src/msw/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/checkbox.cpp
   3 // Purpose:     wxCheckBox
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "checkbox.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_CHECKBOX
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/checkbox.h"
  35     #include "wx/brush.h"
  36     #include "wx/dcscreen.h"
  37     #include "wx/settings.h"
  38 #endif
  39
  40 #include "wx/msw/private.h"
  41
  42 #ifndef BST_CHECKED
  43     #define BST_CHECKED 0x0001
  44 #endif
  45
  46 // ============================================================================
  47 // implementation
  48 // ============================================================================
  49
  50 #if wxUSE_EXTENDED_RTTI
  51 WX_DEFINE_FLAGS( wxCheckBoxStyle )
  52
  53 wxBEGIN_FLAGS( wxCheckBoxStyle )
  54     // new style border flags, we put them first to
  55     // use them for streaming out
  56     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
  57     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
  58     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
  59     wxFLAGS_MEMBER(wxBORDER_RAISED)
  60     wxFLAGS_MEMBER(wxBORDER_STATIC)
  61     wxFLAGS_MEMBER(wxBORDER_NONE)
  62
  63     // old style border flags
  64     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
  65     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
  66     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
  67     wxFLAGS_MEMBER(wxRAISED_BORDER)
  68     wxFLAGS_MEMBER(wxSTATIC_BORDER)
  69     wxFLAGS_MEMBER(wxBORDER)
  70
  71     // standard window styles
  72     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
  73     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
  74     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
  75     wxFLAGS_MEMBER(wxWANTS_CHARS)
  76     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
  77     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
  78     wxFLAGS_MEMBER(wxVSCROLL)
  79     wxFLAGS_MEMBER(wxHSCROLL)
  80
  81 wxEND_FLAGS( wxCheckBoxStyle )
  82
  83 IMPLEMENT_DYNAMIC_CLASS_XTI(wxCheckBox, wxControl,"wx/checkbox.h")
  84
  85 wxBEGIN_PROPERTIES_TABLE(wxCheckBox)
  86         wxEVENT_PROPERTY( Click , wxEVT_COMMAND_CHECKBOX_CLICKED , wxCommandEvent )
  87
  88         wxPROPERTY( Font , wxFont , SetFont , GetFont  , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  89         wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  90         wxPROPERTY( Value ,bool, SetValue, GetValue, , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  91     wxPROPERTY_FLAGS( WindowStyle , wxCheckBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
  92 wxEND_PROPERTIES_TABLE()
  93
  94 wxBEGIN_HANDLERS_TABLE(wxCheckBox)
  95 wxEND_HANDLERS_TABLE()
  96
  97 wxCONSTRUCTOR_6( wxCheckBox , wxWindow* , Parent , wxWindowID , Id , wxString , Label , wxPoint , Position , wxSize , Size , long , WindowStyle )
  98 #else
  99 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
 100 #endif
 101
 102
 103 // ----------------------------------------------------------------------------
 104 // wxCheckBox
 105 // ----------------------------------------------------------------------------
 106
 107 bool wxCheckBox::MSWCommand(WXUINT WXUNUSED(param), WXWORD WXUNUSED(id))
 108 {
 109     wxCommandEvent event(wxEVT_COMMAND_CHECKBOX_CLICKED, m_windowId);
 110     event.SetInt(GetValue());
 111     event.SetEventObject(this);
 112     ProcessCommand(event);
 113     return TRUE;
 114 }
 115
 116 bool wxCheckBox::Create(wxWindow *parent,
 117                         wxWindowID id,
 118                         const wxString& label,
 119                         const wxPoint& pos,
 120                         const wxSize& size, long style,
 121                         const wxValidator& validator,
 122                         const wxString& name)
 123 {
 124     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
 125         return FALSE;
 126
 127     long msStyle = BS_AUTOCHECKBOX | WS_TABSTOP;
 128     if ( style & wxALIGN_RIGHT )
 129         msStyle |= BS_LEFTTEXT;
 130
 131     return MSWCreateControl(wxT("BUTTON"), msStyle, pos, size, label, 0);
 132 }
 133
 134 void wxCheckBox::SetLabel(const wxString& label)
 135 {
 136     SetWindowText(GetHwnd(), label);
 137 }
 138
 139 wxSize wxCheckBox::DoGetBestSize() const
 140 {
 141     static int s_checkSize = 0;
 142
 143     if ( !s_checkSize )
 144     {
 145         wxScreenDC dc;
 146         dc.SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 147
 148         s_checkSize = dc.GetCharHeight();
 149     }
 150
 151     wxString str = wxGetWindowText(GetHWND());
 152
 153     int wCheckbox, hCheckbox;
 154     if ( !str.IsEmpty() )
 155     {
 156         GetTextExtent(str, &wCheckbox, &hCheckbox);
 157         wCheckbox += s_checkSize + GetCharWidth();
 158
 159         if ( hCheckbox < s_checkSize )
 160             hCheckbox = s_checkSize;
 161     }
 162     else
 163     {
 164         wCheckbox = s_checkSize;
 165         hCheckbox = s_checkSize;
 166     }
 167
 168     return wxSize(wCheckbox, hCheckbox);
 169 }
 170
 171 void wxCheckBox::SetValue(bool val)
 172 {
 173     SendMessage(GetHwnd(), BM_SETCHECK, val, 0);
 174 }
 175
 176 bool wxCheckBox::GetValue() const
 177 {
 178     return (SendMessage(GetHwnd(), BM_GETCHECK, 0, 0) & BST_CHECKED) != 0;
 179 }
 180
 181 void wxCheckBox::Command(wxCommandEvent& event)
 182 {
 183     SetValue(event.GetInt() != 0);
 184     ProcessCommand(event);
 185 }
 186
 187 #endif // wxUSE_CHECKBOX