feat: native layer code

feat: login kinds (nsec)
feat: write chat messages

src/widgets/text_input.rs

@@ -0,0 +1,46 @@
+use crate::route::{RouteAction, RouteServices};
+use crate::theme::{MARGIN_DEFAULT, NEUTRAL_500, NEUTRAL_800, ROUNDING_DEFAULT};
+use crate::widgets::NostrWidget;
+use egui::{Frame, Response, TextEdit, Ui};
+
+/// Wrap the [TextEdit] widget to handle native keyboard
+pub struct NativeTextInput<'a> {
+    pub text: &'a mut String,
+    hint_text: Option<&'a str>,
+}
+
+impl<'a> NativeTextInput<'a> {
+    pub fn new(text: &'a mut String) -> Self {
+        Self {
+            text,
+            hint_text: None,
+        }
+    }
+
+    pub fn with_hint_text(mut self, hint_text: &'a str) -> Self {
+        self.hint_text = Some(hint_text);
+        self
+    }
+}
+
+impl<'a> NostrWidget for NativeTextInput<'a> {
+    fn render(&mut self, ui: &mut Ui, services: &mut RouteServices<'_>) -> Response {
+        let mut editor = TextEdit::singleline(self.text).frame(false);
+        if let Some(hint_text) = self.hint_text {
+            editor = editor.hint_text(egui::RichText::new(hint_text).color(NEUTRAL_500));
+        }
+        let response = Frame::none()
+            .inner_margin(MARGIN_DEFAULT)
+            .fill(NEUTRAL_800)
+            .rounding(ROUNDING_DEFAULT)
+            .show(ui, |ui| ui.add(editor))
+            .inner;
+        if response.lost_focus() {
+            services.action(RouteAction::HideKeyboard);
+        }
+        if response.gained_focus() {
+            services.action(RouteAction::ShowKeyboard);
+        }
+        response
+    }
+}