| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/osx/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 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_RADIOBOX |
| 15 | |
| 16 | #include "wx/radiobox.h" |
| 17 | |
| 18 | #ifndef WX_PRECOMP |
| 19 | #include "wx/radiobut.h" |
| 20 | #include "wx/arrstr.h" |
| 21 | #endif |
| 22 | |
| 23 | #include "wx/osx/private.h" |
| 24 | |
| 25 | IMPLEMENT_DYNAMIC_CLASS(wxRadioBox, wxControl) |
| 26 | |
| 27 | |
| 28 | BEGIN_EVENT_TABLE(wxRadioBox, wxControl) |
| 29 | EVT_RADIOBUTTON( wxID_ANY , wxRadioBox::OnRadioButton ) |
| 30 | END_EVENT_TABLE() |
| 31 | |
| 32 | |
| 33 | void wxRadioBox::OnRadioButton( wxCommandEvent &outer ) |
| 34 | { |
| 35 | if ( outer.IsChecked() ) |
| 36 | { |
| 37 | wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, m_windowId ); |
| 38 | int i = GetSelection() ; |
| 39 | event.SetInt(i); |
| 40 | event.SetString(GetString(i)); |
| 41 | event.SetEventObject( this ); |
| 42 | ProcessCommand(event); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | wxRadioBox::wxRadioBox() |
| 47 | { |
| 48 | m_noItems = 0; |
| 49 | m_noRowsOrCols = 0; |
| 50 | m_radioButtonCycle = NULL; |
| 51 | } |
| 52 | |
| 53 | wxRadioBox::~wxRadioBox() |
| 54 | { |
| 55 | m_isBeingDeleted = true; |
| 56 | |
| 57 | wxRadioButton *next, *current; |
| 58 | |
| 59 | current = m_radioButtonCycle->NextInCycle(); |
| 60 | if (current != NULL) |
| 61 | { |
| 62 | while (current != m_radioButtonCycle) |
| 63 | { |
| 64 | next = current->NextInCycle(); |
| 65 | delete current; |
| 66 | |
| 67 | current = next; |
| 68 | } |
| 69 | |
| 70 | delete current; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | // Create the radiobox for two-step construction |
| 75 | |
| 76 | bool wxRadioBox::Create( wxWindow *parent, |
| 77 | wxWindowID id, const wxString& label, |
| 78 | const wxPoint& pos, const wxSize& size, |
| 79 | const wxArrayString& choices, |
| 80 | int majorDim, long style, |
| 81 | const wxValidator& val, const wxString& name ) |
| 82 | { |
| 83 | wxCArrayString chs(choices); |
| 84 | |
| 85 | return Create( |
| 86 | parent, id, label, pos, size, chs.GetCount(), |
| 87 | chs.GetStrings(), majorDim, style, val, name); |
| 88 | } |
| 89 | |
| 90 | bool wxRadioBox::Create( wxWindow *parent, |
| 91 | 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 | m_macIsUserPane = false ; |
| 98 | |
| 99 | if ( !wxControl::Create( parent, id, pos, size, style, val, name ) ) |
| 100 | return false; |
| 101 | |
| 102 | int i; |
| 103 | |
| 104 | m_noItems = (unsigned int)n; |
| 105 | m_noRowsOrCols = majorDim; |
| 106 | m_radioButtonCycle = NULL; |
| 107 | |
| 108 | SetMajorDim( majorDim == 0 ? n : majorDim, style ); |
| 109 | |
| 110 | m_labelOrig = m_label = label; |
| 111 | |
| 112 | m_peer = wxWidgetImpl::CreateGroupBox( this, parent, id, label, pos, size, style, GetExtraStyle() ); |
| 113 | |
| 114 | for (i = 0; i < n; i++) |
| 115 | { |
| 116 | wxRadioButton *radBtn = new wxRadioButton( |
| 117 | this, |
| 118 | wxID_ANY, |
| 119 | GetLabelText(choices[i]), |
| 120 | wxPoint( 5, 20 * i + 10 ), |
| 121 | wxDefaultSize, |
| 122 | i == 0 ? wxRB_GROUP : 0 ); |
| 123 | |
| 124 | if ( i == 0 ) |
| 125 | m_radioButtonCycle = radBtn; |
| 126 | // m_radioButtonCycle = radBtn->AddInCycle( m_radioButtonCycle ); |
| 127 | } |
| 128 | |
| 129 | SetSelection( 0 ); |
| 130 | MacPostControlCreate( pos, size ); |
| 131 | |
| 132 | return true; |
| 133 | } |
| 134 | |
| 135 | // Enables or disables the entire radiobox |
| 136 | // |
| 137 | bool wxRadioBox::Enable(bool enable) |
| 138 | { |
| 139 | wxRadioButton *current; |
| 140 | |
| 141 | if (!wxControl::Enable( enable )) |
| 142 | return false; |
| 143 | |
| 144 | current = m_radioButtonCycle; |
| 145 | for (unsigned int i = 0; i < m_noItems; i++) |
| 146 | { |
| 147 | current->Enable( enable ); |
| 148 | current = current->NextInCycle(); |
| 149 | } |
| 150 | |
| 151 | return true; |
| 152 | } |
| 153 | |
| 154 | // Enables or disables an given button |
| 155 | // |
| 156 | bool wxRadioBox::Enable(unsigned int item, bool enable) |
| 157 | { |
| 158 | if (!IsValid( item )) |
| 159 | return false; |
| 160 | |
| 161 | unsigned int i = 0; |
| 162 | wxRadioButton *current = m_radioButtonCycle; |
| 163 | while (i != item) |
| 164 | { |
| 165 | i++; |
| 166 | current = current->NextInCycle(); |
| 167 | } |
| 168 | |
| 169 | return current->Enable( enable ); |
| 170 | } |
| 171 | |
| 172 | bool wxRadioBox::IsItemEnabled(unsigned int item) const |
| 173 | { |
| 174 | if (!IsValid( item )) |
| 175 | return false; |
| 176 | |
| 177 | unsigned int i = 0; |
| 178 | wxRadioButton *current = m_radioButtonCycle; |
| 179 | while (i != item) |
| 180 | { |
| 181 | i++; |
| 182 | current = current->NextInCycle(); |
| 183 | } |
| 184 | |
| 185 | return current->IsEnabled(); |
| 186 | } |
| 187 | |
| 188 | // Returns the radiobox label |
| 189 | // |
| 190 | wxString wxRadioBox::GetLabel() const |
| 191 | { |
| 192 | return wxControl::GetLabel(); |
| 193 | } |
| 194 | |
| 195 | // Returns the label for the given button |
| 196 | // |
| 197 | wxString wxRadioBox::GetString(unsigned int item) const |
| 198 | { |
| 199 | wxRadioButton *current; |
| 200 | |
| 201 | if (!IsValid( item )) |
| 202 | return wxEmptyString; |
| 203 | |
| 204 | unsigned int i = 0; |
| 205 | current = m_radioButtonCycle; |
| 206 | while (i != item) |
| 207 | { |
| 208 | i++; |
| 209 | current = current->NextInCycle(); |
| 210 | } |
| 211 | |
| 212 | return current->GetLabel(); |
| 213 | } |
| 214 | |
| 215 | // Returns the zero-based position of the selected button |
| 216 | // |
| 217 | int wxRadioBox::GetSelection() const |
| 218 | { |
| 219 | int i; |
| 220 | wxRadioButton *current; |
| 221 | |
| 222 | i = 0; |
| 223 | current = m_radioButtonCycle; |
| 224 | while (!current->GetValue()) |
| 225 | { |
| 226 | i++; |
| 227 | current = current->NextInCycle(); |
| 228 | } |
| 229 | |
| 230 | return i; |
| 231 | } |
| 232 | |
| 233 | // Sets the radiobox label |
| 234 | // |
| 235 | void wxRadioBox::SetLabel(const wxString& label) |
| 236 | { |
| 237 | return wxControl::SetLabel( label ); |
| 238 | } |
| 239 | |
| 240 | // Sets the label of a given button |
| 241 | // |
| 242 | void wxRadioBox::SetString(unsigned int item,const wxString& label) |
| 243 | { |
| 244 | if (!IsValid( item )) |
| 245 | return; |
| 246 | |
| 247 | unsigned int i = 0; |
| 248 | wxRadioButton *current = m_radioButtonCycle; |
| 249 | while (i != item) |
| 250 | { |
| 251 | i++; |
| 252 | current = current->NextInCycle(); |
| 253 | } |
| 254 | |
| 255 | return current->SetLabel( label ); |
| 256 | } |
| 257 | |
| 258 | // Sets a button by passing the desired position. This does not cause |
| 259 | // wxEVT_COMMAND_RADIOBOX_SELECTED event to get emitted |
| 260 | // |
| 261 | void wxRadioBox::SetSelection(int item) |
| 262 | { |
| 263 | int i; |
| 264 | wxRadioButton *current; |
| 265 | |
| 266 | if (!IsValid( item )) |
| 267 | return; |
| 268 | |
| 269 | i = 0; |
| 270 | current = m_radioButtonCycle; |
| 271 | while (i != item) |
| 272 | { |
| 273 | i++; |
| 274 | current = current->NextInCycle(); |
| 275 | } |
| 276 | |
| 277 | current->SetValue( true ); |
| 278 | } |
| 279 | |
| 280 | // Shows or hides the entire radiobox |
| 281 | // |
| 282 | bool wxRadioBox::Show(bool show) |
| 283 | { |
| 284 | wxRadioButton *current; |
| 285 | |
| 286 | current = m_radioButtonCycle; |
| 287 | for (unsigned int i=0; i<m_noItems; i++) |
| 288 | { |
| 289 | current->Show( show ); |
| 290 | current = current->NextInCycle(); |
| 291 | } |
| 292 | |
| 293 | wxControl::Show( show ); |
| 294 | |
| 295 | return true; |
| 296 | } |
| 297 | |
| 298 | // Shows or hides the given button |
| 299 | // |
| 300 | bool wxRadioBox::Show(unsigned int item, bool show) |
| 301 | { |
| 302 | if (!IsValid( item )) |
| 303 | return false; |
| 304 | |
| 305 | unsigned int i = 0; |
| 306 | wxRadioButton *current = m_radioButtonCycle; |
| 307 | while (i != item) |
| 308 | { |
| 309 | i++; |
| 310 | current = current->NextInCycle(); |
| 311 | } |
| 312 | |
| 313 | return current->Show( show ); |
| 314 | } |
| 315 | |
| 316 | bool wxRadioBox::IsItemShown(unsigned int item) const |
| 317 | { |
| 318 | if (!IsValid( item )) |
| 319 | return false; |
| 320 | |
| 321 | unsigned int i = 0; |
| 322 | wxRadioButton *current = m_radioButtonCycle; |
| 323 | while (i != item) |
| 324 | { |
| 325 | i++; |
| 326 | current = current->NextInCycle(); |
| 327 | } |
| 328 | |
| 329 | return current->IsShown(); |
| 330 | } |
| 331 | |
| 332 | |
| 333 | // Simulates the effect of the user issuing a command to the item |
| 334 | // |
| 335 | void wxRadioBox::Command( wxCommandEvent& event ) |
| 336 | { |
| 337 | SetSelection( event.GetInt() ); |
| 338 | ProcessCommand( event ); |
| 339 | } |
| 340 | |
| 341 | // Sets the selected button to receive keyboard input |
| 342 | // |
| 343 | void wxRadioBox::SetFocus() |
| 344 | { |
| 345 | wxRadioButton *current; |
| 346 | |
| 347 | current = m_radioButtonCycle; |
| 348 | while (!current->GetValue()) |
| 349 | { |
| 350 | current = current->NextInCycle(); |
| 351 | } |
| 352 | |
| 353 | current->SetFocus(); |
| 354 | } |
| 355 | |
| 356 | // Simulates the effect of the user issuing a command to the item |
| 357 | // |
| 358 | #define RADIO_SIZE 20 |
| 359 | |
| 360 | void wxRadioBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) |
| 361 | { |
| 362 | int i; |
| 363 | wxRadioButton *current; |
| 364 | |
| 365 | // define the position |
| 366 | |
| 367 | int x_current, y_current; |
| 368 | int x_offset, y_offset; |
| 369 | int widthOld, heightOld; |
| 370 | |
| 371 | GetSize( &widthOld, &heightOld ); |
| 372 | GetPosition( &x_current, &y_current ); |
| 373 | |
| 374 | x_offset = x; |
| 375 | y_offset = y; |
| 376 | if (!(sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) |
| 377 | { |
| 378 | if (x == wxDefaultCoord) |
| 379 | x_offset = x_current; |
| 380 | if (y == wxDefaultCoord) |
| 381 | y_offset = y_current; |
| 382 | } |
| 383 | |
| 384 | // define size |
| 385 | int charWidth, charHeight; |
| 386 | int maxWidth, maxHeight; |
| 387 | int eachWidth[128], eachHeight[128]; |
| 388 | int totWidth, totHeight; |
| 389 | |
| 390 | GetTextExtent( |
| 391 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), |
| 392 | &charWidth, &charHeight ); |
| 393 | |
| 394 | charWidth /= 52; |
| 395 | |
| 396 | maxWidth = -1; |
| 397 | maxHeight = -1; |
| 398 | for (unsigned int i = 0 ; i < m_noItems; i++) |
| 399 | { |
| 400 | GetTextExtent(GetString(i), &eachWidth[i], &eachHeight[i] ); |
| 401 | eachWidth[i] = (int)(eachWidth[i] + RADIO_SIZE); |
| 402 | eachHeight[i] = (int)((3 * eachHeight[i]) / 2); |
| 403 | |
| 404 | if (maxWidth < eachWidth[i]) |
| 405 | maxWidth = eachWidth[i]; |
| 406 | if (maxHeight < eachHeight[i]) |
| 407 | maxHeight = eachHeight[i]; |
| 408 | } |
| 409 | |
| 410 | totHeight = GetRowCount() * maxHeight; |
| 411 | totWidth = GetColumnCount() * (maxWidth + charWidth); |
| 412 | |
| 413 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ) ; |
| 414 | |
| 415 | // change the width / height only when specified |
| 416 | if ( width == wxDefaultCoord ) |
| 417 | { |
| 418 | if ( sizeFlags & wxSIZE_AUTO_WIDTH ) |
| 419 | width = sz.x; |
| 420 | else |
| 421 | width = widthOld; |
| 422 | } |
| 423 | |
| 424 | if ( height == wxDefaultCoord ) |
| 425 | { |
| 426 | if ( sizeFlags & wxSIZE_AUTO_HEIGHT ) |
| 427 | height = sz.y; |
| 428 | else |
| 429 | height = heightOld; |
| 430 | } |
| 431 | |
| 432 | wxControl::DoSetSize( x_offset, y_offset, width, height, wxSIZE_AUTO ); |
| 433 | |
| 434 | // arrange radio buttons |
| 435 | int x_start, y_start; |
| 436 | |
| 437 | x_start = 0; |
| 438 | y_start = 0; |
| 439 | |
| 440 | x_offset = x_start; |
| 441 | y_offset = y_start; |
| 442 | |
| 443 | current = m_radioButtonCycle; |
| 444 | for (i = 0 ; i < (int)m_noItems; i++) |
| 445 | { |
| 446 | // not to do for the zero button! |
| 447 | if ((i > 0) && ((i % GetMajorDim()) == 0)) |
| 448 | { |
| 449 | if (m_windowStyle & wxRA_SPECIFY_ROWS) |
| 450 | { |
| 451 | x_offset += maxWidth + charWidth; |
| 452 | y_offset = y_start; |
| 453 | } |
| 454 | else |
| 455 | { |
| 456 | x_offset = x_start; |
| 457 | y_offset += maxHeight ; //+ charHeight / 2 |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | current->SetSize( x_offset, y_offset, eachWidth[i], eachHeight[i]); |
| 462 | current = current->NextInCycle(); |
| 463 | |
| 464 | if (m_windowStyle & wxRA_SPECIFY_ROWS) |
| 465 | y_offset += maxHeight ; // + charHeight / 2 |
| 466 | else |
| 467 | x_offset += maxWidth + charWidth; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | wxSize wxRadioBox::DoGetBestSize() const |
| 472 | { |
| 473 | int charWidth, charHeight; |
| 474 | int maxWidth, maxHeight; |
| 475 | int eachWidth, eachHeight; |
| 476 | int totWidth, totHeight; |
| 477 | |
| 478 | wxFont font = GetFont(); // GetParent()->GetFont() |
| 479 | GetTextExtent( |
| 480 | wxT("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), |
| 481 | &charWidth, &charHeight, NULL, NULL, &font ); |
| 482 | |
| 483 | charWidth /= 52; |
| 484 | |
| 485 | maxWidth = -1; |
| 486 | maxHeight = -1; |
| 487 | |
| 488 | for (unsigned int i = 0 ; i < m_noItems; i++) |
| 489 | { |
| 490 | GetTextExtent(GetString(i), &eachWidth, &eachHeight, NULL, NULL, &font ); |
| 491 | eachWidth = (int)(eachWidth + RADIO_SIZE); |
| 492 | eachHeight = (int)((3 * eachHeight) / 2); |
| 493 | if (maxWidth < eachWidth) |
| 494 | maxWidth = eachWidth; |
| 495 | if (maxHeight < eachHeight) |
| 496 | maxHeight = eachHeight; |
| 497 | } |
| 498 | |
| 499 | totHeight = GetRowCount() * maxHeight; |
| 500 | totWidth = GetColumnCount() * (maxWidth + charWidth); |
| 501 | |
| 502 | wxSize sz = DoGetSizeFromClientSize( wxSize( totWidth, totHeight ) ); |
| 503 | totWidth = sz.x; |
| 504 | totHeight = sz.y; |
| 505 | |
| 506 | // handle radio box title as well |
| 507 | GetTextExtent( GetLabel(), &eachWidth, NULL ); |
| 508 | eachWidth = (int)(eachWidth + RADIO_SIZE) + 3 * charWidth; |
| 509 | if (totWidth < eachWidth) |
| 510 | totWidth = eachWidth; |
| 511 | |
| 512 | return wxSize( totWidth, totHeight ); |
| 513 | } |
| 514 | |
| 515 | #endif // wxUSE_RADIOBOX |