| 1 | /////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/generic/gridsel.cpp |
| 3 | // Purpose: wxGridSelection |
| 4 | // Author: Stefan Neis |
| 5 | // Modified by: |
| 6 | // Created: 20/02/1999 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Stefan Neis (Stefan.Neis@t-online.de) |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // For compilers that support precompilation, includes "wx/wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #ifdef __BORLANDC__ |
| 16 | #pragma hdrstop |
| 17 | #endif |
| 18 | |
| 19 | // ============================================================================ |
| 20 | // declarations |
| 21 | // ============================================================================ |
| 22 | |
| 23 | // ---------------------------------------------------------------------------- |
| 24 | // headers |
| 25 | // ---------------------------------------------------------------------------- |
| 26 | |
| 27 | #if wxUSE_GRID |
| 28 | |
| 29 | #include "wx/generic/gridsel.h" |
| 30 | |
| 31 | |
| 32 | // Some explanation for the members of the class: |
| 33 | // m_cellSelection stores individual selected cells |
| 34 | // -- this is only used if m_selectionMode == wxGridSelectCells |
| 35 | // m_blockSelectionTopLeft and m_blockSelectionBottomRight |
| 36 | // store the upper left and lower right corner of selected Blocks |
| 37 | // m_rowSelection and m_colSelection store individual selected |
| 38 | // rows and columns; maybe those are superfluous and should be |
| 39 | // treated as blocks? |
| 40 | |
| 41 | wxGridSelection::wxGridSelection( wxGrid * grid, |
| 42 | wxGrid::wxGridSelectionModes sel ) |
| 43 | { |
| 44 | m_grid = grid; |
| 45 | m_selectionMode = sel; |
| 46 | } |
| 47 | |
| 48 | bool wxGridSelection::IsSelection() |
| 49 | { |
| 50 | return ( m_cellSelection.GetCount() || m_blockSelectionTopLeft.GetCount() || |
| 51 | m_rowSelection.GetCount() || m_colSelection.GetCount() ); |
| 52 | } |
| 53 | |
| 54 | bool wxGridSelection::IsInSelection( int row, int col ) |
| 55 | { |
| 56 | size_t count; |
| 57 | |
| 58 | // First check whether the given cell is individually selected |
| 59 | // (if m_selectionMode is wxGridSelectCells). |
| 60 | if ( m_selectionMode == wxGrid::wxGridSelectCells ) |
| 61 | { |
| 62 | count = m_cellSelection.GetCount(); |
| 63 | for ( size_t n = 0; n < count; n++ ) |
| 64 | { |
| 65 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 66 | if ( row == coords.GetRow() && col == coords.GetCol() ) |
| 67 | return true; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | // Now check whether the given cell is |
| 72 | // contained in one of the selected blocks. |
| 73 | count = m_blockSelectionTopLeft.GetCount(); |
| 74 | for ( size_t n = 0; n < count; n++ ) |
| 75 | { |
| 76 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 77 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 78 | if ( BlockContainsCell(coords1.GetRow(), coords1.GetCol(), |
| 79 | coords2.GetRow(), coords2.GetCol(), |
| 80 | row, col ) ) |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | // Now check whether the given cell is |
| 85 | // contained in one of the selected rows |
| 86 | // (unless we are in column selection mode). |
| 87 | if ( m_selectionMode != wxGrid::wxGridSelectColumns ) |
| 88 | { |
| 89 | count = m_rowSelection.GetCount(); |
| 90 | for ( size_t n = 0; n < count; n++ ) |
| 91 | { |
| 92 | if ( row == m_rowSelection[n] ) |
| 93 | return true; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | // Now check whether the given cell is |
| 98 | // contained in one of the selected columns |
| 99 | // (unless we are in row selection mode). |
| 100 | if ( m_selectionMode != wxGrid::wxGridSelectRows ) |
| 101 | { |
| 102 | count = m_colSelection.GetCount(); |
| 103 | for ( size_t n = 0; n < count; n++ ) |
| 104 | { |
| 105 | if ( col == m_colSelection[n] ) |
| 106 | return true; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | return false; |
| 111 | } |
| 112 | |
| 113 | // Change the selection mode |
| 114 | void wxGridSelection::SetSelectionMode( wxGrid::wxGridSelectionModes selmode ) |
| 115 | { |
| 116 | // if selection mode is unchanged return immediately |
| 117 | if (selmode == m_selectionMode) |
| 118 | return; |
| 119 | |
| 120 | if ( m_selectionMode != wxGrid::wxGridSelectCells ) |
| 121 | { |
| 122 | // if changing form row to column selection |
| 123 | // or vice versa, clear the selection. |
| 124 | if ( selmode != wxGrid::wxGridSelectCells ) |
| 125 | ClearSelection(); |
| 126 | |
| 127 | m_selectionMode = selmode; |
| 128 | } |
| 129 | else |
| 130 | { |
| 131 | // if changing from cell selection to something else, |
| 132 | // promote selected cells/blocks to whole rows/columns. |
| 133 | size_t n; |
| 134 | while ( ( n = m_cellSelection.GetCount() ) > 0 ) |
| 135 | { |
| 136 | n--; |
| 137 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 138 | int row = coords.GetRow(); |
| 139 | int col = coords.GetCol(); |
| 140 | m_cellSelection.RemoveAt(n); |
| 141 | if (selmode == wxGrid::wxGridSelectRows) |
| 142 | SelectRow( row ); |
| 143 | else // selmode == wxGridSelectColumns) |
| 144 | SelectCol( col ); |
| 145 | } |
| 146 | |
| 147 | // Note that m_blockSelectionTopLeft's size may be changing! |
| 148 | for (n = 0; n < m_blockSelectionTopLeft.GetCount(); n++) |
| 149 | { |
| 150 | wxGridCellCoords& coords = m_blockSelectionTopLeft[n]; |
| 151 | int topRow = coords.GetRow(); |
| 152 | int leftCol = coords.GetCol(); |
| 153 | coords = m_blockSelectionBottomRight[n]; |
| 154 | int bottomRow = coords.GetRow(); |
| 155 | int rightCol = coords.GetCol(); |
| 156 | |
| 157 | if (selmode == wxGrid::wxGridSelectRows) |
| 158 | { |
| 159 | if (leftCol != 0 || rightCol != m_grid->GetNumberCols() - 1 ) |
| 160 | { |
| 161 | m_blockSelectionTopLeft.RemoveAt(n); |
| 162 | m_blockSelectionBottomRight.RemoveAt(n); |
| 163 | SelectBlock( topRow, 0, |
| 164 | bottomRow, m_grid->GetNumberCols() - 1, |
| 165 | false, false, false, false, false ); |
| 166 | } |
| 167 | } |
| 168 | else // selmode == wxGridSelectColumns) |
| 169 | { |
| 170 | if (topRow != 0 || bottomRow != m_grid->GetNumberRows() - 1 ) |
| 171 | { |
| 172 | m_blockSelectionTopLeft.RemoveAt(n); |
| 173 | m_blockSelectionBottomRight.RemoveAt(n); |
| 174 | SelectBlock( 0, leftCol, |
| 175 | m_grid->GetNumberRows() - 1, rightCol, |
| 176 | false, false, false, false, false ); |
| 177 | } |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | m_selectionMode = selmode; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | void wxGridSelection::SelectRow( int row, |
| 186 | bool ControlDown, bool ShiftDown, |
| 187 | bool AltDown, bool MetaDown ) |
| 188 | { |
| 189 | if ( m_selectionMode == wxGrid::wxGridSelectColumns ) |
| 190 | return; |
| 191 | |
| 192 | size_t count, n; |
| 193 | |
| 194 | // Remove single cells contained in newly selected block. |
| 195 | if ( m_selectionMode == wxGrid::wxGridSelectCells ) |
| 196 | { |
| 197 | count = m_cellSelection.GetCount(); |
| 198 | for ( n = 0; n < count; n++ ) |
| 199 | { |
| 200 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 201 | if ( BlockContainsCell( row, 0, row, m_grid->GetNumberCols() - 1, |
| 202 | coords.GetRow(), coords.GetCol() ) ) |
| 203 | { |
| 204 | m_cellSelection.RemoveAt(n); |
| 205 | n--; |
| 206 | count--; |
| 207 | } |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | // Simplify list of selected blocks (if possible) |
| 212 | count = m_blockSelectionTopLeft.GetCount(); |
| 213 | bool done = false; |
| 214 | |
| 215 | for ( n = 0; n < count; n++ ) |
| 216 | { |
| 217 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 218 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 219 | |
| 220 | // Remove block if it is a subset of the row |
| 221 | if ( coords1.GetRow() == row && row == coords2.GetRow() ) |
| 222 | { |
| 223 | m_blockSelectionTopLeft.RemoveAt(n); |
| 224 | m_blockSelectionBottomRight.RemoveAt(n); |
| 225 | n--; |
| 226 | count--; |
| 227 | } |
| 228 | else if ( coords1.GetCol() == 0 && |
| 229 | coords2.GetCol() == m_grid->GetNumberCols() - 1 ) |
| 230 | { |
| 231 | // silently return, if row is contained in block |
| 232 | if ( coords1.GetRow() <= row && row <= coords2.GetRow() ) |
| 233 | return; |
| 234 | // expand block, if it touched row |
| 235 | else if ( coords1.GetRow() == row + 1) |
| 236 | { |
| 237 | coords1.SetRow(row); |
| 238 | done = true; |
| 239 | } |
| 240 | else if ( coords2.GetRow() == row - 1) |
| 241 | { |
| 242 | coords2.SetRow(row); |
| 243 | done = true; |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | // Unless we successfully handled the row, |
| 249 | // check whether row is already selected. |
| 250 | if ( !done ) |
| 251 | { |
| 252 | count = m_rowSelection.GetCount(); |
| 253 | for ( n = 0; n < count; n++ ) |
| 254 | { |
| 255 | if ( row == m_rowSelection[n] ) |
| 256 | return; |
| 257 | } |
| 258 | |
| 259 | // Add row to selection |
| 260 | m_rowSelection.Add(row); |
| 261 | } |
| 262 | |
| 263 | // Update View: |
| 264 | if ( !m_grid->GetBatchCount() ) |
| 265 | { |
| 266 | wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ), |
| 267 | wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) ); |
| 268 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 269 | } |
| 270 | |
| 271 | // Send Event |
| 272 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 273 | wxEVT_GRID_RANGE_SELECT, |
| 274 | m_grid, |
| 275 | wxGridCellCoords( row, 0 ), |
| 276 | wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ), |
| 277 | true, |
| 278 | ControlDown, ShiftDown, |
| 279 | AltDown, MetaDown ); |
| 280 | |
| 281 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 282 | } |
| 283 | |
| 284 | void wxGridSelection::SelectCol( int col, |
| 285 | bool ControlDown, bool ShiftDown, |
| 286 | bool AltDown, bool MetaDown ) |
| 287 | { |
| 288 | if ( m_selectionMode == wxGrid::wxGridSelectRows ) |
| 289 | return; |
| 290 | size_t count, n; |
| 291 | |
| 292 | // Remove single cells contained in newly selected block. |
| 293 | if ( m_selectionMode == wxGrid::wxGridSelectCells ) |
| 294 | { |
| 295 | count = m_cellSelection.GetCount(); |
| 296 | for ( n = 0; n < count; n++ ) |
| 297 | { |
| 298 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 299 | if ( BlockContainsCell( 0, col, m_grid->GetNumberRows() - 1, col, |
| 300 | coords.GetRow(), coords.GetCol() ) ) |
| 301 | { |
| 302 | m_cellSelection.RemoveAt(n); |
| 303 | n--; |
| 304 | count--; |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | // Simplify list of selected blocks (if possible) |
| 310 | count = m_blockSelectionTopLeft.GetCount(); |
| 311 | bool done = false; |
| 312 | for ( n = 0; n < count; n++ ) |
| 313 | { |
| 314 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 315 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 316 | |
| 317 | // Remove block if it is a subset of the column |
| 318 | if ( coords1.GetCol() == col && col == coords2.GetCol() ) |
| 319 | { |
| 320 | m_blockSelectionTopLeft.RemoveAt(n); |
| 321 | m_blockSelectionBottomRight.RemoveAt(n); |
| 322 | n--; |
| 323 | count--; |
| 324 | } |
| 325 | else if ( coords1.GetRow() == 0 && |
| 326 | coords2.GetRow() == m_grid->GetNumberRows() - 1 ) |
| 327 | { |
| 328 | // silently return, if row is contained in block |
| 329 | if ( coords1.GetCol() <= col && col <= coords2.GetCol() ) |
| 330 | return; |
| 331 | // expand block, if it touched col |
| 332 | else if ( coords1.GetCol() == col + 1) |
| 333 | { |
| 334 | coords1.SetCol(col); |
| 335 | done = true; |
| 336 | } |
| 337 | else if ( coords2.GetCol() == col - 1) |
| 338 | { |
| 339 | coords2.SetCol(col); |
| 340 | done = true; |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | // Unless we successfully handled the column, |
| 346 | // Check whether col is already selected. |
| 347 | if ( !done ) |
| 348 | { |
| 349 | count = m_colSelection.GetCount(); |
| 350 | for ( n = 0; n < count; n++ ) |
| 351 | { |
| 352 | if ( col == m_colSelection[n] ) |
| 353 | return; |
| 354 | } |
| 355 | |
| 356 | // Add col to selection |
| 357 | m_colSelection.Add(col); |
| 358 | } |
| 359 | |
| 360 | // Update View: |
| 361 | if ( !m_grid->GetBatchCount() ) |
| 362 | { |
| 363 | wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ), |
| 364 | wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) ); |
| 365 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 366 | } |
| 367 | |
| 368 | // Send Event |
| 369 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 370 | wxEVT_GRID_RANGE_SELECT, |
| 371 | m_grid, |
| 372 | wxGridCellCoords( 0, col ), |
| 373 | wxGridCellCoords( m_grid->GetNumberRows() - 1, col ), |
| 374 | true, |
| 375 | ControlDown, ShiftDown, |
| 376 | AltDown, MetaDown ); |
| 377 | |
| 378 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 379 | } |
| 380 | |
| 381 | void wxGridSelection::SelectBlock( int topRow, int leftCol, |
| 382 | int bottomRow, int rightCol, |
| 383 | bool ControlDown, bool ShiftDown, |
| 384 | bool AltDown, bool MetaDown, |
| 385 | bool sendEvent ) |
| 386 | { |
| 387 | // Fix the coordinates of the block if needed. |
| 388 | if ( m_selectionMode == wxGrid::wxGridSelectRows ) |
| 389 | { |
| 390 | leftCol = 0; |
| 391 | rightCol = m_grid->GetNumberCols() - 1; |
| 392 | } |
| 393 | else if ( m_selectionMode == wxGrid::wxGridSelectColumns ) |
| 394 | { |
| 395 | topRow = 0; |
| 396 | bottomRow = m_grid->GetNumberRows() - 1; |
| 397 | } |
| 398 | |
| 399 | if ( topRow > bottomRow ) |
| 400 | { |
| 401 | int temp = topRow; |
| 402 | topRow = bottomRow; |
| 403 | bottomRow = temp; |
| 404 | } |
| 405 | |
| 406 | if ( leftCol > rightCol ) |
| 407 | { |
| 408 | int temp = leftCol; |
| 409 | leftCol = rightCol; |
| 410 | rightCol = temp; |
| 411 | } |
| 412 | |
| 413 | // Handle single cell selection in SelectCell. |
| 414 | // (MB: added check for selection mode here to prevent |
| 415 | // crashes if, for example, we are select rows and the |
| 416 | // grid only has 1 col) |
| 417 | if ( m_selectionMode == wxGrid::wxGridSelectCells && |
| 418 | topRow == bottomRow && leftCol == rightCol ) |
| 419 | { |
| 420 | SelectCell( topRow, leftCol, ControlDown, ShiftDown, |
| 421 | AltDown, MetaDown, sendEvent ); |
| 422 | } |
| 423 | |
| 424 | size_t count, n; |
| 425 | |
| 426 | // Remove single cells contained in newly selected block. |
| 427 | if ( m_selectionMode == wxGrid::wxGridSelectCells ) |
| 428 | { |
| 429 | count = m_cellSelection.GetCount(); |
| 430 | for ( n = 0; n < count; n++ ) |
| 431 | { |
| 432 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 433 | if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol, |
| 434 | coords.GetRow(), coords.GetCol() ) ) |
| 435 | { |
| 436 | m_cellSelection.RemoveAt(n); |
| 437 | n--; |
| 438 | count--; |
| 439 | } |
| 440 | } |
| 441 | } |
| 442 | |
| 443 | // If a block containing the selection is already selected, return, |
| 444 | // if a block contained in the selection is found, remove it. |
| 445 | |
| 446 | count = m_blockSelectionTopLeft.GetCount(); |
| 447 | for ( n = 0; n < count; n++ ) |
| 448 | { |
| 449 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 450 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 451 | |
| 452 | switch ( BlockContain( coords1.GetRow(), coords1.GetCol(), |
| 453 | coords2.GetRow(), coords2.GetCol(), |
| 454 | topRow, leftCol, bottomRow, rightCol ) ) |
| 455 | { |
| 456 | case 1: |
| 457 | return; |
| 458 | |
| 459 | case -1: |
| 460 | m_blockSelectionTopLeft.RemoveAt(n); |
| 461 | m_blockSelectionBottomRight.RemoveAt(n); |
| 462 | n--; |
| 463 | count--; |
| 464 | break; |
| 465 | |
| 466 | default: |
| 467 | break; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | // If a row containing the selection is already selected, return, |
| 472 | // if a row contained in newly selected block is found, remove it. |
| 473 | if ( m_selectionMode != wxGrid::wxGridSelectColumns ) |
| 474 | { |
| 475 | count = m_rowSelection.GetCount(); |
| 476 | for ( n = 0; n < count; n++ ) |
| 477 | { |
| 478 | switch ( BlockContain( m_rowSelection[n], 0, |
| 479 | m_rowSelection[n], m_grid->GetNumberCols() - 1, |
| 480 | topRow, leftCol, bottomRow, rightCol ) ) |
| 481 | { |
| 482 | case 1: |
| 483 | return; |
| 484 | |
| 485 | case -1: |
| 486 | m_rowSelection.RemoveAt(n); |
| 487 | n--; |
| 488 | count--; |
| 489 | break; |
| 490 | |
| 491 | default: |
| 492 | break; |
| 493 | } |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | if ( m_selectionMode != wxGrid::wxGridSelectRows ) |
| 498 | { |
| 499 | count = m_colSelection.GetCount(); |
| 500 | for ( n = 0; n < count; n++ ) |
| 501 | { |
| 502 | switch ( BlockContain( 0, m_colSelection[n], |
| 503 | m_grid->GetNumberRows() - 1, m_colSelection[n], |
| 504 | topRow, leftCol, bottomRow, rightCol ) ) |
| 505 | { |
| 506 | case 1: |
| 507 | return; |
| 508 | |
| 509 | case -1: |
| 510 | m_colSelection.RemoveAt(n); |
| 511 | n--; |
| 512 | count--; |
| 513 | break; |
| 514 | |
| 515 | default: |
| 516 | break; |
| 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | m_blockSelectionTopLeft.Add( wxGridCellCoords( topRow, leftCol ) ); |
| 522 | m_blockSelectionBottomRight.Add( wxGridCellCoords( bottomRow, rightCol ) ); |
| 523 | |
| 524 | // Update View: |
| 525 | if ( !m_grid->GetBatchCount() ) |
| 526 | { |
| 527 | wxRect r = m_grid->BlockToDeviceRect( wxGridCellCoords( topRow, leftCol ), |
| 528 | wxGridCellCoords( bottomRow, rightCol ) ); |
| 529 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 530 | } |
| 531 | |
| 532 | // Send Event, if not disabled. |
| 533 | if ( sendEvent ) |
| 534 | { |
| 535 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 536 | wxEVT_GRID_RANGE_SELECT, |
| 537 | m_grid, |
| 538 | wxGridCellCoords( topRow, leftCol ), |
| 539 | wxGridCellCoords( bottomRow, rightCol ), |
| 540 | true, |
| 541 | ControlDown, ShiftDown, |
| 542 | AltDown, MetaDown ); |
| 543 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | void wxGridSelection::SelectCell( int row, int col, |
| 548 | bool ControlDown, bool ShiftDown, |
| 549 | bool AltDown, bool MetaDown, |
| 550 | bool sendEvent ) |
| 551 | { |
| 552 | if ( m_selectionMode == wxGrid::wxGridSelectRows ) |
| 553 | { |
| 554 | SelectBlock(row, 0, row, m_grid->GetNumberCols() - 1, |
| 555 | ControlDown, ShiftDown, AltDown, MetaDown, sendEvent); |
| 556 | |
| 557 | return; |
| 558 | } |
| 559 | else if ( m_selectionMode == wxGrid::wxGridSelectColumns ) |
| 560 | { |
| 561 | SelectBlock(0, col, m_grid->GetNumberRows() - 1, col, |
| 562 | ControlDown, ShiftDown, AltDown, MetaDown, sendEvent); |
| 563 | |
| 564 | return; |
| 565 | } |
| 566 | else if ( IsInSelection ( row, col ) ) |
| 567 | return; |
| 568 | |
| 569 | m_cellSelection.Add( wxGridCellCoords( row, col ) ); |
| 570 | |
| 571 | // Update View: |
| 572 | if ( !m_grid->GetBatchCount() ) |
| 573 | { |
| 574 | wxRect r = m_grid->BlockToDeviceRect( |
| 575 | wxGridCellCoords( row, col ), |
| 576 | wxGridCellCoords( row, col ) ); |
| 577 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 578 | } |
| 579 | |
| 580 | // Send event |
| 581 | if (sendEvent) |
| 582 | { |
| 583 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 584 | wxEVT_GRID_RANGE_SELECT, |
| 585 | m_grid, |
| 586 | wxGridCellCoords( row, col ), |
| 587 | wxGridCellCoords( row, col ), |
| 588 | true, |
| 589 | ControlDown, ShiftDown, |
| 590 | AltDown, MetaDown ); |
| 591 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | void wxGridSelection::ToggleCellSelection( int row, int col, |
| 596 | bool ControlDown, bool ShiftDown, |
| 597 | bool AltDown, bool MetaDown ) |
| 598 | { |
| 599 | // if the cell is not selected, select it |
| 600 | if ( !IsInSelection ( row, col ) ) |
| 601 | { |
| 602 | SelectCell( row, col, ControlDown, ShiftDown, AltDown, MetaDown ); |
| 603 | |
| 604 | return; |
| 605 | } |
| 606 | |
| 607 | // otherwise deselect it. This can be simple or more or |
| 608 | // less difficult, depending on how the cell is selected. |
| 609 | size_t count, n; |
| 610 | |
| 611 | // The simplest case: The cell is contained in m_cellSelection |
| 612 | // Then it can't be contained in rows/cols/block (since those |
| 613 | // would remove the cell from m_cellSelection on creation), so |
| 614 | // we just have to remove it from m_cellSelection. |
| 615 | |
| 616 | if ( m_selectionMode == wxGrid::wxGridSelectCells ) |
| 617 | { |
| 618 | count = m_cellSelection.GetCount(); |
| 619 | for ( n = 0; n < count; n++ ) |
| 620 | { |
| 621 | const wxGridCellCoords& sel = m_cellSelection[n]; |
| 622 | if ( row == sel.GetRow() && col == sel.GetCol() ) |
| 623 | { |
| 624 | wxGridCellCoords coords = m_cellSelection[n]; |
| 625 | m_cellSelection.RemoveAt(n); |
| 626 | if ( !m_grid->GetBatchCount() ) |
| 627 | { |
| 628 | wxRect r = m_grid->BlockToDeviceRect( coords, coords ); |
| 629 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 630 | } |
| 631 | |
| 632 | // Send event |
| 633 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 634 | wxEVT_GRID_RANGE_SELECT, |
| 635 | m_grid, |
| 636 | wxGridCellCoords( row, col ), |
| 637 | wxGridCellCoords( row, col ), |
| 638 | false, |
| 639 | ControlDown, ShiftDown, |
| 640 | AltDown, MetaDown ); |
| 641 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 642 | |
| 643 | return; |
| 644 | } |
| 645 | } |
| 646 | } |
| 647 | |
| 648 | // The most difficult case: The cell is member of one or even several |
| 649 | // blocks. Split each such block in up to 4 new parts, that don't |
| 650 | // contain the cell to be selected, like this: |
| 651 | // |---------------------------| |
| 652 | // | | |
| 653 | // | part 1 | |
| 654 | // | | |
| 655 | // |---------------------------| |
| 656 | // | part 3 |x| part 4 | |
| 657 | // |---------------------------| |
| 658 | // | | |
| 659 | // | part 2 | |
| 660 | // | | |
| 661 | // |---------------------------| |
| 662 | // (The x marks the newly deselected cell). |
| 663 | // Note: in row selection mode, we only need part1 and part2; |
| 664 | // in column selection mode, we only need part 3 and part4, |
| 665 | // which are expanded to whole columns automatically! |
| 666 | |
| 667 | count = m_blockSelectionTopLeft.GetCount(); |
| 668 | for ( n = 0; n < count; n++ ) |
| 669 | { |
| 670 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 671 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 672 | int topRow = coords1.GetRow(); |
| 673 | int leftCol = coords1.GetCol(); |
| 674 | int bottomRow = coords2.GetRow(); |
| 675 | int rightCol = coords2.GetCol(); |
| 676 | |
| 677 | if ( BlockContainsCell( topRow, leftCol, bottomRow, rightCol, row, col ) ) |
| 678 | { |
| 679 | // remove the block |
| 680 | m_blockSelectionTopLeft.RemoveAt(n); |
| 681 | m_blockSelectionBottomRight.RemoveAt(n); |
| 682 | n--; |
| 683 | count--; |
| 684 | |
| 685 | // add up to 4 smaller blocks and set update region |
| 686 | if ( m_selectionMode != wxGrid::wxGridSelectColumns ) |
| 687 | { |
| 688 | if ( topRow < row ) |
| 689 | SelectBlock( topRow, leftCol, row - 1, rightCol, |
| 690 | false, false, false, false, false ); |
| 691 | if ( bottomRow > row ) |
| 692 | SelectBlock( row + 1, leftCol, bottomRow, rightCol, |
| 693 | false, false, false, false, false ); |
| 694 | } |
| 695 | |
| 696 | if ( m_selectionMode != wxGrid::wxGridSelectRows ) |
| 697 | { |
| 698 | if ( leftCol < col ) |
| 699 | SelectBlock( row, leftCol, row, col - 1, |
| 700 | false, false, false, false, false ); |
| 701 | if ( rightCol > col ) |
| 702 | SelectBlock( row, col + 1, row, rightCol, |
| 703 | false, false, false, false, false ); |
| 704 | } |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | // remove a cell from a row, adding up to two new blocks |
| 709 | if ( m_selectionMode != wxGrid::wxGridSelectColumns ) |
| 710 | { |
| 711 | count = m_rowSelection.GetCount(); |
| 712 | for ( n = 0; n < count; n++ ) |
| 713 | { |
| 714 | if ( m_rowSelection[n] == row ) |
| 715 | { |
| 716 | m_rowSelection.RemoveAt(n); |
| 717 | n--; |
| 718 | count--; |
| 719 | |
| 720 | if (m_selectionMode == wxGrid::wxGridSelectCells) |
| 721 | { |
| 722 | if ( col > 0 ) |
| 723 | SelectBlock( row, 0, row, col - 1, |
| 724 | false, false, false, false, false ); |
| 725 | if ( col < m_grid->GetNumberCols() - 1 ) |
| 726 | SelectBlock( row, col + 1, |
| 727 | row, m_grid->GetNumberCols() - 1, |
| 728 | false, false, false, false, false ); |
| 729 | } |
| 730 | } |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | // remove a cell from a column, adding up to two new blocks |
| 735 | if ( m_selectionMode != wxGrid::wxGridSelectRows ) |
| 736 | { |
| 737 | count = m_colSelection.GetCount(); |
| 738 | for ( n = 0; n < count; n++ ) |
| 739 | { |
| 740 | if ( m_colSelection[n] == col ) |
| 741 | { |
| 742 | m_colSelection.RemoveAt(n); |
| 743 | n--; |
| 744 | count--; |
| 745 | |
| 746 | if (m_selectionMode == wxGrid::wxGridSelectCells) |
| 747 | { |
| 748 | if ( row > 0 ) |
| 749 | SelectBlock( 0, col, row - 1, col, |
| 750 | false, false, false, false, false ); |
| 751 | if ( row < m_grid->GetNumberRows() - 1 ) |
| 752 | SelectBlock( row + 1, col, |
| 753 | m_grid->GetNumberRows() - 1, col, |
| 754 | false, false, false, false, false ); |
| 755 | } |
| 756 | } |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | // Refresh the screen and send the event; according to m_selectionMode, |
| 761 | // we need to either update only the cell, or the whole row/column. |
| 762 | wxRect r; |
| 763 | switch (m_selectionMode) |
| 764 | { |
| 765 | case wxGrid::wxGridSelectCells: |
| 766 | { |
| 767 | if ( !m_grid->GetBatchCount() ) |
| 768 | { |
| 769 | r = m_grid->BlockToDeviceRect( |
| 770 | wxGridCellCoords( row, col ), |
| 771 | wxGridCellCoords( row, col ) ); |
| 772 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 773 | } |
| 774 | |
| 775 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 776 | wxEVT_GRID_RANGE_SELECT, |
| 777 | m_grid, |
| 778 | wxGridCellCoords( row, col ), |
| 779 | wxGridCellCoords( row, col ), |
| 780 | false, |
| 781 | ControlDown, ShiftDown, |
| 782 | AltDown, MetaDown ); |
| 783 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 784 | } |
| 785 | break; |
| 786 | |
| 787 | case wxGrid::wxGridSelectRows: |
| 788 | { |
| 789 | if ( !m_grid->GetBatchCount() ) |
| 790 | { |
| 791 | r = m_grid->BlockToDeviceRect( |
| 792 | wxGridCellCoords( row, 0 ), |
| 793 | wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) ); |
| 794 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 795 | } |
| 796 | |
| 797 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 798 | wxEVT_GRID_RANGE_SELECT, |
| 799 | m_grid, |
| 800 | wxGridCellCoords( row, 0 ), |
| 801 | wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ), |
| 802 | false, |
| 803 | ControlDown, ShiftDown, |
| 804 | AltDown, MetaDown ); |
| 805 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 806 | } |
| 807 | break; |
| 808 | |
| 809 | case wxGrid::wxGridSelectColumns: |
| 810 | { |
| 811 | if ( !m_grid->GetBatchCount() ) |
| 812 | { |
| 813 | r = m_grid->BlockToDeviceRect( |
| 814 | wxGridCellCoords( 0, col ), |
| 815 | wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) ); |
| 816 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 817 | } |
| 818 | |
| 819 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 820 | wxEVT_GRID_RANGE_SELECT, |
| 821 | m_grid, |
| 822 | wxGridCellCoords( 0, col ), |
| 823 | wxGridCellCoords( m_grid->GetNumberRows() - 1, col ), |
| 824 | false, |
| 825 | ControlDown, ShiftDown, |
| 826 | AltDown, MetaDown ); |
| 827 | m_grid->GetEventHandler()->ProcessEvent( gridEvt ); |
| 828 | } |
| 829 | break; |
| 830 | |
| 831 | default: |
| 832 | break; |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | void wxGridSelection::ClearSelection() |
| 837 | { |
| 838 | size_t n; |
| 839 | wxRect r; |
| 840 | wxGridCellCoords coords1, coords2; |
| 841 | |
| 842 | // deselect all individual cells and update the screen |
| 843 | if ( m_selectionMode == wxGrid::wxGridSelectCells ) |
| 844 | { |
| 845 | while ( ( n = m_cellSelection.GetCount() ) > 0) |
| 846 | { |
| 847 | n--; |
| 848 | coords1 = m_cellSelection[n]; |
| 849 | m_cellSelection.RemoveAt(n); |
| 850 | if ( !m_grid->GetBatchCount() ) |
| 851 | { |
| 852 | r = m_grid->BlockToDeviceRect( coords1, coords1 ); |
| 853 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 854 | |
| 855 | #ifdef __WXMAC__ |
| 856 | ((wxWindow *)m_grid->m_gridWin)->Update(); |
| 857 | #endif |
| 858 | } |
| 859 | } |
| 860 | } |
| 861 | |
| 862 | // deselect all blocks and update the screen |
| 863 | while ( ( n = m_blockSelectionTopLeft.GetCount() ) > 0) |
| 864 | { |
| 865 | n--; |
| 866 | coords1 = m_blockSelectionTopLeft[n]; |
| 867 | coords2 = m_blockSelectionBottomRight[n]; |
| 868 | m_blockSelectionTopLeft.RemoveAt(n); |
| 869 | m_blockSelectionBottomRight.RemoveAt(n); |
| 870 | if ( !m_grid->GetBatchCount() ) |
| 871 | { |
| 872 | r = m_grid->BlockToDeviceRect( coords1, coords2 ); |
| 873 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 874 | |
| 875 | #ifdef __WXMAC__ |
| 876 | ((wxWindow *)m_grid->m_gridWin)->Update(); |
| 877 | #endif |
| 878 | } |
| 879 | } |
| 880 | |
| 881 | // deselect all rows and update the screen |
| 882 | if ( m_selectionMode != wxGrid::wxGridSelectColumns ) |
| 883 | { |
| 884 | while ( ( n = m_rowSelection.GetCount() ) > 0) |
| 885 | { |
| 886 | n--; |
| 887 | int row = m_rowSelection[n]; |
| 888 | m_rowSelection.RemoveAt(n); |
| 889 | if ( !m_grid->GetBatchCount() ) |
| 890 | { |
| 891 | r = m_grid->BlockToDeviceRect( wxGridCellCoords( row, 0 ), |
| 892 | wxGridCellCoords( row, m_grid->GetNumberCols() - 1 ) ); |
| 893 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 894 | |
| 895 | #ifdef __WXMAC__ |
| 896 | ((wxWindow *)m_grid->m_gridWin)->Update(); |
| 897 | #endif |
| 898 | } |
| 899 | } |
| 900 | } |
| 901 | |
| 902 | // deselect all columns and update the screen |
| 903 | if ( m_selectionMode != wxGrid::wxGridSelectRows ) |
| 904 | { |
| 905 | while ( ( n = m_colSelection.GetCount() ) > 0) |
| 906 | { |
| 907 | n--; |
| 908 | int col = m_colSelection[n]; |
| 909 | m_colSelection.RemoveAt(n); |
| 910 | if ( !m_grid->GetBatchCount() ) |
| 911 | { |
| 912 | r = m_grid->BlockToDeviceRect( wxGridCellCoords( 0, col ), |
| 913 | wxGridCellCoords( m_grid->GetNumberRows() - 1, col ) ); |
| 914 | ((wxWindow *)m_grid->m_gridWin)->Refresh( false, &r ); |
| 915 | |
| 916 | #ifdef __WXMAC__ |
| 917 | ((wxWindow *)m_grid->m_gridWin)->Update(); |
| 918 | #endif |
| 919 | } |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | // One deselection event, indicating deselection of _all_ cells. |
| 924 | // (No finer grained events for each of the smaller regions |
| 925 | // deselected above!) |
| 926 | wxGridRangeSelectEvent gridEvt( m_grid->GetId(), |
| 927 | wxEVT_GRID_RANGE_SELECT, |
| 928 | m_grid, |
| 929 | wxGridCellCoords( 0, 0 ), |
| 930 | wxGridCellCoords( |
| 931 | m_grid->GetNumberRows() - 1, |
| 932 | m_grid->GetNumberCols() - 1 ), |
| 933 | false ); |
| 934 | |
| 935 | m_grid->GetEventHandler()->ProcessEvent(gridEvt); |
| 936 | } |
| 937 | |
| 938 | |
| 939 | void wxGridSelection::UpdateRows( size_t pos, int numRows ) |
| 940 | { |
| 941 | size_t count = m_cellSelection.GetCount(); |
| 942 | size_t n; |
| 943 | for ( n = 0; n < count; n++ ) |
| 944 | { |
| 945 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 946 | wxCoord row = coords.GetRow(); |
| 947 | if ((size_t)row >= pos) |
| 948 | { |
| 949 | if (numRows > 0) |
| 950 | { |
| 951 | // If rows inserted, increase row counter where necessary |
| 952 | coords.SetRow(row + numRows); |
| 953 | } |
| 954 | else if (numRows < 0) |
| 955 | { |
| 956 | // If rows deleted ... |
| 957 | if ((size_t)row >= pos - numRows) |
| 958 | { |
| 959 | // ...either decrement row counter (if row still exists)... |
| 960 | coords.SetRow(row + numRows); |
| 961 | } |
| 962 | else |
| 963 | { |
| 964 | // ...or remove the attribute |
| 965 | m_cellSelection.RemoveAt(n); |
| 966 | n--; |
| 967 | count--; |
| 968 | } |
| 969 | } |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | count = m_blockSelectionTopLeft.GetCount(); |
| 974 | for ( n = 0; n < count; n++ ) |
| 975 | { |
| 976 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 977 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 978 | wxCoord row1 = coords1.GetRow(); |
| 979 | wxCoord row2 = coords2.GetRow(); |
| 980 | |
| 981 | if ((size_t)row2 >= pos) |
| 982 | { |
| 983 | if (numRows > 0) |
| 984 | { |
| 985 | // If rows inserted, increase row counter where necessary |
| 986 | coords2.SetRow( row2 + numRows ); |
| 987 | if ((size_t)row1 >= pos) |
| 988 | coords1.SetRow( row1 + numRows ); |
| 989 | } |
| 990 | else if (numRows < 0) |
| 991 | { |
| 992 | // If rows deleted ... |
| 993 | if ((size_t)row2 >= pos - numRows) |
| 994 | { |
| 995 | // ...either decrement row counter (if row still exists)... |
| 996 | coords2.SetRow( row2 + numRows ); |
| 997 | if ((size_t)row1 >= pos) |
| 998 | coords1.SetRow( wxMax(row1 + numRows, (int)pos) ); |
| 999 | |
| 1000 | } |
| 1001 | else |
| 1002 | { |
| 1003 | if ((size_t)row1 >= pos) |
| 1004 | { |
| 1005 | // ...or remove the attribute |
| 1006 | m_blockSelectionTopLeft.RemoveAt(n); |
| 1007 | m_blockSelectionBottomRight.RemoveAt(n); |
| 1008 | n--; |
| 1009 | count--; |
| 1010 | } |
| 1011 | else |
| 1012 | coords2.SetRow( pos ); |
| 1013 | } |
| 1014 | } |
| 1015 | } |
| 1016 | } |
| 1017 | |
| 1018 | count = m_rowSelection.GetCount(); |
| 1019 | for ( n = 0; n < count; n++ ) |
| 1020 | { |
| 1021 | int rowOrCol_ = m_rowSelection[n]; |
| 1022 | |
| 1023 | if ((size_t) rowOrCol_ >= pos) |
| 1024 | { |
| 1025 | if ( numRows > 0 ) |
| 1026 | { |
| 1027 | m_rowSelection[n] += numRows; |
| 1028 | } |
| 1029 | else if ( numRows < 0 ) |
| 1030 | { |
| 1031 | if ((size_t)rowOrCol_ >= (pos - numRows)) |
| 1032 | m_rowSelection[n] += numRows; |
| 1033 | else |
| 1034 | { |
| 1035 | m_rowSelection.RemoveAt( n ); |
| 1036 | n--; |
| 1037 | count--; |
| 1038 | } |
| 1039 | } |
| 1040 | } |
| 1041 | } |
| 1042 | // No need to touch selected columns, unless we removed _all_ |
| 1043 | // rows, in this case, we remove all columns from the selection. |
| 1044 | |
| 1045 | if ( !m_grid->GetNumberRows() ) |
| 1046 | m_colSelection.Clear(); |
| 1047 | } |
| 1048 | |
| 1049 | |
| 1050 | void wxGridSelection::UpdateCols( size_t pos, int numCols ) |
| 1051 | { |
| 1052 | size_t count = m_cellSelection.GetCount(); |
| 1053 | size_t n; |
| 1054 | |
| 1055 | for ( n = 0; n < count; n++ ) |
| 1056 | { |
| 1057 | wxGridCellCoords& coords = m_cellSelection[n]; |
| 1058 | wxCoord col = coords.GetCol(); |
| 1059 | if ((size_t)col >= pos) |
| 1060 | { |
| 1061 | if (numCols > 0) |
| 1062 | { |
| 1063 | // If rows inserted, increase row counter where necessary |
| 1064 | coords.SetCol(col + numCols); |
| 1065 | } |
| 1066 | else if (numCols < 0) |
| 1067 | { |
| 1068 | // If rows deleted ... |
| 1069 | if ((size_t)col >= pos - numCols) |
| 1070 | { |
| 1071 | // ...either decrement row counter (if row still exists)... |
| 1072 | coords.SetCol(col + numCols); |
| 1073 | } |
| 1074 | else |
| 1075 | { |
| 1076 | // ...or remove the attribute |
| 1077 | m_cellSelection.RemoveAt(n); |
| 1078 | n--; |
| 1079 | count--; |
| 1080 | } |
| 1081 | } |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | count = m_blockSelectionTopLeft.GetCount(); |
| 1086 | for ( n = 0; n < count; n++ ) |
| 1087 | { |
| 1088 | wxGridCellCoords& coords1 = m_blockSelectionTopLeft[n]; |
| 1089 | wxGridCellCoords& coords2 = m_blockSelectionBottomRight[n]; |
| 1090 | wxCoord col1 = coords1.GetCol(); |
| 1091 | wxCoord col2 = coords2.GetCol(); |
| 1092 | |
| 1093 | if ((size_t)col2 >= pos) |
| 1094 | { |
| 1095 | if (numCols > 0) |
| 1096 | { |
| 1097 | // If rows inserted, increase row counter where necessary |
| 1098 | coords2.SetCol(col2 + numCols); |
| 1099 | if ((size_t)col1 >= pos) |
| 1100 | coords1.SetCol(col1 + numCols); |
| 1101 | } |
| 1102 | else if (numCols < 0) |
| 1103 | { |
| 1104 | // If cols deleted ... |
| 1105 | if ((size_t)col2 >= pos - numCols) |
| 1106 | { |
| 1107 | // ...either decrement col counter (if col still exists)... |
| 1108 | coords2.SetCol(col2 + numCols); |
| 1109 | if ( (size_t) col1 >= pos) |
| 1110 | coords1.SetCol( wxMax(col1 + numCols, (int)pos) ); |
| 1111 | |
| 1112 | } |
| 1113 | else |
| 1114 | { |
| 1115 | if ((size_t)col1 >= pos) |
| 1116 | { |
| 1117 | // ...or remove the attribute |
| 1118 | m_blockSelectionTopLeft.RemoveAt(n); |
| 1119 | m_blockSelectionBottomRight.RemoveAt(n); |
| 1120 | n--; |
| 1121 | count--; |
| 1122 | } |
| 1123 | else |
| 1124 | coords2.SetCol(pos); |
| 1125 | } |
| 1126 | } |
| 1127 | } |
| 1128 | } |
| 1129 | |
| 1130 | count = m_colSelection.GetCount(); |
| 1131 | for ( n = 0; n < count; n++ ) |
| 1132 | { |
| 1133 | int rowOrCol = m_colSelection[n]; |
| 1134 | |
| 1135 | if ((size_t)rowOrCol >= pos) |
| 1136 | { |
| 1137 | if ( numCols > 0 ) |
| 1138 | m_colSelection[n] += numCols; |
| 1139 | else if ( numCols < 0 ) |
| 1140 | { |
| 1141 | if ((size_t)rowOrCol >= (pos - numCols)) |
| 1142 | m_colSelection[n] += numCols; |
| 1143 | else |
| 1144 | { |
| 1145 | m_colSelection.RemoveAt( n ); |
| 1146 | n--; |
| 1147 | count--; |
| 1148 | } |
| 1149 | } |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | // No need to touch selected rows, unless we removed _all_ |
| 1154 | // columns, in this case, we remove all rows from the selection. |
| 1155 | if ( !m_grid->GetNumberCols() ) |
| 1156 | m_rowSelection.Clear(); |
| 1157 | } |
| 1158 | |
| 1159 | int wxGridSelection::BlockContain( int topRow1, int leftCol1, |
| 1160 | int bottomRow1, int rightCol1, |
| 1161 | int topRow2, int leftCol2, |
| 1162 | int bottomRow2, int rightCol2 ) |
| 1163 | // returns 1, if Block1 contains Block2, |
| 1164 | // -1, if Block2 contains Block1, |
| 1165 | // 0, otherwise |
| 1166 | { |
| 1167 | if ( topRow1 <= topRow2 && bottomRow2 <= bottomRow1 && |
| 1168 | leftCol1 <= leftCol2 && rightCol2 <= rightCol1 ) |
| 1169 | return 1; |
| 1170 | else if ( topRow2 <= topRow1 && bottomRow1 <= bottomRow2 && |
| 1171 | leftCol2 <= leftCol1 && rightCol1 <= rightCol2 ) |
| 1172 | return -1; |
| 1173 | |
| 1174 | return 0; |
| 1175 | } |
| 1176 | |
| 1177 | #endif |