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--
--        Name: Mouse Click Append Line to Clipboard
--
--      Author: Jussi Jumppanen
--
--    Language: Lua Macro
--
-- Description: The click event macro will append the current line of
--              text to the clipboard.
--
--              To use the macro use the Options, Editor Optiosn menu
--              and in the Triggers panel add this to the Mouse Click
--              trigger:
--
--                   $zud\zScript\event_mouse_copy.lua
--
--              That line assumes the macro is saved to the zScript
--              folder as the event_mouse_copy.lua file.
--
function key_macro()
    if (is_document() == 1) then
        -- look for the line number
        for i = 1, argc(), 1 do
            -- Mouse Y argument will hold the line number
            local index, length, line = string.find(argv(i - 1), "MouseY=([%d:]+)")

            -- look for the line number argument
            if line ~= nil then
                -- append the line of text to the clipboard text
                local text = get_clipboard_text() .. get_line_text(line) .. "\n"

                -- put the combined text back into the clipboard
                set_clipboard_text(text)
                break;
            end
        end
    else
        -- macro only works for documents
        message("This macro only works for document files.");
        beep();
    end

    -- fire the default handler any any case
    set_return_code(0)
end

key_macro() -- run the macro