whynodd
Member
- Joined
- Sep 20, 2008
- Messages
- 262
MANY problems we have (no doubleclick-maximize, dragndrop errors or even no dragndrop, inconsistent touchscreen clicks, no scrollbar drag sometimes, menues quickly open and then immediately close, generally slow touchscreen...) are because of buggy touchscreen drivers or other interfering things. The touchscreen in this state is unusable for drawing e.g. in xournal. seems that it loses input data somewhere at random times and click-doubleclick-drag-release-events are mixed up. Some applcations always register 2 clicks when you touch the screen. Touchscreen rightclick should be removed completely - it barely works and may cause some of those problems with clicks.
Draw circles in xournal - the result is something round with random straight segments: Input randomly stalls.
Would be nice if somebody with more knowledge could have a look at it. This should have higher priority than new firmware features. My very old 100mhz Casio PDA performed 1000 times better at drawing and clicking with touchscreen.
The following may fix the slow touchscreen issue a bit:
sudo mousepad /etc/ts.conf
and then comment out the two lines with variance and dejitter. Seems that these filters just add lag and make things worse.
Also disabling window manager compositing helps. Why the hell has a window managing thread higher priority than input drivers? Maybe also other system threads cause those short random touchscreen stalls (very noticable in xounal).
Also the nubclicks are a bit weird. Their click does not last as long as you keep the nub pressed, the click releases automatically after a short predefined time (0.3sec or so). Possibly the same wrong click"mechanics" as with the touchscreen.
We had so many problems with these input issues in so many software projects, ports, guis and emulators...
Draw circles in xournal - the result is something round with random straight segments: Input randomly stalls.
Would be nice if somebody with more knowledge could have a look at it. This should have higher priority than new firmware features. My very old 100mhz Casio PDA performed 1000 times better at drawing and clicking with touchscreen.
The following may fix the slow touchscreen issue a bit:
sudo mousepad /etc/ts.conf
and then comment out the two lines with variance and dejitter. Seems that these filters just add lag and make things worse.
Also disabling window manager compositing helps. Why the hell has a window managing thread higher priority than input drivers? Maybe also other system threads cause those short random touchscreen stalls (very noticable in xounal).
Also the nubclicks are a bit weird. Their click does not last as long as you keep the nub pressed, the click releases automatically after a short predefined time (0.3sec or so). Possibly the same wrong click"mechanics" as with the touchscreen.
We had so many problems with these input issues in so many software projects, ports, guis and emulators...