samples/widgets/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Program:     wxWindows Widgets Sample
   3 // Name:        checkbox.cpp
   4 // Purpose:     Part of the widgets sample showing wxCheckBox
   5 // Author:      Dimitri Schoolwerth
   6 // Created:     27 Sep 2003
   7 // Id:          $Id$
   8 // Copyright:   (c) 2003 wxWindows team
   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/bitmap.h"
  33     #include "wx/button.h"
  34     #include "wx/checkbox.h"
  35
  36     #include "wx/sizer.h"
  37
  38 #endif
  39
  40 #include "widgets.h"
  41
  42 #include "icons/checkbox.xpm"
  43
  44 // ----------------------------------------------------------------------------
  45 // CheckBoxWidgetsPage
  46 // ----------------------------------------------------------------------------
  47
  48 class CheckBoxWidgetsPage : public WidgetsPage
  49 {
  50 public:
  51     CheckBoxWidgetsPage(wxNotebook *notebook, wxImageList *imaglist);
  52     virtual ~CheckBoxWidgetsPage();
  53
  54 protected:
  55     // event handlers
  56     void OnCheckBox(wxCommandEvent& event);
  57
  58     void OnButton(wxCommandEvent& event);
  59
  60     // the controls
  61     // ------------
  62
  63     wxCheckBox *m_chk2States,
  64                *m_chk3States,
  65                *m_chk3StatesAllows3rdStateForUser;
  66
  67     wxButton *m_button;
  68
  69 private:
  70     DECLARE_EVENT_TABLE()
  71     DECLARE_WIDGETS_PAGE(CheckBoxWidgetsPage)
  72 };
  73
  74 // ----------------------------------------------------------------------------
  75 // event tables
  76 // ----------------------------------------------------------------------------
  77
  78 BEGIN_EVENT_TABLE(CheckBoxWidgetsPage, WidgetsPage)
  79     EVT_CHECKBOX(wxID_ANY, CheckBoxWidgetsPage::OnCheckBox)
  80     EVT_BUTTON(wxID_ANY, CheckBoxWidgetsPage::OnButton)
  81 END_EVENT_TABLE()
  82
  83 // ============================================================================
  84 // implementation
  85 // ============================================================================
  86
  87 IMPLEMENT_WIDGETS_PAGE(CheckBoxWidgetsPage, wxT("CheckBox"));
  88
  89 CheckBoxWidgetsPage::CheckBoxWidgetsPage(wxNotebook *notebook,
  90                                        wxImageList *imaglist)
  91                   : WidgetsPage(notebook)
  92 {
  93     imaglist->Add(wxBitmap(checkbox_xpm));
  94
  95     m_chk2States = new wxCheckBox( this, wxID_ANY,
  96         wxT("I'm a standard 2-state checkbox") );
  97     m_chk3States = new wxCheckBox( this, wxID_ANY,
  98         wxT("I'm a 3-state checkbox that disallows setting the undetermined")
  99         wxT(" state by the user" ),
 100         wxDefaultPosition, wxDefaultSize, wxCHK_3STATE);
 101     m_button = new wxButton( this, wxID_ANY, wxT("&Programmatically set this")
 102         wxT(" checkbox to undetermined state") );
 103
 104     m_chk3StatesAllows3rdStateForUser = new wxCheckBox(this, wxID_ANY,
 105         wxT("I'm a 3-state checkbox that allows setting the 3rd state by the user"),
 106         wxDefaultPosition, wxDefaultSize, wxCHK_3STATE
 107         | wxCHK_ALLOW_3RD_STATE_FOR_USER);
 108
 109     wxSizer *sizerTop = new wxBoxSizer(wxVERTICAL);
 110
 111     sizerTop->Add(0, 0, 1, wxEXPAND);
 112     sizerTop->Add(m_chk2States, 0, wxEXPAND);
 113     sizerTop->Add(0, 0, 1, wxEXPAND);
 114     wxSizer *sizerCheckBoxAndButton = new wxBoxSizer(wxHORIZONTAL);
 115     {
 116         wxSizer *szr = sizerCheckBoxAndButton;
 117         szr->Add(m_chk3States, 0, wxEXPAND);
 118         szr->Add(0, 0, 1, wxEXPAND);
 119         szr->Add(m_button, 0, wxEXPAND);
 120
 121         sizerTop->Add(szr, 0, wxEXPAND);
 122     }
 123
 124     sizerTop->Add(0, 0, 1, wxEXPAND);
 125     sizerTop->Add(m_chk3StatesAllows3rdStateForUser, 0, wxEXPAND);
 126     sizerTop->Add(0, 0, 1, wxEXPAND);
 127
 128     SetSizer(sizerTop);
 129
 130     sizerTop->Fit(this);
 131 }
 132
 133 CheckBoxWidgetsPage::~CheckBoxWidgetsPage()
 134 {
 135 }
 136
 137 // ----------------------------------------------------------------------------
 138 // event handlers
 139 // ----------------------------------------------------------------------------
 140
 141 void CheckBoxWidgetsPage::OnCheckBox(wxCommandEvent& event)
 142 {
 143     static const wxString stateNames[] =
 144     {
 145         wxT("unchecked"),
 146         wxT("checked"),
 147         wxT("undetermined/mixed"),
 148     };
 149     wxCheckBoxState state = (wxCheckBoxState) event.GetInt();
 150
 151     wxCHECK_RET( (state >= (wxCheckBoxState)0) && (state < (wxCheckBoxState)WXSIZEOF(stateNames)),
 152         _T("event.GetInt() returned an invalid wxCheckBoxState") );
 153
 154     wxLogMessage(wxT("Checkbox now set to state: %s"),
 155         stateNames[state].c_str());
 156 }
 157
 158 void CheckBoxWidgetsPage::OnButton(wxCommandEvent& WXUNUSED(event))
 159 {
 160     m_chk3States->Set3StateValue(wxCHK_UNDETERMINED);
 161 }