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