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     wxString label1(wxStripMenuCodes(label));
  67     wxXmString text( label1 );
  68
  69     Widget parentWidget = (Widget) parent->GetClientWidget();
  70
  71     m_mainWidget = (WXWidget) XtVaCreateManagedWidget ("toggle",
  72         xmToggleButtonWidgetClass, parentWidget,
  73         wxFont::GetFontTag(), m_font.GetFontTypeC(XtDisplay(parentWidget)),
  74         XmNlabelString, text(),
  75         XmNrecomputeSize, False,
  76         // XmNindicatorOn, XmINDICATOR_CHECK_BOX,
  77         // XmNfillOnSelect, False,
  78 #if wxHAS_3STATE
  79         XmNtoggleMode, Is3State() ? XmTOGGLE_INDETERMINATE : XmTOGGLE_BOOLEAN,
  80 #endif
  81         NULL);
  82
  83     XtAddCallback( (Widget)m_mainWidget,
  84                    XmNvalueChangedCallback, (XtCallbackProc)wxCheckBoxCallback,
  85                    (XtPointer)this );
  86
  87     XmToggleButtonSetState ((Widget) m_mainWidget, False, True);
  88
  89     AttachWidget( parent, m_mainWidget, (WXWidget)NULL,
  90                   pos.x, pos.y, size.x, size.y );
  91
  92     ChangeBackgroundColour();
  93     return true;
  94 }
  95
  96 void wxCheckBox::SetValue(bool val)
  97 {
  98     if (val)
  99     {
 100         Set3StateValue(wxCHK_CHECKED);
 101     }
 102     else
 103     {
 104         Set3StateValue(wxCHK_UNCHECKED);
 105     }
 106 }
 107
 108 bool wxCheckBox::GetValue() const
 109 {
 110     return (Get3StateValue() != 0);
 111 }
 112
 113 void wxCheckBox::Command (wxCommandEvent & event)
 114 {
 115     int state = event.GetInt();
 116     wxCHECK_RET( (state == wxCHK_UNCHECKED) || (state == wxCHK_CHECKED)
 117         || (state == wxCHK_UNDETERMINED),
 118         wxT("event.GetInt() returned an invalid checkbox state") );
 119
 120     Set3StateValue((wxCheckBoxState) state);
 121     ProcessCommand(event);
 122 }
 123
 124 void wxCheckBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
 125                          XtPointer WXUNUSED(ptr))
 126 {
 127     wxCheckBox *item = (wxCheckBox *) clientData;
 128
 129     if (item->InSetValue())
 130         return;
 131
 132     wxCheckBoxState state = item->Get3StateValue();
 133
 134     if( !item->Is3rdStateAllowedForUser() && state == wxCHK_UNDETERMINED )
 135     {
 136         state = wxCHK_UNCHECKED;
 137         item->Set3StateValue( state );
 138     }
 139
 140     wxCommandEvent event( item->m_evtType, item->GetId() );
 141     event.SetInt( (int)state );
 142     event.SetEventObject( item );
 143     item->ProcessCommand( event );
 144 }
 145
 146 void wxCheckBox::ChangeBackgroundColour()
 147 {
 148     wxComputeColours (XtDisplay((Widget) m_mainWidget), & m_backgroundColour,
 149         (wxColour*) NULL);
 150
 151     XtVaSetValues ((Widget) m_mainWidget,
 152         XmNbackground, g_itemColors[wxBACK_INDEX].pixel,
 153         XmNtopShadowColor, g_itemColors[wxTOPS_INDEX].pixel,
 154         XmNbottomShadowColor, g_itemColors[wxBOTS_INDEX].pixel,
 155         XmNforeground, g_itemColors[wxFORE_INDEX].pixel,
 156         NULL);
 157
 158     wxColour colour = *wxBLACK;
 159     int selectPixel = colour.AllocColour(XtDisplay((Widget)m_mainWidget));
 160
 161     // Better to have the checkbox selection in black, or it's
 162     // hard to determine what state it is in.
 163     XtVaSetValues ((Widget) m_mainWidget,
 164            XmNselectColor, selectPixel,
 165         NULL);
 166 }
 167
 168 void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
 169 {
 170     m_inSetValue = true;
 171
 172 #if wxHAS_3STATE
 173     unsigned char value;
 174
 175     switch (state)
 176     {
 177     case wxCHK_UNCHECKED: value = XmUNSET; break;
 178     case wxCHK_CHECKED: value = XmSET; break;
 179     case wxCHK_UNDETERMINED: value = XmINDETERMINATE; break;
 180     default: wxASSERT(0); return;
 181     }
 182
 183     XtVaSetValues( (Widget) m_mainWidget,
 184                    XmNset, value,
 185                    NULL );
 186 #else
 187     XmToggleButtonSetState ((Widget) m_mainWidget,
 188                             state == wxCHK_CHECKED, True);
 189 #endif
 190
 191     m_inSetValue = false;
 192 }
 193
 194 wxCheckBoxState wxCheckBox::DoGet3StateValue() const
 195 {
 196 #if wxHAS_3STATE
 197     unsigned char value = 0;
 198
 199     XtVaGetValues( (Widget) m_mainWidget,
 200                    XmNset, &value,
 201                    NULL );
 202
 203     switch (value)
 204     {
 205     case XmUNSET: return wxCHK_UNCHECKED;
 206     case XmSET: return wxCHK_CHECKED;
 207     case XmINDETERMINATE: return wxCHK_UNDETERMINED;
 208     }
 209
 210     // impossible...
 211     return wxCHK_UNDETERMINED;
 212 #else
 213     return wxCheckBoxState(XmToggleButtonGetState ((Widget) m_mainWidget));
 214 #endif
 215 }
 216
 217 ///////////////////////////////////////////////////////////////////////////////
 218 // wxToggleButton
 219 ///////////////////////////////////////////////////////////////////////////////
 220
 221 #if wxUSE_TOGGLEBTN
 222
 223 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED)
 224 IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl)
 225
 226 bool wxToggleButton::Create( wxWindow* parent, wxWindowID id,
 227                              const wxString& label,
 228                              const wxPoint& pos,
 229                              const wxSize& size,
 230                              long style,
 231                              const wxValidator& val,
 232                              const wxString &name )
 233 {
 234     if( !wxCheckBox::Create( parent, id, label, pos, size, style, val, name ) )
 235         return false;
 236
 237     XtVaSetValues( (Widget)m_mainWidget,
 238                    XmNindicatorSize, 0,
 239 #if XmVersion >= 2000
 240                    XmNindicatorOn, XmINDICATOR_NONE,
 241 #else
 242                    XmNindicatorOn, False,
 243 #endif
 244                    XmNfillOnSelect, False,
 245                    XmNshadowThickness, 2,
 246                    XmNalignment, XmALIGNMENT_CENTER,
 247                    XmNmarginLeft, 0,
 248                    XmNmarginRight, 0,
 249                    NULL );
 250
 251     // set it again, because the XtVaSetValue above resets it
 252     if( size.x != -1 || size.y != -1 )
 253         SetSize( size );
 254
 255     return true;
 256 }
 257
 258 #endif // wxUSE_TOGGLEBUTTON