patch 8.2.4325: 'wildmenu' only shows few matches

Problem:    'wildmenu' only shows few matches.
Solution:   Add the "pum" option: use a popup menu to show the matches.
            (Yegappan Lakshmanan et al., closes #9707)

runtime/doc/options.txt

@@ -8974,7 +8974,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	mode.  On pressing 'wildchar' (usually <Tab>) to invoke completion,
 	the possible matches are shown just above the command line, with the
 	first match highlighted (overwriting the status line, if there is
-	one).  Keys that show the previous/next match, such as <Tab> or
+	one).  This is the behavior without "pum" in 'wildoptions.
+	Keys that show the previous/next match, such as <Tab> or
 	CTRL-P/CTRL-N, cause the highlight to move to the appropriate match.
 	When 'wildmode' is used, "wildmenu" mode is used where "full" is
 	specified.  "longest" and "list" do not start "wildmenu" mode.
@@ -8982,10 +8983,12 @@ A jump table for the options with a short description can be found at |Q_op|.
 	If there are more matches than can fit in the line, a ">" is shown on
 	the right and/or a "<" is shown on the left.  The status line scrolls
 	as needed.
+	When 'wildoptions' contains "pum", then the completion matches are
+	shown in a popup menu.
 	The "wildmenu" mode is abandoned when a key is hit that is not used
 	for selecting a completion.
-	While the "wildmenu" is active the following keys have special
+	While the "wildmenu" is active, not using the popup menu, the
-	meanings:
+	following keys have special meanings:
 
 	<Left> <Right>	- select previous/next match (like CTRL-P/CTRL-N)
 	<Down>		- in filename/menu name completion: move into a
@@ -8995,6 +8998,21 @@ A jump table for the options with a short description can be found at |Q_op|.
 	<Up>		- in filename/menu name completion: move up into
 			  parent directory or parent menu.
 
+	When using the popup menu for command line completion, the following
+	keys have special meanings:
+	<Down>		- select next match (like CTRL-N)
+	<Left>		- in filename/menu name completion: move up into
+			  parent directory or parent menu.
+	<Right>		- in filename/menu name completion: move into a
+			  subdirectory or submenu.
+	<Up>		- select previous match (like CTRL-P)
+	CTRL-E		- end completion, go back to what was there before
+			  selecting a match.
+	CTRL-N		- go to the next entry
+	CTRL-P		- go to the previous entry
+	CTRL-Y		- accept the currently selected match and stop
+			  completion.
+
 	This makes the menus accessible from the console |console-menus|.
 
 	If you prefer the <Left> and <Right> keys to move the cursor instead
@@ -9057,14 +9075,15 @@ A jump table for the options with a short description can be found at |Q_op|.
 			global
 			{not available when compiled without the |+wildignore|
 			feature}
-	A list of words that change how command line completion is done.
+	A list of words that change how |cmdline-completion| is done.
-	Currently only one word is allowed:
+	The following values are supported:
+	  pum		Display the completion matches using the popupmenu
+			in the same style as the |ins-completion-menu|.
 	  tagfile	When using CTRL-D to list matching tags, the kind of
 			tag and the file of the tag is listed.	Only one match
 			is displayed per line.  Often used tag kinds are:
 				d	#define
 				f	function
-	Also see |cmdline-completion|.
 
 						*'winaltkeys'* *'wak'*
 'winaltkeys' 'wak'	string	(default "menu")

src/cmdexpand.c

@@ -25,6 +25,16 @@ static int	expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, int f
 #if defined(FEAT_EVAL)
 static int	ExpandUserDefined(expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file);
 static int	ExpandUserList(expand_T *xp, int *num_file, char_u ***file);
+#endif
+
+#ifdef FEAT_WILDMENU
+// "compl_match_array" points the currently displayed list of entries in the
+// popup menu.  It is NULL when there is no popup menu.
+static pumitem_T *compl_match_array = NULL;
+static int compl_match_arraysize;
+// First column in cmdline of the matched item for completion.
+static int compl_startcol;
+static int compl_selected;
 #endif
 
     static int
@@ -245,6 +255,42 @@ nextwild(
     return OK;
 }
 
+#if defined(FEAT_WILDMENU) || defined(PROTO)
+/*
+ * Display the cmdline completion matches in a popup menu
+ */
+void cmdline_pum_display(void)
+{
+    pum_display(compl_match_array, compl_match_arraysize, compl_selected);
+}
+
+int cmdline_pum_active(void)
+{
+    return p_wmnu && pum_visible() && compl_match_array != NULL;
+}
+
+/*
+ * Remove the cmdline completion popup menu
+ */
+void cmdline_pum_remove(void)
+{
+    pum_undisplay();
+    VIM_CLEAR(compl_match_array);
+    update_screen(0);
+}
+
+void cmdline_pum_cleanup(cmdline_info_T *cclp)
+{
+    cmdline_pum_remove();
+    wildmenu_cleanup(cclp);
+}
+
+int cmdline_compl_startcol(void)
+{
+    return compl_startcol;
+}
+#endif
+
 /*
  * Do wildcard expansion on the string 'str'.
  * Chars that should not be expanded must be preceded with a backslash.
@@ -327,7 +373,12 @@ ExpandOne(
 		    findex = -1;
 	    }
 #ifdef FEAT_WILDMENU
-	    if (p_wmnu)
+	    if (compl_match_array)
+	    {
+		compl_selected = findex;
+		cmdline_pum_display();
+	    }
+	    else if (p_wmnu)
 		win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files,
 							findex, cmd_showtail);
 #endif
@@ -339,6 +390,12 @@ ExpandOne(
 	    return NULL;
     }
 
+    if (mode == WILD_CANCEL)
+	ss = vim_strsave(orig_save ? orig_save : (char_u *)"");
+    else if (mode == WILD_APPLY)
+	ss = vim_strsave(findex == -1 ? (orig_save ?
+		    orig_save : (char_u *)"") : xp->xp_files[findex]);
+
     // free old names
     if (xp->xp_numfiles != -1 && mode != WILD_ALL && mode != WILD_LONGEST)
     {
@@ -351,7 +408,7 @@ ExpandOne(
     if (mode == WILD_FREE)	// only release file name
 	return NULL;
 
-    if (xp->xp_numfiles == -1)
+    if (xp->xp_numfiles == -1 && mode != WILD_APPLY && mode != WILD_CANCEL)
     {
 	vim_free(orig_save);
 	orig_save = orig;
@@ -553,6 +610,35 @@ showmatches(expand_T *xp, int wildmenu UNUSED)
 	showtail = cmd_showtail;
     }
 
+#ifdef FEAT_WILDMENU
+    if (wildmenu && vim_strchr(p_wop, WOP_PUM) != NULL)
+    {
+	compl_match_arraysize = num_files;
+	compl_match_array = ALLOC_MULT(pumitem_T, compl_match_arraysize);
+	for (i = 0; i < num_files; i++)
+	{
+	    compl_match_array[i].pum_text = L_SHOWFILE(i);
+	    compl_match_array[i].pum_info = NULL;
+	    compl_match_array[i].pum_extra = NULL;
+	    compl_match_array[i].pum_kind = NULL;
+	}
+	compl_startcol = ccline->cmdpos + 1;
+	columns = vim_strsize(xp->xp_pattern);
+	if (showtail)
+	{
+	    columns += vim_strsize(sm_gettail(files_found[0]));
+	    columns -= vim_strsize(files_found[0]);
+	}
+	if (columns >= compl_startcol)
+	    compl_startcol = 0;
+	else
+	    compl_startcol -= columns;
+	compl_selected = -1;
+	cmdline_pum_display();
+	return EXPAND_OK;
+    }
+#endif
+
 #ifdef FEAT_WILDMENU
     if (!wildmenu)
     {
@@ -1500,7 +1586,7 @@ set_one_cmd_context(
 	case CMD_tjump:
 	case CMD_stjump:
 	case CMD_ptjump:
-	    if (*p_wop != NUL)
+	    if (vim_strchr(p_wop, WOP_TAGFILE) != NULL)
 		xp->xp_context = EXPAND_TAGS_LISTFILES;
 	    else
 		xp->xp_context = EXPAND_TAGS;
@@ -2639,6 +2725,22 @@ wildmenu_translate_key(
 {
     int c = key;
 
+#ifdef FEAT_WILDMENU
+    if (p_wmnu && cmdline_pum_active())
+    {
+	// When the popup menu is used, Up/Down keys go to the previous and
+	// next items in the menu and Left/Right keys go up/down a directory.
+	if (c == K_UP)
+	    c = K_LEFT;
+	else if (c == K_DOWN)
+	    c = K_RIGHT;
+	else if (c == K_LEFT)
+	    c = K_UP;
+	else if (c == K_RIGHT)
+	    c = K_DOWN;
+    }
+#endif
+
     if (did_wild_list && p_wmnu)
     {
 	if (c == K_LEFT)
@@ -2646,6 +2748,7 @@ wildmenu_translate_key(
 	else if (c == K_RIGHT)
 	    c = Ctrl_N;
     }
+
     // Hitting CR after "emenu Name.": complete submenu
     if (xp->xp_context == EXPAND_MENUNAMES && p_wmnu
 	    && cclp->cmdpos > 1

src/drawscreen.c

@@ -3048,6 +3048,10 @@ redraw_after_callback(int call_update_screen, int do_message)
     }
     else if (State & CMDLINE)
     {
+#ifdef FEAT_WILDMENU
+	if (pum_visible())
+	    cmdline_pum_display();
+#endif
 	// Don't redraw when in prompt_for_number().
 	if (cmdline_row > 0)
 	{

src/evalfunc.c

@@ -10336,7 +10336,7 @@ f_visualmode(typval_T *argvars, typval_T *rettv)
 f_wildmenumode(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
 {
 #ifdef FEAT_WILDMENU
-    if (wild_menu_showing)
+    if (wild_menu_showing || ((State & CMDLINE) && cmdline_pum_active()))
 	rettv->vval.v_number = 1;
 #endif
 }

src/ex_getln.c

@@ -924,9 +924,18 @@ cmdline_wildchar_complete(
 	// if 'wildmode' contains "list" may still need to list
 	if (xp->xp_numfiles > 1
 		&& !*did_wild_list
-		&& (wim_flags[wim_index] & WIM_LIST))
+		&& ((wim_flags[wim_index] & WIM_LIST)
+#ifdef FEAT_WILDMENU
+		    || (p_wmnu && (wim_flags[wim_index] & WIM_FULL) != 0)
+#endif
+		    ))
 	{
+#ifdef FEAT_WILDMENU
+	    (void)showmatches(xp,
+		    p_wmnu && ((wim_flags[wim_index] & WIM_LIST) == 0));
+#else
 	    (void)showmatches(xp, FALSE);
+#endif
 	    redrawcmd();
 	    *did_wild_list = TRUE;
 	}
@@ -1848,6 +1857,23 @@ getcmdline_int(
 
 #ifdef FEAT_WILDMENU
 	c = wildmenu_translate_key(&ccline, c, &xpc, did_wild_list);
+
+	if (cmdline_pum_active())
+	{
+	    if (c == Ctrl_E || c == Ctrl_Y)
+	    {
+		int	wild_type;
+
+		wild_type = (c == Ctrl_E) ? WILD_CANCEL : WILD_APPLY;
+
+		if (nextwild(&xpc, wild_type, WILD_NO_BEEP,
+							firstc != '@') == FAIL)
+		    break;
+		cmdline_pum_cleanup(&ccline);
+		xpc.xp_context = EXPAND_NOTHING;
+		goto cmdline_changed;
+	    }
+	}
 #endif
 
 	// free expanded names when finished walking through matches
@@ -1856,6 +1882,9 @@ getcmdline_int(
 		&& c != Ctrl_N && c != Ctrl_P && c != Ctrl_A
 		&& c != Ctrl_L)
 	{
+#ifdef FEAT_WILDMENU
+	    cmdline_pum_remove();
+#endif
 	    (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE);
 	    did_wild_list = FALSE;
 #ifdef FEAT_WILDMENU
@@ -1950,10 +1979,19 @@ getcmdline_int(
 	// <S-Tab> goes to last match, in a clumsy way
 	if (c == K_S_TAB && KeyTyped)
 	{
-	    if (nextwild(&xpc, WILD_EXPAND_KEEP, 0, firstc != '@') == OK
+	    if (nextwild(&xpc, WILD_EXPAND_KEEP, 0, firstc != '@') == OK)
-		    && nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK
+	    {
-		    && nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK)
+#ifdef FEAT_WILDMENU
-		goto cmdline_changed;
+		// Trigger the popup menu when wildoptions=pum
+		showmatches(&xpc,
+			p_wmnu && ((wim_flags[wim_index] & WIM_LIST) == 0));
+#else
+		(void)showmatches(&xpc, FALSE);
+#endif
+		if (nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK
+			&& nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK)
+		    goto cmdline_changed;
+	    }
 	}
 
 	if (c == NUL || c == K_ZERO)	    // NUL is stored as NL
@@ -2222,6 +2260,13 @@ getcmdline_int(
 	case Ctrl_A:	    // all matches
 		if (nextwild(&xpc, WILD_ALL, 0, firstc != '@') == FAIL)
 		    break;
+#ifdef FEAT_WILDMENU
+		if (cmdline_pum_active())
+		{
+		    cmdline_pum_cleanup(&ccline);
+		    xpc.xp_context = EXPAND_NOTHING;
+		}
+#endif
 		goto cmdline_changed;
 
 	case Ctrl_L:

src/option.h

@@ -356,6 +356,11 @@ typedef enum {
 #define WIM_LIST	0x04
 #define WIM_BUFLASTUSED	0x08
 
+// flags for the 'wildoptions' option
+// each defined char should be unique over all values.
+#define WOP_TAGFILE	't'
+#define WOP_PUM		'p'
+
 // arguments for can_bs()
 // each defined char should be unique over all values
 // except for BS_START, that intentionally also matches BS_NOSTOP

src/optionstr.c

@@ -57,7 +57,7 @@ static char *(p_tbis_values[]) = {"tiny", "small", "medium", "large", "huge", "g
 static char *(p_ttym_values[]) = {"xterm", "xterm2", "dec", "netterm", "jsbterm", "pterm", "urxvt", "sgr", NULL};
 #endif
 static char *(p_ve_values[]) = {"block", "insert", "all", "onemore", "none", "NONE", NULL};
-static char *(p_wop_values[]) = {"tagfile", NULL};
+static char *(p_wop_values[]) = {"tagfile", "pum", NULL};
 #ifdef FEAT_WAK
 static char *(p_wak_values[]) = {"yes", "menu", "no", NULL};
 #endif

src/popupmenu.c

@@ -116,7 +116,10 @@ pum_display(
 	// Remember the essential parts of the window position and size, so we
 	// can decide when to reposition the popup menu.
 	pum_window = curwin;
-	pum_win_row = curwin->w_wrow + W_WINROW(curwin);
+	if (State == CMDLINE)
+	    pum_win_row = cmdline_row;
+	else
+	    pum_win_row = curwin->w_wrow + W_WINROW(curwin);
 	pum_win_height = curwin->w_height;
 	pum_win_col = curwin->w_wincol;
 	pum_win_wcol = curwin->w_wcol;
@@ -215,6 +218,11 @@ pum_display(
 	max_width = pum_base_width;
 
 	// Calculate column
+#ifdef FEAT_WILDMENU
+	if (State == CMDLINE)
+	    cursor_col = cmdline_compl_startcol();
+	else
+#endif
 #ifdef FEAT_RIGHTLEFT
 	if (curwin->w_p_rl)
 	    cursor_col = curwin->w_wincol + curwin->w_width

src/proto/cmdexpand.pro

@@ -3,6 +3,11 @@ int nextwild(expand_T *xp, int type, int options, int escape);
 char_u *ExpandOne(expand_T *xp, char_u *str, char_u *orig, int options, int mode);
 void ExpandInit(expand_T *xp);
 void ExpandCleanup(expand_T *xp);
+void cmdline_pum_display(void);
+int cmdline_pum_active(void);
+void cmdline_pum_remove(void);
+void cmdline_pum_cleanup(cmdline_info_T *cclp);
+int cmdline_compl_startcol(void);
 int showmatches(expand_T *xp, int wildmenu);
 char_u *sm_gettail(char_u *s);
 char_u *addstar(char_u *fname, int len, int context);

src/testdir/dumps/Test_wildmenu_pum_01.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @3| +0#0000001#e0e0e08|d|e|f|i|n|e| @8| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|j|u|m|p| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|l|i|s|t| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|p|l|a|c|e| @9| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e> @62

src/testdir/dumps/Test_wildmenu_pum_02.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|d|e|f|i|n|e| @8| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|j|u|m|p| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#e0e0e08|l|i|s|t| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|p|l|a|c|e| @9| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |l|i|s|t> @64

src/testdir/dumps/Test_wildmenu_pum_03.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|d|e|f|i|n|e| @8| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|j|u|m|p| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|l|i|s|t| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#e0e0e08|p|l|a|c|e| @9| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |p|l|a|c|e> @63

src/testdir/dumps/Test_wildmenu_pum_04.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|d|e|f|i|n|e| @8| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|j|u|m|p| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#e0e0e08|l|i|s|t| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|p|l|a|c|e| @9| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |l|i|s|t> @64

src/testdir/dumps/Test_wildmenu_pum_05.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|d|e|f|i|n|e| @8| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#e0e0e08|j|u|m|p| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|l|i|s|t| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|p|l|a|c|e| @9| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |j|u|m|p> @64

src/testdir/dumps/Test_wildmenu_pum_06.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| > @68

src/testdir/dumps/Test_wildmenu_pum_07.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |u|n|p|l|a|c|e> @61

src/testdir/dumps/Test_wildmenu_pum_08.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |u|n> @66

src/testdir/dumps/Test_wildmenu_pum_09.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @3| +0#0000001#e0e0e08|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |u|n|d|e|f|i|n|e> @60

src/testdir/dumps/Test_wildmenu_pum_10.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#e0e0e08|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |u|n|p|l|a|c|e> @61

src/testdir/dumps/Test_wildmenu_pum_11.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @10| +0#0000001#e0e0e08|c|u|l|h|l|=| @8| +0#4040ff13#ffffff0@46
+|~| @10| +0#0000001#ffd7ff255|i|c|o|n|=| @9| +0#4040ff13#ffffff0@46
+|~| @10| +0#0000001#ffd7ff255|l|i|n|e|h|l|=| @7| +0#4040ff13#ffffff0@46
+|~| @10| +0#0000001#ffd7ff255|n|u|m|h|l|=| @8| +0#4040ff13#ffffff0@46
+|~| @10| +0#0000001#ffd7ff255|t|e|x|t|=| @9| +0#4040ff13#ffffff0@46
+|~| @10| +0#0000001#ffd7ff255|t|e|x|t|h|l|=| @7| +0#4040ff13#ffffff0@46
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e| |c|u|l|h|l|=> @55

src/testdir/dumps/Test_wildmenu_pum_12.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @17| +0#0000001#e0e0e08|c|u|l|h|l|=| @8| +0#4040ff13#ffffff0@39
+|~| @17| +0#0000001#ffd7ff255|i|c|o|n|=| @9| +0#4040ff13#ffffff0@39
+|~| @17| +0#0000001#ffd7ff255|l|i|n|e|h|l|=| @7| +0#4040ff13#ffffff0@39
+|~| @17| +0#0000001#ffd7ff255|n|u|m|h|l|=| @8| +0#4040ff13#ffffff0@39
+|~| @17| +0#0000001#ffd7ff255|t|e|x|t|=| @9| +0#4040ff13#ffffff0@39
+|~| @17| +0#0000001#ffd7ff255|t|e|x|t|h|l|=| @7| +0#4040ff13#ffffff0@39
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e| |c|u|l|h|l|=| |c|u|l|h|l|=> @48

src/testdir/dumps/Test_wildmenu_pum_13.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @24| +0#0000001#e0e0e08|c|u|l|h|l|=| @8| +0#4040ff13#ffffff0@32
+|~| @24| +0#0000001#ffd7ff255|i|c|o|n|=| @9| +0#4040ff13#ffffff0@32
+|~| @24| +0#0000001#ffd7ff255|l|i|n|e|h|l|=| @7| +0#4040ff13#ffffff0@32
+|~| @24| +0#0000001#ffd7ff255|n|u|m|h|l|=| @8| +0#4040ff13#ffffff0@32
+|~| @24| +0#0000001#ffd7ff255|t|e|x|t|=| @9| +0#4040ff13#ffffff0@32
+|~| @24| +0#0000001#ffd7ff255|t|e|x|t|h|l|=| @7| +0#4040ff13#ffffff0@32
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e| |c|u|l|h|l|=| |c|u|l|h|l|=| |c|u|l|h|l|=> @41

src/testdir/dumps/Test_wildmenu_pum_14.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @5| +0#0000001#e0e0e08|X|d|i|r|A|/| @8| +0#4040ff13#ffffff0@51
+|~| @5| +0#0000001#ffd7ff255|X|f|i|l|e|A| @8| +0#4040ff13#ffffff0@51
+|:+0#0000000&|e| |X|d|i|r|/|X|d|i|r|A|/> @60

src/testdir/dumps/Test_wildmenu_pum_15.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @11| +0#0000001#e0e0e08|X|d|i|r|B|/| @8| +0#4040ff13#ffffff0@45
+|~| @11| +0#0000001#ffd7ff255|X|f|i|l|e|B| @8| +0#4040ff13#ffffff0@45
+|:+0#0000000&|e| |X|d|i|r|/|X|d|i|r|A|/|X|d|i|r|B|/> @54

src/testdir/dumps/Test_wildmenu_pum_16.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @5| +0#0000001#e0e0e08|X|d|i|r|A|/| @8| +0#4040ff13#ffffff0@51
+|~| @5| +0#0000001#ffd7ff255|X|f|i|l|e|A| @8| +0#4040ff13#ffffff0@51
+|:+0#0000000&|e| |X|d|i|r|/|X|d|i|r|A|/> @60

src/testdir/dumps/Test_wildmenu_pum_17.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e| |j|u|m|p| |l|i|s|t| |p|l|a|c|e| |u|n|d|e|f|i|n|e| |u|n|p|l|a|c|e> @29

src/testdir/dumps/Test_wildmenu_pum_18.dump

@@ -0,0 +1,10 @@
+|~+0#4040ff13#ffffff0| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e| @62
+|d|e|f|i|n|e| @68
+|:|s|i|g|n| |d|e|f|i|n|e> @62

src/testdir/dumps/Test_wildmenu_pum_19.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|d|e|f|i|n|e| @8| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|j|u|m|p| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|l|i|s|t| @10| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|p|l|a|c|e| @9| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#e0e0e08|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |u|n|d|e|f|i|n|e> @60

src/testdir/dumps/Test_wildmenu_pum_20.dump

@@ -0,0 +1,10 @@
+> +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@74

src/testdir/dumps/Test_wildmenu_pum_21.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n|e|x> @61

src/testdir/dumps/Test_wildmenu_pum_22.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|[+1&&|N|o| |N|a|m|e|]| @65
+|:+0#4040ff13&|s+0#af5f00255&|e|t| +0#0000000&|w+0#e000e06&|i|l|d|m|o|d|e|=+0#0000000&|l|o|n|g|e|s|t|,+0#af5f00255&|f+0#0000000&|u|l@1| @48
+|:+0#4040ff13&|s+0#af5f00255&|e|t| +0#0000000&|w+0#e000e06&|i|l|d|m|o|d|e|=+0#0000000&|f|u|l@1| @56
+|:+0#4040ff13&|s+0#af5f00255&|i|g|n| +0#0000000&|d|e|f|i|n|e| @62
+|:+0#4040ff13&|s+0#af5f00255&|i|g|n| +0#0000000&|d|e|f|i|n|e> @62
+|~+0#4040ff13&| @73
+|~| @73
+|[+3#0000000&|C|o|m@1|a|n|d| |L|i|n|e|]| @60
+|Y+0#0000001#ffff4012|o|u| |d|i|s|c|o|v|e|r|e|d| |t|h|e| |c|o|m@1|a|n|d|-|l|i|n|e| |w|i|n|d|o|w|!| |Y|o|u| |c|a|n| |c|l|o|s|e| |i|t| |w|i|t|h| |"|:|q|"|.| +0#0000000#ffffff0@7

src/testdir/dumps/Test_wildmenu_pum_23.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @3| +0#0000001#ffd7ff255|u|n|d|e|f|i|n|e| @6| +0#4040ff13#ffffff0@53
+|~| @3| +0#0000001#ffd7ff255|u|n|p|l|a|c|e| @7| +0#4040ff13#ffffff0@53
+|:+0#0000000&|s|i|g|n| |u> @67

src/testdir/dumps/Test_wildmenu_pum_24.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000001#e0e0e08|b|u|f|d|o| @9| +0#4040ff13#ffffff0@58
+| +0#0000001#ffd7ff255|b|u|f@1|e|r| @8| +0#4040ff13#ffffff0@58
+| +0#0000001#ffd7ff255|b|u|f@1|e|r|s| @7| +0#4040ff13#ffffff0@58
+| +0#0000001#ffd7ff255|b|u|n|l|o|a|d| @7| +0#4040ff13#ffffff0@58
+|:+0#0000000&|b|u|f|d|o> @68

src/testdir/dumps/Test_wildmenu_pum_25.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|b|u|f|d>o| @68

src/testdir/dumps/Test_wildmenu_pum_26.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |d|e|f|i|n> @63

src/testdir/dumps/Test_wildmenu_pum_27.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| > @68

src/testdir/dumps/Test_wildmenu_pum_28.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&> @73

src/testdir/dumps/Test_wildmenu_pum_29.dump

@@ -0,0 +1,10 @@
+| +0&#ffffff0@74
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|:+0#0000000&|s|i|g|n| |x|y|z> @65

src/testdir/test_cmdline.vim

@@ -1965,4 +1965,177 @@ func Test_suffixes_opt()
   call delete('Xfile.o')
 endfunc
 
+" Test for using a popup menu for the command line completion matches
+" (wildoptions=pum)
+func Test_wildmenu_pum()
+  CheckRunVimInTerminal
+
+  let commands =<< trim [CODE]
+    set wildmenu
+    set wildoptions=pum
+    set shm+=I
+    set noruler
+    set noshowcmd
+  [CODE]
+  call writefile(commands, 'Xtest')
+
+  let buf = RunVimInTerminal('-S Xtest', #{rows: 10})
+
+  call term_sendkeys(buf, ":sign \<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_01', {})
+
+  call term_sendkeys(buf, "\<Down>\<Down>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_02', {})
+
+  call term_sendkeys(buf, "\<C-N>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_03', {})
+
+  call term_sendkeys(buf, "\<C-P>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_04', {})
+
+  call term_sendkeys(buf, "\<Up>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_05', {})
+
+  " pressing <C-E> should end completion and go back to the original match
+  call term_sendkeys(buf, "\<C-E>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_06', {})
+
+  " pressing <C-Y> should select the current match and end completion
+  call term_sendkeys(buf, "\<Tab>\<C-P>\<C-P>\<C-Y>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_07', {})
+
+  " With 'wildmode' set to 'longest,full', completing a match should display
+  " the longest match, the wildmenu should not be displayed.
+  call term_sendkeys(buf, ":\<C-U>set wildmode=longest,full\<CR>")
+  call TermWait(buf)
+  call term_sendkeys(buf, ":sign u\<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_08', {})
+
+  " pressing <Tab> should display the wildmenu
+  call term_sendkeys(buf, "\<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_09', {})
+
+  " pressing <Tab> second time should select the next entry in the menu
+  call term_sendkeys(buf, "\<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_10', {})
+
+  call term_sendkeys(buf, ":\<C-U>set wildmode=full\<CR>")
+  " " showing popup menu in different columns in the cmdline
+  call term_sendkeys(buf, ":sign define \<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_11', {})
+
+  call term_sendkeys(buf, " \<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_12', {})
+
+  call term_sendkeys(buf, " \<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_13', {})
+
+  " Directory name completion
+  call mkdir('Xdir/XdirA/XdirB', 'p')
+  call writefile([], 'Xdir/XfileA')
+  call writefile([], 'Xdir/XdirA/XfileB')
+  call writefile([], 'Xdir/XdirA/XdirB/XfileC')
+
+  call term_sendkeys(buf, "\<C-U>e Xdi\<Tab>\<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_14', {})
+
+  " Pressing <Right> on a directory name should go into that directory
+  call term_sendkeys(buf, "\<Right>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_15', {})
+
+  " Pressing <Left> on a directory name should go to the parent directory
+  call term_sendkeys(buf, "\<Left>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_16', {})
+
+  " Pressing <C-A> when the popup menu is displayed should list all the
+  " matches and remove the popup menu
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-A>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_17', {})
+
+  " Pressing <C-D> when the popup menu is displayed should remove the popup
+  " menu
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-D>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_18', {})
+
+  " Pressing <S-Tab> should open the popup menu with the last entry selected
+  call term_sendkeys(buf, "\<C-U>\<CR>:sign \<S-Tab>\<C-P>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_19', {})
+
+  " Pressing <Esc> should close the popup menu and cancel the cmd line
+  call term_sendkeys(buf, "\<C-U>\<CR>:sign \<Tab>\<Esc>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_20', {})
+
+  " Typing a character when the popup is open, should close the popup
+  call term_sendkeys(buf, ":sign \<Tab>x")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_21', {})
+
+  " When the popup is open, entering the cmdline window should close the popup
+  call term_sendkeys(buf, "\<C-U>sign \<Tab>\<C-F>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_22', {})
+  call term_sendkeys(buf, ":q\<CR>")
+
+  " After the last popup menu item, <C-N> should show the original string
+  call term_sendkeys(buf, ":sign u\<Tab>\<C-N>\<C-N>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_23', {})
+
+  " Use the popup menu for the command name
+  call term_sendkeys(buf, "\<C-U>bu\<Tab>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_24', {})
+
+  " Pressing the left arrow should remove the popup menu
+  call term_sendkeys(buf, "\<Left>\<Left>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_25', {})
+
+  " Pressing <BS> should remove the popup menu and erase the last character
+  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<BS>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_26', {})
+
+  " Pressing <C-W> should remove the popup menu and erase the previous word
+  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<C-W>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_27', {})
+
+  " Pressing <C-U> should remove the popup menu and erase the entire line
+  call term_sendkeys(buf, "\<C-E>\<C-U>sign \<Tab>\<C-U>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_28', {})
+
+  " Using <C-E> to cancel the popup menu and then pressing <Up> should recall
+  " the cmdline from history
+  call term_sendkeys(buf, "sign xyz\<Esc>:sign \<Tab>\<C-E>\<Up>")
+  call TermWait(buf)
+  call VerifyScreenDump(buf, 'Test_wildmenu_pum_29', {})
+
+  call term_sendkeys(buf, "\<C-U>\<CR>")
+  call StopVimInTerminal(buf)
+  call delete('Xtest')
+  call delete('Xdir', 'rf')
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4325,
 /**/
     4324,
 /**/

src/vim.h

@@ -809,6 +809,8 @@ extern int (*dyn_libintl_wputenv)(const wchar_t *envstring);
 #define WILD_ALL		6
 #define WILD_LONGEST		7
 #define WILD_ALL_KEEP		8
+#define WILD_CANCEL		9
+#define WILD_APPLY		10
 
 #define WILD_LIST_NOTFOUND	    0x01
 #define WILD_HOME_REPLACE	    0x02