I'll "amalgamate" the comments below the question. The scenario is highly unlikely, but either through loss of pressure or contamination of the atmosphere, either ISS crew or an arriving crew could possibly need to be in the ISS while wearing a pressure or EVA suit. The OP asks if the laptops could be operated by someone wearing said suit, pointing out that the ThinkPads seen on the ISS are equipped with built-in capacitive track pads but no external mouse.
It was pointed out that the ThinkPads also have the little red Trackpoint - a sort of nano-joystick, but probably those would be fairly hard to use with a gloved hand as well.
It was then pointed out that the laptops are for non-essential tasks, so there may be little need to use them, unless of course Commodore Decker left his final log entries on one of the laptops.
It was then pointed out that in the case of a substantial or complete pressure loss, if they worked at all, they would overheat quickly. (Oh yeah, fans). Of course if the issue were a contaminant (e.g. ammonia, or CO2, or smoke) or biohazard in the atmosphere, the laptops might still work fine.
Enter 21st century touch-screen controls, possibly touch-screen everything. While voice command might possibly help in some cases, like they say, in space, Siri can't hear you say OK Google.
Thus, enter Boeing's new suit, including gloves with
sausages er... cheese sticks, ok advanced materials for fingertips that will work on capacitive touch sensitive screens: