src/motif/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_RADIOBOX
  16
  17 #ifdef __VMS
  18 #define XtDisplay XTDISPLAY
  19 #endif
  20
  21 #include "wx/radiobox.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/utils.h"
  25     #include "wx/arrstr.h"
  26 #endif
  27
  28 #ifdef __VMS__
  29 #pragma message disable nosimpint
  30 #endif
  31 #include <Xm/Label.h>
  32 #include <Xm/LabelG.h>
  33 #include <Xm/ToggleB.h>
  34 #include <Xm/ToggleBG.h>
  35 #include <Xm/RowColumn.h>
  36 #include <Xm/Frame.h>
  37 #ifdef __VMS__
  38 #pragma message enable nosimpint
  39 #endif
  40
  41 #include "wx/motif/private.h"
  42
  43 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  44                     XmToggleButtonCallbackStruct * cbs);
  45
  46 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  47
  48 // Radio box item
  49 void wxRadioBox::Init()
  50 {
  51     m_selectedButton = -1;
  52     m_noItems = 0;
  53     m_noRowsOrCols = 0;
  54 }
  55
  56 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  57              const wxPoint& pos, const wxSize& size,
  58              int n, const wxString choices[],
  59              int majorDim, long style,
  60              const wxValidator& val, const wxString& name)
  61 {
  62     if( !CreateControl( parent, id, pos, size, style, val, name ) )
  63         return false;
  64
  65     m_noItems = (unsigned int)n;
  66     m_noRowsOrCols = majorDim;
  67
  68     SetMajorDim(majorDim == 0 ? n : majorDim, style);
  69
  70     Widget parentWidget = (Widget) parent->GetClientWidget();
  71     Display* dpy = XtDisplay(parentWidget);
  72
  73     m_mainWidget = XtVaCreateWidget ("radioboxframe",
  74                                      xmFrameWidgetClass, parentWidget,
  75                                      XmNresizeHeight, True,
  76                                      XmNresizeWidth, True,
  77                                      NULL);
  78
  79     wxString label1(GetLabelText(title));
  80
  81     if (!label1.empty())
  82     {
  83         wxXmString text(label1);
  84         m_labelWidget = (WXWidget)
  85             XtVaCreateManagedWidget( label1.c_str(),
  86 #if wxUSE_GADGETS
  87                 style & wxCOLOURED ? xmLabelWidgetClass
  88                                    : xmLabelGadgetClass,
  89                 (Widget)m_mainWidget,
  90 #else
  91                 xmLabelWidgetClass, (Widget)m_mainWidget,
  92 #endif
  93                 wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
  94                 XmNlabelString, text(),
  95 // XmNframeChildType is not in Motif 1.2, nor in Lesstif,
  96 // if it was compiled with 1.2 compatibility
  97 // TODO: check this still looks OK for Motif 1.2.
  98 #if (XmVersion > 1200)
  99                 XmNframeChildType, XmFRAME_TITLE_CHILD,
 100 #else
 101                 XmNchildType, XmFRAME_TITLE_CHILD,
 102 #endif
 103                 XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
 104                 NULL);
 105     }
 106
 107     Arg args[3];
 108
 109     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 110                                           XmHORIZONTAL : XmVERTICAL));
 111     XtSetArg (args[1], XmNnumColumns, GetMajorDim());
 112     XtSetArg (args[2], XmNadjustLast, False);
 113
 114     Widget radioBoxWidget =
 115         XmCreateRadioBox ((Widget)m_mainWidget, wxMOTIF_STR("radioBoxWidget"), args, 3);
 116
 117     m_radioButtons.reserve(n);
 118     m_radioButtonLabels.reserve(n);
 119
 120     int i;
 121     for (i = 0; i < n; i++)
 122     {
 123         wxString str(GetLabelText(choices[i]));
 124         m_radioButtonLabels.push_back(str);
 125         Widget radioItem =  XtVaCreateManagedWidget (
 126                                 wxConstCast(str.c_str(), char),
 127 #if wxUSE_GADGETS
 128                                 xmToggleButtonGadgetClass, radioBoxWidget,
 129 #else
 130                                 xmToggleButtonWidgetClass, radioBoxWidget,
 131 #endif
 132                                 wxFont::GetFontTag(), m_font.GetFontTypeC(dpy),
 133                                 NULL);
 134         m_radioButtons.push_back((WXWidget)radioItem);
 135         XtAddCallback (radioItem, XmNvalueChangedCallback,
 136                        (XtCallbackProc) wxRadioBoxCallback,
 137                        (XtPointer) this);
 138     }
 139
 140     ChangeFont(false);
 141
 142     SetSelection (0);
 143
 144     XtRealizeWidget((Widget)m_mainWidget);
 145     XtManageChild (radioBoxWidget);
 146     XtManageChild ((Widget)m_mainWidget);
 147
 148     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 149
 150     ChangeBackgroundColour();
 151
 152     return true;
 153 }
 154
 155 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
 156              const wxPoint& pos, const wxSize& size,
 157              const wxArrayString& choices,
 158              int majorDim, long style,
 159              const wxValidator& val, const wxString& name)
 160 {
 161     wxCArrayString chs(choices);
 162     return Create(parent, id, title, pos, size, chs.GetCount(),
 163                   chs.GetStrings(), majorDim, style, val, name);
 164 }
 165
 166 wxRadioBox::~wxRadioBox()
 167 {
 168     DetachWidget(m_mainWidget);
 169     XtDestroyWidget((Widget) m_mainWidget);
 170
 171     m_mainWidget = (WXWidget) 0;
 172 }
 173
 174 void wxRadioBox::SetString(unsigned int item, const wxString& label)
 175 {
 176     if (!IsValid(item))
 177         return;
 178
 179     Widget widget = (Widget)m_radioButtons[item];
 180     if (!label.empty())
 181     {
 182         wxString label1(GetLabelText(label));
 183         wxXmString text( label1 );
 184         m_radioButtonLabels[item] = label1;
 185         XtVaSetValues (widget,
 186                         XmNlabelString, text(),
 187                         XmNlabelType, XmSTRING,
 188                         NULL);
 189     }
 190 }
 191
 192 void wxRadioBox::SetSelection(int n)
 193 {
 194     if (!IsValid(n))
 195         return;
 196
 197     m_selectedButton = n;
 198
 199     m_inSetValue = true;
 200
 201     XmToggleButtonSetState ((Widget) m_radioButtons[n], True, False);
 202
 203     for (unsigned int i = 0; i < m_noItems; i++)
 204         if (i != (unsigned int)n)
 205             XmToggleButtonSetState ((Widget) m_radioButtons[i], False, False);
 206
 207     m_inSetValue = false;
 208 }
 209
 210 // Get single selection, for single choice list items
 211 int wxRadioBox::GetSelection() const
 212 {
 213     return m_selectedButton;
 214 }
 215
 216 // Find string for position
 217 wxString wxRadioBox::GetString(unsigned int n) const
 218 {
 219     if (!IsValid(n))
 220         return wxEmptyString;
 221     return m_radioButtonLabels[n];
 222 }
 223
 224 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 225 {
 226     bool managed = XtIsManaged((Widget) m_mainWidget);
 227
 228     if (managed)
 229         XtUnmanageChild ((Widget) m_mainWidget);
 230
 231     int xx = x; int yy = y;
 232     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 233
 234     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 235         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 236     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 237         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 238
 239     if (width > 0)
 240         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 241     if (height > 0)
 242         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 243
 244     if (managed)
 245         XtManageChild ((Widget) m_mainWidget);
 246 }
 247
 248 // Enable a specific button
 249 bool wxRadioBox::Enable(unsigned int n, bool enable)
 250 {
 251     if (!IsValid(n))
 252         return false;
 253
 254     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 255     return true;
 256 }
 257
 258 // Enable all controls
 259 bool wxRadioBox::Enable(bool enable)
 260 {
 261     if ( !wxControl::Enable(enable) )
 262         return false;
 263
 264     for (unsigned int i = 0; i < m_noItems; i++)
 265         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 266
 267     return true;
 268 }
 269
 270 bool wxRadioBox::Show(bool show)
 271 {
 272     // TODO: show/hide all children
 273     return wxControl::Show(show);
 274 }
 275
 276 // Show a specific button
 277 bool wxRadioBox::Show(unsigned int n, bool show)
 278 {
 279   // This method isn't complete, and we try do do our best...
 280   // It's main purpose isn't for allowing Show/Unshow dynamically,
 281   // but rather to provide a way to design wxRadioBox such:
 282   //
 283   //        o Val1  o Val2   o Val3
 284   //        o Val4           o Val6
 285   //        o Val7  o Val8   o Val9
 286   //
 287   // In my case, this is a 'direction' box, and the Show(5,False) is
 288   // coupled with an Enable(5,False)
 289   //
 290     if (!IsValid(n))
 291         return false;
 292
 293     XtVaSetValues ((Widget) m_radioButtons[n],
 294         XmNindicatorOn, (unsigned char) show,
 295         NULL);
 296
 297     // Please note that this is all we can do: removing the label
 298     // if switching to unshow state. However, when switching
 299     // to the on state, it's the prog. resp. to call SetString(item,...)
 300     // after this call!!
 301     if (!show)
 302         wxRadioBox::SetString (n, " ");
 303
 304     return true;
 305 }
 306
 307 // For single selection items only
 308 wxString wxRadioBox::GetStringSelection () const
 309 {
 310     int sel = GetSelection ();
 311     if (sel != wxNOT_FOUND)
 312         return this->GetString((unsigned int)sel);
 313     else
 314         return wxEmptyString;
 315 }
 316
 317 bool wxRadioBox::SetStringSelection (const wxString& s)
 318 {
 319     int sel = FindString (s);
 320     if (sel > -1)
 321     {
 322         SetSelection (sel);
 323         return true;
 324     }
 325     else
 326         return false;
 327 }
 328
 329 void wxRadioBox::Command (wxCommandEvent & event)
 330 {
 331     SetSelection (event.GetInt());
 332     ProcessCommand (event);
 333 }
 334
 335 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 336 {
 337     wxWindow::ChangeFont(keepOriginalSize);
 338
 339     for (unsigned int i = 0; i < m_noItems; i++)
 340     {
 341         WXWidget radioButton = m_radioButtons[i];
 342
 343         XtVaSetValues ((Widget) radioButton,
 344                        wxFont::GetFontTag(), m_font.GetFontTypeC(XtDisplay((Widget) GetTopWidget())),
 345                        NULL);
 346     }
 347 }
 348
 349 void wxRadioBox::ChangeBackgroundColour()
 350 {
 351     wxWindow::ChangeBackgroundColour();
 352
 353     wxColour colour = *wxBLACK;
 354     int selectPixel = colour.AllocColour(XtDisplay((Widget)m_mainWidget));
 355
 356     for (unsigned int i = 0; i < m_noItems; i++)
 357     {
 358         WXWidget radioButton = m_radioButtons[i];
 359
 360         wxDoChangeBackgroundColour(radioButton, m_backgroundColour, true);
 361
 362         XtVaSetValues ((Widget) radioButton,
 363           XmNselectColor, selectPixel,
 364           NULL);
 365     }
 366 }
 367
 368 void wxRadioBox::ChangeForegroundColour()
 369 {
 370     wxWindow::ChangeForegroundColour();
 371
 372     for (unsigned int i = 0; i < m_noItems; i++)
 373     {
 374         WXWidget radioButton = m_radioButtons[i];
 375
 376         wxDoChangeForegroundColour(radioButton, m_foregroundColour);
 377     }
 378 }
 379
 380 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 381                     XmToggleButtonCallbackStruct * cbs)
 382 {
 383   if (!cbs->set)
 384     return;
 385
 386   wxRadioBox *item = (wxRadioBox *) clientData;
 387   int sel = -1;
 388   unsigned int i;
 389   const wxWidgetArray& buttons = item->GetRadioButtons();
 390   for (i = 0; i < item->GetCount(); i++)
 391     if (((Widget)buttons[i]) == w)
 392       sel = (int)i;
 393   item->SetSel(sel);
 394
 395   if (item->InSetValue())
 396     return;
 397
 398   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 399   event.SetInt(sel);
 400   event.SetString(item->GetStringSelection());
 401   event.SetEventObject(item);
 402   item->ProcessCommand (event);
 403 }
 404
 405 #endif // wxUSE_RADIOBOX