src/motif/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "radiobox.h"
  14 #endif
  15
  16 #include "wx/radiobox.h"
  17 #include "wx/utils.h"
  18
  19 #ifdef __VMS__
  20 #pragma message disable nosimpint
  21 #endif
  22 #include <Xm/Label.h>
  23 #include <Xm/LabelG.h>
  24 #include <Xm/ToggleB.h>
  25 #include <Xm/ToggleBG.h>
  26 #include <Xm/RowColumn.h>
  27 #include <Xm/Form.h>
  28 #include <Xm/Frame.h>
  29 #ifdef __VMS__
  30 #pragma message enable nosimpint
  31 #endif
  32
  33 #include "wx/motif/private.h"
  34
  35 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  36                     XmToggleButtonCallbackStruct * cbs);
  37
  38 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  39
  40 // Radio box item
  41 wxRadioBox::wxRadioBox()
  42 {
  43     m_selectedButton = -1;
  44     m_noItems = 0;
  45     m_noRowsOrCols = 0;
  46     m_majorDim = 0 ;
  47
  48     m_formWidget = (WXWidget) 0;
  49     m_frameWidget = (WXWidget) 0;
  50     m_labelWidget = (WXWidget) 0;
  51     m_radioButtons = (WXWidget*) NULL;
  52     m_radioButtonLabels = (wxString*) NULL;
  53 }
  54
  55 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  56              const wxPoint& pos, const wxSize& size,
  57              int n, const wxString choices[],
  58              int majorDim, long style,
  59              const wxValidator& val, const wxString& name)
  60 {
  61     m_selectedButton = -1;
  62     m_noItems = n;
  63     m_formWidget = (WXWidget) 0;
  64     m_frameWidget = (WXWidget) 0;
  65     m_labelWidget = (WXWidget) 0;
  66     m_radioButtons = (WXWidget*) NULL;
  67     m_radioButtonLabels = (wxString*) NULL;
  68     m_backgroundColour = parent->GetBackgroundColour();
  69     m_foregroundColour = parent->GetForegroundColour();
  70     m_font = parent->GetFont();
  71
  72     SetName(name);
  73     SetValidator(val);
  74
  75     parent->AddChild(this);
  76
  77     m_windowStyle = (long&)style;
  78
  79     if (id == -1)
  80         m_windowId = NewControlId();
  81     else
  82         m_windowId = id;
  83
  84     m_noRowsOrCols = majorDim;
  85
  86     if (majorDim==0)
  87         m_majorDim = n ;
  88     else
  89         m_majorDim = majorDim ;
  90
  91     Widget parentWidget = (Widget) parent->GetClientWidget();
  92
  93     wxString label1(wxStripMenuCodes(title));
  94
  95     Widget formWidget = XtVaCreateManagedWidget (name.c_str(),
  96                                         xmFormWidgetClass, parentWidget,
  97                                         XmNmarginHeight, 0,
  98                                         XmNmarginWidth, 0,
  99                                         NULL);
 100
 101     m_formWidget = (WXWidget) formWidget;
 102
 103     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay(parentWidget));
 104     if (label1 != "")
 105     {
 106         wxXmString text(label1);
 107         (void)XtVaCreateManagedWidget(label1.c_str(),
 108 #if wxUSE_GADGETS
 109                                              style & wxCOLOURED ? xmLabelWidgetClass
 110                                                                 : xmLabelGadgetClass,
 111                                              formWidget,
 112 #else
 113                                              xmLabelWidgetClass, formWidget,
 114 #endif
 115                                              XmNfontList, fontList,
 116                                              XmNlabelString, text(),
 117                                              NULL);
 118     }
 119
 120     Widget frameWidget = XtVaCreateManagedWidget ("frame",
 121                                         xmFrameWidgetClass, formWidget,
 122                                         XmNshadowType, XmSHADOW_IN,
 123 //                                        XmNmarginHeight, 0,
 124 //                                        XmNmarginWidth, 0,
 125                                         NULL);
 126
 127     m_frameWidget = (WXWidget) frameWidget;
 128
 129     Arg args[3];
 130
 131     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 132
 133     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 134                                           XmHORIZONTAL : XmVERTICAL));
 135     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 136
 137     Widget radioBoxWidget = XmCreateRadioBox (frameWidget, "radioBoxWidget", args, 2);
 138     m_mainWidget = (WXWidget) radioBoxWidget;
 139
 140
 141     if (m_labelWidget)
 142             XtVaSetValues ((Widget) m_labelWidget,
 143                        XmNtopAttachment, XmATTACH_FORM,
 144                        XmNleftAttachment, XmATTACH_FORM,
 145                        XmNalignment, XmALIGNMENT_BEGINNING,
 146                        NULL);
 147
 148     XtVaSetValues (radioBoxWidget,
 149             XmNtopAttachment, m_labelWidget ? XmATTACH_WIDGET : XmATTACH_FORM,
 150                      XmNtopWidget, m_labelWidget ? (Widget) m_labelWidget : formWidget,
 151                      XmNbottomAttachment, XmATTACH_FORM,
 152                      XmNleftAttachment, XmATTACH_FORM,
 153                      XmNrightAttachment, XmATTACH_FORM,
 154                      NULL);
 155
 156     //    if (style & wxFLAT)
 157     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 158
 159     m_radioButtons = new WXWidget[n];
 160     m_radioButtonLabels = new wxString[n];
 161     int i;
 162     for (i = 0; i < n; i++)
 163     {
 164         wxString str(wxStripMenuCodes(choices[i]));
 165         m_radioButtonLabels[i] = str;
 166         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 167 #if wxUSE_GADGETS
 168                             xmToggleButtonGadgetClass, radioBoxWidget,
 169 #else
 170                                     xmToggleButtonWidgetClass, radioBoxWidget,
 171 #endif
 172                                     XmNfontList, fontList,
 173                                                  NULL);
 174 #ifdef __VMS__
 175 #pragma message disable voiincconext
 176        // VMS gives here the compiler warning:
 177        // conversion from pointer to function to void* permitted
 178        // as an extension
 179 #endif
 180         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 181                      (XtCallbackProc) this);
 182 #ifdef __VMS__
 183 #pragma message enable voiincconext
 184 #endif
 185
 186     }
 187     SetSelection (0);
 188
 189     m_font = parent->GetFont();
 190     ChangeFont(FALSE);
 191
 192     //    XtManageChild((Widget) m_formWidget);
 193     XtManageChild (radioBoxWidget);
 194
 195     SetCanAddEventHandler(TRUE);
 196     AttachWidget (parent, m_mainWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 197
 198     ChangeBackgroundColour();
 199
 200     return TRUE;
 201 }
 202
 203
 204 wxRadioBox::~wxRadioBox()
 205 {
 206     delete[] m_radioButtonLabels;
 207     delete[] m_radioButtons;
 208
 209     DetachWidget(m_formWidget);
 210     DetachWidget(m_mainWidget);
 211
 212     if (m_labelWidget)
 213        XtDestroyWidget((Widget) m_labelWidget);
 214     XtDestroyWidget((Widget) m_mainWidget);
 215     XtDestroyWidget((Widget) m_formWidget);
 216
 217     m_mainWidget = (WXWidget) 0;
 218     m_formWidget = (WXWidget) 0;
 219     m_labelWidget = (WXWidget) 0;
 220 }
 221
 222 wxString wxRadioBox::GetLabel(int item) const
 223 {
 224     if (item < 0 || item >= m_noItems)
 225         return wxEmptyString;
 226
 227     Widget widget = (Widget) m_radioButtons[item];
 228     XmString text;
 229     char *s;
 230     XtVaGetValues (widget,
 231                     XmNlabelString, &text,
 232                     NULL);
 233
 234     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 235     {
 236         // Should we free 'text'???
 237         XmStringFree(text);
 238         wxString str(s);
 239         XtFree (s);
 240         return str;
 241     }
 242     else
 243     {
 244         XmStringFree(text);
 245         return wxEmptyString;
 246     }
 247 }
 248
 249 void wxRadioBox::SetLabel(int item, const wxString& label)
 250 {
 251     if (item < 0 || item >= m_noItems)
 252         return;
 253
 254     Widget widget = (Widget) m_radioButtons[item];
 255     if (label != "")
 256     {
 257         wxString label1(wxStripMenuCodes(label));
 258         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 259         XtVaSetValues (widget,
 260                         XmNlabelString, text,
 261                         XmNlabelType, XmSTRING,
 262                         NULL);
 263         XmStringFree (text);
 264     }
 265 }
 266
 267 int wxRadioBox::FindString(const wxString& s) const
 268 {
 269     int i;
 270     for (i = 0; i < m_noItems; i++)
 271         if (s == m_radioButtonLabels[i])
 272             return i;
 273     return -1;
 274 }
 275
 276 void wxRadioBox::SetSelection(int n)
 277 {
 278     if ((n < 0) || (n >= m_noItems))
 279         return;
 280
 281     m_selectedButton = n;
 282
 283     m_inSetValue = TRUE;
 284
 285     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 286
 287     int i;
 288     for (i = 0; i < m_noItems; i++)
 289         if (i != n)
 290             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 291
 292     m_inSetValue = FALSE;
 293 }
 294
 295 // Get single selection, for single choice list items
 296 int wxRadioBox::GetSelection() const
 297 {
 298     return m_selectedButton;
 299 }
 300
 301 // Find string for position
 302 wxString wxRadioBox::GetString(int n) const
 303 {
 304     if ((n < 0) || (n >= m_noItems))
 305         return wxEmptyString;
 306     return m_radioButtonLabels[n];
 307 }
 308
 309 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 310 {
 311     bool managed = XtIsManaged((Widget) m_formWidget);
 312
 313     if (managed)
 314         XtUnmanageChild ((Widget) m_formWidget);
 315
 316     int xx = x; int yy = y;
 317     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 318
 319     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 320         XtVaSetValues ((Widget) m_formWidget, XmNleftAttachment, XmATTACH_SELF,
 321                    XmNx, xx, NULL);
 322     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 323         XtVaSetValues ((Widget) m_formWidget, XmNtopAttachment, XmATTACH_SELF,
 324                    XmNy, yy, NULL);
 325
 326     // Must set the actual RadioBox to be desired size MINUS label size
 327     Dimension labelWidth = 0, labelHeight = 0, actualWidth = 0, actualHeight = 0;
 328
 329     if (m_labelWidget)
 330         XtVaGetValues ((Widget) m_labelWidget, XmNwidth, &labelWidth, XmNheight, &labelHeight, NULL);
 331
 332     actualWidth = width;
 333     actualHeight = height - labelHeight;
 334
 335     if (width > -1)
 336     {
 337         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, actualWidth, NULL);
 338     }
 339     if (height > -1)
 340     {
 341         XtVaSetValues ((Widget) m_mainWidget, XmNheight, actualHeight, NULL);
 342     }
 343     if (managed)
 344         XtManageChild ((Widget) m_formWidget);
 345 }
 346
 347 // Enable a specific button
 348 void wxRadioBox::Enable(int n, bool enable)
 349 {
 350     if ((n < 0) || (n >= m_noItems))
 351         return;
 352
 353     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 354 }
 355
 356 // Enable all controls
 357 bool wxRadioBox::Enable(bool enable)
 358 {
 359     if ( !wxControl::Enable(enable) )
 360         return FALSE;
 361
 362     int i;
 363     for (i = 0; i < m_noItems; i++)
 364         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 365
 366     return TRUE;
 367 }
 368
 369 bool wxRadioBox::Show(bool show)
 370 {
 371     // TODO: show/hide all children
 372     return wxControl::Show(show);
 373 }
 374
 375 // Show a specific button
 376 void wxRadioBox::Show(int n, bool show)
 377 {
 378   // This method isn't complete, and we try do do our best...
 379   // It's main purpose isn't for allowing Show/Unshow dynamically,
 380   // but rather to provide a way to design wxRadioBox such:
 381   //
 382   //        o Val1  o Val2   o Val3
 383   //        o Val4           o Val6
 384   //        o Val7  o Val8   o Val9
 385   //
 386   // In my case, this is a 'direction' box, and the Show(5,False) is
 387   // coupled with an Enable(5,False)
 388   //
 389     if ((n < 0) || (n >= m_noItems))
 390         return;
 391
 392     XtVaSetValues ((Widget) m_radioButtons[n],
 393         XmNindicatorOn, (unsigned char) show,
 394         NULL);
 395
 396     // Please note that this is all we can do: removing the label
 397     // if switching to unshow state. However, when switching
 398     // to the on state, it's the prog. resp. to call SetLabel(item,...)
 399     // after this call!!
 400     if (!show)
 401         wxRadioBox::SetLabel (n, " ");
 402 }
 403
 404 // For single selection items only
 405 wxString wxRadioBox::GetStringSelection () const
 406 {
 407     int sel = GetSelection ();
 408     if (sel > -1)
 409         return this->GetString (sel);
 410     else
 411         return wxString("");
 412 }
 413
 414 bool wxRadioBox::SetStringSelection (const wxString& s)
 415 {
 416     int sel = FindString (s);
 417     if (sel > -1)
 418     {
 419         SetSelection (sel);
 420         return TRUE;
 421     }
 422     else
 423         return FALSE;
 424 }
 425
 426 void wxRadioBox::Command (wxCommandEvent & event)
 427 {
 428     SetSelection (event.m_commandInt);
 429     ProcessCommand (event);
 430 }
 431
 432 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 433 {
 434     wxWindow::ChangeFont(keepOriginalSize);
 435
 436     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 437
 438     int i;
 439     for (i = 0; i < m_noItems; i++)
 440     {
 441         WXWidget radioButton = m_radioButtons[i];
 442
 443         XtVaSetValues ((Widget) radioButton,
 444                        XmNfontList, fontList,
 445                        XmNtopAttachment, XmATTACH_FORM,
 446                        NULL);
 447     }
 448 }
 449
 450 void wxRadioBox::ChangeBackgroundColour()
 451 {
 452     wxWindow::ChangeBackgroundColour();
 453
 454     DoChangeBackgroundColour((Widget) m_frameWidget, m_backgroundColour);
 455
 456     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 457
 458     int i;
 459     for (i = 0; i < m_noItems; i++)
 460     {
 461         WXWidget radioButton = m_radioButtons[i];
 462
 463         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 464
 465         XtVaSetValues ((Widget) radioButton,
 466           XmNselectColor, selectPixel,
 467           NULL);
 468     }
 469 }
 470
 471 void wxRadioBox::ChangeForegroundColour()
 472 {
 473     wxWindow::ChangeForegroundColour();
 474
 475     int i;
 476     for (i = 0; i < m_noItems; i++)
 477     {
 478         WXWidget radioButton = m_radioButtons[i];
 479
 480         DoChangeForegroundColour(radioButton, m_foregroundColour);
 481     }
 482 }
 483
 484 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 485                     XmToggleButtonCallbackStruct * cbs)
 486 {
 487   if (!cbs->set)
 488     return;
 489
 490   wxRadioBox *item = (wxRadioBox *) clientData;
 491   int sel = -1;
 492   int i;
 493   for (i = 0; i < item->Number(); i++)
 494     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 495       sel = i;
 496   item->SetSel(sel);
 497
 498   if (item->InSetValue())
 499     return;
 500
 501   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 502   event.m_commandInt = sel;
 503   event.SetEventObject(item);
 504   item->ProcessCommand (event);
 505 }
 506