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-- Copyright 2007-2012 Mitchell mitchell.att.foicica.com. See LICENSE.
local M = {}
--[[ This comment is for LuaDoc.
---
-- Bookmarks for the textadept module.
-- @field MARK_BOOKMARK_COLOR (number)
-- The color used for a bookmarked line in `0xBBGGRR` format.
module('_M.textadept.bookmarks')]]
M.MARK_BOOKMARK_COLOR = not NCURSES and 0xB3661A or 0xFF0000
local MARK_BOOKMARK = _SCINTILLA.next_marker_number()
---
-- Toggles a bookmark on the current line.
-- @param on If `true`, adds a bookmark to the current line. If `false`, removes
-- the bookmark on the current line. Otherwise, toggles a bookmark.
-- @name toggle
function M.toggle(on)
local buffer = buffer
local line = buffer:line_from_position(buffer.current_pos)
local f = on and buffer.marker_add or buffer.marker_delete
if on == nil then -- toggle
local bit, marker_mask = 2^MARK_BOOKMARK, buffer:marker_get(line)
if marker_mask % (bit + bit) < bit then f = buffer.marker_add end
end
f(buffer, line, MARK_BOOKMARK)
end
---
-- Clears all bookmarks in the current buffer.
-- @name clear
function M.clear()
buffer:marker_delete_all(MARK_BOOKMARK)
end
---
-- Goes to the next bookmark in the current buffer.
-- @name goto_next
function M.goto_next()
local buffer = buffer
local current_line = buffer:line_from_position(buffer.current_pos)
local line = buffer:marker_next(current_line + 1, 2^MARK_BOOKMARK)
if line == -1 then line = buffer:marker_next(0, 2^MARK_BOOKMARK) end
if line >= 0 then _M.textadept.editing.goto_line(line + 1) end
end
---
-- Goes to the previous bookmark in the current buffer.
-- @name goto_prev
function M.goto_prev()
local buffer = buffer
local current_line = buffer:line_from_position(buffer.current_pos)
local line = buffer:marker_previous(current_line - 1, 2^MARK_BOOKMARK)
if line == -1 then
line = buffer:marker_previous(buffer.line_count, 2^MARK_BOOKMARK)
end
if line >= 0 then _M.textadept.editing.goto_line(line + 1) end
end
---
-- Goes to selected bookmark from a filtered list.
-- @name goto_bookmark
function M.goto_bookmark()
local buffer = buffer
local markers, line = {}, buffer:marker_next(0, 2^MARK_BOOKMARK)
if line == -1 then return end
repeat
local text = buffer:get_line(line):sub(1, -2) -- chop \n
markers[#markers + 1] = tostring(line + 1)..': '..text
line = buffer:marker_next(line + 1, 2^MARK_BOOKMARK)
until line < 0
local line = gui.filteredlist(_L['Select Bookmark'], _L['Bookmark'], markers)
if line then _M.textadept.editing.goto_line(line:match('^%d+')) end
end
local NCURSES_MARK = _SCINTILLA.constants.SC_MARK_CHARACTER + string.byte(' ')
-- Sets view properties for bookmark markers.
local function set_bookmark_properties()
if NCURSES then buffer:marker_define(MARK_BOOKMARK, NCURSES_MARK) end
buffer.marker_back[MARK_BOOKMARK] = M.MARK_BOOKMARK_COLOR
end
if buffer then set_bookmark_properties() end
events.connect(events.VIEW_NEW, set_bookmark_properties)
return M
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