macos mouse sensitivity

Software RawTherapee
1

Hi. In my macos (RT 5.10 on M1 system), the mouse scroll operations seem very sensitive.
If I use scroll for the sliders, the values change rapidly and not easy to make small adjustments. Also, in the edit window, clicking and dragging makes the image move at a different speed than the mouse speed. In other words, the mouse pointer lags behind the moved object (in the image). Is there any configuration/mouse setting to fix this?

2

For the edit preview panning, you can change the pan rate amplification in preferences.
https://rawpedia.rawtherapee.com/Preferences#Pan_Rate_Amplification

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3

Great. Setting the value to 0 helped me to control the image scrolling. It was at value 10 (was it the default).
Thanks a lot for your help

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4

@Lawrence37 @nilangiriyar I found out the default is actually 5 and it’s set as default in rtgui/options.cc. The low value is 1, and I find anything other than 1 to be unusable, so this patch gives 1 as the default mac starting value for this option. I wonder if 5 is a reasonable starting value still for linux and windows?

diff --git a/rtgui/options.cc b/rtgui/options.cc
index bdc595f5c..97a48316c 100644
--- a/rtgui/options.cc
+++ b/rtgui/options.cc
@@ -360,7 +360,11 @@ void Options::setDefaults()
     CPFontSize = 8;
     lastScale = 5;
     lastShowAllExif = false;
+#ifdef __APPLE__
+    panAccelFactor = 1;
+#else
     panAccelFactor = 5;
+#endif
     rememberZoomAndPan = true;
     lastCropSize = 1;
     fbOnlyRaw = false;
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