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