[Okular-devel] [okular] [Bug 354012] New: Wish: change page by swiping on touchscreen during presentation mode

[Oliver Sander via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=354012

            Bug ID: 354012
           Summary: Wish: change page by swiping on touchscreen during
                    presentation mode
           Product: okular
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: oliver.sander at tu-dresden.de

I have a thinkpad yoga which has a touchpad, a touchscreen, and a pen.  All
three are separate input devices.  The keyboard and touchpad can fold away
completely, which leaves you with a tablet-like device.  I use this to do
presentations.  I cannot leave the keyboard there while presenting because I
draw on my slides with the pen, and the keyboard gets in the way of my drawing
hand.

However, in presentation mode, left mouse click goes to the next page, and
right mouse click goes to the previous one.  However, using the touchpad
buttons is not an option as the keyboard is folded away.  A finger tap on the
touchscreen is interpreted as left click, so I can go forward in the
presentation, but not backward.

My wish: please make okular let me get to the next/previous page of a
presentation when I do a left-to-right/right-to-left swiping gesture on the
touchscreen.

The make things a bit more complicated: [I am not sure whether the following is
a separate wish or not]  When I'm presenting, I have one of the drawing tools
activated basically all of the time.  I can draw okay with the pen.  However,
my finger (remember: that's not the same input device as the pen) is also wired
to 'drawing'.  Consequences:  a) I cannot change the page at all anymore. b) I
cannot rest my palm on the touchscreen for writing, because okular interprets
my palm as an attempt to draw something.

I know of related wishes such as https://bugs.kde.org/show_bug.cgi?id=346979
In contrast to others, I try here to focus on a single issue only, so it is not
a duplicate.

Reproducible: Always

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