feature request: customize keyboard shortcuts
it would be very nice if this app could let user define its own shortcuts (like most games do). the current up/down arrow keys & others don't functioning; it's a waste.
for example up/down arrow keys for scrolling, 1
to stay 100% zoom ratio and so on.
another problem: is it possible to keep the zoom in ratio of previous picture when switching to the next? for example when reading manga (comics) this would be useful.