[Libreoffice-bugs] [Bug 45705] New UNO commands for "Zoom in" and "Zoom out" of document canvas, to support keyboard zoom (comment 21)

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=45705

--- Comment #34 from V Stuart Foote <vstuart.foote at utsa.edu> ---
Currently document canvas Zoom is implemented for document via popup dialog,
zoom bar, or <ctrl>+mousewheel events.

Projects zoom via key_MOD1+mousewheel will progressively increase or decrease
zoom percentage, the needed function. It unfortunately requires use of a mouse.

Keyboard only Zoom-in or zoom-out action is possible currently but it is *very*
cumbersome, i.e. F10 + v + z + z (or as mnemonics are localized) and then enter
zoom percentage or select zoom preset radio button.

Enhancement is to supplement the dialog, zoom bar, and key_Mod1+mousewheel Zoom
actions with new control(s) (zoom-in/zoom-out), using existing SVX
zoomtools/zoomctrl/zoom framework.  A simple key_mod controlled keyboard only
stepped adjustment of zoom level at the zoom steps defined in zoomtools.cxx,
that could also be reassigned via keyboard customizations.

Implementing with default shortcut assignments to match os/DE norms would help
make for a seamless UX.

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