src/mac/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobox.cpp
   3 // Purpose:     wxRadioBox
   4 // Author:      AUTHOR
   5 // Modified by: JS Lair (99/11/15) first implementation
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 //-------------------------------------------------------------------------------------
  13 //              headers
  14 //-------------------------------------------------------------------------------------
  15
  16 #ifdef __GNUG__
  17   #pragma implementation "radioboxbase.h"
  18   #pragma implementation "radiobox.h"
  19 #endif
  20
  21 #include "wx/defs.h"
  22
  23 #include "wx/radiobox.h"
  24 #include "wx/radiobut.h"
  25 #include "wx/mac/uma.h"
  26
  27 #if !USE_SHARED_LIBRARY
  28 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  29 #endif
  30
  31 #pragma mark -
  32 #pragma mark ### Constructors & destructor ###
  33
  34 //-------------------------------------------------------------------------------------
  35 //              ¥ wxRadioBox()
  36 //-------------------------------------------------------------------------------------
  37 // Default constructor
  38 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  39 EVT_RADIOBUTTON( -1 , wxRadioBox::OnRadioButton )
  40 END_EVENT_TABLE()
  41
  42 void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
  43 {
  44   if ( outer.IsChecked() )
  45   {
  46     wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
  47     int i = GetSelection() ;
  48     event.SetInt( i );
  49     event.SetString( GetString( i ) );
  50     event.SetEventObject( this );
  51     ProcessCommand(event);
  52   }
  53 }
  54
  55 wxRadioBox::wxRadioBox()
  56 {
  57     m_noItems = 0;
  58     m_noRowsOrCols = 0;
  59     m_majorDim = 0 ;
  60     m_radioButtonCycle = NULL;
  61 }
  62
  63 //-------------------------------------------------------------------------------------
  64 //              ¥ wxRadioBox(wxWindow*, wxWindowID, const wxString&, const wxPoint&,
  65 //                                              const wxSize&, int, const wxString[], int, long,
  66 //                                              const wxValidator&, const wxString&)
  67 //-------------------------------------------------------------------------------------
  68 // Contructor, creating and showing a radiobox
  69 //
  70 // inline defined
  71 //
  72
  73 //-------------------------------------------------------------------------------------
  74 //              ¥ ~wxRadioBox
  75 //-------------------------------------------------------------------------------------
  76 // Destructor, destroying the radiobox item
  77
  78 wxRadioBox::~wxRadioBox()
  79 {
  80         wxRadioButton *next,*current;
  81
  82     current=m_radioButtonCycle->NextInCycle();
  83     next=current->NextInCycle();
  84     while (current!=m_radioButtonCycle) {
  85         delete current;
  86         current=next;
  87         next=current->NextInCycle();
  88         }
  89     delete current;
  90 }
  91
  92 //-------------------------------------------------------------------------------------
  93 //              ¥ Create
  94 //-------------------------------------------------------------------------------------
  95 // Create the radiobox for two-step construction
  96
  97 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  98              const wxPoint& pos, const wxSize& size,
  99              int n, const wxString choices[],
 100              int majorDim, long style,
 101              const wxValidator& val, const wxString& name)
 102 {
 103     int i;
 104
 105     m_noItems = n;
 106     m_noRowsOrCols = majorDim;
 107     m_radioButtonCycle = NULL;
 108
 109     if (majorDim==0)
 110         m_majorDim = n ;
 111     else
 112         m_majorDim = majorDim ;
 113
 114
 115         Rect bounds ;
 116         Str255 title ;
 117
 118         MacPreControlCreate( parent , id ,  label , pos , size ,style, val , name , &bounds , title ) ;
 119
 120         m_macControl = ::NewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , 0 , 1,
 121                 kControlGroupBoxTextTitleProc , (long) this ) ;
 122
 123     for (i = 0; i < n; i++)
 124     {
 125         wxRadioButton *radBtn = new wxRadioButton(this, NewControlId(),choices[i],wxPoint(5,20*i+10),
 126           wxDefaultSize , i == 0 ? wxRB_GROUP : 0 ) ;
 127         if ( i == 0 )
 128           m_radioButtonCycle = radBtn ;
 129 //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 130     }
 131
 132         SetSelection(0);
 133         MacPostControlCreate() ;
 134
 135   return TRUE;
 136 }
 137
 138
 139 #pragma mark -
 140 #pragma mark ### Specific functions (reference v2) ###
 141
 142 //-------------------------------------------------------------------------------------
 143 //              ¥ Enable(bool)
 144 //-------------------------------------------------------------------------------------
 145 // Enables or disables the entire radiobox
 146
 147 bool wxRadioBox::Enable(bool enable)
 148 {
 149         int i;
 150     wxRadioButton *current;
 151
 152     if (!wxControl::Enable(enable))
 153         return (false);
 154
 155     current=m_radioButtonCycle;
 156         for (i=0;i<m_noItems;i++) {
 157         current->Enable(enable);
 158         current=current->NextInCycle();
 159         }
 160     return (true);
 161 }
 162
 163 //-------------------------------------------------------------------------------------
 164 //              ¥ Enable(int, bool)
 165 //-------------------------------------------------------------------------------------
 166 // Enables or disables an given button
 167
 168 void wxRadioBox::Enable(int item, bool enable)
 169 {
 170         int i;
 171     wxRadioButton *current;
 172
 173     if ((item < 0) || (item >= m_noItems))
 174         return;
 175     i=0;
 176     current=m_radioButtonCycle;
 177     while (i!=item) {
 178         i++;
 179         current=current->NextInCycle();
 180         }
 181 }
 182
 183 //-------------------------------------------------------------------------------------
 184 //              ¥ GetLabel()
 185 //-------------------------------------------------------------------------------------
 186 // Returns the radiobox label
 187
 188 wxString wxRadioBox::GetLabel() const
 189 {
 190     return wxControl::GetLabel();
 191 }
 192
 193 //-------------------------------------------------------------------------------------
 194 //              ¥ GetLabel(int)
 195 //-------------------------------------------------------------------------------------
 196 // Returns the label for the given button
 197
 198 wxString wxRadioBox::GetString(int item) const
 199 {
 200         int i;
 201     wxRadioButton *current;
 202
 203     if ((item < 0) || (item >= m_noItems))
 204         return wxString("");
 205     i=0;
 206     current=m_radioButtonCycle;
 207     while (i!=item) {
 208         i++;
 209         current=current->NextInCycle();
 210         }
 211     return current->GetLabel();
 212 }
 213
 214 //-------------------------------------------------------------------------------------
 215 //              ¥ GetSelection
 216 //-------------------------------------------------------------------------------------
 217 // Returns the zero-based position of the selected button
 218
 219 int wxRadioBox::GetSelection() const
 220 {
 221     int i;
 222     wxRadioButton *current;
 223
 224     i=0;
 225     current=m_radioButtonCycle;
 226     while (!current->GetValue()) {
 227         i++;
 228         current=current->NextInCycle();
 229         }
 230
 231     return i;
 232 }
 233
 234 //-------------------------------------------------------------------------------------
 235 //              ¥ Number
 236 //-------------------------------------------------------------------------------------
 237 // Returns the number of buttons in the radiobox
 238 //
 239 // inline defined
 240 //
 241
 242 //-------------------------------------------------------------------------------------
 243 //              ¥ SetLabel(const wxString&)
 244 //-------------------------------------------------------------------------------------
 245 // Sets the radiobox label
 246
 247 void wxRadioBox::SetLabel(const wxString& label)
 248 {
 249     return wxControl::SetLabel(label);
 250 }
 251
 252 //-------------------------------------------------------------------------------------
 253 //              ¥ SetLabel(int, const wxString&)
 254 //-------------------------------------------------------------------------------------
 255 // Sets the label of a given button
 256
 257 void wxRadioBox::SetString(int item,const wxString& label)
 258 {
 259         int i;
 260     wxRadioButton *current;
 261
 262     if ((item < 0) || (item >= m_noItems))
 263         return;
 264         i=0;
 265     current=m_radioButtonCycle;
 266     while (i!=item) {
 267         i++;
 268         current=current->NextInCycle();
 269         }
 270     return current->SetLabel(label);
 271 }
 272
 273 //-------------------------------------------------------------------------------------
 274 //              ¥ SetSelection
 275 //-------------------------------------------------------------------------------------
 276 // Sets a button by passing the desired position. This does not cause
 277 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 278
 279 void wxRadioBox::SetSelection(int item)
 280 {
 281     int i;
 282     wxRadioButton *current;
 283
 284     if ((item < 0) || (item >= m_noItems))
 285         return;
 286     i=0;
 287     current=m_radioButtonCycle;
 288     while (i!=item) {
 289         i++;
 290         current=current->NextInCycle();
 291         }
 292     current->SetValue(true);
 293
 294 }
 295
 296 //-------------------------------------------------------------------------------------
 297 //              ¥ Show(bool)
 298 //-------------------------------------------------------------------------------------
 299 // Shows or hides the entire radiobox
 300
 301 bool wxRadioBox::Show(bool show)
 302 {
 303     int i;
 304     wxRadioButton *current;
 305
 306     wxControl::Show(show);
 307
 308     current=m_radioButtonCycle;
 309         for (i=0;i<m_noItems;i++) {
 310         current->Show(show);
 311         current=current->NextInCycle();
 312         }
 313     return true;
 314 }
 315
 316 //-------------------------------------------------------------------------------------
 317 //              ¥ Show(int, bool)
 318 //-------------------------------------------------------------------------------------
 319 // Shows or hides the given button
 320
 321 void wxRadioBox::Show(int item, bool show)
 322 {
 323         int i;
 324     wxRadioButton *current;
 325
 326     if ((item < 0) || (item >= m_noItems))
 327         return;
 328     i=0;
 329     current=m_radioButtonCycle;
 330     while (i!=item) {
 331         i++;
 332         current=current->NextInCycle();
 333         }
 334     current->Show(show);
 335 }
 336
 337 #pragma mark -
 338 #pragma mark ### Other external functions ###
 339
 340 //-------------------------------------------------------------------------------------
 341 //              ¥ Command
 342 //-------------------------------------------------------------------------------------
 343 // Simulates the effect of the user issuing a command to the item
 344
 345 void wxRadioBox::Command (wxCommandEvent & event)
 346 {
 347     SetSelection (event.GetInt());
 348     ProcessCommand (event);
 349 }
 350
 351 //-------------------------------------------------------------------------------------
 352 //              ¥ SetFocus
 353 //-------------------------------------------------------------------------------------
 354 // Sets the selected button to receive keyboard input
 355
 356 void wxRadioBox::SetFocus()
 357 {
 358     int i;
 359     wxRadioButton *current;
 360
 361     i=0;
 362     current=m_radioButtonCycle;
 363     while (!current->GetValue()) {
 364         i++;
 365         current=current->NextInCycle();
 366         }
 367         current->SetFocus();
 368 }
 369
 370
 371 #pragma mark -
 372 #pragma mark ### Internal functions ###
 373
 374 //-------------------------------------------------------------------------------------
 375 //              ¥ DoSetSize
 376 //-------------------------------------------------------------------------------------
 377 // Simulates the effect of the user issuing a command to the item
 378
 379 #define RADIO_SIZE 40
 380
 381 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 382 {
 383         int i;
 384         wxRadioButton *current;
 385
 386 // define the position
 387
 388         int x_current, y_current;
 389         int x_offset,y_offset;
 390     int widthOld, heightOld;
 391     GetSize(&widthOld, &heightOld);
 392
 393         x_offset = x;
 394         y_offset = y;
 395         GetPosition(&x_current, &y_current);
 396         if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 397                 x_offset = x_current;
 398         if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 399                 y_offset = y_current;
 400
 401 // define size
 402
 403         int charWidth,charHeight;
 404         int maxWidth,maxHeight;
 405         int eachWidth[128],eachHeight[128];
 406     int totWidth,totHeight;
 407
 408         SetFont(GetParent()->GetFont());
 409         GetTextExtent(wxString("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 410         charWidth/=52;
 411
 412         maxWidth=-1;
 413         maxHeight=-1;
 414         for (i = 0 ; i < m_noItems; i++)
 415                 {
 416                 GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i]);
 417                 eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 418                 eachHeight[i] = (int)((3*eachHeight[i])/2);
 419                 if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 420                 if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 421                 }
 422
 423         totHeight = GetRowCount() * (maxHeight + charHeight/2) + charHeight*3/2;
 424         totWidth  = GetColumnCount() * (maxWidth + charWidth) + charWidth;
 425
 426     // only change our width/height if asked for
 427     if ( width == -1 )
 428     {
 429         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 430             width = totWidth ;
 431         else
 432             width = widthOld;
 433     }
 434
 435     if ( height == -1 )
 436     {
 437         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 438             height = totHeight ;
 439         else
 440             height = heightOld;
 441     }
 442
 443         wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 444
 445 // arrange radiobuttons
 446
 447         int x_start,y_start;
 448
 449
 450         x_start = charWidth;
 451         y_start = 15 ;
 452         x_offset = x_start;
 453         y_offset = y_start;
 454
 455         current=m_radioButtonCycle;
 456         for ( i = 0 ; i < m_noItems; i++)
 457                 {
 458                 if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 459                 {
 460                 if (m_windowStyle & wxRA_VERTICAL)
 461                         {
 462                             x_offset += maxWidth + charWidth;
 463                         y_offset = y_start;
 464                                 }
 465                 else
 466                         {
 467                                 x_offset = x_start;
 468                         y_offset += maxHeight ; /*+ charHeight/2;*/
 469                                 }
 470                         }
 471
 472                 current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 473                 current=current->NextInCycle();
 474
 475                 if (m_windowStyle & wxRA_SPECIFY_ROWS)
 476                         y_offset += maxHeight ; /*+ charHeight/2;*/
 477                 else
 478                         x_offset += maxWidth + charWidth;
 479                 }
 480 }
 481
 482 wxSize wxRadioBox::DoGetBestSize() const
 483 {
 484     int charWidth, charHeight;
 485     int maxWidth, maxHeight;
 486     int eachWidth, eachHeight;
 487     int totWidth, totHeight;
 488
 489     wxFont font = GetParent()->GetFont();
 490     GetTextExtent(wxString("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
 491                   &charWidth, &charHeight, NULL, NULL, &font);
 492     charWidth /= 52;
 493
 494    maxWidth = -1;
 495    maxHeight = -1;
 496    for (int i = 0 ; i < m_noItems; i++)
 497    {
 498         GetTextExtent(GetString(i), &eachWidth, &eachHeight);
 499         eachWidth  = (int)(eachWidth + RADIO_SIZE) ;
 500         eachHeight = (int)((3 * eachHeight) / 2);
 501         if (maxWidth < eachWidth)     maxWidth = eachWidth;
 502         if (maxHeight < eachHeight)   maxHeight = eachHeight;
 503     }
 504
 505     totHeight = GetRowCount() * (maxHeight + charHeight/2) + charHeight * 3/2;
 506     totWidth  = GetColumnCount() * (maxWidth + charWidth) + charWidth;
 507    return wxSize(totWidth, totHeight);
 508 }
 509 //-------------------------------------------------------------------------------------
 510 //              ¥ GetNumVer
 511 //-------------------------------------------------------------------------------------
 512 // return the number of buttons in the vertical direction
 513
 514 int wxRadioBox::GetRowCount() const
 515 {
 516     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 517     {
 518         return m_majorDim;
 519     }
 520     else
 521     {
 522         return (m_noItems + m_majorDim - 1)/m_majorDim;
 523     }
 524 }
 525
 526 //-------------------------------------------------------------------------------------
 527 //              ¥ GetNumHor
 528 //-------------------------------------------------------------------------------------
 529 // return the number of buttons in the horizontal direction
 530
 531 int wxRadioBox::GetColumnCount() const
 532 {
 533     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 534     {
 535         return (m_noItems + m_majorDim - 1)/m_majorDim;
 536     }
 537     else
 538     {
 539         return m_majorDim;
 540     }
 541 }
 542
 543
 544
 545
 546