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     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay(parentWidget));
 101
 102     if (label1 != "")
 103     {
 104         wxXmString text(label1);
 105         (void)XtVaCreateManagedWidget(label1.c_str(),
 106 #if wxUSE_GADGETS
 107                                              style & wxCOLOURED ? xmLabelWidgetClass
 108                                                                 : xmLabelGadgetClass,
 109                                              (Widget)m_mainWidget,
 110 #else
 111                                              xmLabelWidgetClass, (Widget)m_mainWidget,
 112 #endif
 113                                              XmNfontList, fontList,
 114                                              XmNlabelString, text(),
 115 // XmNframeChildType is not in Motif 1.2, nor in Lesstif,
 116 // if it was compiled with 1.2 compatibility
 117 // TODO: check this still looks OK for Motif 1.2.
 118 #if (XmVersion > 1200)
 119                                              XmNframeChildType, XmFRAME_TITLE_CHILD,
 120 #else
 121                                              XmNchildType, XmFRAME_TITLE_CHILD,
 122 #endif
 123                                              XmNchildVerticalAlignment, XmALIGNMENT_CENTER,
 124                                              NULL);
 125     }
 126
 127     Arg args[3];
 128
 129     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 130
 131     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 132                                           XmHORIZONTAL : XmVERTICAL));
 133     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 134
 135     Widget radioBoxWidget = XmCreateRadioBox ((Widget)m_mainWidget, "radioBoxWidget", args, 2);
 136
 137     //    if (style & wxFLAT)
 138     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 139
 140     m_radioButtons = new WXWidget[n];
 141     m_radioButtonLabels = new wxString[n];
 142     int i;
 143     for (i = 0; i < n; i++)
 144     {
 145         wxString str(wxStripMenuCodes(choices[i]));
 146         m_radioButtonLabels[i] = str;
 147         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 148 #if wxUSE_GADGETS
 149                             xmToggleButtonGadgetClass, radioBoxWidget,
 150 #else
 151                                     xmToggleButtonWidgetClass, radioBoxWidget,
 152 #endif
 153                                     XmNfontList, fontList,
 154                                                  NULL);
 155         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 156                      (XtPointer) this);
 157     }
 158
 159     m_font = parent->GetFont();
 160     ChangeFont(FALSE);
 161
 162     SetSelection (0);
 163
 164     XtRealizeWidget((Widget)m_mainWidget);
 165     XtManageChild (radioBoxWidget);
 166     XtManageChild ((Widget)m_mainWidget);
 167
 168     SetCanAddEventHandler(TRUE);
 169     AttachWidget (parent, m_mainWidget, NULL, pos.x, pos.y, size.x, size.y);
 170
 171     ChangeBackgroundColour();
 172
 173     return TRUE;
 174 }
 175
 176
 177 wxRadioBox::~wxRadioBox()
 178 {
 179     delete[] m_radioButtonLabels;
 180     delete[] m_radioButtons;
 181
 182     DetachWidget(m_mainWidget);
 183     XtDestroyWidget((Widget) m_mainWidget);
 184
 185     m_mainWidget = (WXWidget) 0;
 186 }
 187
 188 void wxRadioBox::SetString(int item, const wxString& label)
 189 {
 190     if (item < 0 || item >= m_noItems)
 191         return;
 192
 193     Widget widget = (Widget) m_radioButtons[item];
 194     if (label != "")
 195     {
 196         wxString label1(wxStripMenuCodes(label));
 197         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 198         XtVaSetValues (widget,
 199                         XmNlabelString, text,
 200                         XmNlabelType, XmSTRING,
 201                         NULL);
 202         XmStringFree (text);
 203     }
 204 }
 205
 206 int wxRadioBox::FindString(const wxString& s) const
 207 {
 208     int i;
 209     for (i = 0; i < m_noItems; i++)
 210         if (s == m_radioButtonLabels[i])
 211             return i;
 212     return -1;
 213 }
 214
 215 void wxRadioBox::SetSelection(int n)
 216 {
 217     if ((n < 0) || (n >= m_noItems))
 218         return;
 219
 220     m_selectedButton = n;
 221
 222     m_inSetValue = TRUE;
 223
 224     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 225
 226     int i;
 227     for (i = 0; i < m_noItems; i++)
 228         if (i != n)
 229             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 230
 231     m_inSetValue = FALSE;
 232 }
 233
 234 // Get single selection, for single choice list items
 235 int wxRadioBox::GetSelection() const
 236 {
 237     return m_selectedButton;
 238 }
 239
 240 // Find string for position
 241 wxString wxRadioBox::GetString(int n) const
 242 {
 243     if ((n < 0) || (n >= m_noItems))
 244         return wxEmptyString;
 245     return m_radioButtonLabels[n];
 246 }
 247
 248 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 249 {
 250     bool managed = XtIsManaged((Widget) m_mainWidget);
 251
 252     if (managed)
 253         XtUnmanageChild ((Widget) m_mainWidget);
 254
 255     int xx = x; int yy = y;
 256     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 257
 258     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 259         XtVaSetValues ((Widget) m_mainWidget, XmNx, xx, NULL);
 260     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 261         XtVaSetValues ((Widget) m_mainWidget, XmNy, yy, NULL);
 262
 263     if (width > 0)
 264         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, width, NULL);
 265     if (height > 0)
 266         XtVaSetValues ((Widget) m_mainWidget, XmNheight, height, NULL);
 267
 268     if (managed)
 269         XtManageChild ((Widget) m_mainWidget);
 270 }
 271
 272 // Enable a specific button
 273 void wxRadioBox::Enable(int n, bool enable)
 274 {
 275     if ((n < 0) || (n >= m_noItems))
 276         return;
 277
 278     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 279 }
 280
 281 // Enable all controls
 282 bool wxRadioBox::Enable(bool enable)
 283 {
 284     if ( !wxControl::Enable(enable) )
 285         return FALSE;
 286
 287     int i;
 288     for (i = 0; i < m_noItems; i++)
 289         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 290
 291     return TRUE;
 292 }
 293
 294 bool wxRadioBox::Show(bool show)
 295 {
 296     // TODO: show/hide all children
 297     return wxControl::Show(show);
 298 }
 299
 300 // Show a specific button
 301 void wxRadioBox::Show(int n, bool show)
 302 {
 303   // This method isn't complete, and we try do do our best...
 304   // It's main purpose isn't for allowing Show/Unshow dynamically,
 305   // but rather to provide a way to design wxRadioBox such:
 306   //
 307   //        o Val1  o Val2   o Val3
 308   //        o Val4           o Val6
 309   //        o Val7  o Val8   o Val9
 310   //
 311   // In my case, this is a 'direction' box, and the Show(5,False) is
 312   // coupled with an Enable(5,False)
 313   //
 314     if ((n < 0) || (n >= m_noItems))
 315         return;
 316
 317     XtVaSetValues ((Widget) m_radioButtons[n],
 318         XmNindicatorOn, (unsigned char) show,
 319         NULL);
 320
 321     // Please note that this is all we can do: removing the label
 322     // if switching to unshow state. However, when switching
 323     // to the on state, it's the prog. resp. to call SetString(item,...)
 324     // after this call!!
 325     if (!show)
 326         wxRadioBox::SetString (n, " ");
 327 }
 328
 329 // For single selection items only
 330 wxString wxRadioBox::GetStringSelection () const
 331 {
 332     int sel = GetSelection ();
 333     if (sel > -1)
 334         return this->GetString (sel);
 335     else
 336         return wxString("");
 337 }
 338
 339 bool wxRadioBox::SetStringSelection (const wxString& s)
 340 {
 341     int sel = FindString (s);
 342     if (sel > -1)
 343     {
 344         SetSelection (sel);
 345         return TRUE;
 346     }
 347     else
 348         return FALSE;
 349 }
 350
 351 void wxRadioBox::Command (wxCommandEvent & event)
 352 {
 353     SetSelection (event.m_commandInt);
 354     ProcessCommand (event);
 355 }
 356
 357 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 358 {
 359     wxWindow::ChangeFont(keepOriginalSize);
 360
 361     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 362
 363     int i;
 364     for (i = 0; i < m_noItems; i++)
 365     {
 366         WXWidget radioButton = m_radioButtons[i];
 367
 368         XtVaSetValues ((Widget) radioButton,
 369                        XmNfontList, fontList,
 370                        NULL);
 371     }
 372 }
 373
 374 void wxRadioBox::ChangeBackgroundColour()
 375 {
 376     wxWindow::ChangeBackgroundColour();
 377
 378     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 379
 380     int i;
 381     for (i = 0; i < m_noItems; i++)
 382     {
 383         WXWidget radioButton = m_radioButtons[i];
 384
 385         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 386
 387         XtVaSetValues ((Widget) radioButton,
 388           XmNselectColor, selectPixel,
 389           NULL);
 390     }
 391 }
 392
 393 void wxRadioBox::ChangeForegroundColour()
 394 {
 395     wxWindow::ChangeForegroundColour();
 396
 397     int i;
 398     for (i = 0; i < m_noItems; i++)
 399     {
 400         WXWidget radioButton = m_radioButtons[i];
 401
 402         DoChangeForegroundColour(radioButton, m_foregroundColour);
 403     }
 404 }
 405
 406 static int CalcOtherDim( int items, int dim )
 407 {
 408     return items / dim + ( items % dim ? 1 : 0 );
 409 }
 410
 411 int wxRadioBox::GetRowCount() const
 412 {
 413     return m_windowStyle & wxRA_SPECIFY_ROWS ? m_noRowsOrCols
 414         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 415 }
 416
 417 int wxRadioBox::GetColumnCount() const
 418 {
 419     return m_windowStyle & wxRA_SPECIFY_COLS ? m_noRowsOrCols
 420         : CalcOtherDim( GetCount(), m_noRowsOrCols );
 421 }
 422
 423 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 424                     XmToggleButtonCallbackStruct * cbs)
 425 {
 426   if (!cbs->set)
 427     return;
 428
 429   wxRadioBox *item = (wxRadioBox *) clientData;
 430   int sel = -1;
 431   int i;
 432   for (i = 0; i < item->GetCount(); i++)
 433     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 434       sel = i;
 435   item->SetSel(sel);
 436
 437   if (item->InSetValue())
 438     return;
 439
 440   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 441   event.SetInt(sel);
 442   event.SetString(item->GetStringSelection());
 443   event.SetEventObject(item);
 444   item->ProcessCommand (event);
 445 }
 446