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, nor in Lesstif,
 118 // if it was compiled with 1.2 compatibility
 119 // TODO: check this still looks OK for Motif 1.2.
 120 #if (XmVersion > 1200)
 121                                              XmNframeChildType, XmFRAME_TITLE_CHILD,
 122 #else
 123                                              XmNchildType, XmFRAME_TITLE_CHILD,
 124 #endif
 125                                              XmNchildVerticalAlignment, 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 ((char*) (const char*) str,
 150 #if wxUSE_GADGETS
 151                             xmToggleButtonGadgetClass, radioBoxWidget,
 152 #else
 153                                     xmToggleButtonWidgetClass, radioBoxWidget,
 154 #endif
 155                                     XmNfontList, fontList,
 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         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 200         XtVaSetValues (widget,
 201                         XmNlabelString, text,
 202                         XmNlabelType, XmSTRING,
 203                         NULL);
 204         XmStringFree (text);
 205     }
 206 }
 207
 208 int wxRadioBox::FindString(const wxString& s) const
 209 {
 210     int i;
 211     for (i = 0; i < m_noItems; i++)
 212         if (s == m_radioButtonLabels[i])
 213             return i;
 214     return -1;
 215 }
 216
 217 void wxRadioBox::SetSelection(int n)
 218 {
 219     if ((n < 0) || (n >= m_noItems))
 220         return;
 221
 222     m_selectedButton = n;
 223
 224     m_inSetValue = TRUE;
 225
 226     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 227
 228     int i;
 229     for (i = 0; i < m_noItems; i++)
 230         if (i != n)
 231             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 232
 233     m_inSetValue = FALSE;
 234 }
 235
 236 // Get single selection, for single choice list items
 237 int wxRadioBox::GetSelection() const
 238 {
 239     return m_selectedButton;
 240 }
 241
 242 // Find string for position
 243 wxString wxRadioBox::GetString(int n) const
 244 {
 245     if ((n < 0) || (n >= m_noItems))
 246         return wxEmptyString;
 247     return m_radioButtonLabels[n];
 248 }
 249
 250 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 251 {
 252     bool managed = XtIsManaged((Widget) m_mainWidget);
 253
 254     if (managed)
 255         XtUnmanageChild ((Widget) m_mainWidget);
 256
 257     int xx = x; int yy = y;
 258     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 259
 260     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 261         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 262     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 263         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 264
 265     if (width > 0)
 266         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 267     if (height > 0)
 268         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 269
 270     if (managed)
 271         XtManageChild ((Widget) m_mainWidget);
 272 }
 273
 274 // Enable a specific button
 275 void wxRadioBox::Enable(int n, bool enable)
 276 {
 277     if ((n < 0) || (n >= m_noItems))
 278         return;
 279
 280     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 281 }
 282
 283 // Enable all controls
 284 bool wxRadioBox::Enable(bool enable)
 285 {
 286     if ( !wxControl::Enable(enable) )
 287         return FALSE;
 288
 289     int i;
 290     for (i = 0; i < m_noItems; i++)
 291         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 292
 293     return TRUE;
 294 }
 295
 296 bool wxRadioBox::Show(bool show)
 297 {
 298     // TODO: show/hide all children
 299     return wxControl::Show(show);
 300 }
 301
 302 // Show a specific button
 303 void wxRadioBox::Show(int n, bool show)
 304 {
 305   // This method isn't complete, and we try do do our best...
 306   // It's main purpose isn't for allowing Show/Unshow dynamically,
 307   // but rather to provide a way to design wxRadioBox such:
 308   //
 309   //        o Val1  o Val2   o Val3
 310   //        o Val4           o Val6
 311   //        o Val7  o Val8   o Val9
 312   //
 313   // In my case, this is a 'direction' box, and the Show(5,False) is
 314   // coupled with an Enable(5,False)
 315   //
 316     if ((n < 0) || (n >= m_noItems))
 317         return;
 318
 319     XtVaSetValues ((Widget) m_radioButtons[n],
 320         XmNindicatorOn, (unsigned char) show,
 321         NULL);
 322
 323     // Please note that this is all we can do: removing the label
 324     // if switching to unshow state. However, when switching
 325     // to the on state, it's the prog. resp. to call SetString(item,...)
 326     // after this call!!
 327     if (!show)
 328         wxRadioBox::SetString (n, " ");
 329 }
 330
 331 // For single selection items only
 332 wxString wxRadioBox::GetStringSelection () const
 333 {
 334     int sel = GetSelection ();
 335     if (sel > -1)
 336         return this->GetString (sel);
 337     else
 338         return wxString("");
 339 }
 340
 341 bool wxRadioBox::SetStringSelection (const wxString& s)
 342 {
 343     int sel = FindString (s);
 344     if (sel > -1)
 345     {
 346         SetSelection (sel);
 347         return TRUE;
 348     }
 349     else
 350         return FALSE;
 351 }
 352
 353 void wxRadioBox::Command (wxCommandEvent & event)
 354 {
 355     SetSelection (event.m_commandInt);
 356     ProcessCommand (event);
 357 }
 358
 359 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 360 {
 361     wxWindow::ChangeFont(keepOriginalSize);
 362
 363     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, 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                        XmNfontList, fontList,
 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