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/Form.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 wxRadioBox::wxRadioBox()
  48 {
  49     m_selectedButton = -1;
  50     m_noItems = 0;
  51     m_noRowsOrCols = 0;
  52     m_majorDim = 0 ;
  53
  54     m_radioButtons = (WXWidget*) NULL;
  55     m_radioButtonLabels = (wxString*) NULL;
  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     m_selectedButton = -1;
  65     m_noItems = n;
  66     m_radioButtons = (WXWidget*) NULL;
  67     m_radioButtonLabels = (wxString*) NULL;
  68     m_backgroundColour = parent->GetBackgroundColour();
  69     m_foregroundColour = parent->GetForegroundColour();
  70     m_font = parent->GetFont();
  71
  72     SetName(name);
  73     SetValidator(val);
  74
  75     parent->AddChild(this);
  76
  77     m_windowStyle = (long&)style;
  78
  79     if (id == -1)
  80         m_windowId = NewControlId();
  81     else
  82         m_windowId = id;
  83
  84     m_noRowsOrCols = majorDim;
  85
  86     if (majorDim==0)
  87         m_majorDim = n ;
  88     else
  89         m_majorDim = majorDim ;
  90
  91     Widget parentWidget = (Widget) parent->GetClientWidget();
  92
  93     m_mainWidget = XtVaCreateWidget ("radiobxoframe",
  94                                         xmFrameWidgetClass, parentWidget,
  95                                         XmNshadowType, XmSHADOW_IN,
  96                                         XmNresizeHeight, True,
  97                                         XmNresizeWidth, True,
  98                                         NULL);
  99
 100     wxString label1(wxStripMenuCodes(title));
 101
 102     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay(parentWidget));
 103
 104     if (label1 != "")
 105     {
 106         wxXmString text(label1);
 107         (void)XtVaCreateManagedWidget(label1.c_str(),
 108 #if wxUSE_GADGETS
 109                                              style & wxCOLOURED ? xmLabelWidgetClass
 110                                                                 : xmLabelGadgetClass,
 111                                              (Widget)m_mainWidget,
 112 #else
 113                                              xmLabelWidgetClass, (Widget)m_mainWidget,
 114 #endif
 115                                              XmNfontList, fontList,
 116                                              XmNlabelString, text(),
 117                                              XmNframeChildType, XmFRAME_TITLE_CHILD,
 118                                              XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
 119                                              NULL);
 120     }
 121
 122     Arg args[3];
 123
 124     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 125
 126     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 127                                           XmHORIZONTAL : XmVERTICAL));
 128     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 129
 130     Widget radioBoxWidget = XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 2);
 131
 132     //    if (style & wxFLAT)
 133     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 134
 135     m_radioButtons = new WXWidget[n];
 136     m_radioButtonLabels = new wxString[n];
 137     int i;
 138     for (i = 0; i < n; i++)
 139     {
 140         wxString str(wxStripMenuCodes(choices[i]));
 141         m_radioButtonLabels[i] = str;
 142         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 143 #if wxUSE_GADGETS
 144                             xmToggleButtonGadgetClass, radioBoxWidget,
 145 #else
 146                                     xmToggleButtonWidgetClass, radioBoxWidget,
 147 #endif
 148                                     XmNfontList, fontList,
 149                                                  NULL);
 150         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 151                      (XtPointer) this);
 152     }
 153
 154     m_font = parent->GetFont();
 155     ChangeFont(FALSE);
 156
 157     SetSelection (0);
 158
 159     XtRealizeWidget((Widget)m_mainWidget);
 160     XtManageChild (radioBoxWidget);
 161     XtManageChild ((Widget)m_mainWidget);
 162
 163     SetCanAddEventHandler(TRUE);
 164     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 165
 166     ChangeBackgroundColour();
 167
 168     return TRUE;
 169 }
 170
 171
 172 wxRadioBox::~wxRadioBox()
 173 {
 174     delete[] m_radioButtonLabels;
 175     delete[] m_radioButtons;
 176
 177     DetachWidget(m_mainWidget);
 178     XtDestroyWidget((Widget) m_mainWidget);
 179
 180     m_mainWidget = (WXWidget) 0;
 181 }
 182
 183 void wxRadioBox::SetString(int item, const wxString& label)
 184 {
 185     if (item < 0 || item >= m_noItems)
 186         return;
 187
 188     Widget widget = (Widget) m_radioButtons[item];
 189     if (label != "")
 190     {
 191         wxString label1(wxStripMenuCodes(label));
 192         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 193         XtVaSetValues (widget,
 194                         XmNlabelString, text,
 195                         XmNlabelType, XmSTRING,
 196                         NULL);
 197         XmStringFree (text);
 198     }
 199 }
 200
 201 int wxRadioBox::FindString(const wxString& s) const
 202 {
 203     int i;
 204     for (i = 0; i < m_noItems; i++)
 205         if (s == m_radioButtonLabels[i])
 206             return i;
 207     return -1;
 208 }
 209
 210 void wxRadioBox::SetSelection(int n)
 211 {
 212     if ((n < 0) || (n >= m_noItems))
 213         return;
 214
 215     m_selectedButton = n;
 216
 217     m_inSetValue = TRUE;
 218
 219     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 220
 221     int i;
 222     for (i = 0; i < m_noItems; i++)
 223         if (i != n)
 224             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 225
 226     m_inSetValue = FALSE;
 227 }
 228
 229 // Get single selection, for single choice list items
 230 int wxRadioBox::GetSelection() const
 231 {
 232     return m_selectedButton;
 233 }
 234
 235 // Find string for position
 236 wxString wxRadioBox::GetString(int n) const
 237 {
 238     if ((n < 0) || (n >= m_noItems))
 239         return wxEmptyString;
 240     return m_radioButtonLabels[n];
 241 }
 242
 243 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 244 {
 245     bool managed = XtIsManaged((Widget) m_mainWidget);
 246
 247     if (managed)
 248         XtUnmanageChild ((Widget) m_mainWidget);
 249
 250     int xx = x; int yy = y;
 251     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 252
 253     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 254         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 255     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 256         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 257
 258     if (width > 0)
 259         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 260     if (height > 0)
 261         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 262
 263     if (managed)
 264         XtManageChild ((Widget) m_mainWidget);
 265 }
 266
 267 // Enable a specific button
 268 void wxRadioBox::Enable(int n, bool enable)
 269 {
 270     if ((n < 0) || (n >= m_noItems))
 271         return;
 272
 273     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 274 }
 275
 276 // Enable all controls
 277 bool wxRadioBox::Enable(bool enable)
 278 {
 279     if ( !wxControl::Enable(enable) )
 280         return FALSE;
 281
 282     int i;
 283     for (i = 0; i < m_noItems; i++)
 284         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 285
 286     return TRUE;
 287 }
 288
 289 bool wxRadioBox::Show(bool show)
 290 {
 291     // TODO: show/hide all children
 292     return wxControl::Show(show);
 293 }
 294
 295 // Show a specific button
 296 void wxRadioBox::Show(int n, bool show)
 297 {
 298   // This method isn't complete, and we try do do our best...
 299   // It's main purpose isn't for allowing Show/Unshow dynamically,
 300   // but rather to provide a way to design wxRadioBox such:
 301   //
 302   //        o Val1  o Val2   o Val3
 303   //        o Val4           o Val6
 304   //        o Val7  o Val8   o Val9
 305   //
 306   // In my case, this is a 'direction' box, and the Show(5,False) is
 307   // coupled with an Enable(5,False)
 308   //
 309     if ((n < 0) || (n >= m_noItems))
 310         return;
 311
 312     XtVaSetValues ((Widget) m_radioButtons[n],
 313         XmNindicatorOn, (unsigned char) show,
 314         NULL);
 315
 316     // Please note that this is all we can do: removing the label
 317     // if switching to unshow state. However, when switching
 318     // to the on state, it's the prog. resp. to call SetString(item,...)
 319     // after this call!!
 320     if (!show)
 321         wxRadioBox::SetString (n, " ");
 322 }
 323
 324 // For single selection items only
 325 wxString wxRadioBox::GetStringSelection () const
 326 {
 327     int sel = GetSelection ();
 328     if (sel > -1)
 329         return this->GetString (sel);
 330     else
 331         return wxString("");
 332 }
 333
 334 bool wxRadioBox::SetStringSelection (const wxString& s)
 335 {
 336     int sel = FindString (s);
 337     if (sel > -1)
 338     {
 339         SetSelection (sel);
 340         return TRUE;
 341     }
 342     else
 343         return FALSE;
 344 }
 345
 346 void wxRadioBox::Command (wxCommandEvent & event)
 347 {
 348     SetSelection (event.m_commandInt);
 349     ProcessCommand (event);
 350 }
 351
 352 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 353 {
 354     wxWindow::ChangeFont(keepOriginalSize);
 355
 356     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 357
 358     int i;
 359     for (i = 0; i < m_noItems; i++)
 360     {
 361         WXWidget radioButton = m_radioButtons[i];
 362
 363         XtVaSetValues ((Widget) radioButton,
 364                        XmNfontList, fontList,
 365                        NULL);
 366     }
 367 }
 368
 369 void wxRadioBox::ChangeBackgroundColour()
 370 {
 371     wxWindow::ChangeBackgroundColour();
 372
 373     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 374
 375     int i;
 376     for (i = 0; i < m_noItems; i++)
 377     {
 378         WXWidget radioButton = m_radioButtons[i];
 379
 380         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 381
 382         XtVaSetValues ((Widget) radioButton,
 383           XmNselectColor, selectPixel,
 384           NULL);
 385     }
 386 }
 387
 388 void wxRadioBox::ChangeForegroundColour()
 389 {
 390     wxWindow::ChangeForegroundColour();
 391
 392     int i;
 393     for (i = 0; i < m_noItems; i++)
 394     {
 395         WXWidget radioButton = m_radioButtons[i];
 396
 397         DoChangeForegroundColour(radioButton, m_foregroundColour);
 398     }
 399 }
 400
 401 static int CalcOtherDim( int items, int dim )
 402 {
 403     return items / dim + ( items % dim ? 1 : 0 );
 404 }
 405
 406 int wxRadioBox::GetRowCount() const
 407 {
 408     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 409         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 410 }
 411
 412 int wxRadioBox::GetColumnCount() const
 413 {
 414     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 415         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 416 }
 417
 418 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 419                     XmToggleButtonCallbackStruct * cbs)
 420 {
 421   if (!cbs->set)
 422     return;
 423
 424   wxRadioBox *item = (wxRadioBox *) clientData;
 425   int sel = -1;
 426   int i;
 427   for (i = 0; i < item->GetCount(); i++)
 428     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[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