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