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-rw-r--r--src/nvim/eval.lua1
-rw-r--r--src/nvim/eval/funcs.c81
-rw-r--r--src/nvim/testdir/test_window_cmd.vim49
-rw-r--r--src/nvim/window.c17
4 files changed, 148 insertions, 0 deletions
diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index eac0feafcf..e94d7831b0 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -392,6 +392,7 @@ return {
win_id2tabwin={args=1},
win_id2win={args=1},
win_screenpos={args=1},
+ win_splitmove={args={2, 3}},
winbufnr={args=1},
wincol={},
windowsversion={},
diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c
index 2b04469af7..9edf5c8f7e 100644
--- a/src/nvim/eval/funcs.c
+++ b/src/nvim/eval/funcs.c
@@ -3980,6 +3980,87 @@ static void f_win_screenpos(typval_T *argvars, typval_T *rettv, FunPtr fptr)
tv_list_append_number(rettv->vval.v_list, wp == NULL ? 0 : wp->w_wincol + 1);
}
+//
+// Move the window wp into a new split of targetwin in a given direction
+//
+static void win_move_into_split(win_T *wp, win_T *targetwin,
+ int size, int flags)
+{
+ int dir;
+ int height = wp->w_height;
+ win_T *oldwin = curwin;
+
+ if (wp == targetwin) {
+ return;
+ }
+
+ // Jump to the target window
+ if (curwin != targetwin) {
+ win_goto(targetwin);
+ }
+
+ // Remove the old window and frame from the tree of frames
+ (void)winframe_remove(wp, &dir, NULL);
+ win_remove(wp, NULL);
+ last_status(false); // may need to remove last status line
+ (void)win_comp_pos(); // recompute window positions
+
+ // Split a window on the desired side and put the old window there
+ (void)win_split_ins(size, flags, wp, dir);
+
+ // If splitting horizontally, try to preserve height
+ if (size == 0 && !(flags & WSP_VERT)) {
+ win_setheight_win(height, wp);
+ if (p_ea) {
+ win_equal(wp, true, 'v');
+ }
+ }
+
+ if (oldwin != curwin) {
+ win_goto(oldwin);
+ }
+}
+
+// "win_splitmove()" function
+static void f_win_splitmove(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ win_T *wp;
+ win_T *targetwin;
+ int flags = 0, size = 0;
+
+ wp = find_win_by_nr_or_id(&argvars[0]);
+ targetwin = find_win_by_nr_or_id(&argvars[1]);
+
+ if (wp == NULL || targetwin == NULL || wp == targetwin
+ || !win_valid(wp) || !win_valid(targetwin)
+ || win_valid_floating(wp) || win_valid_floating(targetwin)) {
+ EMSG(_(e_invalwindow));
+ rettv->vval.v_number = -1;
+ return;
+ }
+
+ if (argvars[2].v_type != VAR_UNKNOWN) {
+ dict_T *d;
+ dictitem_T *di;
+
+ if (argvars[2].v_type != VAR_DICT || argvars[2].vval.v_dict == NULL) {
+ EMSG(_(e_invarg));
+ return;
+ }
+
+ d = argvars[2].vval.v_dict;
+ if (tv_dict_get_number(d, "vertical")) {
+ flags |= WSP_VERT;
+ }
+ if ((di = tv_dict_find(d, "rightbelow", -1)) != NULL) {
+ flags |= tv_get_number(&di->di_tv) ? WSP_BELOW : WSP_ABOVE;
+ }
+ size = tv_dict_get_number(d, "size");
+ }
+
+ win_move_into_split(wp, targetwin, size, flags);
+}
+
// "getwinpos({timeout})" function
static void f_getwinpos(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{
diff --git a/src/nvim/testdir/test_window_cmd.vim b/src/nvim/testdir/test_window_cmd.vim
index 969b75d424..86682cca4f 100644
--- a/src/nvim/testdir/test_window_cmd.vim
+++ b/src/nvim/testdir/test_window_cmd.vim
@@ -808,6 +808,55 @@ func Test_winnr()
only | tabonly
endfunc
+func Test_win_splitmove()
+ edit a
+ leftabove split b
+ leftabove vsplit c
+ leftabove split d
+ call assert_equal(0, win_splitmove(winnr(), winnr('l')))
+ call assert_equal(bufname(winbufnr(1)), 'c')
+ call assert_equal(bufname(winbufnr(2)), 'd')
+ call assert_equal(bufname(winbufnr(3)), 'b')
+ call assert_equal(bufname(winbufnr(4)), 'a')
+ call assert_equal(0, win_splitmove(winnr(), winnr('j'), {'vertical': 1}))
+ call assert_equal(0, win_splitmove(winnr(), winnr('j'), {'vertical': 1}))
+ call assert_equal(bufname(winbufnr(1)), 'c')
+ call assert_equal(bufname(winbufnr(2)), 'b')
+ call assert_equal(bufname(winbufnr(3)), 'd')
+ call assert_equal(bufname(winbufnr(4)), 'a')
+ call assert_equal(0, win_splitmove(winnr(), winnr('k'), {'vertical': 1}))
+ call assert_equal(bufname(winbufnr(1)), 'd')
+ call assert_equal(bufname(winbufnr(2)), 'c')
+ call assert_equal(bufname(winbufnr(3)), 'b')
+ call assert_equal(bufname(winbufnr(4)), 'a')
+ call assert_equal(0, win_splitmove(winnr(), winnr('j'), {'rightbelow': v:true}))
+ call assert_equal(bufname(winbufnr(1)), 'c')
+ call assert_equal(bufname(winbufnr(2)), 'b')
+ call assert_equal(bufname(winbufnr(3)), 'a')
+ call assert_equal(bufname(winbufnr(4)), 'd')
+ only | bd
+
+ call assert_fails('call win_splitmove(winnr(), 123)', 'E957:')
+ call assert_fails('call win_splitmove(123, winnr())', 'E957:')
+ call assert_fails('call win_splitmove(winnr(), winnr())', 'E957:')
+
+ tabnew
+ call assert_fails('call win_splitmove(1, win_getid(1, 1))', 'E957:')
+ tabclose
+endfunc
+
+func Test_floatwin_splitmove()
+ vsplit
+ let win2 = win_getid()
+ let popup_winid = nvim_open_win(0, 0, {'relative': 'win',
+ \ 'row': 3, 'col': 3, 'width': 12, 'height': 3})
+ call assert_fails('call win_splitmove(popup_winid, win2)', 'E957:')
+ call assert_fails('call win_splitmove(win2, popup_winid)', 'E957:')
+
+ call nvim_win_close(popup_winid, 1)
+ bwipe
+endfunc
+
func Test_window_resize()
" Vertical :resize (absolute, relative, min and max size).
vsplit
diff --git a/src/nvim/window.c b/src/nvim/window.c
index aa8d8727e7..eef75b10bd 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -1619,6 +1619,23 @@ static void win_init_some(win_T *newp, win_T *oldp)
win_copy_options(oldp, newp);
}
+/// Return TRUE if "win" is floating window in the current tab page.
+///
+/// @param win window to check
+bool win_valid_floating(const win_T *win)
+ FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
+{
+ if (win == NULL) {
+ return false;
+ }
+
+ FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
+ if (wp == win) {
+ return wp->w_floating;
+ }
+ }
+ return false;
+}
/// Check if "win" is a pointer to an existing window in the current tabpage.
///