Default.sublime-mousemap

[

    {
        "button": "button1", "count": 1,
        "press_command": "drag_select",
        "command": "gdb_click"
    },

    {
        "button": "button1", "count": 2,
        "press_command": "drag_select",
        "press_args": {"by": "words"},
        "command": "gdb_double_click"
    }
]