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744 lines
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744 lines
25 KiB
Plaintext
*sign.txt* Nvim
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VIM REFERENCE MANUAL by Gordon Prieur
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and Bram Moolenaar
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Sign Support Features *sign-support*
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Type |gO| to see the table of contents.
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==============================================================================
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1. Introduction *sign-intro* *signs*
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When a debugger or other IDE tool is driving an editor it needs to be able
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to give specific highlights which quickly tell the user useful information
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about the file. One example of this would be a debugger which had an icon
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in the left-hand column denoting a breakpoint. Another example might be an
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arrow representing the Program Counter (PC). The sign features allow both
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placement of a sign, or icon, in the left-hand side of the window and
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definition of a highlight which will be applied to that line. Displaying the
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sign as an image is most likely only feasible in gvim (although Sun
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Microsystem's dtterm does support this it's the only terminal emulator I know
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of which does). A text sign and the highlight should be feasible in any color
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terminal emulator.
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Signs and highlights are not useful just for debuggers. There are plugins
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that use signs to mark build errors or display version control status.
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There are two steps in using signs:
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1. Define the sign. This specifies the image, text and highlighting. For
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example, you can define a "break" sign with an image of a stop roadsign and
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text "!!".
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2. Place the sign. This specifies the file and line number where the sign is
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displayed. A defined sign can be placed several times in different lines
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and files.
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*sign-column*
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When signs are defined for a file, Vim will automatically add a column of two
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characters to display them in. When the last sign is unplaced the column
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disappears again. This behavior can be changed with the 'signcolumn' option.
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The color of the column is set with the SignColumn highlight group
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|hl-SignColumn|. Example to set the color: >
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:highlight SignColumn guibg=darkgrey
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<
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*sign-identifier*
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Each placed sign is identified by a number called the sign identifier. This
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identifier is used to jump to the sign or to remove the sign. The identifier
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is assigned when placing the sign using the |:sign-place| command or the
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|sign_place()| function. Each sign identifier should be a unique number. If
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multiple placed signs use the same identifier, then jumping to or removing a
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sign becomes unpredictable. To avoid overlapping identifiers, sign groups can
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be used. The |sign_place()| function can be called with a zero sign identifier
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to allocate the next available identifier.
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*sign-group*
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Each placed sign can be assigned to either the global group or a named group.
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When placing a sign, if a group name is not supplied, or an empty string is
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used, then the sign is placed in the global group. Otherwise the sign is
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placed in the named group. The sign identifier is unique within a group. The
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sign group allows Vim plugins to use unique signs without interfering with
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other plugins using signs.
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*sign-priority*
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Each placed sign is assigned a priority value. When multiple signs are placed
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on the same line, the attributes of the sign with the highest priority is used
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independently of the sign group. The default priority for a sign is 10. The
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priority is assigned at the time of placing a sign.
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When two signs with the same priority are present, and one has an icon or text
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in the signcolumn while the other has line highlighting, then both are
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displayed.
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When the line on which the sign is placed is deleted, the sign is moved to the
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next line (or the last line of the buffer, if there is no next line). When
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the delete is undone the sign does not move back.
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==============================================================================
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2. Commands *sign-commands* *:sig* *:sign*
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Here is an example that places a sign "piet", displayed with the text ">>", in
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line 23 of the current file: >
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:sign define piet text=>> texthl=Search
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:exe ":sign place 2 line=23 name=piet file=" . expand("%:p")
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And here is the command to delete it again: >
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:sign unplace 2
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Note that the ":sign" command cannot be followed by another command or a
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comment. If you do need that, use the |:execute| command.
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DEFINING A SIGN. *:sign-define* *E255* *E160* *E612*
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See |sign_define()| for the equivalent Vim script function.
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:sign define {name} {argument}...
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Define a new sign or set attributes for an existing sign.
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The {name} can either be a number (all digits) or a name
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starting with a non-digit. Leading zeros are ignored, thus
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"0012", "012" and "12" are considered the same name.
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About 120 different signs can be defined.
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Accepted arguments:
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icon={bitmap}
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Define the file name where the bitmap can be found. Should be
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a full path. The bitmap should fit in the place of two
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characters. This is not checked. If the bitmap is too big it
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will cause redraw problems.
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toolkit supports ~
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Win32 .bmp, .ico, .cur
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linehl={group}
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Highlighting group used for the whole line the sign is placed
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in. Most useful is defining a background color.
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numhl={group}
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Highlighting group used for 'number' column at the associated
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line. Overrides |hl-LineNr|, |hl-CursorLineNr|.
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text={text} *E239*
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Define the text that is displayed when there is no icon or the
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GUI is not being used. Only printable characters are allowed
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and they must occupy one or two display cells.
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texthl={group}
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Highlighting group used for the text item.
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Example: >
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:sign define MySign text=>> texthl=Search linehl=DiffText
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<
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DELETING A SIGN *:sign-undefine* *E155*
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See |sign_undefine()| for the equivalent Vim script function.
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:sign undefine {name}
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Deletes a previously defined sign. If signs with this {name}
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are still placed this will cause trouble.
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Example: >
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:sign undefine MySign
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<
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LISTING SIGNS *:sign-list* *E156*
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See |sign_getdefined()| for the equivalent Vim script function.
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:sign list Lists all defined signs and their attributes.
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:sign list {name}
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Lists one defined sign and its attributes.
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PLACING SIGNS *:sign-place* *E158*
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See |sign_place()| for the equivalent Vim script function.
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:sign place {id} line={lnum} name={name} file={fname}
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Place sign defined as {name} at line {lnum} in file {fname}.
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*:sign-fname*
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The file {fname} must already be loaded in a buffer. The
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exact file name must be used, wildcards, $ENV and ~ are not
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expanded, white space must not be escaped. Trailing white
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space is ignored.
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The sign is remembered under {id}, this can be used for
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further manipulation. {id} must be a number.
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It's up to the user to make sure the {id} is used only once in
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each file (if it's used several times unplacing will also have
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to be done several times and making changes may not work as
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expected).
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The following optional sign attributes can be specified before
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"file=":
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group={group} Place sign in sign group {group}
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priority={prio} Assign priority {prio} to sign
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By default, the sign is placed in the global sign group.
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By default, the sign is assigned a default priority of 10. To
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assign a different priority value, use "priority={prio}" to
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specify a value. The priority is used to determine the sign
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that is displayed when multiple signs are placed on the same
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line.
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Examples: >
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:sign place 5 line=3 name=sign1 file=a.py
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:sign place 6 group=g2 line=2 name=sign2 file=x.py
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:sign place 9 group=g2 priority=50 line=5
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\ name=sign1 file=a.py
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<
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:sign place {id} line={lnum} name={name} [buffer={nr}]
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Same, but use buffer {nr}. If the buffer argument is not
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given, place the sign in the current buffer.
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Example: >
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:sign place 10 line=99 name=sign3
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:sign place 10 line=99 name=sign3 buffer=3
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<
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*E885*
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:sign place {id} name={name} file={fname}
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Change the placed sign {id} in file {fname} to use the defined
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sign {name}. See remark above about {fname} |:sign-fname|.
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This can be used to change the displayed sign without moving
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it (e.g., when the debugger has stopped at a breakpoint).
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The optional "group={group}" attribute can be used before
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"file=" to select a sign in a particular group. The optional
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"priority={prio}" attribute can be used to change the priority
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of an existing sign.
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Example: >
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:sign place 23 name=sign1 file=/path/to/edit.py
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<
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:sign place {id} name={name} [buffer={nr}]
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Same, but use buffer {nr}. If the buffer argument is not
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given, use the current buffer.
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Example: >
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:sign place 23 name=sign1
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:sign place 23 name=sign1 buffer=7
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<
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REMOVING SIGNS *:sign-unplace* *E159*
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See |sign_unplace()| for the equivalent Vim script function.
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:sign unplace {id} file={fname}
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Remove the previously placed sign {id} from file {fname}.
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See remark above about {fname} |:sign-fname|.
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:sign unplace {id} group={group} file={fname}
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Same but remove the sign {id} in sign group {group}.
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:sign unplace {id} group=* file={fname}
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Same but remove the sign {id} from all the sign groups.
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:sign unplace * file={fname}
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Remove all placed signs in file {fname}.
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:sign unplace * group={group} file={fname}
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Remove all placed signs in group {group} from file {fname}.
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:sign unplace * group=* file={fname}
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Remove all placed signs in all the groups from file {fname}.
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:sign unplace {id} buffer={nr}
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Remove the previously placed sign {id} from buffer {nr}.
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:sign unplace {id} group={group} buffer={nr}
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Remove the previously placed sign {id} in group {group} from
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buffer {nr}.
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:sign unplace {id} group=* buffer={nr}
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Remove the previously placed sign {id} in all the groups from
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buffer {nr}.
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:sign unplace * buffer={nr}
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Remove all placed signs in buffer {nr}.
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:sign unplace * group={group} buffer={nr}
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Remove all placed signs in group {group} from buffer {nr}.
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:sign unplace * group=* buffer={nr}
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Remove all placed signs in all the groups from buffer {nr}.
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:sign unplace {id}
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Remove the previously placed sign {id} from all files it
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appears in.
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:sign unplace {id} group={group}
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Remove the previously placed sign {id} in group {group} from
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all files it appears in.
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:sign unplace {id} group=*
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Remove the previously placed sign {id} in all the groups from
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all the files it appears in.
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:sign unplace *
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Remove all placed signs in the global group from all the files.
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:sign unplace * group={group}
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Remove all placed signs in group {group} from all the files.
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:sign unplace * group=*
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Remove all placed signs in all the groups from all the files.
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:sign unplace
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Remove a placed sign at the cursor position. If multiple signs
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are placed in the line, then only one is removed.
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:sign unplace group={group}
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Remove a placed sign in group {group} at the cursor
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position.
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:sign unplace group=*
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Remove a placed sign in any group at the cursor position.
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LISTING PLACED SIGNS *:sign-place-list*
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See |sign_getplaced()| for the equivalent Vim script function.
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:sign place file={fname}
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List signs placed in file {fname}.
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See remark above about {fname} |:sign-fname|.
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:sign place group={group} file={fname}
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List signs in group {group} placed in file {fname}.
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:sign place group=* file={fname}
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List signs in all the groups placed in file {fname}.
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:sign place buffer={nr}
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List signs placed in buffer {nr}.
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:sign place group={group} buffer={nr}
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List signs in group {group} placed in buffer {nr}.
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:sign place group=* buffer={nr}
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List signs in all the groups placed in buffer {nr}.
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:sign place group={group}
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List placed signs in all sign groups in all the files.
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:sign place group=*
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List placed signs in all sign groups in all files.
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JUMPING TO A SIGN *:sign-jump* *E157*
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See |sign_jump()| for the equivalent Vim script function.
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:sign jump {id} file={fname}
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Open the file {fname} or jump to the window that contains
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{fname} and position the cursor at sign {id}.
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See remark above about {fname} |:sign-fname|.
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If the file isn't displayed in window and the current file can
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not be |abandon|ed this fails.
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:sign jump {id} group={group} file={fname}
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Same but jump to the sign in group {group}
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:sign jump {id} [buffer={nr}] *E934*
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Same, but use buffer {nr}. This fails if buffer {nr} does not
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have a name. If the buffer argument is not given, use the
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current buffer.
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:sign jump {id} group={group} [buffer={nr}]
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Same but jump to the sign in group {group}
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==============================================================================
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3. Functions *sign-functions-details*
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sign_define({name} [, {dict}]) *sign_define()*
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sign_define({list})
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Define a new sign named {name} or modify the attributes of an
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existing sign. This is similar to the |:sign-define| command.
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Prefix {name} with a unique text to avoid name collisions.
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There is no {group} like with placing signs.
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The {name} can be a String or a Number. The optional {dict}
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argument specifies the sign attributes. The following values
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are supported:
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icon full path to the bitmap file for the sign.
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linehl highlight group used for the whole line the
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sign is placed in.
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text text that is displayed when there is no icon
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or the GUI is not being used.
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texthl highlight group used for the text item
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numhl highlight group used for 'number' column at the
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associated line. Overrides |hl-LineNr|,
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|hl-CursorLineNr|.
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If the sign named {name} already exists, then the attributes
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of the sign are updated.
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The one argument {list} can be used to define a list of signs.
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Each list item is a dictionary with the above items in {dict}
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and a "name" item for the sign name.
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Returns 0 on success and -1 on failure. When the one argument
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{list} is used, then returns a List of values one for each
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defined sign.
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Examples: >
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call sign_define("mySign", {
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\ "text" : "=>",
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\ "texthl" : "Error",
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\ "linehl" : "Search"})
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call sign_define([
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\ {'name' : 'sign1',
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\ 'text' : '=>'},
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\ {'name' : 'sign2',
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\ 'text' : '!!'}
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\ ])
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<
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Can also be used as a |method|: >
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GetSignList()->sign_define()
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sign_getdefined([{name}]) *sign_getdefined()*
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Get a list of defined signs and their attributes.
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This is similar to the |:sign-list| command.
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If the {name} is not supplied, then a list of all the defined
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signs is returned. Otherwise the attribute of the specified
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sign is returned.
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Each list item in the returned value is a dictionary with the
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following entries:
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icon full path to the bitmap file of the sign
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linehl highlight group used for the whole line the
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sign is placed in; not present if not set.
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name name of the sign
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text text that is displayed when there is no icon
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or the GUI is not being used.
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texthl highlight group used for the text item; not
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present if not set.
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numhl highlight group used for 'number' column at the
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associated line. Overrides |hl-LineNr|,
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|hl-CursorLineNr|.
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Returns an empty List if there are no signs and when {name} is
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not found.
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Examples: >
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" Get a list of all the defined signs
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echo sign_getdefined()
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" Get the attribute of the sign named mySign
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echo sign_getdefined("mySign")
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<
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Can also be used as a |method|: >
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GetSignList()->sign_getdefined()
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sign_getplaced([{buf} [, {dict}]]) *sign_getplaced()*
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Return a list of signs placed in a buffer or all the buffers.
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This is similar to the |:sign-place-list| command.
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If the optional buffer name {buf} is specified, then only the
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list of signs placed in that buffer is returned. For the use
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of {buf}, see |bufname()|. The optional {dict} can contain
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the following entries:
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group select only signs in this group
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id select sign with this identifier
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lnum select signs placed in this line. For the use
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of {lnum}, see |line()|.
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If {group} is '*', then signs in all the groups including the
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global group are returned. If {group} is not supplied or is an
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empty string, then only signs in the global group are
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returned. If no arguments are supplied, then signs in the
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global group placed in all the buffers are returned.
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See |sign-group|.
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Each list item in the returned value is a dictionary with the
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following entries:
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bufnr number of the buffer with the sign
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signs list of signs placed in {bufnr}. Each list
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item is a dictionary with the below listed
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entries
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The dictionary for each sign contains the following entries:
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group sign group. Set to '' for the global group.
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id identifier of the sign
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lnum line number where the sign is placed
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name name of the defined sign
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priority sign priority
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The returned signs in a buffer are ordered by their line
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number and priority.
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Returns an empty list on failure or if there are no placed
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signs.
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Examples: >
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" Get a List of signs placed in eval.c in the
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" global group
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echo sign_getplaced("eval.c")
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" Get a List of signs in group 'g1' placed in eval.c
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echo sign_getplaced("eval.c", {'group' : 'g1'})
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" Get a List of signs placed at line 10 in eval.c
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echo sign_getplaced("eval.c", {'lnum' : 10})
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" Get sign with identifier 10 placed in a.py
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echo sign_getplaced("a.py", {'id' : 10})
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" Get sign with id 20 in group 'g1' placed in a.py
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echo sign_getplaced("a.py", {'group' : 'g1',
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\ 'id' : 20})
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" Get a List of all the placed signs
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echo sign_getplaced()
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<
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Can also be used as a |method|: >
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GetBufname()->sign_getplaced()
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<
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*sign_jump()*
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sign_jump({id}, {group}, {buf})
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Open the buffer {buf} or jump to the window that contains
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{buf} and position the cursor at sign {id} in group {group}.
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|
This is similar to the |:sign-jump| command.
|
|
|
|
For the use of {buf}, see |bufname()|.
|
|
|
|
Returns the line number of the sign. Returns -1 if the
|
|
arguments are invalid.
|
|
|
|
Example: >
|
|
" Jump to sign 10 in the current buffer
|
|
call sign_jump(10, '', '')
|
|
<
|
|
Can also be used as a |method|: >
|
|
GetSignid()->sign_jump()
|
|
<
|
|
*sign_place()*
|
|
sign_place({id}, {group}, {name}, {buf} [, {dict}])
|
|
Place the sign defined as {name} at line {lnum} in file or
|
|
buffer {buf} and assign {id} and {group} to sign. This is
|
|
similar to the |:sign-place| command.
|
|
|
|
If the sign identifier {id} is zero, then a new identifier is
|
|
allocated. Otherwise the specified number is used. {group} is
|
|
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|
|
|
and |sign-group| for more information.
|
|
|
|
{name} refers to a defined sign.
|
|
{buf} refers to a buffer name or number. For the accepted
|
|
values, see |bufname()|.
|
|
|
|
The optional {dict} argument supports the following entries:
|
|
lnum line number in the file or buffer
|
|
{buf} where the sign is to be placed.
|
|
For the accepted values, see |line()|.
|
|
priority priority of the sign. See
|
|
|sign-priority| for more information.
|
|
|
|
If the optional {dict} is not specified, then it modifies the
|
|
placed sign {id} in group {group} to use the defined sign
|
|
{name}.
|
|
|
|
Returns the sign identifier on success and -1 on failure.
|
|
|
|
Examples: >
|
|
" Place a sign named sign1 with id 5 at line 20 in
|
|
" buffer json.c
|
|
call sign_place(5, '', 'sign1', 'json.c',
|
|
\ {'lnum' : 20})
|
|
|
|
" Updates sign 5 in buffer json.c to use sign2
|
|
call sign_place(5, '', 'sign2', 'json.c')
|
|
|
|
" Place a sign named sign3 at line 30 in
|
|
" buffer json.c with a new identifier
|
|
let id = sign_place(0, '', 'sign3', 'json.c',
|
|
\ {'lnum' : 30})
|
|
|
|
" Place a sign named sign4 with id 10 in group 'g3'
|
|
" at line 40 in buffer json.c with priority 90
|
|
call sign_place(10, 'g3', 'sign4', 'json.c',
|
|
\ {'lnum' : 40, 'priority' : 90})
|
|
<
|
|
Can also be used as a |method|: >
|
|
GetSignid()->sign_place(group, name, expr)
|
|
<
|
|
*sign_placelist()*
|
|
sign_placelist({list})
|
|
Place one or more signs. This is similar to the
|
|
|sign_place()| function. The {list} argument specifies the
|
|
List of signs to place. Each list item is a dict with the
|
|
following sign attributes:
|
|
buffer buffer name or number. For the accepted
|
|
values, see |bufname()|.
|
|
group sign group. {group} functions as a namespace
|
|
for {id}, thus two groups can use the same
|
|
IDs. If not specified or set to an empty
|
|
string, then the global group is used. See
|
|
|sign-group| for more information.
|
|
id sign identifier. If not specified or zero,
|
|
then a new unique identifier is allocated.
|
|
Otherwise the specified number is used. See
|
|
|sign-identifier| for more information.
|
|
lnum line number in the buffer {buf} where the
|
|
sign is to be placed. For the accepted values,
|
|
see |line()|.
|
|
name name of the sign to place. See |sign_define()|
|
|
for more information.
|
|
priority priority of the sign. When multiple signs are
|
|
placed on a line, the sign with the highest
|
|
priority is used. If not specified, the
|
|
default value of 10 is used. See
|
|
|sign-priority| for more information.
|
|
|
|
If {id} refers to an existing sign, then the existing sign is
|
|
modified to use the specified {name} and/or {priority}.
|
|
|
|
Returns a List of sign identifiers. If failed to place a
|
|
sign, the corresponding list item is set to -1.
|
|
|
|
Examples: >
|
|
" Place sign s1 with id 5 at line 20 and id 10 at line
|
|
" 30 in buffer a.c
|
|
let [n1, n2] = sign_placelist([
|
|
\ {'id' : 5,
|
|
\ 'name' : 's1',
|
|
\ 'buffer' : 'a.c',
|
|
\ 'lnum' : 20},
|
|
\ {'id' : 10,
|
|
\ 'name' : 's1',
|
|
\ 'buffer' : 'a.c',
|
|
\ 'lnum' : 30}
|
|
\ ])
|
|
|
|
" Place sign s1 in buffer a.c at line 40 and 50
|
|
" with auto-generated identifiers
|
|
let [n1, n2] = sign_placelist([
|
|
\ {'name' : 's1',
|
|
\ 'buffer' : 'a.c',
|
|
\ 'lnum' : 40},
|
|
\ {'name' : 's1',
|
|
\ 'buffer' : 'a.c',
|
|
\ 'lnum' : 50}
|
|
\ ])
|
|
<
|
|
Can also be used as a |method|: >
|
|
GetSignlist()->sign_placelist()
|
|
|
|
sign_undefine([{name}]) *sign_undefine()*
|
|
sign_undefine({list})
|
|
Deletes a previously defined sign {name}. This is similar to
|
|
the |:sign-undefine| command. If {name} is not supplied, then
|
|
deletes all the defined signs.
|
|
|
|
The one argument {list} can be used to undefine a list of
|
|
signs. Each list item is the name of a sign.
|
|
|
|
Returns 0 on success and -1 on failure. For the one argument
|
|
{list} call, returns a list of values one for each undefined
|
|
sign.
|
|
|
|
Examples: >
|
|
" Delete a sign named mySign
|
|
call sign_undefine("mySign")
|
|
|
|
" Delete signs 'sign1' and 'sign2'
|
|
call sign_undefine(["sign1", "sign2"])
|
|
|
|
" Delete all the signs
|
|
call sign_undefine()
|
|
<
|
|
Can also be used as a |method|: >
|
|
GetSignlist()->sign_undefine()
|
|
|
|
sign_unplace({group} [, {dict}]) *sign_unplace()*
|
|
Remove a previously placed sign in one or more buffers. This
|
|
is similar to the |:sign-unplace| command.
|
|
|
|
{group} is the sign group name. To use the global sign group,
|
|
use an empty string. If {group} is set to '*', then all the
|
|
groups including the global group are used.
|
|
The signs in {group} are selected based on the entries in
|
|
{dict}. The following optional entries in {dict} are
|
|
supported:
|
|
buffer buffer name or number. See |bufname()|.
|
|
id sign identifier
|
|
If {dict} is not supplied, then all the signs in {group} are
|
|
removed.
|
|
|
|
Returns 0 on success and -1 on failure.
|
|
|
|
Examples: >
|
|
" Remove sign 10 from buffer a.vim
|
|
call sign_unplace('', {'buffer' : "a.vim", 'id' : 10})
|
|
|
|
" Remove sign 20 in group 'g1' from buffer 3
|
|
call sign_unplace('g1', {'buffer' : 3, 'id' : 20})
|
|
|
|
" Remove all the signs in group 'g2' from buffer 10
|
|
call sign_unplace('g2', {'buffer' : 10})
|
|
|
|
" Remove sign 30 in group 'g3' from all the buffers
|
|
call sign_unplace('g3', {'id' : 30})
|
|
|
|
" Remove all the signs placed in buffer 5
|
|
call sign_unplace('*', {'buffer' : 5})
|
|
|
|
" Remove the signs in group 'g4' from all the buffers
|
|
call sign_unplace('g4')
|
|
|
|
" Remove sign 40 from all the buffers
|
|
call sign_unplace('*', {'id' : 40})
|
|
|
|
" Remove all the placed signs from all the buffers
|
|
call sign_unplace('*')
|
|
|
|
< Can also be used as a |method|: >
|
|
GetSigngroup()->sign_unplace()
|
|
<
|
|
sign_unplacelist({list}) *sign_unplacelist()*
|
|
Remove previously placed signs from one or more buffers. This
|
|
is similar to the |sign_unplace()| function.
|
|
|
|
The {list} argument specifies the List of signs to remove.
|
|
Each list item is a dict with the following sign attributes:
|
|
buffer buffer name or number. For the accepted
|
|
values, see |bufname()|. If not specified,
|
|
then the specified sign is removed from all
|
|
the buffers.
|
|
group sign group name. If not specified or set to an
|
|
empty string, then the global sign group is
|
|
used. If set to '*', then all the groups
|
|
including the global group are used.
|
|
id sign identifier. If not specified, then all
|
|
the signs in the specified group are removed.
|
|
|
|
Returns a List where an entry is set to 0 if the corresponding
|
|
sign was successfully removed or -1 on failure.
|
|
|
|
Example: >
|
|
" Remove sign with id 10 from buffer a.vim and sign
|
|
" with id 20 from buffer b.vim
|
|
call sign_unplacelist([
|
|
\ {'id' : 10, 'buffer' : "a.vim"},
|
|
\ {'id' : 20, 'buffer' : 'b.vim'},
|
|
\ ])
|
|
<
|
|
Can also be used as a |method|: >
|
|
GetSignlist()->sign_unplacelist()
|
|
<
|
|
|
|
vim:tw=78:ts=8:noet:ft=help:norl:
|