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zoom with mouse wheel not symetric


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Reported several times. It's due to a difference in mouse wheel manufacture. They all send different values to the computer for one "click."

 

The Doctor: There was a goblin, or a trickster, or a warrior... A nameless, terrible thing, soaked in the blood of a billion galaxies. The most feared being in all the cosmos. And nothing could stop it, or hold it, or reason with it. One day it would just drop out of the sky and tear down your world.
Amy: But how did it end up in there?
The Doctor: You know fairy tales. A good wizard tricked it.
River Song: I hate good wizards in fairy tales; they always turn out to be him.

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Reported several times. It's due to a difference in mouse wheel manufacture. They all send different values to the computer for one "click."
Not true. The MouseWheel event reports descrete, evenly spaced notches, one event per notch. It is up to the application to decide what to do with each event. For example, MS Word changes the zoom factor by a nominal 10% (e.g. 150% becomes 160%) per event.
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Interesting...I have two different mice, and when I use one of them, I can get back to 100%, while the other can not...I thought that it had been examined a while back, and found out that that was the reason...

 

The Doctor: There was a goblin, or a trickster, or a warrior... A nameless, terrible thing, soaked in the blood of a billion galaxies. The most feared being in all the cosmos. And nothing could stop it, or hold it, or reason with it. One day it would just drop out of the sky and tear down your world.
Amy: But how did it end up in there?
The Doctor: You know fairy tales. A good wizard tricked it.
River Song: I hate good wizards in fairy tales; they always turn out to be him.

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