| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: sizer.cpp |
| 3 | // Purpose: provide new wxSizer class for layout |
| 4 | // Author: Robert Roebling and Robin Dunn, contributions by |
| 5 | // Dirk Holtwick, Ron Lee |
| 6 | // Modified by: Ron Lee |
| 7 | // Created: |
| 8 | // RCS-ID: $Id$ |
| 9 | // Copyright: (c) Robin Dunn, Robert Roebling |
| 10 | // Licence: wxWindows licence |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | #ifdef __GNUG__ |
| 14 | #pragma implementation "sizer.h" |
| 15 | #endif |
| 16 | |
| 17 | // For compilers that support precompilation, includes "wx.h". |
| 18 | #include "wx/wxprec.h" |
| 19 | |
| 20 | #ifdef __BORLANDC__ |
| 21 | #pragma hdrstop |
| 22 | #endif |
| 23 | |
| 24 | #include "wx/sizer.h" |
| 25 | #include "wx/utils.h" |
| 26 | #include "wx/statbox.h" |
| 27 | #include "wx/notebook.h" |
| 28 | #include <wx/listimpl.cpp> |
| 29 | |
| 30 | //--------------------------------------------------------------------------- |
| 31 | |
| 32 | IMPLEMENT_CLASS(wxSizerItem, wxObject) |
| 33 | IMPLEMENT_CLASS(wxSizer, wxObject) |
| 34 | IMPLEMENT_CLASS(wxGridSizer, wxSizer) |
| 35 | IMPLEMENT_CLASS(wxFlexGridSizer, wxGridSizer) |
| 36 | IMPLEMENT_CLASS(wxBoxSizer, wxSizer) |
| 37 | #if wxUSE_STATBOX |
| 38 | IMPLEMENT_CLASS(wxStaticBoxSizer, wxBoxSizer) |
| 39 | #endif |
| 40 | #if wxUSE_NOTEBOOK |
| 41 | IMPLEMENT_CLASS(wxNotebookSizer, wxSizer) |
| 42 | #endif |
| 43 | |
| 44 | WX_DEFINE_EXPORTED_LIST( wxSizerItemList ); |
| 45 | |
| 46 | |
| 47 | //--------------------------------------------------------------------------- |
| 48 | // wxSizerItem |
| 49 | //--------------------------------------------------------------------------- |
| 50 | |
| 51 | wxSizerItem::wxSizerItem( int width, int height, int proportion, int flag, int border, wxObject* userData ) |
| 52 | : m_window( NULL ) |
| 53 | , m_sizer( NULL ) |
| 54 | , m_size( wxSize( width, height ) ) // size is set directly |
| 55 | , m_minSize( m_size ) // minimal size is the initial size |
| 56 | , m_proportion( proportion ) |
| 57 | , m_border( border ) |
| 58 | , m_flag( flag ) |
| 59 | , m_show( true ) |
| 60 | , m_userData( userData ) |
| 61 | { |
| 62 | SetRatio( m_size ); |
| 63 | } |
| 64 | |
| 65 | wxSizerItem::wxSizerItem( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) |
| 66 | : m_window( window ) |
| 67 | , m_sizer( NULL ) |
| 68 | , m_minSize( window->GetSize() ) // minimal size is the initial size |
| 69 | , m_proportion( proportion ) |
| 70 | , m_border( border ) |
| 71 | , m_flag( flag ) |
| 72 | , m_show( true ) |
| 73 | , m_userData( userData ) |
| 74 | { |
| 75 | // aspect ratio calculated from initial size |
| 76 | SetRatio( m_minSize ); |
| 77 | |
| 78 | // m_size is calculated later |
| 79 | } |
| 80 | |
| 81 | wxSizerItem::wxSizerItem( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) |
| 82 | : m_window( NULL ) |
| 83 | , m_sizer( sizer ) |
| 84 | , m_proportion( proportion ) |
| 85 | , m_border( border ) |
| 86 | , m_flag( flag ) |
| 87 | , m_show( true ) |
| 88 | , m_ratio( 0.0 ) |
| 89 | , m_userData( userData ) |
| 90 | { |
| 91 | // m_minSize is calculated later |
| 92 | // m_size is calculated later |
| 93 | } |
| 94 | |
| 95 | wxSizerItem::~wxSizerItem() |
| 96 | { |
| 97 | delete m_userData; |
| 98 | |
| 99 | if ( m_window ) |
| 100 | { |
| 101 | m_window->SetContainingSizer(NULL); |
| 102 | } |
| 103 | else // we must be a sizer |
| 104 | { |
| 105 | delete m_sizer; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | |
| 110 | wxSize wxSizerItem::GetSize() const |
| 111 | { |
| 112 | wxSize ret; |
| 113 | if (IsSizer()) |
| 114 | ret = m_sizer->GetSize(); |
| 115 | else |
| 116 | if (IsWindow()) |
| 117 | ret = m_window->GetSize(); |
| 118 | else ret = m_size; |
| 119 | |
| 120 | if (m_flag & wxWEST) |
| 121 | ret.x += m_border; |
| 122 | if (m_flag & wxEAST) |
| 123 | ret.x += m_border; |
| 124 | if (m_flag & wxNORTH) |
| 125 | ret.y += m_border; |
| 126 | if (m_flag & wxSOUTH) |
| 127 | ret.y += m_border; |
| 128 | |
| 129 | return ret; |
| 130 | } |
| 131 | |
| 132 | wxSize wxSizerItem::CalcMin() |
| 133 | { |
| 134 | wxSize ret; |
| 135 | if (IsSizer()) |
| 136 | { |
| 137 | ret = m_sizer->GetMinSize(); |
| 138 | |
| 139 | // if we have to preserve aspect ratio _AND_ this is |
| 140 | // the first-time calculation, consider ret to be initial size |
| 141 | if ((m_flag & wxSHAPED) && !m_ratio) |
| 142 | SetRatio(ret); |
| 143 | } |
| 144 | else |
| 145 | { |
| 146 | if ( IsWindow() && (m_flag & wxADJUST_MINSIZE) ) |
| 147 | { |
| 148 | // By user request, keep the minimal size for this item |
| 149 | // in sync with the largest of BestSize and any user supplied |
| 150 | // minimum size hint. Useful in cases where the item is |
| 151 | // changeable -- static text labels, etc. |
| 152 | m_minSize = m_window->GetAdjustedBestSize(); |
| 153 | } |
| 154 | |
| 155 | ret = m_minSize; |
| 156 | } |
| 157 | |
| 158 | if (m_flag & wxWEST) |
| 159 | ret.x += m_border; |
| 160 | if (m_flag & wxEAST) |
| 161 | ret.x += m_border; |
| 162 | if (m_flag & wxNORTH) |
| 163 | ret.y += m_border; |
| 164 | if (m_flag & wxSOUTH) |
| 165 | ret.y += m_border; |
| 166 | |
| 167 | return ret; |
| 168 | } |
| 169 | |
| 170 | void wxSizerItem::SetDimension( wxPoint pos, wxSize size ) |
| 171 | { |
| 172 | if (m_flag & wxSHAPED) |
| 173 | { |
| 174 | // adjust aspect ratio |
| 175 | int rwidth = (int) (size.y * m_ratio); |
| 176 | if (rwidth > size.x) |
| 177 | { |
| 178 | // fit horizontally |
| 179 | int rheight = (int) (size.x / m_ratio); |
| 180 | // add vertical space |
| 181 | if (m_flag & wxALIGN_CENTER_VERTICAL) |
| 182 | pos.y += (size.y - rheight) / 2; |
| 183 | else if (m_flag & wxALIGN_BOTTOM) |
| 184 | pos.y += (size.y - rheight); |
| 185 | // use reduced dimensions |
| 186 | size.y =rheight; |
| 187 | } |
| 188 | else if (rwidth < size.x) |
| 189 | { |
| 190 | // add horizontal space |
| 191 | if (m_flag & wxALIGN_CENTER_HORIZONTAL) |
| 192 | pos.x += (size.x - rwidth) / 2; |
| 193 | else if (m_flag & wxALIGN_RIGHT) |
| 194 | pos.x += (size.x - rwidth); |
| 195 | size.x = rwidth; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | // This is what GetPosition() returns. Since we calculate |
| 200 | // borders afterwards, GetPosition() will be the left/top |
| 201 | // corner of the surrounding border. |
| 202 | m_pos = pos; |
| 203 | |
| 204 | if (m_flag & wxWEST) |
| 205 | { |
| 206 | pos.x += m_border; |
| 207 | size.x -= m_border; |
| 208 | } |
| 209 | if (m_flag & wxEAST) |
| 210 | { |
| 211 | size.x -= m_border; |
| 212 | } |
| 213 | if (m_flag & wxNORTH) |
| 214 | { |
| 215 | pos.y += m_border; |
| 216 | size.y -= m_border; |
| 217 | } |
| 218 | if (m_flag & wxSOUTH) |
| 219 | { |
| 220 | size.y -= m_border; |
| 221 | } |
| 222 | |
| 223 | if (IsSizer()) |
| 224 | m_sizer->SetDimension( pos.x, pos.y, size.x, size.y ); |
| 225 | |
| 226 | if (IsWindow()) |
| 227 | m_window->SetSize( pos.x, pos.y, size.x, size.y, wxSIZE_ALLOW_MINUS_ONE ); |
| 228 | |
| 229 | m_size = size; |
| 230 | } |
| 231 | |
| 232 | void wxSizerItem::DeleteWindows() |
| 233 | { |
| 234 | if (m_window) |
| 235 | m_window->Destroy(); |
| 236 | |
| 237 | if (m_sizer) |
| 238 | m_sizer->DeleteWindows(); |
| 239 | } |
| 240 | |
| 241 | bool wxSizerItem::IsWindow() const |
| 242 | { |
| 243 | return (m_window != NULL); |
| 244 | } |
| 245 | |
| 246 | bool wxSizerItem::IsSizer() const |
| 247 | { |
| 248 | return (m_sizer != NULL); |
| 249 | } |
| 250 | |
| 251 | bool wxSizerItem::IsSpacer() const |
| 252 | { |
| 253 | return (m_window == NULL) && (m_sizer == NULL); |
| 254 | } |
| 255 | |
| 256 | void wxSizerItem::Show( bool show ) |
| 257 | { |
| 258 | m_show = show; |
| 259 | |
| 260 | if( IsWindow() ) |
| 261 | m_window->Show( show ); |
| 262 | else if( IsSizer() ) |
| 263 | m_sizer->ShowItems( show ); |
| 264 | |
| 265 | // ... nothing else to do to hide/show spacers |
| 266 | } |
| 267 | |
| 268 | void wxSizerItem::SetOption( int option ) |
| 269 | { |
| 270 | SetProportion( option ); |
| 271 | } |
| 272 | |
| 273 | int wxSizerItem::GetOption() const |
| 274 | { |
| 275 | return GetProportion(); |
| 276 | } |
| 277 | |
| 278 | |
| 279 | //--------------------------------------------------------------------------- |
| 280 | // wxSizer |
| 281 | //--------------------------------------------------------------------------- |
| 282 | |
| 283 | wxSizer::wxSizer() |
| 284 | : m_minSize( wxSize( 0, 0 ) ) |
| 285 | { |
| 286 | } |
| 287 | |
| 288 | wxSizer::~wxSizer() |
| 289 | { |
| 290 | WX_CLEAR_LIST(wxSizerItemList, m_children); |
| 291 | } |
| 292 | |
| 293 | void wxSizer::Add( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) |
| 294 | { |
| 295 | m_children.Append( new wxSizerItem( window, proportion, flag, border, userData ) ); |
| 296 | window->SetContainingSizer( this ); |
| 297 | } |
| 298 | |
| 299 | void wxSizer::Add( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) |
| 300 | { |
| 301 | m_children.Append( new wxSizerItem( sizer, proportion, flag, border, userData ) ); |
| 302 | } |
| 303 | |
| 304 | void wxSizer::Add( int width, int height, int proportion, int flag, int border, wxObject* userData ) |
| 305 | { |
| 306 | m_children.Append( new wxSizerItem( width, height, proportion, flag, border, userData ) ); |
| 307 | } |
| 308 | |
| 309 | void wxSizer::Add( wxSizerItem *item ) |
| 310 | { |
| 311 | m_children.Append( item ); |
| 312 | |
| 313 | if( item->GetWindow() ) |
| 314 | item->GetWindow()->SetContainingSizer( this ); |
| 315 | } |
| 316 | |
| 317 | void wxSizer::Prepend( wxWindow *window, int proportion, int flag, int border, wxObject* userData ) |
| 318 | { |
| 319 | m_children.Insert( new wxSizerItem( window, proportion, flag, border, userData ) ); |
| 320 | window->SetContainingSizer( this ); |
| 321 | } |
| 322 | |
| 323 | void wxSizer::Prepend( wxSizer *sizer, int proportion, int flag, int border, wxObject* userData ) |
| 324 | { |
| 325 | m_children.Insert( new wxSizerItem( sizer, proportion, flag, border, userData ) ); |
| 326 | } |
| 327 | |
| 328 | void wxSizer::Prepend( int width, int height, int proportion, int flag, int border, wxObject* userData ) |
| 329 | { |
| 330 | m_children.Insert( new wxSizerItem( width, height, proportion, flag, border, userData ) ); |
| 331 | } |
| 332 | |
| 333 | void wxSizer::Prepend( wxSizerItem *item ) |
| 334 | { |
| 335 | m_children.Insert( item ); |
| 336 | |
| 337 | if( item->GetWindow() ) |
| 338 | item->GetWindow()->SetContainingSizer( this ); |
| 339 | } |
| 340 | |
| 341 | void wxSizer::Insert( size_t index, |
| 342 | wxWindow *window, |
| 343 | int proportion, |
| 344 | int flag, |
| 345 | int border, |
| 346 | wxObject* userData ) |
| 347 | { |
| 348 | m_children.Insert( index, |
| 349 | new wxSizerItem( window, proportion, flag, border, userData ) ); |
| 350 | window->SetContainingSizer( this ); |
| 351 | } |
| 352 | |
| 353 | void wxSizer::Insert( size_t index, |
| 354 | wxSizer *sizer, |
| 355 | int proportion, |
| 356 | int flag, |
| 357 | int border, |
| 358 | wxObject* userData ) |
| 359 | { |
| 360 | m_children.Insert( index, |
| 361 | new wxSizerItem( sizer, proportion, flag, border, userData ) ); |
| 362 | } |
| 363 | |
| 364 | void wxSizer::Insert( size_t index, |
| 365 | int width, |
| 366 | int height, |
| 367 | int proportion, |
| 368 | int flag, |
| 369 | int border, |
| 370 | wxObject* userData ) |
| 371 | { |
| 372 | m_children.Insert( index, |
| 373 | new wxSizerItem( width, height, proportion, flag, border, userData ) ); |
| 374 | } |
| 375 | |
| 376 | void wxSizer::Insert( size_t index, wxSizerItem *item ) |
| 377 | { |
| 378 | m_children.Insert( index, item ); |
| 379 | |
| 380 | if( item->GetWindow() ) |
| 381 | item->GetWindow()->SetContainingSizer( this ); |
| 382 | } |
| 383 | |
| 384 | bool wxSizer::Remove( wxWindow *window ) |
| 385 | { |
| 386 | return Detach( window ); |
| 387 | } |
| 388 | |
| 389 | bool wxSizer::Remove( wxSizer *sizer ) |
| 390 | { |
| 391 | wxASSERT_MSG( sizer, _T("Removing NULL sizer") ); |
| 392 | |
| 393 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 394 | while (node) |
| 395 | { |
| 396 | wxSizerItem *item = node->GetData(); |
| 397 | |
| 398 | if (item->GetSizer() == sizer) |
| 399 | { |
| 400 | delete item; |
| 401 | m_children.Erase( node ); |
| 402 | return true; |
| 403 | } |
| 404 | |
| 405 | node = node->GetNext(); |
| 406 | } |
| 407 | |
| 408 | return false; |
| 409 | } |
| 410 | |
| 411 | bool wxSizer::Remove( int index ) |
| 412 | { |
| 413 | wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), |
| 414 | false, |
| 415 | _T("Remove index is out of range") ); |
| 416 | |
| 417 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 418 | |
| 419 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 420 | |
| 421 | wxSizerItem *item = node->GetData(); |
| 422 | |
| 423 | if( item->IsWindow() ) |
| 424 | item->GetWindow()->SetContainingSizer( NULL ); |
| 425 | |
| 426 | delete item; |
| 427 | m_children.Erase( node ); |
| 428 | return true; |
| 429 | } |
| 430 | |
| 431 | bool wxSizer::Detach( wxSizer *sizer ) |
| 432 | { |
| 433 | wxASSERT_MSG( sizer, _T("Detaching NULL sizer") ); |
| 434 | |
| 435 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 436 | while (node) |
| 437 | { |
| 438 | wxSizerItem *item = node->GetData(); |
| 439 | |
| 440 | if (item->GetSizer() == sizer) |
| 441 | { |
| 442 | item->DetachSizer(); |
| 443 | delete item; |
| 444 | m_children.Erase( node ); |
| 445 | return true; |
| 446 | } |
| 447 | node = node->GetNext(); |
| 448 | } |
| 449 | |
| 450 | return false; |
| 451 | } |
| 452 | |
| 453 | bool wxSizer::Detach( wxWindow *window ) |
| 454 | { |
| 455 | wxASSERT_MSG( window, _T("Detaching NULL window") ); |
| 456 | |
| 457 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 458 | while (node) |
| 459 | { |
| 460 | wxSizerItem *item = node->GetData(); |
| 461 | |
| 462 | if (item->GetWindow() == window) |
| 463 | { |
| 464 | item->GetWindow()->SetContainingSizer( NULL ); |
| 465 | delete item; |
| 466 | m_children.Erase( node ); |
| 467 | return true; |
| 468 | } |
| 469 | node = node->GetNext(); |
| 470 | } |
| 471 | |
| 472 | return false; |
| 473 | } |
| 474 | |
| 475 | bool wxSizer::Detach( int index ) |
| 476 | { |
| 477 | wxCHECK_MSG( index >= 0 && (size_t)index < m_children.GetCount(), |
| 478 | false, |
| 479 | _T("Detach index is out of range") ); |
| 480 | |
| 481 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 482 | |
| 483 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 484 | |
| 485 | wxSizerItem *item = node->GetData(); |
| 486 | |
| 487 | if( item->IsSizer() ) |
| 488 | item->DetachSizer(); |
| 489 | else if( item->IsWindow() ) |
| 490 | item->GetWindow()->SetContainingSizer( NULL ); |
| 491 | |
| 492 | delete item; |
| 493 | m_children.Erase( node ); |
| 494 | return true; |
| 495 | } |
| 496 | |
| 497 | void wxSizer::Clear( bool delete_windows ) |
| 498 | { |
| 499 | // First clear the ContainingSizer pointers |
| 500 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 501 | while (node) |
| 502 | { |
| 503 | wxSizerItem *item = node->GetData(); |
| 504 | |
| 505 | if (item->IsWindow()) |
| 506 | item->GetWindow()->SetContainingSizer( NULL ); |
| 507 | node = node->GetNext(); |
| 508 | } |
| 509 | |
| 510 | // Destroy the windows if needed |
| 511 | if (delete_windows) |
| 512 | DeleteWindows(); |
| 513 | |
| 514 | // Now empty the list |
| 515 | WX_CLEAR_LIST(wxSizerItemList, m_children); |
| 516 | } |
| 517 | |
| 518 | void wxSizer::DeleteWindows() |
| 519 | { |
| 520 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 521 | while (node) |
| 522 | { |
| 523 | wxSizerItem *item = node->GetData(); |
| 524 | |
| 525 | item->DeleteWindows(); |
| 526 | node = node->GetNext(); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | wxSize wxSizer::Fit( wxWindow *window ) |
| 531 | { |
| 532 | wxSize size; |
| 533 | if (window->IsTopLevel()) |
| 534 | size = FitSize( window ); |
| 535 | else |
| 536 | size = GetMinWindowSize( window ); |
| 537 | |
| 538 | window->SetSize( size ); |
| 539 | |
| 540 | return size; |
| 541 | } |
| 542 | |
| 543 | void wxSizer::FitInside( wxWindow *window ) |
| 544 | { |
| 545 | wxSize size; |
| 546 | if (window->IsTopLevel()) |
| 547 | size = VirtualFitSize( window ); |
| 548 | else |
| 549 | size = GetMinClientSize( window ); |
| 550 | |
| 551 | window->SetVirtualSize( size ); |
| 552 | } |
| 553 | |
| 554 | void wxSizer::Layout() |
| 555 | { |
| 556 | CalcMin(); |
| 557 | RecalcSizes(); |
| 558 | } |
| 559 | |
| 560 | void wxSizer::SetSizeHints( wxWindow *window ) |
| 561 | { |
| 562 | // Preserve the window's max size hints, but set the |
| 563 | // lower bound according to the sizer calculations. |
| 564 | |
| 565 | wxSize size = Fit( window ); |
| 566 | |
| 567 | window->SetSizeHints( size.x, |
| 568 | size.y, |
| 569 | window->GetMaxWidth(), |
| 570 | window->GetMaxHeight() ); |
| 571 | } |
| 572 | |
| 573 | void wxSizer::SetVirtualSizeHints( wxWindow *window ) |
| 574 | { |
| 575 | // Preserve the window's max size hints, but set the |
| 576 | // lower bound according to the sizer calculations. |
| 577 | |
| 578 | FitInside( window ); |
| 579 | wxSize size( window->GetVirtualSize() ); |
| 580 | window->SetVirtualSizeHints( size.x, |
| 581 | size.y, |
| 582 | window->GetMaxWidth(), |
| 583 | window->GetMaxHeight() ); |
| 584 | } |
| 585 | |
| 586 | wxSize wxSizer::GetMaxWindowSize( wxWindow *window ) const |
| 587 | { |
| 588 | return window->GetMaxSize(); |
| 589 | } |
| 590 | |
| 591 | wxSize wxSizer::GetMinWindowSize( wxWindow *window ) |
| 592 | { |
| 593 | wxSize minSize( GetMinSize() ); |
| 594 | wxSize size( window->GetSize() ); |
| 595 | wxSize client_size( window->GetClientSize() ); |
| 596 | |
| 597 | return wxSize( minSize.x+size.x-client_size.x, |
| 598 | minSize.y+size.y-client_size.y ); |
| 599 | } |
| 600 | |
| 601 | // Return a window size that will fit within the screens dimensions |
| 602 | wxSize wxSizer::FitSize( wxWindow *window ) |
| 603 | { |
| 604 | wxSize size = GetMinWindowSize( window ); |
| 605 | wxSize sizeMax = GetMaxWindowSize( window ); |
| 606 | |
| 607 | // Limit the size if sizeMax != wxDefaultSize |
| 608 | |
| 609 | if ( size.x > sizeMax.x && sizeMax.x != -1 ) |
| 610 | size.x = sizeMax.x; |
| 611 | if ( size.y > sizeMax.y && sizeMax.y != -1 ) |
| 612 | size.y = sizeMax.y; |
| 613 | |
| 614 | return size; |
| 615 | } |
| 616 | |
| 617 | wxSize wxSizer::GetMaxClientSize( wxWindow *window ) const |
| 618 | { |
| 619 | wxSize maxSize( window->GetMaxSize() ); |
| 620 | |
| 621 | if( maxSize != wxDefaultSize ) |
| 622 | { |
| 623 | wxSize size( window->GetSize() ); |
| 624 | wxSize client_size( window->GetClientSize() ); |
| 625 | |
| 626 | return wxSize( maxSize.x + client_size.x - size.x, |
| 627 | maxSize.y + client_size.y - size.y ); |
| 628 | } |
| 629 | else |
| 630 | return wxDefaultSize; |
| 631 | } |
| 632 | |
| 633 | wxSize wxSizer::GetMinClientSize( wxWindow *WXUNUSED(window) ) |
| 634 | { |
| 635 | return GetMinSize(); // Already returns client size. |
| 636 | } |
| 637 | |
| 638 | wxSize wxSizer::VirtualFitSize( wxWindow *window ) |
| 639 | { |
| 640 | wxSize size = GetMinClientSize( window ); |
| 641 | wxSize sizeMax = GetMaxClientSize( window ); |
| 642 | |
| 643 | // Limit the size if sizeMax != wxDefaultSize |
| 644 | |
| 645 | if ( size.x > sizeMax.x && sizeMax.x != -1 ) |
| 646 | size.x = sizeMax.x; |
| 647 | if ( size.y > sizeMax.y && sizeMax.y != -1 ) |
| 648 | size.y = sizeMax.y; |
| 649 | |
| 650 | return size; |
| 651 | } |
| 652 | |
| 653 | void wxSizer::SetDimension( int x, int y, int width, int height ) |
| 654 | { |
| 655 | m_position.x = x; |
| 656 | m_position.y = y; |
| 657 | m_size.x = width; |
| 658 | m_size.y = height; |
| 659 | Layout(); |
| 660 | } |
| 661 | |
| 662 | wxSize wxSizer::GetMinSize() |
| 663 | { |
| 664 | wxSize ret( CalcMin() ); |
| 665 | if (ret.x < m_minSize.x) ret.x = m_minSize.x; |
| 666 | if (ret.y < m_minSize.y) ret.y = m_minSize.y; |
| 667 | return ret; |
| 668 | } |
| 669 | |
| 670 | void wxSizer::DoSetMinSize( int width, int height ) |
| 671 | { |
| 672 | m_minSize.x = width; |
| 673 | m_minSize.y = height; |
| 674 | } |
| 675 | |
| 676 | bool wxSizer::DoSetItemMinSize( wxWindow *window, int width, int height ) |
| 677 | { |
| 678 | wxASSERT_MSG( window, _T("SetMinSize for NULL window") ); |
| 679 | |
| 680 | // Is it our immediate child? |
| 681 | |
| 682 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 683 | while (node) |
| 684 | { |
| 685 | wxSizerItem *item = node->GetData(); |
| 686 | |
| 687 | if (item->GetWindow() == window) |
| 688 | { |
| 689 | item->SetInitSize( width, height ); |
| 690 | return true; |
| 691 | } |
| 692 | node = node->GetNext(); |
| 693 | } |
| 694 | |
| 695 | // No? Search any subsizers we own then |
| 696 | |
| 697 | node = m_children.GetFirst(); |
| 698 | while (node) |
| 699 | { |
| 700 | wxSizerItem *item = node->GetData(); |
| 701 | |
| 702 | if ( item->GetSizer() && |
| 703 | item->GetSizer()->DoSetItemMinSize( window, width, height ) ) |
| 704 | { |
| 705 | // A child sizer found the requested windw, exit. |
| 706 | return true; |
| 707 | } |
| 708 | node = node->GetNext(); |
| 709 | } |
| 710 | |
| 711 | return false; |
| 712 | } |
| 713 | |
| 714 | bool wxSizer::DoSetItemMinSize( wxSizer *sizer, int width, int height ) |
| 715 | { |
| 716 | wxASSERT_MSG( sizer, _T("SetMinSize for NULL sizer") ); |
| 717 | |
| 718 | // Is it our immediate child? |
| 719 | |
| 720 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 721 | while (node) |
| 722 | { |
| 723 | wxSizerItem *item = node->GetData(); |
| 724 | |
| 725 | if (item->GetSizer() == sizer) |
| 726 | { |
| 727 | item->GetSizer()->DoSetMinSize( width, height ); |
| 728 | return true; |
| 729 | } |
| 730 | node = node->GetNext(); |
| 731 | } |
| 732 | |
| 733 | // No? Search any subsizers we own then |
| 734 | |
| 735 | node = m_children.GetFirst(); |
| 736 | while (node) |
| 737 | { |
| 738 | wxSizerItem *item = node->GetData(); |
| 739 | |
| 740 | if ( item->GetSizer() && |
| 741 | item->GetSizer()->DoSetItemMinSize( sizer, width, height ) ) |
| 742 | { |
| 743 | // A child found the requested sizer, exit. |
| 744 | return true; |
| 745 | } |
| 746 | node = node->GetNext(); |
| 747 | } |
| 748 | |
| 749 | return false; |
| 750 | } |
| 751 | |
| 752 | bool wxSizer::DoSetItemMinSize( size_t index, int width, int height ) |
| 753 | { |
| 754 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 755 | |
| 756 | wxCHECK_MSG( node, false, _T("Failed to find child node") ); |
| 757 | |
| 758 | wxSizerItem *item = node->GetData(); |
| 759 | |
| 760 | if (item->GetSizer()) |
| 761 | { |
| 762 | // Sizers contains the minimal size in them, if not calculated ... |
| 763 | item->GetSizer()->DoSetMinSize( width, height ); |
| 764 | } |
| 765 | else |
| 766 | { |
| 767 | // ... but the minimal size of spacers and windows in stored in them |
| 768 | item->SetInitSize( width, height ); |
| 769 | } |
| 770 | |
| 771 | return true; |
| 772 | } |
| 773 | |
| 774 | void wxSizer::Show( wxWindow *window, bool show ) |
| 775 | { |
| 776 | wxASSERT_MSG( window, _T("Show for NULL window") ); |
| 777 | |
| 778 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 779 | while (node) |
| 780 | { |
| 781 | wxSizerItem *item = node->GetData(); |
| 782 | |
| 783 | if (item->GetWindow() == window) |
| 784 | { |
| 785 | item->Show( show ); |
| 786 | break; |
| 787 | } |
| 788 | node = node->GetNext(); |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | void wxSizer::Show( wxSizer *sizer, bool show ) |
| 793 | { |
| 794 | wxASSERT_MSG( sizer, _T("Show for NULL sizer") ); |
| 795 | |
| 796 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 797 | while (node) |
| 798 | { |
| 799 | wxSizerItem *item = node->GetData(); |
| 800 | |
| 801 | if (item->GetSizer() == sizer) |
| 802 | { |
| 803 | item->Show( show ); |
| 804 | break; |
| 805 | } |
| 806 | node = node->GetNext(); |
| 807 | } |
| 808 | } |
| 809 | |
| 810 | void wxSizer::Show( size_t index, bool show ) |
| 811 | { |
| 812 | wxCHECK_RET( index < m_children.GetCount(), |
| 813 | _T("Show index is out of range") ); |
| 814 | |
| 815 | m_children.Item( index )->GetData()->Show( show ); |
| 816 | } |
| 817 | |
| 818 | void wxSizer::ShowItems( bool show ) |
| 819 | { |
| 820 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 821 | while (node) |
| 822 | { |
| 823 | node->GetData()->Show( show ); |
| 824 | node = node->GetNext(); |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | bool wxSizer::IsShown( wxWindow *window ) const |
| 829 | { |
| 830 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 831 | while (node) |
| 832 | { |
| 833 | wxSizerItem *item = node->GetData(); |
| 834 | |
| 835 | if (item->GetWindow() == window) |
| 836 | { |
| 837 | return item->IsShown(); |
| 838 | } |
| 839 | node = node->GetNext(); |
| 840 | } |
| 841 | |
| 842 | wxFAIL_MSG( _T("IsShown failed to find sizer item") ); |
| 843 | |
| 844 | return false; |
| 845 | } |
| 846 | |
| 847 | bool wxSizer::IsShown( wxSizer *sizer ) const |
| 848 | { |
| 849 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 850 | while (node) |
| 851 | { |
| 852 | wxSizerItem *item = node->GetData(); |
| 853 | |
| 854 | if (item->GetSizer() == sizer) |
| 855 | { |
| 856 | return item->IsShown(); |
| 857 | } |
| 858 | node = node->GetNext(); |
| 859 | } |
| 860 | |
| 861 | wxFAIL_MSG( _T("IsShown failed to find sizer item") ); |
| 862 | |
| 863 | return false; |
| 864 | } |
| 865 | |
| 866 | bool wxSizer::IsShown( size_t index ) const |
| 867 | { |
| 868 | wxCHECK_MSG( index < m_children.GetCount(), |
| 869 | false, |
| 870 | _T("IsShown index is out of range") ); |
| 871 | |
| 872 | return m_children.Item( index )->GetData()->IsShown(); |
| 873 | } |
| 874 | |
| 875 | |
| 876 | //--------------------------------------------------------------------------- |
| 877 | // wxGridSizer |
| 878 | //--------------------------------------------------------------------------- |
| 879 | |
| 880 | wxGridSizer::wxGridSizer( int rows, int cols, int vgap, int hgap ) |
| 881 | : m_rows( rows ) |
| 882 | , m_cols( cols ) |
| 883 | , m_vgap( vgap ) |
| 884 | , m_hgap( hgap ) |
| 885 | { |
| 886 | } |
| 887 | |
| 888 | wxGridSizer::wxGridSizer( int cols, int vgap, int hgap ) |
| 889 | : m_rows( 0 ) |
| 890 | , m_cols( cols ) |
| 891 | , m_vgap( vgap ) |
| 892 | , m_hgap( hgap ) |
| 893 | { |
| 894 | } |
| 895 | |
| 896 | int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const |
| 897 | { |
| 898 | int nitems = m_children.GetCount(); |
| 899 | if ( nitems) |
| 900 | { |
| 901 | if ( m_cols ) |
| 902 | { |
| 903 | ncols = m_cols; |
| 904 | nrows = (nitems + m_cols - 1) / m_cols; |
| 905 | } |
| 906 | else if ( m_rows ) |
| 907 | { |
| 908 | ncols = (nitems + m_rows - 1) / m_rows; |
| 909 | nrows = m_rows; |
| 910 | } |
| 911 | else // 0 columns, 0 rows? |
| 912 | { |
| 913 | wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") ); |
| 914 | |
| 915 | nrows = ncols = 0; |
| 916 | } |
| 917 | } |
| 918 | |
| 919 | return nitems; |
| 920 | } |
| 921 | |
| 922 | void wxGridSizer::RecalcSizes() |
| 923 | { |
| 924 | int nitems, nrows, ncols; |
| 925 | if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) |
| 926 | return; |
| 927 | |
| 928 | wxSize sz( GetSize() ); |
| 929 | wxPoint pt( GetPosition() ); |
| 930 | |
| 931 | int w = (sz.x - (ncols - 1) * m_hgap) / ncols; |
| 932 | int h = (sz.y - (nrows - 1) * m_vgap) / nrows; |
| 933 | |
| 934 | int x = pt.x; |
| 935 | for (int c = 0; c < ncols; c++) |
| 936 | { |
| 937 | int y = pt.y; |
| 938 | for (int r = 0; r < nrows; r++) |
| 939 | { |
| 940 | int i = r * ncols + c; |
| 941 | if (i < nitems) |
| 942 | { |
| 943 | wxSizerItemList::compatibility_iterator node = m_children.Item( i ); |
| 944 | |
| 945 | wxASSERT_MSG( node, _T("Failed to find SizerItemList node") ); |
| 946 | |
| 947 | SetItemBounds( node->GetData(), x, y, w, h); |
| 948 | } |
| 949 | y = y + h + m_vgap; |
| 950 | } |
| 951 | x = x + w + m_hgap; |
| 952 | } |
| 953 | } |
| 954 | |
| 955 | wxSize wxGridSizer::CalcMin() |
| 956 | { |
| 957 | int nitems, nrows, ncols; |
| 958 | if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) |
| 959 | return wxSize(10, 10); |
| 960 | |
| 961 | // Find the max width and height for any component |
| 962 | int w = 0; |
| 963 | int h = 0; |
| 964 | |
| 965 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 966 | while (node) |
| 967 | { |
| 968 | wxSizerItem *item = node->GetData(); |
| 969 | wxSize sz( item->CalcMin() ); |
| 970 | |
| 971 | w = wxMax( w, sz.x ); |
| 972 | h = wxMax( h, sz.y ); |
| 973 | |
| 974 | node = node->GetNext(); |
| 975 | } |
| 976 | |
| 977 | return wxSize( ncols * w + (ncols-1) * m_hgap, |
| 978 | nrows * h + (nrows-1) * m_vgap ); |
| 979 | } |
| 980 | |
| 981 | void wxGridSizer::SetItemBounds( wxSizerItem *item, int x, int y, int w, int h ) |
| 982 | { |
| 983 | wxPoint pt( x,y ); |
| 984 | wxSize sz( item->CalcMin() ); |
| 985 | int flag = item->GetFlag(); |
| 986 | |
| 987 | if ((flag & wxEXPAND) || (flag & wxSHAPED)) |
| 988 | { |
| 989 | sz = wxSize(w, h); |
| 990 | } |
| 991 | else |
| 992 | { |
| 993 | if (flag & wxALIGN_CENTER_HORIZONTAL) |
| 994 | { |
| 995 | pt.x = x + (w - sz.x) / 2; |
| 996 | } |
| 997 | else if (flag & wxALIGN_RIGHT) |
| 998 | { |
| 999 | pt.x = x + (w - sz.x); |
| 1000 | } |
| 1001 | |
| 1002 | if (flag & wxALIGN_CENTER_VERTICAL) |
| 1003 | { |
| 1004 | pt.y = y + (h - sz.y) / 2; |
| 1005 | } |
| 1006 | else if (flag & wxALIGN_BOTTOM) |
| 1007 | { |
| 1008 | pt.y = y + (h - sz.y); |
| 1009 | } |
| 1010 | } |
| 1011 | |
| 1012 | item->SetDimension(pt, sz); |
| 1013 | } |
| 1014 | |
| 1015 | //--------------------------------------------------------------------------- |
| 1016 | // wxFlexGridSizer |
| 1017 | //--------------------------------------------------------------------------- |
| 1018 | |
| 1019 | wxFlexGridSizer::wxFlexGridSizer( int rows, int cols, int vgap, int hgap ) |
| 1020 | : wxGridSizer( rows, cols, vgap, hgap ), |
| 1021 | m_flexDirection(wxBOTH), |
| 1022 | m_growMode(wxFLEX_GROWMODE_SPECIFIED) |
| 1023 | { |
| 1024 | } |
| 1025 | |
| 1026 | wxFlexGridSizer::wxFlexGridSizer( int cols, int vgap, int hgap ) |
| 1027 | : wxGridSizer( cols, vgap, hgap ), |
| 1028 | m_flexDirection(wxBOTH), |
| 1029 | m_growMode(wxFLEX_GROWMODE_SPECIFIED) |
| 1030 | { |
| 1031 | } |
| 1032 | |
| 1033 | wxFlexGridSizer::~wxFlexGridSizer() |
| 1034 | { |
| 1035 | } |
| 1036 | |
| 1037 | void wxFlexGridSizer::RecalcSizes() |
| 1038 | { |
| 1039 | int nitems, nrows, ncols; |
| 1040 | if ( (nitems = CalcRowsCols(nrows, ncols)) == 0 ) |
| 1041 | return; |
| 1042 | |
| 1043 | wxSize sz( GetSize() ); |
| 1044 | wxSize minsz( CalcMin() ); |
| 1045 | wxPoint pt( GetPosition() ); |
| 1046 | |
| 1047 | // what to do with the rows? by default, resize them proportionally |
| 1048 | if ( sz.y > minsz.y && ( (m_flexDirection & wxVERTICAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) |
| 1049 | { |
| 1050 | int sum_proportions = 0; |
| 1051 | int growable_space = 0; |
| 1052 | int num = 0; |
| 1053 | size_t idx; |
| 1054 | for (idx = 0; idx < m_growableRows.GetCount(); idx++) |
| 1055 | { |
| 1056 | // Since the number of rows/columns can change as items are inserted/deleted, we need |
| 1057 | // to verify at runtime that the requested growable rows/columns are still valid. |
| 1058 | if (m_growableRows[idx] >= nrows) |
| 1059 | continue; |
| 1060 | // If all items in a row/column are hidden, that row/column will have a dimension of -1. |
| 1061 | // This causes the row/column to be hidden completely. |
| 1062 | if (m_rowHeights[ m_growableRows[idx] ] == -1) |
| 1063 | continue; |
| 1064 | sum_proportions += m_growableRowsProportions[idx]; |
| 1065 | growable_space += m_rowHeights[ m_growableRows[idx] ]; |
| 1066 | num++; |
| 1067 | } |
| 1068 | |
| 1069 | if (num > 0) |
| 1070 | { |
| 1071 | for (idx = 0; idx < m_growableRows.GetCount(); idx++) |
| 1072 | { |
| 1073 | if (m_growableRows[idx] >= nrows ) |
| 1074 | continue; |
| 1075 | if (m_rowHeights[ m_growableRows[idx] ] == -1) |
| 1076 | m_rowHeights[ m_growableRows[idx] ] = 0; |
| 1077 | else |
| 1078 | { |
| 1079 | int delta = (sz.y - minsz.y); |
| 1080 | if (sum_proportions == 0) |
| 1081 | delta = (delta/num) + m_rowHeights[ m_growableRows[idx] ]; |
| 1082 | else |
| 1083 | delta = ((delta+growable_space)*m_growableRowsProportions[idx]) / sum_proportions; |
| 1084 | m_rowHeights[ m_growableRows[idx] ] = delta; |
| 1085 | } |
| 1086 | } |
| 1087 | } |
| 1088 | } |
| 1089 | else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.y > minsz.y) ) |
| 1090 | { |
| 1091 | // rounding problem? |
| 1092 | for ( int row = 0; row < nrows; ++row ) |
| 1093 | m_rowHeights[ row ] = sz.y / nrows; |
| 1094 | } |
| 1095 | |
| 1096 | // the same logic as above but for the columns |
| 1097 | if ( sz.x > minsz.x && ( (m_flexDirection & wxHORIZONTAL) || (m_growMode == wxFLEX_GROWMODE_SPECIFIED) ) ) |
| 1098 | { |
| 1099 | int sum_proportions = 0; |
| 1100 | int growable_space = 0; |
| 1101 | int num = 0; |
| 1102 | size_t idx; |
| 1103 | for (idx = 0; idx < m_growableCols.GetCount(); idx++) |
| 1104 | { |
| 1105 | // Since the number of rows/columns can change as items are inserted/deleted, we need |
| 1106 | // to verify at runtime that the requested growable rows/columns are still valid. |
| 1107 | if (m_growableCols[idx] >= ncols) |
| 1108 | continue; |
| 1109 | // If all items in a row/column are hidden, that row/column will have a dimension of -1. |
| 1110 | // This causes the column to be hidden completely. |
| 1111 | if (m_colWidths[ m_growableCols[idx] ] == -1) |
| 1112 | continue; |
| 1113 | sum_proportions += m_growableColsProportions[idx]; |
| 1114 | // wtb 5/12/02 bugfix - was m_ColWidths[idx]!! |
| 1115 | growable_space += m_colWidths[ m_growableCols[idx] ]; |
| 1116 | num++; |
| 1117 | } |
| 1118 | |
| 1119 | if (num > 0) |
| 1120 | { |
| 1121 | for (idx = 0; idx < m_growableCols.GetCount(); idx++) |
| 1122 | { |
| 1123 | if (m_growableCols[idx] >= ncols ) |
| 1124 | continue; |
| 1125 | if (m_colWidths[ m_growableCols[idx] ] == -1) |
| 1126 | m_colWidths[ m_growableCols[idx] ] = 0; |
| 1127 | else |
| 1128 | { |
| 1129 | int delta = (sz.x - minsz.x); |
| 1130 | if (sum_proportions == 0) |
| 1131 | delta = (delta/num) + m_colWidths[ m_growableCols[idx] ]; |
| 1132 | else |
| 1133 | delta = ((delta+growable_space)*m_growableColsProportions[idx])/sum_proportions; |
| 1134 | m_colWidths[ m_growableCols[idx] ] = delta; |
| 1135 | } |
| 1136 | } |
| 1137 | } |
| 1138 | } |
| 1139 | else if ( (m_growMode == wxFLEX_GROWMODE_ALL) && (sz.x > minsz.x) ) |
| 1140 | { |
| 1141 | for ( int col=0; col < ncols; ++col ) |
| 1142 | m_colWidths[ col ] = sz.x / ncols; |
| 1143 | } |
| 1144 | |
| 1145 | sz = wxSize( pt.x + sz.x, pt.y + sz.y ); |
| 1146 | |
| 1147 | int x = pt.x; |
| 1148 | for (int c = 0; c < ncols; c++) |
| 1149 | { |
| 1150 | int y = pt.y; |
| 1151 | for (int r = 0; r < nrows; r++) |
| 1152 | { |
| 1153 | int i = r * ncols + c; |
| 1154 | if (i < nitems) |
| 1155 | { |
| 1156 | wxSizerItemList::compatibility_iterator node = m_children.Item( i ); |
| 1157 | |
| 1158 | wxASSERT_MSG( node, _T("Failed to find node") ); |
| 1159 | |
| 1160 | int w = wxMax( 0, wxMin( m_colWidths[c], sz.x - x ) ); |
| 1161 | int h = wxMax( 0, wxMin( m_rowHeights[r], sz.y - y ) ); |
| 1162 | |
| 1163 | SetItemBounds( node->GetData(), x, y, w, h); |
| 1164 | } |
| 1165 | y = y + m_rowHeights[r] + m_vgap; |
| 1166 | } |
| 1167 | x = x + m_colWidths[c] + m_hgap; |
| 1168 | } |
| 1169 | } |
| 1170 | |
| 1171 | wxSize wxFlexGridSizer::CalcMin() |
| 1172 | { |
| 1173 | int nrows, |
| 1174 | ncols; |
| 1175 | size_t i, s; |
| 1176 | |
| 1177 | // Number of rows/columns can change as items are added or removed. |
| 1178 | if ( !CalcRowsCols(nrows, ncols) ) |
| 1179 | return wxSize(10, 10); |
| 1180 | |
| 1181 | m_rowHeights.SetCount(nrows); |
| 1182 | m_colWidths.SetCount(ncols); |
| 1183 | |
| 1184 | // We have to recalcuate the sizes in case an item has wxADJUST_MINSIZE, has changed |
| 1185 | // minimum size since the previous layout, or has been hidden using wxSizer::Show(). |
| 1186 | // If all the items in a row/column are hidden, the final dimension of the row/column |
| 1187 | // will be -1, indicating that the column itself is hidden. |
| 1188 | for( s = m_rowHeights.GetCount(), i = 0; i < s; ++i ) |
| 1189 | m_rowHeights[ i ] = -1; |
| 1190 | for( s = m_colWidths.GetCount(), i = 0; i < s; ++i ) |
| 1191 | m_colWidths[ i ] = -1; |
| 1192 | |
| 1193 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1194 | |
| 1195 | i = 0; |
| 1196 | while (node) |
| 1197 | { |
| 1198 | wxSizerItem *item = node->GetData(); |
| 1199 | if ( item->IsShown() ) |
| 1200 | { |
| 1201 | wxSize sz( item->CalcMin() ); |
| 1202 | int row = i / ncols; |
| 1203 | int col = i % ncols; |
| 1204 | |
| 1205 | m_rowHeights[ row ] = wxMax( wxMax( 0, sz.y ), m_rowHeights[ row ] ); |
| 1206 | m_colWidths[ col ] = wxMax( wxMax( 0, sz.x ), m_colWidths[ col ] ); |
| 1207 | } |
| 1208 | |
| 1209 | node = node->GetNext(); |
| 1210 | i++; |
| 1211 | } |
| 1212 | |
| 1213 | // the logic above works when we resize flexibly in both directions but |
| 1214 | // maybe this is not the case |
| 1215 | if ( m_flexDirection != wxBOTH ) |
| 1216 | { |
| 1217 | // select the array corresponding to the direction in which we do *not* |
| 1218 | // resize flexibly |
| 1219 | wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths |
| 1220 | : m_rowHeights; |
| 1221 | |
| 1222 | const int count = array.GetCount(); |
| 1223 | |
| 1224 | // find the largest value in this array |
| 1225 | int n, largest = 0; |
| 1226 | for ( n = 0; n < count; ++n ) |
| 1227 | { |
| 1228 | if ( array[n] > largest ) |
| 1229 | largest = array[n]; |
| 1230 | } |
| 1231 | |
| 1232 | // and now fill it with the largest value |
| 1233 | for ( n = 0; n < count; ++n ) |
| 1234 | { |
| 1235 | array[n] = largest; |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | // Sum total minimum size, including gaps between rows/columns. |
| 1240 | // -1 is used as a magic number meaning empty column. |
| 1241 | int width = 0; |
| 1242 | for (int col = 0; col < ncols; col++) |
| 1243 | if ( m_colWidths[ col ] != -1 ) |
| 1244 | width += m_colWidths[ col ] + ( col == ncols-1 ? 0 : m_hgap ); |
| 1245 | |
| 1246 | int height = 0; |
| 1247 | for (int row = 0; row < nrows; row++) |
| 1248 | if ( m_rowHeights[ row ] != -1 ) |
| 1249 | height += m_rowHeights[ row ] + ( row == nrows-1 ? 0 : m_vgap ); |
| 1250 | |
| 1251 | return wxSize( width, height ); |
| 1252 | } |
| 1253 | |
| 1254 | void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion ) |
| 1255 | { |
| 1256 | m_growableRows.Add( idx ); |
| 1257 | m_growableRowsProportions.Add( proportion ); |
| 1258 | } |
| 1259 | |
| 1260 | void wxFlexGridSizer::RemoveGrowableRow( size_t WXUNUSED(idx) ) |
| 1261 | { |
| 1262 | } |
| 1263 | |
| 1264 | void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion ) |
| 1265 | { |
| 1266 | m_growableCols.Add( idx ); |
| 1267 | m_growableColsProportions.Add( proportion ); |
| 1268 | } |
| 1269 | |
| 1270 | void wxFlexGridSizer::RemoveGrowableCol( size_t WXUNUSED(idx) ) |
| 1271 | { |
| 1272 | } |
| 1273 | |
| 1274 | //--------------------------------------------------------------------------- |
| 1275 | // wxBoxSizer |
| 1276 | //--------------------------------------------------------------------------- |
| 1277 | |
| 1278 | wxBoxSizer::wxBoxSizer( int orient ) |
| 1279 | : m_orient( orient ) |
| 1280 | { |
| 1281 | } |
| 1282 | |
| 1283 | void wxBoxSizer::RecalcSizes() |
| 1284 | { |
| 1285 | if (m_children.GetCount() == 0) |
| 1286 | return; |
| 1287 | |
| 1288 | int delta = 0; |
| 1289 | int extra = 0; |
| 1290 | if (m_stretchable) |
| 1291 | { |
| 1292 | if (m_orient == wxHORIZONTAL) |
| 1293 | { |
| 1294 | delta = (m_size.x - m_fixedWidth) / m_stretchable; |
| 1295 | extra = (m_size.x - m_fixedWidth) % m_stretchable; |
| 1296 | } |
| 1297 | else |
| 1298 | { |
| 1299 | delta = (m_size.y - m_fixedHeight) / m_stretchable; |
| 1300 | extra = (m_size.y - m_fixedHeight) % m_stretchable; |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | wxPoint pt( m_position ); |
| 1305 | |
| 1306 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1307 | while (node) |
| 1308 | { |
| 1309 | wxSizerItem *item = node->GetData(); |
| 1310 | |
| 1311 | if (item->IsShown()) |
| 1312 | { |
| 1313 | int weight = 1; |
| 1314 | if (item->GetProportion()) |
| 1315 | weight = item->GetProportion(); |
| 1316 | |
| 1317 | wxSize size( item->CalcMin() ); |
| 1318 | |
| 1319 | if (m_orient == wxVERTICAL) |
| 1320 | { |
| 1321 | wxCoord height = size.y; |
| 1322 | if (item->GetProportion()) |
| 1323 | { |
| 1324 | height = (delta * weight) + extra; |
| 1325 | extra = 0; // only the first item will get the remainder as extra size |
| 1326 | } |
| 1327 | |
| 1328 | wxPoint child_pos( pt ); |
| 1329 | wxSize child_size( wxSize( size.x, height) ); |
| 1330 | |
| 1331 | if (item->GetFlag() & (wxEXPAND | wxSHAPED)) |
| 1332 | child_size.x = m_size.x; |
| 1333 | else if (item->GetFlag() & wxALIGN_RIGHT) |
| 1334 | child_pos.x += m_size.x - size.x; |
| 1335 | else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_HORIZONTAL)) |
| 1336 | // XXX wxCENTER is added for backward compatibility; |
| 1337 | // wxALIGN_CENTER should be used in new code |
| 1338 | child_pos.x += (m_size.x - size.x) / 2; |
| 1339 | |
| 1340 | item->SetDimension( child_pos, child_size ); |
| 1341 | |
| 1342 | pt.y += height; |
| 1343 | } |
| 1344 | else |
| 1345 | { |
| 1346 | wxCoord width = size.x; |
| 1347 | if (item->GetProportion()) |
| 1348 | { |
| 1349 | width = (delta * weight) + extra; |
| 1350 | extra = 0; // only the first item will get the remainder as extra size |
| 1351 | } |
| 1352 | |
| 1353 | wxPoint child_pos( pt ); |
| 1354 | wxSize child_size( wxSize(width, size.y) ); |
| 1355 | |
| 1356 | if (item->GetFlag() & (wxEXPAND | wxSHAPED)) |
| 1357 | child_size.y = m_size.y; |
| 1358 | else if (item->GetFlag() & wxALIGN_BOTTOM) |
| 1359 | child_pos.y += m_size.y - size.y; |
| 1360 | else if (item->GetFlag() & (wxCENTER | wxALIGN_CENTER_VERTICAL)) |
| 1361 | // XXX wxCENTER is added for backward compatibility; |
| 1362 | // wxALIGN_CENTER should be used in new code |
| 1363 | child_pos.y += (m_size.y - size.y) / 2; |
| 1364 | |
| 1365 | item->SetDimension( child_pos, child_size ); |
| 1366 | |
| 1367 | pt.x += width; |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | node = node->GetNext(); |
| 1372 | } |
| 1373 | } |
| 1374 | |
| 1375 | wxSize wxBoxSizer::CalcMin() |
| 1376 | { |
| 1377 | if (m_children.GetCount() == 0) |
| 1378 | return wxSize(10,10); |
| 1379 | |
| 1380 | m_stretchable = 0; |
| 1381 | m_minWidth = 0; |
| 1382 | m_minHeight = 0; |
| 1383 | m_fixedWidth = 0; |
| 1384 | m_fixedHeight = 0; |
| 1385 | |
| 1386 | // Find how long each stretch unit needs to be |
| 1387 | int stretchSize = 1; |
| 1388 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 1389 | |
| 1390 | while (node) |
| 1391 | { |
| 1392 | wxSizerItem *item = node->GetData(); |
| 1393 | |
| 1394 | if (item->IsShown() && item->GetProportion() != 0) |
| 1395 | { |
| 1396 | int stretch = item->GetProportion(); |
| 1397 | wxSize size( item->CalcMin() ); |
| 1398 | int sizePerStretch; |
| 1399 | // Integer division rounded up is (a + b - 1) / b |
| 1400 | if (m_orient == wxHORIZONTAL) |
| 1401 | sizePerStretch = ( size.x + stretch - 1 ) / stretch; |
| 1402 | else |
| 1403 | sizePerStretch = ( size.y + stretch - 1 ) / stretch; |
| 1404 | if (sizePerStretch > stretchSize) |
| 1405 | stretchSize = sizePerStretch; |
| 1406 | } |
| 1407 | node = node->GetNext(); |
| 1408 | } |
| 1409 | |
| 1410 | // Calculate overall minimum size |
| 1411 | node = m_children.GetFirst(); |
| 1412 | while (node) |
| 1413 | { |
| 1414 | wxSizerItem *item = node->GetData(); |
| 1415 | |
| 1416 | if (item->IsShown()) |
| 1417 | { |
| 1418 | m_stretchable += item->GetProportion(); |
| 1419 | |
| 1420 | wxSize size( item->CalcMin() ); |
| 1421 | if (item->GetProportion() != 0) |
| 1422 | { |
| 1423 | if (m_orient == wxHORIZONTAL) |
| 1424 | size.x = stretchSize * item->GetProportion(); |
| 1425 | else |
| 1426 | size.y = stretchSize * item->GetProportion(); |
| 1427 | } |
| 1428 | |
| 1429 | if (m_orient == wxHORIZONTAL) |
| 1430 | { |
| 1431 | m_minWidth += size.x; |
| 1432 | m_minHeight = wxMax( m_minHeight, size.y ); |
| 1433 | } |
| 1434 | else |
| 1435 | { |
| 1436 | m_minHeight += size.y; |
| 1437 | m_minWidth = wxMax( m_minWidth, size.x ); |
| 1438 | } |
| 1439 | |
| 1440 | if (item->GetProportion() == 0) |
| 1441 | { |
| 1442 | if (m_orient == wxVERTICAL) |
| 1443 | { |
| 1444 | m_fixedHeight += size.y; |
| 1445 | m_fixedWidth = wxMax( m_fixedWidth, size.x ); |
| 1446 | } |
| 1447 | else |
| 1448 | { |
| 1449 | m_fixedWidth += size.x; |
| 1450 | m_fixedHeight = wxMax( m_fixedHeight, size.y ); |
| 1451 | } |
| 1452 | } |
| 1453 | } |
| 1454 | node = node->GetNext(); |
| 1455 | } |
| 1456 | |
| 1457 | return wxSize( m_minWidth, m_minHeight ); |
| 1458 | } |
| 1459 | |
| 1460 | //--------------------------------------------------------------------------- |
| 1461 | // wxStaticBoxSizer |
| 1462 | //--------------------------------------------------------------------------- |
| 1463 | |
| 1464 | #if wxUSE_STATBOX |
| 1465 | |
| 1466 | wxStaticBoxSizer::wxStaticBoxSizer( wxStaticBox *box, int orient ) |
| 1467 | : wxBoxSizer( orient ) |
| 1468 | , m_staticBox( box ) |
| 1469 | { |
| 1470 | wxASSERT_MSG( box, wxT("wxStaticBoxSizer needs a static box") ); |
| 1471 | } |
| 1472 | |
| 1473 | static void GetStaticBoxBorders( wxStaticBox *box, |
| 1474 | int *borderTop, |
| 1475 | int *borderOther) |
| 1476 | { |
| 1477 | // this has to be done platform by platform as there is no way to |
| 1478 | // guess the thickness of a wxStaticBox border |
| 1479 | #ifdef __WXCOCOA__ |
| 1480 | box->GetBordersForSizer(borderTop,borderOther); |
| 1481 | #else // __WXCOCOA__ |
| 1482 | #ifdef __WXGTK__ |
| 1483 | if ( box->GetLabel().IsEmpty() ) |
| 1484 | *borderTop = 5; |
| 1485 | else |
| 1486 | #endif // __WXGTK__ |
| 1487 | *borderTop = box->GetCharHeight(); |
| 1488 | |
| 1489 | *borderOther = 5; |
| 1490 | #endif // __WXCOCOA__ |
| 1491 | } |
| 1492 | |
| 1493 | void wxStaticBoxSizer::RecalcSizes() |
| 1494 | { |
| 1495 | int top_border, other_border; |
| 1496 | GetStaticBoxBorders(m_staticBox, &top_border, &other_border); |
| 1497 | |
| 1498 | m_staticBox->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); |
| 1499 | |
| 1500 | wxPoint old_pos( m_position ); |
| 1501 | m_position.x += other_border; |
| 1502 | m_position.y += top_border; |
| 1503 | wxSize old_size( m_size ); |
| 1504 | m_size.x -= 2*other_border; |
| 1505 | m_size.y -= top_border + other_border; |
| 1506 | |
| 1507 | wxBoxSizer::RecalcSizes(); |
| 1508 | |
| 1509 | m_position = old_pos; |
| 1510 | m_size = old_size; |
| 1511 | } |
| 1512 | |
| 1513 | wxSize wxStaticBoxSizer::CalcMin() |
| 1514 | { |
| 1515 | int top_border, other_border; |
| 1516 | GetStaticBoxBorders(m_staticBox, &top_border, &other_border); |
| 1517 | |
| 1518 | wxSize ret( wxBoxSizer::CalcMin() ); |
| 1519 | ret.x += 2*other_border; |
| 1520 | ret.y += other_border + top_border; |
| 1521 | |
| 1522 | return ret; |
| 1523 | } |
| 1524 | |
| 1525 | #endif // wxUSE_STATBOX |
| 1526 | |
| 1527 | //--------------------------------------------------------------------------- |
| 1528 | // wxNotebookSizer |
| 1529 | //--------------------------------------------------------------------------- |
| 1530 | |
| 1531 | #if wxUSE_NOTEBOOK |
| 1532 | |
| 1533 | wxNotebookSizer::wxNotebookSizer( wxNotebook *nb ) |
| 1534 | : m_notebook( nb ) |
| 1535 | { |
| 1536 | wxASSERT_MSG( nb, wxT("wxNotebookSizer needs a notebook") ); |
| 1537 | } |
| 1538 | |
| 1539 | void wxNotebookSizer::RecalcSizes() |
| 1540 | { |
| 1541 | m_notebook->SetSize( m_position.x, m_position.y, m_size.x, m_size.y ); |
| 1542 | } |
| 1543 | |
| 1544 | wxSize wxNotebookSizer::CalcMin() |
| 1545 | { |
| 1546 | wxSize sizeBorder = m_notebook->CalcSizeFromPage(wxSize(0, 0)); |
| 1547 | |
| 1548 | sizeBorder.x += 5; |
| 1549 | sizeBorder.y += 5; |
| 1550 | |
| 1551 | if (m_notebook->GetChildren().GetCount() == 0) |
| 1552 | { |
| 1553 | return wxSize(sizeBorder.x + 10, sizeBorder.y + 10); |
| 1554 | } |
| 1555 | |
| 1556 | int maxX = 0; |
| 1557 | int maxY = 0; |
| 1558 | |
| 1559 | wxWindowList::compatibility_iterator node = m_notebook->GetChildren().GetFirst(); |
| 1560 | while (node) |
| 1561 | { |
| 1562 | wxWindow *item = node->GetData(); |
| 1563 | wxSizer *itemsizer = item->GetSizer(); |
| 1564 | |
| 1565 | if (itemsizer) |
| 1566 | { |
| 1567 | wxSize subsize( itemsizer->CalcMin() ); |
| 1568 | |
| 1569 | if (subsize.x > maxX) |
| 1570 | maxX = subsize.x; |
| 1571 | if (subsize.y > maxY) |
| 1572 | maxY = subsize.y; |
| 1573 | } |
| 1574 | |
| 1575 | node = node->GetNext(); |
| 1576 | } |
| 1577 | |
| 1578 | return wxSize( maxX, maxY ) + sizeBorder; |
| 1579 | } |
| 1580 | |
| 1581 | #endif // wxUSE_NOTEBOOK |
| 1582 | |
| 1583 | // vi:sts=4:sw=4:et |