src/mac/carbon/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 #include "wx/arrstr.h"
  23
  24 #include "wx/radiobox.h"
  25 #include "wx/radiobut.h"
  26 #include "wx/mac/uma.h"
  27
  28 #if !USE_SHARED_LIBRARY
  29 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  30 #endif
  31
  32 //-------------------------------------------------------------------------------------
  33 //         ¥ wxRadioBox()
  34 //-------------------------------------------------------------------------------------
  35 // Default constructor
  36 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  37 EVT_RADIOBUTTON( -1 , wxRadioBox::OnRadioButton )
  38 END_EVENT_TABLE()
  39
  40 void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
  41 {
  42     if ( outer.IsChecked() )
  43     {
  44         wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
  45         int i = GetSelection() ;
  46         event.SetInt( i );
  47         event.SetString( GetString( i ) );
  48         event.SetEventObject( this );
  49         ProcessCommand(event);
  50     }
  51 }
  52
  53 wxRadioBox::wxRadioBox()
  54 {
  55     m_noItems = 0;
  56     m_noRowsOrCols = 0;
  57     m_majorDim = 0 ;
  58     m_radioButtonCycle = NULL;
  59 }
  60
  61 //-------------------------------------------------------------------------------------
  62 //         ¥ wxRadioBox(wxWindow*, wxWindowID, const wxString&, const wxPoint&,
  63 //                        const wxSize&, int, const wxString[], int, long,
  64 //                        const wxValidator&, const wxString&)
  65 //-------------------------------------------------------------------------------------
  66 // Contructor, creating and showing a radiobox
  67 //
  68 // inline defined
  69 //
  70
  71 //-------------------------------------------------------------------------------------
  72 //         ¥ ~wxRadioBox
  73 //-------------------------------------------------------------------------------------
  74 // Destructor, destroying the radiobox item
  75
  76 wxRadioBox::~wxRadioBox()
  77 {
  78     m_isBeingDeleted = TRUE;
  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                         const wxArrayString& choices,
 100                         int majorDim, long style,
 101                         const wxValidator& val, const wxString& name)
 102 {
 103     wxCArrayString chs(choices);
 104
 105     return Create(parent, id, label, pos, size, chs.GetCount(),
 106                   chs.GetStrings(), majorDim, style, val, name);
 107 }
 108
 109 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
 110                         const wxPoint& pos, const wxSize& size,
 111                         int n, const wxString choices[],
 112                         int majorDim, long style,
 113                         const wxValidator& val, const wxString& name)
 114 {
 115     m_macIsUserPane = FALSE ;
 116
 117     if ( !wxControl::Create(parent, id, pos, size, style, val, name) )
 118         return false;
 119
 120     int i;
 121
 122     m_noItems = n;
 123     m_noRowsOrCols = majorDim;
 124     m_radioButtonCycle = NULL;
 125
 126     if (majorDim==0)
 127         m_majorDim = n ;
 128     else
 129         m_majorDim = majorDim ;
 130
 131
 132     m_label = label ;
 133
 134     Rect bounds = wxMacGetBoundsForControl( this , pos , size ) ;
 135     if( bounds.right <= bounds.left )
 136         bounds.right = bounds.left + 100 ;
 137     if ( bounds.bottom <= bounds.top )
 138         bounds.bottom = bounds.top + 100 ;
 139
 140     m_peer = new wxMacControl() ;
 141
 142     verify_noerr(CreateGroupBoxControl(MAC_WXHWND(parent->MacGetTopLevelWindowRef()),&bounds, CFSTR("") ,
 143         true /*primary*/ , *m_peer ) ) ;
 144
 145     for (i = 0; i < n; i++)
 146     {
 147         wxRadioButton *radBtn = new wxRadioButton
 148                                     (
 149                                         this,
 150                                         wxID_ANY,
 151                                         wxStripMenuCodes(choices[i]),
 152                                         wxPoint(5,20*i+10),
 153                                         wxDefaultSize,
 154                                         i == 0 ? wxRB_GROUP : 0
 155                                     );
 156         if ( i == 0 )
 157             m_radioButtonCycle = radBtn ;
 158         //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 159     }
 160
 161     SetSelection(0);
 162     MacPostControlCreate(pos,size) ;
 163
 164     return TRUE;
 165 }
 166
 167
 168 //-------------------------------------------------------------------------------------
 169 //         ¥ Enable(bool)
 170 //-------------------------------------------------------------------------------------
 171 // Enables or disables the entire radiobox
 172
 173 bool wxRadioBox::Enable(bool enable)
 174 {
 175     int i;
 176     wxRadioButton *current;
 177
 178     if (!wxControl::Enable(enable))
 179         return false;
 180
 181     current = m_radioButtonCycle;
 182     for (i = 0; i < m_noItems; i++) {
 183         current->Enable(enable);
 184         current = current->NextInCycle();
 185     }
 186     return true;
 187 }
 188
 189 //-------------------------------------------------------------------------------------
 190 //         ¥ Enable(int, bool)
 191 //-------------------------------------------------------------------------------------
 192 // Enables or disables an given button
 193
 194 void wxRadioBox::Enable(int item, bool enable)
 195 {
 196     int i;
 197     wxRadioButton *current;
 198
 199     if ((item < 0) || (item >= m_noItems))
 200         return;
 201
 202     i = 0;
 203     current = m_radioButtonCycle;
 204     while (i != item) {
 205         i++;
 206         current = current->NextInCycle();
 207     }
 208     current->Enable(enable);
 209 }
 210
 211 //-------------------------------------------------------------------------------------
 212 //         ¥ GetLabel()
 213 //-------------------------------------------------------------------------------------
 214 // Returns the radiobox label
 215
 216 wxString wxRadioBox::GetLabel() const
 217 {
 218     return wxControl::GetLabel();
 219 }
 220
 221 //-------------------------------------------------------------------------------------
 222 //         ¥ GetLabel(int)
 223 //-------------------------------------------------------------------------------------
 224 // Returns the label for the given button
 225
 226 wxString wxRadioBox::GetString(int item) const
 227 {
 228     int i;
 229     wxRadioButton *current;
 230
 231     if ((item < 0) || (item >= m_noItems))
 232         return wxEmptyString;
 233
 234     i = 0;
 235     current = m_radioButtonCycle;
 236     while (i != item) {
 237         i++;
 238         current = current->NextInCycle();
 239     }
 240     return current->GetLabel();
 241 }
 242
 243 //-------------------------------------------------------------------------------------
 244 //         ¥ GetSelection
 245 //-------------------------------------------------------------------------------------
 246 // Returns the zero-based position of the selected button
 247
 248 int wxRadioBox::GetSelection() const
 249 {
 250     int i;
 251     wxRadioButton *current;
 252
 253     i=0;
 254     current=m_radioButtonCycle;
 255     while (!current->GetValue()) {
 256         i++;
 257         current=current->NextInCycle();
 258     }
 259
 260     return i;
 261 }
 262
 263 //-------------------------------------------------------------------------------------
 264 //         ¥ Number
 265 //-------------------------------------------------------------------------------------
 266 // Returns the number of buttons in the radiobox
 267 //
 268 // inline defined
 269 //
 270
 271 //-------------------------------------------------------------------------------------
 272 //         ¥ SetLabel(const wxString&)
 273 //-------------------------------------------------------------------------------------
 274 // Sets the radiobox label
 275
 276 void wxRadioBox::SetLabel(const wxString& label)
 277 {
 278     return wxControl::SetLabel(label);
 279 }
 280
 281 //-------------------------------------------------------------------------------------
 282 //         ¥ SetLabel(int, const wxString&)
 283 //-------------------------------------------------------------------------------------
 284 // Sets the label of a given button
 285
 286 void wxRadioBox::SetString(int item,const wxString& label)
 287 {
 288        int i;
 289     wxRadioButton *current;
 290
 291     if ((item < 0) || (item >= m_noItems))
 292         return;
 293     i=0;
 294     current=m_radioButtonCycle;
 295     while (i!=item) {
 296         i++;
 297         current=current->NextInCycle();
 298     }
 299     return current->SetLabel(label);
 300 }
 301
 302 //-------------------------------------------------------------------------------------
 303 //         ¥ SetSelection
 304 //-------------------------------------------------------------------------------------
 305 // Sets a button by passing the desired position. This does not cause
 306 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 307
 308 void wxRadioBox::SetSelection(int item)
 309 {
 310     int i;
 311     wxRadioButton *current;
 312
 313     if ((item < 0) || (item >= m_noItems))
 314         return;
 315     i=0;
 316     current=m_radioButtonCycle;
 317     while (i!=item) {
 318         i++;
 319         current=current->NextInCycle();
 320     }
 321     current->SetValue(true);
 322
 323 }
 324
 325 //-------------------------------------------------------------------------------------
 326 //         ¥ Show(bool)
 327 //-------------------------------------------------------------------------------------
 328 // Shows or hides the entire radiobox
 329
 330 bool wxRadioBox::Show(bool show)
 331 {
 332     int i;
 333     wxRadioButton *current;
 334
 335     wxControl::Show(show);
 336
 337     current=m_radioButtonCycle;
 338        for (i=0;i<m_noItems;i++) {
 339         current->Show(show);
 340         current=current->NextInCycle();
 341     }
 342     return true;
 343 }
 344
 345 //-------------------------------------------------------------------------------------
 346 //         ¥ Show(int, bool)
 347 //-------------------------------------------------------------------------------------
 348 // Shows or hides the given button
 349
 350 void wxRadioBox::Show(int item, bool show)
 351 {
 352        int i;
 353     wxRadioButton *current;
 354
 355     if ((item < 0) || (item >= m_noItems))
 356         return;
 357     i=0;
 358     current=m_radioButtonCycle;
 359     while (i!=item) {
 360         i++;
 361         current=current->NextInCycle();
 362     }
 363     current->Show(show);
 364 }
 365
 366 //-------------------------------------------------------------------------------------
 367 //         ¥ Command
 368 //-------------------------------------------------------------------------------------
 369 // Simulates the effect of the user issuing a command to the item
 370
 371 void wxRadioBox::Command (wxCommandEvent & event)
 372 {
 373     SetSelection (event.GetInt());
 374     ProcessCommand (event);
 375 }
 376
 377 //-------------------------------------------------------------------------------------
 378 //         ¥ SetFocus
 379 //-------------------------------------------------------------------------------------
 380 // Sets the selected button to receive keyboard input
 381
 382 void wxRadioBox::SetFocus()
 383 {
 384     int i;
 385     wxRadioButton *current;
 386
 387     i=0;
 388     current=m_radioButtonCycle;
 389     while (!current->GetValue()) {
 390         i++;
 391         current=current->NextInCycle();
 392     }
 393     current->SetFocus();
 394 }
 395
 396
 397 //-------------------------------------------------------------------------------------
 398 //         ¥ DoSetSize
 399 //-------------------------------------------------------------------------------------
 400 // Simulates the effect of the user issuing a command to the item
 401
 402 #define RADIO_SIZE 20
 403
 404 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 405 {
 406     int i;
 407     wxRadioButton *current;
 408
 409     // define the position
 410
 411     int x_current, y_current;
 412     int x_offset,y_offset;
 413     int widthOld, heightOld;
 414     GetSize(&widthOld, &heightOld);
 415
 416     x_offset = x;
 417     y_offset = y;
 418     GetPosition(&x_current, &y_current);
 419     if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 420         x_offset = x_current;
 421     if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 422         y_offset = y_current;
 423
 424     // define size
 425
 426     int charWidth,charHeight;
 427     int maxWidth,maxHeight;
 428     int eachWidth[128],eachHeight[128];
 429     int totWidth,totHeight;
 430
 431     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 432
 433     charWidth/=52;
 434
 435     maxWidth=-1;
 436     maxHeight=-1;
 437     for (i = 0 ; i < m_noItems; i++)
 438     {
 439         GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i]);
 440         eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 441         eachHeight[i] = (int)((3*eachHeight[i])/2);
 442         if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 443         if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 444           }
 445
 446     totHeight = GetRowCount() * ( maxHeight ) ;
 447     totWidth  = GetColumnCount() * (maxWidth + charWidth) ;
 448
 449     wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth , totHeight ) ) ;
 450
 451     // only change our width/height if asked for
 452     if ( width == -1 )
 453     {
 454         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 455             width = sz.x ;
 456         else
 457             width = widthOld;
 458     }
 459
 460     if ( height == -1 )
 461     {
 462         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 463             height = sz.y ;
 464         else
 465             height = heightOld;
 466     }
 467
 468     wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 469
 470     // arrange radiobuttons
 471
 472     int x_start,y_start;
 473
 474
 475     x_start = 0;
 476     y_start = 0 ;
 477
 478     x_offset = x_start;
 479     y_offset = y_start;
 480
 481     current=m_radioButtonCycle;
 482     for ( i = 0 ; i < m_noItems; i++)
 483     {
 484         if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 485         {
 486             if (m_windowStyle & wxRA_VERTICAL)
 487             {
 488                 x_offset += maxWidth + charWidth;
 489                 y_offset = y_start;
 490             }
 491             else
 492             {
 493                 x_offset = x_start;
 494                 y_offset += maxHeight ; /*+ charHeight/2;*/
 495             }
 496         }
 497
 498         current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 499         current=current->NextInCycle();
 500
 501         if (m_windowStyle & wxRA_SPECIFY_ROWS)
 502             y_offset += maxHeight ; /*+ charHeight/2;*/
 503         else
 504             x_offset += maxWidth + charWidth;
 505     }
 506 }
 507
 508 wxSize wxRadioBox::DoGetBestSize() const
 509 {
 510     int charWidth, charHeight;
 511     int maxWidth, maxHeight;
 512     int eachWidth, eachHeight;
 513     int totWidth, totHeight;
 514
 515     wxFont font = GetParent()->GetFont();
 516     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
 517         &charWidth, &charHeight, NULL, NULL, &font);
 518
 519     charWidth /= 52;
 520
 521     maxWidth = -1;
 522     maxHeight = -1;
 523
 524     for (int i = 0 ; i < m_noItems; i++)
 525     {
 526         GetTextExtent(GetString(i), &eachWidth, &eachHeight,NULL, NULL, &font);
 527         eachWidth  = (int)(eachWidth + RADIO_SIZE) ;
 528         eachHeight = (int)((3 * eachHeight) / 2);
 529         if (maxWidth < eachWidth)     maxWidth = eachWidth;
 530         if (maxHeight < eachHeight)   maxHeight = eachHeight;
 531     }
 532
 533     totHeight = GetRowCount() * (maxHeight ) ;
 534     totWidth  = GetColumnCount() * (maxWidth + charWidth) ;
 535
 536     wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth , totHeight ) ) ;
 537     totWidth = sz.x ;
 538     totHeight = sz.y ;
 539
 540     // handle radio box title as well
 541     GetTextExtent(GetTitle(), &eachWidth, NULL);
 542     eachWidth  = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth ;
 543     if (totWidth < eachWidth)
 544         totWidth = eachWidth;
 545
 546     return wxSize(totWidth, totHeight);
 547 }
 548 //-------------------------------------------------------------------------------------
 549 //         ¥ GetNumVer
 550 //-------------------------------------------------------------------------------------
 551 // return the number of buttons in the vertical direction
 552
 553 int wxRadioBox::GetRowCount() const
 554 {
 555     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 556     {
 557         return m_majorDim;
 558     }
 559     else
 560     {
 561         return (m_noItems + m_majorDim - 1)/m_majorDim;
 562     }
 563 }
 564
 565 //-------------------------------------------------------------------------------------
 566 //         ¥ GetNumHor
 567 //-------------------------------------------------------------------------------------
 568 // return the number of buttons in the horizontal direction
 569
 570 int wxRadioBox::GetColumnCount() const
 571 {
 572     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 573     {
 574         return (m_noItems + m_majorDim - 1)/m_majorDim;
 575     }
 576     else
 577     {
 578         return m_majorDim;
 579     }
 580 }
 581
 582
 583
 584
 585