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| author | Christopher James Lahey <clahey@helixcode.com> | 2000-07-26 04:17:59 +0800 |
|---|---|---|
| committer | Chris Lahey <clahey@src.gnome.org> | 2000-07-26 04:17:59 +0800 |
| commit | 4ab46c1b63a253f77aff9de8a128160ab1b2468f (patch) | |
| tree | f85b3d6f7baf46e01be7a8fc1fb776bc34a13aa2 /widgets/table/e-table-selection-model.c | |
| parent | 384b3e38f2b049f808d1b4a72ca1d396ae6e2fb2 (diff) | |
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Fixed up the bit manipulation a bit here.
2000-07-25 Christopher James Lahey <clahey@helixcode.com>
* e-table-selection-model.c: Fixed up the bit manipulation a bit
here.
svn path=/trunk/; revision=4327
Diffstat (limited to 'widgets/table/e-table-selection-model.c')
| -rw-r--r-- | widgets/table/e-table-selection-model.c | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/widgets/table/e-table-selection-model.c b/widgets/table/e-table-selection-model.c index 9a199f74e8..44ecc07979 100644 --- a/widgets/table/e-table-selection-model.c +++ b/widgets/table/e-table-selection-model.c @@ -42,8 +42,8 @@ model_row_inserted(ETableModel *etm, int row, ETableSelectionModel *etsm) int i; int offset; if(etsm->row_count >= 0) { - if ((etsm->row_count & 0x1f /*%32*/) == 0) { - etsm->selection = e_realloc(etsm->selection, (etsm->row_count >> 5/* /32 */) + 1); + if ((etsm->row_count & 0x1f) == 0) { + etsm->selection = e_realloc(etsm->selection, (etsm->row_count >> 5) + 1); etsm->selection[etsm->row_count >> 5] = 0; } box = row >> 5; @@ -51,7 +51,38 @@ model_row_inserted(ETableModel *etm, int row, ETableSelectionModel *etsm) etsm->selection[i] = (etsm->selection[i] >> 1) & (etsm->selection[i - 1] << 31) } offset = row & 0x1f; - etsm->selection[i] = ((etsm->selection[i] >> (32 - offset)) << (31 - offset)) & ((etsm->selection[i] << offset) >> offset); + etsm->selection[i] = ((etsm->selection[i] >> (32 - offset)) << (32 - offset)) & ((etsm->selection[i] << offset) >> (offset + 1)); + etsm->row_count ++; + } +} + +static void +model_row_deleted(ETableModel *etm, int row, ETableSelectionModel *etsm) +{ + int box; + int i; + int offset; + if(etsm->row_count >= 0) { + box = row >> 5; + last = etsm->row_count >> 5 + + offset = row & 0x1f; + if (offset) + etsm->selection[box] = ((etsm->selection[box] >> (32 - offset)) << (32 - offset)) & ((etsm->selection[box] << offset) >> (offset - 1)); + else + etsm->selection[box] = etsm->selection[box] << 1; + if (box < last) { + etsm->selection[box] &= etsm->selection[box + 1] >> 31; + + for (i = box + 1; i < last; i++) { + etsm->selection[i] = (etsm->selection[i] << 1) & (etsm->selection[i + 1] >> 31); + } + etsm->selection[i] = etsm->selection[i] << 1; + } + etsm->row_count --; + if ((etsm->row_count & 0x1f) == 0) { + etsm->selection = e_realloc(etsm->selection, etsm->row_count >> 5); + } } } |