mouse is jumpy \ VOGONS

mouse is jumpy

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First post, by sehh

Posted on 2006-08-09, 13:53

sehh Offline

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I'm running dosbox 0.65 under Windoze Server 2003 64bit and its working great.

Unfortunately i can't use the mouse. While i can see the pointer and move it around, its jumpy, thus impossible to use.

For example, when its in the upper left corner and i move my hand downwards,
by just a little bit, the pointer moves to the bottom corner.

Its as if the "sensitivity" is maxed out or some other compatibility problem.

I am not having this issue with any other application or game.

Any help would be appriciated.

--
sehh

Reply 1 of 23, by sehh

Posted on 2006-08-09, 14:22

sehh Offline

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One last thing i forgot to mention:

I changed "sensitivity=100" from dosbox.conf to different values but that didn't help.

For example, i lowered it to "10", as a result the mouse would still jump from one end of the screen to the other, but now it would do it in slow motion. The mouse would behave as if in "dream state" 😀

Its probably a problem in the way dosbox reads my mouse movement.... (at this point i can hear all the dosbox developers rushing to say that dosbox has no problems and that its my fault) 😀 🤣

--
sehh

Reply 2 of 23, by wd

Posted on 2006-08-09, 20:16

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You could try other SDL apps to see if the mouse events come in correctly.

Reply 3 of 23, by sehh

Posted on 2006-08-09, 20:44

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Just tested two small puzzle games i found (SDL based) and they are working fine...

i'll try some heavy application like an RPG or something..

--
sehh

Reply 4 of 23, by sehh

Posted on 2006-08-09, 20:59

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i tried a few other SDL based games, like bzflag (fully mouse contrallable) and they all work fine.

--
sehh

Reply 5 of 23, by h-a-l-9000

Posted on 2006-08-09, 21:22

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Even if you use the sdl.dll that came with Dosbox with them?

1+1=10

Reply 6 of 23, by sehh

Posted on 2006-08-09, 21:27

sehh Offline

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didn't try that, let me do that...

--
sehh

Reply 7 of 23, by sehh

Posted on 2006-08-09, 21:38

sehh Offline

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hmm i copied the SDL dll files from dosbox to another game, and it still worked. Which suggests the problem isn't there.

BUT

i did find another game (SDL based, again) but which DOES have the same mouse problems as dosbox (https://sourceforge.net/project/showfiles.php?group_id=66561)

any suggestions please?

--
sehh

Reply 8 of 23, by wd

Posted on 2006-08-11, 10:14

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As they're using the relative mouse motion fields as well, i guess
the SDL_MouseMotionEvent->xrel and ->yrel is messed up on your system.
You can try to output the fields of the motion-variable in
HandleMouseMotion() of sdlmain.cpp

Reply 9 of 23, by sehh

Posted on 2006-08-11, 10:29

sehh Offline

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I have no idea what you are talking about 😀

i guess the issue is with SDL? should i report it there? or is there anything we can do about it here?

--
sehh

Reply 10 of 23, by wd

Posted on 2006-08-11, 15:20

wd Offline

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> i guess the issue is with SDL?

Well i don't know, but i assume it is as two different programs are affected.
You could test that by modifying the sources, maybe somebody else with
the same system could do that as well.

Reply 11 of 23, by sehh

Posted on 2006-08-11, 16:11

sehh Offline

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modify the sources?... not for me... 🙁

is there an alternative application similar to dosbox?

--
sehh

Reply 12 of 23, by DosFreak

Posted on 2006-08-11, 16:40

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Qemu would be the closest.

How To Ask Questions The Smart Way
Make your games work offline

Reply 13 of 23, by sehh

Posted on 2006-08-11, 17:19

sehh Offline

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k thanks people

--
sehh

Reply 14 of 23, by wd

Posted on 2006-08-12, 13:28

wd Offline

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Do regular 32bit x86 compiles work? Maybe i can send you
a build that displays some information about the mouse
SDL events.
Guess that the SDL people would be interested in knowing
about it if there's really a bug.

Reply 15 of 23, by sehh

Posted on 2006-08-27, 13:28

sehh Offline

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Sorry for the late reply, i was away for some time.

Sure they work, please send me binaries and i'll test them for you and send you any debug output.

thanks for helping, i appriciate it.

--
sehh

Reply 16 of 23, by sehh

Posted on 2006-08-27, 14:05

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this is while i'm in windowed mode:

1mouse motion: xrel 1, yrel 2, posx 283, posy 138
2mouse motion: xrel 0, yrel 1, posx 283, posy 139
3mouse motion: xrel 1, yrel 2, posx 284, posy 141
4mouse motion: xrel 0, yrel 1, posx 284, posy 142
5mouse motion: xrel 1, yrel 1, posx 285, posy 143
6mouse motion: xrel 1, yrel 1, posx 286, posy 144
7mouse motion: xrel 1, yrel 1, posx 287, posy 145
8mouse motion: xrel 1, yrel 1, posx 288, posy 146
9mouse motion: xrel 1, yrel 1, posx 289, posy 147
10mouse motion: xrel 1, yrel 0, posx 290, posy 147
11mouse motion: xrel 1, yrel 0, posx 291, posy 147
12mouse motion: xrel 1, yrel 0, posx 292, posy 147
13mouse motion: xrel 1, yrel -1, posx 293, posy 146
14mouse motion: xrel 1, yrel 0, posx 294, posy 146
15mouse motion: xrel 1, yrel -1, posx 295, posy 145
16mouse motion: xrel 1, yrel 0, posx 296, posy 145
17mouse motion: xrel 0, yrel -1, posx 296, posy 144

this is while i'm in fullscreen mode:

1mouse motion: xrel 0, yrel 385, posx 0, posy 1023
2mouse motion: xrel 205, yrel 1793, posx 205, posy 1023
3mouse motion: xrel 102, yrel 257, posx 307, posy 1023
4mouse motion: xrel 1025, yrel 1537, posx 1279, posy 1023
5mouse motion: xrel 820, yrel 769, posx 1279, posy 1023
6mouse motion: xrel 1230, yrel 512, posx 1279, posy 1023
7mouse motion: xrel 1230, yrel 256, posx 1279, posy 1023
8mouse motion: xrel 1639, yrel 0, posx 1279, posy 1023
9mouse motion: xrel 1435, yrel -512, posx 1279, posy 511
10mouse motion: xrel 1845, yrel -769, posx 1279, posy 0
11mouse motion: xrel 1639, yrel -1025, posx 1279, posy 0
12mouse motion: xrel 1230, yrel -1025, posx 1279, posy 0
13mouse motion: xrel 1025, yrel -1281, posx 1279, posy 0
14mouse motion: xrel 820, yrel -1025, posx 1279, posy 0
15mouse motion: xrel 614, yrel -1281, posx 1279, posy 0
16mouse motion: xrel 52, yrel -320, posx 1279, posy 0
17mouse motion: xrel 51, yrel -257, posx 1279, posy 0

(the above debug output is based on the exe you compiled for me)

anything else i can do to help truck this bug to its source?

--
sehh

Reply 17 of 23, by wd

Posted on 2006-08-27, 14:24

wd Offline

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All mouse information seems to be wrong (at least odd) when in fullscreen.

Maybe try to change the sdl video driver:
set SDL_VIDEODRIVER=windib
set SDL_VIDEODRIVER=directx

Or add the SDL_VIDEODRIVER=windib/directx to the environment variables
(if that's available for your OS).

The directx interface is the default, unless it can't set the video mode
for some odd reason.

Reply 18 of 23, by sehh

Posted on 2006-08-27, 15:12

sehh Offline

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below is the result from running with non-default video driver: set SDL_VIDEODRIVER=windib

fullscreen returns the following (again, mouse is jumpy):

1mouse motion: xrel 68, yrel -481, posx 1279, posy 0
2mouse motion: xrel -12, yrel -497, posx 1267, posy 0
3mouse motion: xrel -88, yrel -497, posx 1179, posy 0
4mouse motion: xrel -180, yrel -493, posx 999, posy 0
5mouse motion: xrel -256, yrel -473, posx 743, posy 0
6mouse motion: xrel -328, yrel -449, posx 415, posy 0
7mouse motion: xrel -400, yrel -417, posx 15, posy 0
8mouse motion: xrel -464, yrel -377, posx 0, posy 0
9mouse motion: xrel -516, yrel -337, posx 0, posy 0
10mouse motion: xrel -576, yrel -273, posx 0, posy 0
11mouse motion: xrel -612, yrel -217, posx 0, posy 0
12mouse motion: xrel -640, yrel -153, posx 0, posy 0
13mouse motion: xrel -640, yrel -93, posx 0, posy 0
14mouse motion: xrel -640, yrel -33, posx 0, posy 0
15mouse motion: xrel -640, yrel 23, posx 0, posy 23
16mouse motion: xrel -632, yrel 83, posx 0, posy 106
17mouse motion: xrel -616, yrel 135, posx 0, posy 241
18mouse motion: xrel -588, yrel 191, posx 0, posy 432
19mouse motion: xrel -556, yrel 251, posx 0, posy 683
20mouse motion: xrel -516, yrel 307, posx 0, posy 990
21mouse motion: xrel -480, yrel 359, posx 0, posy 1023
22mouse motion: xrel -436, yrel 403, posx 0, posy 1023
23mouse motion: xrel -384, yrel 447, posx 0, posy 1023
24mouse motion: xrel -340, yrel 475, posx 0, posy 1023
25mouse motion: xrel -288, yrel 499, posx 0, posy 1023
26mouse motion: xrel -240, yrel 511, posx 0, posy 1023
27mouse motion: xrel -184, yrel 511, posx 0, posy 1023
28mouse motion: xrel -128, yrel 511, posx 0, posy 1023
29mouse motion: xrel -76, yrel 511, posx 0, posy 1023
30mouse motion: xrel -16, yrel 511, posx 0, posy 1023

--
sehh

Reply 19 of 23, by wd

Posted on 2006-08-27, 15:18

wd Offline

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Please try it with =directx as well (as in some cases dosbox will fall back
to windib by default).
Do the output= settings make any difference? Or changing fullresolution=
to various values?

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mouse is jumpy

Topic actions

First post, by sehh

Reply 1 of 23, by sehh

Reply 2 of 23, by wd

Reply 3 of 23, by sehh

Reply 4 of 23, by sehh

Reply 5 of 23, by h-a-l-9000

Reply 6 of 23, by sehh

Reply 7 of 23, by sehh

Reply 8 of 23, by wd

Reply 9 of 23, by sehh

Reply 10 of 23, by wd

Reply 11 of 23, by sehh

Reply 12 of 23, by DosFreak

Reply 13 of 23, by sehh

Reply 14 of 23, by wd

Reply 15 of 23, by sehh

Reply 16 of 23, by sehh

Reply 17 of 23, by wd

Reply 18 of 23, by sehh

Reply 19 of 23, by wd