| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gbsizer.cpp |
| 3 | // Purpose: wxGridBagSizer: A sizer that can lay out items in a grid, |
| 4 | // with items at specified cells, and with the option of row |
| 5 | // and/or column spanning |
| 6 | // |
| 7 | // Author: Robin Dunn |
| 8 | // Created: 03-Nov-2003 |
| 9 | // RCS-ID: $Id$ |
| 10 | // Copyright: (c) Robin Dunn |
| 11 | // Licence: wxWindows licence |
| 12 | ///////////////////////////////////////////////////////////////////////////// |
| 13 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #ifdef __BORLANDC__ |
| 18 | #pragma hdrstop |
| 19 | #endif |
| 20 | |
| 21 | #include "wx/gbsizer.h" |
| 22 | |
| 23 | //--------------------------------------------------------------------------- |
| 24 | |
| 25 | IMPLEMENT_DYNAMIC_CLASS(wxGBSizerItem, wxSizerItem) |
| 26 | IMPLEMENT_CLASS(wxGridBagSizer, wxFlexGridSizer) |
| 27 | |
| 28 | const wxGBSpan wxDefaultSpan; |
| 29 | |
| 30 | //--------------------------------------------------------------------------- |
| 31 | // wxGBSizerItem |
| 32 | //--------------------------------------------------------------------------- |
| 33 | |
| 34 | wxGBSizerItem::wxGBSizerItem( int width, |
| 35 | int height, |
| 36 | const wxGBPosition& pos, |
| 37 | const wxGBSpan& span, |
| 38 | int flag, |
| 39 | int border, |
| 40 | wxObject* userData) |
| 41 | : wxSizerItem(width, height, 0, flag, border, userData), |
| 42 | m_pos(pos), |
| 43 | m_span(span), |
| 44 | m_gbsizer(NULL) |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | |
| 49 | wxGBSizerItem::wxGBSizerItem( wxWindow *window, |
| 50 | const wxGBPosition& pos, |
| 51 | const wxGBSpan& span, |
| 52 | int flag, |
| 53 | int border, |
| 54 | wxObject* userData ) |
| 55 | : wxSizerItem(window, 0, flag, border, userData), |
| 56 | m_pos(pos), |
| 57 | m_span(span), |
| 58 | m_gbsizer(NULL) |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | |
| 63 | wxGBSizerItem::wxGBSizerItem( wxSizer *sizer, |
| 64 | const wxGBPosition& pos, |
| 65 | const wxGBSpan& span, |
| 66 | int flag, |
| 67 | int border, |
| 68 | wxObject* userData ) |
| 69 | : wxSizerItem(sizer, 0, flag, border, userData), |
| 70 | m_pos(pos), |
| 71 | m_span(span), |
| 72 | m_gbsizer(NULL) |
| 73 | { |
| 74 | } |
| 75 | |
| 76 | wxGBSizerItem::wxGBSizerItem() |
| 77 | : wxSizerItem(), |
| 78 | m_pos(-1,-1), |
| 79 | m_span(-1,-1), |
| 80 | m_gbsizer(NULL) |
| 81 | { |
| 82 | } |
| 83 | |
| 84 | //--------------------------------------------------------------------------- |
| 85 | |
| 86 | |
| 87 | void wxGBSizerItem::GetPos(int& row, int& col) const |
| 88 | { |
| 89 | row = m_pos.GetRow(); |
| 90 | col = m_pos.GetCol(); |
| 91 | } |
| 92 | |
| 93 | void wxGBSizerItem::GetSpan(int& rowspan, int& colspan) const |
| 94 | { |
| 95 | rowspan = m_span.GetRowspan(); |
| 96 | colspan = m_span.GetColspan(); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | bool wxGBSizerItem::SetPos( const wxGBPosition& pos ) |
| 101 | { |
| 102 | if (m_gbsizer) |
| 103 | { |
| 104 | wxCHECK_MSG( !m_gbsizer->CheckForIntersection(pos, m_span, this), false, |
| 105 | wxT("An item is already at that position") ); |
| 106 | } |
| 107 | m_pos = pos; |
| 108 | return true; |
| 109 | } |
| 110 | |
| 111 | bool wxGBSizerItem::SetSpan( const wxGBSpan& span ) |
| 112 | { |
| 113 | if (m_gbsizer) |
| 114 | { |
| 115 | wxCHECK_MSG( !m_gbsizer->CheckForIntersection(m_pos, span, this), false, |
| 116 | wxT("An item is already at that position") ); |
| 117 | } |
| 118 | m_span = span; |
| 119 | return true; |
| 120 | } |
| 121 | |
| 122 | |
| 123 | inline bool InRange(int val, int min, int max) |
| 124 | { |
| 125 | return (val >= min && val <= max); |
| 126 | } |
| 127 | |
| 128 | bool wxGBSizerItem::Intersects(const wxGBSizerItem& other) |
| 129 | { |
| 130 | return Intersects(other.GetPos(), other.GetSpan()); |
| 131 | } |
| 132 | |
| 133 | bool wxGBSizerItem::Intersects(const wxGBPosition& pos, const wxGBSpan& span) |
| 134 | { |
| 135 | |
| 136 | int row, col, endrow, endcol; |
| 137 | int otherrow, othercol, otherendrow, otherendcol; |
| 138 | |
| 139 | GetPos(row, col); |
| 140 | GetEndPos(endrow, endcol); |
| 141 | |
| 142 | otherrow = pos.GetRow(); |
| 143 | othercol = pos.GetCol(); |
| 144 | otherendrow = otherrow + span.GetRowspan() - 1; |
| 145 | otherendcol = othercol + span.GetColspan() - 1; |
| 146 | |
| 147 | // is the other item's start or end in the range of this one? |
| 148 | if (( InRange(otherrow, row, endrow) && InRange(othercol, col, endcol) ) || |
| 149 | ( InRange(otherendrow, row, endrow) && InRange(otherendcol, col, endcol) )) |
| 150 | return true; |
| 151 | |
| 152 | // is this item's start or end in the range of the other one? |
| 153 | if (( InRange(row, otherrow, otherendrow) && InRange(col, othercol, otherendcol) ) || |
| 154 | ( InRange(endrow, otherrow, otherendrow) && InRange(endcol, othercol, otherendcol) )) |
| 155 | return true; |
| 156 | |
| 157 | return false; |
| 158 | } |
| 159 | |
| 160 | |
| 161 | void wxGBSizerItem::GetEndPos(int& row, int& col) |
| 162 | { |
| 163 | row = m_pos.GetRow() + m_span.GetRowspan() - 1; |
| 164 | col = m_pos.GetCol() + m_span.GetColspan() - 1; |
| 165 | } |
| 166 | |
| 167 | |
| 168 | //--------------------------------------------------------------------------- |
| 169 | // wxGridBagSizer |
| 170 | //--------------------------------------------------------------------------- |
| 171 | |
| 172 | wxGridBagSizer::wxGridBagSizer(int vgap, int hgap ) |
| 173 | : wxFlexGridSizer(1, vgap, hgap), |
| 174 | m_emptyCellSize(10,20) |
| 175 | |
| 176 | { |
| 177 | } |
| 178 | |
| 179 | |
| 180 | wxSizerItem* wxGridBagSizer::Add( wxWindow *window, |
| 181 | const wxGBPosition& pos, const wxGBSpan& span, |
| 182 | int flag, int border, wxObject* userData ) |
| 183 | { |
| 184 | wxGBSizerItem* item = new wxGBSizerItem(window, pos, span, flag, border, userData); |
| 185 | if ( Add(item) ) |
| 186 | return item; |
| 187 | else |
| 188 | { |
| 189 | delete item; |
| 190 | return (wxSizerItem*)NULL; |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | wxSizerItem* wxGridBagSizer::Add( wxSizer *sizer, |
| 195 | const wxGBPosition& pos, const wxGBSpan& span, |
| 196 | int flag, int border, wxObject* userData ) |
| 197 | { |
| 198 | wxGBSizerItem* item = new wxGBSizerItem(sizer, pos, span, flag, border, userData); |
| 199 | if ( Add(item) ) |
| 200 | return item; |
| 201 | else |
| 202 | { |
| 203 | delete item; |
| 204 | return (wxSizerItem*)NULL; |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | wxSizerItem* wxGridBagSizer::Add( int width, int height, |
| 209 | const wxGBPosition& pos, const wxGBSpan& span, |
| 210 | int flag, int border, wxObject* userData ) |
| 211 | { |
| 212 | wxGBSizerItem* item = new wxGBSizerItem(width, height, pos, span, flag, border, userData); |
| 213 | if ( Add(item) ) |
| 214 | return item; |
| 215 | else |
| 216 | { |
| 217 | delete item; |
| 218 | return (wxSizerItem*)NULL; |
| 219 | } |
| 220 | } |
| 221 | |
| 222 | wxSizerItem* wxGridBagSizer::Add( wxGBSizerItem *item ) |
| 223 | { |
| 224 | wxCHECK_MSG( !CheckForIntersection(item), NULL, |
| 225 | wxT("An item is already at that position") ); |
| 226 | m_children.Append(item); |
| 227 | item->SetGBSizer(this); |
| 228 | if ( item->GetWindow() ) |
| 229 | item->GetWindow()->SetContainingSizer( this ); |
| 230 | |
| 231 | return item; |
| 232 | } |
| 233 | |
| 234 | |
| 235 | |
| 236 | //--------------------------------------------------------------------------- |
| 237 | |
| 238 | wxSize wxGridBagSizer::GetCellSize(int row, int col) const |
| 239 | { |
| 240 | wxCHECK_MSG( (row < m_rows) && (col < m_cols), |
| 241 | wxDefaultSize, |
| 242 | wxT("Invalid cell.")); |
| 243 | return wxSize( m_colWidths[col], m_rowHeights[row] ); |
| 244 | } |
| 245 | |
| 246 | |
| 247 | wxGBPosition wxGridBagSizer::GetItemPosition(wxWindow *window) |
| 248 | { |
| 249 | wxGBPosition badpos(-1,-1); |
| 250 | wxGBSizerItem* item = FindItem(window); |
| 251 | wxCHECK_MSG(item, badpos, wxT("Failed to find item.")); |
| 252 | return item->GetPos(); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | wxGBPosition wxGridBagSizer::GetItemPosition(wxSizer *sizer) |
| 257 | { |
| 258 | wxGBPosition badpos(-1,-1); |
| 259 | wxGBSizerItem* item = FindItem(sizer); |
| 260 | wxCHECK_MSG(item, badpos, wxT("Failed to find item.")); |
| 261 | return item->GetPos(); |
| 262 | } |
| 263 | |
| 264 | |
| 265 | wxGBPosition wxGridBagSizer::GetItemPosition(size_t index) |
| 266 | { |
| 267 | wxGBPosition badpos(-1,-1); |
| 268 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 269 | wxCHECK_MSG( node, badpos, _T("Failed to find item.") ); |
| 270 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 271 | return item->GetPos(); |
| 272 | } |
| 273 | |
| 274 | |
| 275 | |
| 276 | bool wxGridBagSizer::SetItemPosition(wxWindow *window, const wxGBPosition& pos) |
| 277 | { |
| 278 | wxGBSizerItem* item = FindItem(window); |
| 279 | wxCHECK_MSG(item, false, wxT("Failed to find item.")); |
| 280 | return item->SetPos(pos); |
| 281 | } |
| 282 | |
| 283 | |
| 284 | bool wxGridBagSizer::SetItemPosition(wxSizer *sizer, const wxGBPosition& pos) |
| 285 | { |
| 286 | wxGBSizerItem* item = FindItem(sizer); |
| 287 | wxCHECK_MSG(item, false, wxT("Failed to find item.")); |
| 288 | return item->SetPos(pos); |
| 289 | } |
| 290 | |
| 291 | |
| 292 | bool wxGridBagSizer::SetItemPosition(size_t index, const wxGBPosition& pos) |
| 293 | { |
| 294 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 295 | wxCHECK_MSG( node, false, _T("Failed to find item.") ); |
| 296 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 297 | return item->SetPos(pos); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | |
| 302 | wxGBSpan wxGridBagSizer::GetItemSpan(wxWindow *window) |
| 303 | { |
| 304 | wxGBSpan badspan(-1,-1); |
| 305 | wxGBSizerItem* item = FindItem(window); |
| 306 | wxCHECK_MSG( item, badspan, _T("Failed to find item.") ); |
| 307 | return item->GetSpan(); |
| 308 | } |
| 309 | |
| 310 | |
| 311 | wxGBSpan wxGridBagSizer::GetItemSpan(wxSizer *sizer) |
| 312 | { |
| 313 | wxGBSpan badspan(-1,-1); |
| 314 | wxGBSizerItem* item = FindItem(sizer); |
| 315 | wxCHECK_MSG( item, badspan, _T("Failed to find item.") ); |
| 316 | return item->GetSpan(); |
| 317 | } |
| 318 | |
| 319 | |
| 320 | wxGBSpan wxGridBagSizer::GetItemSpan(size_t index) |
| 321 | { |
| 322 | wxGBSpan badspan(-1,-1); |
| 323 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 324 | wxCHECK_MSG( node, badspan, _T("Failed to find item.") ); |
| 325 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 326 | return item->GetSpan(); |
| 327 | } |
| 328 | |
| 329 | |
| 330 | |
| 331 | bool wxGridBagSizer::SetItemSpan(wxWindow *window, const wxGBSpan& span) |
| 332 | { |
| 333 | wxGBSizerItem* item = FindItem(window); |
| 334 | wxCHECK_MSG(item, false, wxT("Failed to find item.")); |
| 335 | return item->SetSpan(span); |
| 336 | } |
| 337 | |
| 338 | |
| 339 | bool wxGridBagSizer::SetItemSpan(wxSizer *sizer, const wxGBSpan& span) |
| 340 | { |
| 341 | wxGBSizerItem* item = FindItem(sizer); |
| 342 | wxCHECK_MSG(item, false, wxT("Failed to find item.")); |
| 343 | return item->SetSpan(span); |
| 344 | } |
| 345 | |
| 346 | |
| 347 | bool wxGridBagSizer::SetItemSpan(size_t index, const wxGBSpan& span) |
| 348 | { |
| 349 | wxSizerItemList::compatibility_iterator node = m_children.Item( index ); |
| 350 | wxCHECK_MSG( node, false, _T("Failed to find item.") ); |
| 351 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 352 | return item->SetSpan(span); |
| 353 | } |
| 354 | |
| 355 | |
| 356 | |
| 357 | |
| 358 | wxGBSizerItem* wxGridBagSizer::FindItem(wxWindow* window) |
| 359 | { |
| 360 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 361 | while (node) |
| 362 | { |
| 363 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 364 | if ( item->GetWindow() == window ) |
| 365 | return item; |
| 366 | node = node->GetNext(); |
| 367 | } |
| 368 | return NULL; |
| 369 | } |
| 370 | |
| 371 | |
| 372 | wxGBSizerItem* wxGridBagSizer::FindItem(wxSizer* sizer) |
| 373 | { |
| 374 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 375 | while (node) |
| 376 | { |
| 377 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 378 | if ( item->GetSizer() == sizer ) |
| 379 | return item; |
| 380 | node = node->GetNext(); |
| 381 | } |
| 382 | return NULL; |
| 383 | } |
| 384 | |
| 385 | |
| 386 | |
| 387 | |
| 388 | wxGBSizerItem* wxGridBagSizer::FindItemAtPosition(const wxGBPosition& pos) |
| 389 | { |
| 390 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 391 | while (node) |
| 392 | { |
| 393 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 394 | if ( item->Intersects(pos, wxDefaultSpan) ) |
| 395 | return item; |
| 396 | node = node->GetNext(); |
| 397 | } |
| 398 | return NULL; |
| 399 | } |
| 400 | |
| 401 | |
| 402 | |
| 403 | |
| 404 | wxGBSizerItem* wxGridBagSizer::FindItemAtPoint(const wxPoint& pt) |
| 405 | { |
| 406 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 407 | while (node) |
| 408 | { |
| 409 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 410 | wxRect rect(item->GetPosition(), item->GetSize()); |
| 411 | rect.Inflate(m_hgap, m_vgap); |
| 412 | if ( rect.Contains(pt) ) |
| 413 | return item; |
| 414 | node = node->GetNext(); |
| 415 | } |
| 416 | return NULL; |
| 417 | } |
| 418 | |
| 419 | |
| 420 | |
| 421 | |
| 422 | wxGBSizerItem* wxGridBagSizer::FindItemWithData(const wxObject* userData) |
| 423 | { |
| 424 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 425 | while (node) |
| 426 | { |
| 427 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 428 | if ( item->GetUserData() == userData ) |
| 429 | return item; |
| 430 | node = node->GetNext(); |
| 431 | } |
| 432 | return NULL; |
| 433 | } |
| 434 | |
| 435 | |
| 436 | |
| 437 | |
| 438 | //--------------------------------------------------------------------------- |
| 439 | |
| 440 | // Figure out what all the min row heights and col widths are, and calculate |
| 441 | // min size from that. |
| 442 | wxSize wxGridBagSizer::CalcMin() |
| 443 | { |
| 444 | int idx; |
| 445 | |
| 446 | if (m_children.GetCount() == 0) |
| 447 | return m_emptyCellSize; |
| 448 | |
| 449 | m_rowHeights.Empty(); |
| 450 | m_colWidths.Empty(); |
| 451 | |
| 452 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 453 | while (node) |
| 454 | { |
| 455 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 456 | if ( item->IsShown() ) |
| 457 | { |
| 458 | int row, col, endrow, endcol; |
| 459 | |
| 460 | item->GetPos(row, col); |
| 461 | item->GetEndPos(endrow, endcol); |
| 462 | |
| 463 | // fill heights and widths upto this item if needed |
| 464 | while ( m_rowHeights.GetCount() <= (size_t)endrow ) |
| 465 | m_rowHeights.Add(m_emptyCellSize.GetHeight()); |
| 466 | while ( m_colWidths.GetCount() <= (size_t)endcol ) |
| 467 | m_colWidths.Add(m_emptyCellSize.GetWidth()); |
| 468 | |
| 469 | // See if this item increases the size of its row(s) or col(s) |
| 470 | wxSize size(item->CalcMin()); |
| 471 | for (idx=row; idx <= endrow; idx++) |
| 472 | m_rowHeights[idx] = wxMax(m_rowHeights[idx], size.GetHeight() / (endrow-row+1)); |
| 473 | for (idx=col; idx <= endcol; idx++) |
| 474 | m_colWidths[idx] = wxMax(m_colWidths[idx], size.GetWidth() / (endcol-col+1)); |
| 475 | } |
| 476 | node = node->GetNext(); |
| 477 | } |
| 478 | |
| 479 | AdjustForFlexDirection(); |
| 480 | |
| 481 | // Now traverse the heights and widths arrays calcing the totals, including gaps |
| 482 | int width = 0; |
| 483 | m_cols = m_colWidths.GetCount(); |
| 484 | for (idx=0; idx < m_cols; idx++) |
| 485 | width += m_colWidths[idx] + ( idx == m_cols-1 ? 0 : m_hgap ); |
| 486 | |
| 487 | int height = 0; |
| 488 | m_rows = m_rowHeights.GetCount(); |
| 489 | for (idx=0; idx < m_rows; idx++) |
| 490 | height += m_rowHeights[idx] + ( idx == m_rows-1 ? 0 : m_vgap ); |
| 491 | |
| 492 | m_calculatedMinSize = wxSize(width, height); |
| 493 | return m_calculatedMinSize; |
| 494 | } |
| 495 | |
| 496 | |
| 497 | |
| 498 | void wxGridBagSizer::RecalcSizes() |
| 499 | { |
| 500 | if (m_children.GetCount() == 0) |
| 501 | return; |
| 502 | |
| 503 | wxPoint pt( GetPosition() ); |
| 504 | wxSize sz( GetSize() ); |
| 505 | |
| 506 | m_rows = m_rowHeights.GetCount(); |
| 507 | m_cols = m_colWidths.GetCount(); |
| 508 | int idx, width, height; |
| 509 | |
| 510 | AdjustForGrowables(sz); |
| 511 | |
| 512 | // Find the start positions on the window of the rows and columns |
| 513 | wxArrayInt rowpos; |
| 514 | rowpos.Add(0, m_rows); |
| 515 | int y = pt.y; |
| 516 | for (idx=0; idx < m_rows; idx++) |
| 517 | { |
| 518 | height = m_rowHeights[idx] + m_vgap; |
| 519 | rowpos[idx] = y; |
| 520 | y += height; |
| 521 | } |
| 522 | |
| 523 | wxArrayInt colpos; |
| 524 | colpos.Add(0, m_cols); |
| 525 | int x = pt.x; |
| 526 | for (idx=0; idx < m_cols; idx++) |
| 527 | { |
| 528 | width = m_colWidths[idx] + m_hgap; |
| 529 | colpos[idx] = x; |
| 530 | x += width; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | // Now iterate the children, setting each child's dimensions |
| 535 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 536 | while (node) |
| 537 | { |
| 538 | int row, col, endrow, endcol; |
| 539 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 540 | |
| 541 | if ( item->IsShown() ) |
| 542 | { |
| 543 | item->GetPos(row, col); |
| 544 | item->GetEndPos(endrow, endcol); |
| 545 | |
| 546 | height = 0; |
| 547 | for(idx=row; idx <= endrow; idx++) |
| 548 | height += m_rowHeights[idx]; |
| 549 | height += (endrow - row) * m_vgap; // add a vgap for every row spanned |
| 550 | |
| 551 | width = 0; |
| 552 | for (idx=col; idx <= endcol; idx++) |
| 553 | width += m_colWidths[idx]; |
| 554 | width += (endcol - col) * m_hgap; // add a hgap for every col spanned |
| 555 | |
| 556 | SetItemBounds(item, colpos[col], rowpos[row], width, height); |
| 557 | } |
| 558 | |
| 559 | node = node->GetNext(); |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | |
| 564 | |
| 565 | //--------------------------------------------------------------------------- |
| 566 | |
| 567 | bool wxGridBagSizer::CheckForIntersection(wxGBSizerItem* item, wxGBSizerItem* excludeItem) |
| 568 | { |
| 569 | return CheckForIntersection(item->GetPos(), item->GetSpan(), excludeItem); |
| 570 | } |
| 571 | |
| 572 | bool wxGridBagSizer::CheckForIntersection(const wxGBPosition& pos, const wxGBSpan& span, wxGBSizerItem* excludeItem) |
| 573 | { |
| 574 | wxSizerItemList::compatibility_iterator node = m_children.GetFirst(); |
| 575 | while (node) |
| 576 | { |
| 577 | wxGBSizerItem* item = (wxGBSizerItem*)node->GetData(); |
| 578 | node = node->GetNext(); |
| 579 | |
| 580 | if ( excludeItem && item == excludeItem ) |
| 581 | continue; |
| 582 | |
| 583 | if ( item->Intersects(pos, span) ) |
| 584 | return true; |
| 585 | |
| 586 | } |
| 587 | return false; |
| 588 | } |
| 589 | |
| 590 | |
| 591 | // Assumes a 10x10 grid, and returns the first empty cell found. This is |
| 592 | // really stupid but it is only used by the Add methods that match the base |
| 593 | // class virtuals, which should normally not be used anyway... |
| 594 | wxGBPosition wxGridBagSizer::FindEmptyCell() |
| 595 | { |
| 596 | int row, col; |
| 597 | |
| 598 | for (row=0; row<10; row++) |
| 599 | for (col=0; col<10; col++) |
| 600 | { |
| 601 | wxGBPosition pos(row, col); |
| 602 | if ( !CheckForIntersection(pos, wxDefaultSpan) ) |
| 603 | return pos; |
| 604 | } |
| 605 | return wxGBPosition(-1, -1); |
| 606 | } |
| 607 | |
| 608 | |
| 609 | //--------------------------------------------------------------------------- |
| 610 | |
| 611 | // The Add base class virtuals should not be used with this class, but |
| 612 | // we'll try to make them automatically select a location for the item |
| 613 | // anyway. |
| 614 | |
| 615 | wxSizerItem* wxGridBagSizer::Add( wxWindow *window, int, int flag, int border, wxObject* userData ) |
| 616 | { |
| 617 | return Add(window, FindEmptyCell(), wxDefaultSpan, flag, border, userData); |
| 618 | } |
| 619 | |
| 620 | wxSizerItem* wxGridBagSizer::Add( wxSizer *sizer, int, int flag, int border, wxObject* userData ) |
| 621 | { |
| 622 | return Add(sizer, FindEmptyCell(), wxDefaultSpan, flag, border, userData); |
| 623 | } |
| 624 | |
| 625 | wxSizerItem* wxGridBagSizer::Add( int width, int height, int, int flag, int border, wxObject* userData ) |
| 626 | { |
| 627 | return Add(width, height, FindEmptyCell(), wxDefaultSpan, flag, border, userData); |
| 628 | } |
| 629 | |
| 630 | |
| 631 | |
| 632 | // The Insert nad Prepend base class virtuals that are not appropriate for |
| 633 | // this class and should not be used. Their implementation in this class |
| 634 | // simply fails. |
| 635 | |
| 636 | wxSizerItem* wxGridBagSizer::Add( wxSizerItem * ) |
| 637 | { |
| 638 | wxFAIL_MSG(wxT("Invalid Add form called.")); |
| 639 | return (wxSizerItem*)NULL; |
| 640 | } |
| 641 | |
| 642 | wxSizerItem* wxGridBagSizer::Prepend( wxWindow *, int, int, int, wxObject* ) |
| 643 | { |
| 644 | wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer.")); |
| 645 | return (wxSizerItem*)NULL; |
| 646 | } |
| 647 | |
| 648 | wxSizerItem* wxGridBagSizer::Prepend( wxSizer *, int, int, int, wxObject* ) |
| 649 | { |
| 650 | wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer.")); |
| 651 | return (wxSizerItem*)NULL; |
| 652 | } |
| 653 | |
| 654 | wxSizerItem* wxGridBagSizer::Prepend( int, int, int, int, int, wxObject* ) |
| 655 | { |
| 656 | wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer.")); |
| 657 | return (wxSizerItem*)NULL; |
| 658 | } |
| 659 | |
| 660 | wxSizerItem* wxGridBagSizer::Prepend( wxSizerItem * ) |
| 661 | { |
| 662 | wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer.")); |
| 663 | return (wxSizerItem*)NULL; |
| 664 | } |
| 665 | |
| 666 | |
| 667 | wxSizerItem* wxGridBagSizer::Insert( size_t, wxWindow *, int, int, int, wxObject* ) |
| 668 | { |
| 669 | wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer.")); |
| 670 | return (wxSizerItem*)NULL; |
| 671 | } |
| 672 | |
| 673 | wxSizerItem* wxGridBagSizer::Insert( size_t, wxSizer *, int, int, int, wxObject* ) |
| 674 | { |
| 675 | wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer.")); |
| 676 | return (wxSizerItem*)NULL; |
| 677 | } |
| 678 | |
| 679 | wxSizerItem* wxGridBagSizer::Insert( size_t, int, int, int, int, int, wxObject* ) |
| 680 | { |
| 681 | wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer.")); |
| 682 | return (wxSizerItem*)NULL; |
| 683 | } |
| 684 | |
| 685 | wxSizerItem* wxGridBagSizer::Insert( size_t, wxSizerItem * ) |
| 686 | { |
| 687 | wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer.")); |
| 688 | return (wxSizerItem*)NULL; |
| 689 | } |
| 690 | |
| 691 | |
| 692 | //--------------------------------------------------------------------------- |
| 693 | //--------------------------------------------------------------------------- |