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API: Implement buffer updates

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Originally written by @phodge in
https://github.com/neovim/neovim/pull/5269.
This commit is contained in:
Peter Hodge
2018-01-26 20:36:11 +01:00
committed by KillTheMule
parent 418abfc9d0
commit edcc73e766
14 changed files with 371 additions and 49 deletions
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27
src/nvim/fold.c
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@@ -20,6 +20,7 @@
#include "nvim/ex_docmd.h"
#include "nvim/func_attr.h"
#include "nvim/indent.h"
#include "nvim/liveupdate.h"
#include "nvim/mark.h"
#include "nvim/memline.h"
#include "nvim/memory.h"
@@ -742,8 +743,20 @@ deleteFold (
/* Deleting markers may make cursor column invalid. */
check_cursor_col();
if (last_lnum > 0)
changed_lines(first_lnum, (colnr_T)0, last_lnum, 0L);
if (last_lnum > 0) {
changed_lines(first_lnum, (colnr_T)0, last_lnum, 0L, false);
// send one LiveUpdate at the end
if (kv_size(curbuf->liveupdate_channels)) {
// last_lnum is the line *after* the last line of the outermost fold
// that was modified. Note also that deleting a fold might only require
// the modification of the *first* line of the fold, but we send through a
// notification that includes every line that was part of the fold
int64_t num_changed = last_lnum - first_lnum;
liveupdate_send_changes(curbuf, first_lnum, num_changed,
num_changed, true);
}
}
}
/* clearFolding() {{{2 */
@@ -1590,7 +1603,15 @@ static void foldCreateMarkers(linenr_T start, linenr_T end)
/* Update both changes here, to avoid all folds after the start are
* changed when the start marker is inserted and the end isn't. */
changed_lines(start, (colnr_T)0, end, 0L);
changed_lines(start, (colnr_T)0, end, 0L, false);
if (kv_size(curbuf->liveupdate_channels)) {
// Note: foldAddMarker() may not actually change start and/or end if
// u_save() is unable to save the buffer line, but we send the LiveUpdate
// anyway since it won't do any harm.
int64_t num_changed = 1 + end - start;
liveupdate_send_changes(curbuf, start, num_changed, num_changed, true);
}
}
/* foldAddMarker() {{{2 */