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