diff options
Diffstat (limited to 'modules/textadept')
| -rw-r--r-- | modules/textadept/lsnippets.lua | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/modules/textadept/lsnippets.lua b/modules/textadept/lsnippets.lua index b8499fbb..e773be0f 100644 --- a/modules/textadept/lsnippets.lua +++ b/modules/textadept/lsnippets.lua @@ -106,9 +106,10 @@ local snippet_info, run_lua_code, handle_escapes, unhandle_escapes, unescape -- The text inserted has escape sequences handled. -- @param s_text Optional snippet to expand. If none is specified, the snippet -- is determined from the trigger word (left of the caret), lexer, and style. +-- @return false if no snippet was expanded; true otherwise. function insert(s_text) local buffer = buffer - local caret = buffer.current_pos + local anchor, caret = buffer.anchor, buffer.current_pos local lexer, style, start, s_name if not s_text then lexer = buffer:get_lexer_language() @@ -127,7 +128,7 @@ function insert(s_text) ret, s_text = pcall(try_get_snippet, lexer, style, s_name) if not ret then ret, s_text = pcall(try_get_snippet, lexer, s_name) end if not ret then ret, s_text = pcall(try_get_snippet, s_name) end - if not ret then buffer:goto_pos(caret) end -- restore caret + if not ret then buffer:set_sel(anchor, caret) end -- restore caret end if s_text then @@ -166,7 +167,8 @@ function insert(s_text) -- Indent all lines inserted. buffer.current_pos = snippet.start_pos - local count = 0 for _ in s_text:gmatch('\n') do count = count + 1 end + local count = 0 + for _ in s_text:gmatch('\n') do count = count + 1 end if count > 0 then local ref_line = buffer:line_from_position(start) local isize, ibase = buffer.indent, buffer.line_indentation[ref_line] @@ -179,18 +181,22 @@ function insert(s_text) buffer:end_undo_action() end - next() + return next() ~= false end --- -- If previously at a placeholder or tab stop, attempts to mirror and/or -- transform the entered text at all appropriate mirrors before moving on to -- the next placeholder or tab stop. +-- @return false if no snippet was expanded; nil otherwise function next() - if not snippet.index then return end + if not snippet.index then return false end -- no snippet was expanded local buffer = buffer local s_start, s_end, s_text = snippet_info() - if not s_text then cancel_current() return end + if not s_text then + cancel_current() + return + end local index = snippet.index snippet.snapshots[index] = s_text @@ -253,7 +259,11 @@ function next() end if e then e = e + 1 end end - if not s then snippet.index = index + 1 return next() end + if not s then + snippet.index = index + 1 + next() + return + end buffer:set_sel(s, e - 1) buffer:replace_sel('') end @@ -287,8 +297,9 @@ end --- -- Goes back to the previous placeholder or tab stop, reverting changes made to -- subsequent ones. +-- @return false if no snippet is active; nil otherwise function prev() - if not snippet.index then return end + if not snippet.index then return false end -- no snippet active local buffer = buffer local index = snippet.index if index > 1 then @@ -298,6 +309,8 @@ function prev() buffer:replace_sel(s_text) snippet.index = index - 2 next() + else + cancel_current() end end |