  515.  
  516. void NotebookWidgetsPage::OnUpdateUICurSelectText(wxUpdateUIEvent& event)
  517. {
  518.     event.SetText( wxString::Format(_T("%d"), m_notebook->GetSelection()) );
  519. }
  520.  
  521. void NotebookWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event)
  522. {
  523.     CreateNotebook();
  524. }
  525.  
  526. void NotebookWidgetsPage::OnPageChanging(wxNotebookEvent& event)
  527. {
  528.     wxLogMessage(_T("Notebook page changing from %d to %d (currently %d)."),
  529.                  event.GetOldSelection(),
  530.                  event.GetSelection(),
  531.                  m_notebook->GetSelection());
  532.  
  533.     event.Skip();
  534. }
  535.  
  536. void NotebookWidgetsPage::OnPageChanged(wxNotebookEvent& event)
  537. {
  538.     wxLogMessage(_T("Notebook page changed from %d to %d (currently %d)."),
  539.                  event.GetOldSelection(),
  540.                  event.GetSelection(),
  541.                  m_notebook->GetSelection());
  542.  
  543.     event.Skip();
  544. }
  545.  
  546. #endif