src/motif/checkbox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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/defs.h"
  20
  21 #include "wx/checkbox.h"
  22 #include "wx/tglbtn.h"
  23 #include "wx/utils.h"
  24
  25 #ifdef __VMS__
  26 #pragma message disable nosimpint
  27 #endif
  28 #include <Xm/Label.h>
  29 #include <Xm/LabelG.h>
  30 #include <Xm/ToggleB.h>
  31 #include <Xm/ToggleBG.h>
  32 #ifdef __VMS__
  33 #pragma message enable nosimpint
  34 #endif
  35
  36 #include "wx/motif/private.h"
  37
  38 // define symbols that are missing in old versions of Motif.
  39 #if wxCHECK_MOTIF_VERSION( 2, 0 )
  40     #define wxHAS_3STATE 1
  41 #else
  42     #define wxHAS_3STATE 0
  43 #endif
  44
  45
  46 #include "wx/motif/private.h"
  47
  48 void wxCheckBoxCallback (Widget w, XtPointer clientData,
  49                          XtPointer ptr);
  50
  51 IMPLEMENT_DYNAMIC_CLASS(wxCheckBox, wxControl)
  52
  53 // Single check box item
  54 bool wxCheckBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  55                         const wxPoint& pos,
  56                         const wxSize& size, long style,
  57                         const wxValidator& validator,
  58                         const wxString& name)
  59 {
  60     if( !wxControl::CreateControl( parent, id, pos, size, style, validator,
  61                                    name ) )
  62         return false;
  63
  64     wxString label1(wxStripMenuCodes(label));
  65     wxXmString text( label1 );
  66
  67     Widget parentWidget = (Widget) parent->GetClientWidget();
  68
  69     m_mainWidget = (WXWidget) XtVaCreateManagedWidget ("toggle",
  70         xmToggleButtonWidgetClass, parentWidget,
  71         wxFont::GetFontTag(), m_font.GetFontTypeC(XtDisplay(parentWidget)),
  72         XmNlabelString, text(),
  73         XmNrecomputeSize, False,
  74         // XmNindicatorOn, XmINDICATOR_CHECK_BOX,
  75         // XmNfillOnSelect, False,
  76 #if wxHAS_3STATE
  77         XmNtoggleMode, Is3State() ? XmTOGGLE_INDETERMINATE : XmTOGGLE_BOOLEAN,
  78 #endif
  79         NULL);
  80
  81     XtAddCallback( (Widget)m_mainWidget,
  82                    XmNvalueChangedCallback, (XtCallbackProc)wxCheckBoxCallback,
  83                    (XtPointer)this );
  84
  85     XmToggleButtonSetState ((Widget) m_mainWidget, False, True);
  86
  87     AttachWidget( parent, m_mainWidget, (WXWidget)NULL,
  88                   pos.x, pos.y, size.x, size.y );
  89
  90     ChangeBackgroundColour();
  91     return true;
  92 }
  93
  94 void wxCheckBox::SetValue(bool val)
  95 {
  96     if (val)
  97     {
  98         Set3StateValue(wxCHK_CHECKED);
  99     }
 100     else
 101     {
 102         Set3StateValue(wxCHK_UNCHECKED);
 103     }
 104 }
 105
 106 bool wxCheckBox::GetValue() const
 107 {
 108     return (Get3StateValue() != 0);
 109 }
 110
 111 void wxCheckBox::Command (wxCommandEvent & event)
 112 {
 113     int state = event.GetInt();
 114     wxCHECK_RET( (state == wxCHK_UNCHECKED) || (state == wxCHK_CHECKED)
 115         || (state == wxCHK_UNDETERMINED),
 116         wxT("event.GetInt() returned an invalid checkbox state") );
 117
 118     Set3StateValue((wxCheckBoxState) state);
 119     ProcessCommand(event);
 120 }
 121
 122 void wxCheckBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
 123                          XtPointer WXUNUSED(ptr))
 124 {
 125     wxCheckBox *item = (wxCheckBox *) clientData;
 126
 127     if (item->InSetValue())
 128         return;
 129
 130     wxCheckBoxState state = item->Get3StateValue();
 131
 132     if( !item->Is3rdStateAllowedForUser() && state == wxCHK_UNDETERMINED )
 133     {
 134         state = wxCHK_UNCHECKED;
 135         item->Set3StateValue( state );
 136     }
 137
 138     wxCommandEvent event( item->m_evtType, item->GetId() );
 139     event.SetInt( (int)state );
 140     event.SetEventObject( item );
 141     item->ProcessCommand( event );
 142 }
 143
 144 void wxCheckBox::ChangeBackgroundColour()
 145 {
 146     wxComputeColours (XtDisplay((Widget) m_mainWidget), & m_backgroundColour,
 147         (wxColour*) 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     int selectPixel = wxBLACK->AllocColour(XtDisplay((Widget)m_mainWidget));
 157
 158     // Better to have the checkbox selection in black, or it's
 159     // hard to determine what state it is in.
 160     XtVaSetValues ((Widget) m_mainWidget,
 161            XmNselectColor, selectPixel,
 162         NULL);
 163 }
 164
 165 void wxCheckBox::DoSet3StateValue(wxCheckBoxState state)
 166 {
 167     m_inSetValue = true;
 168
 169 #if wxHAS_3STATE
 170     unsigned char value;
 171
 172     switch (state)
 173     {
 174     case wxCHK_UNCHECKED: value = XmUNSET; break;
 175     case wxCHK_CHECKED: value = XmSET; break;
 176     case wxCHK_UNDETERMINED: value = XmINDETERMINATE; break;
 177     default: wxASSERT(0); return;
 178     }
 179
 180     XtVaSetValues( (Widget) m_mainWidget,
 181                    XmNset, value,
 182                    NULL );
 183 #else
 184     XmToggleButtonSetState ((Widget) m_mainWidget,
 185                             state == wxCHK_CHECKED, True);
 186 #endif
 187
 188     m_inSetValue = false;
 189 }
 190
 191 wxCheckBoxState wxCheckBox::DoGet3StateValue() const
 192 {
 193 #if wxHAS_3STATE
 194     unsigned char value = 0;
 195
 196     XtVaGetValues( (Widget) m_mainWidget,
 197                    XmNset, &value,
 198                    NULL );
 199
 200     switch (value)
 201     {
 202     case XmUNSET: return wxCHK_UNCHECKED;
 203     case XmSET: return wxCHK_CHECKED;
 204     case XmINDETERMINATE: return wxCHK_UNDETERMINED;
 205     }
 206
 207     // impossible...
 208     return wxCHK_UNDETERMINED;
 209 #else
 210     return wxCheckBoxState(XmToggleButtonGetState ((Widget) m_mainWidget));
 211 #endif
 212 }
 213
 214 ///////////////////////////////////////////////////////////////////////////////
 215 // wxToggleButton
 216 ///////////////////////////////////////////////////////////////////////////////
 217
 218 #if wxUSE_TOGGLEBTN
 219
 220 DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED)
 221 IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl)
 222
 223 bool wxToggleButton::Create( wxWindow* parent, wxWindowID id,
 224                              const wxString& label,
 225                              const wxPoint& pos,
 226                              const wxSize& size,
 227                              long style,
 228                              const wxValidator& val,
 229                              const wxString &name )
 230 {
 231     if( !wxCheckBox::Create( parent, id, label, pos, size, style, val, name ) )
 232         return false;
 233
 234     XtVaSetValues( (Widget)m_mainWidget,
 235                    XmNindicatorSize, 0,
 236 #if XmVersion >= 2000
 237                    XmNindicatorOn, XmINDICATOR_NONE,
 238 #else
 239                    XmNindicatorOn, False,
 240 #endif
 241                    XmNfillOnSelect, False,
 242                    XmNshadowThickness, 2,
 243                    XmNalignment, XmALIGNMENT_CENTER,
 244                    XmNmarginLeft, 0,
 245                    XmNmarginRight, 0,
 246                    NULL );
 247
 248     // set it again, because the XtVaSetValue above resets it
 249     if( size.x != -1 || size.y != -1 )
 250         SetSize( size );
 251
 252     return true;
 253 }
 254
 255 #endif // wxUSE_TOGGLEBUTTON