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