vim-patch:8.1.2289: after :diffsplit closing the window does not disable diff
Problem: After :diffsplit closing the window does not disable diff.
Solution: Add "closeoff" to 'diffopt' and add it to the default.
c823477979
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@ -1875,7 +1875,7 @@ A jump table for the options with a short description can be found at |Q_op|.
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security reasons.
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*'dip'* *'diffopt'*
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'diffopt' 'dip' string (default "internal,filler")
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'diffopt' 'dip' string (default "internal,filler,closeoff")
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global
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Option settings for diff mode. It can consist of the following items.
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All are optional. Items must be separated by a comma.
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@ -1932,6 +1932,12 @@ A jump table for the options with a short description can be found at |Q_op|.
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vertical Start diff mode with vertical splits (unless
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explicitly specified otherwise).
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closeoff When a window is closed where 'diff' is set
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and there is only one window remaining in the
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same tab page with 'diff' set, execute
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`:diffoff` in that window. This undoes a
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`:diffsplit` command.
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hiddenoff Do not use diff mode for a buffer when it
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becomes hidden.
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@ -44,7 +44,7 @@
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#include "nvim/os/shell.h"
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static int diff_busy = false; // using diff structs, don't change them
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static int diff_need_update = false; // ex_diffupdate needs to be called
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static bool diff_need_update = false; // ex_diffupdate needs to be called
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// Flags obtained from the 'diffopt' option
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#define DIFF_FILLER 0x001 // display filler lines
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@ -57,8 +57,9 @@ static int diff_need_update = false; // ex_diffupdate needs to be called
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#define DIFF_VERTICAL 0x080 // vertical splits
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#define DIFF_HIDDEN_OFF 0x100 // diffoff when hidden
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#define DIFF_INTERNAL 0x200 // use internal xdiff algorithm
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#define DIFF_CLOSE_OFF 0x400 // diffoff when closing window
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#define ALL_WHITE_DIFF (DIFF_IWHITE | DIFF_IWHITEALL | DIFF_IWHITEEOL)
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static int diff_flags = DIFF_INTERNAL | DIFF_FILLER;
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static int diff_flags = DIFF_INTERNAL | DIFF_FILLER | DIFF_CLOSE_OFF;
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static long diff_algorithm = 0;
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@ -1474,6 +1475,13 @@ void ex_diffoff(exarg_T *eap)
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diff_buf_clear();
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}
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if (!diffwin) {
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diff_need_update = false;
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curtab->tp_diff_invalid = false;
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curtab->tp_diff_update = false;
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diff_clear(curtab);
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}
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// Remove "hor" from from 'scrollopt' if there are no diff windows left.
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if (!diffwin && (vim_strchr(p_sbo, 'h') != NULL)) {
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do_cmdline_cmd("set sbo-=hor");
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@ -1714,6 +1722,7 @@ static void diff_copy_entry(diff_T *dprev, diff_T *dp, int idx_orig,
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///
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/// @param tp
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void diff_clear(tabpage_T *tp)
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FUNC_ATTR_NONNULL_ALL
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{
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diff_T *p;
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diff_T *next_p;
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@ -2143,6 +2152,9 @@ int diffopt_changed(void)
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} else if (STRNCMP(p, "hiddenoff", 9) == 0) {
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p += 9;
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diff_flags_new |= DIFF_HIDDEN_OFF;
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} else if (STRNCMP(p, "closeoff", 8) == 0) {
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p += 8;
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diff_flags_new |= DIFF_CLOSE_OFF;
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} else if (STRNCMP(p, "indent-heuristic", 16) == 0) {
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p += 16;
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diff_indent_heuristic = XDF_INDENT_HEURISTIC;
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@ -2218,6 +2230,13 @@ bool diffopt_hiddenoff(void)
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return (diff_flags & DIFF_HIDDEN_OFF) != 0;
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}
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// Return true if 'diffopt' contains "closeoff".
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bool diffopt_closeoff(void)
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FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
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{
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return (diff_flags & DIFF_CLOSE_OFF) != 0;
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}
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/// Find the difference within a changed line.
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///
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/// @param wp window whose current buffer to check
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@ -612,7 +612,7 @@ return {
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alloced=true,
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redraw={'current_window'},
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varname='p_dip',
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defaults={if_true={vi="internal,filler"}}
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defaults={if_true={vi="internal,filler,closeoff"}}
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},
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{
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full_name='digraph', abbreviation='dg',
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@ -773,3 +773,28 @@ func Test_diff_of_diff()
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call StopVimInTerminal(buf)
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call delete('Xtest_diff_diff')
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endfunc
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func CloseoffSetup()
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enew
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call setline(1, ['one', 'two', 'three'])
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diffthis
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new
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call setline(1, ['one', 'tow', 'three'])
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diffthis
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call assert_equal(1, &diff)
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only!
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endfunc
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func Test_diff_closeoff()
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" "closeoff" included by default: last diff win gets 'diff' reset'
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call CloseoffSetup()
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call assert_equal(0, &diff)
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enew!
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" "closeoff" excluded: last diff win keeps 'diff' set'
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set diffopt-=closeoff
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call CloseoffSetup()
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call assert_equal(1, &diff)
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diffoff!
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enew!
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endfunc
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@ -2418,6 +2418,7 @@ int win_close(win_T *win, bool free_buf)
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bool help_window = false;
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tabpage_T *prev_curtab = curtab;
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frame_T *win_frame = win->w_floating ? NULL : win->w_frame->fr_parent;
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const bool had_diffmode = win->w_p_diff;
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if (last_window() && !win->w_floating) {
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EMSG(_("E444: Cannot close last window"));
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@ -2642,6 +2643,22 @@ int win_close(win_T *win, bool free_buf)
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if (help_window)
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restore_snapshot(SNAP_HELP_IDX, close_curwin);
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// If the window had 'diff' set and now there is only one window left in
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// the tab page with 'diff' set, and "closeoff" is in 'diffopt', then
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// execute ":diffoff!".
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if (diffopt_closeoff() && had_diffmode && curtab == prev_curtab) {
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int diffcount = 0;
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FOR_ALL_WINDOWS_IN_TAB(dwin, curtab) {
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if (dwin->w_p_diff) {
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diffcount++;
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}
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}
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if (diffcount == 1) {
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do_cmdline_cmd("diffoff!");
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}
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}
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curwin->w_pos_changed = true;
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redraw_all_later(NOT_VALID);
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return OK;
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