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