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autocmd: add WinClosed event

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- only fire once, just before freeing mem
- trigger when on a different buffer
- avoid recursive calls in another tab
This commit is contained in:
Marcos ALMEIDA
2018-09-29 20:40:53 +02:00
committed by Justin M. Keyes
parent fb8b0503ba
commit 757aad92e8
5 changed files with 105 additions and 5 deletions
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37
src/nvim/window.c
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@@ -2502,9 +2502,10 @@ int win_close(win_T *win, bool free_buf)
return FAIL;
}
win->w_closing = true;
apply_autocmds(EVENT_WINLEAVE, NULL, NULL, FALSE, curbuf);
if (!win_valid(win))
apply_autocmds(EVENT_WINLEAVE, NULL, NULL, false, curbuf);
if (!win_valid(win)) {
return FAIL;
}
win->w_closing = false;
if (last_window())
return FAIL;
@@ -2534,6 +2535,12 @@ int win_close(win_T *win, bool free_buf)
}
}
// Fire WinClosed just before starting to free window-related resources.
do_autocmd_winclosed(win);
// autocmd may have freed the window already.
if (!win_valid_any_tab(win)) {
return OK;
}
/* Free independent synblock before the buffer is freed. */
if (win->w_buffer != NULL)
@@ -2576,6 +2583,7 @@ int win_close(win_T *win, bool free_buf)
win_close_othertab(win, false, prev_curtab);
return FAIL;
}
// Autocommands may have closed the window already, or closed the only
// other window or moved to another tab page.
if (!win_valid(win) || (!win->w_floating && last_window())
@@ -2585,8 +2593,9 @@ int win_close(win_T *win, bool free_buf)
// let terminal buffers know that this window dimensions may be ignored
win->w_closing = true;
/* Free the memory used for the window and get the window that received
* the screen space. */
// Free the memory used for the window and get the window that received
// the screen space.
wp = win_free_mem(win, &dir, NULL);
if (help_window) {
@@ -2678,6 +2687,19 @@ int win_close(win_T *win, bool free_buf)
return OK;
}
static void do_autocmd_winclosed(win_T *win)
FUNC_ATTR_NONNULL_ALL
{
static bool recursive = false;
if (recursive || !has_event(EVENT_WINCLOSED)) {
return;
}
recursive = true;
apply_autocmds(EVENT_WINCLOSED, win->w_buffer->b_fname,
win->w_buffer->b_fname, false, win->w_buffer);
recursive = false;
}
/*
* Close window "win" in tab page "tp", which is not the current tab page.
* This may be the last window in that tab page and result in closing the tab,
@@ -2698,6 +2720,13 @@ void win_close_othertab(win_T *win, int free_buf, tabpage_T *tp)
return; // window is already being closed
}
// Fire WinClosed just before starting to free window-related resources.
do_autocmd_winclosed(win);
// autocmd may have freed the window already.
if (!win_valid_any_tab(win)) {
return;
}
if (win->w_buffer != NULL) {
// Close the link to the buffer.
close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, false);