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