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