- // If old.pos() == 0 and old.pos()(1) == LineSeparator
- // delete the LineSeparator.
- // MISSING
-
- // If old.pos() == 1 and old.pos()(0) == LineSeparator
- // delete the LineSeparator.
- // MISSING
-
- // Find a common inset and the corresponding depth.
- size_t depth = 0;
- for (; depth < cur.depth(); ++depth)
- if (&old.inset() == &cur[depth].inset())
- break;
-
- // Whether a common inset is found and whether the cursor is still in
- // the same paragraph (possibly nested).
- bool const same_par = depth < cur.depth() && old.pit() == cur[depth].pit();
- bool const same_par_pos = depth == cur.depth() - 1 && same_par
- && old.pos() == cur[depth].pos();
-
- // If the chars around the old cursor were spaces, delete one of them.
- if (!same_par_pos) {
- // Only if the cursor has really moved.
- if (old.pos() > 0
- && old.pos() < oldpar.size()
- && oldpar.isLineSeparator(old.pos())
- && oldpar.isLineSeparator(old.pos() - 1)
- && !oldpar.isDeleted(old.pos() - 1)
- && !oldpar.isDeleted(old.pos())) {
- oldpar.eraseChar(old.pos() - 1, cur.buffer()->params().track_changes);
-// FIXME: This will not work anymore when we have multiple views of the same buffer
-// In this case, we will have to correct also the cursors held by
-// other bufferviews. It will probably be easier to do that in a more
-// automated way in CursorSlice code. (JMarc 26/09/2001)
- // correct all cursor parts
- if (same_par) {
- fixCursorAfterDelete(cur[depth], old.top());
- need_anchor_change = true;
- }
- return true;
+ // find range of spaces around cursors
+ pos_type from = old.pos();
+ while (from > 0
+ && oldpar.isLineSeparator(from - 1)
+ && !oldpar.isDeleted(from - 1))
+ --from;
+ pos_type to = old.pos();
+ while (to < old.lastpos()
+ && oldpar.isLineSeparator(to)
+ && !oldpar.isDeleted(to))
+ ++to;
+
+ int num_spaces = to - from;
+ // If we are not at the start of the paragraph, keep one space
+ if (from != to && from > 0)
+ --num_spaces;
+
+ // If cursor is inside range, keep one additional space
+ if (same_par && cur.pos() > from && cur.pos() < to)
+ --num_spaces;
+
+ // Remove spaces and adapt cursor.
+ if (num_spaces > 0) {
+ old.recordUndo();
+ int const deleted =
+ deleteSpaces(oldpar, from, to, num_spaces, trackChanges);
+ // correct cur position
+ // FIXME: there can be other cursors pointing there, we should update them
+ if (same_par) {
+ if (cur[depth].pos() >= to)
+ cur[depth].pos() -= deleted;
+ else if (cur[depth].pos() > from)
+ cur[depth].pos() = min(from + 1, old.lastpos());
+ need_anchor_change = true;
projects / lyx.git / blobdiff