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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "radiobox.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __VMS
  20 #define XtDisplay XTDISPLAY
  21 #endif
  22
  23 #include "wx/defs.h"
  24
  25 #include "wx/radiobox.h"
  26 #include "wx/utils.h"
  27 #include "wx/arrstr.h"
  28
  29 #ifdef __VMS__
  30 #pragma message disable nosimpint
  31 #endif
  32 #include <Xm/Label.h>
  33 #include <Xm/LabelG.h>
  34 #include <Xm/ToggleB.h>
  35 #include <Xm/ToggleBG.h>
  36 #include <Xm/RowColumn.h>
  37 #include <Xm/Frame.h>
  38 #ifdef __VMS__
  39 #pragma message enable nosimpint
  40 #endif
  41
  42 #include "wx/motif/private.h"
  43
  44 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  45                     XmToggleButtonCallbackStruct * cbs);
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  48
  49 // Radio box item
  50 void wxRadioBox::Init()
  51 {
  52     m_selectedButton = -1;
  53     m_noItems = 0;
  54     m_noRowsOrCols = 0;
  55     m_majorDim = 0 ;
  56 }
  57
  58 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  59              const wxPoint& pos, const wxSize& size,
  60              int n, const wxString choices[],
  61              int majorDim, long style,
  62              const wxValidator& val, const wxString& name)
  63 {
  64     if( !CreateControl( parent, id, pos, size, style, val, name ) )
  65         return false;
  66
  67     m_noItems = n;
  68     m_noRowsOrCols = majorDim;
  69
  70     if (majorDim==0)
  71         m_majorDim = n ;
  72     else
  73         m_majorDim = majorDim ;
  74
  75     Widget parentWidget = (Widget) parent->GetClientWidget();
  76     Display* dpy = XtDisplay(parentWidget);
  77
  78     m_mainWidget = XtVaCreateWidget ("radioboxframe",
  79                                      xmFrameWidgetClass, parentWidget,
  80                                      XmNresizeHeight, True,
  81                                      XmNresizeWidth, True,
  82                                      NULL);
  83
  84     wxString label1(wxStripMenuCodes(title));
  85
  86     if (!label1.empty())
  87     {
  88         wxXmString text(label1);
  89         m_labelWidget = (WXWidget)
  90             XtVaCreateManagedWidget( label1.c_str(),
  91 #if wxUSE_GADGETS
  92                 style & wxCOLOURED ? xmLabelWidgetClass
  93                                    : xmLabelGadgetClass,
  94                 (Widget)m_mainWidget,
  95 #else
  96                 xmLabelWidgetClass, (Widget)m_mainWidget,
  97 #endif
  98                 wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
  99                 XmNlabelString, text(),
 100 // XmNframeChildType is not in Motif 1.2, nor in Lesstif,
 101 // if it was compiled with 1.2 compatibility
 102 // TODO: check this still looks OK for Motif 1.2.
 103 #if (XmVersion > 1200)
 104                 XmNframeChildType, XmFRAME_TITLE_CHILD,
 105 #else
 106                 XmNchildType, XmFRAME_TITLE_CHILD,
 107 #endif
 108                 XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
 109                 NULL);
 110     }
 111
 112     Arg args[3];
 113
 114     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 115
 116     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 117                                           XmHORIZONTAL : XmVERTICAL));
 118     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 119     XtSetArg (args[2], XmNadjustLast, False);
 120
 121     Widget radioBoxWidget =
 122         XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 3);
 123
 124     m_radioButtons.reserve(n);
 125     m_radioButtonLabels.reserve(n);
 126
 127     int i;
 128     for (i = 0; i < n; i++)
 129     {
 130         wxString str(wxStripMenuCodes(choices[i]));
 131         m_radioButtonLabels.push_back(str);
 132         Widget radioItem =  XtVaCreateManagedWidget (
 133                                 wxConstCast(str.c_str(), char),
 134 #if wxUSE_GADGETS
 135                                 xmToggleButtonGadgetClass, radioBoxWidget,
 136 #else
 137                                 xmToggleButtonWidgetClass, radioBoxWidget,
 138 #endif
 139                                 wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
 140                                 NULL);
 141         m_radioButtons.push_back((WXWidget)radioItem);
 142         XtAddCallback (radioItem, XmNvalueChangedCallback,
 143                        (XtCallbackProc) wxRadioBoxCallback,
 144                        (XtPointer) this);
 145     }
 146
 147     ChangeFont(false);
 148
 149     SetSelection (0);
 150
 151     XtRealizeWidget((Widget)m_mainWidget);
 152     XtManageChild (radioBoxWidget);
 153     XtManageChild ((Widget)m_mainWidget);
 154
 155     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 156
 157     ChangeBackgroundColour();
 158
 159     return true;
 160 }
 161
 162 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
 163              const wxPoint& pos, const wxSize& size,
 164              const wxArrayString& choices,
 165              int majorDim, long style,
 166              const wxValidator& val, const wxString& name)
 167 {
 168     wxCArrayString chs(choices);
 169     return Create(parent, id, title, pos, size, chs.GetCount(),
 170                   chs.GetStrings(), majorDim, style, val, name);
 171 }
 172
 173 wxRadioBox::~wxRadioBox()
 174 {
 175     DetachWidget(m_mainWidget);
 176     XtDestroyWidget((Widget) m_mainWidget);
 177
 178     m_mainWidget = (WXWidget) 0;
 179 }
 180
 181 void wxRadioBox::SetString(int item, const wxString& label)
 182 {
 183     if (!IsValid(item))
 184         return;
 185
 186     Widget widget = (Widget) m_radioButtons[item];
 187     if (!label.empty())
 188     {
 189         wxString label1(wxStripMenuCodes(label));
 190         wxXmString text( label1 );
 191         m_radioButtonLabels[item] = label1;
 192         XtVaSetValues (widget,
 193                         XmNlabelString, text(),
 194                         XmNlabelType, XmSTRING,
 195                         NULL);
 196     }
 197 }
 198
 199 int wxRadioBox::FindString(const wxString& s) const
 200 {
 201     int i;
 202     for (i = 0; i < m_noItems; i++)
 203         if (s == m_radioButtonLabels[i])
 204             return i;
 205     return wxNOT_FOUND;
 206 }
 207
 208 void wxRadioBox::SetSelection(int n)
 209 {
 210     if (!IsValid(n))
 211         return;
 212
 213     m_selectedButton = n;
 214
 215     m_inSetValue = true;
 216
 217     XmToggleButtonSetState ((Widget) m_radioButtons[n], True, False);
 218
 219     int i;
 220     for (i = 0; i < m_noItems; i++)
 221         if (i != n)
 222             XmToggleButtonSetState ((Widget) m_radioButtons[i], False, False);
 223
 224     m_inSetValue = false;
 225 }
 226
 227 // Get single selection, for single choice list items
 228 int wxRadioBox::GetSelection() const
 229 {
 230     return m_selectedButton;
 231 }
 232
 233 // Find string for position
 234 wxString wxRadioBox::GetString(int n) const
 235 {
 236     if (!IsValid(n))
 237         return wxEmptyString;
 238     return m_radioButtonLabels[n];
 239 }
 240
 241 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 242 {
 243     bool managed = XtIsManaged((Widget) m_mainWidget);
 244
 245     if (managed)
 246         XtUnmanageChild ((Widget) m_mainWidget);
 247
 248     int xx = x; int yy = y;
 249     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 250
 251     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 252         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 253     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 254         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 255
 256     if (width > 0)
 257         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 258     if (height > 0)
 259         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 260
 261     if (managed)
 262         XtManageChild ((Widget) m_mainWidget);
 263 }
 264
 265 // Enable a specific button
 266 bool wxRadioBox::Enable(int n, bool enable)
 267 {
 268     if (!IsValid(n))
 269         return false;
 270
 271     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 272     return true;
 273 }
 274
 275 // Enable all controls
 276 bool wxRadioBox::Enable(bool enable)
 277 {
 278     if ( !wxControl::Enable(enable) )
 279         return false;
 280
 281     int i;
 282     for (i = 0; i < m_noItems; i++)
 283         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 284
 285     return true;
 286 }
 287
 288 bool wxRadioBox::Show(bool show)
 289 {
 290     // TODO: show/hide all children
 291     return wxControl::Show(show);
 292 }
 293
 294 // Show a specific button
 295 bool wxRadioBox::Show(int n, bool show)
 296 {
 297   // This method isn't complete, and we try do do our best...
 298   // It's main purpose isn't for allowing Show/Unshow dynamically,
 299   // but rather to provide a way to design wxRadioBox such:
 300   //
 301   //        o Val1  o Val2   o Val3
 302   //        o Val4           o Val6
 303   //        o Val7  o Val8   o Val9
 304   //
 305   // In my case, this is a 'direction' box, and the Show(5,False) is
 306   // coupled with an Enable(5,False)
 307   //
 308     if (!IsValid(n))
 309         return false;
 310
 311     XtVaSetValues ((Widget) m_radioButtons[n],
 312         XmNindicatorOn, (unsigned char) show,
 313         NULL);
 314
 315     // Please note that this is all we can do: removing the label
 316     // if switching to unshow state. However, when switching
 317     // to the on state, it's the prog. resp. to call SetString(item,...)
 318     // after this call!!
 319     if (!show)
 320         wxRadioBox::SetString (n, " ");
 321
 322     return true;
 323 }
 324
 325 // For single selection items only
 326 wxString wxRadioBox::GetStringSelection () const
 327 {
 328     int sel = GetSelection ();
 329     if (sel > -1)
 330         return this->GetString (sel);
 331     else
 332         return wxEmptyString;
 333 }
 334
 335 bool wxRadioBox::SetStringSelection (const wxString& s)
 336 {
 337     int sel = FindString (s);
 338     if (sel > -1)
 339     {
 340         SetSelection (sel);
 341         return true;
 342     }
 343     else
 344         return false;
 345 }
 346
 347 void wxRadioBox::Command (wxCommandEvent & event)
 348 {
 349     SetSelection (event.GetInt());
 350     ProcessCommand (event);
 351 }
 352
 353 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 354 {
 355     wxWindow::ChangeFont(keepOriginalSize);
 356
 357     int i;
 358     for (i = 0; i < m_noItems; i++)
 359     {
 360         WXWidget radioButton = m_radioButtons[i];
 361
 362         XtVaSetValues ((Widget) radioButton,
 363                        wxFont::GetFontTag(), m_font.GetFontTypeC(XtDisplay((Widget) GetTopWidget())),
 364                        NULL);
 365     }
 366 }
 367
 368 void wxRadioBox::ChangeBackgroundColour()
 369 {
 370     wxWindow::ChangeBackgroundColour();
 371
 372     int selectPixel = wxBLACK->AllocColour(XtDisplay((Widget)m_mainWidget));
 373
 374     int i;
 375     for (i = 0; i < m_noItems; i++)
 376     {
 377         WXWidget radioButton = m_radioButtons[i];
 378
 379         wxDoChangeBackgroundColour(radioButton, m_backgroundColour, true);
 380
 381         XtVaSetValues ((Widget) radioButton,
 382           XmNselectColor, selectPixel,
 383           NULL);
 384     }
 385 }
 386
 387 void wxRadioBox::ChangeForegroundColour()
 388 {
 389     wxWindow::ChangeForegroundColour();
 390
 391     int i;
 392     for (i = 0; i < m_noItems; i++)
 393     {
 394         WXWidget radioButton = m_radioButtons[i];
 395
 396         wxDoChangeForegroundColour(radioButton, m_foregroundColour);
 397     }
 398 }
 399
 400 static int CalcOtherDim( int items, int dim )
 401 {
 402     return items / dim + ( items % dim ? 1 : 0 );
 403 }
 404
 405 int wxRadioBox::GetRowCount() const
 406 {
 407     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 408         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 409 }
 410
 411 int wxRadioBox::GetColumnCount() const
 412 {
 413     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 414         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 415 }
 416
 417 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 418                     XmToggleButtonCallbackStruct * cbs)
 419 {
 420   if (!cbs->set)
 421     return;
 422
 423   wxRadioBox *item = (wxRadioBox *) clientData;
 424   int sel = -1;
 425   int i;
 426   const wxWidgetArray& buttons = item->GetRadioButtons();
 427   for (i = 0; i < item->GetCount(); i++)
 428     if (((Widget)buttons[i]) == w)
 429       sel = i;
 430   item->SetSel(sel);
 431
 432   if (item->InSetValue())
 433     return;
 434
 435   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 436   event.SetInt(sel);
 437   event.SetString(item->GetStringSelection());
 438   event.SetEventObject(item);
 439   item->ProcessCommand (event);
 440 }
 441