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