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 #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 wxRadioBox::wxRadioBox()
  47 {
  48     m_selectedButton = -1;
  49     m_noItems = 0;
  50     m_noRowsOrCols = 0;
  51     m_majorDim = 0 ;
  52
  53     m_radioButtons = (WXWidget*) NULL;
  54     m_radioButtonLabels = (wxString*) NULL;
  55 }
  56
  57 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  58              const wxPoint& pos, const wxSize& size,
  59              int n, const wxString choices[],
  60              int majorDim, long style,
  61              const wxValidator& val, const wxString& name)
  62 {
  63     m_selectedButton = -1;
  64     m_noItems = n;
  65     m_radioButtons = (WXWidget*) NULL;
  66     m_radioButtonLabels = (wxString*) NULL;
  67     m_backgroundColour = parent->GetBackgroundColour();
  68     m_foregroundColour = parent->GetForegroundColour();
  69     m_font = parent->GetFont();
  70
  71     SetName(name);
  72     SetValidator(val);
  73
  74     parent->AddChild(this);
  75
  76     m_windowStyle = (long&)style;
  77
  78     if (id == -1)
  79         m_windowId = NewControlId();
  80     else
  81         m_windowId = id;
  82
  83     m_noRowsOrCols = majorDim;
  84
  85     if (majorDim==0)
  86         m_majorDim = n ;
  87     else
  88         m_majorDim = majorDim ;
  89
  90     Widget parentWidget = (Widget) parent->GetClientWidget();
  91
  92     m_mainWidget = XtVaCreateWidget ("radioboxframe",
  93                                         xmFrameWidgetClass, parentWidget,
  94                                         XmNresizeHeight, True,
  95                                         XmNresizeWidth, True,
  96                                         NULL);
  97
  98     wxString label1(wxStripMenuCodes(title));
  99
 100     WXFontType fontType = m_font.GetFontType(XtDisplay(parentWidget));
 101
 102     if (label1 != "")
 103     {
 104         wxXmString text(label1);
 105         (void)XtVaCreateManagedWidget( label1.c_str(),
 106 #if wxUSE_GADGETS
 107                                        style & wxCOLOURED ? xmLabelWidgetClass
 108                                                           : xmLabelGadgetClass,
 109                                        (Widget)m_mainWidget,
 110 #else
 111                                        xmLabelWidgetClass,
 112                                        (Widget)m_mainWidget,
 113 #endif
 114                                        wxFont::GetFontTag(), fontType,
 115                                        XmNlabelString, text(),
 116 // XmNframeChildType is not in Motif 1.2, nor in Lesstif,
 117 // if it was compiled with 1.2 compatibility
 118 // TODO: check this still looks OK for Motif 1.2.
 119 #if (XmVersion > 1200)
 120                                        XmNframeChildType, XmFRAME_TITLE_CHILD,
 121 #else
 122                                        XmNchildType, XmFRAME_TITLE_CHILD,
 123 #endif
 124                                        XmNchildVerticalAlignment,
 125                                            XmALIGNMENT_CENTER,
 126                                        NULL);
 127     }
 128
 129     Arg args[3];
 130
 131     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 132
 133     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 134                                           XmHORIZONTAL : XmVERTICAL));
 135     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 136
 137     Widget radioBoxWidget = XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 2);
 138
 139     //    if (style & wxFLAT)
 140     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 141
 142     m_radioButtons = new WXWidget[n];
 143     m_radioButtonLabels = new wxString[n];
 144     int i;
 145     for (i = 0; i < n; i++)
 146     {
 147         wxString str(wxStripMenuCodes(choices[i]));
 148         m_radioButtonLabels[i] = str;
 149         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget (wxConstCast(str.c_str(), char),
 150 #if wxUSE_GADGETS
 151                             xmToggleButtonGadgetClass, radioBoxWidget,
 152 #else
 153                             xmToggleButtonWidgetClass, radioBoxWidget,
 154 #endif
 155                             wxFont::GetFontTag(), fontType,
 156                                                  NULL);
 157         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 158                      (XtPointer) this);
 159     }
 160
 161     m_font = parent->GetFont();
 162     ChangeFont(FALSE);
 163
 164     SetSelection (0);
 165
 166     XtRealizeWidget((Widget)m_mainWidget);
 167     XtManageChild (radioBoxWidget);
 168     XtManageChild ((Widget)m_mainWidget);
 169
 170     SetCanAddEventHandler(TRUE);
 171     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 172
 173     ChangeBackgroundColour();
 174
 175     return TRUE;
 176 }
 177
 178
 179 wxRadioBox::~wxRadioBox()
 180 {
 181     delete[] m_radioButtonLabels;
 182     delete[] m_radioButtons;
 183
 184     DetachWidget(m_mainWidget);
 185     XtDestroyWidget((Widget) m_mainWidget);
 186
 187     m_mainWidget = (WXWidget) 0;
 188 }
 189
 190 void wxRadioBox::SetString(int item, const wxString& label)
 191 {
 192     if (item < 0 || item >= m_noItems)
 193         return;
 194
 195     Widget widget = (Widget) m_radioButtons[item];
 196     if (label != "")
 197     {
 198         wxString label1(wxStripMenuCodes(label));
 199         wxXmString text( label1 );
 200         XtVaSetValues (widget,
 201                         XmNlabelString, text(),
 202                         XmNlabelType, XmSTRING,
 203                         NULL);
 204     }
 205 }
 206
 207 int wxRadioBox::FindString(const wxString& s) const
 208 {
 209     int i;
 210     for (i = 0; i < m_noItems; i++)
 211         if (s == m_radioButtonLabels[i])
 212             return i;
 213     return -1;
 214 }
 215
 216 void wxRadioBox::SetSelection(int n)
 217 {
 218     if ((n < 0) || (n >= m_noItems))
 219         return;
 220
 221     m_selectedButton = n;
 222
 223     m_inSetValue = TRUE;
 224
 225     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 226
 227     int i;
 228     for (i = 0; i < m_noItems; i++)
 229         if (i != n)
 230             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 231
 232     m_inSetValue = FALSE;
 233 }
 234
 235 // Get single selection, for single choice list items
 236 int wxRadioBox::GetSelection() const
 237 {
 238     return m_selectedButton;
 239 }
 240
 241 // Find string for position
 242 wxString wxRadioBox::GetString(int n) const
 243 {
 244     if ((n < 0) || (n >= m_noItems))
 245         return wxEmptyString;
 246     return m_radioButtonLabels[n];
 247 }
 248
 249 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 250 {
 251     bool managed = XtIsManaged((Widget) m_mainWidget);
 252
 253     if (managed)
 254         XtUnmanageChild ((Widget) m_mainWidget);
 255
 256     int xx = x; int yy = y;
 257     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 258
 259     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 260         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 261     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 262         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 263
 264     if (width > 0)
 265         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 266     if (height > 0)
 267         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 268
 269     if (managed)
 270         XtManageChild ((Widget) m_mainWidget);
 271 }
 272
 273 // Enable a specific button
 274 void wxRadioBox::Enable(int n, bool enable)
 275 {
 276     if ((n < 0) || (n >= m_noItems))
 277         return;
 278
 279     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 280 }
 281
 282 // Enable all controls
 283 bool wxRadioBox::Enable(bool enable)
 284 {
 285     if ( !wxControl::Enable(enable) )
 286         return FALSE;
 287
 288     int i;
 289     for (i = 0; i < m_noItems; i++)
 290         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 291
 292     return TRUE;
 293 }
 294
 295 bool wxRadioBox::Show(bool show)
 296 {
 297     // TODO: show/hide all children
 298     return wxControl::Show(show);
 299 }
 300
 301 // Show a specific button
 302 void wxRadioBox::Show(int n, bool show)
 303 {
 304   // This method isn't complete, and we try do do our best...
 305   // It's main purpose isn't for allowing Show/Unshow dynamically,
 306   // but rather to provide a way to design wxRadioBox such:
 307   //
 308   //        o Val1  o Val2   o Val3
 309   //        o Val4           o Val6
 310   //        o Val7  o Val8   o Val9
 311   //
 312   // In my case, this is a 'direction' box, and the Show(5,False) is
 313   // coupled with an Enable(5,False)
 314   //
 315     if ((n < 0) || (n >= m_noItems))
 316         return;
 317
 318     XtVaSetValues ((Widget) m_radioButtons[n],
 319         XmNindicatorOn, (unsigned char) show,
 320         NULL);
 321
 322     // Please note that this is all we can do: removing the label
 323     // if switching to unshow state. However, when switching
 324     // to the on state, it's the prog. resp. to call SetString(item,...)
 325     // after this call!!
 326     if (!show)
 327         wxRadioBox::SetString (n, " ");
 328 }
 329
 330 // For single selection items only
 331 wxString wxRadioBox::GetStringSelection () const
 332 {
 333     int sel = GetSelection ();
 334     if (sel > -1)
 335         return this->GetString (sel);
 336     else
 337         return wxString("");
 338 }
 339
 340 bool wxRadioBox::SetStringSelection (const wxString& s)
 341 {
 342     int sel = FindString (s);
 343     if (sel > -1)
 344     {
 345         SetSelection (sel);
 346         return TRUE;
 347     }
 348     else
 349         return FALSE;
 350 }
 351
 352 void wxRadioBox::Command (wxCommandEvent & event)
 353 {
 354     SetSelection (event.m_commandInt);
 355     ProcessCommand (event);
 356 }
 357
 358 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 359 {
 360     wxWindow::ChangeFont(keepOriginalSize);
 361
 362     WXFontType fontType =
 363         m_font.GetFontType(XtDisplay((Widget) GetTopWidget()));
 364
 365     int i;
 366     for (i = 0; i < m_noItems; i++)
 367     {
 368         WXWidget radioButton = m_radioButtons[i];
 369
 370         XtVaSetValues ((Widget) radioButton,
 371                        wxFont::GetFontTag(), fontType,
 372                        NULL);
 373     }
 374 }
 375
 376 void wxRadioBox::ChangeBackgroundColour()
 377 {
 378     wxWindow::ChangeBackgroundColour();
 379
 380     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 381
 382     int i;
 383     for (i = 0; i < m_noItems; i++)
 384     {
 385         WXWidget radioButton = m_radioButtons[i];
 386
 387         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 388
 389         XtVaSetValues ((Widget) radioButton,
 390           XmNselectColor, selectPixel,
 391           NULL);
 392     }
 393 }
 394
 395 void wxRadioBox::ChangeForegroundColour()
 396 {
 397     wxWindow::ChangeForegroundColour();
 398
 399     int i;
 400     for (i = 0; i < m_noItems; i++)
 401     {
 402         WXWidget radioButton = m_radioButtons[i];
 403
 404         DoChangeForegroundColour(radioButton, m_foregroundColour);
 405     }
 406 }
 407
 408 static int CalcOtherDim( int items, int dim )
 409 {
 410     return items / dim + ( items % dim ? 1 : 0 );
 411 }
 412
 413 int wxRadioBox::GetRowCount() const
 414 {
 415     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 416         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 417 }
 418
 419 int wxRadioBox::GetColumnCount() const
 420 {
 421     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 422         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 423 }
 424
 425 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 426                     XmToggleButtonCallbackStruct * cbs)
 427 {
 428   if (!cbs->set)
 429     return;
 430
 431   wxRadioBox *item = (wxRadioBox *) clientData;
 432   int sel = -1;
 433   int i;
 434   for (i = 0; i < item->GetCount(); i++)
 435     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 436       sel = i;
 437   item->SetSel(sel);
 438
 439   if (item->InSetValue())
 440     return;
 441
 442   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 443   event.SetInt(sel);
 444   event.SetString(item->GetStringSelection());
 445   event.SetEventObject(item);
 446   item->ProcessCommand (event);
 447 }
 448