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-- Copyright 2007-2010 Mitchell mitchell<att>caladbolg.net. See LICENSE.
local textadept = _G.textadept
local locale = _G.locale
---
-- Bookmarks for the textadept module.
module('_m.textadept.bookmarks', package.seeall)
-- Markdown:
-- ## Settings
--
-- * `MARK_BOOKMARK`: The unique integer mark used to identify a bookmarked
-- line.
-- * `MARK_BOOKMARK_COLOR`: The [Scintilla color][scintilla_color] used for a
-- bookmarked line.
--
-- [scintilla_color]: http://scintilla.org/ScintillaDoc.html#colour
-- settings
MARK_BOOKMARK = 1
MARK_BOOKMARK_COLOR = 0xC08040
-- end settings
---
-- Adds a bookmark to the current line.
function add()
local buffer = buffer
local line = buffer:line_from_position(buffer.current_pos)
buffer:marker_add(line, MARK_BOOKMARK)
end
---
-- Clears the bookmark at the current line.
function remove()
local buffer = buffer
local line = buffer:line_from_position(buffer.current_pos)
buffer:marker_delete(line, MARK_BOOKMARK)
end
---
-- Toggles a bookmark on the current line.
function toggle()
local buffer = buffer
local line = buffer:line_from_position(buffer.current_pos)
local markers = buffer:marker_get(line) -- bit mask
local bit = 2^MARK_BOOKMARK
if markers % (bit + bit) < bit then add() else remove() end
end
---
-- Clears all bookmarks in the current buffer.
function clear()
local buffer = buffer
buffer:marker_delete_all(MARK_BOOKMARK)
end
---
-- Goes to the next bookmark in the current buffer.
function 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.
function 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
if buffer then buffer:marker_set_back(MARK_BOOKMARK, MARK_BOOKMARK_COLOR) end
textadept.events.add_handler('view_new',
function() buffer:marker_set_back(MARK_BOOKMARK, MARK_BOOKMARK_COLOR) end)
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