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