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/radiobox.h"
  21 #include "wx/utils.h"
  22
  23 #ifdef __VMS__
  24 #pragma message disable nosimpint
  25 #endif
  26 #include <Xm/Label.h>
  27 #include <Xm/LabelG.h>
  28 #include <Xm/ToggleB.h>
  29 #include <Xm/ToggleBG.h>
  30 #include <Xm/RowColumn.h>
  31 #include <Xm/Form.h>
  32 #include <Xm/Frame.h>
  33 #ifdef __VMS__
  34 #pragma message enable nosimpint
  35 #endif
  36
  37 #include "wx/motif/private.h"
  38
  39 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  40                     XmToggleButtonCallbackStruct * cbs);
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  43
  44 // Radio box item
  45 wxRadioBox::wxRadioBox()
  46 {
  47     m_selectedButton = -1;
  48     m_noItems = 0;
  49     m_noRowsOrCols = 0;
  50     m_majorDim = 0 ;
  51
  52     m_formWidget = (WXWidget) 0;
  53     m_frameWidget = (WXWidget) 0;
  54     m_labelWidget = (WXWidget) 0;
  55     m_radioButtons = (WXWidget*) NULL;
  56     m_radioButtonLabels = (wxString*) NULL;
  57 }
  58
  59 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  60              const wxPoint& pos, const wxSize& size,
  61              int n, const wxString choices[],
  62              int majorDim, long style,
  63              const wxValidator& val, const wxString& name)
  64 {
  65     m_selectedButton = -1;
  66     m_noItems = n;
  67     m_formWidget = (WXWidget) 0;
  68     m_frameWidget = (WXWidget) 0;
  69     m_labelWidget = (WXWidget) 0;
  70     m_radioButtons = (WXWidget*) NULL;
  71     m_radioButtonLabels = (wxString*) NULL;
  72     m_backgroundColour = parent->GetBackgroundColour();
  73     m_foregroundColour = parent->GetForegroundColour();
  74     m_font = parent->GetFont();
  75
  76     SetName(name);
  77     SetValidator(val);
  78
  79     parent->AddChild(this);
  80
  81     m_windowStyle = (long&)style;
  82
  83     if (id == -1)
  84         m_windowId = NewControlId();
  85     else
  86         m_windowId = id;
  87
  88     m_noRowsOrCols = majorDim;
  89
  90     if (majorDim==0)
  91         m_majorDim = n ;
  92     else
  93         m_majorDim = majorDim ;
  94
  95     Widget parentWidget = (Widget) parent->GetClientWidget();
  96
  97     wxString label1(wxStripMenuCodes(title));
  98
  99     Widget formWidget = XtVaCreateManagedWidget (name.c_str(),
 100                                         xmFormWidgetClass, parentWidget,
 101                                         XmNmarginHeight, 0,
 102                                         XmNmarginWidth, 0,
 103                                         NULL);
 104
 105     m_formWidget = (WXWidget) formWidget;
 106
 107     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay(parentWidget));
 108     if (label1 != "")
 109     {
 110         wxXmString text(label1);
 111         (void)XtVaCreateManagedWidget(label1.c_str(),
 112 #if wxUSE_GADGETS
 113                                              style & wxCOLOURED ? xmLabelWidgetClass
 114                                                                 : xmLabelGadgetClass,
 115                                              formWidget,
 116 #else
 117                                              xmLabelWidgetClass, formWidget,
 118 #endif
 119                                              XmNfontList, fontList,
 120                                              XmNlabelString, text(),
 121                                              NULL);
 122     }
 123
 124     Widget frameWidget = XtVaCreateManagedWidget ("frame",
 125                                         xmFrameWidgetClass, formWidget,
 126                                         XmNshadowType, XmSHADOW_IN,
 127 //                                        XmNmarginHeight, 0,
 128 //                                        XmNmarginWidth, 0,
 129                                         NULL);
 130
 131     m_frameWidget = (WXWidget) frameWidget;
 132
 133     Arg args[3];
 134
 135     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 136
 137     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 138                                           XmHORIZONTAL : XmVERTICAL));
 139     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 140
 141     Widget radioBoxWidget = XmCreateRadioBox (frameWidget, "radioBoxWidget", args, 2);
 142     m_mainWidget = (WXWidget) radioBoxWidget;
 143
 144
 145     if (m_labelWidget)
 146             XtVaSetValues ((Widget) m_labelWidget,
 147                        XmNtopAttachment, XmATTACH_FORM,
 148                        XmNleftAttachment, XmATTACH_FORM,
 149                        XmNalignment, XmALIGNMENT_BEGINNING,
 150                        NULL);
 151
 152     XtVaSetValues (radioBoxWidget,
 153             XmNtopAttachment, m_labelWidget ? XmATTACH_WIDGET : XmATTACH_FORM,
 154                      XmNtopWidget, m_labelWidget ? (Widget) m_labelWidget : formWidget,
 155                      XmNbottomAttachment, XmATTACH_FORM,
 156                      XmNleftAttachment, XmATTACH_FORM,
 157                      XmNrightAttachment, XmATTACH_FORM,
 158                      NULL);
 159
 160     //    if (style & wxFLAT)
 161     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 162
 163     m_radioButtons = new WXWidget[n];
 164     m_radioButtonLabels = new wxString[n];
 165     int i;
 166     for (i = 0; i < n; i++)
 167     {
 168         wxString str(wxStripMenuCodes(choices[i]));
 169         m_radioButtonLabels[i] = str;
 170         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 171 #if wxUSE_GADGETS
 172                             xmToggleButtonGadgetClass, radioBoxWidget,
 173 #else
 174                                     xmToggleButtonWidgetClass, radioBoxWidget,
 175 #endif
 176                                     XmNfontList, fontList,
 177                                                  NULL);
 178 #ifdef __VMS__
 179 #pragma message disable voiincconext
 180        // VMS gives here the compiler warning:
 181        // conversion from pointer to function to void* permitted
 182        // as an extension
 183 #endif
 184         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 185                      (XtCallbackProc) this);
 186 #ifdef __VMS__
 187 #pragma message enable voiincconext
 188 #endif
 189
 190     }
 191     SetSelection (0);
 192
 193     m_font = parent->GetFont();
 194     ChangeFont(FALSE);
 195
 196     //    XtManageChild((Widget) m_formWidget);
 197     XtManageChild (radioBoxWidget);
 198
 199     SetCanAddEventHandler(TRUE);
 200     AttachWidget (parent, m_mainWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 201
 202     ChangeBackgroundColour();
 203
 204     return TRUE;
 205 }
 206
 207
 208 wxRadioBox::~wxRadioBox()
 209 {
 210     delete[] m_radioButtonLabels;
 211     delete[] m_radioButtons;
 212
 213     DetachWidget(m_formWidget);
 214     DetachWidget(m_mainWidget);
 215
 216     if (m_labelWidget)
 217        XtDestroyWidget((Widget) m_labelWidget);
 218     XtDestroyWidget((Widget) m_mainWidget);
 219     XtDestroyWidget((Widget) m_formWidget);
 220
 221     m_mainWidget = (WXWidget) 0;
 222     m_formWidget = (WXWidget) 0;
 223     m_labelWidget = (WXWidget) 0;
 224 }
 225
 226 wxString wxRadioBox::GetLabel(int item) const
 227 {
 228     if (item < 0 || item >= m_noItems)
 229         return wxEmptyString;
 230
 231     Widget widget = (Widget) m_radioButtons[item];
 232     XmString text;
 233     char *s;
 234     XtVaGetValues (widget,
 235                     XmNlabelString, &text,
 236                     NULL);
 237
 238     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 239     {
 240         // Should we free 'text'???
 241         XmStringFree(text);
 242         wxString str(s);
 243         XtFree (s);
 244         return str;
 245     }
 246     else
 247     {
 248         XmStringFree(text);
 249         return wxEmptyString;
 250     }
 251 }
 252
 253 void wxRadioBox::SetLabel(int item, const wxString& label)
 254 {
 255     if (item < 0 || item >= m_noItems)
 256         return;
 257
 258     Widget widget = (Widget) m_radioButtons[item];
 259     if (label != "")
 260     {
 261         wxString label1(wxStripMenuCodes(label));
 262         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 263         XtVaSetValues (widget,
 264                         XmNlabelString, text,
 265                         XmNlabelType, XmSTRING,
 266                         NULL);
 267         XmStringFree (text);
 268     }
 269 }
 270
 271 int wxRadioBox::FindString(const wxString& s) const
 272 {
 273     int i;
 274     for (i = 0; i < m_noItems; i++)
 275         if (s == m_radioButtonLabels[i])
 276             return i;
 277     return -1;
 278 }
 279
 280 void wxRadioBox::SetSelection(int n)
 281 {
 282     if ((n < 0) || (n >= m_noItems))
 283         return;
 284
 285     m_selectedButton = n;
 286
 287     m_inSetValue = TRUE;
 288
 289     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 290
 291     int i;
 292     for (i = 0; i < m_noItems; i++)
 293         if (i != n)
 294             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 295
 296     m_inSetValue = FALSE;
 297 }
 298
 299 // Get single selection, for single choice list items
 300 int wxRadioBox::GetSelection() const
 301 {
 302     return m_selectedButton;
 303 }
 304
 305 // Find string for position
 306 wxString wxRadioBox::GetString(int n) const
 307 {
 308     if ((n < 0) || (n >= m_noItems))
 309         return wxEmptyString;
 310     return m_radioButtonLabels[n];
 311 }
 312
 313 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 314 {
 315     bool managed = XtIsManaged((Widget) m_formWidget);
 316
 317     if (managed)
 318         XtUnmanageChild ((Widget) m_formWidget);
 319
 320     int xx = x; int yy = y;
 321     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 322
 323     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 324         XtVaSetValues ((Widget) m_formWidget, XmNleftAttachment, XmATTACH_SELF,
 325                    XmNx, xx, NULL);
 326     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 327         XtVaSetValues ((Widget) m_formWidget, XmNtopAttachment, XmATTACH_SELF,
 328                    XmNy, yy, NULL);
 329
 330     // Must set the actual RadioBox to be desired size MINUS label size
 331     Dimension labelWidth = 0, labelHeight = 0, actualWidth = 0, actualHeight = 0;
 332
 333     if (m_labelWidget)
 334         XtVaGetValues ((Widget) m_labelWidget, XmNwidth, &labelWidth, XmNheight, &labelHeight, NULL);
 335
 336     actualWidth = width;
 337     actualHeight = height - labelHeight;
 338
 339     if (width > -1)
 340     {
 341         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, actualWidth, NULL);
 342     }
 343     if (height > -1)
 344     {
 345         XtVaSetValues ((Widget) m_mainWidget, XmNheight, actualHeight, NULL);
 346     }
 347     if (managed)
 348         XtManageChild ((Widget) m_formWidget);
 349 }
 350
 351 // Enable a specific button
 352 void wxRadioBox::Enable(int n, bool enable)
 353 {
 354     if ((n < 0) || (n >= m_noItems))
 355         return;
 356
 357     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 358 }
 359
 360 // Enable all controls
 361 bool wxRadioBox::Enable(bool enable)
 362 {
 363     if ( !wxControl::Enable(enable) )
 364         return FALSE;
 365
 366     int i;
 367     for (i = 0; i < m_noItems; i++)
 368         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 369
 370     return TRUE;
 371 }
 372
 373 bool wxRadioBox::Show(bool show)
 374 {
 375     // TODO: show/hide all children
 376     return wxControl::Show(show);
 377 }
 378
 379 // Show a specific button
 380 void wxRadioBox::Show(int n, bool show)
 381 {
 382   // This method isn't complete, and we try do do our best...
 383   // It's main purpose isn't for allowing Show/Unshow dynamically,
 384   // but rather to provide a way to design wxRadioBox such:
 385   //
 386   //        o Val1  o Val2   o Val3
 387   //        o Val4           o Val6
 388   //        o Val7  o Val8   o Val9
 389   //
 390   // In my case, this is a 'direction' box, and the Show(5,False) is
 391   // coupled with an Enable(5,False)
 392   //
 393     if ((n < 0) || (n >= m_noItems))
 394         return;
 395
 396     XtVaSetValues ((Widget) m_radioButtons[n],
 397         XmNindicatorOn, (unsigned char) show,
 398         NULL);
 399
 400     // Please note that this is all we can do: removing the label
 401     // if switching to unshow state. However, when switching
 402     // to the on state, it's the prog. resp. to call SetLabel(item,...)
 403     // after this call!!
 404     if (!show)
 405         wxRadioBox::SetLabel (n, " ");
 406 }
 407
 408 // For single selection items only
 409 wxString wxRadioBox::GetStringSelection () const
 410 {
 411     int sel = GetSelection ();
 412     if (sel > -1)
 413         return this->GetString (sel);
 414     else
 415         return wxString("");
 416 }
 417
 418 bool wxRadioBox::SetStringSelection (const wxString& s)
 419 {
 420     int sel = FindString (s);
 421     if (sel > -1)
 422     {
 423         SetSelection (sel);
 424         return TRUE;
 425     }
 426     else
 427         return FALSE;
 428 }
 429
 430 void wxRadioBox::Command (wxCommandEvent & event)
 431 {
 432     SetSelection (event.m_commandInt);
 433     ProcessCommand (event);
 434 }
 435
 436 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 437 {
 438     wxWindow::ChangeFont(keepOriginalSize);
 439
 440     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 441
 442     int i;
 443     for (i = 0; i < m_noItems; i++)
 444     {
 445         WXWidget radioButton = m_radioButtons[i];
 446
 447         XtVaSetValues ((Widget) radioButton,
 448                        XmNfontList, fontList,
 449                        XmNtopAttachment, XmATTACH_FORM,
 450                        NULL);
 451     }
 452 }
 453
 454 void wxRadioBox::ChangeBackgroundColour()
 455 {
 456     wxWindow::ChangeBackgroundColour();
 457
 458     DoChangeBackgroundColour((Widget) m_frameWidget, m_backgroundColour);
 459
 460     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 461
 462     int i;
 463     for (i = 0; i < m_noItems; i++)
 464     {
 465         WXWidget radioButton = m_radioButtons[i];
 466
 467         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 468
 469         XtVaSetValues ((Widget) radioButton,
 470           XmNselectColor, selectPixel,
 471           NULL);
 472     }
 473 }
 474
 475 void wxRadioBox::ChangeForegroundColour()
 476 {
 477     wxWindow::ChangeForegroundColour();
 478
 479     int i;
 480     for (i = 0; i < m_noItems; i++)
 481     {
 482         WXWidget radioButton = m_radioButtons[i];
 483
 484         DoChangeForegroundColour(radioButton, m_foregroundColour);
 485     }
 486 }
 487
 488 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 489                     XmToggleButtonCallbackStruct * cbs)
 490 {
 491   if (!cbs->set)
 492     return;
 493
 494   wxRadioBox *item = (wxRadioBox *) clientData;
 495   int sel = -1;
 496   int i;
 497   for (i = 0; i < item->Number(); i++)
 498     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 499       sel = i;
 500   item->SetSel(sel);
 501
 502   if (item->InSetValue())
 503     return;
 504
 505   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 506   event.m_commandInt = sel;
 507   event.SetEventObject(item);
 508   item->ProcessCommand (event);
 509 }
 510