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         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 179                      (XtPointer) this);
 180     }
 181     SetSelection (0);
 182
 183     m_font = parent->GetFont();
 184     ChangeFont(FALSE);
 185
 186     //    XtManageChild((Widget) m_formWidget);
 187     XtManageChild (radioBoxWidget);
 188
 189     SetCanAddEventHandler(TRUE);
 190     AttachWidget (parent, m_mainWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 191
 192     ChangeBackgroundColour();
 193
 194     return TRUE;
 195 }
 196
 197
 198 wxRadioBox::~wxRadioBox()
 199 {
 200     delete[] m_radioButtonLabels;
 201     delete[] m_radioButtons;
 202
 203     DetachWidget(m_formWidget);
 204     DetachWidget(m_mainWidget);
 205
 206     if (m_labelWidget)
 207        XtDestroyWidget((Widget) m_labelWidget);
 208     XtDestroyWidget((Widget) m_mainWidget);
 209     XtDestroyWidget((Widget) m_formWidget);
 210
 211     m_mainWidget = (WXWidget) 0;
 212     m_formWidget = (WXWidget) 0;
 213     m_labelWidget = (WXWidget) 0;
 214 }
 215
 216 wxString wxRadioBox::GetLabel(int item) const
 217 {
 218     if (item < 0 || item >= m_noItems)
 219         return wxEmptyString;
 220
 221     Widget widget = (Widget) m_radioButtons[item];
 222     XmString text;
 223     char *s;
 224     XtVaGetValues (widget,
 225                     XmNlabelString, &text,
 226                     NULL);
 227
 228     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 229     {
 230         // Should we free 'text'???
 231         XmStringFree(text);
 232         wxString str(s);
 233         XtFree (s);
 234         return str;
 235     }
 236     else
 237     {
 238         XmStringFree(text);
 239         return wxEmptyString;
 240     }
 241 }
 242
 243 void wxRadioBox::SetLabel(int item, const wxString& label)
 244 {
 245     if (item < 0 || item >= m_noItems)
 246         return;
 247
 248     Widget widget = (Widget) m_radioButtons[item];
 249     if (label != "")
 250     {
 251         wxString label1(wxStripMenuCodes(label));
 252         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 253         XtVaSetValues (widget,
 254                         XmNlabelString, text,
 255                         XmNlabelType, XmSTRING,
 256                         NULL);
 257         XmStringFree (text);
 258     }
 259 }
 260
 261 int wxRadioBox::FindString(const wxString& s) const
 262 {
 263     int i;
 264     for (i = 0; i < m_noItems; i++)
 265         if (s == m_radioButtonLabels[i])
 266             return i;
 267     return -1;
 268 }
 269
 270 void wxRadioBox::SetSelection(int n)
 271 {
 272     if ((n < 0) || (n >= m_noItems))
 273         return;
 274
 275     m_selectedButton = n;
 276
 277     m_inSetValue = TRUE;
 278
 279     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 280
 281     int i;
 282     for (i = 0; i < m_noItems; i++)
 283         if (i != n)
 284             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 285
 286     m_inSetValue = FALSE;
 287 }
 288
 289 // Get single selection, for single choice list items
 290 int wxRadioBox::GetSelection() const
 291 {
 292     return m_selectedButton;
 293 }
 294
 295 // Find string for position
 296 wxString wxRadioBox::GetString(int n) const
 297 {
 298     if ((n < 0) || (n >= m_noItems))
 299         return wxEmptyString;
 300     return m_radioButtonLabels[n];
 301 }
 302
 303 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 304 {
 305     bool managed = XtIsManaged((Widget) m_formWidget);
 306
 307     if (managed)
 308         XtUnmanageChild ((Widget) m_formWidget);
 309
 310     int xx = x; int yy = y;
 311     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 312
 313     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 314         XtVaSetValues ((Widget) m_formWidget, XmNleftAttachment, XmATTACH_SELF,
 315                    XmNx, xx, NULL);
 316     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 317         XtVaSetValues ((Widget) m_formWidget, XmNtopAttachment, XmATTACH_SELF,
 318                    XmNy, yy, NULL);
 319
 320     // Must set the actual RadioBox to be desired size MINUS label size
 321     Dimension labelWidth = 0, labelHeight = 0, actualWidth = 0, actualHeight = 0;
 322
 323     if (m_labelWidget)
 324         XtVaGetValues ((Widget) m_labelWidget, XmNwidth, &labelWidth, XmNheight, &labelHeight, NULL);
 325
 326     actualWidth = width;
 327     actualHeight = height - labelHeight;
 328
 329     if (width > -1)
 330     {
 331         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, actualWidth, NULL);
 332     }
 333     if (height > -1)
 334     {
 335         XtVaSetValues ((Widget) m_mainWidget, XmNheight, actualHeight, NULL);
 336     }
 337     if (managed)
 338         XtManageChild ((Widget) m_formWidget);
 339 }
 340
 341 // Enable a specific button
 342 void wxRadioBox::Enable(int n, bool enable)
 343 {
 344     if ((n < 0) || (n >= m_noItems))
 345         return;
 346
 347     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 348 }
 349
 350 // Enable all controls
 351 bool wxRadioBox::Enable(bool enable)
 352 {
 353     if ( !wxControl::Enable(enable) )
 354         return FALSE;
 355
 356     int i;
 357     for (i = 0; i < m_noItems; i++)
 358         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 359
 360     return TRUE;
 361 }
 362
 363 bool wxRadioBox::Show(bool show)
 364 {
 365     // TODO: show/hide all children
 366     return wxControl::Show(show);
 367 }
 368
 369 // Show a specific button
 370 void wxRadioBox::Show(int n, bool show)
 371 {
 372   // This method isn't complete, and we try do do our best...
 373   // It's main purpose isn't for allowing Show/Unshow dynamically,
 374   // but rather to provide a way to design wxRadioBox such:
 375   //
 376   //        o Val1  o Val2   o Val3
 377   //        o Val4           o Val6
 378   //        o Val7  o Val8   o Val9
 379   //
 380   // In my case, this is a 'direction' box, and the Show(5,False) is
 381   // coupled with an Enable(5,False)
 382   //
 383     if ((n < 0) || (n >= m_noItems))
 384         return;
 385
 386     XtVaSetValues ((Widget) m_radioButtons[n],
 387         XmNindicatorOn, (unsigned char) show,
 388         NULL);
 389
 390     // Please note that this is all we can do: removing the label
 391     // if switching to unshow state. However, when switching
 392     // to the on state, it's the prog. resp. to call SetLabel(item,...)
 393     // after this call!!
 394     if (!show)
 395         wxRadioBox::SetLabel (n, " ");
 396 }
 397
 398 // For single selection items only
 399 wxString wxRadioBox::GetStringSelection () const
 400 {
 401     int sel = GetSelection ();
 402     if (sel > -1)
 403         return this->GetString (sel);
 404     else
 405         return wxString("");
 406 }
 407
 408 bool wxRadioBox::SetStringSelection (const wxString& s)
 409 {
 410     int sel = FindString (s);
 411     if (sel > -1)
 412     {
 413         SetSelection (sel);
 414         return TRUE;
 415     }
 416     else
 417         return FALSE;
 418 }
 419
 420 void wxRadioBox::Command (wxCommandEvent & event)
 421 {
 422     SetSelection (event.m_commandInt);
 423     ProcessCommand (event);
 424 }
 425
 426 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 427 {
 428     wxWindow::ChangeFont(keepOriginalSize);
 429
 430     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 431
 432     int i;
 433     for (i = 0; i < m_noItems; i++)
 434     {
 435         WXWidget radioButton = m_radioButtons[i];
 436
 437         XtVaSetValues ((Widget) radioButton,
 438                        XmNfontList, fontList,
 439                        XmNtopAttachment, XmATTACH_FORM,
 440                        NULL);
 441     }
 442 }
 443
 444 void wxRadioBox::ChangeBackgroundColour()
 445 {
 446     wxWindow::ChangeBackgroundColour();
 447
 448     DoChangeBackgroundColour((Widget) m_frameWidget, m_backgroundColour);
 449
 450     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 451
 452     int i;
 453     for (i = 0; i < m_noItems; i++)
 454     {
 455         WXWidget radioButton = m_radioButtons[i];
 456
 457         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 458
 459         XtVaSetValues ((Widget) radioButton,
 460           XmNselectColor, selectPixel,
 461           NULL);
 462     }
 463 }
 464
 465 void wxRadioBox::ChangeForegroundColour()
 466 {
 467     wxWindow::ChangeForegroundColour();
 468
 469     int i;
 470     for (i = 0; i < m_noItems; i++)
 471     {
 472         WXWidget radioButton = m_radioButtons[i];
 473
 474         DoChangeForegroundColour(radioButton, m_foregroundColour);
 475     }
 476 }
 477
 478 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 479                     XmToggleButtonCallbackStruct * cbs)
 480 {
 481   if (!cbs->set)
 482     return;
 483
 484   wxRadioBox *item = (wxRadioBox *) clientData;
 485   int sel = -1;
 486   int i;
 487   for (i = 0; i < item->Number(); i++)
 488     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 489       sel = i;
 490   item->SetSel(sel);
 491
 492   if (item->InSetValue())
 493     return;
 494
 495   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 496   event.m_commandInt = sel;
 497   event.SetEventObject(item);
 498   item->ProcessCommand (event);
 499 }
 500