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         m_labelWidget = (WXWidget)
 106             XtVaCreateManagedWidget( label1.c_str(),
 107 #if wxUSE_GADGETS
 108                                        style & wxCOLOURED ? xmLabelWidgetClass
 109                                                           : xmLabelGadgetClass,
 110                                        (Widget)m_mainWidget,
 111 #else
 112                                        xmLabelWidgetClass,
 113                                        (Widget)m_mainWidget,
 114 #endif
 115                                        wxFont::GetFontTag(), fontType,
 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,
 126                                            XmALIGNMENT_CENTER,
 127                                        NULL);
 128     }
 129
 130     Arg args[3];
 131
 132     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 133
 134     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 135                                           XmHORIZONTAL : XmVERTICAL));
 136     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 137
 138     Widget radioBoxWidget = XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 2);
 139
 140     //    if (style & wxFLAT)
 141     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 142
 143     m_radioButtons = new WXWidget[n];
 144     m_radioButtonLabels = new wxString[n];
 145     int i;
 146     for (i = 0; i < n; i++)
 147     {
 148         wxString str(wxStripMenuCodes(choices[i]));
 149         m_radioButtonLabels[i] = str;
 150         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget (wxConstCast(str.c_str(), char),
 151 #if wxUSE_GADGETS
 152                             xmToggleButtonGadgetClass, radioBoxWidget,
 153 #else
 154                             xmToggleButtonWidgetClass, radioBoxWidget,
 155 #endif
 156                             wxFont::GetFontTag(), fontType,
 157                                                  NULL);
 158         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 159                      (XtPointer) this);
 160     }
 161
 162     m_font = parent->GetFont();
 163     ChangeFont(FALSE);
 164
 165     SetSelection (0);
 166
 167     XtRealizeWidget((Widget)m_mainWidget);
 168     XtManageChild (radioBoxWidget);
 169     XtManageChild ((Widget)m_mainWidget);
 170
 171     SetCanAddEventHandler(TRUE);
 172     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 173
 174     ChangeBackgroundColour();
 175
 176     return TRUE;
 177 }
 178
 179
 180 wxRadioBox::~wxRadioBox()
 181 {
 182     delete[] m_radioButtonLabels;
 183     delete[] m_radioButtons;
 184
 185     DetachWidget(m_mainWidget);
 186     XtDestroyWidget((Widget) m_mainWidget);
 187
 188     m_mainWidget = (WXWidget) 0;
 189 }
 190
 191 void wxRadioBox::SetString(int item, const wxString& label)
 192 {
 193     if (item < 0 || item >= m_noItems)
 194         return;
 195
 196     Widget widget = (Widget) m_radioButtons[item];
 197     if (label != "")
 198     {
 199         wxString label1(wxStripMenuCodes(label));
 200         wxXmString text( label1 );
 201         XtVaSetValues (widget,
 202                         XmNlabelString, text(),
 203                         XmNlabelType, XmSTRING,
 204                         NULL);
 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     WXFontType fontType =
 364         m_font.GetFontType(XtDisplay((Widget) GetTopWidget()));
 365
 366     int i;
 367     for (i = 0; i < m_noItems; i++)
 368     {
 369         WXWidget radioButton = m_radioButtons[i];
 370
 371         XtVaSetValues ((Widget) radioButton,
 372                        wxFont::GetFontTag(), fontType,
 373                        NULL);
 374     }
 375 }
 376
 377 void wxRadioBox::ChangeBackgroundColour()
 378 {
 379     wxWindow::ChangeBackgroundColour();
 380
 381     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 382
 383     int i;
 384     for (i = 0; i < m_noItems; i++)
 385     {
 386         WXWidget radioButton = m_radioButtons[i];
 387
 388         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 389
 390         XtVaSetValues ((Widget) radioButton,
 391           XmNselectColor, selectPixel,
 392           NULL);
 393     }
 394 }
 395
 396 void wxRadioBox::ChangeForegroundColour()
 397 {
 398     wxWindow::ChangeForegroundColour();
 399
 400     int i;
 401     for (i = 0; i < m_noItems; i++)
 402     {
 403         WXWidget radioButton = m_radioButtons[i];
 404
 405         DoChangeForegroundColour(radioButton, m_foregroundColour);
 406     }
 407 }
 408
 409 static int CalcOtherDim( int items, int dim )
 410 {
 411     return items / dim + ( items % dim ? 1 : 0 );
 412 }
 413
 414 int wxRadioBox::GetRowCount() const
 415 {
 416     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 417         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 418 }
 419
 420 int wxRadioBox::GetColumnCount() const
 421 {
 422     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 423         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 424 }
 425
 426 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 427                     XmToggleButtonCallbackStruct * cbs)
 428 {
 429   if (!cbs->set)
 430     return;
 431
 432   wxRadioBox *item = (wxRadioBox *) clientData;
 433   int sel = -1;
 434   int i;
 435   for (i = 0; i < item->GetCount(); i++)
 436     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 437       sel = i;
 438   item->SetSel(sel);
 439
 440   if (item->InSetValue())
 441     return;
 442
 443   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 444   event.SetInt(sel);
 445   event.SetString(item->GetStringSelection());
 446   event.SetEventObject(item);
 447   item->ProcessCommand (event);
 448 }
 449