aegisub-scripts/em-dash.lua

50 lines
1.3 KiB
Lua

script_name = "Em-dash"
script_description = "I do not have an em-dash key on my keyboard"
script_author = "garret"
script_version = "2.1.0"
local em = ""
local function have_cursor_funcs()
return aegisub.gui and aegisub.gui.get_cursor and aegisub.gui.set_cursor
end
local function insert(sub, sel, act)
local line = sub[act]
local pos = aegisub.gui.get_cursor()
local start = string.sub(line.text, 1, pos - 1)
local end_ = string.sub(line.text, pos)
line.text = start .. em .. end_
aegisub.gui.set_cursor(pos + 1)
sub[act] = line
end
local function append(sub, sel)
for si, li in ipairs(sel) do
local line = sub[li]
if string.sub(line.text, -1) == "-" then
line.text = line.text:sub(1, #line.text - 1)
end
line.text = line.text..em
sub[li] = line
end
aegisub.set_undo_point(script_name)
end
local function replace(sub, sel)
for si, li in ipairs(sel) do
local line = sub[li]
local text = sub[li].text
text = text:gsub("%-%-",em)
line.text=text
sub[li] = line
end
aegisub.set_undo_point(script_name)
end
aegisub.register_macro(script_name.."/Append", "Appends an Em-dash to the selected line(s)", append)
aegisub.register_macro(script_name.."/Replace", "Replaces -- with "..em, replace)
if have_cursor_funcs() then
aegisub.register_macro(script_name.."/Insert", "Inserts an em-dash at the cursor position", insert)
end