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