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 "radiobox.h"
  18 #endif
  19
  20 #include "wx/defs.h"
  21
  22 #include "wx/radiobox.h"
  23 #include "wx/radiobut.h"
  24 #include "wx/mac/uma.h"
  25
  26 #if !USE_SHARED_LIBRARY
  27 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  28 #endif
  29
  30 #pragma mark -
  31 #pragma mark ### Constructors & destructor ###
  32
  33 //-------------------------------------------------------------------------------------
  34 //              ¥ wxRadioBox()
  35 //-------------------------------------------------------------------------------------
  36 // Default constructor
  37 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  38 EVT_RADIOBUTTON( -1 , wxRadioBox::OnRadioButton )
  39 END_EVENT_TABLE()
  40
  41 void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
  42 {
  43   if ( outer.IsChecked() )
  44   {
  45     wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
  46     int i = GetSelection() ;
  47     event.SetInt( i );
  48     event.SetString( GetString( i ) );
  49     event.SetEventObject( this );
  50     ProcessCommand(event);
  51   }
  52 }
  53
  54 wxRadioBox::wxRadioBox()
  55 {
  56     m_noItems = 0;
  57     m_noRowsOrCols = 0;
  58     m_majorDim = 0 ;
  59     m_radioButtonCycle = NULL;
  60 }
  61
  62 //-------------------------------------------------------------------------------------
  63 //              ¥ wxRadioBox(wxWindow*, wxWindowID, const wxString&, const wxPoint&,
  64 //                                              const wxSize&, int, const wxString[], int, long,
  65 //                                              const wxValidator&, const wxString&)
  66 //-------------------------------------------------------------------------------------
  67 // Contructor, creating and showing a radiobox
  68 //
  69 // inline defined
  70 //
  71
  72 //-------------------------------------------------------------------------------------
  73 //              ¥ ~wxRadioBox
  74 //-------------------------------------------------------------------------------------
  75 // Destructor, destroying the radiobox item
  76
  77 wxRadioBox::~wxRadioBox()
  78 {
  79         wxRadioButton *next,*current;
  80
  81     current=m_radioButtonCycle->NextInCycle();
  82     next=current->NextInCycle();
  83     while (current!=m_radioButtonCycle) {
  84         delete current;
  85         current=next;
  86         next=current->NextInCycle();
  87         }
  88     delete current;
  89 }
  90
  91 //-------------------------------------------------------------------------------------
  92 //              ¥ Create
  93 //-------------------------------------------------------------------------------------
  94 // Create the radiobox for two-step construction
  95
  96 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  97              const wxPoint& pos, const wxSize& size,
  98              int n, const wxString choices[],
  99              int majorDim, long style,
 100              const wxValidator& val, const wxString& name)
 101 {
 102     int i;
 103
 104     m_noItems = n;
 105     m_noRowsOrCols = majorDim;
 106     m_radioButtonCycle = NULL;
 107
 108     if (majorDim==0)
 109         m_majorDim = n ;
 110     else
 111         m_majorDim = majorDim ;
 112
 113
 114         Rect bounds ;
 115         Str255 title ;
 116
 117         MacPreControlCreate( parent , id ,  label , pos , size ,style, val , name , &bounds , title ) ;
 118
 119         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , 0 , 1,
 120                 kControlGroupBoxTextTitleProc , (long) this ) ;
 121
 122         MacPostControlCreate() ;
 123
 124     for (i = 0; i < n; i++)
 125     {
 126         wxRadioButton *radBtn = new wxRadioButton(this, NewControlId(),choices[i],wxPoint(5,20*i+10),
 127           wxDefaultSize , i == 0 ? wxRB_GROUP : 0 ) ;
 128         if ( i == 0 )
 129           m_radioButtonCycle = radBtn ;
 130 //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 131     }
 132
 133         SetSelection(0);
 134         SetSize(pos.x,pos.y,size.x,size.y);
 135
 136   return TRUE;
 137 }
 138
 139
 140 #pragma mark -
 141 #pragma mark ### Specific functions (reference v2) ###
 142
 143 //-------------------------------------------------------------------------------------
 144 //              ¥ Enable(bool)
 145 //-------------------------------------------------------------------------------------
 146 // Enables or disables the entire radiobox
 147
 148 bool wxRadioBox::Enable(bool enable)
 149 {
 150         int i;
 151     wxRadioButton *current;
 152
 153     if (!wxControl::Enable(enable))
 154         return (false);
 155
 156     current=m_radioButtonCycle;
 157         for (i=0;i<m_noItems;i++) {
 158         current->Enable(enable);
 159         current=current->NextInCycle();
 160         }
 161     return (true);
 162 }
 163
 164 //-------------------------------------------------------------------------------------
 165 //              ¥ Enable(int, bool)
 166 //-------------------------------------------------------------------------------------
 167 // Enables or disables an given button
 168
 169 void wxRadioBox::Enable(int item, bool enable)
 170 {
 171         int i;
 172     wxRadioButton *current;
 173
 174     if ((item < 0) || (item >= m_noItems))
 175         return;
 176     i=0;
 177     current=m_radioButtonCycle;
 178     while (i!=item) {
 179         i++;
 180         current=current->NextInCycle();
 181         }
 182 }
 183
 184
 185 //-------------------------------------------------------------------------------------
 186 //              ¥ FindString
 187 //-------------------------------------------------------------------------------------
 188 // Finds a button matching the given string, returning the position if found
 189 // or -1 if not found
 190
 191 int wxRadioBox::FindString(const wxString& s) const
 192 {
 193     int i;
 194     wxRadioButton *current;
 195
 196     current=m_radioButtonCycle;
 197     for (i = 0; i < m_noItems; i++)
 198     {
 199         if (s == current->GetLabel())
 200             return i;
 201         current=current->NextInCycle();
 202     }
 203     return -1;
 204 }
 205
 206 //-------------------------------------------------------------------------------------
 207 //              ¥ GetLabel()
 208 //-------------------------------------------------------------------------------------
 209 // Returns the radiobox label
 210
 211 wxString wxRadioBox::GetLabel() const
 212 {
 213     return wxControl::GetLabel();
 214 }
 215
 216 //-------------------------------------------------------------------------------------
 217 //              ¥ GetLabel(int)
 218 //-------------------------------------------------------------------------------------
 219 // Returns the label for the given button
 220
 221 wxString wxRadioBox::GetLabel(int item) const
 222 {
 223         int i;
 224     wxRadioButton *current;
 225
 226     if ((item < 0) || (item >= m_noItems))
 227         return wxString("");
 228     i=0;
 229     current=m_radioButtonCycle;
 230     while (i!=item) {
 231         i++;
 232         current=current->NextInCycle();
 233         }
 234     return current->GetLabel();
 235 }
 236
 237 //-------------------------------------------------------------------------------------
 238 //              ¥ GetSelection
 239 //-------------------------------------------------------------------------------------
 240 // Returns the zero-based position of the selected button
 241
 242 int wxRadioBox::GetSelection() const
 243 {
 244     int i;
 245     wxRadioButton *current;
 246
 247     i=0;
 248     current=m_radioButtonCycle;
 249     while (!current->GetValue()) {
 250         i++;
 251         current=current->NextInCycle();
 252         }
 253
 254     return i;
 255 }
 256
 257 //-------------------------------------------------------------------------------------
 258 //              ¥ GetString
 259 //-------------------------------------------------------------------------------------
 260 // Find string for position
 261
 262 wxString wxRadioBox::GetString(int item) const
 263 {
 264
 265     return GetLabel(item);
 266 }
 267
 268 //-------------------------------------------------------------------------------------
 269 //              ¥ GetStringSelection
 270 //-------------------------------------------------------------------------------------
 271 // Returns the selected string
 272
 273 wxString wxRadioBox::GetStringSelection () const
 274 {
 275     int sel = GetSelection ();
 276     if (sel > -1)
 277         return this->GetString (sel);
 278     else
 279         return wxString("");
 280 }
 281
 282 //-------------------------------------------------------------------------------------
 283 //              ¥ Number
 284 //-------------------------------------------------------------------------------------
 285 // Returns the number of buttons in the radiobox
 286 //
 287 // inline defined
 288 //
 289
 290 //-------------------------------------------------------------------------------------
 291 //              ¥ SetLabel(const wxString&)
 292 //-------------------------------------------------------------------------------------
 293 // Sets the radiobox label
 294
 295 void wxRadioBox::SetLabel(const wxString& label)
 296 {
 297     return wxControl::SetLabel(label);
 298 }
 299
 300 //-------------------------------------------------------------------------------------
 301 //              ¥ SetLabel(int, const wxString&)
 302 //-------------------------------------------------------------------------------------
 303 // Sets the label of a given button
 304
 305 void wxRadioBox::SetLabel(int item,const wxString& label)
 306 {
 307         int i;
 308     wxRadioButton *current;
 309
 310     if ((item < 0) || (item >= m_noItems))
 311         return;
 312         i=0;
 313     current=m_radioButtonCycle;
 314     while (i!=item) {
 315         i++;
 316         current=current->NextInCycle();
 317         }
 318     return current->SetLabel(label);
 319 }
 320
 321 //-------------------------------------------------------------------------------------
 322 //              ¥ SetSelection
 323 //-------------------------------------------------------------------------------------
 324 // Sets a button by passing the desired position. This does not cause
 325 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 326
 327 void wxRadioBox::SetSelection(int item)
 328 {
 329     int i;
 330     wxRadioButton *current;
 331
 332     if ((item < 0) || (item >= m_noItems))
 333         return;
 334     i=0;
 335     current=m_radioButtonCycle;
 336     while (i!=item) {
 337         i++;
 338         current=current->NextInCycle();
 339         }
 340     current->SetValue(true);
 341
 342 }
 343
 344 //-------------------------------------------------------------------------------------
 345 //              ¥ SetStringSelection
 346 //-------------------------------------------------------------------------------------
 347 // Sets a button by passing the desired string. This does not cause
 348 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 349
 350 bool wxRadioBox::SetStringSelection (const wxString& s)
 351 {
 352     int sel = FindString (s);
 353     if (sel > -1)
 354     {
 355         SetSelection (sel);
 356         return TRUE;
 357     }
 358     else
 359         return FALSE;
 360 }
 361
 362 //-------------------------------------------------------------------------------------
 363 //              ¥ Show(bool)
 364 //-------------------------------------------------------------------------------------
 365 // Shows or hides the entire radiobox
 366
 367 bool wxRadioBox::Show(bool show)
 368 {
 369     int i;
 370     wxRadioButton *current;
 371
 372     wxControl::Show(show);
 373
 374     current=m_radioButtonCycle;
 375         for (i=0;i<m_noItems;i++) {
 376         current->Show(show);
 377         current=current->NextInCycle();
 378         }
 379     return true;
 380 }
 381
 382 //-------------------------------------------------------------------------------------
 383 //              ¥ Show(int, bool)
 384 //-------------------------------------------------------------------------------------
 385 // Shows or hides the given button
 386
 387 void wxRadioBox::Show(int item, bool show)
 388 {
 389         int i;
 390     wxRadioButton *current;
 391
 392     if ((item < 0) || (item >= m_noItems))
 393         return;
 394     i=0;
 395     current=m_radioButtonCycle;
 396     while (i!=item) {
 397         i++;
 398         current=current->NextInCycle();
 399         }
 400     current->Show(show);
 401 }
 402
 403 #pragma mark -
 404 #pragma mark ### Other external functions ###
 405
 406 //-------------------------------------------------------------------------------------
 407 //              ¥ Command
 408 //-------------------------------------------------------------------------------------
 409 // Simulates the effect of the user issuing a command to the item
 410
 411 void wxRadioBox::Command (wxCommandEvent & event)
 412 {
 413     SetSelection (event.GetInt());
 414     ProcessCommand (event);
 415 }
 416
 417 //-------------------------------------------------------------------------------------
 418 //              ¥ SetFocus
 419 //-------------------------------------------------------------------------------------
 420 // Sets the selected button to receive keyboard input
 421
 422 void wxRadioBox::SetFocus()
 423 {
 424     int i;
 425     wxRadioButton *current;
 426
 427     i=0;
 428     current=m_radioButtonCycle;
 429     while (!current->GetValue()) {
 430         i++;
 431         current=current->NextInCycle();
 432         }
 433         current->SetFocus();
 434 }
 435
 436
 437 #pragma mark -
 438 #pragma mark ### Internal functions ###
 439
 440 //-------------------------------------------------------------------------------------
 441 //              ¥ DoSetSize
 442 //-------------------------------------------------------------------------------------
 443 // Simulates the effect of the user issuing a command to the item
 444
 445 #define RADIO_SIZE 40
 446
 447 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 448 {
 449         int i;
 450         wxRadioButton *current;
 451
 452 // define the position
 453
 454         int x_current, y_current;
 455         int x_offset,y_offset;
 456     int widthOld, heightOld;
 457     GetSize(&widthOld, &heightOld);
 458
 459         x_offset = x;
 460         y_offset = y;
 461         GetPosition(&x_current, &y_current);
 462         if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 463                 x_offset = x_current;
 464         if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 465                 y_offset = y_current;
 466
 467 // define size
 468
 469         int charWidth,charHeight;
 470         int maxWidth,maxHeight;
 471         int eachWidth[128],eachHeight[128];
 472     int totWidth,totHeight;
 473
 474         SetFont(GetParent()->GetFont());
 475         GetTextExtent(wxString("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 476         charWidth/=52;
 477
 478         maxWidth=-1;
 479         maxHeight=-1;
 480         for (i = 0 ; i < m_noItems; i++)
 481                 {
 482                 GetTextExtent(GetLabel(i), &eachWidth[i], &eachHeight[i]);
 483                 eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 484                 eachHeight[i] = (int)((3*eachHeight[i])/2);
 485                 if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 486                 if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 487                 }
 488
 489         totHeight = GetNumVer() * (maxHeight + charHeight/2) + charHeight*3/2;
 490         totWidth  = GetNumHor() * (maxWidth + charWidth) + charWidth;
 491
 492     // only change our width/height if asked for
 493     if ( width == -1 )
 494     {
 495         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 496             width = totWidth ;
 497         else
 498             width = widthOld;
 499     }
 500
 501     if ( height == -1 )
 502     {
 503         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 504             height = totHeight ;
 505         else
 506             height = heightOld;
 507     }
 508
 509         wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 510
 511 // arrange radiobuttons
 512
 513         int x_start,y_start;
 514
 515
 516         x_start = charWidth;
 517         y_start = 15 ;
 518         x_offset = x_start;
 519         y_offset = y_start;
 520
 521         current=m_radioButtonCycle;
 522         for ( i = 0 ; i < m_noItems; i++)
 523                 {
 524                 if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 525                 {
 526                 if (m_windowStyle & wxRA_VERTICAL)
 527                         {
 528                             x_offset += maxWidth + charWidth;
 529                         y_offset = y_start;
 530                                 }
 531                 else
 532                         {
 533                                 x_offset = x_start;
 534                         y_offset += maxHeight ; /*+ charHeight/2;*/
 535                                 }
 536                         }
 537
 538                 current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 539                 current=current->NextInCycle();
 540
 541                 if (m_windowStyle & wxRA_SPECIFY_ROWS)
 542                         y_offset += maxHeight ; /*+ charHeight/2;*/
 543                 else
 544                         x_offset += maxWidth + charWidth;
 545                 }
 546 }
 547
 548 //-------------------------------------------------------------------------------------
 549 //              ¥ GetNumVer
 550 //-------------------------------------------------------------------------------------
 551 // return the number of buttons in the vertical direction
 552
 553 int wxRadioBox::GetNumVer() 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::GetNumHor() 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