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