patch 8.1.0720: cannot easily change the current quickfx list indexv8.1.0720

Problem:    Cannot easily change the current quickfx list index.
Solution:   Add the "idx" argument to setqflist(). (Yegappan Lakshmanan,
            closes #3701)

2 files changed, 54 insertions, 22 deletions

diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 236f65ce0d..14d6bb4db1 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.1.  Last change: 2019 Jan 06
+*eval.txt*	For Vim version 8.1.  Last change: 2019 Jan 11
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2322,7 +2322,7 @@ prop_clear({lnum} [, {lnum-end} [, {props}]])
 				none	remove all text properties
 prop_find({props} [, {direction}])
 				Dict	search for a text property
-prop_list({lnum} [, {props})  	List	text properties in {lnum}
+prop_list({lnum} [, {props})	List	text properties in {lnum}
 prop_remove({props} [, {lnum} [, {lnum-end}]])
 				Number	remove a text property
 prop_type_add({name}, {props})	none	define a new property type
@@ -3979,7 +3979,7 @@ feedkeys({string} [, {mode}])				*feedkeys()*
 			stuck, waiting for a character to be typed before the
 			script continues.
 			Note that if you manage to call feedkeys() while
-			executing commands, thus calling it recursively, the
+			executing commands, thus calling it recursively, then
 			all typehead will be consumed by the last call.
 		'!'	When used with 'x' will not end Insert mode. Can be
 			used in a test when a timer is set to exit Insert mode
@@ -4794,7 +4794,7 @@ getloclist({nr} [, {what}])				*getloclist()*
 		If {what} contains 'filewinid', then returns the id of the
 		window used to display files from the location list. This
 		field is applicable only when called from a location list
-		window.
+		window. See |location-list-file-window| for more details.
 
 getmatches()						*getmatches()*
 		Returns a |List| with all matches previously defined by
@@ -4885,7 +4885,9 @@ getqflist([{what}])					*getqflist()*
 			id	get information for the quickfix list with
 				|quickfix-ID|; zero means the id for the
 				current list or the list specified by "nr"
-			idx	index of the current entry in the list
+			idx	index of the current entry in the quickfix
+				list specified by 'id' or 'nr'.
+				See |quickfix-index|
 			items	quickfix list entries
 			lines	parse a list of lines using 'efm' and return
 				the resulting entries.  Only a |List| type is
@@ -5084,7 +5086,7 @@ getwinpos([{timeout}])					*getwinpos()*
 		When using a value less than 10 and no response is received
 		within that time, a previously reported position is returned,
 		if available.  This can be used to poll for the position and
-		do some work in the mean time: >
+		do some work in the meantime: >
 			while 1
 			  let res = getwinpos(1)
 			  if res[0] >= 0
@@ -6336,7 +6338,7 @@ mode([expr])	Return a string that indicates the current mode.
 		   nov	    Operator-pending (forced characterwise |o_v|)
 		   noV	    Operator-pending (forced linewise |o_V|)
 		   noCTRL-V Operator-pending (forced blockwise |o_CTRL-V|);
-		   		CTRL-V is one character
+				CTRL-V is one character
 		   niI	    Normal using |i_CTRL-O| in |Insert-mode|
 		   niR	    Normal using |i_CTRL-O| in |Replace-mode|
 		   niV	    Normal using |i_CTRL-O| in |Virtual-Replace-mode|
@@ -6708,12 +6710,12 @@ prop_add({lnum}, {col}, {props})
 				for a property that does not continue in
 				another line; can be zero
 		   end_lnum	line number for the end of text
-		   end_col	column just after the text; not used when "length"
-				is present; when {col} and "end_col" are
-				equal, and "end_lnum" is omitted or equal to
-				{lnum}, this is a zero-width text property
+		   end_col	column just after the text; not used when
+				"length" is present; when {col} and "end_col"
+				are equal, and "end_lnum" is omitted or equal
+				to {lnum}, this is a zero-width text property
 		   bufnr	buffer to add the property to; when omitted
-		   		the current buffer is used
+				the current buffer is used
 		   id		user defined ID for the property; when omitted
 				zero is used
 		   type		name of the text property type
@@ -6758,7 +6760,7 @@ prop_find({props} [, {direction}])
 				start position with "lnum" and "col"
 				must be given; when omitted the
 				current buffer is used
-		   lnum"	start in this line (when omitted start
+		   lnum		start in this line (when omitted start
 				at the cursor)
 		   col		start at this column (when omitted
 				and "lnum" is given: use column 1,
@@ -6776,7 +6778,7 @@ prop_find({props} [, {direction}])
 		See |text-properties| for information about text properties.
 
 
-prop_list({lnum} [, {props}]) 				*prop_list()*
+prop_list({lnum} [, {props}])				*prop_list()*
 		Return a List with all text properties in line {lnum}.
 
 		When {props} contains a "bufnr" item, use this buffer instead
@@ -7701,16 +7703,22 @@ setqflist({list} [, {action} [, {what}]])		*setqflist()*
 		    efm		errorformat to use when parsing text from
 				"lines". If this is not present, then the
 				'errorformat' option value is used.
+				See |quickfix-parse|
 		    id		quickfix list identifier |quickfix-ID|
+		    idx		index of the current entry in the quickfix
+				list specified by 'id' or 'nr'. If set to '$',
+				then the last entry in the list is set as the
+				current entry.  See |quickfix-index|
 		    items	list of quickfix entries. Same as the {list}
 				argument.
 		    lines	use 'errorformat' to parse a list of lines and
 				add the resulting entries to the quickfix list
 				{nr} or {id}.  Only a |List| value is supported.
+				See |quickfix-parse|
 		    nr		list number in the quickfix stack; zero
 				means the current quickfix list and "$" means
-				the last quickfix list
-		    title	quickfix list title text
+				the last quickfix list.
+		    title	quickfix list title text. See |quickfix-title|
 		Unsupported keys in {what} are ignored.
 		If the "nr" item is not present, then the current quickfix list
 		is modified. When creating a new quickfix list, "nr" can be
@@ -8026,7 +8034,7 @@ sign_place({id}, {group}, {name}, {expr} [, {dict}])
 		the sign group name. To use the global sign group, use an
 		empty string.  {group} functions as a namespace for {id}, thus
 		two groups can use the same IDs. Refer to |sign-identifier|
-		for more information.
+		and |sign-group| for more information.
 
 		{name} refers to a defined sign.
 		{expr} refers to a buffer name or number. For the accepted
@@ -10091,9 +10099,9 @@ vim_starting		True while initial source'ing takes place. |startup|
 			*vim_starting*
 viminfo			Compiled with viminfo support.
 virtualedit		Compiled with 'virtualedit' option.
-visual			Compiled with Visual mode.
-visualextra		Compiled with extra Visual mode commands.
-			|blockwise-operators|.
+visual			Compiled with Visual mode. (always true)
+visualextra		Compiled with extra Visual mode commands. (always
+			true) |blockwise-operators|.
 vms			VMS version of Vim.
 vreplace		Compiled with |gR| and |gr| commands.
 vtp			Compiled for vcon support |+vtp| (check vcon to find
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index 471c5f96ec..18372dda0c 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt*  For Vim version 8.1.  Last change: 2018 Dec 27
+*quickfix.txt*  For Vim version 8.1.  Last change: 2019 Jan 09
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -56,6 +56,7 @@ A location list is a window-local quickfix list. You get one after commands
 like `:lvimgrep`, `:lgrep`, `:lhelpgrep`, `:lmake`, etc., which create a
 location list instead of a quickfix list as the corresponding `:vimgrep`,
 `:grep`, `:helpgrep`, `:make` do.
+						*location-list-file-window*
 A location list is associated with a window and each window can have a
 separate location list.  A location list can be associated with only one
 window.  The location list is independent of the quickfix list.
@@ -364,6 +365,23 @@ modify the title of a quickfix and location list respectively. Examples: >
 	call setloclist(3, [], 'a', {'title' : 'Cmd output'})
 	echo getloclist(3, {'title' : 1})
 <
+							*quickfix-index*
+When you jump to a quickfix/location list entry using any of the quickfix
+commands (e.g. |cc|, |cnext|, |cprev|, etc.), that entry becomes the currently
+selected entry. The index of the currently selected entry in a
+quickfix/location list can be obtained using the getqflist()/getloclist()
+functions. Examples: >
+	echo getqflist({'idx' : 0}).idx
+	echo getqflist({'id' : qfid, 'idx' : 0}).idx
+	echo getloclist(2, {'idx' : 0}).idx
+<
+For a new quickfix list, the first entry is selected and the index is 1.  Any
+entry in any quickfix/location list can be set as the currently selected entry
+using the setqflist() function. Examples: >
+	call setqflist([], 'a', {'idx' : 12})
+	call setqflist([], 'a', {'id' : qfid, 'idx' : 7})
+	call setloclist(1, [], 'a', {'idx' : 7})
+<
 							*quickfix-size*
 You can get the number of entries (size) in a quickfix and a location list
 using the |getqflist()| and |getloclist()| functions respectively. Examples: >
@@ -657,6 +675,9 @@ using these functions are below:
 
     " get the location list window id of the third window
     :echo getloclist(3, {'winid' : 0}).winid
+
+    " get the file window id of a location list window (winnr: 4)
+    :echo getloclist(4, {'filewinid' : 0}).filewinid
 <
 							*setqflist-examples*
 The |setqflist()| and |setloclist()| functions can be used to set the various
@@ -671,6 +692,9 @@ using these functions are below:
     " set the title of the current quickfix list
     :call setqflist([], 'a', {'title' : 'Mytitle'})
 
+    " change the current entry in the list specified by an identifier
+    :call setqflist([], 'a', {'id' : qfid, 'idx' : 10})
+
     " set the context of a quickfix list specified by an identifier
     :call setqflist([], 'a', {'id' : qfid, 'context' : {'val' : 100}})
 
@@ -1551,7 +1575,7 @@ The backslashes before the pipe character are required to avoid it to be
 recognized as a command separator.  The backslash before each space is
 required for the set command.
 
-					    *cfilter-plugin* *:Cfilter* *:Lfilter*
+				    *cfilter-plugin* *:Cfilter* *:Lfilter*
 If you have too many matching messages, you can use the cfilter plugin to
 reduce the number of entries.  Load the plugin with: >
    packadd cfilter