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_macControl = (WXWidget) ::NewControl( MAC_WXHWND(parent->MacGetTopLevelWindowRef()) , &bounds , "\p" , true , 0 , 0 , 1,
 141         kControlGroupBoxTextTitleProc , (long) this ) ;
 142
 143     for (i = 0; i < n; i++)
 144     {
 145         wxRadioButton *radBtn = new wxRadioButton
 146                                     (
 147                                         this,
 148                                         wxID_ANY,
 149                                         wxStripMenuCodes(choices[i]),
 150                                         wxPoint(5,20*i+10),
 151                                         wxDefaultSize,
 152                                         i == 0 ? wxRB_GROUP : 0
 153                                     );
 154         if ( i == 0 )
 155             m_radioButtonCycle = radBtn ;
 156         //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 157     }
 158
 159     SetSelection(0);
 160     MacPostControlCreate(pos,size) ;
 161
 162     return TRUE;
 163 }
 164
 165
 166 //-------------------------------------------------------------------------------------
 167 //         ¥ Enable(bool)
 168 //-------------------------------------------------------------------------------------
 169 // Enables or disables the entire radiobox
 170
 171 bool wxRadioBox::Enable(bool enable)
 172 {
 173     int i;
 174     wxRadioButton *current;
 175
 176     if (!wxControl::Enable(enable))
 177         return false;
 178
 179     current = m_radioButtonCycle;
 180     for (i = 0; i < m_noItems; i++) {
 181         current->Enable(enable);
 182         current = current->NextInCycle();
 183     }
 184     return true;
 185 }
 186
 187 //-------------------------------------------------------------------------------------
 188 //         ¥ Enable(int, bool)
 189 //-------------------------------------------------------------------------------------
 190 // Enables or disables an given button
 191
 192 void wxRadioBox::Enable(int item, bool enable)
 193 {
 194     int i;
 195     wxRadioButton *current;
 196
 197     if ((item < 0) || (item >= m_noItems))
 198         return;
 199
 200     i = 0;
 201     current = m_radioButtonCycle;
 202     while (i != item) {
 203         i++;
 204         current = current->NextInCycle();
 205     }
 206     current->Enable(enable);
 207 }
 208
 209 //-------------------------------------------------------------------------------------
 210 //         ¥ GetLabel()
 211 //-------------------------------------------------------------------------------------
 212 // Returns the radiobox label
 213
 214 wxString wxRadioBox::GetLabel() const
 215 {
 216     return wxControl::GetLabel();
 217 }
 218
 219 //-------------------------------------------------------------------------------------
 220 //         ¥ GetLabel(int)
 221 //-------------------------------------------------------------------------------------
 222 // Returns the label for the given button
 223
 224 wxString wxRadioBox::GetString(int item) const
 225 {
 226     int i;
 227     wxRadioButton *current;
 228
 229     if ((item < 0) || (item >= m_noItems))
 230         return wxEmptyString;
 231
 232     i = 0;
 233     current = m_radioButtonCycle;
 234     while (i != item) {
 235         i++;
 236         current = current->NextInCycle();
 237     }
 238     return current->GetLabel();
 239 }
 240
 241 //-------------------------------------------------------------------------------------
 242 //         ¥ GetSelection
 243 //-------------------------------------------------------------------------------------
 244 // Returns the zero-based position of the selected button
 245
 246 int wxRadioBox::GetSelection() const
 247 {
 248     int i;
 249     wxRadioButton *current;
 250
 251     i=0;
 252     current=m_radioButtonCycle;
 253     while (!current->GetValue()) {
 254         i++;
 255         current=current->NextInCycle();
 256     }
 257
 258     return i;
 259 }
 260
 261 //-------------------------------------------------------------------------------------
 262 //         ¥ Number
 263 //-------------------------------------------------------------------------------------
 264 // Returns the number of buttons in the radiobox
 265 //
 266 // inline defined
 267 //
 268
 269 //-------------------------------------------------------------------------------------
 270 //         ¥ SetLabel(const wxString&)
 271 //-------------------------------------------------------------------------------------
 272 // Sets the radiobox label
 273
 274 void wxRadioBox::SetLabel(const wxString& label)
 275 {
 276     return wxControl::SetLabel(label);
 277 }
 278
 279 //-------------------------------------------------------------------------------------
 280 //         ¥ SetLabel(int, const wxString&)
 281 //-------------------------------------------------------------------------------------
 282 // Sets the label of a given button
 283
 284 void wxRadioBox::SetString(int item,const wxString& label)
 285 {
 286        int i;
 287     wxRadioButton *current;
 288
 289     if ((item < 0) || (item >= m_noItems))
 290         return;
 291     i=0;
 292     current=m_radioButtonCycle;
 293     while (i!=item) {
 294         i++;
 295         current=current->NextInCycle();
 296     }
 297     return current->SetLabel(label);
 298 }
 299
 300 //-------------------------------------------------------------------------------------
 301 //         ¥ SetSelection
 302 //-------------------------------------------------------------------------------------
 303 // Sets a button by passing the desired position. This does not cause
 304 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 305
 306 void wxRadioBox::SetSelection(int item)
 307 {
 308     int i;
 309     wxRadioButton *current;
 310
 311     if ((item < 0) || (item >= m_noItems))
 312         return;
 313     i=0;
 314     current=m_radioButtonCycle;
 315     while (i!=item) {
 316         i++;
 317         current=current->NextInCycle();
 318     }
 319     current->SetValue(true);
 320
 321 }
 322
 323 //-------------------------------------------------------------------------------------
 324 //         ¥ Show(bool)
 325 //-------------------------------------------------------------------------------------
 326 // Shows or hides the entire radiobox
 327
 328 bool wxRadioBox::Show(bool show)
 329 {
 330     int i;
 331     wxRadioButton *current;
 332
 333     wxControl::Show(show);
 334
 335     current=m_radioButtonCycle;
 336        for (i=0;i<m_noItems;i++) {
 337         current->Show(show);
 338         current=current->NextInCycle();
 339     }
 340     return true;
 341 }
 342
 343 //-------------------------------------------------------------------------------------
 344 //         ¥ Show(int, bool)
 345 //-------------------------------------------------------------------------------------
 346 // Shows or hides the given button
 347
 348 void wxRadioBox::Show(int item, bool show)
 349 {
 350        int i;
 351     wxRadioButton *current;
 352
 353     if ((item < 0) || (item >= m_noItems))
 354         return;
 355     i=0;
 356     current=m_radioButtonCycle;
 357     while (i!=item) {
 358         i++;
 359         current=current->NextInCycle();
 360     }
 361     current->Show(show);
 362 }
 363
 364 //-------------------------------------------------------------------------------------
 365 //         ¥ Command
 366 //-------------------------------------------------------------------------------------
 367 // Simulates the effect of the user issuing a command to the item
 368
 369 void wxRadioBox::Command (wxCommandEvent & event)
 370 {
 371     SetSelection (event.GetInt());
 372     ProcessCommand (event);
 373 }
 374
 375 //-------------------------------------------------------------------------------------
 376 //         ¥ SetFocus
 377 //-------------------------------------------------------------------------------------
 378 // Sets the selected button to receive keyboard input
 379
 380 void wxRadioBox::SetFocus()
 381 {
 382     int i;
 383     wxRadioButton *current;
 384
 385     i=0;
 386     current=m_radioButtonCycle;
 387     while (!current->GetValue()) {
 388         i++;
 389         current=current->NextInCycle();
 390     }
 391     current->SetFocus();
 392 }
 393
 394
 395 //-------------------------------------------------------------------------------------
 396 //         ¥ DoSetSize
 397 //-------------------------------------------------------------------------------------
 398 // Simulates the effect of the user issuing a command to the item
 399
 400 #define RADIO_SIZE 20
 401
 402 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 403 {
 404     int i;
 405     wxRadioButton *current;
 406
 407     // define the position
 408
 409     int x_current, y_current;
 410     int x_offset,y_offset;
 411     int widthOld, heightOld;
 412     GetSize(&widthOld, &heightOld);
 413
 414     x_offset = x;
 415     y_offset = y;
 416     GetPosition(&x_current, &y_current);
 417     if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 418         x_offset = x_current;
 419     if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 420         y_offset = y_current;
 421
 422     // define size
 423
 424     int charWidth,charHeight;
 425     int maxWidth,maxHeight;
 426     int eachWidth[128],eachHeight[128];
 427     int totWidth,totHeight;
 428
 429     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 430
 431     charWidth/=52;
 432
 433     maxWidth=-1;
 434     maxHeight=-1;
 435     for (i = 0 ; i < m_noItems; i++)
 436     {
 437         GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i]);
 438         eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 439         eachHeight[i] = (int)((3*eachHeight[i])/2);
 440         if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 441         if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 442           }
 443
 444     totHeight = GetRowCount() * ( maxHeight ) ;
 445     totWidth  = GetColumnCount() * (maxWidth + charWidth) ;
 446
 447     wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth , totHeight ) ) ;
 448
 449     // only change our width/height if asked for
 450     if ( width == -1 )
 451     {
 452         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 453             width = sz.x ;
 454         else
 455             width = widthOld;
 456     }
 457
 458     if ( height == -1 )
 459     {
 460         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 461             height = sz.y ;
 462         else
 463             height = heightOld;
 464     }
 465
 466     wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 467
 468     // arrange radiobuttons
 469
 470     int x_start,y_start;
 471
 472
 473     x_start = 0;
 474     y_start = 0 ;
 475
 476     x_offset = x_start;
 477     y_offset = y_start;
 478
 479     current=m_radioButtonCycle;
 480     for ( i = 0 ; i < m_noItems; i++)
 481     {
 482         if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 483         {
 484             if (m_windowStyle & wxRA_VERTICAL)
 485             {
 486                 x_offset += maxWidth + charWidth;
 487                 y_offset = y_start;
 488             }
 489             else
 490             {
 491                 x_offset = x_start;
 492                 y_offset += maxHeight ; /*+ charHeight/2;*/
 493             }
 494         }
 495
 496         current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 497         current=current->NextInCycle();
 498
 499         if (m_windowStyle & wxRA_SPECIFY_ROWS)
 500             y_offset += maxHeight ; /*+ charHeight/2;*/
 501         else
 502             x_offset += maxWidth + charWidth;
 503     }
 504 }
 505
 506 wxSize wxRadioBox::DoGetBestSize() const
 507 {
 508     int charWidth, charHeight;
 509     int maxWidth, maxHeight;
 510     int eachWidth, eachHeight;
 511     int totWidth, totHeight;
 512
 513     wxFont font = GetParent()->GetFont();
 514     GetTextExtent(wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
 515         &charWidth, &charHeight, NULL, NULL, &font);
 516
 517     charWidth /= 52;
 518
 519     maxWidth = -1;
 520     maxHeight = -1;
 521
 522     for (int i = 0 ; i < m_noItems; i++)
 523     {
 524         GetTextExtent(GetString(i), &eachWidth, &eachHeight,NULL, NULL, &font);
 525         eachWidth  = (int)(eachWidth + RADIO_SIZE) ;
 526         eachHeight = (int)((3 * eachHeight) / 2);
 527         if (maxWidth < eachWidth)     maxWidth = eachWidth;
 528         if (maxHeight < eachHeight)   maxHeight = eachHeight;
 529     }
 530
 531     totHeight = GetRowCount() * (maxHeight ) ;
 532     totWidth  = GetColumnCount() * (maxWidth + charWidth) ;
 533
 534     wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth , totHeight ) ) ;
 535     totWidth = sz.x ;
 536     totHeight = sz.y ;
 537
 538     // handle radio box title as well
 539     GetTextExtent(GetTitle(), &eachWidth, NULL);
 540     eachWidth  = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth ;
 541     if (totWidth < eachWidth)
 542         totWidth = eachWidth;
 543
 544     return wxSize(totWidth, totHeight);
 545 }
 546 //-------------------------------------------------------------------------------------
 547 //         ¥ GetNumVer
 548 //-------------------------------------------------------------------------------------
 549 // return the number of buttons in the vertical direction
 550
 551 int wxRadioBox::GetRowCount() const
 552 {
 553     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 554     {
 555         return m_majorDim;
 556     }
 557     else
 558     {
 559         return (m_noItems + m_majorDim - 1)/m_majorDim;
 560     }
 561 }
 562
 563 //-------------------------------------------------------------------------------------
 564 //         ¥ GetNumHor
 565 //-------------------------------------------------------------------------------------
 566 // return the number of buttons in the horizontal direction
 567
 568 int wxRadioBox::GetColumnCount() const
 569 {
 570     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 571     {
 572         return (m_noItems + m_majorDim - 1)/m_majorDim;
 573     }
 574     else
 575     {
 576         return m_majorDim;
 577     }
 578 }
 579
 580
 581
 582
 583