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
  61     SetName(name);
  62     SetValidator(val);
  63
  64     parent->AddChild(this);
  65
  66     m_windowStyle = (long&)style;
  67
  68     if (id == -1)
  69         m_windowId = NewControlId();
  70     else
  71         m_windowId = id;
  72
  73     m_noRowsOrCols = majorDim;
  74
  75     if (majorDim==0)
  76         m_majorDim = n ;
  77     else
  78         m_majorDim = majorDim ;
  79
  80     Widget parentWidget = (Widget) parent->GetClientWidget();
  81
  82     wxString label1(wxStripMenuCodes(title));
  83
  84     XmString text = XmStringCreateSimple ((char*) (const char*) label1);
  85
  86     Widget formWidget = XtVaCreateManagedWidget ((char*) (const char*) name,
  87                                         xmFormWidgetClass, parentWidget,
  88                                         XmNmarginHeight, 0,
  89                                         XmNmarginWidth, 0,
  90                                         NULL);
  91
  92     m_formWidget = (WXWidget) formWidget;
  93
  94     if (label1 != "")
  95     {
  96         text = XmStringCreateSimple ((char*) (const char*) label1);
  97         Widget labelWidget = XtVaCreateManagedWidget ((char*) (const char*) label1,
  98 #if wxUSE_GADGETS
  99                                              style & wxCOLOURED ?
 100                                     xmLabelWidgetClass : xmLabelGadgetClass,
 101                                              formWidget,
 102 #else
 103                                              xmLabelWidgetClass, formWidget,
 104 #endif
 105                                              XmNlabelString, text,
 106                                              NULL);
 107
 108 /* TODO: change label font
 109         if (labelFont)
 110                 XtVaSetValues (labelWidget,
 111                        XmNfontList, labelFont->GetInternalFont (XtDisplay(formWidget)),
 112                        NULL);
 113 */
 114
 115         XmStringFree (text);
 116     }
 117
 118     Arg args[3];
 119
 120     majorDim = (n + majorDim - 1) / majorDim;
 121
 122     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 123                                         XmHORIZONTAL : XmVERTICAL));
 124     XtSetArg (args[1], XmNnumColumns, majorDim);
 125
 126     Widget radioBoxWidget = XmCreateRadioBox (formWidget, "radioBoxWidget", args, 2);
 127     m_mainWidget = (WXWidget) radioBoxWidget;
 128
 129
 130     if (m_labelWidget)
 131             XtVaSetValues ((Widget) m_labelWidget,
 132                        XmNtopAttachment, XmATTACH_FORM,
 133                        XmNleftAttachment, XmATTACH_FORM,
 134                        XmNalignment, XmALIGNMENT_BEGINNING,
 135                        NULL);
 136
 137     XtVaSetValues (radioBoxWidget,
 138             XmNtopAttachment, m_labelWidget ? XmATTACH_WIDGET : XmATTACH_FORM,
 139                      XmNtopWidget, m_labelWidget ? (Widget) m_labelWidget : formWidget,
 140                      XmNbottomAttachment, XmATTACH_FORM,
 141                      XmNleftAttachment, XmATTACH_FORM,
 142                      NULL);
 143
 144     //    if (style & wxFLAT)
 145     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 146
 147     m_radioButtons = new WXWidget[n];
 148     m_radioButtonLabels = new wxString[n];
 149     int i;
 150     for (i = 0; i < n; i++)
 151     {
 152         wxString str(wxStripMenuCodes(choices[i]));
 153         m_radioButtonLabels[i] = str;
 154         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 155 #if wxUSE_GADGETS
 156                             xmToggleButtonGadgetClass, radioBoxWidget,
 157 #else
 158                                     xmToggleButtonWidgetClass, radioBoxWidget,
 159 #endif
 160                                                  NULL);
 161         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 162                      (XtCallbackProc) this);
 163
 164 /* TODO: set font
 165         if (buttonFont)
 166                 XtVaSetValues ((Widget) m_radioButtons[i],
 167                        XmNfontList, buttonFont->GetInternalFont (XtDisplay(formWidget)),
 168                        NULL);
 169 */
 170     }
 171     SetSelection (0);
 172
 173     XtManageChild (radioBoxWidget);
 174
 175     SetCanAddEventHandler(TRUE);
 176     AttachWidget (parent, m_mainWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 177
 178     SetFont(* parent->GetFont());
 179     ChangeColour(m_mainWidget);
 180
 181     return TRUE;
 182 }
 183
 184
 185 wxRadioBox::~wxRadioBox()
 186 {
 187     delete[] m_radioButtonLabels;
 188     delete[] m_radioButtons;
 189 }
 190
 191 wxString wxRadioBox::GetLabel(int item) const
 192 {
 193     if (item < 0 || item >= m_noItems)
 194         return wxEmptyString;
 195
 196     Widget widget = (Widget) m_radioButtons[item];
 197     XmString text;
 198     char *s;
 199     XtVaGetValues (widget,
 200                     XmNlabelString, &text,
 201                     NULL);
 202
 203     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 204     {
 205         // Should we free 'text'???
 206         XmStringFree(text);
 207         wxString str(s);
 208         XtFree (s);
 209         return str;
 210     }
 211     else
 212     {
 213         XmStringFree(text);
 214         return wxEmptyString;
 215     }
 216 }
 217
 218 void wxRadioBox::SetLabel(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::SetSize(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 void wxRadioBox::Enable(bool enable)
 327 {
 328     wxControl::Enable(enable);
 329
 330     int i;
 331     for (i = 0; i < m_noItems; i++)
 332         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 333 }
 334
 335 // Show a specific button
 336 void wxRadioBox::Show(int n, bool show)
 337 {
 338   // This method isn't complete, and we try do do our best...
 339   // It's main purpose isn't for allowing Show/Unshow dynamically,
 340   // but rather to provide a way to design wxRadioBox such:
 341   //
 342   //        o Val1  o Val2   o Val3
 343   //        o Val4           o Val6
 344   //        o Val7  o Val8   o Val9
 345   //
 346   // In my case, this is a 'direction' box, and the Show(5,False) is
 347   // coupled with an Enable(5,False)
 348   //
 349     if ((n < 0) || (n >= m_noItems))
 350         return;
 351
 352     XtVaSetValues ((Widget) m_radioButtons[n],
 353         XmNindicatorOn, (unsigned char) show,
 354         NULL);
 355
 356     // Please note that this is all we can do: removing the label
 357     // if switching to unshow state. However, when switching
 358     // to the on state, it's the prog. resp. to call SetLabel(item,...)
 359     // after this call!!
 360     if (!show)
 361         wxRadioBox::SetLabel (n, " ");
 362 }
 363
 364 // For single selection items only
 365 wxString wxRadioBox::GetStringSelection () const
 366 {
 367     int sel = GetSelection ();
 368     if (sel > -1)
 369         return this->GetString (sel);
 370     else
 371         return wxString("");
 372 }
 373
 374 bool wxRadioBox::SetStringSelection (const wxString& s)
 375 {
 376     int sel = FindString (s);
 377     if (sel > -1)
 378     {
 379         SetSelection (sel);
 380         return TRUE;
 381     }
 382     else
 383         return FALSE;
 384 }
 385
 386 void wxRadioBox::Command (wxCommandEvent & event)
 387 {
 388     SetSelection (event.m_commandInt);
 389     ProcessCommand (event);
 390 }
 391
 392 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 393                     XmToggleButtonCallbackStruct * cbs)
 394 {
 395   if (!cbs->set)
 396     return;
 397
 398   wxRadioBox *item = (wxRadioBox *) clientData;
 399   int sel = -1;
 400   int i;
 401   for (i = 0; i < item->Number(); i++)
 402     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 403       sel = i;
 404   item->SetSel(sel);
 405
 406   if (item->InSetValue())
 407     return;
 408
 409   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 410   event.m_commandInt = sel;
 411   event.SetEventObject(item);
 412   item->ProcessCommand (event);
 413 }
 414