refactor(custom): split into enum with separate file per widget

src/modules/custom/button.rs

@@ -0,0 +1,56 @@
+use super::{CustomWidget, CustomWidgetContext, ExecEvent};
+use crate::popup::Popup;
+use crate::try_send;
+use gtk::prelude::*;
+use gtk::{Button, Label};
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize, Clone)]
+pub struct ButtonWidget {
+    name: Option<String>,
+    class: Option<String>,
+    label: Option<String>,
+    on_click: Option<String>,
+}
+
+impl CustomWidget for ButtonWidget {
+    type Widget = Button;
+
+    fn into_widget(self, context: CustomWidgetContext) -> Self::Widget {
+        let mut builder = Button::builder();
+
+        if let Some(name) = self.name {
+            builder = builder.name(name);
+        }
+
+        let button = builder.build();
+
+        if let Some(text) = self.label {
+            let label = Label::new(None);
+            label.set_use_markup(true);
+            label.set_markup(&text);
+            button.add(&label);
+        }
+
+        if let Some(class) = self.class {
+            button.style_context().add_class(&class);
+        }
+
+        if let Some(exec) = self.on_click {
+            let bar_orientation = context.bar_orientation;
+            let tx = context.tx.clone();
+
+            button.connect_clicked(move |button| {
+                try_send!(
+                    tx,
+                    ExecEvent {
+                        cmd: exec.clone(),
+                        geometry: Popup::button_pos(button, bar_orientation),
+                    }
+                );
+            });
+        }
+
+        button
+    }
+}