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 "radioboxbase.h"
  18   #pragma implementation "radiobox.h"
  19 #endif
  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 ,  label , pos , size ,style, val , name , &bounds , title ) ;
 119
 120         m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , title , false , 0 , 0 , 1,
 121                 kControlGroupBoxTextTitleProc , (long) this ) ;
 122
 123         MacPostControlCreate() ;
 124
 125     for (i = 0; i < n; i++)
 126     {
 127         wxRadioButton *radBtn = new wxRadioButton(this, NewControlId(),choices[i],wxPoint(5,20*i+10),
 128           wxDefaultSize , i == 0 ? wxRB_GROUP : 0 ) ;
 129         if ( i == 0 )
 130           m_radioButtonCycle = radBtn ;
 131 //        m_radioButtonCycle=radBtn->AddInCycle(m_radioButtonCycle);
 132     }
 133
 134         SetSelection(0);
 135         SetSize(pos.x,pos.y,size.x,size.y);
 136
 137   return TRUE;
 138 }
 139
 140
 141 #pragma mark -
 142 #pragma mark ### Specific functions (reference v2) ###
 143
 144 //-------------------------------------------------------------------------------------
 145 //              ¥ Enable(bool)
 146 //-------------------------------------------------------------------------------------
 147 // Enables or disables the entire radiobox
 148
 149 bool wxRadioBox::Enable(bool enable)
 150 {
 151         int i;
 152     wxRadioButton *current;
 153
 154     if (!wxControl::Enable(enable))
 155         return (false);
 156
 157     current=m_radioButtonCycle;
 158         for (i=0;i<m_noItems;i++) {
 159         current->Enable(enable);
 160         current=current->NextInCycle();
 161         }
 162     return (true);
 163 }
 164
 165 //-------------------------------------------------------------------------------------
 166 //              ¥ Enable(int, bool)
 167 //-------------------------------------------------------------------------------------
 168 // Enables or disables an given button
 169
 170 void wxRadioBox::Enable(int item, bool enable)
 171 {
 172         int i;
 173     wxRadioButton *current;
 174
 175     if ((item < 0) || (item >= m_noItems))
 176         return;
 177     i=0;
 178     current=m_radioButtonCycle;
 179     while (i!=item) {
 180         i++;
 181         current=current->NextInCycle();
 182         }
 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     i=0;
 208     current=m_radioButtonCycle;
 209     while (i!=item) {
 210         i++;
 211         current=current->NextInCycle();
 212         }
 213     return current->GetLabel();
 214 }
 215
 216 //-------------------------------------------------------------------------------------
 217 //              ¥ GetSelection
 218 //-------------------------------------------------------------------------------------
 219 // Returns the zero-based position of the selected button
 220
 221 int wxRadioBox::GetSelection() const
 222 {
 223     int i;
 224     wxRadioButton *current;
 225
 226     i=0;
 227     current=m_radioButtonCycle;
 228     while (!current->GetValue()) {
 229         i++;
 230         current=current->NextInCycle();
 231         }
 232
 233     return i;
 234 }
 235
 236 //-------------------------------------------------------------------------------------
 237 //              ¥ Number
 238 //-------------------------------------------------------------------------------------
 239 // Returns the number of buttons in the radiobox
 240 //
 241 // inline defined
 242 //
 243
 244 //-------------------------------------------------------------------------------------
 245 //              ¥ SetLabel(const wxString&)
 246 //-------------------------------------------------------------------------------------
 247 // Sets the radiobox label
 248
 249 void wxRadioBox::SetLabel(const wxString& label)
 250 {
 251     return wxControl::SetLabel(label);
 252 }
 253
 254 //-------------------------------------------------------------------------------------
 255 //              ¥ SetLabel(int, const wxString&)
 256 //-------------------------------------------------------------------------------------
 257 // Sets the label of a given button
 258
 259 void wxRadioBox::SetString(int item,const wxString& label)
 260 {
 261         int i;
 262     wxRadioButton *current;
 263
 264     if ((item < 0) || (item >= m_noItems))
 265         return;
 266         i=0;
 267     current=m_radioButtonCycle;
 268     while (i!=item) {
 269         i++;
 270         current=current->NextInCycle();
 271         }
 272     return current->SetLabel(label);
 273 }
 274
 275 //-------------------------------------------------------------------------------------
 276 //              ¥ SetSelection
 277 //-------------------------------------------------------------------------------------
 278 // Sets a button by passing the desired position. This does not cause
 279 // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted
 280
 281 void wxRadioBox::SetSelection(int item)
 282 {
 283     int i;
 284     wxRadioButton *current;
 285
 286     if ((item < 0) || (item >= m_noItems))
 287         return;
 288     i=0;
 289     current=m_radioButtonCycle;
 290     while (i!=item) {
 291         i++;
 292         current=current->NextInCycle();
 293         }
 294     current->SetValue(true);
 295
 296 }
 297
 298 //-------------------------------------------------------------------------------------
 299 //              ¥ Show(bool)
 300 //-------------------------------------------------------------------------------------
 301 // Shows or hides the entire radiobox
 302
 303 bool wxRadioBox::Show(bool show)
 304 {
 305     int i;
 306     wxRadioButton *current;
 307
 308     wxControl::Show(show);
 309
 310     current=m_radioButtonCycle;
 311         for (i=0;i<m_noItems;i++) {
 312         current->Show(show);
 313         current=current->NextInCycle();
 314         }
 315     return true;
 316 }
 317
 318 //-------------------------------------------------------------------------------------
 319 //              ¥ Show(int, bool)
 320 //-------------------------------------------------------------------------------------
 321 // Shows or hides the given button
 322
 323 void wxRadioBox::Show(int item, bool show)
 324 {
 325         int i;
 326     wxRadioButton *current;
 327
 328     if ((item < 0) || (item >= m_noItems))
 329         return;
 330     i=0;
 331     current=m_radioButtonCycle;
 332     while (i!=item) {
 333         i++;
 334         current=current->NextInCycle();
 335         }
 336     current->Show(show);
 337 }
 338
 339 #pragma mark -
 340 #pragma mark ### Other external functions ###
 341
 342 //-------------------------------------------------------------------------------------
 343 //              ¥ Command
 344 //-------------------------------------------------------------------------------------
 345 // Simulates the effect of the user issuing a command to the item
 346
 347 void wxRadioBox::Command (wxCommandEvent & event)
 348 {
 349     SetSelection (event.GetInt());
 350     ProcessCommand (event);
 351 }
 352
 353 //-------------------------------------------------------------------------------------
 354 //              ¥ SetFocus
 355 //-------------------------------------------------------------------------------------
 356 // Sets the selected button to receive keyboard input
 357
 358 void wxRadioBox::SetFocus()
 359 {
 360     int i;
 361     wxRadioButton *current;
 362
 363     i=0;
 364     current=m_radioButtonCycle;
 365     while (!current->GetValue()) {
 366         i++;
 367         current=current->NextInCycle();
 368         }
 369         current->SetFocus();
 370 }
 371
 372
 373 #pragma mark -
 374 #pragma mark ### Internal functions ###
 375
 376 //-------------------------------------------------------------------------------------
 377 //              ¥ DoSetSize
 378 //-------------------------------------------------------------------------------------
 379 // Simulates the effect of the user issuing a command to the item
 380
 381 #define RADIO_SIZE 40
 382
 383 void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 384 {
 385         int i;
 386         wxRadioButton *current;
 387
 388 // define the position
 389
 390         int x_current, y_current;
 391         int x_offset,y_offset;
 392     int widthOld, heightOld;
 393     GetSize(&widthOld, &heightOld);
 394
 395         x_offset = x;
 396         y_offset = y;
 397         GetPosition(&x_current, &y_current);
 398         if ((x == -1) && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 399                 x_offset = x_current;
 400         if ((y == -1)&& !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
 401                 y_offset = y_current;
 402
 403 // define size
 404
 405         int charWidth,charHeight;
 406         int maxWidth,maxHeight;
 407         int eachWidth[128],eachHeight[128];
 408     int totWidth,totHeight;
 409
 410         SetFont(GetParent()->GetFont());
 411         GetTextExtent(wxString("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), &charWidth, &charHeight);
 412         charWidth/=52;
 413
 414         maxWidth=-1;
 415         maxHeight=-1;
 416         for (i = 0 ; i < m_noItems; i++)
 417                 {
 418                 GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i]);
 419                 eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE);
 420                 eachHeight[i] = (int)((3*eachHeight[i])/2);
 421                 if (maxWidth<eachWidth[i]) maxWidth = eachWidth[i];
 422                 if (maxHeight<eachHeight[i]) maxHeight = eachHeight[i];
 423                 }
 424
 425         totHeight = GetRowCount() * (maxHeight + charHeight/2) + charHeight*3/2;
 426         totWidth  = GetColumnCount() * (maxWidth + charWidth) + charWidth;
 427
 428     // only change our width/height if asked for
 429     if ( width == -1 )
 430     {
 431         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
 432             width = totWidth ;
 433         else
 434             width = widthOld;
 435     }
 436
 437     if ( height == -1 )
 438     {
 439         if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
 440             height = totHeight ;
 441         else
 442             height = heightOld;
 443     }
 444
 445         wxControl::DoSetSize(x_offset,y_offset,width,height,wxSIZE_AUTO);
 446
 447 // arrange radiobuttons
 448
 449         int x_start,y_start;
 450
 451
 452         x_start = charWidth;
 453         y_start = 15 ;
 454         x_offset = x_start;
 455         y_offset = y_start;
 456
 457         current=m_radioButtonCycle;
 458         for ( i = 0 ; i < m_noItems; i++)
 459                 {
 460                 if (i&&((i%m_majorDim)==0)) // not to do for the zero button!
 461                 {
 462                 if (m_windowStyle & wxRA_VERTICAL)
 463                         {
 464                             x_offset += maxWidth + charWidth;
 465                         y_offset = y_start;
 466                                 }
 467                 else
 468                         {
 469                                 x_offset = x_start;
 470                         y_offset += maxHeight ; /*+ charHeight/2;*/
 471                                 }
 472                         }
 473
 474                 current->SetSize(x_offset,y_offset,eachWidth[i],eachHeight[i]);
 475                 current=current->NextInCycle();
 476
 477                 if (m_windowStyle & wxRA_SPECIFY_ROWS)
 478                         y_offset += maxHeight ; /*+ charHeight/2;*/
 479                 else
 480                         x_offset += maxWidth + charWidth;
 481                 }
 482 }
 483
 484 //-------------------------------------------------------------------------------------
 485 //              ¥ GetNumVer
 486 //-------------------------------------------------------------------------------------
 487 // return the number of buttons in the vertical direction
 488
 489 int wxRadioBox::GetRowCount() const
 490 {
 491     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 492     {
 493         return m_majorDim;
 494     }
 495     else
 496     {
 497         return (m_noItems + m_majorDim - 1)/m_majorDim;
 498     }
 499 }
 500
 501 //-------------------------------------------------------------------------------------
 502 //              ¥ GetNumHor
 503 //-------------------------------------------------------------------------------------
 504 // return the number of buttons in the horizontal direction
 505
 506 int wxRadioBox::GetColumnCount() const
 507 {
 508     if ( m_windowStyle & wxRA_SPECIFY_ROWS )
 509     {
 510         return (m_noItems + m_majorDim - 1)/m_majorDim;
 511     }
 512     else
 513     {
 514         return m_majorDim;
 515     }
 516 }
 517
 518
 519
 520
 521