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 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  36 EVT_RADIOBUTTON( -1 , wxRadioBox::OnRadioButton )
  37 END_EVENT_TABLE()
  38
  39 void wxRadioBox::OnRadioButton( wxCommandEvent &outer )
  40 {
  41     wxCommandEvent event(wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId);
  42     int i = GetSelection() ;
  43     event.SetInt( i );
  44     event.SetString( GetString( i ) );
  45     event.SetEventObject( this );
  46     ProcessCommand(event);
  47 }
  48
  49 wxRadioBox::wxRadioBox()
  50 {
  51     m_noItems = 0;
  52     m_noRowsOrCols = 0;
  53     m_majorDim = 0 ;
  54     m_radioButtonCycle = NULL;
  55 }
  56
  57 //-------------------------------------------------------------------------------------
  58 //              ¥ wxRadioBox(wxWindow*, wxWindowID, const wxString&, const wxPoint&,
  59 //                                              const wxSize&, int, const wxString[], int, long,
  60 //                                              const wxValidator&, const wxString&)
  61 //-------------------------------------------------------------------------------------
  62 // Contructor, creating and showing a radiobox
  63 //
  64 // inline defined
  65 //
  66
  67 //-------------------------------------------------------------------------------------
  68 //              ¥ ~wxRadioBox
  69 //-------------------------------------------------------------------------------------
  70 // Destructor, destroying the radiobox item
  71
  72 wxRadioBox::~wxRadioBox()
  73 {
  74         wxRadioButton *next,*current;
  75
  76     current=m_radioButtonCycle->NextInCycle();
  77     next=current->NextInCycle();
  78     while (current!=m_radioButtonCycle) {
  79         delete current;
  80         current=next;
  81         next=current->NextInCycle();
  82         }
  83     delete current;
  84 }
  85
  86 //-------------------------------------------------------------------------------------
  87 //              ¥ Create
  88 //-------------------------------------------------------------------------------------
  89 // Create the radiobox for two-step construction
  90
  91 bool wxRadioBox::Create(wxWindow *parent, wxWindowID id, const wxString& label,
  92              const wxPoint& pos, const wxSize& size,
  93              int n, const wxString choices[],
  94              int majorDim, long style,
  95              const wxValidator& val, const wxString& name)
  96 {
  97     int i;
  98
  99     m_noItems = n;
 100     m_noRowsOrCols = majorDim;
 101     m_radioButtonCycle = NULL;
 102
 103     if (majorDim==0)
 104         m_majorDim = n ;
 105     else
 106         m_majorDim = majorDim ;
 107
 108
 109         Rect bounds ;
 110         Str255 title ;
 111
 112         MacPreControlCreate( parent , id ,  label , pos , size ,style, val , name , &bounds , title ) ;
 113
 114         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , true , 0 , 0 , 1,
 115                 kControlGroupBoxTextTitleProc , (long) this ) ;
 116
 117         MacPostControlCreate() ;
 118
 119     for (i = 0; i < n; i++)
 120     {
 121         wxRadioButton *radBtn = new wxRadioButton(this, NewControlId(),choices[i],wxPoint(5,20*i+10),
 122           wxDefaultSize , i == 0 ? wxRB_GROUP : 0 ) ;
 123         if ( i == 0 )
 124           m_radioButtonCycle = radBtn ;
 125 //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 126     }
 127
 128         SetSelection(0);
 129         SetSize(pos.x,pos.y,size.x,size.y);
 130
 131   return TRUE;
 132 }
 133
 134
 135 #pragma mark -
 136 #pragma mark ### Specific functions (reference v2) ###
 137
 138 //-------------------------------------------------------------------------------------
 139 //              ¥ Enable(bool)
 140 //-------------------------------------------------------------------------------------
 141 // Enables or disables the entire radiobox
 142
 143 bool wxRadioBox::Enable(bool enable)
 144 {
 145         int i;
 146     wxRadioButton *current;
 147
 148     if (!wxControl::Enable(enable))
 149         return (false);
 150
 151     current=m_radioButtonCycle;
 152         for (i=0;i<m_noItems;i++) {
 153         current->Enable(enable);
 154         current=current->NextInCycle();
 155         }
 156     return (true);
 157 }
 158
 159 //-------------------------------------------------------------------------------------
 160 //              ¥ Enable(int, bool)
 161 //-------------------------------------------------------------------------------------
 162 // Enables or disables an given button
 163
 164 void wxRadioBox::Enable(int item, bool enable)
 165 {
 166         int i;
 167     wxRadioButton *current;
 168
 169     if ((item < 0) || (item >= m_noItems))
 170         return;
 171     i=0;
 172     current=m_radioButtonCycle;
 173     while (i!=item) {
 174         i++;
 175         current=current->NextInCycle();
 176         }
 177 }
 178
 179
 180 //-------------------------------------------------------------------------------------
 181 //              ¥ FindString
 182 //-------------------------------------------------------------------------------------
 183 // Finds a button matching the given string, returning the position if found
 184 // or -1 if not found
 185
 186 int wxRadioBox::FindString(const wxString& s) const
 187 {
 188     int i;
 189     wxRadioButton *current;
 190
 191     current=m_radioButtonCycle;
 192     for (i = 0; i < m_noItems; i++)
 193     {
 194         if (s == current->GetLabel())
 195             return i;
 196         current=current->NextInCycle();
 197     }
 198     return -1;
 199 }
 200
 201 //-------------------------------------------------------------------------------------
 202 //              ¥ GetLabel()
 203 //-------------------------------------------------------------------------------------
 204 // Returns the radiobox label
 205
 206 wxString wxRadioBox::GetLabel() const
 207 {
 208     return wxControl::GetLabel();
 209 }
 210
 211 //-------------------------------------------------------------------------------------
 212 //              ¥ GetLabel(int)
 213 //-------------------------------------------------------------------------------------
 214 // Returns the label for the given button
 215
 216 wxString wxRadioBox::GetLabel(int item) const
 217 {
 218         int i;
 219     wxRadioButton *current;
 220
 221     if ((item < 0) || (item >= m_noItems))
 222         return wxString("");
 223     i=0;
 224     current=m_radioButtonCycle;
 225     while (i!=item) {
 226         i++;
 227         current=current->NextInCycle();
 228         }
 229     return current->GetLabel();
 230 }
 231
 232 //-------------------------------------------------------------------------------------
 233 //              ¥ GetSelection
 234 //-------------------------------------------------------------------------------------
 235 // Returns the zero-based position of the selected button
 236
 237 int wxRadioBox::GetSelection() const
 238 {
 239     int i;
 240     wxRadioButton *current;
 241
 242     i=0;
 243     current=m_radioButtonCycle;
 244     while (!current->GetValue()) {
 245         i++;
 246         current=current->NextInCycle();
 247         }
 248
 249     return i;
 250 }
 251
 252 //-------------------------------------------------------------------------------------
 253 //              ¥ GetString
 254 //-------------------------------------------------------------------------------------
 255 // Find string for position
 256
 257 wxString wxRadioBox::GetString(int item) const
 258 {
 259
 260     return GetLabel(item);
 261 }
 262
 263 //-------------------------------------------------------------------------------------
 264 //              ¥ GetStringSelection
 265 //-------------------------------------------------------------------------------------
 266 // Returns the selected string
 267
 268 wxString wxRadioBox::GetStringSelection () const
 269 {
 270     int sel = GetSelection ();
 271     if (sel > -1)
 272         return this->GetString (sel);
 273     else
 274         return wxString("");
 275 }
 276
 277 //-------------------------------------------------------------------------------------
 278 //              ¥ Number
 279 //-------------------------------------------------------------------------------------
 280 // Returns the number of buttons in the radiobox
 281 //
 282 // inline defined
 283 //
 284
 285 //-------------------------------------------------------------------------------------
 286 //              ¥ SetLabel(const wxString&)
 287 //-------------------------------------------------------------------------------------
 288 // Sets the radiobox label
 289
 290 void wxRadioBox::SetLabel(const wxString& label)
 291 {
 292     return wxControl::SetLabel(label);
 293 }
 294
 295 //-------------------------------------------------------------------------------------
 296 //              ¥ SetLabel(int, const wxString&)
 297 //-------------------------------------------------------------------------------------
 298 // Sets the label of a given button
 299
 300 void wxRadioBox::SetLabel(int item,const wxString& label)
 301 {
 302         int i;
 303     wxRadioButton *current;
 304
 305     if ((item < 0) || (item >= m_noItems))
 306         return;
 307         i=0;
 308     current=m_radioButtonCycle;
 309     while (i!=item) {
 310         i++;
 311         current=current->NextInCycle();
 312         }
 313     return current->SetLabel(label);
 314 }
 315
 316 //-------------------------------------------------------------------------------------
 317 //              ¥ SetSelection
 318 //-------------------------------------------------------------------------------------
 319 // Sets a button by passing the desired position. This does not cause
 320 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 321
 322 void wxRadioBox::SetSelection(int item)
 323 {
 324     int i;
 325     wxRadioButton *current;
 326
 327     if ((item < 0) || (item >= m_noItems))
 328         return;
 329     i=0;
 330     current=m_radioButtonCycle;
 331     while (i!=item) {
 332         i++;
 333         current=current->NextInCycle();
 334         }
 335     current->SetValue(true);
 336
 337 }
 338
 339 //-------------------------------------------------------------------------------------
 340 //              ¥ SetStringSelection
 341 //-------------------------------------------------------------------------------------
 342 // Sets a button by passing the desired string. This does not cause
 343 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 344
 345 bool wxRadioBox::SetStringSelection (const wxString& s)
 346 {
 347     int sel = FindString (s);
 348     if (sel > -1)
 349     {
 350         SetSelection (sel);
 351         return TRUE;
 352     }
 353     else
 354         return FALSE;
 355 }
 356
 357 //-------------------------------------------------------------------------------------
 358 //              ¥ Show(bool)
 359 //-------------------------------------------------------------------------------------
 360 // Shows or hides the entire radiobox
 361
 362 bool wxRadioBox::Show(bool show)
 363 {
 364     int i;
 365     wxRadioButton *current;
 366
 367     wxControl::Show(show);
 368
 369     current=m_radioButtonCycle;
 370         for (i=0;i<m_noItems;i++) {
 371         current->Show(show);
 372         current=current->NextInCycle();
 373         }
 374     return true;
 375 }
 376
 377 //-------------------------------------------------------------------------------------
 378 //              ¥ Show(int, bool)
 379 //-------------------------------------------------------------------------------------
 380 // Shows or hides the given button
 381
 382 void wxRadioBox::Show(int item, bool show)
 383 {
 384         int i;
 385     wxRadioButton *current;
 386
 387     if ((item < 0) || (item >= m_noItems))
 388         return;
 389     i=0;
 390     current=m_radioButtonCycle;
 391     while (i!=item) {
 392         i++;
 393         current=current->NextInCycle();
 394         }
 395     current->Show(show);
 396 }
 397
 398 #pragma mark -
 399 #pragma mark ### Other external functions ###
 400
 401 //-------------------------------------------------------------------------------------
 402 //              ¥ Command
 403 //-------------------------------------------------------------------------------------
 404 // Simulates the effect of the user issuing a command to the item
 405
 406 void wxRadioBox::Command (wxCommandEvent & event)
 407 {
 408     SetSelection (event.GetInt());
 409     ProcessCommand (event);
 410 }
 411
 412 //-------------------------------------------------------------------------------------
 413 //              ¥ SetFocus
 414 //-------------------------------------------------------------------------------------
 415 // Sets the selected button to receive keyboard input
 416
 417 void wxRadioBox::SetFocus()
 418 {
 419     int i;
 420     wxRadioButton *current;
 421
 422     i=0;
 423     current=m_radioButtonCycle;
 424     while (!current->GetValue()) {
 425         i++;
 426         current=current->NextInCycle();
 427         }
 428         current->SetFocus();
 429 }
 430
 431
 432 #pragma mark -
 433 #pragma mark ### Internal functions ###
 434
 435 //-------------------------------------------------------------------------------------
 436 //              ¥ DoSetSize
 437 //-------------------------------------------------------------------------------------
 438 // Simulates the effect of the user issuing a command to the item
 439
 440 #define RADIO_SIZE 40
 441
 442 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 443 {
 444         int i;
 445         wxRadioButton *current;
 446
 447 // define the position
 448
 449         int x_current, y_current;
 450         int x_offset,y_offset;
 451     int widthOld, heightOld;
 452     GetSize(&widthOld, &heightOld);
 453
 454         x_offset = x;
 455         y_offset = y;
 456         GetPosition(&x_current, &y_current);
 457         if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 458                 x_offset = x_current;
 459         if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 460                 y_offset = y_current;
 461
 462 // define size
 463
 464         int charWidth,charHeight;
 465         int maxWidth,maxHeight;
 466         int eachWidth[128],eachHeight[128];
 467     int totWidth,totHeight;
 468
 469         SetFont(GetParent()->GetFont());
 470         GetTextExtent(wxString("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 471         charWidth/=52;
 472
 473         maxWidth=-1;
 474         maxHeight=-1;
 475         for (i = 0 ; i < m_noItems; i++)
 476                 {
 477                 GetTextExtent(GetLabel(i), &eachWidth[i], &eachHeight[i]);
 478                 eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 479                 eachHeight[i] = (int)((3*eachHeight[i])/2);
 480                 if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 481                 if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 482                 }
 483
 484         totHeight = GetNumVer() * (maxHeight + charHeight/2) + charHeight*3/2;
 485         totWidth  = GetNumHor() * (maxWidth + charWidth) + charWidth;
 486
 487     // only change our width/height if asked for
 488     if ( width == -1 )
 489     {
 490         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 491             width = totWidth ;
 492         else
 493             width = widthOld;
 494     }
 495
 496     if ( height == -1 )
 497     {
 498         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 499             height = totHeight ;
 500         else
 501             height = heightOld;
 502     }
 503
 504         wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 505
 506 // arrange radiobuttons
 507
 508         int x_start,y_start;
 509
 510
 511         x_start = charWidth;
 512         y_start = 15 ;
 513         x_offset = x_start;
 514         y_offset = y_start;
 515
 516         current=m_radioButtonCycle;
 517         for ( i = 0 ; i < m_noItems; i++)
 518                 {
 519                 if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 520                 {
 521                 if (m_windowStyle & wxRA_VERTICAL)
 522                         {
 523                             x_offset += maxWidth + charWidth;
 524                         y_offset = y_start;
 525                                 }
 526                 else
 527                         {
 528                                 x_offset = x_start;
 529                         y_offset += maxHeight ; /*+ charHeight/2;*/
 530                                 }
 531                         }
 532
 533                 current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 534                 current=current->NextInCycle();
 535
 536                 if (m_windowStyle & wxRA_SPECIFY_ROWS)
 537                         y_offset += maxHeight ; /*+ charHeight/2;*/
 538                 else
 539                         x_offset += maxWidth + charWidth;
 540                 }
 541 }
 542
 543 //-------------------------------------------------------------------------------------
 544 //              ¥ GetNumVer
 545 //-------------------------------------------------------------------------------------
 546 // return the number of buttons in the vertical direction
 547
 548 int wxRadioBox::GetNumVer() const
 549 {
 550     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 551     {
 552         return m_majorDim;
 553     }
 554     else
 555     {
 556         return (m_noItems + m_majorDim - 1)/m_majorDim;
 557     }
 558 }
 559
 560 //-------------------------------------------------------------------------------------
 561 //              ¥ GetNumHor
 562 //-------------------------------------------------------------------------------------
 563 // return the number of buttons in the horizontal direction
 564
 565 int wxRadioBox::GetNumHor() const
 566 {
 567     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 568     {
 569         return (m_noItems + m_majorDim - 1)/m_majorDim;
 570     }
 571     else
 572     {
 573         return m_majorDim;
 574     }
 575 }
 576
 577
 578
 579
 580