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