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-rw-r--r--src/nvim/api/win_config.c147
-rw-r--r--src/nvim/autocmd.c2
-rw-r--r--src/nvim/window.c128
-rw-r--r--src/nvim/winfloat.c2
-rw-r--r--test/functional/api/window_spec.lua319
5 files changed, 491 insertions, 107 deletions
diff --git a/src/nvim/api/win_config.c b/src/nvim/api/win_config.c
index 978d8515c8..bb28000719 100644
--- a/src/nvim/api/win_config.c
+++ b/src/nvim/api/win_config.c
@@ -259,18 +259,20 @@ Window nvim_open_win(Buffer buffer, Boolean enter, Dict(win_config) *config, Err
}
int flags = win_split_flags(fconfig.split, parent == NULL) | WSP_NOENTER;
- if (parent == NULL) {
- wp = win_split_ins(0, flags, NULL, 0, NULL);
- } else {
- tp = win_find_tabpage(parent);
- switchwin_T switchwin;
- // `parent` is valid in `tp`, so switch_win should not fail.
- const int result = switch_win(&switchwin, parent, tp, true);
- assert(result == OK);
- (void)result;
- wp = win_split_ins(0, flags, NULL, 0, NULL);
- restore_win(&switchwin, true);
- }
+ TRY_WRAP(err, {
+ if (parent == NULL || parent == curwin) {
+ wp = win_split_ins(0, flags, NULL, 0, NULL);
+ } else {
+ tp = win_find_tabpage(parent);
+ switchwin_T switchwin;
+ // `parent` is valid in `tp`, so switch_win should not fail.
+ const int result = switch_win(&switchwin, parent, tp, true);
+ assert(result == OK);
+ (void)result;
+ wp = win_split_ins(0, flags, NULL, 0, NULL);
+ restore_win(&switchwin, true);
+ }
+ });
if (wp) {
wp->w_config = fconfig;
}
@@ -278,7 +280,9 @@ Window nvim_open_win(Buffer buffer, Boolean enter, Dict(win_config) *config, Err
wp = win_new_float(NULL, false, fconfig, err);
}
if (!wp) {
- api_set_error(err, kErrorTypeException, "Failed to create window");
+ if (!ERROR_SET(err)) {
+ api_set_error(err, kErrorTypeException, "Failed to create window");
+ }
return 0;
}
@@ -448,17 +452,47 @@ void nvim_win_set_config(Window window, Dict(win_config) *config, Error *err)
return; // error already set
}
- if (was_split) {
- win_T *new_curwin = NULL;
+ bool to_split_ok = false;
+ // If we are moving curwin to another tabpage, switch windows *before* we remove it from the
+ // window list or remove its frame (if non-floating), so it's valid for autocommands.
+ const bool curwin_moving_tp
+ = win == curwin && parent != NULL && win_tp != win_find_tabpage(parent);
+ if (curwin_moving_tp) {
+ if (was_split) {
+ int dir;
+ win_goto(winframe_find_altwin(win, &dir, NULL, NULL));
+ } else {
+ win_goto(win_valid(prevwin) && prevwin != win ? prevwin : firstwin);
+ }
+ // Autocommands may have been a real nuisance and messed things up...
+ if (curwin == win) {
+ api_set_error(err, kErrorTypeException, "Failed to switch away from window %d",
+ win->handle);
+ return;
+ }
+ win_tp = win_find_tabpage(win);
+ if (!win_tp || !win_valid_any_tab(parent)) {
+ api_set_error(err, kErrorTypeException, "Windows to split were closed");
+ goto restore_curwin;
+ }
+ if (was_split == win->w_floating || parent->w_floating) {
+ api_set_error(err, kErrorTypeException, "Floating state of windows to split changed");
+ goto restore_curwin;
+ }
+ }
+
+ int dir = 0;
+ frame_T *unflat_altfr = NULL;
+ if (was_split) {
// If the window is the last in the tabpage or `fconfig.win` is
// a handle to itself, we can't split it.
if (win->w_frame->fr_parent == NULL) {
// FIXME(willothy): if the window is the last in the tabpage but there is another tabpage
// and the target window is in that other tabpage, should we move the window to that
// tabpage and close the previous one, or just error?
- api_set_error(err, kErrorTypeValidation, "Cannot move last window");
- return;
+ api_set_error(err, kErrorTypeException, "Cannot move last window");
+ goto restore_curwin;
} else if (parent != NULL && parent->handle == win->handle) {
int n_frames = 0;
for (frame_T *fr = win->w_frame->fr_parent->fr_child; fr != NULL; fr = fr->fr_next) {
@@ -494,64 +528,67 @@ void nvim_win_set_config(Window window, Dict(win_config) *config, Error *err)
}
// If the frame doesn't have a parent, the old frame
// was the root frame and we need to create a top-level split.
- int dir;
- new_curwin = winframe_remove(win, &dir, win_tp == curtab ? NULL : win_tp, NULL);
+ winframe_remove(win, &dir, win_tp == curtab ? NULL : win_tp, &unflat_altfr);
} else if (n_frames == 2) {
// There are two windows in the frame, we can just rotate it.
- int dir;
- neighbor = winframe_remove(win, &dir, win_tp == curtab ? NULL : win_tp, NULL);
- new_curwin = neighbor;
+ neighbor = winframe_remove(win, &dir, win_tp == curtab ? NULL : win_tp, &unflat_altfr);
} else {
// There is only one window in the frame, we can't split it.
- api_set_error(err, kErrorTypeValidation, "Cannot split window into itself");
- return;
+ api_set_error(err, kErrorTypeException, "Cannot split window into itself");
+ goto restore_curwin;
}
- // Set the parent to whatever the correct
- // neighbor window was determined to be.
+ // Set the parent to whatever the correct neighbor window was determined to be.
parent = neighbor;
} else {
- int dir;
- new_curwin = winframe_remove(win, &dir, win_tp == curtab ? NULL : win_tp, NULL);
- }
- win_remove(win, win_tp == curtab ? NULL : win_tp);
- // move to neighboring window if we're moving the current window to a new tabpage
- if (curwin == win && parent != NULL && new_curwin != NULL
- && win_tp != win_find_tabpage(parent)) {
- win_enter(new_curwin, true);
- if (!win_valid_any_tab(parent)) {
- // win_enter autocommands closed the `parent` to split from.
- api_set_error(err, kErrorTypeException, "Window to split was closed");
- return;
- }
+ winframe_remove(win, &dir, win_tp == curtab ? NULL : win_tp, &unflat_altfr);
}
- } else {
- win_remove(win, win_tp == curtab ? NULL : win_tp);
}
+ win_remove(win, win_tp == curtab ? NULL : win_tp);
int flags = win_split_flags(fconfig.split, parent == NULL) | WSP_NOENTER;
+ TRY_WRAP(err, {
+ const bool need_switch = parent != NULL && parent != curwin;
+ switchwin_T switchwin;
+ if (need_switch) {
+ // `parent` is valid in its tabpage, so switch_win should not fail.
+ const int result = switch_win(&switchwin, parent, win_find_tabpage(parent), true);
+ (void)result;
+ assert(result == OK);
+ }
+ to_split_ok = win_split_ins(0, flags, win, 0, unflat_altfr) != NULL;
+ if (!to_split_ok) {
+ // Restore `win` to the window list now, so it's valid for restore_win (if used).
+ win_append(win->w_prev, win, win_tp == curtab ? NULL : win_tp);
+ }
+ if (need_switch) {
+ restore_win(&switchwin, true);
+ }
+ });
+ if (!to_split_ok) {
+ if (was_split) {
+ // win_split_ins doesn't change sizes or layout if it fails to insert an existing window, so
+ // just undo winframe_remove.
+ winframe_restore(win, dir, unflat_altfr);
+ }
+ if (!ERROR_SET(err)) {
+ api_set_error(err, kErrorTypeException, "Failed to move window %d into split", win->handle);
+ }
- if (parent == NULL) {
- if (!win_split_ins(0, flags, win, 0, NULL)) {
- // TODO(willothy): What should this error message say?
- api_set_error(err, kErrorTypeException, "Failed to split window");
- return;
+restore_curwin:
+ // If `win` was the original curwin, and autocommands didn't move it outside of curtab, be a
+ // good citizen and try to return to it.
+ if (curwin_moving_tp && win_valid(win)) {
+ win_goto(win);
}
- } else {
- switchwin_T switchwin;
- // `parent` is valid in its tabpage, so switch_win should not fail.
- const int result = switch_win(&switchwin, parent, win_find_tabpage(parent), true);
- (void)result;
- assert(result == OK);
- win_split_ins(0, flags, win, 0, NULL);
- restore_win(&switchwin, true);
+ return;
}
+
if (HAS_KEY_X(config, width)) {
win_setwidth_win(fconfig.width, win);
}
if (HAS_KEY_X(config, height)) {
win_setheight_win(fconfig.height, win);
}
- return;
} else {
win_config_float(win, fconfig);
win->w_pos_changed = true;
diff --git a/src/nvim/autocmd.c b/src/nvim/autocmd.c
index 3f93906942..652b6ba74e 100644
--- a/src/nvim/autocmd.c
+++ b/src/nvim/autocmd.c
@@ -1333,7 +1333,7 @@ void aucmd_prepbuf(aco_save_T *aco, buf_T *buf)
block_autocmds(); // We don't want BufEnter/WinEnter autocommands.
if (need_append) {
- win_append(lastwin, auc_win);
+ win_append(lastwin, auc_win, NULL);
pmap_put(int)(&window_handles, auc_win->handle, auc_win);
win_config_float(auc_win, auc_win->w_config);
}
diff --git a/src/nvim/window.c b/src/nvim/window.c
index 80cb9ab6a0..b55dd79260 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -1218,13 +1218,13 @@ win_T *win_split_ins(int size, int flags, win_T *new_wp, int dir, frame_T *to_fl
if (new_wp == NULL) {
wp = win_alloc(oldwin, false);
} else {
- win_append(oldwin, wp);
+ win_append(oldwin, wp, NULL);
}
} else {
if (new_wp == NULL) {
wp = win_alloc(oldwin->w_prev, false);
} else {
- win_append(oldwin->w_prev, wp);
+ win_append(oldwin->w_prev, wp, NULL);
}
}
@@ -1783,13 +1783,13 @@ static void win_exchange(int Prenum)
if (wp->w_prev != curwin) {
win_remove(curwin, NULL);
frame_remove(curwin->w_frame);
- win_append(wp->w_prev, curwin);
+ win_append(wp->w_prev, curwin, NULL);
frame_insert(frp, curwin->w_frame);
}
if (wp != wp2) {
win_remove(wp, NULL);
frame_remove(wp->w_frame);
- win_append(wp2, wp);
+ win_append(wp2, wp, NULL);
if (frp2 == NULL) {
frame_insert(wp->w_frame->fr_parent->fr_child, wp->w_frame);
} else {
@@ -1863,7 +1863,7 @@ static void win_rotate(bool upwards, int count)
// find last frame and append removed window/frame after it
for (; frp->fr_next != NULL; frp = frp->fr_next) {}
- win_append(frp->fr_win, wp1);
+ win_append(frp->fr_win, wp1, NULL);
frame_append(frp, wp1->w_frame);
wp2 = frp->fr_win; // previously last window
@@ -1878,7 +1878,7 @@ static void win_rotate(bool upwards, int count)
assert(frp->fr_parent->fr_child);
// append the removed window/frame before the first in the list
- win_append(frp->fr_parent->fr_child->fr_win->w_prev, wp1);
+ win_append(frp->fr_parent->fr_child->fr_win->w_prev, wp1, NULL);
frame_insert(frp->fr_parent->fr_child, frp);
}
@@ -1937,7 +1937,7 @@ int win_splitmove(win_T *wp, int size, int flags)
// Split a window on the desired side and put "wp" there.
if (win_split_ins(size, flags, wp, dir, unflat_altfr) == NULL) {
- win_append(wp->w_prev, wp);
+ win_append(wp->w_prev, wp, NULL);
if (!wp->w_floating) {
// win_split_ins doesn't change sizes or layout if it fails to insert an
// existing window, so just undo winframe_remove.
@@ -2016,7 +2016,7 @@ void win_move_after(win_T *win1, win_T *win2)
}
win_remove(win1, NULL);
frame_remove(win1->w_frame);
- win_append(win2, win1);
+ win_append(win2, win1, NULL);
frame_append(win2->w_frame, win1->w_frame);
win_comp_pos(); // recompute w_winrow for all windows
@@ -3152,6 +3152,55 @@ void win_free_all(void)
win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp, frame_T **unflat_altfr)
FUNC_ATTR_NONNULL_ARG(1, 2)
{
+ frame_T *altfr;
+ win_T *wp = winframe_find_altwin(win, dirp, tp, &altfr);
+ if (wp == NULL) {
+ return NULL;
+ }
+
+ frame_T *frp_close = win->w_frame;
+ // Remove this frame from the list of frames.
+ frame_remove(frp_close);
+
+ if (*dirp == 'v') {
+ frame_new_height(altfr, altfr->fr_height + frp_close->fr_height,
+ altfr == frp_close->fr_next, false);
+ } else {
+ assert(*dirp == 'h');
+ frame_new_width(altfr, altfr->fr_width + frp_close->fr_width,
+ altfr == frp_close->fr_next, false);
+ }
+
+ // If rows/columns go to a window below/right its positions need to be
+ // updated. Can only be done after the sizes have been updated.
+ if (altfr == frp_close->fr_next) {
+ int row = win->w_winrow;
+ int col = win->w_wincol;
+
+ frame_comp_pos(altfr, &row, &col);
+ }
+
+ if (unflat_altfr == NULL) {
+ frame_flatten(altfr);
+ } else {
+ *unflat_altfr = altfr;
+ }
+
+ return wp;
+}
+
+/// Find the window that will get the freed space from a call to `winframe_remove`.
+/// Makes no changes to the window layout.
+///
+/// @param dirp set to 'v' or 'h' for the direction where "altfr" will be resized
+/// to fill the space
+/// @param tp tab page "win" is in, NULL for current
+/// @param altfr if not NULL, set to pointer of frame that will get the space
+///
+/// @return a pointer to the window that will get the freed up space.
+win_T *winframe_find_altwin(win_T *win, int *dirp, tabpage_T *tp, frame_T **altfr)
+ FUNC_ATTR_NONNULL_ARG(1, 2)
+{
assert(tp == NULL || tp != curtab);
// If there is only one window there is nothing to remove.
@@ -3161,13 +3210,10 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp, frame_T **unflat_al
frame_T *frp_close = win->w_frame;
- // Remove the window from its frame.
+ // Find the window and frame that gets the space.
frame_T *frp2 = win_altframe(win, tp);
win_T *wp = frame2win(frp2);
- // Remove this frame from the list of frames.
- frame_remove(frp_close);
-
if (frp_close->fr_parent->fr_layout == FR_COL) {
// When 'winfixheight' is set, try to find another frame in the column
// (as close to the closed frame as possible) to distribute the height
@@ -3194,8 +3240,6 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp, frame_T **unflat_al
}
}
}
- frame_new_height(frp2, frp2->fr_height + frp_close->fr_height,
- frp2 == frp_close->fr_next, false);
*dirp = 'v';
} else {
// When 'winfixwidth' is set, try to find another frame in the column
@@ -3223,24 +3267,12 @@ win_T *winframe_remove(win_T *win, int *dirp, tabpage_T *tp, frame_T **unflat_al
}
}
}
- frame_new_width(frp2, frp2->fr_width + frp_close->fr_width,
- frp2 == frp_close->fr_next, false);
*dirp = 'h';
}
- // If rows/columns go to a window below/right its positions need to be
- // updated. Can only be done after the sizes have been updated.
- if (frp2 == frp_close->fr_next) {
- int row = win->w_winrow;
- int col = win->w_wincol;
-
- frame_comp_pos(frp2, &row, &col);
- }
-
- if (unflat_altfr == NULL) {
- frame_flatten(frp2);
- } else {
- *unflat_altfr = frp2;
+ assert(wp != win && frp2 != frp_close);
+ if (altfr != NULL) {
+ *altfr = frp2;
}
return wp;
@@ -3305,9 +3337,10 @@ static void frame_flatten(frame_T *frp)
}
/// Undo changes from a prior call to winframe_remove, also restoring lost
-/// vertical separators and statuslines.
+/// vertical separators and statuslines, and changed window positions for
+/// windows within "unflat_altfr".
/// Caller must ensure no other changes were made to the layout or window sizes!
-static void winframe_restore(win_T *wp, int dir, frame_T *unflat_altfr)
+void winframe_restore(win_T *wp, int dir, frame_T *unflat_altfr)
FUNC_ATTR_NONNULL_ALL
{
frame_T *frp = wp->w_frame;
@@ -3333,13 +3366,24 @@ static void winframe_restore(win_T *wp, int dir, frame_T *unflat_altfr)
}
}
+ int row = wp->w_winrow;
+ int col = wp->w_wincol;
+
// Restore the lost room that was redistributed to the altframe.
if (dir == 'v') {
frame_new_height(unflat_altfr, unflat_altfr->fr_height - frp->fr_height,
unflat_altfr == frp->fr_next, false);
+ row += frp->fr_height;
} else if (dir == 'h') {
frame_new_width(unflat_altfr, unflat_altfr->fr_width - frp->fr_width,
unflat_altfr == frp->fr_next, false);
+ col += frp->fr_width;
+ }
+
+ // If rows/columns went to a window below/right, its positions need to be
+ // restored. Can only be done after the sizes have been updated.
+ if (unflat_altfr == frp->fr_next) {
+ frame_comp_pos(unflat_altfr, &row, &col);
}
}
@@ -4445,7 +4489,7 @@ static void tabpage_check_windows(tabpage_T *old_curtab)
if (wp->w_floating) {
if (wp->w_config.external) {
win_remove(wp, old_curtab);
- win_append(lastwin_nofloating(), wp);
+ win_append(lastwin_nofloating(), wp, NULL);
} else {
ui_comp_remove_grid(&wp->w_grid_alloc);
}
@@ -5085,7 +5129,7 @@ win_T *win_alloc(win_T *after, bool hidden)
block_autocmds();
// link the window in the window list
if (!hidden) {
- win_append(after, new_wp);
+ win_append(after, new_wp, NULL);
}
new_wp->w_wincol = 0;
@@ -5255,21 +5299,29 @@ void win_free_grid(win_T *wp, bool reinit)
}
}
-// Append window "wp" in the window list after window "after".
-void win_append(win_T *after, win_T *wp)
+/// Append window "wp" in the window list after window "after".
+///
+/// @param tp tab page "win" (and "after", if not NULL) is in, NULL for current
+void win_append(win_T *after, win_T *wp, tabpage_T *tp)
+ FUNC_ATTR_NONNULL_ARG(2)
{
+ assert(tp == NULL || tp != curtab);
+
+ win_T **first = tp == NULL ? &firstwin : &tp->tp_firstwin;
+ win_T **last = tp == NULL ? &lastwin : &tp->tp_lastwin;
+
// after NULL is in front of the first
- win_T *before = after == NULL ? firstwin : after->w_next;
+ win_T *before = after == NULL ? *first : after->w_next;
wp->w_next = before;
wp->w_prev = after;
if (after == NULL) {
- firstwin = wp;
+ *first = wp;
} else {
after->w_next = wp;
}
if (before == NULL) {
- lastwin = wp;
+ *last = wp;
} else {
before->w_prev = wp;
}
diff --git a/src/nvim/winfloat.c b/src/nvim/winfloat.c
index cddc4ed9dd..10d8c7ac90 100644
--- a/src/nvim/winfloat.c
+++ b/src/nvim/winfloat.c
@@ -61,7 +61,7 @@ win_T *win_new_float(win_T *wp, bool last, WinConfig fconfig, Error *err)
XFREE_CLEAR(wp->w_frame);
win_comp_pos(); // recompute window positions
win_remove(wp, NULL);
- win_append(lastwin_nofloating(), wp);
+ win_append(lastwin_nofloating(), wp, NULL);
}
wp->w_floating = true;
wp->w_status_height = 0;
diff --git a/test/functional/api/window_spec.lua b/test/functional/api/window_spec.lua
index 6e20c81fc2..abe1ca9344 100644
--- a/test/functional/api/window_spec.lua
+++ b/test/functional/api/window_spec.lua
@@ -1654,6 +1654,18 @@ describe('API/win', function()
api.nvim_open_win(new_buf, false, { split = 'left' })
eq('foobarbaz', eval('triggered'))
end)
+
+ it('sets error when no room', function()
+ matches('E36: Not enough room$', pcall_err(command, 'execute "split|"->repeat(&lines)'))
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_open_win, 0, true, { split = 'above', win = 0 })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_open_win, 0, true, { split = 'below', win = 0 })
+ )
+ end)
end)
describe('set_config', function()
@@ -1965,23 +1977,89 @@ describe('API/win', function()
it('closing new curwin when moving window to other tabpage works', function()
command('split | tabnew')
- local w = api.nvim_get_current_win()
- local t = api.nvim_get_current_tabpage()
- command('tabfirst | autocmd WinEnter * quit')
- api.nvim_win_set_config(0, { win = w, split = 'left' })
- -- New tabpage is now the only one, as WinEnter closed the new curwin in the original.
- eq(t, api.nvim_get_current_tabpage())
- eq({ t }, api.nvim_list_tabpages())
+ local t2_win = api.nvim_get_current_win()
+ command('tabfirst | autocmd WinEnter * ++once quit')
+ local t1_move_win = api.nvim_get_current_win()
+ -- win_set_config fails to switch away from "t1_move_win" because the WinEnter autocmd that
+ -- closed the window we're switched to returns us to "t1_move_win", as it filled the space.
+ eq(
+ 'Failed to switch away from window ' .. t1_move_win,
+ pcall_err(api.nvim_win_set_config, t1_move_win, { win = t2_win, split = 'left' })
+ )
+ eq(t1_move_win, api.nvim_get_current_win())
+
+ command('split | split | autocmd WinEnter * ++once quit')
+ t1_move_win = api.nvim_get_current_win()
+ -- In this case, we closed the window that we got switched to, but doing so didn't switch us
+ -- back to "t1_move_win", which is fine.
+ api.nvim_win_set_config(t1_move_win, { win = t2_win, split = 'left' })
+ neq(t1_move_win, api.nvim_get_current_win())
end)
- it('closing split parent when moving window to other tabpage aborts', function()
+ it('messing with "win" or "parent" when moving "win" to other tabpage', function()
command('split | tabnew')
- local w = api.nvim_get_current_win()
- command('tabfirst | autocmd WinEnter * call nvim_win_close(' .. w .. ', 1)')
+ local t2 = api.nvim_get_current_tabpage()
+ local t2_win1 = api.nvim_get_current_win()
+ command('split')
+ local t2_win2 = api.nvim_get_current_win()
+ command('split')
+ local t2_win3 = api.nvim_get_current_win()
+
+ command('tabfirst | autocmd WinEnter * ++once call nvim_win_close(' .. t2_win1 .. ', 1)')
+ local cur_win = api.nvim_get_current_win()
+ eq(
+ 'Windows to split were closed',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_win1, split = 'left' })
+ )
+ eq(cur_win, api.nvim_get_current_win())
+
+ command('split | autocmd WinLeave * ++once quit!')
+ cur_win = api.nvim_get_current_win()
+ eq(
+ 'Windows to split were closed',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_win2, split = 'left' })
+ )
+ neq(cur_win, api.nvim_get_current_win())
+
+ exec([[
+ split
+ autocmd WinLeave * ++once
+ \ call nvim_win_set_config(0, #{relative:'editor', row:0, col:0, width:5, height:5})
+ ]])
+ cur_win = api.nvim_get_current_win()
eq(
- 'Window to split was closed',
- pcall_err(api.nvim_win_set_config, 0, { win = w, split = 'left' })
+ 'Floating state of windows to split changed',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_win3, split = 'left' })
)
+ eq('editor', api.nvim_win_get_config(0).relative)
+ eq(cur_win, api.nvim_get_current_win())
+
+ command('autocmd WinLeave * ++once wincmd J')
+ cur_win = api.nvim_get_current_win()
+ eq(
+ 'Floating state of windows to split changed',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_win3, split = 'left' })
+ )
+ eq('', api.nvim_win_get_config(0).relative)
+ eq(cur_win, api.nvim_get_current_win())
+
+ -- Try to make "parent" floating. This should give the same error as before, but because
+ -- changing a split from another tabpage into a float isn't supported yet, check for that
+ -- error instead for now.
+ -- Use ":silent!" to avoid the one second delay from printing the error message.
+ exec(([[
+ autocmd WinLeave * ++once silent!
+ \ call nvim_win_set_config(%d, #{relative:'editor', row:0, col:0, width:5, height:5})
+ ]]):format(t2_win3))
+ cur_win = api.nvim_get_current_win()
+ api.nvim_win_set_config(0, { win = t2_win3, split = 'left' })
+ matches(
+ 'Cannot change window from different tabpage into float$',
+ api.nvim_get_vvar('errmsg')
+ )
+ -- The error doesn't abort moving the window (or maybe it should, if that's wanted?)
+ neq(cur_win, api.nvim_get_current_win())
+ eq(t2, api.nvim_win_get_tabpage(cur_win))
end)
it('expected autocmds when moving window to other tabpage', function()
@@ -2031,6 +2109,223 @@ describe('API/win', function()
command('autocmd BufHidden * ++once call nvim_win_set_config(' .. w .. ', #{split: "left"})')
command('new | quit')
end)
+
+ --- Returns a function to get information about the window layout, sizes and positions of a
+ --- tabpage.
+ local function define_tp_info_function()
+ exec_lua([[
+ function tp_info(tp)
+ return {
+ layout = vim.fn.winlayout(vim.api.nvim_tabpage_get_number(tp)),
+ pos_sizes = vim.tbl_map(
+ function(w)
+ local pos = vim.fn.win_screenpos(w)
+ return {
+ row = pos[1],
+ col = pos[2],
+ width = vim.fn.winwidth(w),
+ height = vim.fn.winheight(w)
+ }
+ end,
+ vim.api.nvim_tabpage_list_wins(tp)
+ )
+ }
+ end
+ ]])
+
+ return function(tp)
+ return exec_lua('return tp_info(...)', tp)
+ end
+ end
+
+ it('attempt to move window with no room', function()
+ -- Fill the 2nd tabpage full of windows until we run out of room.
+ -- Use &laststatus=0 to ensure restoring missing statuslines doesn't affect things.
+ command('set laststatus=0 | tabnew')
+ matches('E36: Not enough room$', pcall_err(command, 'execute "split|"->repeat(&lines)'))
+ command('vsplit | wincmd | | wincmd p')
+ local t2 = api.nvim_get_current_tabpage()
+ local t2_cur_win = api.nvim_get_current_win()
+ local t2_top_split = fn.win_getid(1)
+ local t2_bot_split = fn.win_getid(fn.winnr('$'))
+ local t2_float = api.nvim_open_win(
+ 0,
+ false,
+ { relative = 'editor', row = 0, col = 0, width = 10, height = 10 }
+ )
+ local t2_float_config = api.nvim_win_get_config(t2_float)
+ local tp_info = define_tp_info_function()
+ local t2_info = tp_info(t2)
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_top_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_top_split, split = 'below' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_bot_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_bot_split, split = 'below' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t2_float, { win = t2_top_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t2_float, { win = t2_top_split, split = 'below' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t2_float, { win = t2_bot_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t2_float, { win = t2_bot_split, split = 'below' })
+ )
+ eq(t2_cur_win, api.nvim_get_current_win())
+ eq(t2_info, tp_info(t2))
+ eq(t2_float_config, api.nvim_win_get_config(t2_float))
+
+ -- Try to move windows from the 1st tabpage to the 2nd.
+ command('tabfirst | split | wincmd _')
+ local t1 = api.nvim_get_current_tabpage()
+ local t1_cur_win = api.nvim_get_current_win()
+ local t1_float = api.nvim_open_win(
+ 0,
+ false,
+ { relative = 'editor', row = 5, col = 3, width = 7, height = 6 }
+ )
+ local t1_float_config = api.nvim_win_get_config(t1_float)
+ local t1_info = tp_info(t1)
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_top_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_top_split, split = 'below' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_bot_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, 0, { win = t2_bot_split, split = 'below' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t1_float, { win = t2_top_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t1_float, { win = t2_top_split, split = 'below' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t1_float, { win = t2_bot_split, split = 'above' })
+ )
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, t1_float, { win = t2_bot_split, split = 'below' })
+ )
+ eq(t1_cur_win, api.nvim_get_current_win())
+ eq(t1_info, tp_info(t1))
+ eq(t1_float_config, api.nvim_win_get_config(t1_float))
+ end)
+
+ it('attempt to move window from other tabpage with no room', function()
+ -- Fill up the 1st tabpage with horizontal splits, then create a 2nd with only a few. Go back
+ -- to the 1st and try to move windows from the 2nd (while it's non-current) to it. Check that
+ -- window positions and sizes in the 2nd are unchanged.
+ command('set laststatus=0')
+ matches('E36: Not enough room$', pcall_err(command, 'execute "split|"->repeat(&lines)'))
+
+ command('tab split')
+ local t2 = api.nvim_get_current_tabpage()
+ local t2_top = api.nvim_get_current_win()
+ command('belowright split')
+ local t2_mid_left = api.nvim_get_current_win()
+ command('belowright vsplit')
+ local t2_mid_right = api.nvim_get_current_win()
+ command('split | wincmd J')
+ local t2_bot = api.nvim_get_current_win()
+ local tp_info = define_tp_info_function()
+ local t2_info = tp_info(t2)
+ eq({
+ 'col',
+ {
+ { 'leaf', t2_top },
+ {
+ 'row',
+ {
+ { 'leaf', t2_mid_left },
+ { 'leaf', t2_mid_right },
+ },
+ },
+ { 'leaf', t2_bot },
+ },
+ }, t2_info.layout)
+
+ local function try_move_t2_wins_to_t1()
+ for _, w in ipairs({ t2_bot, t2_mid_left, t2_mid_right, t2_top }) do
+ matches(
+ 'E36: Not enough room$',
+ pcall_err(api.nvim_win_set_config, w, { win = 0, split = 'below' })
+ )
+ eq(t2_info, tp_info(t2))
+ end
+ end
+ command('tabfirst')
+ try_move_t2_wins_to_t1()
+ -- Go to the 2nd tabpage to ensure nothing changes after win_comp_pos, last_status, .etc.
+ -- from enter_tabpage.
+ command('tabnext')
+ eq(t2_info, tp_info(t2))
+
+ -- Check things are fine with the global statusline too, for good measure.
+ -- Set it while the 2nd tabpage is current, so last_status runs for it.
+ command('set laststatus=3')
+ t2_info = tp_info(t2)
+ command('tabfirst')
+ try_move_t2_wins_to_t1()
+ end)
+
+ it('does not switch window when textlocked or in the cmdwin', function()
+ command('tabnew')
+ local t2_win = api.nvim_get_current_win()
+ command('tabfirst')
+ feed('q:')
+ local cur_win = api.nvim_get_current_win()
+ eq(
+ 'Failed to switch away from window ' .. cur_win,
+ pcall_err(api.nvim_win_set_config, 0, { split = 'left', win = t2_win })
+ )
+ eq(
+ 'E11: Invalid in command-line window; <CR> executes, CTRL-C quits',
+ api.nvim_get_vvar('errmsg')
+ )
+ eq(cur_win, api.nvim_get_current_win())
+ command('quit!')
+
+ exec(([[
+ new
+ call setline(1, 'foo')
+ setlocal debug=throw indentexpr=nvim_win_set_config(0,#{split:'left',win:%d})
+ ]]):format(t2_win))
+ cur_win = api.nvim_get_current_win()
+ matches(
+ 'E565: Not allowed to change text or change window$',
+ pcall_err(command, 'normal! ==')
+ )
+ eq(cur_win, api.nvim_get_current_win())
+ end)
end)
describe('get_config', function()