src/motif/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/radiobox.cpp
   3 // Purpose:     wxRadioBox
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   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 #if wxUSE_RADIOBOX
  16
  17 #ifdef __VMS
  18 #define XtDisplay XTDISPLAY
  19 #endif
  20
  21 #include "wx/radiobox.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25 #endif
  26
  27 #include "wx/arrstr.h"
  28
  29 #ifdef __VMS__
  30 #pragma message disable nosimpint
  31 #endif
  32 #include <Xm/Label.h>
  33 #include <Xm/LabelG.h>
  34 #include <Xm/ToggleB.h>
  35 #include <Xm/ToggleBG.h>
  36 #include <Xm/RowColumn.h>
  37 #include <Xm/Frame.h>
  38 #ifdef __VMS__
  39 #pragma message enable nosimpint
  40 #endif
  41
  42 #include "wx/motif/private.h"
  43
  44 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  45                     XmToggleButtonCallbackStruct * cbs);
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  48
  49 // Radio box item
  50 void wxRadioBox::Init()
  51 {
  52     m_selectedButton = -1;
  53     m_noItems = 0;
  54     m_noRowsOrCols = 0;
  55 }
  56
  57 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  58              const wxPoint& pos, const wxSize& size,
  59              int n, const wxString choices[],
  60              int majorDim, long style,
  61              const wxValidator& val, const wxString& name)
  62 {
  63     if( !CreateControl( parent, id, pos, size, style, val, name ) )
  64         return false;
  65
  66     m_noItems = (unsigned int)n;
  67     m_noRowsOrCols = majorDim;
  68
  69     SetMajorDim(majorDim == 0 ? n : majorDim, style);
  70
  71     Widget parentWidget = (Widget) parent->GetClientWidget();
  72     Display* dpy = XtDisplay(parentWidget);
  73
  74     m_mainWidget = XtVaCreateWidget ("radioboxframe",
  75                                      xmFrameWidgetClass, parentWidget,
  76                                      XmNresizeHeight, True,
  77                                      XmNresizeWidth, True,
  78                                      NULL);
  79
  80     wxString label1(wxStripMenuCodes(title));
  81
  82     if (!label1.empty())
  83     {
  84         wxXmString text(label1);
  85         m_labelWidget = (WXWidget)
  86             XtVaCreateManagedWidget( label1.c_str(),
  87 #if wxUSE_GADGETS
  88                 style & wxCOLOURED ? xmLabelWidgetClass
  89                                    : xmLabelGadgetClass,
  90                 (Widget)m_mainWidget,
  91 #else
  92                 xmLabelWidgetClass, (Widget)m_mainWidget,
  93 #endif
  94                 wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
  95                 XmNlabelString, text(),
  96 // XmNframeChildType is not in Motif 1.2, nor in Lesstif,
  97 // if it was compiled with 1.2 compatibility
  98 // TODO: check this still looks OK for Motif 1.2.
  99 #if (XmVersion > 1200)
 100                 XmNframeChildType, XmFRAME_TITLE_CHILD,
 101 #else
 102                 XmNchildType, XmFRAME_TITLE_CHILD,
 103 #endif
 104                 XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
 105                 NULL);
 106     }
 107
 108     Arg args[3];
 109
 110     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 111                                           XmHORIZONTAL : XmVERTICAL));
 112     XtSetArg (args[1], XmNnumColumns, GetMajorDim());
 113     XtSetArg (args[2], XmNadjustLast, False);
 114
 115     Widget radioBoxWidget =
 116         XmCreateRadioBox ((Widget)m_mainWidget, wxMOTIF_STR("radioBoxWidget"), args, 3);
 117
 118     m_radioButtons.reserve(n);
 119     m_radioButtonLabels.reserve(n);
 120
 121     int i;
 122     for (i = 0; i < n; i++)
 123     {
 124         wxString str(wxStripMenuCodes(choices[i]));
 125         m_radioButtonLabels.push_back(str);
 126         Widget radioItem =  XtVaCreateManagedWidget (
 127                                 wxConstCast(str.c_str(), char),
 128 #if wxUSE_GADGETS
 129                                 xmToggleButtonGadgetClass, radioBoxWidget,
 130 #else
 131                                 xmToggleButtonWidgetClass, radioBoxWidget,
 132 #endif
 133                                 wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
 134                                 NULL);
 135         m_radioButtons.push_back((WXWidget)radioItem);
 136         XtAddCallback (radioItem, XmNvalueChangedCallback,
 137                        (XtCallbackProc) wxRadioBoxCallback,
 138                        (XtPointer) this);
 139     }
 140
 141     ChangeFont(false);
 142
 143     SetSelection (0);
 144
 145     XtRealizeWidget((Widget)m_mainWidget);
 146     XtManageChild (radioBoxWidget);
 147     XtManageChild ((Widget)m_mainWidget);
 148
 149     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 150
 151     ChangeBackgroundColour();
 152
 153     return true;
 154 }
 155
 156 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
 157              const wxPoint& pos, const wxSize& size,
 158              const wxArrayString& choices,
 159              int majorDim, long style,
 160              const wxValidator& val, const wxString& name)
 161 {
 162     wxCArrayString chs(choices);
 163     return Create(parent, id, title, pos, size, chs.GetCount(),
 164                   chs.GetStrings(), majorDim, style, val, name);
 165 }
 166
 167 wxRadioBox::~wxRadioBox()
 168 {
 169     DetachWidget(m_mainWidget);
 170     XtDestroyWidget((Widget) m_mainWidget);
 171
 172     m_mainWidget = (WXWidget) 0;
 173 }
 174
 175 void wxRadioBox::SetString(unsigned int item, const wxString& label)
 176 {
 177     if (!IsValid(item))
 178         return;
 179
 180     Widget widget = (Widget)m_radioButtons[item];
 181     if (!label.empty())
 182     {
 183         wxString label1(wxStripMenuCodes(label));
 184         wxXmString text( label1 );
 185         m_radioButtonLabels[item] = label1;
 186         XtVaSetValues (widget,
 187                         XmNlabelString, text(),
 188                         XmNlabelType, XmSTRING,
 189                         NULL);
 190     }
 191 }
 192
 193 void wxRadioBox::SetSelection(int n)
 194 {
 195     if (!IsValid(n))
 196         return;
 197
 198     m_selectedButton = n;
 199
 200     m_inSetValue = true;
 201
 202     XmToggleButtonSetState ((Widget) m_radioButtons[n], True, False);
 203
 204     for (unsigned int i = 0; i < m_noItems; i++)
 205         if (i != (unsigned int)n)
 206             XmToggleButtonSetState ((Widget) m_radioButtons[i], False, False);
 207
 208     m_inSetValue = false;
 209 }
 210
 211 // Get single selection, for single choice list items
 212 int wxRadioBox::GetSelection() const
 213 {
 214     return m_selectedButton;
 215 }
 216
 217 // Find string for position
 218 wxString wxRadioBox::GetString(unsigned int n) const
 219 {
 220     if (!IsValid(n))
 221         return wxEmptyString;
 222     return m_radioButtonLabels[n];
 223 }
 224
 225 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 226 {
 227     bool managed = XtIsManaged((Widget) m_mainWidget);
 228
 229     if (managed)
 230         XtUnmanageChild ((Widget) m_mainWidget);
 231
 232     int xx = x; int yy = y;
 233     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 234
 235     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 236         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 237     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 238         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 239
 240     if (width > 0)
 241         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 242     if (height > 0)
 243         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 244
 245     if (managed)
 246         XtManageChild ((Widget) m_mainWidget);
 247 }
 248
 249 // Enable a specific button
 250 bool wxRadioBox::Enable(unsigned int n, bool enable)
 251 {
 252     if (!IsValid(n))
 253         return false;
 254
 255     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 256     return true;
 257 }
 258
 259 // Enable all controls
 260 bool wxRadioBox::Enable(bool enable)
 261 {
 262     if ( !wxControl::Enable(enable) )
 263         return false;
 264
 265     for (unsigned int i = 0; i < m_noItems; i++)
 266         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 267
 268     return true;
 269 }
 270
 271 bool wxRadioBox::Show(bool show)
 272 {
 273     // TODO: show/hide all children
 274     return wxControl::Show(show);
 275 }
 276
 277 // Show a specific button
 278 bool wxRadioBox::Show(unsigned int n, bool show)
 279 {
 280   // This method isn't complete, and we try do do our best...
 281   // It's main purpose isn't for allowing Show/Unshow dynamically,
 282   // but rather to provide a way to design wxRadioBox such:
 283   //
 284   //        o Val1  o Val2   o Val3
 285   //        o Val4           o Val6
 286   //        o Val7  o Val8   o Val9
 287   //
 288   // In my case, this is a 'direction' box, and the Show(5,False) is
 289   // coupled with an Enable(5,False)
 290   //
 291     if (!IsValid(n))
 292         return false;
 293
 294     XtVaSetValues ((Widget) m_radioButtons[n],
 295         XmNindicatorOn, (unsigned char) show,
 296         NULL);
 297
 298     // Please note that this is all we can do: removing the label
 299     // if switching to unshow state. However, when switching
 300     // to the on state, it's the prog. resp. to call SetString(item,...)
 301     // after this call!!
 302     if (!show)
 303         wxRadioBox::SetString (n, " ");
 304
 305     return true;
 306 }
 307
 308 // For single selection items only
 309 wxString wxRadioBox::GetStringSelection () const
 310 {
 311     int sel = GetSelection ();
 312     if (sel != wxNOT_FOUND)
 313         return this->GetString((unsigned int)sel);
 314     else
 315         return wxEmptyString;
 316 }
 317
 318 bool wxRadioBox::SetStringSelection (const wxString& s)
 319 {
 320     int sel = FindString (s);
 321     if (sel > -1)
 322     {
 323         SetSelection (sel);
 324         return true;
 325     }
 326     else
 327         return false;
 328 }
 329
 330 void wxRadioBox::Command (wxCommandEvent & event)
 331 {
 332     SetSelection (event.GetInt());
 333     ProcessCommand (event);
 334 }
 335
 336 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 337 {
 338     wxWindow::ChangeFont(keepOriginalSize);
 339
 340     for (unsigned int i = 0; i < m_noItems; i++)
 341     {
 342         WXWidget radioButton = m_radioButtons[i];
 343
 344         XtVaSetValues ((Widget) radioButton,
 345                        wxFont::GetFontTag(), m_font.GetFontTypeC(XtDisplay((Widget) GetTopWidget())),
 346                        NULL);
 347     }
 348 }
 349
 350 void wxRadioBox::ChangeBackgroundColour()
 351 {
 352     wxWindow::ChangeBackgroundColour();
 353
 354     wxColour colour = *wxBLACK;
 355     int selectPixel = colour.AllocColour(XtDisplay((Widget)m_mainWidget));
 356
 357     for (unsigned int i = 0; i < m_noItems; i++)
 358     {
 359         WXWidget radioButton = m_radioButtons[i];
 360
 361         wxDoChangeBackgroundColour(radioButton, m_backgroundColour, true);
 362
 363         XtVaSetValues ((Widget) radioButton,
 364           XmNselectColor, selectPixel,
 365           NULL);
 366     }
 367 }
 368
 369 void wxRadioBox::ChangeForegroundColour()
 370 {
 371     wxWindow::ChangeForegroundColour();
 372
 373     for (unsigned int i = 0; i < m_noItems; i++)
 374     {
 375         WXWidget radioButton = m_radioButtons[i];
 376
 377         wxDoChangeForegroundColour(radioButton, m_foregroundColour);
 378     }
 379 }
 380
 381 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 382                     XmToggleButtonCallbackStruct * cbs)
 383 {
 384   if (!cbs->set)
 385     return;
 386
 387   wxRadioBox *item = (wxRadioBox *) clientData;
 388   int sel = -1;
 389   unsigned int i;
 390   const wxWidgetArray& buttons = item->GetRadioButtons();
 391   for (i = 0; i < item->GetCount(); i++)
 392     if (((Widget)buttons[i]) == w)
 393       sel = (int)i;
 394   item->SetSel(sel);
 395
 396   if (item->InSetValue())
 397     return;
 398
 399   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 400   event.SetInt(sel);
 401   event.SetString(item->GetStringSelection());
 402   event.SetEventObject(item);
 403   item->ProcessCommand (event);
 404 }
 405
 406 #endif // wxUSE_RADIOBOX