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