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