init notebook

Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck_chrome/src/chrome.rs

@@ -12,6 +12,7 @@ use notedeck_columns::{
     column::SelectionResult, timeline::kind::ListKind, timeline::TimelineKind, Damus,
 };
 use notedeck_dave::{Dave, DaveAvatar};
+use notedeck_notebook::Notebook;
 use notedeck_ui::{app_images, AnimationHelper, ProfilePic};
 
 static ICON_WIDTH: f32 = 40.0;
@@ -199,6 +200,16 @@ impl Chrome {
         None
     }
 
+    fn get_notebook(&mut self) -> Option<&mut Notebook> {
+        for app in &mut self.apps {
+            if let NotedeckApp::Notebook(notebook) = app {
+                return Some(notebook);
+            }
+        }
+
+        None
+    }
+
     fn switch_to_dave(&mut self) {
         for (i, app) in self.apps.iter().enumerate() {
             if let NotedeckApp::Dave(_) = app {
@@ -207,6 +218,14 @@ impl Chrome {
         }
     }
 
+    fn switch_to_notebook(&mut self) {
+        for (i, app) in self.apps.iter().enumerate() {
+            if let NotedeckApp::Notebook(_) = app {
+                self.active = i as i32;
+            }
+        }
+    }
+
     fn switch_to_columns(&mut self) {
         for (i, app) in self.apps.iter().enumerate() {
             if let NotedeckApp::Columns(_) = app {
@@ -428,13 +447,11 @@ impl Chrome {
         ui.add(milestone_name(i18n));
         ui.add_space(16.0);
         //let dark_mode = ui.ctx().style().visuals.dark_mode;
+        if columns_button(ui)
+            .on_hover_cursor(egui::CursorIcon::PointingHand)
+            .clicked()
         {
-            if columns_button(ui)
-                .on_hover_cursor(egui::CursorIcon::PointingHand)
-                .clicked()
-            {
-                self.active = 0;
-            }
+            self.active = 0;
         }
         ui.add_space(32.0);
 
@@ -446,6 +463,16 @@ impl Chrome {
                 self.switch_to_dave();
             }
         }
+        //ui.add_space(32.0);
+
+        if let Some(_notebook) = self.get_notebook() {
+            if notebook_button(ui)
+                .on_hover_cursor(egui::CursorIcon::PointingHand)
+                .clicked()
+            {
+                self.switch_to_notebook();
+            }
+        }
     }
 }
 
@@ -583,6 +610,16 @@ fn accounts_button(ui: &mut egui::Ui) -> egui::Response {
     )
 }
 
+fn notebook_button(ui: &mut egui::Ui) -> egui::Response {
+    expanding_button(
+        "columns-button",
+        40.0,
+        app_images::new_message_image(),
+        app_images::new_message_image(),
+        ui,
+    )
+}
+
 fn dave_sidebar_rect(ui: &mut egui::Ui) -> Rect {
     let size = vec2(60.0, 60.0);
     let available = ui.available_rect_before_wrap();