src/mac/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "radioboxbase.h"
  14 #pragma implementation "radiobox.h"
  15 #endif
  16
  17 //-------------------------------------------------------------------------------------
  18 //         headers
  19 //-------------------------------------------------------------------------------------
  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     m_isBeingDeleted = TRUE;
  81
  82     wxRadioButton *next,*current;
  83
  84     current=m_radioButtonCycle->NextInCycle();
  85     next=current->NextInCycle();
  86     while (current!=m_radioButtonCycle) {
  87         delete current;
  88         current=next;
  89         next=current->NextInCycle();
  90     }
  91     delete current;
  92 }
  93
  94 //-------------------------------------------------------------------------------------
  95 //         ¥ Create
  96 //-------------------------------------------------------------------------------------
  97 // Create the radiobox for two-step construction
  98
  99 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
 100                         const wxPoint& pos, const wxSize& size,
 101                         int n, const wxString choices[],
 102                         int majorDim, long style,
 103                         const wxValidator& val, const wxString& name)
 104 {
 105     if ( !wxControl::Create(parent, id, pos, size, style, val, name) )
 106         return false;
 107
 108     int i;
 109
 110     m_noItems = n;
 111     m_noRowsOrCols = majorDim;
 112     m_radioButtonCycle = NULL;
 113
 114     if (majorDim==0)
 115         m_majorDim = n ;
 116     else
 117         m_majorDim = majorDim ;
 118
 119
 120     Rect bounds ;
 121     Str255 title ;
 122
 123     MacPreControlCreate( parent , id ,  wxStripMenuCodes(label) , pos , size ,style, val , name , &bounds , title ) ;
 124
 125     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 0 , 1,
 126         kControlGroupBoxTextTitleProc , (long) this ) ;
 127
 128     for (i = 0; i < n; i++)
 129     {
 130         wxRadioButton *radBtn = new wxRadioButton
 131                                     (
 132                                         this,
 133                                         wxID_ANY,
 134                                         wxStripMenuCodes(choices[i]),
 135                                         wxPoint(5,20*i+10),
 136                                         wxDefaultSize,
 137                                         i == 0 ? wxRB_GROUP : 0
 138                                     );
 139         if ( i == 0 )
 140             m_radioButtonCycle = radBtn ;
 141         //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 142     }
 143
 144     SetSelection(0);
 145     MacPostControlCreate() ;
 146
 147     return TRUE;
 148 }
 149
 150
 151 #pragma mark -
 152 #pragma mark ### Specific functions (reference v2) ###
 153
 154 //-------------------------------------------------------------------------------------
 155 //         ¥ Enable(bool)
 156 //-------------------------------------------------------------------------------------
 157 // Enables or disables the entire radiobox
 158
 159 bool wxRadioBox::Enable(bool enable)
 160 {
 161     int i;
 162     wxRadioButton *current;
 163
 164     if (!wxControl::Enable(enable))
 165         return false;
 166
 167     current = m_radioButtonCycle;
 168     for (i = 0; i < m_noItems; i++) {
 169         current->Enable(enable);
 170         current = current->NextInCycle();
 171     }
 172     return true;
 173 }
 174
 175 //-------------------------------------------------------------------------------------
 176 //         ¥ Enable(int, bool)
 177 //-------------------------------------------------------------------------------------
 178 // Enables or disables an given button
 179
 180 void wxRadioBox::Enable(int item, bool enable)
 181 {
 182     int i;
 183     wxRadioButton *current;
 184
 185     if ((item < 0) || (item >= m_noItems))
 186         return;
 187
 188     i = 0;
 189     current = m_radioButtonCycle;
 190     while (i != item) {
 191         i++;
 192         current = current->NextInCycle();
 193     }
 194     current->Enable(enable);
 195 }
 196
 197 //-------------------------------------------------------------------------------------
 198 //         ¥ GetLabel()
 199 //-------------------------------------------------------------------------------------
 200 // Returns the radiobox label
 201
 202 wxString wxRadioBox::GetLabel() const
 203 {
 204     return wxControl::GetLabel();
 205 }
 206
 207 //-------------------------------------------------------------------------------------
 208 //         ¥ GetLabel(int)
 209 //-------------------------------------------------------------------------------------
 210 // Returns the label for the given button
 211
 212 wxString wxRadioBox::GetString(int item) const
 213 {
 214     int i;
 215     wxRadioButton *current;
 216
 217     if ((item < 0) || (item >= m_noItems))
 218         return wxEmptyString;
 219
 220     i = 0;
 221     current = m_radioButtonCycle;
 222     while (i != item) {
 223         i++;
 224         current = current->NextInCycle();
 225     }
 226     return current->GetLabel();
 227 }
 228
 229 //-------------------------------------------------------------------------------------
 230 //         ¥ GetSelection
 231 //-------------------------------------------------------------------------------------
 232 // Returns the zero-based position of the selected button
 233
 234 int wxRadioBox::GetSelection() const
 235 {
 236     int i;
 237     wxRadioButton *current;
 238
 239     i=0;
 240     current=m_radioButtonCycle;
 241     while (!current->GetValue()) {
 242         i++;
 243         current=current->NextInCycle();
 244     }
 245
 246     return i;
 247 }
 248
 249 //-------------------------------------------------------------------------------------
 250 //         ¥ Number
 251 //-------------------------------------------------------------------------------------
 252 // Returns the number of buttons in the radiobox
 253 //
 254 // inline defined
 255 //
 256
 257 //-------------------------------------------------------------------------------------
 258 //         ¥ SetLabel(const wxString&)
 259 //-------------------------------------------------------------------------------------
 260 // Sets the radiobox label
 261
 262 void wxRadioBox::SetLabel(const wxString& label)
 263 {
 264     return wxControl::SetLabel(label);
 265 }
 266
 267 //-------------------------------------------------------------------------------------
 268 //         ¥ SetLabel(int, const wxString&)
 269 //-------------------------------------------------------------------------------------
 270 // Sets the label of a given button
 271
 272 void wxRadioBox::SetString(int item,const wxString& label)
 273 {
 274        int i;
 275     wxRadioButton *current;
 276
 277     if ((item < 0) || (item >= m_noItems))
 278         return;
 279     i=0;
 280     current=m_radioButtonCycle;
 281     while (i!=item) {
 282         i++;
 283         current=current->NextInCycle();
 284     }
 285     return current->SetLabel(label);
 286 }
 287
 288 //-------------------------------------------------------------------------------------
 289 //         ¥ SetSelection
 290 //-------------------------------------------------------------------------------------
 291 // Sets a button by passing the desired position. This does not cause
 292 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 293
 294 void wxRadioBox::SetSelection(int item)
 295 {
 296     int i;
 297     wxRadioButton *current;
 298
 299     if ((item < 0) || (item >= m_noItems))
 300         return;
 301     i=0;
 302     current=m_radioButtonCycle;
 303     while (i!=item) {
 304         i++;
 305         current=current->NextInCycle();
 306     }
 307     current->SetValue(true);
 308
 309 }
 310
 311 //-------------------------------------------------------------------------------------
 312 //         ¥ Show(bool)
 313 //-------------------------------------------------------------------------------------
 314 // Shows or hides the entire radiobox
 315
 316 bool wxRadioBox::Show(bool show)
 317 {
 318     int i;
 319     wxRadioButton *current;
 320
 321     wxControl::Show(show);
 322
 323     current=m_radioButtonCycle;
 324        for (i=0;i<m_noItems;i++) {
 325         current->Show(show);
 326         current=current->NextInCycle();
 327     }
 328     return true;
 329 }
 330
 331 //-------------------------------------------------------------------------------------
 332 //         ¥ Show(int, bool)
 333 //-------------------------------------------------------------------------------------
 334 // Shows or hides the given button
 335
 336 void wxRadioBox::Show(int item, bool show)
 337 {
 338        int i;
 339     wxRadioButton *current;
 340
 341     if ((item < 0) || (item >= m_noItems))
 342         return;
 343     i=0;
 344     current=m_radioButtonCycle;
 345     while (i!=item) {
 346         i++;
 347         current=current->NextInCycle();
 348     }
 349     current->Show(show);
 350 }
 351
 352 #pragma mark -
 353 #pragma mark ### Other external functions ###
 354
 355 //-------------------------------------------------------------------------------------
 356 //         ¥ Command
 357 //-------------------------------------------------------------------------------------
 358 // Simulates the effect of the user issuing a command to the item
 359
 360 void wxRadioBox::Command (wxCommandEvent & event)
 361 {
 362     SetSelection (event.GetInt());
 363     ProcessCommand (event);
 364 }
 365
 366 //-------------------------------------------------------------------------------------
 367 //         ¥ SetFocus
 368 //-------------------------------------------------------------------------------------
 369 // Sets the selected button to receive keyboard input
 370
 371 void wxRadioBox::SetFocus()
 372 {
 373     int i;
 374     wxRadioButton *current;
 375
 376     i=0;
 377     current=m_radioButtonCycle;
 378     while (!current->GetValue()) {
 379         i++;
 380         current=current->NextInCycle();
 381     }
 382     current->SetFocus();
 383 }
 384
 385
 386 #pragma mark -
 387 #pragma mark ### Internal functions ###
 388
 389 //-------------------------------------------------------------------------------------
 390 //         ¥ DoSetSize
 391 //-------------------------------------------------------------------------------------
 392 // Simulates the effect of the user issuing a command to the item
 393
 394 #define RADIO_SIZE 20
 395
 396 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 397 {
 398     int i;
 399     wxRadioButton *current;
 400
 401     // define the position
 402
 403     int x_current, y_current;
 404     int x_offset,y_offset;
 405     int widthOld, heightOld;
 406     GetSize(&widthOld, &heightOld);
 407
 408     x_offset = x;
 409     y_offset = y;
 410     GetPosition(&x_current, &y_current);
 411     if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 412         x_offset = x_current;
 413     if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 414         y_offset = y_current;
 415
 416     // define size
 417
 418     int charWidth,charHeight;
 419     int maxWidth,maxHeight;
 420     int eachWidth[128],eachHeight[128];
 421     int totWidth,totHeight;
 422
 423     SetFont(GetParent()->GetFont());
 424     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 425     charWidth/=52;
 426
 427     maxWidth=-1;
 428     maxHeight=-1;
 429     for (i = 0 ; i < m_noItems; i++)
 430     {
 431         GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i]);
 432         eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 433         eachHeight[i] = (int)((3*eachHeight[i])/2);
 434         if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 435         if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 436           }
 437
 438     totHeight = GetRowCount() * (maxHeight + charHeight/2) + charHeight ;
 439     totWidth  = GetColumnCount() * (maxWidth + charWidth) + charWidth;
 440
 441     // only change our width/height if asked for
 442     if ( width == -1 )
 443     {
 444         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 445             width = totWidth ;
 446         else
 447             width = widthOld;
 448     }
 449
 450     if ( height == -1 )
 451     {
 452         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 453             height = totHeight ;
 454         else
 455             height = heightOld;
 456     }
 457
 458     wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 459
 460     // arrange radiobuttons
 461
 462     int x_start,y_start;
 463
 464
 465     x_start = charWidth;
 466     y_start = 15 ;
 467     x_offset = x_start;
 468     y_offset = y_start;
 469
 470     current=m_radioButtonCycle;
 471     for ( i = 0 ; i < m_noItems; i++)
 472     {
 473         if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 474         {
 475             if (m_windowStyle & wxRA_VERTICAL)
 476             {
 477                 x_offset += maxWidth + charWidth;
 478                 y_offset = y_start;
 479             }
 480             else
 481             {
 482                 x_offset = x_start;
 483                 y_offset += maxHeight ; /*+ charHeight/2;*/
 484             }
 485         }
 486
 487         current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 488         current=current->NextInCycle();
 489
 490         if (m_windowStyle & wxRA_SPECIFY_ROWS)
 491             y_offset += maxHeight ; /*+ charHeight/2;*/
 492         else
 493             x_offset += maxWidth + charWidth;
 494     }
 495 }
 496
 497 wxSize wxRadioBox::DoGetBestSize() const
 498 {
 499     int charWidth, charHeight;
 500     int maxWidth, maxHeight;
 501     int eachWidth, eachHeight;
 502     int totWidth, totHeight;
 503
 504     wxFont font = GetParent()->GetFont();
 505     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
 506         &charWidth, &charHeight, NULL, NULL, &font);
 507     charWidth /= 52;
 508
 509     maxWidth = -1;
 510     maxHeight = -1;
 511
 512     for (int i = 0 ; i < m_noItems; i++)
 513     {
 514         GetTextExtent(GetString(i), &eachWidth, &eachHeight);
 515         eachWidth  = (int)(eachWidth + RADIO_SIZE) ;
 516         eachHeight = (int)((3 * eachHeight) / 2);
 517         if (maxWidth < eachWidth)     maxWidth = eachWidth;
 518         if (maxHeight < eachHeight)   maxHeight = eachHeight;
 519     }
 520
 521     totHeight = GetRowCount() * (maxHeight + charHeight/2) + charHeight ;
 522     totWidth  = GetColumnCount() * (maxWidth + charWidth) + charWidth;
 523
 524     // handle radio box title as well
 525     GetTextExtent(GetTitle(), &eachWidth, NULL);
 526     eachWidth  = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth ;
 527     if (totWidth < eachWidth)
 528         totWidth = eachWidth;
 529
 530     return wxSize(totWidth, totHeight);
 531 }
 532 //-------------------------------------------------------------------------------------
 533 //         ¥ GetNumVer
 534 //-------------------------------------------------------------------------------------
 535 // return the number of buttons in the vertical direction
 536
 537 int wxRadioBox::GetRowCount() const
 538 {
 539     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 540     {
 541         return m_majorDim;
 542     }
 543     else
 544     {
 545         return (m_noItems + m_majorDim - 1)/m_majorDim;
 546     }
 547 }
 548
 549 //-------------------------------------------------------------------------------------
 550 //         ¥ GetNumHor
 551 //-------------------------------------------------------------------------------------
 552 // return the number of buttons in the horizontal direction
 553
 554 int wxRadioBox::GetColumnCount() const
 555 {
 556     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 557     {
 558         return (m_noItems + m_majorDim - 1)/m_majorDim;
 559     }
 560     else
 561     {
 562         return m_majorDim;
 563     }
 564 }
 565
 566
 567
 568
 569