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 #include "wx/radiobox.h"
  17 #include "wx/utils.h"
  18
  19 #include <Xm/Label.h>
  20 #include <Xm/LabelG.h>
  21 #include <Xm/ToggleB.h>
  22 #include <Xm/ToggleBG.h>
  23 #include <Xm/RowColumn.h>
  24 #include <Xm/Form.h>
  25
  26 #include <wx/motif/private.h>
  27
  28 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  29                     XmToggleButtonCallbackStruct * cbs);
  30
  31 #if !USE_SHARED_LIBRARY
  32 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  33 #endif
  34
  35 // Radio box item
  36 wxRadioBox::wxRadioBox()
  37 {
  38     m_selectedButton = -1;
  39     m_noItems = 0;
  40     m_noRowsOrCols = 0;
  41     m_majorDim = 0 ;
  42
  43     m_formWidget = (WXWidget) 0;
  44     m_labelWidget = (WXWidget) 0;
  45     m_radioButtons = (WXWidget*) NULL;
  46     m_radioButtonLabels = (wxString*) NULL;
  47 }
  48
  49 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& title,
  50              const wxPoint& pos, const wxSize& size,
  51              int n, const wxString choices[],
  52              int majorDim, long style,
  53              const wxValidator& val, const wxString& name)
  54 {
  55     m_selectedButton = -1;
  56     m_noItems = n;
  57     m_labelWidget = (WXWidget) 0;
  58     m_radioButtons = (WXWidget*) NULL;
  59     m_radioButtonLabels = (wxString*) NULL;
  60     m_backgroundColour = parent->GetBackgroundColour();
  61     m_foregroundColour = parent->GetForegroundColour();
  62
  63     SetName(name);
  64     SetValidator(val);
  65
  66     parent->AddChild(this);
  67
  68     m_windowStyle = (long&)style;
  69
  70     if (id == -1)
  71         m_windowId = NewControlId();
  72     else
  73         m_windowId = id;
  74
  75     m_noRowsOrCols = majorDim;
  76
  77     if (majorDim==0)
  78         m_majorDim = n ;
  79     else
  80         m_majorDim = majorDim ;
  81
  82     Widget parentWidget = (Widget) parent->GetClientWidget();
  83
  84     wxString label1(wxStripMenuCodes(title));
  85
  86     XmString text = XmStringCreateSimple ((char*) (const char*) label1);
  87
  88     Widget formWidget = XtVaCreateManagedWidget ((char*) (const char*) name,
  89                                         xmFormWidgetClass, parentWidget,
  90                                         XmNmarginHeight, 0,
  91                                         XmNmarginWidth, 0,
  92                                         NULL);
  93
  94     m_formWidget = (WXWidget) formWidget;
  95
  96     if (label1 != "")
  97     {
  98         text = XmStringCreateSimple ((char*) (const char*) label1);
  99         Widget labelWidget = XtVaCreateManagedWidget ((char*) (const char*) label1,
 100 #if wxUSE_GADGETS
 101                                              style & wxCOLOURED ?
 102                                     xmLabelWidgetClass : xmLabelGadgetClass,
 103                                              formWidget,
 104 #else
 105                                              xmLabelWidgetClass, formWidget,
 106 #endif
 107                                              XmNlabelString, text,
 108                                              NULL);
 109
 110 /* TODO: change label font
 111         if (labelFont)
 112                 XtVaSetValues (labelWidget,
 113                        XmNfontList, labelFont->GetInternalFont (XtDisplay(formWidget)),
 114                        NULL);
 115 */
 116
 117         XmStringFree (text);
 118     }
 119
 120     Arg args[3];
 121
 122     majorDim = (n + majorDim - 1) / majorDim;
 123
 124     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 125                                         XmHORIZONTAL : XmVERTICAL));
 126     XtSetArg (args[1], XmNnumColumns, majorDim);
 127
 128     Widget radioBoxWidget = XmCreateRadioBox (formWidget, "radioBoxWidget", args, 2);
 129     m_mainWidget = (WXWidget) radioBoxWidget;
 130
 131
 132     if (m_labelWidget)
 133             XtVaSetValues ((Widget) m_labelWidget,
 134                        XmNtopAttachment, XmATTACH_FORM,
 135                        XmNleftAttachment, XmATTACH_FORM,
 136                        XmNalignment, XmALIGNMENT_BEGINNING,
 137                        NULL);
 138
 139     XtVaSetValues (radioBoxWidget,
 140             XmNtopAttachment, m_labelWidget ? XmATTACH_WIDGET : XmATTACH_FORM,
 141                      XmNtopWidget, m_labelWidget ? (Widget) m_labelWidget : formWidget,
 142                      XmNbottomAttachment, XmATTACH_FORM,
 143                      XmNleftAttachment, XmATTACH_FORM,
 144                      NULL);
 145
 146     //    if (style & wxFLAT)
 147     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 148
 149     m_radioButtons = new WXWidget[n];
 150     m_radioButtonLabels = new wxString[n];
 151     int i;
 152     for (i = 0; i < n; i++)
 153     {
 154         wxString str(wxStripMenuCodes(choices[i]));
 155         m_radioButtonLabels[i] = str;
 156         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 157 #if wxUSE_GADGETS
 158                             xmToggleButtonGadgetClass, radioBoxWidget,
 159 #else
 160                                     xmToggleButtonWidgetClass, radioBoxWidget,
 161 #endif
 162                                                  NULL);
 163         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 164                      (XtCallbackProc) this);
 165
 166 /* TODO: set font
 167         if (buttonFont)
 168                 XtVaSetValues ((Widget) m_radioButtons[i],
 169                        XmNfontList, buttonFont->GetInternalFont (XtDisplay(formWidget)),
 170                        NULL);
 171 */
 172     }
 173     SetSelection (0);
 174
 175     m_windowFont = parent->GetFont();
 176     ChangeFont(FALSE);
 177
 178     XtManageChild (radioBoxWidget);
 179
 180     SetCanAddEventHandler(TRUE);
 181     AttachWidget (parent, m_mainWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 182
 183     ChangeBackgroundColour();
 184
 185     return TRUE;
 186 }
 187
 188
 189 wxRadioBox::~wxRadioBox()
 190 {
 191     delete[] m_radioButtonLabels;
 192     delete[] m_radioButtons;
 193 }
 194
 195 wxString wxRadioBox::GetLabel(int item) const
 196 {
 197     if (item < 0 || item >= m_noItems)
 198         return wxEmptyString;
 199
 200     Widget widget = (Widget) m_radioButtons[item];
 201     XmString text;
 202     char *s;
 203     XtVaGetValues (widget,
 204                     XmNlabelString, &text,
 205                     NULL);
 206
 207     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 208     {
 209         // Should we free 'text'???
 210         XmStringFree(text);
 211         wxString str(s);
 212         XtFree (s);
 213         return str;
 214     }
 215     else
 216     {
 217         XmStringFree(text);
 218         return wxEmptyString;
 219     }
 220 }
 221
 222 void wxRadioBox::SetLabel(int item, const wxString& label)
 223 {
 224     if (item < 0 || item >= m_noItems)
 225         return;
 226
 227     Widget widget = (Widget) m_radioButtons[item];
 228     if (label != "")
 229     {
 230         wxString label1(wxStripMenuCodes(label));
 231         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 232         XtVaSetValues (widget,
 233                         XmNlabelString, text,
 234                         XmNlabelType, XmSTRING,
 235                         NULL);
 236         XmStringFree (text);
 237     }
 238 }
 239
 240 int wxRadioBox::FindString(const wxString& s) const
 241 {
 242     int i;
 243     for (i = 0; i < m_noItems; i++)
 244         if (s == m_radioButtonLabels[i])
 245             return i;
 246     return -1;
 247 }
 248
 249 void wxRadioBox::SetSelection(int n)
 250 {
 251     if ((n < 0) || (n >= m_noItems))
 252         return;
 253
 254     m_selectedButton = n;
 255
 256     m_inSetValue = TRUE;
 257
 258     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 259
 260     int i;
 261     for (i = 0; i < m_noItems; i++)
 262         if (i != n)
 263             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 264
 265     m_inSetValue = FALSE;
 266 }
 267
 268 // Get single selection, for single choice list items
 269 int wxRadioBox::GetSelection() const
 270 {
 271     return m_selectedButton;
 272 }
 273
 274 // Find string for position
 275 wxString wxRadioBox::GetString(int n) const
 276 {
 277     if ((n < 0) || (n >= m_noItems))
 278         return wxEmptyString;
 279     return m_radioButtonLabels[n];
 280 }
 281
 282 void wxRadioBox::SetSize(int x, int y, int width, int height, int sizeFlags)
 283 {
 284     bool managed = XtIsManaged((Widget) m_formWidget);
 285
 286     if (managed)
 287         XtUnmanageChild ((Widget) m_formWidget);
 288
 289     int xx = x; int yy = y;
 290     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 291
 292     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 293         XtVaSetValues ((Widget) m_formWidget, XmNleftAttachment, XmATTACH_SELF,
 294                    XmNx, xx, NULL);
 295     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 296         XtVaSetValues ((Widget) m_formWidget, XmNtopAttachment, XmATTACH_SELF,
 297                    XmNy, yy, NULL);
 298
 299     // Must set the actual RadioBox to be desired size MINUS label size
 300     Dimension labelWidth = 0, labelHeight = 0, actualWidth = 0, actualHeight = 0;
 301
 302     if (m_labelWidget)
 303         XtVaGetValues ((Widget) m_labelWidget, XmNwidth, &labelWidth, XmNheight, &labelHeight, NULL);
 304
 305     actualWidth = width;
 306     actualHeight = height - labelHeight;
 307
 308     if (width > -1)
 309     {
 310         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, actualWidth, NULL);
 311     }
 312     if (height > -1)
 313     {
 314         XtVaSetValues ((Widget) m_mainWidget, XmNheight, actualHeight, NULL);
 315     }
 316     if (managed)
 317         XtManageChild ((Widget) m_formWidget);
 318 }
 319
 320 // Enable a specific button
 321 void wxRadioBox::Enable(int n, bool enable)
 322 {
 323     if ((n < 0) || (n >= m_noItems))
 324         return;
 325
 326     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 327 }
 328
 329 // Enable all controls
 330 void wxRadioBox::Enable(bool enable)
 331 {
 332     wxControl::Enable(enable);
 333
 334     int i;
 335     for (i = 0; i < m_noItems; i++)
 336         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 337 }
 338
 339 // Show a specific button
 340 void wxRadioBox::Show(int n, bool show)
 341 {
 342   // This method isn't complete, and we try do do our best...
 343   // It's main purpose isn't for allowing Show/Unshow dynamically,
 344   // but rather to provide a way to design wxRadioBox such:
 345   //
 346   //        o Val1  o Val2   o Val3
 347   //        o Val4           o Val6
 348   //        o Val7  o Val8   o Val9
 349   //
 350   // In my case, this is a 'direction' box, and the Show(5,False) is
 351   // coupled with an Enable(5,False)
 352   //
 353     if ((n < 0) || (n >= m_noItems))
 354         return;
 355
 356     XtVaSetValues ((Widget) m_radioButtons[n],
 357         XmNindicatorOn, (unsigned char) show,
 358         NULL);
 359
 360     // Please note that this is all we can do: removing the label
 361     // if switching to unshow state. However, when switching
 362     // to the on state, it's the prog. resp. to call SetLabel(item,...)
 363     // after this call!!
 364     if (!show)
 365         wxRadioBox::SetLabel (n, " ");
 366 }
 367
 368 // For single selection items only
 369 wxString wxRadioBox::GetStringSelection () const
 370 {
 371     int sel = GetSelection ();
 372     if (sel > -1)
 373         return this->GetString (sel);
 374     else
 375         return wxString("");
 376 }
 377
 378 bool wxRadioBox::SetStringSelection (const wxString& s)
 379 {
 380     int sel = FindString (s);
 381     if (sel > -1)
 382     {
 383         SetSelection (sel);
 384         return TRUE;
 385     }
 386     else
 387         return FALSE;
 388 }
 389
 390 void wxRadioBox::Command (wxCommandEvent & event)
 391 {
 392     SetSelection (event.m_commandInt);
 393     ProcessCommand (event);
 394 }
 395
 396 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 397 {
 398     // TODO
 399 }
 400
 401 void wxRadioBox::ChangeBackgroundColour()
 402 {
 403     // TODO
 404 }
 405
 406 void wxRadioBox::ChangeForegroundColour()
 407 {
 408     // TODO
 409 }
 410
 411 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 412                     XmToggleButtonCallbackStruct * cbs)
 413 {
 414   if (!cbs->set)
 415     return;
 416
 417   wxRadioBox *item = (wxRadioBox *) clientData;
 418   int sel = -1;
 419   int i;
 420   for (i = 0; i < item->Number(); i++)
 421     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 422       sel = i;
 423   item->SetSel(sel);
 424
 425   if (item->InSetValue())
 426     return;
 427
 428   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 429   event.m_commandInt = sel;
 430   event.SetEventObject(item);
 431   item->ProcessCommand (event);
 432 }
 433