samples/checklst/checklst.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        checklst.cpp
   3 // Purpose:     wxCheckListBox sample
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13.11.97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 //#pragma implementation
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20   #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24   #include "wx/wx.h"
  25 #endif
  26
  27 #ifdef __WXMSW__
  28 #include  "wx/ownerdrw.h"
  29 #endif
  30 #include  "wx/menuitem.h"
  31 #include  "wx/checklst.h"
  32
  33 // Define a new application type
  34 class CheckListBoxApp: public wxApp
  35 {
  36 public:
  37   bool OnInit();
  38 };
  39
  40 // Define a new frame type
  41 class CheckListBoxFrame : public wxFrame
  42 {
  43 public:
  44   // ctor & dtor
  45   CheckListBoxFrame(wxFrame *frame, char *title, int x, int y, int w, int h);
  46   ~CheckListBoxFrame();
  47
  48   // notifications
  49   void OnQuit             (wxCommandEvent& event);
  50   void OnAbout            (wxCommandEvent& event);
  51   void OnListboxSelect    (wxCommandEvent& event);
  52   void OnCheckboxToggle   (wxCommandEvent& event);
  53   void OnListboxDblClick  (wxCommandEvent& event);
  54   bool OnClose            ()                        { return TRUE; }
  55
  56   DECLARE_EVENT_TABLE()
  57
  58 private:
  59   wxCheckListBox *m_pListBox;
  60 };
  61
  62 enum
  63 {
  64   Menu_Quit = 1,
  65   Control_First = 1000,
  66   Control_Listbox, Control_Listbox2,
  67 };
  68
  69 BEGIN_EVENT_TABLE(CheckListBoxFrame, wxFrame)
  70   EVT_MENU(Menu_Quit, CheckListBoxFrame::OnQuit)
  71   EVT_LISTBOX(Control_Listbox, CheckListBoxFrame::OnListboxSelect)
  72   EVT_CHECKLISTBOX(Control_Listbox, CheckListBoxFrame::OnCheckboxToggle)
  73   EVT_LISTBOX_DCLICK(Control_Listbox, CheckListBoxFrame::OnListboxDblClick)
  74 END_EVENT_TABLE()
  75
  76 IMPLEMENT_APP(CheckListBoxApp);
  77
  78 // init our app: create windows
  79 bool CheckListBoxApp::OnInit(void)
  80 {
  81   CheckListBoxFrame *pFrame = new CheckListBoxFrame(NULL, "wxWindows Ownerdraw Sample",
  82                                                 50, 50, 450, 320);
  83   SetTopWindow(pFrame);
  84
  85   return TRUE;
  86 }
  87
  88 // main frame constructor
  89 CheckListBoxFrame::CheckListBoxFrame(wxFrame *frame, char *title, int x, int y, int w, int h)
  90          : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
  91 {
  92   // create the status line
  93   const int widths[] = { -1, 60 };
  94   CreateStatusBar(2);
  95   SetStatusWidths(2, widths);
  96   SetStatusText("no selection", 0);
  97
  98   // Make a menubar
  99   wxMenu *file_menu = new wxMenu;
 100
 101   // construct submenu
 102   file_menu->Append(Menu_Quit, "E&xit");
 103
 104   wxMenuBar *menu_bar = new wxMenuBar;
 105   menu_bar->Append(file_menu, "&File");
 106   SetMenuBar(menu_bar);
 107
 108   // make a panel with some controls
 109   wxPanel *pPanel = new wxPanel(this, -1, wxPoint(0, 0),
 110                                 wxSize(400, 200), wxTAB_TRAVERSAL);
 111
 112   // check list box
 113   static const char* aszChoices[] = { "Hello", "world", "and",
 114                                       "goodbye", "cruel", "world",
 115                                       "-------", "owner-drawn", "listbox" };
 116
 117   wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 118   unsigned int ui;
 119   for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 120     astrChoices[ui] = aszChoices[ui];
 121
 122   m_pListBox = new wxCheckListBox
 123                    (
 124                      pPanel,             // parent
 125                      Control_Listbox,    // control id
 126                      wxPoint(10, 10),    // listbox poistion
 127                      wxSize(400, 200),   // listbox size
 128                      WXSIZEOF(aszChoices), // number of strings
 129                      astrChoices         // array of strings
 130                    );
 131
 132   delete [] astrChoices;
 133
 134   // not implemented in wxGTK yet
 135 #ifndef __WXGTK__
 136   for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 ) {
 137     m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 138   }
 139 #endif // wxGTK
 140
 141   m_pListBox->Check(2);
 142
 143   Show(TRUE);
 144 }
 145
 146 CheckListBoxFrame::~CheckListBoxFrame()
 147 {
 148 }
 149
 150 void CheckListBoxFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 151 {
 152   Close(TRUE);
 153 }
 154
 155 void CheckListBoxFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 156 {
 157   wxMessageDialog dialog(this, "Demo of wxCheckListBox control\n"
 158                          "About wxCheckListBox", wxYES_NO | wxCANCEL);
 159   dialog.ShowModal();
 160 }
 161
 162 void CheckListBoxFrame::OnListboxSelect(wxCommandEvent& event)
 163 {
 164   wxString strSelection;
 165   unsigned int nSel = event.GetSelection();
 166   strSelection.sprintf("item %d selected (%schecked)", nSel,
 167                        m_pListBox->IsChecked((int)nSel) ? "" : "not ");
 168   SetStatusText(strSelection);
 169 }
 170
 171 void CheckListBoxFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
 172 {
 173   wxString strSelection;
 174   strSelection.sprintf("item %d double clicked", m_pListBox->GetSelection());
 175   wxMessageDialog dialog(this, strSelection);
 176   dialog.ShowModal();
 177 }
 178
 179 void CheckListBoxFrame::OnCheckboxToggle(wxCommandEvent& event)
 180 {
 181   wxString strSelection;
 182   unsigned int nItem = event.GetInt();
 183
 184   strSelection.sprintf("item %d was %schecked", nItem,
 185                        m_pListBox->IsChecked(nItem) ? "" : "un");
 186   SetStatusText(strSelection);
 187 }