src/mac/carbon/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/radiobox.h"
  21 #include "wx/radiobut.h"
  22 #include "wx/mac/uma.h"
  23
  24 #if !USE_SHARED_LIBRARY
  25 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl)
  26 #endif
  27
  28 #pragma mark -
  29 #pragma mark ### Constructors & destructor ###
  30
  31 //-------------------------------------------------------------------------------------
  32 //              ¥ wxRadioBox()
  33 //-------------------------------------------------------------------------------------
  34 // Default constructor
  35
  36 wxRadioBox::wxRadioBox()
  37 {
  38     m_noItems = 0;
  39     m_noRowsOrCols = 0;
  40     m_majorDim = 0 ;
  41     m_radioButtonCycle = NULL;
  42 }
  43
  44 //-------------------------------------------------------------------------------------
  45 //              ¥ wxRadioBox(wxWindow*, wxWindowID, const wxString&, const wxPoint&,
  46 //                                              const wxSize&, int, const wxString[], int, long,
  47 //                                              const wxValidator&, const wxString&)
  48 //-------------------------------------------------------------------------------------
  49 // Contructor, creating and showing a radiobox
  50 //
  51 // inline defined
  52 //
  53
  54 //-------------------------------------------------------------------------------------
  55 //              ¥ ~wxRadioBox
  56 //-------------------------------------------------------------------------------------
  57 // Destructor, destroying the radiobox item
  58
  59 wxRadioBox::~wxRadioBox()
  60 {
  61         wxRadioButton *next,*current;
  62
  63     current=m_radioButtonCycle->NextInCycle();
  64     next=current->NextInCycle();
  65     while (current!=m_radioButtonCycle) {
  66         delete current;
  67         current=next;
  68         next=current->NextInCycle();
  69         }
  70     delete current;
  71 }
  72
  73 //-------------------------------------------------------------------------------------
  74 //              ¥ Create
  75 //-------------------------------------------------------------------------------------
  76 // Create the radiobox for two-step construction
  77
  78 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  79              const wxPoint& pos, const wxSize& size,
  80              int n, const wxString choices[],
  81              int majorDim, long style,
  82              const wxValidator& val, const wxString& name)
  83 {
  84     int i;
  85
  86     m_noItems = n;
  87     m_noRowsOrCols = majorDim;
  88     m_radioButtonCycle = NULL;
  89
  90     if (majorDim==0)
  91         m_majorDim = n ;
  92     else
  93         m_majorDim = majorDim ;
  94
  95
  96         Rect bounds ;
  97         Str255 title ;
  98
  99         MacPreControlCreate( parent , id ,  label , pos , size ,style, val , name , &bounds , title ) ;
 100
 101         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 1,
 102                 kControlGroupBoxTextTitleProc , (long) this ) ;
 103
 104         MacPostControlCreate() ;
 105
 106     for (i = 0; i < n; i++)
 107     {
 108         wxRadioButton *radBtn = new wxRadioButton(this, NewControlId(),choices[i],wxPoint(5,20*i+10),
 109           wxDefaultSize , i == 0 ? wxRB_GROUP : 0 ) ;
 110         if ( i == 0 )
 111           m_radioButtonCycle = radBtn ;
 112 //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 113     }
 114
 115         SetSelection(0);
 116         SetSize(pos.x,pos.y,size.x,size.y);
 117
 118   return TRUE;
 119 }
 120
 121
 122 #pragma mark -
 123 #pragma mark ### Specific functions (reference v2) ###
 124
 125 //-------------------------------------------------------------------------------------
 126 //              ¥ Enable(bool)
 127 //-------------------------------------------------------------------------------------
 128 // Enables or disables the entire radiobox
 129
 130 bool wxRadioBox::Enable(bool enable)
 131 {
 132         int i;
 133     wxRadioButton *current;
 134
 135     if (!wxControl::Enable(enable))
 136         return (false);
 137
 138     current=m_radioButtonCycle;
 139         for (i=0;i<m_noItems;i++) {
 140         current->Enable(enable);
 141         current=current->NextInCycle();
 142         }
 143     return (true);
 144 }
 145
 146 //-------------------------------------------------------------------------------------
 147 //              ¥ Enable(int, bool)
 148 //-------------------------------------------------------------------------------------
 149 // Enables or disables an given button
 150
 151 void wxRadioBox::Enable(int item, bool enable)
 152 {
 153         int i;
 154     wxRadioButton *current;
 155
 156     if ((item < 0) || (item >= m_noItems))
 157         return;
 158     i=0;
 159     current=m_radioButtonCycle;
 160     while (i!=item) {
 161         i++;
 162         current=current->NextInCycle();
 163         }
 164 }
 165
 166
 167 //-------------------------------------------------------------------------------------
 168 //              ¥ FindString
 169 //-------------------------------------------------------------------------------------
 170 // Finds a button matching the given string, returning the position if found
 171 // or -1 if not found
 172
 173 int wxRadioBox::FindString(const wxString& s) const
 174 {
 175     int i;
 176     wxRadioButton *current;
 177
 178     current=m_radioButtonCycle;
 179     for (i = 0; i < m_noItems; i++)
 180     {
 181         if (s == current->GetLabel())
 182             return i;
 183         current=current->NextInCycle();
 184     }
 185     return -1;
 186 }
 187
 188 //-------------------------------------------------------------------------------------
 189 //              ¥ GetLabel()
 190 //-------------------------------------------------------------------------------------
 191 // Returns the radiobox label
 192
 193 wxString wxRadioBox::GetLabel() const
 194 {
 195     return wxControl::GetLabel();
 196 }
 197
 198 //-------------------------------------------------------------------------------------
 199 //              ¥ GetLabel(int)
 200 //-------------------------------------------------------------------------------------
 201 // Returns the label for the given button
 202
 203 wxString wxRadioBox::GetLabel(int item) const
 204 {
 205         int i;
 206     wxRadioButton *current;
 207
 208     if ((item < 0) || (item >= m_noItems))
 209         return wxString("");
 210     i=0;
 211     current=m_radioButtonCycle;
 212     while (i!=item) {
 213         i++;
 214         current=current->NextInCycle();
 215         }
 216     return current->GetLabel();
 217 }
 218
 219 //-------------------------------------------------------------------------------------
 220 //              ¥ GetSelection
 221 //-------------------------------------------------------------------------------------
 222 // Returns the zero-based position of the selected button
 223
 224 int wxRadioBox::GetSelection() const
 225 {
 226     int i;
 227     wxRadioButton *current;
 228
 229     i=0;
 230     current=m_radioButtonCycle;
 231     while (!current->GetValue()) {
 232         i++;
 233         current=current->NextInCycle();
 234         }
 235
 236     return i;
 237 }
 238
 239 //-------------------------------------------------------------------------------------
 240 //              ¥ GetString
 241 //-------------------------------------------------------------------------------------
 242 // Find string for position
 243
 244 wxString wxRadioBox::GetString(int item) const
 245 {
 246
 247     return GetLabel(item);
 248 }
 249
 250 //-------------------------------------------------------------------------------------
 251 //              ¥ GetStringSelection
 252 //-------------------------------------------------------------------------------------
 253 // Returns the selected string
 254
 255 wxString wxRadioBox::GetStringSelection () const
 256 {
 257     int sel = GetSelection ();
 258     if (sel > -1)
 259         return this->GetString (sel);
 260     else
 261         return wxString("");
 262 }
 263
 264 //-------------------------------------------------------------------------------------
 265 //              ¥ Number
 266 //-------------------------------------------------------------------------------------
 267 // Returns the number of buttons in the radiobox
 268 //
 269 // inline defined
 270 //
 271
 272 //-------------------------------------------------------------------------------------
 273 //              ¥ SetLabel(const wxString&)
 274 //-------------------------------------------------------------------------------------
 275 // Sets the radiobox label
 276
 277 void wxRadioBox::SetLabel(const wxString& label)
 278 {
 279     return wxControl::SetLabel(label);
 280 }
 281
 282 //-------------------------------------------------------------------------------------
 283 //              ¥ SetLabel(int, const wxString&)
 284 //-------------------------------------------------------------------------------------
 285 // Sets the label of a given button
 286
 287 void wxRadioBox::SetLabel(int item,const wxString& label)
 288 {
 289         int i;
 290     wxRadioButton *current;
 291
 292     if ((item < 0) || (item >= m_noItems))
 293         return;
 294         i=0;
 295     current=m_radioButtonCycle;
 296     while (i!=item) {
 297         i++;
 298         current=current->NextInCycle();
 299         }
 300     return current->SetLabel(label);
 301 }
 302
 303 //-------------------------------------------------------------------------------------
 304 //              ¥ SetSelection
 305 //-------------------------------------------------------------------------------------
 306 // Sets a button by passing the desired position. This does not cause
 307 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 308
 309 void wxRadioBox::SetSelection(int item)
 310 {
 311     int i;
 312     wxRadioButton *current;
 313
 314     if ((item < 0) || (item >= m_noItems))
 315         return;
 316     i=0;
 317     current=m_radioButtonCycle;
 318     while (i!=item) {
 319         i++;
 320         current=current->NextInCycle();
 321         }
 322     current->SetValue(true);
 323
 324 }
 325
 326 //-------------------------------------------------------------------------------------
 327 //              ¥ SetStringSelection
 328 //-------------------------------------------------------------------------------------
 329 // Sets a button by passing the desired string. This does not cause
 330 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 331
 332 bool wxRadioBox::SetStringSelection (const wxString& s)
 333 {
 334     int sel = FindString (s);
 335     if (sel > -1)
 336     {
 337         SetSelection (sel);
 338         return TRUE;
 339     }
 340     else
 341         return FALSE;
 342 }
 343
 344 //-------------------------------------------------------------------------------------
 345 //              ¥ Show(bool)
 346 //-------------------------------------------------------------------------------------
 347 // Shows or hides the entire radiobox
 348
 349 bool wxRadioBox::Show(bool show)
 350 {
 351     int i;
 352     wxRadioButton *current;
 353
 354     wxControl::Show(show);
 355
 356     current=m_radioButtonCycle;
 357         for (i=0;i<m_noItems;i++) {
 358         current->Show(show);
 359         current=current->NextInCycle();
 360         }
 361     return true;
 362 }
 363
 364 //-------------------------------------------------------------------------------------
 365 //              ¥ Show(int, bool)
 366 //-------------------------------------------------------------------------------------
 367 // Shows or hides the given button
 368
 369 void wxRadioBox::Show(int item, bool show)
 370 {
 371         int i;
 372     wxRadioButton *current;
 373
 374     if ((item < 0) || (item >= m_noItems))
 375         return;
 376     i=0;
 377     current=m_radioButtonCycle;
 378     while (i!=item) {
 379         i++;
 380         current=current->NextInCycle();
 381         }
 382     current->Show(show);
 383 }
 384
 385 #pragma mark -
 386 #pragma mark ### Other external functions ###
 387
 388 //-------------------------------------------------------------------------------------
 389 //              ¥ Command
 390 //-------------------------------------------------------------------------------------
 391 // Simulates the effect of the user issuing a command to the item
 392
 393 void wxRadioBox::Command (wxCommandEvent & event)
 394 {
 395     SetSelection (event.GetInt());
 396     ProcessCommand (event);
 397 }
 398
 399 //-------------------------------------------------------------------------------------
 400 //              ¥ SetFocus
 401 //-------------------------------------------------------------------------------------
 402 // Sets the selected button to receive keyboard input
 403
 404 void wxRadioBox::SetFocus()
 405 {
 406     int i;
 407     wxRadioButton *current;
 408
 409     i=0;
 410     current=m_radioButtonCycle;
 411     while (!current->GetValue()) {
 412         i++;
 413         current=current->NextInCycle();
 414         }
 415         current->SetFocus();
 416 }
 417
 418
 419 #pragma mark -
 420 #pragma mark ### Internal functions ###
 421
 422 //-------------------------------------------------------------------------------------
 423 //              ¥ DoSetSize
 424 //-------------------------------------------------------------------------------------
 425 // Simulates the effect of the user issuing a command to the item
 426
 427 #define RADIO_SIZE 40
 428
 429 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 430 {
 431         int i;
 432         wxRadioButton *current;
 433
 434 // define the position
 435
 436         int x_current, y_current;
 437         int x_offset,y_offset;
 438     int widthOld, heightOld;
 439     GetSize(&widthOld, &heightOld);
 440
 441         x_offset = x;
 442         y_offset = y;
 443         GetPosition(&x_current, &y_current);
 444         if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 445                 x_offset = x_current;
 446         if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 447                 y_offset = y_current;
 448
 449 // define size
 450
 451         int charWidth,charHeight;
 452         int maxWidth,maxHeight;
 453         int eachWidth[128],eachHeight[128];
 454     int totWidth,totHeight;
 455
 456         SetFont(GetParent()->GetFont());
 457         GetTextExtent(wxString("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 458         charWidth/=52;
 459
 460         maxWidth=-1;
 461         maxHeight=-1;
 462         for (i = 0 ; i < m_noItems; i++)
 463                 {
 464                 GetTextExtent(GetLabel(i), &eachWidth[i], &eachHeight[i]);
 465                 eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 466                 eachHeight[i] = (int)((3*eachHeight[i])/2);
 467                 if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 468                 if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 469                 }
 470
 471         totHeight = GetNumVer() * (maxHeight + charHeight/2) + charHeight*3/2;
 472         totWidth  = GetNumHor() * (maxWidth + charWidth) + charWidth;
 473
 474     // only change our width/height if asked for
 475     if ( width == -1 )
 476     {
 477         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 478             width = totWidth ;
 479         else
 480             width = widthOld;
 481     }
 482
 483     if ( height == -1 )
 484     {
 485         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 486             height = totHeight ;
 487         else
 488             height = heightOld;
 489     }
 490
 491         wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 492
 493 // arrange radiobuttons
 494
 495         int x_start,y_start;
 496
 497
 498         x_start = charWidth;
 499         y_start = 15 ;
 500         x_offset = x_start;
 501         y_offset = y_start;
 502
 503         current=m_radioButtonCycle;
 504         for ( i = 0 ; i < m_noItems; i++)
 505                 {
 506                 if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 507                 {
 508                 if (m_windowStyle & wxRA_VERTICAL)
 509                         {
 510                             x_offset += maxWidth + charWidth;
 511                         y_offset = y_start;
 512                                 }
 513                 else
 514                         {
 515                                 x_offset = x_start;
 516                         y_offset += maxHeight ; /*+ charHeight/2;*/
 517                                 }
 518                         }
 519
 520                 current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 521                 current=current->NextInCycle();
 522
 523                 if (m_windowStyle & wxRA_SPECIFY_ROWS)
 524                         y_offset += maxHeight ; /*+ charHeight/2;*/
 525                 else
 526                         x_offset += maxWidth + charWidth;
 527                 }
 528 }
 529
 530 //-------------------------------------------------------------------------------------
 531 //              ¥ GetNumVer
 532 //-------------------------------------------------------------------------------------
 533 // return the number of buttons in the vertical direction
 534
 535 int wxRadioBox::GetNumVer() const
 536 {
 537     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 538     {
 539         return m_majorDim;
 540     }
 541     else
 542     {
 543         return (m_noItems + m_majorDim - 1)/m_majorDim;
 544     }
 545 }
 546
 547 //-------------------------------------------------------------------------------------
 548 //              ¥ GetNumHor
 549 //-------------------------------------------------------------------------------------
 550 // return the number of buttons in the horizontal direction
 551
 552 int wxRadioBox::GetNumHor() const
 553 {
 554     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 555     {
 556         return (m_noItems + m_majorDim - 1)/m_majorDim;
 557     }
 558     else
 559     {
 560         return m_majorDim;
 561     }
 562 }
 563
 564
 565
 566
 567