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