https://bugs.kde.org/show_bug.cgi?id=504180
Bug ID: 504180
Summary: Dolphin crashes when opening a New Tab
Classification: Applications
Product: dolphin
Version: 25.04.1
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: general
Assignee: dolphin-bugs-n...@kde.org
Reporter: spart...@gmail.com
CC: kfm-de...@kde.org
Target Milestone: ---
Created attachment 181261
--> https://bugs.kde.org/attachment.cgi?id=181261&action=edit
The stack-trace
STEPS TO REPRODUCE
1. Open a New Tab with any of the methods (shortcut, menu, etc).
2. That's it.
OBSERVED RESULT
Dolphin Crashes
EXPECTED RESULT
Opened a New Tab
SOFTWARE/OS VERSIONS
Dolphin: 25.04.1
KDE Plasma Version: 6.3.5
KDE Frameworks Version: 6.13.0
Qt Version: 6.9.0
ADDITIONAL INFORMATION
Crash I a `nullptr` exception, fix is trivial (I applied a local patch and just
checking for `m_view` not being a `nullptr` in
`DolphinViewContainer::showMessage` it's enough. Sorry for not collaborating
directly but I know nothing about KDE/Plasma development.
Tentative patch:
```
diff --git a/src/dolphinviewcontainer.cpp b/src/dolphinviewcontainer.cpp
index ee4bb6e4c..9ea049c04 100644
--- a/src/dolphinviewcontainer.cpp
+++ b/src/dolphinviewcontainer.cpp
@@ -514,7 +514,7 @@ void DolphinViewContainer::showMessage(const QString
&message, KMessageWidget::M
m_messageWidget->animatedShow();
#ifndef QT_NO_ACCESSIBILITY
- if (QAccessible::isActive() && isActive()) {
+ if (QAccessible::isActive() && m_view != nullptr && isActive()) {
// To announce the new message keyboard focus must be moved to the
message label. However, we do not have direct access to the label that is
internal
// to the KMessageWidget. Instead we setFocus() on the KMessageWidget
and trust that it has set correct focus handling.
m_messageWidget->setFocus();
```
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