src/motif/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/checkbox.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/utils.h"
  19 #endif
  20
  21 #include "wx/tglbtn.h"
  22
  23 #ifdef __VMS__
  24 #pragma message disable nosimpint
  25 #endif
  26 #include <Xm/Label.h>
  27 #include <Xm/LabelG.h>
  28 #include <Xm/ToggleB.h>
  29 #include <Xm/ToggleBG.h>
  30 #ifdef __VMS__
  31 #pragma message enable nosimpint
  32 #endif
  33
  34 #include "wx/motif/private.h"
  35
  36 // define symbols that are missing in old versions of Motif.
  37 #if wxCHECK_MOTIF_VERSION( 2, 0 )
  38     #define wxHAS_3STATE 1
  39 #else
  40     #define wxHAS_3STATE 0
  41 #endif
  42
  43 #include "wx/motif/private.h"
  44
  45 void wxCheckBoxCallback (Widget w, XtPointer clientData,
  46                          XtPointer ptr);
  47
  48 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
  49
  50 // Single check box item
  51 bool wxCheckBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  52                         const wxPoint& pos,
  53                         const wxSize& size, long style,
  54                         const wxValidator& validator,
  55                         const wxString& name)
  56 {
  57     if( !wxControl::CreateControl( parent, id, pos, size, style, validator,
  58                                    name ) )
  59         return false;
  60     PreCreation();
  61
  62     wxXmString text( GetLabelText(label) );
  63
  64     Widget parentWidget = (Widget) parent->GetClientWidget();
  65
  66     m_mainWidget = (WXWidget) XtVaCreateManagedWidget ("toggle",
  67         xmToggleButtonWidgetClass, parentWidget,
  68         wxFont::GetFontTag(), m_font.GetFontTypeC(XtDisplay(parentWidget)),
  69         XmNlabelString, text(),
  70         XmNrecomputeSize, False,
  71         // XmNindicatorOn, XmINDICATOR_CHECK_BOX,
  72         // XmNfillOnSelect, False,
  73 #if wxHAS_3STATE
  74         XmNtoggleMode, Is3State() ? XmTOGGLE_INDETERMINATE : XmTOGGLE_BOOLEAN,
  75 #endif
  76         NULL);
  77
  78     XtAddCallback( (Widget)m_mainWidget,
  79                    XmNvalueChangedCallback, (XtCallbackProc)wxCheckBoxCallback,
  80                    (XtPointer)this );
  81
  82     XmToggleButtonSetState ((Widget) m_mainWidget, False, True);
  83
  84     PostCreation();
  85     AttachWidget( parent, m_mainWidget, (WXWidget)NULL,
  86                   pos.x, pos.y, size.x, size.y );
  87
  88     return true;
  89 }
  90
  91 void wxCheckBox::SetValue(bool val)
  92 {
  93     if (val)
  94     {
  95         Set3StateValue(wxCHK_CHECKED);
  96     }
  97     else
  98     {
  99         Set3StateValue(wxCHK_UNCHECKED);
 100     }
 101 }
 102
 103 bool wxCheckBox::GetValue() const
 104 {
 105     return (Get3StateValue() != 0);
 106 }
 107
 108 void wxCheckBox::Command (wxCommandEvent & event)
 109 {
 110     int state = event.GetInt();
 111     wxCHECK_RET( (state == wxCHK_UNCHECKED) || (state == wxCHK_CHECKED)
 112         || (state == wxCHK_UNDETERMINED),
 113         wxT("event.GetInt() returned an invalid checkbox state") );
 114
 115     Set3StateValue((wxCheckBoxState) state);
 116     ProcessCommand(event);
 117 }
 118
 119 void wxCheckBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
 120                          XtPointer WXUNUSED(ptr))
 121 {
 122     wxCheckBox *item = (wxCheckBox *) clientData;
 123
 124     if (item->InSetValue())
 125         return;
 126
 127     wxCheckBoxState state = item->Get3StateValue();
 128
 129     if( !item->Is3rdStateAllowedForUser() && state == wxCHK_UNDETERMINED )
 130     {
 131         state = wxCHK_UNCHECKED;
 132         item->Set3StateValue( state );
 133     }
 134
 135     wxCommandEvent event( item->m_evtType, item->GetId() );
 136     event.SetInt( (int)state );
 137     event.SetEventObject( item );
 138     item->ProcessCommand( event );
 139 }
 140
 141 void wxCheckBox::ChangeBackgroundColour()
 142 {
 143     if (!m_backgroundColour.Ok())
 144         return;
 145
 146     wxComputeColours (XtDisplay((Widget) m_mainWidget), & m_backgroundColour,
 147         NULL);
 148
 149     XtVaSetValues ((Widget) m_mainWidget,
 150         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
 151         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
 152         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
 153         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
 154         NULL);
 155
 156     wxColour colour = *wxBLACK;
 157     WXPixel selectPixel = colour.AllocColour(XtDisplay((Widget)m_mainWidget));
 158
 159     // Better to have the checkbox selection in black, or it's
 160     // hard to determine what state it is in.
 161     XtVaSetValues ((Widget) m_mainWidget,
 162            XmNselectColor, selectPixel,
 163            NULL);
 164 }
 165
 166 void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
 167 {
 168     m_inSetValue = true;
 169
 170 #if wxHAS_3STATE
 171     unsigned char value;
 172
 173     switch (state)
 174     {
 175     case wxCHK_UNCHECKED: value = XmUNSET; break;
 176     case wxCHK_CHECKED: value = XmSET; break;
 177     case wxCHK_UNDETERMINED: value = XmINDETERMINATE; break;
 178     default: wxASSERT(0); return;
 179     }
 180
 181     XtVaSetValues( (Widget) m_mainWidget,
 182                    XmNset, value,
 183                    NULL );
 184 #else
 185     XmToggleButtonSetState ((Widget) m_mainWidget,
 186                             state == wxCHK_CHECKED, True);
 187 #endif
 188
 189     m_inSetValue = false;
 190 }
 191
 192 wxCheckBoxState wxCheckBox::DoGet3StateValue() const
 193 {
 194 #if wxHAS_3STATE
 195     unsigned char value = 0;
 196
 197     XtVaGetValues( (Widget) m_mainWidget,
 198                    XmNset, &value,
 199                    NULL );
 200
 201     switch (value)
 202     {
 203     case XmUNSET: return wxCHK_UNCHECKED;
 204     case XmSET: return wxCHK_CHECKED;
 205     case XmINDETERMINATE: return wxCHK_UNDETERMINED;
 206     }
 207
 208     // impossible...
 209     return wxCHK_UNDETERMINED;
 210 #else
 211     return wxCheckBoxState(XmToggleButtonGetState ((Widget) m_mainWidget));
 212 #endif
 213 }
 214
 215 ///////////////////////////////////////////////////////////////////////////////
 216 // wxToggleButton
 217 ///////////////////////////////////////////////////////////////////////////////
 218
 219 #if wxUSE_TOGGLEBTN
 220
 221 wxDEFINE_EVENT( wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, wxCommandEvent );
 222 IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl)
 223
 224 bool wxToggleButton::Create( wxWindow* parent, wxWindowID id,
 225                              const wxString& label,
 226                              const wxPoint& pos,
 227                              const wxSize& size,
 228                              long style,
 229                              const wxValidator& val,
 230                              const wxString &name )
 231 {
 232     if( !wxCheckBox::Create( parent, id, label, pos, size, style, val, name ) )
 233         return false;
 234
 235     XtVaSetValues( (Widget)m_mainWidget,
 236                    XmNindicatorSize, 0,
 237 #if XmVersion >= 2000
 238                    XmNindicatorOn, XmINDICATOR_NONE,
 239 #else
 240                    XmNindicatorOn, False,
 241 #endif
 242                    XmNfillOnSelect, False,
 243                    XmNshadowThickness, 2,
 244                    XmNalignment, XmALIGNMENT_CENTER,
 245                    XmNmarginLeft, 0,
 246                    XmNmarginRight, 0,
 247                    NULL );
 248
 249     // set it again, because the XtVaSetValue above resets it
 250     if( size.x != -1 || size.y != -1 )
 251         SetSize( size );
 252
 253     return true;
 254 }
 255
 256 #endif // wxUSE_TOGGLEBTN