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 #ifdef __VMS__
  20 #pragma message disable nosimpint
  21 #endif
  22 #include <Xm/Label.h>
  23 #include <Xm/LabelG.h>
  24 #include <Xm/ToggleB.h>
  25 #include <Xm/ToggleBG.h>
  26 #include <Xm/RowColumn.h>
  27 #include <Xm/Form.h>
  28 #include <Xm/Frame.h>
  29 #ifdef __VMS__
  30 #pragma message enable nosimpint
  31 #endif
  32
  33 #include "wx/motif/private.h"
  34
  35 void wxRadioBoxCallback (Widget w, XtPointer clientData,
  36                     XmToggleButtonCallbackStruct * cbs);
  37
  38 #if !USE_SHARED_LIBRARY
  39 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  40 #endif
  41
  42 // Radio box item
  43 wxRadioBox::wxRadioBox()
  44 {
  45     m_selectedButton = -1;
  46     m_noItems = 0;
  47     m_noRowsOrCols = 0;
  48     m_majorDim = 0 ;
  49
  50     m_formWidget = (WXWidget) 0;
  51     m_frameWidget = (WXWidget) 0;
  52     m_labelWidget = (WXWidget) 0;
  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_formWidget = (WXWidget) 0;
  66     m_frameWidget = (WXWidget) 0;
  67     m_labelWidget = (WXWidget) 0;
  68     m_radioButtons = (WXWidget*) NULL;
  69     m_radioButtonLabels = (wxString*) NULL;
  70     m_backgroundColour = parent->GetBackgroundColour();
  71     m_foregroundColour = parent->GetForegroundColour();
  72     m_font = parent->GetFont();
  73
  74     SetName(name);
  75     SetValidator(val);
  76
  77     parent->AddChild(this);
  78
  79     m_windowStyle = (long&)style;
  80
  81     if (id == -1)
  82         m_windowId = NewControlId();
  83     else
  84         m_windowId = id;
  85
  86     m_noRowsOrCols = majorDim;
  87
  88     if (majorDim==0)
  89         m_majorDim = n ;
  90     else
  91         m_majorDim = majorDim ;
  92
  93     Widget parentWidget = (Widget) parent->GetClientWidget();
  94
  95     wxString label1(wxStripMenuCodes(title));
  96
  97     Widget formWidget = XtVaCreateManagedWidget (name.c_str(),
  98                                         xmFormWidgetClass, parentWidget,
  99                                         XmNmarginHeight, 0,
 100                                         XmNmarginWidth, 0,
 101                                         NULL);
 102
 103     m_formWidget = (WXWidget) formWidget;
 104
 105     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay(parentWidget));
 106     if (label1 != "")
 107     {
 108         wxXmString text(label1);
 109         (void)XtVaCreateManagedWidget(label1.c_str(),
 110 #if wxUSE_GADGETS
 111                                              style & wxCOLOURED ? xmLabelWidgetClass
 112                                                                 : xmLabelGadgetClass,
 113                                              formWidget,
 114 #else
 115                                              xmLabelWidgetClass, formWidget,
 116 #endif
 117                                              XmNfontList, fontList,
 118                                              XmNlabelString, text(),
 119                                              NULL);
 120     }
 121
 122     Widget frameWidget = XtVaCreateManagedWidget ("frame",
 123                                         xmFrameWidgetClass, formWidget,
 124                                         XmNshadowType, XmSHADOW_IN,
 125 //                                        XmNmarginHeight, 0,
 126 //                                        XmNmarginWidth, 0,
 127                                         NULL);
 128
 129     m_frameWidget = (WXWidget) frameWidget;
 130
 131     Arg args[3];
 132
 133     m_majorDim = (n + m_majorDim - 1) / m_majorDim;
 134
 135     XtSetArg (args[0], XmNorientation, ((style & wxHORIZONTAL) == wxHORIZONTAL ?
 136                                           XmHORIZONTAL : XmVERTICAL));
 137     XtSetArg (args[1], XmNnumColumns, m_majorDim);
 138
 139     Widget radioBoxWidget = XmCreateRadioBox (frameWidget, "radioBoxWidget", args, 2);
 140     m_mainWidget = (WXWidget) radioBoxWidget;
 141
 142
 143     if (m_labelWidget)
 144             XtVaSetValues ((Widget) m_labelWidget,
 145                        XmNtopAttachment, XmATTACH_FORM,
 146                        XmNleftAttachment, XmATTACH_FORM,
 147                        XmNalignment, XmALIGNMENT_BEGINNING,
 148                        NULL);
 149
 150     XtVaSetValues (radioBoxWidget,
 151             XmNtopAttachment, m_labelWidget ? XmATTACH_WIDGET : XmATTACH_FORM,
 152                      XmNtopWidget, m_labelWidget ? (Widget) m_labelWidget : formWidget,
 153                      XmNbottomAttachment, XmATTACH_FORM,
 154                      XmNleftAttachment, XmATTACH_FORM,
 155                      XmNrightAttachment, XmATTACH_FORM,
 156                      NULL);
 157
 158     //    if (style & wxFLAT)
 159     //        XtVaSetValues (radioBoxWidget, XmNborderWidth, 1, NULL);
 160
 161     m_radioButtons = new WXWidget[n];
 162     m_radioButtonLabels = new wxString[n];
 163     int i;
 164     for (i = 0; i < n; i++)
 165     {
 166         wxString str(wxStripMenuCodes(choices[i]));
 167         m_radioButtonLabels[i] = str;
 168         m_radioButtons[i] = (WXWidget) XtVaCreateManagedWidget ((char*) (const char*) str,
 169 #if wxUSE_GADGETS
 170                             xmToggleButtonGadgetClass, radioBoxWidget,
 171 #else
 172                                     xmToggleButtonWidgetClass, radioBoxWidget,
 173 #endif
 174                                     XmNfontList, fontList,
 175                                                  NULL);
 176 #ifdef __VMS__
 177 #pragma message disable voiincconext
 178        // VMS gives here the compiler warning:
 179        // conversion from pointer to function to void* permitted
 180        // as an extension
 181 #endif
 182         XtAddCallback ((Widget) m_radioButtons[i], XmNvalueChangedCallback, (XtCallbackProc) wxRadioBoxCallback,
 183                      (XtCallbackProc) this);
 184 #ifdef __VMS__
 185 #pragma message enable voiincconext
 186 #endif
 187
 188     }
 189     SetSelection (0);
 190
 191     m_font = parent->GetFont();
 192     ChangeFont(FALSE);
 193
 194     //    XtManageChild((Widget) m_formWidget);
 195     XtManageChild (radioBoxWidget);
 196
 197     SetCanAddEventHandler(TRUE);
 198     AttachWidget (parent, m_mainWidget, m_formWidget, pos.x, pos.y, size.x, size.y);
 199
 200     ChangeBackgroundColour();
 201
 202     return TRUE;
 203 }
 204
 205
 206 wxRadioBox::~wxRadioBox()
 207 {
 208     delete[] m_radioButtonLabels;
 209     delete[] m_radioButtons;
 210
 211     DetachWidget(m_formWidget);
 212     DetachWidget(m_mainWidget);
 213
 214     if (m_labelWidget)
 215        XtDestroyWidget((Widget) m_labelWidget);
 216     XtDestroyWidget((Widget) m_mainWidget);
 217     XtDestroyWidget((Widget) m_formWidget);
 218
 219     m_mainWidget = (WXWidget) 0;
 220     m_formWidget = (WXWidget) 0;
 221     m_labelWidget = (WXWidget) 0;
 222 }
 223
 224 wxString wxRadioBox::GetLabel(int item) const
 225 {
 226     if (item < 0 || item >= m_noItems)
 227         return wxEmptyString;
 228
 229     Widget widget = (Widget) m_radioButtons[item];
 230     XmString text;
 231     char *s;
 232     XtVaGetValues (widget,
 233                     XmNlabelString, &text,
 234                     NULL);
 235
 236     if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
 237     {
 238         // Should we free 'text'???
 239         XmStringFree(text);
 240         wxString str(s);
 241         XtFree (s);
 242         return str;
 243     }
 244     else
 245     {
 246         XmStringFree(text);
 247         return wxEmptyString;
 248     }
 249 }
 250
 251 void wxRadioBox::SetLabel(int item, const wxString& label)
 252 {
 253     if (item < 0 || item >= m_noItems)
 254         return;
 255
 256     Widget widget = (Widget) m_radioButtons[item];
 257     if (label != "")
 258     {
 259         wxString label1(wxStripMenuCodes(label));
 260         XmString text = XmStringCreateSimple ((char*) (const char*) label1);
 261         XtVaSetValues (widget,
 262                         XmNlabelString, text,
 263                         XmNlabelType, XmSTRING,
 264                         NULL);
 265         XmStringFree (text);
 266     }
 267 }
 268
 269 int wxRadioBox::FindString(const wxString& s) const
 270 {
 271     int i;
 272     for (i = 0; i < m_noItems; i++)
 273         if (s == m_radioButtonLabels[i])
 274             return i;
 275     return -1;
 276 }
 277
 278 void wxRadioBox::SetSelection(int n)
 279 {
 280     if ((n < 0) || (n >= m_noItems))
 281         return;
 282
 283     m_selectedButton = n;
 284
 285     m_inSetValue = TRUE;
 286
 287     XmToggleButtonSetState ((Widget) m_radioButtons[n], TRUE, FALSE);
 288
 289     int i;
 290     for (i = 0; i < m_noItems; i++)
 291         if (i != n)
 292             XmToggleButtonSetState ((Widget) m_radioButtons[i], FALSE, FALSE);
 293
 294     m_inSetValue = FALSE;
 295 }
 296
 297 // Get single selection, for single choice list items
 298 int wxRadioBox::GetSelection() const
 299 {
 300     return m_selectedButton;
 301 }
 302
 303 // Find string for position
 304 wxString wxRadioBox::GetString(int n) const
 305 {
 306     if ((n < 0) || (n >= m_noItems))
 307         return wxEmptyString;
 308     return m_radioButtonLabels[n];
 309 }
 310
 311 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 312 {
 313     bool managed = XtIsManaged((Widget) m_formWidget);
 314
 315     if (managed)
 316         XtUnmanageChild ((Widget) m_formWidget);
 317
 318     int xx = x; int yy = y;
 319     AdjustForParentClientOrigin(xx, yy, sizeFlags);
 320
 321     if (x > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 322         XtVaSetValues ((Widget) m_formWidget, XmNleftAttachment, XmATTACH_SELF,
 323                    XmNx, xx, NULL);
 324     if (y > -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 325         XtVaSetValues ((Widget) m_formWidget, XmNtopAttachment, XmATTACH_SELF,
 326                    XmNy, yy, NULL);
 327
 328     // Must set the actual RadioBox to be desired size MINUS label size
 329     Dimension labelWidth = 0, labelHeight = 0, actualWidth = 0, actualHeight = 0;
 330
 331     if (m_labelWidget)
 332         XtVaGetValues ((Widget) m_labelWidget, XmNwidth, &labelWidth, XmNheight, &labelHeight, NULL);
 333
 334     actualWidth = width;
 335     actualHeight = height - labelHeight;
 336
 337     if (width > -1)
 338     {
 339         XtVaSetValues ((Widget) m_mainWidget, XmNwidth, actualWidth, NULL);
 340     }
 341     if (height > -1)
 342     {
 343         XtVaSetValues ((Widget) m_mainWidget, XmNheight, actualHeight, NULL);
 344     }
 345     if (managed)
 346         XtManageChild ((Widget) m_formWidget);
 347 }
 348
 349 // Enable a specific button
 350 void wxRadioBox::Enable(int n, bool enable)
 351 {
 352     if ((n < 0) || (n >= m_noItems))
 353         return;
 354
 355     XtSetSensitive ((Widget) m_radioButtons[n], (Boolean) enable);
 356 }
 357
 358 // Enable all controls
 359 bool wxRadioBox::Enable(bool enable)
 360 {
 361     if ( !wxControl::Enable(enable) )
 362         return FALSE;
 363
 364     int i;
 365     for (i = 0; i < m_noItems; i++)
 366         XtSetSensitive ((Widget) m_radioButtons[i], (Boolean) enable);
 367
 368     return TRUE;
 369 }
 370
 371 bool wxRadioBox::Show(bool show)
 372 {
 373     // TODO: show/hide all children
 374     return wxControl::Show(show);
 375 }
 376
 377 // Show a specific button
 378 void wxRadioBox::Show(int n, bool show)
 379 {
 380   // This method isn't complete, and we try do do our best...
 381   // It's main purpose isn't for allowing Show/Unshow dynamically,
 382   // but rather to provide a way to design wxRadioBox such:
 383   //
 384   //        o Val1  o Val2   o Val3
 385   //        o Val4           o Val6
 386   //        o Val7  o Val8   o Val9
 387   //
 388   // In my case, this is a 'direction' box, and the Show(5,False) is
 389   // coupled with an Enable(5,False)
 390   //
 391     if ((n < 0) || (n >= m_noItems))
 392         return;
 393
 394     XtVaSetValues ((Widget) m_radioButtons[n],
 395         XmNindicatorOn, (unsigned char) show,
 396         NULL);
 397
 398     // Please note that this is all we can do: removing the label
 399     // if switching to unshow state. However, when switching
 400     // to the on state, it's the prog. resp. to call SetLabel(item,...)
 401     // after this call!!
 402     if (!show)
 403         wxRadioBox::SetLabel (n, " ");
 404 }
 405
 406 // For single selection items only
 407 wxString wxRadioBox::GetStringSelection () const
 408 {
 409     int sel = GetSelection ();
 410     if (sel > -1)
 411         return this->GetString (sel);
 412     else
 413         return wxString("");
 414 }
 415
 416 bool wxRadioBox::SetStringSelection (const wxString& s)
 417 {
 418     int sel = FindString (s);
 419     if (sel > -1)
 420     {
 421         SetSelection (sel);
 422         return TRUE;
 423     }
 424     else
 425         return FALSE;
 426 }
 427
 428 void wxRadioBox::Command (wxCommandEvent & event)
 429 {
 430     SetSelection (event.m_commandInt);
 431     ProcessCommand (event);
 432 }
 433
 434 void wxRadioBox::ChangeFont(bool keepOriginalSize)
 435 {
 436     wxWindow::ChangeFont(keepOriginalSize);
 437
 438     XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) GetTopWidget()));
 439
 440     int i;
 441     for (i = 0; i < m_noItems; i++)
 442     {
 443         WXWidget radioButton = m_radioButtons[i];
 444
 445         XtVaSetValues ((Widget) radioButton,
 446                        XmNfontList, fontList,
 447                        XmNtopAttachment, XmATTACH_FORM,
 448                        NULL);
 449     }
 450 }
 451
 452 void wxRadioBox::ChangeBackgroundColour()
 453 {
 454     wxWindow::ChangeBackgroundColour();
 455
 456     DoChangeBackgroundColour((Widget) m_frameWidget, m_backgroundColour);
 457
 458     int selectPixel = wxBLACK->AllocColour(wxGetDisplay());
 459
 460     int i;
 461     for (i = 0; i < m_noItems; i++)
 462     {
 463         WXWidget radioButton = m_radioButtons[i];
 464
 465         DoChangeBackgroundColour(radioButton, m_backgroundColour, TRUE);
 466
 467         XtVaSetValues ((Widget) radioButton,
 468           XmNselectColor, selectPixel,
 469           NULL);
 470     }
 471 }
 472
 473 void wxRadioBox::ChangeForegroundColour()
 474 {
 475     wxWindow::ChangeForegroundColour();
 476
 477     int i;
 478     for (i = 0; i < m_noItems; i++)
 479     {
 480         WXWidget radioButton = m_radioButtons[i];
 481
 482         DoChangeForegroundColour(radioButton, m_foregroundColour);
 483     }
 484 }
 485
 486 void wxRadioBoxCallback (Widget w, XtPointer clientData,
 487                     XmToggleButtonCallbackStruct * cbs)
 488 {
 489   if (!cbs->set)
 490     return;
 491
 492   wxRadioBox *item = (wxRadioBox *) clientData;
 493   int sel = -1;
 494   int i;
 495   for (i = 0; i < item->Number(); i++)
 496     if (item->GetRadioButtons() && ((Widget) (item->GetRadioButtons()[i]) == w))
 497       sel = i;
 498   item->SetSel(sel);
 499
 500   if (item->InSetValue())
 501     return;
 502
 503   wxCommandEvent event (wxEVT_COMMAND_RADIOBOX_SELECTED, item->GetId());
 504   event.m_commandInt = sel;
 505   event.SetEventObject(item);
 506   item->ProcessCommand (event);
 507 }
 508