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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "radiobox.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __VMS
  20 #define XtDisplay XTDISPLAY
  21 #endif
  22
  23 #include "wx/defs.h"
  24
  25 #include "wx/radiobox.h"
  26 #include "wx/utils.h"
  27 #include "wx/arrstr.h"
  28
  29 #ifdef __VMS__
  30 #pragma message disable nosimpint
  31 #endif
  32 #include <Xm/Label.h>
  33 #include <Xm/LabelG.h>
  34 #include <Xm/ToggleB.h>
  35 #include <Xm/ToggleBG.h>
  36 #include <Xm/RowColumn.h>
  37 #include <Xm/Frame.h>
  38 #ifdef __VMS__
  39 #pragma message enable nosimpint
  40 #endif
  41
  42 #include "wx/motif/private.h"
  43
  44 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  45                     XmToggleButtonCallbackStruct * cbs);
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  48
  49 // Radio box item
  50 void wxRadioBox::Init()
  51 {
  52     m_selectedButton = -1;
  53     m_noItems = 0;
  54     m_noRowsOrCols = 0;
  55     m_majorDim = 0 ;
  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     if( !CreateControl( parent, id, pos, size, style, val, name ) )
  65         return false;
  66
  67     m_noItems = n;
  68     m_noRowsOrCols = majorDim;
  69
  70     if (majorDim==0)
  71         m_majorDim = n ;
  72     else
  73         m_majorDim = majorDim ;
  74
  75     Widget parentWidget = (Widget) parent->GetClientWidget();
  76
  77     m_mainWidget = XtVaCreateWidget ("radioboxframe",
  78                                         xmFrameWidgetClass, parentWidget,
  79                                         XmNresizeHeight, True,
  80                                         XmNresizeWidth, True,
  81                                         NULL);
  82
  83     wxString label1(wxStripMenuCodes(title));
  84
  85     WXFontType fontType = m_font.GetFontType(XtDisplay(parentWidget));
  86
  87     if (label1 != "")
  88     {
  89         wxXmString text(label1);
  90         m_labelWidget = (WXWidget)
  91             XtVaCreateManagedWidget( label1.c_str(),
  92 #if wxUSE_GADGETS
  93                                        style & wxCOLOURED ? xmLabelWidgetClass
  94                                                           : xmLabelGadgetClass,
  95                                        (Widget)m_mainWidget,
  96 #else
  97                                        xmLabelWidgetClass,
  98                                        (Widget)m_mainWidget,
  99 #endif
 100                                        wxFont::GetFontTag(), fontType,
 101                                        XmNlabelString, text(),
 102 // XmNframeChildType is not in Motif 1.2, nor in Lesstif,
 103 // if it was compiled with 1.2 compatibility
 104 // TODO: check this still looks OK for Motif 1.2.
 105 #if (XmVersion > 1200)
 106                                        XmNframeChildType, XmFRAME_TITLE_CHILD,
 107 #else
 108                                        XmNchildType, XmFRAME_TITLE_CHILD,
 109 #endif
 110                                        XmNchildVerticalAlignment,
 111                                            XmALIGNMENT_CENTER,
 112                                        NULL);
 113     }
 114
 115     Arg args[3];
 116
 117     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 118
 119     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 120                                           XmHORIZONTAL : XmVERTICAL));
 121     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 122     XtSetArg (args[2], XmNadjustLast, False);
 123
 124     Widget radioBoxWidget =
 125         XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 3);
 126
 127     m_radioButtons.reserve(n);
 128     m_radioButtonLabels.reserve(n);
 129
 130     int i;
 131     for (i = 0; i < n; i++)
 132     {
 133         wxString str(wxStripMenuCodes(choices[i]));
 134         m_radioButtonLabels.push_back(str);
 135         Widget radioItem =  XtVaCreateManagedWidget (wxConstCast(str.c_str(), char),
 136 #if wxUSE_GADGETS
 137                             xmToggleButtonGadgetClass, radioBoxWidget,
 138 #else
 139                             xmToggleButtonWidgetClass, radioBoxWidget,
 140 #endif
 141                             wxFont::GetFontTag(), fontType,
 142                                                  NULL);
 143         m_radioButtons.push_back((WXWidget)radioItem);
 144         XtAddCallback (radioItem, XmNvalueChangedCallback,
 145                        (XtCallbackProc) wxRadioBoxCallback,
 146                        (XtPointer) this);
 147     }
 148
 149     ChangeFont(FALSE);
 150
 151     SetSelection (0);
 152
 153     XtRealizeWidget((Widget)m_mainWidget);
 154     XtManageChild (radioBoxWidget);
 155     XtManageChild ((Widget)m_mainWidget);
 156
 157     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 158
 159     ChangeBackgroundColour();
 160
 161     return TRUE;
 162 }
 163
 164 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
 165              const wxPoint& pos, const wxSize& size,
 166              const wxArrayString& choices,
 167              int majorDim, long style,
 168              const wxValidator& val, const wxString& name)
 169 {
 170     wxCArrayString chs(choices);
 171     return Create(parent, id, title, pos, size, chs.GetCount(),
 172                   chs.GetStrings(), majorDim, style, val, name);
 173 }
 174
 175 wxRadioBox::~wxRadioBox()
 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         wxXmString text( label1 );
 193         m_radioButtonLabels[item] = label1;
 194         XtVaSetValues (widget,
 195                         XmNlabelString, text(),
 196                         XmNlabelType, XmSTRING,
 197                         NULL);
 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.GetInt());
 349     ProcessCommand (event);
 350 }
 351
 352 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 353 {
 354     wxWindow::ChangeFont(keepOriginalSize);
 355
 356     WXFontType fontType =
 357         m_font.GetFontType(XtDisplay((Widget) GetTopWidget()));
 358
 359     int i;
 360     for (i = 0; i < m_noItems; i++)
 361     {
 362         WXWidget radioButton = m_radioButtons[i];
 363
 364         XtVaSetValues ((Widget) radioButton,
 365                        wxFont::GetFontTag(), fontType,
 366                        NULL);
 367     }
 368 }
 369
 370 void wxRadioBox::ChangeBackgroundColour()
 371 {
 372     wxWindow::ChangeBackgroundColour();
 373
 374     int selectPixel = wxBLACK->AllocColour(XtDisplay((Widget)m_mainWidget));
 375
 376     int i;
 377     for (i = 0; i < m_noItems; i++)
 378     {
 379         WXWidget radioButton = m_radioButtons[i];
 380
 381         wxDoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 382
 383         XtVaSetValues ((Widget) radioButton,
 384           XmNselectColor, selectPixel,
 385           NULL);
 386     }
 387 }
 388
 389 void wxRadioBox::ChangeForegroundColour()
 390 {
 391     wxWindow::ChangeForegroundColour();
 392
 393     int i;
 394     for (i = 0; i < m_noItems; i++)
 395     {
 396         WXWidget radioButton = m_radioButtons[i];
 397
 398         wxDoChangeForegroundColour(radioButton, m_foregroundColour);
 399     }
 400 }
 401
 402 static int CalcOtherDim( int items, int dim )
 403 {
 404     return items / dim + ( items % dim ? 1 : 0 );
 405 }
 406
 407 int wxRadioBox::GetRowCount() const
 408 {
 409     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 410         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 411 }
 412
 413 int wxRadioBox::GetColumnCount() const
 414 {
 415     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 416         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 417 }
 418
 419 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 420                     XmToggleButtonCallbackStruct * cbs)
 421 {
 422   if (!cbs->set)
 423     return;
 424
 425   wxRadioBox *item = (wxRadioBox *) clientData;
 426   int sel = -1;
 427   int i;
 428   const wxWidgetArray& buttons = item->GetRadioButtons();
 429   for (i = 0; i < item->GetCount(); i++)
 430     if (((Widget)buttons[i]) == w)
 431       sel = i;
 432   item->SetSel(sel);
 433
 434   if (item->InSetValue())
 435     return;
 436
 437   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 438   event.SetInt(sel);
 439   event.SetString(item->GetStringSelection());
 440   event.SetEventObject(item);
 441   item->ProcessCommand (event);
 442 }
 443