Ders 3

shell.nix

@@ -10,7 +10,12 @@ in pkgs.mkShell {
     pkgs.gobject-introspection
     pkgs.pkg-config
     pkgs.libnotify
-    # pkgs.libadwaita
+    pkgs.libadwaita
+   # pkgs.xdg-desktop-portal-shana
+   # pkgs.xdg-desktop-portal
+   # pkgs.xdg-desktop-portal-gtk
+   # pkgs.xdg-desktop-portal-gnome
+   # pkgs.gtk3
     (pkgs.python3.withPackages (python-pkgs: [
       # select Python packages here
       # python-pkgs.gi

src/FileOperations.py

@@ -0,0 +1,39 @@
+import gi, sys
+gi.require_version('Gtk', '4.0')
+from gi.repository import GLib, Gio
+
+def get_name(file):
+    info = file.query_info("standard::display-name", Gio.FileQueryInfoFlags.NONE)
+    if info:
+        return info.get_attribute_string("standard::display-name")
+    else:
+        return file.get_basename()
+
+def read_file(file, on_finish_callback):
+    file.load_contents_async(None, _read_file_finish, on_finish_callback)
+
+def _read_file_finish(file, result, on_finish_callback):
+    contents = file.load_contents_finish(result)
+
+    if not contents[0]:
+        path = file.peek_path()
+        on_finish_callback(file, "", f"Unable to open {path}: {contents[1]}")
+        return;
+
+    try:
+        on_finish_callback(file, contents[1].decode('utf-8'), "")
+
+    except UnicodeError as err:
+        path = file.peek_path()
+        on_finish_callback(file, "", f"Unable to load the contents of {path}: the file is not encoded with UTF-8")
+
+
+def save_file(file, text, on_finish_callback):
+    file.replace_contents_async(str.encode(text), None, False, Gio.FileCreateFlags.NONE, None, _save_file_finish, on_finish_callback)
+
+def _save_file_finish(file, result, on_finish_callback):
+    (success, new_etag) = file.replace_contents_finish(result)
+
+    on_finish_callback(file, success, new_etag)
+
+

src/MainWindow.py

@@ -2,10 +2,14 @@ import gi, sys
 gi.require_version('Gtk', '4.0')
 from gi.repository import Gtk, Gio
 
+import FileOperations
+
 class MainWindow(Gtk.ApplicationWindow):
     def __init__(self, app):
         super().__init__(application=app)
 
+        self.setup_variables()
+
         self.setup_actions()
 
         self.setup_window()
@@ -15,18 +19,58 @@ class MainWindow(Gtk.ApplicationWindow):
         self.setup_ui()
 
     # == SETUPS ==
+    def setup_variables(self):
+        self._current_working_file = None
+
+
     def setup_actions(self):
-        pass
+        new_action = Gio.SimpleAction(name="new")
+        new_action.connect("activate", self.on_action_win_new_activated)
+        self.add_action(new_action)
+
+        open_action = Gio.SimpleAction(name="open")
+        open_action.connect("activate", self.on_action_win_open_activated)
+        self.add_action(open_action)
+
+        save_action = Gio.SimpleAction(name="save")
+        save_action.connect("activate"  , self.on_action_win_save_activated)
+        self.add_action(save_action)
+
+        save_as_action = Gio.SimpleAction(name="save-as")
+        save_as_action.connect("activate", self.on_action_win_save_as_activated)
+        self.add_action(save_as_action)
+
+
 
     def setup_window(self):
         self.set_default_size(600, 400)
         self.set_title("Metin Editörü")
 
     def setup_headerbar(self):
-        btn_new = Gtk.Button(label="New", icon_name="document-new-symbolic", tooltip_text="Yeni Doküman")
-        btn_open = Gtk.Button(label="Open", icon_name="document-open-symbolic", tooltip_text="Dosya Aç")
-        btn_save = Gtk.Button(label="Save", icon_name="document-save-symbolic", tooltip_text="Kaydet")
-        btn_save_as = Gtk.Button(label="Save As", icon_name="document-save-as-symbolic", tooltip_text="Farklı Kaydet")
+        btn_new = Gtk.Button(
+            label="New",
+            action_name="win.new",
+            icon_name="document-new-symbolic",
+            tooltip_text="Yeni Doküman"
+        )
+        btn_open = Gtk.Button(
+            label="Open",
+            action_name="win.open",
+            icon_name="document-open-symbolic",
+            tooltip_text="Dosya Aç"
+        )
+        btn_save = Gtk.Button(
+            label="Save",
+            action_name="win.save",
+            icon_name="document-save-symbolic",
+            tooltip_text="Kaydet"
+        )
+        btn_save_as = Gtk.Button(
+            label="Save As",
+            action_name="win.save-as",
+            icon_name="document-save-as-symbolic",
+            tooltip_text="Farklı Kaydet"
+        )
 
         box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
         box.append(btn_new)
@@ -37,7 +81,7 @@ class MainWindow(Gtk.ApplicationWindow):
         headerbar = Gtk.HeaderBar()
         headerbar.pack_start(box)
 
-        btn_preferences = Gtk.Button(label="Preferences", icon_name="preferences-system-symbolic", tooltip_text="Seçenekler")
+        btn_preferences = Gtk.Button(label="Preferences", icon_name="open-menu-symbolic", tooltip_text="Seçenekler")
         box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
         box.append(btn_preferences)
         headerbar.pack_end(box)
@@ -56,6 +100,88 @@ class MainWindow(Gtk.ApplicationWindow):
         self.set_child(scrolled_window)
 
     # == FUNCTIONS ==
+    def get_textview_text(self):
+        buffer = self.text_view.get_buffer()
+
+        start = buffer.get_start_iter()
+
+        end = buffer.get_end_iter()
+        return buffer.get_text(start, end, False)
+
+    def set_textview_text(self, text):
+        buffer = self.text_view.get_buffer()
+
+        buffer.set_text(text)
+
+        start = buffer.get_start_iter()
+        buffer.place_cursor(start)
+
+
     # == CALLBACKS ==
-    def on_btn_button_clicked(self, btn):
-        print("Merhaba, evet bu bir buton")
+    def on_action_win_new_activated(self, action, params):
+        self.set_textview_text("")
+        self.set_title("New File")
+        self._current_working_file = None
+
+    def on_action_win_open_activated(self, action, params):
+        self._open_file_chooser = Gtk.FileChooserNative (
+            title="Open File",
+            transient_for=self,
+            action=Gtk.FileChooserAction.OPEN,
+            accept_label="_Open",
+            cancel_label="_Cancel"
+        )
+
+        self._open_file_chooser.connect("response", self.on_open_dialog_response)
+        self._open_file_chooser.show()
+
+    def on_open_dialog_response(self, dialog, response):
+        if response == Gtk.ResponseType.ACCEPT:
+            FileOperations.read_file(dialog.get_file(), self.on_file_read)
+
+        self._open_file_chooser = None
+
+    def on_file_read(self, file, content, err):
+        if err:
+            print(f"Error: {err}")
+            return
+        self.set_textview_text(content)
+
+        filename = FileOperations.get_name(file)
+        self.set_title(filename)
+        self._current_working_file = file
+
+    def on_action_win_save_activated(self, action, params):
+        if self._current_working_file:
+            text = self.get_textview_text()
+            FileOperations.save_file(self._current_working_file, text, self.on_file_saved)
+        else:
+            self.activate_action("win.save-as")
+
+    def on_action_win_save_as_activated(self, action, params):
+        self._save_file_chooser = Gtk.FileChooserNative (
+            title="Save File",
+            transient_for=self,
+            action=Gtk.FileChooserAction.SAVE,
+            accept_label="_Save",
+            cancel_label="_Cancel"
+        )
+
+        self._save_file_chooser.connect("response", self.on_save_dialog_response)
+        self._save_file_chooser.show()
+
+    def on_save_dialog_response(self, dialog, response):
+        if response == Gtk.ResponseType.ACCEPT:
+            text = self.get_textview_text()
+
+            FileOperations.save_file(dialog.get_file(), text, self.on_file_saved)
+
+        self._save_file_chooser = None
+
+    def on_file_saved(self, file, success, new_etag):
+        if success:
+            filename = FileOperations.get_name(file)
+            self.set_title(filename)
+            self._current_working_file = file
+
+

src/main.py

@@ -17,6 +17,7 @@ def on_activate(app):
 app = Gtk.Application(application_id='com.asandikci.gtk4py')
 app.connect('activate', on_activate)
 
+app.set_accels_for_action('win.new', ['<Ctrl>t'])
 app.set_accels_for_action('win.open', ['<Ctrl>o'])
 app.set_accels_for_action('win.save', ['<Ctrl>s'])
 app.set_accels_for_action('win.save-as', ['<Ctrl><Shift>s'])