https://bugs.kde.org/show_bug.cgi?id=486765
Bug ID: 486765
Summary: Missing icons for GtkMenuButton's direction arrow
Classification: Plasma
Product: Breeze
Version: 6.0.2
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: gtk theme
Assignee: plasma-b...@kde.org
Reporter: benjamin.henn...@wanadoo.fr
CC: agrine...@gmail.com, uhh...@gmail.com
Target Milestone: ---
Created attachment 169292
--> https://bugs.kde.org/attachment.cgi?id=169292&action=edit
Simple UI file with 5 menu buttons
SUMMARY
GtkMenuButton's arrows are not shown at all.
>From https://docs.gtk.org/gtk4/class.MenuButton.html#css-nodes
> Inside the toggle button content, there is an arrow node for the indicator,
> which will carry one of the .none, .up, .down, > .left or .right style
> classes to indicate the direction that the menu will appear in. The CSS is
> expected to provide a
> suitable image for each of these cases using the -gtk-icon-source property.
Something like the following should be added to gtk4's css file:
```
menubutton arrow.none { -gtk-icon-source: -gtk-icontheme("open-menu-symbolic");
}
menubutton arrow.down { -gtk-icon-source: -gtk-icontheme("pan-down-symbolic");
}
menubutton arrow.up { -gtk-icon-source: -gtk-icontheme("pan-up-symbolic"); }
menubutton arrow.left { -gtk-icon-source: -gtk-icontheme("pan-start-symbolic");
}
menubutton arrow.right { -gtk-icon-source: -gtk-icontheme("pan-end-symbolic");
}
```
STEPS TO REPRODUCE
1. Download the test.ui file attached. It contains a GtkWindow and 5
GtkMenuButtons, one in each direction.
2. Run `gtk4-builder-tool preview test.ui` with gtk theme set to Breeze in KCM.
3. See empty buttons
OBSERVED RESULT
Empty buttons
EXPECTED RESULT
Directional indicators in the buttons
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