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