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Add CSS selector for expanded drawers #4977

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Add CSS selector for expanded drawers #4977

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66cb828
Add CSS selector for expanded drawers
Diax170 Apr 7, 2026
7feb23c
Update manpage to mention the .expanded CSS class
Diax170 Apr 7, 2026
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2 changes: 2 additions & 0 deletions man/waybar.5.scd.in
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Original file line number Diff line number Diff line change
Expand Up @@ -374,6 +374,8 @@ A group may hide all but one element, showing them only on mouse hover. In order
Defines the direction of the transition animation. If true, the hidden elements will slide from left to right. If false, they will slide from right to left.
When the bar is vertical, it reads as top-to-bottom.

Group drawers are also given the `.expanded` CSS class when they are expanded.

```
"group/power": {
"orientation": "inherit",
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2 changes: 2 additions & 0 deletions src/group.cpp
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Expand Up @@ -95,11 +95,13 @@ Group::Group(const std::string& name, const std::string& id, const Json::Value&
void Group::show_group() {
box.set_state_flags(Gtk::StateFlags::STATE_FLAG_PRELIGHT);
revealer.set_reveal_child(true);
box.get_style_context()->add_class("expanded");
}

void Group::hide_group() {
box.unset_state_flags(Gtk::StateFlags::STATE_FLAG_PRELIGHT);
revealer.set_reveal_child(false);
box.get_style_context()->remove_class("expanded");
}

bool Group::handleMouseEnter(GdkEventCrossing* const& e) {
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