add opening files

new.txt

@@ -0,0 +1 @@
+content

src/main.py

@@ -44,7 +44,7 @@ class Berry(App):
             Binding(self.bind_keys['open'], "open_file", "Open file"),
             Binding(self.bind_keys['open-folder'], "open_folder", "Open directory"),
             Binding(self.bind_keys['save'], "save", "Save"),
-            Binding(self.bind_keys['save-as'], "save_as", "Save as..."),
+            Binding(self.bind_keys['save-as'], "save_as", "Save as...", priority=True),
             Binding(self.bind_keys['home'], "home", "Home"),
             Binding(self.bind_keys['find'], "find", "Find and replace")
         )
@@ -67,6 +67,12 @@ class Berry(App):
     async def action_save(self):
         await self.file_tabs.save()
         
+    async def action_save_as(self):
+        await self.file_tabs.save_as()
+        
+    async def action_open_file(self):
+        await self.file_tabs.open_file_dialog()
+        
     async def action_new(self):
         await self.file_tabs.new_file()
         

src/widgets/file_tabs.py

@@ -88,7 +88,7 @@ class FileTabs(TabbedContent):
                     await self.remove_pane(self.active)
                 
                 for tab in self.query(TabPane):
-                    if isinstance(self.active_pane, HomeTab):
+                    if isinstance(tab, HomeTab):
                         continue
                     
                     if tab.path == new_path:
@@ -154,6 +154,14 @@ class FileTabs(TabbedContent):
             
         file_tab.saved = True
     
+    async def open_file_dialog(self):
+        async def callback(path: str | None):
+            if path == None:
+                return
+            await self.open_file(path)
+            
+        await self.app.push_screen(FileOpen(), callback=callback)
+    
     async def open_home(self) -> None:
         await self.add_pane(HomeTab())