src/mac/carbon/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/radiobox.cpp
   3 // Purpose:     wxRadioBox
   4 // Author:      Stefan Csomor
   5 // Modified by: JS Lair (99/11/15) first implementation
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 //-------------------------------------------------------------------------------------
  13 //         headers
  14 //-------------------------------------------------------------------------------------
  15
  16 #include "wx/wxprec.h"
  17
  18 #if wxUSE_RADIOBOX
  19
  20 #include "wx/arrstr.h"
  21
  22 #include "wx/radiobox.h"
  23 #include "wx/radiobut.h"
  24 #include "wx/mac/uma.h"
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  27
  28 //-------------------------------------------------------------------------------------
  29 //         ¥ wxRadioBox()
  30 //-------------------------------------------------------------------------------------
  31 // Default constructor
  32 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  33 EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton )
  34 END_EVENT_TABLE()
  35
  36 void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
  37 {
  38     if ( outer.IsChecked() )
  39     {
  40         wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
  41         int i = GetSelection() ;
  42         event.SetInt( i );
  43         event.SetString( GetString( i ) );
  44         event.SetEventObject( this );
  45         ProcessCommand(event);
  46     }
  47 }
  48
  49 wxRadioBox::wxRadioBox()
  50 {
  51     m_noItems = 0;
  52     m_noRowsOrCols = 0;
  53     m_majorDim = 0 ;
  54     m_radioButtonCycle = NULL;
  55 }
  56
  57 //-------------------------------------------------------------------------------------
  58 //         ¥ wxRadioBox(wxWindow*, wxWindowID, const wxString&, const wxPoint&,
  59 //                        const wxSize&, int, const wxString[], int, long,
  60 //                        const wxValidator&, const wxString&)
  61 //-------------------------------------------------------------------------------------
  62 // Contructor, creating and showing a radiobox
  63 //
  64 // inline defined
  65 //
  66
  67 //-------------------------------------------------------------------------------------
  68 //         ¥ ~wxRadioBox
  69 //-------------------------------------------------------------------------------------
  70 // Destructor, destroying the radiobox item
  71
  72 wxRadioBox::~wxRadioBox()
  73 {
  74     m_isBeingDeleted = true;
  75
  76     wxRadioButton *next,*current;
  77
  78     current=m_radioButtonCycle->NextInCycle();
  79     next=current->NextInCycle();
  80     while (current!=m_radioButtonCycle) {
  81         delete current;
  82         current=next;
  83         next=current->NextInCycle();
  84     }
  85     delete current;
  86 }
  87
  88 //-------------------------------------------------------------------------------------
  89 //         ¥ Create
  90 //-------------------------------------------------------------------------------------
  91 // Create the radiobox for two-step construction
  92
  93 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  94                         const wxPoint& pos, const wxSize& size,
  95                         const wxArrayString& choices,
  96                         int majorDim, long style,
  97                         const wxValidator& val, const wxString& name)
  98 {
  99     wxCArrayString chs(choices);
 100
 101     return Create(parent, id, label, pos, size, chs.GetCount(),
 102                   chs.GetStrings(), majorDim, style, val, name);
 103 }
 104
 105 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
 106                         const wxPoint& pos, const wxSize& size,
 107                         int n, const wxString choices[],
 108                         int majorDim, long style,
 109                         const wxValidator& val, const wxString& name)
 110 {
 111     m_macIsUserPane = false ;
 112
 113     if ( !wxControl::Create(parent, id, pos, size, style, val, name) )
 114         return false;
 115
 116     int i;
 117
 118     m_noItems = n;
 119     m_noRowsOrCols = majorDim;
 120     m_radioButtonCycle = NULL;
 121
 122     if (majorDim==0)
 123         m_majorDim = n ;
 124     else
 125         m_majorDim = majorDim ;
 126
 127
 128     m_label = label ;
 129
 130     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
 131     if( bounds.right <= bounds.left )
 132         bounds.right = bounds.left + 100 ;
 133     if ( bounds.bottom <= bounds.top )
 134         bounds.bottom = bounds.top + 100 ;
 135
 136     m_peer = new wxMacControl(this) ;
 137
 138     verify_noerr(CreateGroupBoxControl(MAC_WXHWND(parent->MacGetTopLevelWindowRef()),&bounds, CFSTR("") ,
 139         true /*primary*/ , m_peer->GetControlRefAddr() ) ) ;
 140
 141     for (i = 0; i < n; i++)
 142     {
 143         wxRadioButton *radBtn = new wxRadioButton
 144                                     (
 145                                         this,
 146                                         wxID_ANY,
 147                                         wxStripMenuCodes(choices[i]),
 148                                         wxPoint(5,20*i+10),
 149                                         wxDefaultSize,
 150                                         i == 0 ? wxRB_GROUP : 0
 151                                     );
 152         if ( i == 0 )
 153             m_radioButtonCycle = radBtn ;
 154         //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 155     }
 156
 157     SetSelection(0);
 158     MacPostControlCreate(pos,size) ;
 159
 160     return true;
 161 }
 162
 163
 164 //-------------------------------------------------------------------------------------
 165 //         ¥ Enable(bool)
 166 //-------------------------------------------------------------------------------------
 167 // Enables or disables the entire radiobox
 168
 169 bool wxRadioBox::Enable(bool enable)
 170 {
 171     int i;
 172     wxRadioButton *current;
 173
 174     if (!wxControl::Enable(enable))
 175         return false;
 176
 177     current = m_radioButtonCycle;
 178     for (i = 0; i < m_noItems; i++) {
 179         current->Enable(enable);
 180         current = current->NextInCycle();
 181     }
 182     return true;
 183 }
 184
 185 //-------------------------------------------------------------------------------------
 186 //         ¥ Enable(int, bool)
 187 //-------------------------------------------------------------------------------------
 188 // Enables or disables an given button
 189
 190 bool wxRadioBox::Enable(int item, bool enable)
 191 {
 192     int i;
 193     wxRadioButton *current;
 194
 195     if (!IsValid(item))
 196         return false;
 197
 198     i = 0;
 199     current = m_radioButtonCycle;
 200     while (i != item) {
 201         i++;
 202         current = current->NextInCycle();
 203     }
 204     return current->Enable(enable);
 205 }
 206
 207 //-------------------------------------------------------------------------------------
 208 //         ¥ GetLabel()
 209 //-------------------------------------------------------------------------------------
 210 // Returns the radiobox label
 211
 212 wxString wxRadioBox::GetLabel() const
 213 {
 214     return wxControl::GetLabel();
 215 }
 216
 217 //-------------------------------------------------------------------------------------
 218 //         ¥ GetLabel(int)
 219 //-------------------------------------------------------------------------------------
 220 // Returns the label for the given button
 221
 222 wxString wxRadioBox::GetString(int item) const
 223 {
 224     int i;
 225     wxRadioButton *current;
 226
 227     if (!IsValid(item))
 228         return wxEmptyString;
 229
 230     i = 0;
 231     current = m_radioButtonCycle;
 232     while (i != item) {
 233         i++;
 234         current = current->NextInCycle();
 235     }
 236     return current->GetLabel();
 237 }
 238
 239 //-------------------------------------------------------------------------------------
 240 //         ¥ GetSelection
 241 //-------------------------------------------------------------------------------------
 242 // Returns the zero-based position of the selected button
 243
 244 int wxRadioBox::GetSelection() const
 245 {
 246     int i;
 247     wxRadioButton *current;
 248
 249     i=0;
 250     current=m_radioButtonCycle;
 251     while (!current->GetValue()) {
 252         i++;
 253         current=current->NextInCycle();
 254     }
 255
 256     return i;
 257 }
 258
 259 //-------------------------------------------------------------------------------------
 260 //         ¥ Number
 261 //-------------------------------------------------------------------------------------
 262 // Returns the number of buttons in the radiobox
 263 //
 264 // inline defined
 265 //
 266
 267 //-------------------------------------------------------------------------------------
 268 //         ¥ SetLabel(const wxString&)
 269 //-------------------------------------------------------------------------------------
 270 // Sets the radiobox label
 271
 272 void wxRadioBox::SetLabel(const wxString& label)
 273 {
 274     return wxControl::SetLabel(label);
 275 }
 276
 277 //-------------------------------------------------------------------------------------
 278 //         ¥ SetLabel(int, const wxString&)
 279 //-------------------------------------------------------------------------------------
 280 // Sets the label of a given button
 281
 282 void wxRadioBox::SetString(int item,const wxString& label)
 283 {
 284        int i;
 285     wxRadioButton *current;
 286
 287     if (!IsValid(item))
 288         return;
 289     i=0;
 290     current=m_radioButtonCycle;
 291     while (i!=item) {
 292         i++;
 293         current=current->NextInCycle();
 294     }
 295     return current->SetLabel(label);
 296 }
 297
 298 //-------------------------------------------------------------------------------------
 299 //         ¥ SetSelection
 300 //-------------------------------------------------------------------------------------
 301 // Sets a button by passing the desired position. This does not cause
 302 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 303
 304 void wxRadioBox::SetSelection(int item)
 305 {
 306     int i;
 307     wxRadioButton *current;
 308
 309     if (!IsValid(item))
 310         return;
 311     i=0;
 312     current=m_radioButtonCycle;
 313     while (i!=item) {
 314         i++;
 315         current=current->NextInCycle();
 316     }
 317     current->SetValue(true);
 318
 319 }
 320
 321 //-------------------------------------------------------------------------------------
 322 //         ¥ Show(bool)
 323 //-------------------------------------------------------------------------------------
 324 // Shows or hides the entire radiobox
 325
 326 bool wxRadioBox::Show(bool show)
 327 {
 328     int i;
 329     wxRadioButton *current;
 330
 331     wxControl::Show(show);
 332
 333     current=m_radioButtonCycle;
 334     for (i=0;i<m_noItems;i++)
 335     {
 336         current->Show(show);
 337         current=current->NextInCycle();
 338     }
 339     return true;
 340 }
 341
 342 //-------------------------------------------------------------------------------------
 343 //         ¥ Show(int, bool)
 344 //-------------------------------------------------------------------------------------
 345 // Shows or hides the given button
 346
 347 bool wxRadioBox::Show(int item, bool show)
 348 {
 349     int i;
 350     wxRadioButton *current;
 351
 352     if (!IsValid(item))
 353         return false;
 354     i=0;
 355     current=m_radioButtonCycle;
 356     while (i!=item) {
 357         i++;
 358         current=current->NextInCycle();
 359     }
 360     return current->Show(show);
 361 }
 362
 363 //-------------------------------------------------------------------------------------
 364 //         ¥ Command
 365 //-------------------------------------------------------------------------------------
 366 // Simulates the effect of the user issuing a command to the item
 367
 368 void wxRadioBox::Command (wxCommandEvent & event)
 369 {
 370     SetSelection (event.GetInt());
 371     ProcessCommand (event);
 372 }
 373
 374 //-------------------------------------------------------------------------------------
 375 //         ¥ SetFocus
 376 //-------------------------------------------------------------------------------------
 377 // Sets the selected button to receive keyboard input
 378
 379 void wxRadioBox::SetFocus()
 380 {
 381     int i;
 382     wxRadioButton *current;
 383
 384     i=0;
 385     current=m_radioButtonCycle;
 386     while (!current->GetValue()) {
 387         i++;
 388         current=current->NextInCycle();
 389     }
 390     current->SetFocus();
 391 }
 392
 393
 394 //-------------------------------------------------------------------------------------
 395 //         ¥ DoSetSize
 396 //-------------------------------------------------------------------------------------
 397 // Simulates the effect of the user issuing a command to the item
 398
 399 #define RADIO_SIZE 20
 400
 401 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 402 {
 403     int i;
 404     wxRadioButton *current;
 405
 406     // define the position
 407
 408     int x_current, y_current;
 409     int x_offset,y_offset;
 410     int widthOld, heightOld;
 411     GetSize(&widthOld, &heightOld);
 412
 413     x_offset = x;
 414     y_offset = y;
 415     GetPosition(&x_current, &y_current);
 416     if ((x == wxDefaultCoord) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 417         x_offset = x_current;
 418     if ((y == wxDefaultCoord)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 419         y_offset = y_current;
 420
 421     // define size
 422
 423     int charWidth,charHeight;
 424     int maxWidth,maxHeight;
 425     int eachWidth[128],eachHeight[128];
 426     int totWidth,totHeight;
 427
 428     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 429
 430     charWidth/=52;
 431
 432     maxWidth=-1;
 433     maxHeight=-1;
 434     for (i = 0 ; i < m_noItems; i++)
 435     {
 436         GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i]);
 437         eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 438         eachHeight[i] = (int)((3*eachHeight[i])/2);
 439         if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 440         if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 441     }
 442
 443     totHeight = GetRowCount() * ( maxHeight ) ;
 444     totWidth  = GetColumnCount() * (maxWidth + charWidth) ;
 445
 446     wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth , totHeight ) ) ;
 447
 448     // only change our width/height if asked for
 449     if ( width == wxDefaultCoord )
 450     {
 451         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 452             width = sz.x ;
 453         else
 454             width = widthOld;
 455     }
 456
 457     if ( height == wxDefaultCoord )
 458     {
 459         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 460             height = sz.y ;
 461         else
 462             height = heightOld;
 463     }
 464
 465     wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 466
 467     // arrange radiobuttons
 468
 469     int x_start,y_start;
 470
 471
 472     x_start = 0;
 473     y_start = 0 ;
 474
 475     x_offset = x_start;
 476     y_offset = y_start;
 477
 478     current=m_radioButtonCycle;
 479     for ( i = 0 ; i < m_noItems; i++)
 480     {
 481         if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 482         {
 483             if (m_windowStyle & wxRA_SPECIFY_ROWS)
 484             {
 485                 x_offset += maxWidth + charWidth;
 486                 y_offset = y_start;
 487             }
 488             else
 489             {
 490                 x_offset = x_start;
 491                 y_offset += maxHeight ; /*+ charHeight/2;*/
 492             }
 493         }
 494
 495         current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 496         current=current->NextInCycle();
 497
 498         if (m_windowStyle & wxRA_SPECIFY_ROWS)
 499             y_offset += maxHeight ; /*+ charHeight/2;*/
 500         else
 501             x_offset += maxWidth + charWidth;
 502     }
 503 }
 504
 505 wxSize wxRadioBox::DoGetBestSize() const
 506 {
 507     int charWidth, charHeight;
 508     int maxWidth, maxHeight;
 509     int eachWidth, eachHeight;
 510     int totWidth, totHeight;
 511
 512     wxFont font = /*GetParent()->*/GetFont();
 513     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
 514         &charWidth, &charHeight, NULL, NULL, &font);
 515
 516     charWidth /= 52;
 517
 518     maxWidth = -1;
 519     maxHeight = -1;
 520
 521     for (int i = 0 ; i < m_noItems; i++)
 522     {
 523         GetTextExtent(GetString(i), &eachWidth, &eachHeight,NULL, NULL, &font);
 524         eachWidth  = (int)(eachWidth + RADIO_SIZE) ;
 525         eachHeight = (int)((3 * eachHeight) / 2);
 526         if (maxWidth < eachWidth)     maxWidth = eachWidth;
 527         if (maxHeight < eachHeight)   maxHeight = eachHeight;
 528     }
 529
 530     totHeight = GetRowCount() * (maxHeight ) ;
 531     totWidth  = GetColumnCount() * (maxWidth + charWidth) ;
 532
 533     wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth , totHeight ) ) ;
 534     totWidth = sz.x ;
 535     totHeight = sz.y ;
 536
 537     // handle radio box title as well
 538     GetTextExtent(GetLabel(), &eachWidth, NULL);
 539     eachWidth  = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth ;
 540     if (totWidth < eachWidth)
 541         totWidth = eachWidth;
 542
 543     return wxSize(totWidth, totHeight);
 544 }
 545 //-------------------------------------------------------------------------------------
 546 //         ¥ GetNumVer
 547 //-------------------------------------------------------------------------------------
 548 // return the number of buttons in the vertical direction
 549
 550 int wxRadioBox::GetRowCount() const
 551 {
 552     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 553     {
 554         return m_majorDim;
 555     }
 556     else
 557     {
 558         return (m_noItems + m_majorDim - 1)/m_majorDim;
 559     }
 560 }
 561
 562 //-------------------------------------------------------------------------------------
 563 //         ¥ GetNumHor
 564 //-------------------------------------------------------------------------------------
 565 // return the number of buttons in the horizontal direction
 566
 567 int wxRadioBox::GetColumnCount() const
 568 {
 569     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 570     {
 571         return (m_noItems + m_majorDim - 1)/m_majorDim;
 572     }
 573     else
 574     {
 575         return m_majorDim;
 576     }
 577 }
 578
 579 #endif