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 ("radioboxframe",
  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 is not in Motif 1.2.
 118 // TODO: check this still looks OK for Motif 1.2.
 119 #if (XmVersion > 1200) || defined(LESSTIF_VERSION)
 120                                              XmNframeChildType, XmFRAME_TITLE_CHILD,
 121 #endif
 122                                              XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
 123                                              NULL);
 124     }
 125
 126     Arg args[3];
 127
 128     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 129
 130     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 131                                           XmHORIZONTAL : XmVERTICAL));
 132     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 133
 134     Widget radioBoxWidget = XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 2);
 135
 136     //    if (style & wxFLAT)
 137     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 138
 139     m_radioButtons = new WXWidget[n];
 140     m_radioButtonLabels = new wxString[n];
 141     int i;
 142     for (i = 0; i < n; i++)
 143     {
 144         wxString str(wxStripMenuCodes(choices[i]));
 145         m_radioButtonLabels[i] = str;
 146         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 147 #if wxUSE_GADGETS
 148                             xmToggleButtonGadgetClass, radioBoxWidget,
 149 #else
 150                                     xmToggleButtonWidgetClass, radioBoxWidget,
 151 #endif
 152                                     XmNfontList, fontList,
 153                                                  NULL);
 154         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 155                      (XtPointer) this);
 156     }
 157
 158     m_font = parent->GetFont();
 159     ChangeFont(FALSE);
 160
 161     SetSelection (0);
 162
 163     XtRealizeWidget((Widget)m_mainWidget);
 164     XtManageChild (radioBoxWidget);
 165     XtManageChild ((Widget)m_mainWidget);
 166
 167     SetCanAddEventHandler(TRUE);
 168     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 169
 170     ChangeBackgroundColour();
 171
 172     return TRUE;
 173 }
 174
 175
 176 wxRadioBox::~wxRadioBox()
 177 {
 178     delete[] m_radioButtonLabels;
 179     delete[] m_radioButtons;
 180
 181     DetachWidget(m_mainWidget);
 182     XtDestroyWidget((Widget) m_mainWidget);
 183
 184     m_mainWidget = (WXWidget) 0;
 185 }
 186
 187 void wxRadioBox::SetString(int item, const wxString& label)
 188 {
 189     if (item < 0 || item >= m_noItems)
 190         return;
 191
 192     Widget widget = (Widget) m_radioButtons[item];
 193     if (label != "")
 194     {
 195         wxString label1(wxStripMenuCodes(label));
 196         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 197         XtVaSetValues (widget,
 198                         XmNlabelString, text,
 199                         XmNlabelType, XmSTRING,
 200                         NULL);
 201         XmStringFree (text);
 202     }
 203 }
 204
 205 int wxRadioBox::FindString(const wxString& s) const
 206 {
 207     int i;
 208     for (i = 0; i < m_noItems; i++)
 209         if (s == m_radioButtonLabels[i])
 210             return i;
 211     return -1;
 212 }
 213
 214 void wxRadioBox::SetSelection(int n)
 215 {
 216     if ((n < 0) || (n >= m_noItems))
 217         return;
 218
 219     m_selectedButton = n;
 220
 221     m_inSetValue = TRUE;
 222
 223     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 224
 225     int i;
 226     for (i = 0; i < m_noItems; i++)
 227         if (i != n)
 228             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 229
 230     m_inSetValue = FALSE;
 231 }
 232
 233 // Get single selection, for single choice list items
 234 int wxRadioBox::GetSelection() const
 235 {
 236     return m_selectedButton;
 237 }
 238
 239 // Find string for position
 240 wxString wxRadioBox::GetString(int n) const
 241 {
 242     if ((n < 0) || (n >= m_noItems))
 243         return wxEmptyString;
 244     return m_radioButtonLabels[n];
 245 }
 246
 247 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 248 {
 249     bool managed = XtIsManaged((Widget) m_mainWidget);
 250
 251     if (managed)
 252         XtUnmanageChild ((Widget) m_mainWidget);
 253
 254     int xx = x; int yy = y;
 255     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 256
 257     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 258         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 259     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 260         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 261
 262     if (width > 0)
 263         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 264     if (height > 0)
 265         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 266
 267     if (managed)
 268         XtManageChild ((Widget) m_mainWidget);
 269 }
 270
 271 // Enable a specific button
 272 void wxRadioBox::Enable(int n, bool enable)
 273 {
 274     if ((n < 0) || (n >= m_noItems))
 275         return;
 276
 277     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 278 }
 279
 280 // Enable all controls
 281 bool wxRadioBox::Enable(bool enable)
 282 {
 283     if ( !wxControl::Enable(enable) )
 284         return FALSE;
 285
 286     int i;
 287     for (i = 0; i < m_noItems; i++)
 288         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 289
 290     return TRUE;
 291 }
 292
 293 bool wxRadioBox::Show(bool show)
 294 {
 295     // TODO: show/hide all children
 296     return wxControl::Show(show);
 297 }
 298
 299 // Show a specific button
 300 void wxRadioBox::Show(int n, bool show)
 301 {
 302   // This method isn't complete, and we try do do our best...
 303   // It's main purpose isn't for allowing Show/Unshow dynamically,
 304   // but rather to provide a way to design wxRadioBox such:
 305   //
 306   //        o Val1  o Val2   o Val3
 307   //        o Val4           o Val6
 308   //        o Val7  o Val8   o Val9
 309   //
 310   // In my case, this is a 'direction' box, and the Show(5,False) is
 311   // coupled with an Enable(5,False)
 312   //
 313     if ((n < 0) || (n >= m_noItems))
 314         return;
 315
 316     XtVaSetValues ((Widget) m_radioButtons[n],
 317         XmNindicatorOn, (unsigned char) show,
 318         NULL);
 319
 320     // Please note that this is all we can do: removing the label
 321     // if switching to unshow state. However, when switching
 322     // to the on state, it's the prog. resp. to call SetString(item,...)
 323     // after this call!!
 324     if (!show)
 325         wxRadioBox::SetString (n, " ");
 326 }
 327
 328 // For single selection items only
 329 wxString wxRadioBox::GetStringSelection () const
 330 {
 331     int sel = GetSelection ();
 332     if (sel > -1)
 333         return this->GetString (sel);
 334     else
 335         return wxString("");
 336 }
 337
 338 bool wxRadioBox::SetStringSelection (const wxString& s)
 339 {
 340     int sel = FindString (s);
 341     if (sel > -1)
 342     {
 343         SetSelection (sel);
 344         return TRUE;
 345     }
 346     else
 347         return FALSE;
 348 }
 349
 350 void wxRadioBox::Command (wxCommandEvent & event)
 351 {
 352     SetSelection (event.m_commandInt);
 353     ProcessCommand (event);
 354 }
 355
 356 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 357 {
 358     wxWindow::ChangeFont(keepOriginalSize);
 359
 360     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 361
 362     int i;
 363     for (i = 0; i < m_noItems; i++)
 364     {
 365         WXWidget radioButton = m_radioButtons[i];
 366
 367         XtVaSetValues ((Widget) radioButton,
 368                        XmNfontList, fontList,
 369                        NULL);
 370     }
 371 }
 372
 373 void wxRadioBox::ChangeBackgroundColour()
 374 {
 375     wxWindow::ChangeBackgroundColour();
 376
 377     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 378
 379     int i;
 380     for (i = 0; i < m_noItems; i++)
 381     {
 382         WXWidget radioButton = m_radioButtons[i];
 383
 384         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 385
 386         XtVaSetValues ((Widget) radioButton,
 387           XmNselectColor, selectPixel,
 388           NULL);
 389     }
 390 }
 391
 392 void wxRadioBox::ChangeForegroundColour()
 393 {
 394     wxWindow::ChangeForegroundColour();
 395
 396     int i;
 397     for (i = 0; i < m_noItems; i++)
 398     {
 399         WXWidget radioButton = m_radioButtons[i];
 400
 401         DoChangeForegroundColour(radioButton, m_foregroundColour);
 402     }
 403 }
 404
 405 static int CalcOtherDim( int items, int dim )
 406 {
 407     return items / dim + ( items % dim ? 1 : 0 );
 408 }
 409
 410 int wxRadioBox::GetRowCount() const
 411 {
 412     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 413         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 414 }
 415
 416 int wxRadioBox::GetColumnCount() const
 417 {
 418     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 419         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 420 }
 421
 422 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 423                     XmToggleButtonCallbackStruct * cbs)
 424 {
 425   if (!cbs->set)
 426     return;
 427
 428   wxRadioBox *item = (wxRadioBox *) clientData;
 429   int sel = -1;
 430   int i;
 431   for (i = 0; i < item->GetCount(); i++)
 432     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 433       sel = i;
 434   item->SetSel(sel);
 435
 436   if (item->InSetValue())
 437     return;
 438
 439   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 440   event.SetInt(sel);
 441   event.SetString(item->GetStringSelection());
 442   event.SetEventObject(item);
 443   item->ProcessCommand (event);
 444 }
 445