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Posted to notifications@netbeans.apache.org by "trixon (via GitHub)" <gi...@apache.org> on 2024/01/25 05:26:40 UTC
[I] Diff window scroll bug on linux [netbeans]
trixon opened a new issue, #6995:
URL: https://github.com/apache/netbeans/issues/6995
### Apache NetBeans version
Apache NetBeans 20
### What happened
When I place the mouse on any of the line number columns in the Diff window and swipe two fingers up/down to scroll the lines, only the line number part scrolls, not the lines themselves.
I can reproduce this with NB20 & NB21-rc1 on different linux systems with X and Wayland,
on windows it works as expected.
Screenshot with scrolled numbers in a file without major changes..
### Language / Project Type / NetBeans Component
_No response_
### How to reproduce
Place the mouse on any of the line number columns in the Diff window and swipe two fingers up/down to scroll the lines.
### Did this work correctly in an earlier version?
No / Don't know
### Operating System
Linux
### JDK
21.0.1; OpenJDK 64-Bit Server VM 21.0.1+12-LTS; Azul Systems, Inc.
### Apache NetBeans packaging
Apache NetBeans Snap Package
### Anything else
_No response_
### Are you willing to submit a pull request?
No
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Re: [I] Diff window scroll bug on linux [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #6995:
URL: https://github.com/apache/netbeans/issues/6995#issuecomment-1913262684
also reproducible on windows.
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Re: [I] Diff window scroll bug [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #6995:
URL: https://github.com/apache/netbeans/issues/6995#issuecomment-1913329359
so, this might be a jdk bug.
```diff
diff --git a/ide/diff/src/org/netbeans/modules/diff/builtin/visualizer/editable/DiffContentPanel.java b/ide/diff/src/org/netbeans/modules/diff/builtin/visualizer/editable/DiffContentPanel.java
index d693f77..4b78741 100644
--- a/ide/diff/src/org/netbeans/modules/diff/builtin/visualizer/editable/DiffContentPanel.java
+++ b/ide/diff/src/org/netbeans/modules/diff/builtin/visualizer/editable/DiffContentPanel.java
@@ -67,7 +67,7 @@
add(scrollPane);
linesActions = new LineNumbersActionsBar(this, master.isActionsEnabled());
+ linesActions.addMouseWheelListener(e -> {});
actionsScrollPane = new JScrollPane(linesActions);
actionsScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
```
this did already stop the line numbers component from scrolling - which is unusual. I originally planned on adding `e.consume()` as quick fix, but the empty listener was enough.
please take a look at the dev build of https://github.com/apache/netbeans/pull/7009, it delegates the mouse events to the editor.
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Re: [I] Diff window scroll bug [netbeans]
Posted by "neilcsmith-net (via GitHub)" <gi...@apache.org>.
neilcsmith-net closed issue #6995: Diff window scroll bug
URL: https://github.com/apache/netbeans/issues/6995
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