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patch 8.1.2020: it is not easy to change the window layout

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Problem:    It is not easy to change the window layout.
Solution:   Add win_splitmove(). (Andy Massimino, closes #4561)
This commit is contained in:
Bram Moolenaar
2019-09-10 21:22:58 +02:00
parent 410e98a70b
commit d20dcb3d01
6 changed files with 147 additions and 0 deletions
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86
src/evalwindow.c
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@@ -743,6 +743,92 @@ f_win_screenpos(typval_T *argvars, typval_T *rettv)
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 defined(FEAT_GUI)
// When 'guioptions' includes 'L' or 'R' may have to remove or add
// scrollbars. Have to update them anyway.
gui_may_update_scrollbars();
#endif
if (oldwin != curwin)
win_goto(oldwin);
}
/*
* "win_splitmove()" function
*/
void
f_win_splitmove(typval_T *argvars, typval_T *rettv)
{
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)
{
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 (dict_get_number(d, (char_u *)"vertical"))
flags |= WSP_VERT;
if ((di = dict_find(d, (char_u *)"rightbelow", -1)) != NULL)
flags |= tv_get_number(&di->di_tv) ? WSP_BELOW : WSP_ABOVE;
size = (int)dict_get_number(d, (char_u *)"size");
}
win_move_into_split(wp, targetwin, size, flags);
}
/*
* "winbufnr(nr)" function
*/