Super massive commit to port to Gtk 4

Fix issue #40 "Update GUI to GTK 4"

cambalache/app/cambalache.css

@@ -52,6 +52,11 @@ popover.cmb-tutor label {
   font-weight: bold;
 }
 
+popover.cmb-tutor image {
+  padding-right: 1em;
+  -gtk-icon-size: 48px;
+}
+
 button.cmb-tutor-highlight,
 modelbutton.cmb-tutor-highlight,
 buttonbox.cmb-tutor-highlight > button,

cambalache/app/cmb_tutor.py

@@ -141,10 +141,16 @@ class CmbTutor(GObject.GObject):
     def __popover_new(self, text):
         popover = Gtk.Popover(autohide=False)
         popover.add_css_class("cmb-tutor")
-        box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, spacing=6)
+        box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL, hexpand=True)
 
-        box.append(Gtk.Image(icon_name="dialog-information-symbolic", icon_size=Gtk.IconSize.LARGE))
+        box.append(Gtk.Image(icon_name="dialog-information-symbolic"))
-        box.append(Gtk.Label(label=text, wrap=True, max_width_chars=28))
+        box.append(Gtk.Label(
+            label=text,
+            vexpand=False,
+            hexpand=True,
+            wrap=True,
+            max_width_chars=24
+        ))
         popover.set_child(box)
 
         return popover

cambalache/app/cmb_tutorial.py

@@ -25,44 +25,44 @@ from .cmb_tutor import CmbTutorPosition
 from cambalache import _
 
 intro = [
-    # (_("Hi, I will show you around Cambalache"), "intro_button", 5),
+    (_("Hi, I will show you around Cambalache"), "intro_button", 5),
-    # (_("You can open a project"), "open_button", 3),
+    (_("You can open a project"), "open_button", 3),
-    # (
+    (
-    #     _("find recently used"),
+        _("find recently used"),
-    #     "recent_button",
+        "recent_button",
-    #     2,
+        2,
-    # ),
+    ),
-    # (_("or create a new one"), "new_button", 4),
+    (_("or create a new one"), "new_button", 4),
-    # (_("Common actions like Undo"), "undo_button", 4),
+    (_("Common actions like Undo"), "undo_button", 4),
-    # (_("Redo"), "redo_button", 2),
+    (_("Redo"), "redo_button", 2),
-    # (_("Add new UI file"), "add_button", 3),
+    (_("Add new UI file"), "add_button", 3),
-    # (_("and Save are directly accessible in the headerbar"), "cmb_save_button", 6),
+    (_("and Save are directly accessible in the headerbar"), "cmb_save_button", 6),
-    # (_("just like Save As"), "save_as_button", 2),
+    (_("just like Save As"), "save_as_button", 2),
-    # (_("and the main menu"), "menu_button", 3, "main-menu"),
+    (_("and the main menu"), "menu_button", 3, "menu_button"),
-    # (_("Create a project to continue"), "intro_button", 2, "add-project"),
+    (_("Create a project to continue"), "intro_button", 2, "add-project"),
-    # (_("Great!"), "intro_button", 2),
+    (_("Great!"), "intro_button", 2),
-    # (
+    (
-    #     _("This is the project workspace, where you can see and select the widgets to edit"),
+        _("This is the project workspace, where you can see and select the widgets to edit"),
-    #     "view",
+        "view",
-    #     6,
+        6,
-    #     None,
+        None,
-    #     CmbTutorPosition.CENTER,
+        CmbTutorPosition.CENTER,
-    # ),
+    ),
-    # (_("Project tree, with multiple UI support"), "tree_view", 4, None, CmbTutorPosition.CENTER),
+    (_("Project tree, with multiple UI support"), "tree_view", 4, None, CmbTutorPosition.CENTER),
-    # (
+    (
-    #     _("Class selector bar"),
+        _("Class selector bar"),
-    #     "type_chooser_box",
+        "type_chooser_box",
-    #     3,
+        3,
-    # ),
+    ),
-    # (_("And the object editor"), "editor_stack", 3, None, CmbTutorPosition.CENTER),
+    (_("And the object editor"), "editor_stack", 3, None, CmbTutorPosition.CENTER),
-    # (_("You can search all supported classes here"), "type_chooser_all", 4, "show-type-popover", CmbTutorPosition.LEFT),
+    (_("You can search all supported classes here"), "type_chooser_all", 4, "show-type-popover", CmbTutorPosition.LEFT),
-    # (_("or investigate what is in each group"), "type_chooser_gtk", 4, "show-type-popover-gtk", CmbTutorPosition.LEFT),
+    (_("or investigate what is in each group"), "type_chooser_gtk", 4, "show-type-popover-gtk", CmbTutorPosition.LEFT),
-    # (_("Now let's add a new UI file"), "add_button", 5, "add-ui"),
+    (_("Now let's add a new UI file"), "add_button", 5, "add-ui"),
-    # (_("Good, now try to create a window"), "intro_button", 4, "add-window"),
+    (_("Good, now try to create a window"), "intro_button", 4, "add-window"),
-    # (_("Excellent!"), "intro_button", 2),
+    (_("Excellent!"), "intro_button", 2),
-    # (_("BTW, did you know you can double click on any placeholder to create widgets?"), "intro_button", 5),
+    (_("BTW, did you know you can double click on any placeholder to create widgets?"), "intro_button", 5),
-    # (_("Try adding a grid"), "intro_button", 3, "add-grid"),
+    (_("Try adding a grid"), "intro_button", 3, "add-grid"),
-    # (_("and a button"), "intro_button", 3, "add-button"),
+    (_("and a button"), "intro_button", 3, "add-button"),
     (_("Quite easy! Isn't it?"), "intro_button", 3),
     (
         _("Once you finish, you can export all UI files to xml here"),

cambalache/app/cmb_window.py

@@ -49,6 +49,7 @@ class CmbWindow(Gtk.ApplicationWindow):
 
     headerbar = Gtk.Template.Child()
     subtitle = Gtk.Template.Child()
+    recent_menu = Gtk.Template.Child()
     undo_button = Gtk.Template.Child()
     redo_button = Gtk.Template.Child()
     stack = Gtk.Template.Child()
@@ -148,8 +149,12 @@ class CmbWindow(Gtk.ApplicationWindow):
 
         # Stateful actions
         for action, parameter_type, state in [
+           ("open_recent", "s", None),
            ("workspace_theme", "s", "")
         ]:
+            if state is None:
+                gaction = Gio.SimpleAction.new(action, GLib.VariantType.new(parameter_type))
+            else:
                 gaction = Gio.SimpleAction.new_stateful(
                     action,
                     GLib.VariantType.new(parameter_type),
@@ -256,6 +261,8 @@ class CmbWindow(Gtk.ApplicationWindow):
         )
 
         self.view.connect("notify::gtk-theme", self.__on_view_gtk_theme_notify)
+        self.connect("notify::focus-widget", self.__on_focus_widget_notify)
+        self.__update_recent_menu()
 
     def __on_view_gtk_theme_notify(self, obj, pspec):
         print("__on_view_gtk_theme_notify", obj.props.gtk_theme)
@@ -362,14 +369,6 @@ class CmbWindow(Gtk.ApplicationWindow):
         )
         popover.popup()
 
-    # FIXME: GTK4
-    #@Gtk.Template.Callback("on_open_recent_action_item_activated")
-    def __on_open_recent_action_item_activated(self, recent):
-        uri = recent.get_current_uri()
-        if uri is not None:
-            filename, host = GLib.filename_from_uri(uri)
-            self.emit("open-project", filename, None, None)
-
     @Gtk.Template.Callback("on_ui_editor_remove_ui")
     def __on_ui_editor_remove_ui(self, editor):
         self.__remove_object_with_confirmation(editor.object)
@@ -380,10 +379,10 @@ class CmbWindow(Gtk.ApplicationWindow):
         self.__remove_object_with_confirmation(editor.object)
         return True
 
-    # FIXME: GTK4
+    def __on_focus_widget_notify(self, obj, pspec):
-    #@Gtk.Template.Callback("on_window_set_focus")
+        widget = self.props.focus_widget
-    def __on_window_set_focus(self, window, widget):
+
-        types = [Gtk.Entry, Gtk.TextView, Gtk.SpinButton]
+        types = [Gtk.Text, Gtk.TextView]
         focused_widget_needs = True
 
         for type in types:
@@ -434,8 +433,10 @@ class CmbWindow(Gtk.ApplicationWindow):
         # If foreground luminance is closer to 1 then the background must be dark
         if luminance(fg) > 0.5:
             self.add_css_class("dark")
+            self.view._set_dark_mode(True)
         else:
             self.remove_css_class("dark")
+            self.view._set_dark_mode(False)
 
     def __np_name_to_ui(self, binding, value):
         if len(value):
@@ -1037,7 +1038,7 @@ class CmbWindow(Gtk.ApplicationWindow):
             self.project.connect("object-added", self.__on_object_added, "GtkGrid")
         elif node == "add-button":
             self.project.connect("object-added", self.__on_object_added, "GtkButton")
-        elif node == "main-menu":
+        elif node in ["menu_button", "main-menu"]:
             self.menu_button.popup()
         elif node == "show-type-popover":
             widget.props.popover.popup()
@@ -1056,7 +1057,7 @@ class CmbWindow(Gtk.ApplicationWindow):
         elif node in ["add-ui", "add-window", "add-grid", "add-button"]:
             self.tutor_waiting_for_user_action = True
             self.tutor.pause()
-        elif node == "donate":
+        elif node in ["menu_button", "donate"]:
             self.menu_button.popdown()
         elif node == "show-type-popover":
             widget.props.popover.popdown()
@@ -1097,6 +1098,29 @@ class CmbWindow(Gtk.ApplicationWindow):
     def _on_inspect_activate(self, action, data):
         self.view.inspect()
 
+    def _on_open_recent_activate(self, action, data):
+        self.emit("open-project", data.get_string(), None, None)
+
+    def __update_recent_menu(self):
+        manager = Gtk.RecentManager.get_default()
+
+        mime_types = [
+            "application/x-cambalache-project"
+        ]
+
+        for recent in manager.get_items():
+            if recent.get_mime_type() not in mime_types:
+                continue
+
+            filename, host = GLib.filename_from_uri(recent.get_uri())
+            if not os.path.exists(filename):
+                continue
+
+            item = Gio.MenuItem()
+            item.set_label(recent.get_display_name())
+            item.set_action_and_target_value("win.open_recent", GLib.Variant("s", filename))
+            self.recent_menu.append_item(item)
+
     def __load_window_state(self):
         state = self.window_settings.get_uint("state")
 

cambalache/app/cmb_window.ui

@@ -59,6 +59,7 @@
       </item>
     </section>
   </menu>
+  <menu id="recent_menu"/>
   <object class="GtkFileFilter" id="open_filter">
     <mime-types>
       <mime-type>application/x-cambalache-project</mime-type>
@@ -321,6 +322,7 @@
                         <property name="start-child">
                           <object class="GtkBox" id="inspector">
                             <property name="orientation">vertical</property>
+                            <property name="focusable">1</property>
                             <child>
                               <object class="GtkScrolledWindow">
                                 <property name="vexpand">1</property>
@@ -330,11 +332,9 @@
                                 <property name="propagate-natural-height">1</property>
                                 <child>
                                   <object class="CmbTreeView" id="tree_view">
+                                    <property name="focusable">1</property>
                                     <property name="headers-visible">False</property>
                                     <property name="headers-clickable">False</property>
-                                    <child internal-child="selection">
-                                      <object class="GtkTreeSelection"/>
-                                    </child>
                                   </object>
                                 </child>
                               </object>
@@ -434,11 +434,6 @@
                                         <property name="title" translatable="1">Signals</property>
                                         <property name="child">
                                           <object class="CmbSignalEditor" id="signal_editor">
-                                            <property name="margin-start">4</property>
-                                            <property name="margin-end">4</property>
-                                            <property name="margin-bottom">4</property>
-                                            <property name="orientation">vertical</property>
-                                            <property name="spacing">4</property>
                                           </object>
                                         </property>
                                       </object>
@@ -449,10 +444,6 @@
                                         <property name="title" translatable="0">&lt;/&gt;</property>
                                         <property name="child">
                                           <object class="CmbFragmentEditor" id="fragment_editor">
-                                            <property name="margin-start">4</property>
-                                            <property name="margin-end">4</property>
-                                            <property name="margin-bottom">4</property>
-                                            <property name="orientation">vertical</property>
                                           </object>
                                         </property>
                                       </object>
@@ -742,8 +733,7 @@
             </child>
             <child>
               <object class="GtkMenuButton" id="recent_button">
-                <property name="focusable">1</property>
+                <property name="menu-model">recent_menu</property>
-                <property name="receives-default">1</property>
                 <child>
                   <object class="GtkImage">
                     <property name="icon-name">pan-down-symbolic</property>
@@ -752,6 +742,7 @@
               </object>
             </child>
           </object>
+
         </child>
         <child>
           <object class="GtkButton" id="new_button">

cambalache/cmb_context_menu.py

@@ -34,9 +34,10 @@ class CmbContextMenu(Gtk.PopoverMenu):
     target_tk = GObject.Property(type=str, flags=GObject.ParamFlags.READWRITE)
 
     main_section = Gtk.Template.Child()
-    theme_submenu = Gtk.Template.Child()
 
     def __init__(self, **kwargs):
+        self.theme_submenu = None
+
         super().__init__(**kwargs)
 
         self.connect("notify::target-tk", lambda o, p: self.__populate_css_theme_box())
@@ -54,6 +55,9 @@ class CmbContextMenu(Gtk.PopoverMenu):
         else:
             themes = ["Adwaita", "HighContrast", "HighContrastInverse"]
 
+        if self.theme_submenu is None:
+            self.theme_submenu = Gio.Menu()
+            self.main_section.prepend_submenu(_("CSS theme"), self.theme_submenu)
 
         # Remove all items from theme submenu
         self.theme_submenu.remove_all()
@@ -88,3 +92,9 @@ class CmbContextMenu(Gtk.PopoverMenu):
             item.set_action_and_target_value("win.workspace_theme", GLib.Variant("s", theme))
             self.theme_submenu.append_item(item)
 
+    def popup_at(self, x, y):
+        r = Gdk.Rectangle()
+        r.x, r.y = (x, y)
+        r.width = r.height = 0
+        self.set_pointing_to(r)
+        self.popup()

cambalache/cmb_context_menu.ui

@@ -38,11 +38,7 @@
         <attribute name="label" translatable="1">Read Documentation</attribute>
       </item>
     </section>
-    <section id="main_section">
+    <section id="main_section"/>
-      <submenu id="theme_submenu">
-        <attribute name="label" translatable="1">CSS theme</attribute>
-      </submenu>
-    </section>
   </menu>
   <template class="CmbContextMenu" parent="GtkPopoverMenu">
     <property name="menu-model">menu_model</property>

cambalache/cmb_db.py

@@ -618,8 +618,8 @@ class CmbDB(GObject.GObject):
 
             return f"\t({r})"
 
-        def _dump_table(c, table):
+        def _dump_query(c, query):
-            c.execute(f"SELECT * FROM {table};")
+            c.execute(query)
             row = c.fetchone()
 
             if row is None:
@@ -635,20 +635,27 @@ class CmbDB(GObject.GObject):
 
             return f"\n{retval}\n  "
 
+        def append_data(project, name, data):
+            if data is None:
+                return
+
+            element = etree.Element(name)
+            element.text = data
+            project.append(element)
+
         self.conn.commit()
         c = self.conn.cursor()
 
         project = E("cambalache-project", version=config.FILE_FORMAT_VERSION, target_tk=self.target_tk)
 
         for table in self.__tables:
-            data = _dump_table(c, table)
+            data = _dump_query(c, f"SELECT * FROM {table};")
+            append_data(project, table, data)
 
-            if data is None:
+        # DUMP custom properties and signals
-                continue
+        for table in ["property", "signal"]:
-
+            data = _dump_query(c, f"SELECT {table}.* FROM {table},type WHERE {table}.owner_id == type.type_id AND type.library_id IS NULL;")
-            element = etree.Element(table)
+            append_data(project, table, data)
-            element.text = data
-            project.append(element)
 
         # Dump xml to file
         with open(filename, "wb") as fd:

cambalache/cmb_tree_view.py

@@ -40,7 +40,6 @@ class CmbTreeView(Gtk.TreeView):
         self.__in_selection_change = False
         self._selection.connect("changed", self.__on_selection_changed)
         self.set_headers_visible(False)
-        self.__right_click = False
 
         renderer = Gtk.CellRendererText()
         column = Gtk.TreeViewColumn("Object(Type)", renderer)
@@ -50,31 +49,14 @@ class CmbTreeView(Gtk.TreeView):
         self.connect("notify::model", self.__on_model_notify)
         self.connect("row-activated", self.__on_row_activated)
 
-        self.menu = CmbContextMenu()
+        gesture = Gtk.GestureClick(button=3)
-
+        gesture.connect("pressed", self.__on_button_press)
-        # FIXME: GTK4
+        self.add_controller(gesture)
-        #self.connect("button-press-event", self.__on_button_press_event)
-        #self.connect("button-release-event", self.__on_button_release_event)
 
         self.set_reorderable(True)
 
-    def __on_button_press_event(self, widget, event):
+    def __on_button_press(self, widget, npress, x, y):
-        if event.window != self.get_bin_window() or event.button != 3:
+        retval = self.get_path_at_pos(x, y)
-            return False
-
-        self.__right_click = True
-        return True
-
-    def __on_button_release_event(self, widget, event):
-        if event.window != self.get_bin_window() or event.button != 3:
-            return False
-
-        if not self.__right_click:
-            return False
-
-        self.__right_click = False
-
-        retval = self.get_path_at_pos(event.x, event.y)
 
         if retval is None:
             return False
@@ -82,7 +64,12 @@ class CmbTreeView(Gtk.TreeView):
         path, col, xx, yy = retval
         self.get_selection().select_path(path)
 
-        self.menu.popup_at(event.x, event.y)
+        menu = CmbContextMenu()
+
+        # Use parent instead of self to avoid warning and focus not working properly
+        # (run-dev.py:188589): Gtk-CRITICAL **: 16:45:12.790: gtk_css_node_insert_after: assertion 'previous_sibling == NULL || previous_sibling->parent == parent' failed
+        menu.set_parent(self.props.parent)
+        menu.popup_at(x, y)
 
         return True
 

cambalache/cmb_ui_editor.ui

@@ -75,7 +75,6 @@
         <property name="visible">True</property>
         <property name="can-focus">True</property>
         <property name="halign">start</property>
-        <property name="width-chars">16</property>
         <property name="placeholder-text" translatable="1">&lt;translation domain&gt;</property>
         <layout>
           <property name="column">1</property>

cambalache/cmb_view.py

@@ -131,6 +131,7 @@ class CmbView(Gtk.Box):
         self.__restart_project = None
         self.__ui_id = 0
         self.__theme = None
+        self.__dark = False
 
         self.menu = self.__create_context_menu()
 
@@ -147,10 +148,6 @@ class CmbView(Gtk.Box):
         self.__port = None
         self.__merengue_last_exit = None
 
-        # FIXME: GTK4
-        #context = self.get_style_context()
-        #context.connect("changed", lambda ctx: self.__update_webview_bg())
-
         if self.__broadwayd_bin is None:
             logger.warning("broadwayd not found, Gtk 3 workspace wont work.")
 
@@ -169,21 +166,15 @@ class CmbView(Gtk.Box):
     def __evaluate_js(self, script):
         self.webview.evaluate_javascript(script, -1, None, None, None, None, None, None)
 
-    def __update_webview_bg(self):
+    def _set_dark_mode(self, dark):
-        context = self.get_style_context()
+        self.__dark = dark
-
+        self.__evaluate_js(f"document.body.style.background = '{'#222' if dark else 'inherit'}';")
-        # FIXME: GTK4
-        # with warnings.catch_warnings():
-        #     warnings.filterwarnings("ignore", category=DeprecationWarning)
-        #     bg = context.get_background_color(Gtk.StateFlags.NORMAL)
-
-        # self.__evaluate_js(f"document.body.style.background = '{bg.to_string()}';")
 
     def __on_load_changed(self, webview, event):
         if event != WebKit.LoadEvent.FINISHED:
             return
 
-        self.__update_webview_bg()
+        self._set_dark_mode(self.__dark)
 
         # Disable alert() function used when broadwayd get disconnected
         # Monkey pat ch setupDocument() to avoid disabling document.oncontextmenu
@@ -463,11 +454,9 @@ window.setupDocument = function (document) {
         self.__theme = theme
         self.__merengue_command("gtk_settings_set", args={"property": "gtk-theme-name", "value": theme})
 
-    # FIXME: GTK4
     @Gtk.Template.Callback("on_context_menu")
     def __on_context_menu(self, webview, menu, hit_test_result):
-        self.menu.set_pointing_to(utils.get_pointing_to(self))
+        self.menu.popup_at(*utils.get_pointer(self))
-        self.menu.popup()
         return True
 
     def __webview_set_msg(self, msg):

cambalache/control/cmb_icon_name_entry.py

@@ -24,7 +24,7 @@
 import os
 
 from cambalache import _
-from gi.repository import GdkPixbuf, GObject, Gdk, Gtk, Pango
+from gi.repository import GLib, Gio, GdkPixbuf, GObject, Gdk, Gtk, Pango
 from .cmb_entry import CmbEntry
 from .icon_naming_spec import standard_icon_context, standard_icon_names
 
@@ -48,6 +48,8 @@ class CmbIconNameEntry(CmbEntry):
     # Model, store it in a Python class variable to share between all instances
     icon_model = None
 
+    iconlist = []
+
     def __init__(self, **kwargs):
         self._filters = {}
 
@@ -92,33 +94,55 @@ class CmbIconNameEntry(CmbEntry):
         iconlist = []
 
         theme = Gtk.IconTheme.get_for_display(Gdk.Display.get_default())
-        # FIXME: GTK4
-        # print(theme.get_icon_names())
 
-        # for context in theme.list_contexts():
+        # FIXME: get the context/category of each icon
-        #     for icon in theme.list_icons(context):
+        for icon in theme.get_icon_names():
-        #         iconlist.append((icon, context, icon in standard_icon_names))
+            iconlist.append((icon, "cmb_all", icon in standard_icon_names))
 
-        # for icon, context, standard in sorted(iconlist, key=lambda i: i[0].lower()):
+        for icon, context, standard in sorted(iconlist, key=lambda i: i[0].lower()):
-        #     if icon.endswith(".symbolic"):
+            if icon.endswith(".symbolic"):
-        #         continue
+                continue
 
-        #     info = theme.lookup_icon(icon, 32, Gtk.IconLookupFlags.FORCE_SIZE)
+            icon_paintable = theme.lookup_icon(icon, None, 32, 1, Gtk.TextDirection.NONE, Gtk.IconLookupFlags.PRELOAD)
-        #     symbolic = info.is_symbolic()
+            symbolic = icon_paintable.is_symbolic()
 
-        #     if not os.path.exists(info.get_filename()):
+            icon_file = icon_paintable.get_file()
-        #         continue
+            if icon_file is None:
+                continue
 
-        #     standard_symbolic = symbolic and icon.removesuffix("-symbolic") in standard_icon_names
+            icon_path = icon_file.get_path()
+            if icon_path is None or not os.path.exists(icon_path):
+                continue
 
-        #     iter = cls.icon_model.append(
+            standard_symbolic = symbolic and icon.removesuffix("-symbolic") in standard_icon_names
-        #         [icon, icon if standard else f"<i>{icon}</i>", context, standard, symbolic, standard_symbolic, None]
+
-        #     )
+            try:
-        #     info.load_icon_async(None, cls.__load_icon_finish, iter)
+                iter = cls.icon_model.append(
+                    [icon, icon if standard else f"<i>{icon}</i>", context, standard, symbolic, standard_symbolic, None]
+                )
+                cls.iconlist.append((icon_file, iter))
+            except Exception as e:
+                print(e)
+
+        # Kickoff async loading
+        file, iter = cls.iconlist.pop()
+        file.read_async(GLib.PRIORITY_DEFAULT, None, cls.__load_file_finish, iter)
 
     @classmethod
-    def __load_icon_finish(cls, info, res, data):
+    def __load_file_finish(cls, obj, res, iter):
-        cls.icon_model[data][6] = info.load_icon_finish(res)
+        stream = obj.read_finish(res)
+        GdkPixbuf.Pixbuf.new_from_stream_at_scale_async(stream, 32, 32, True, None, cls.__load_icon_finish, iter)
+
+    @classmethod
+    def __load_icon_finish(cls, obj, res, iter):
+        try:
+            cls.icon_model[iter][cls.COL_PIXBUF] = GdkPixbuf.Pixbuf.new_from_stream_finish(res)
+        except Exception as e:
+            print(e)
+
+        if len(cls.iconlist):
+            file, iter = cls.iconlist.pop()
+            file.read_async(GLib.PRIORITY_DEFAULT, None, cls.__load_file_finish, iter)
 
     def __model_filter_func(self, model, iter, data):
         if self.standard_only and self.symbolic_only:
@@ -151,6 +175,8 @@ class CmbIconNameEntry(CmbEntry):
     def __on_icon_pressed(self, widget, icon_pos):
         # Create popover with icon chooser
         popover = Gtk.Popover()
+        popover.set_parent(self)
+
         hbox = Gtk.Box(visible=True)
         vbox = Gtk.Box(visible=True, orientation=Gtk.Orientation.VERTICAL, vexpand=True)
         stack = Gtk.Stack(visible=True, transition_type=Gtk.StackTransitionType.CROSSFADE)
@@ -159,9 +185,10 @@ class CmbIconNameEntry(CmbEntry):
         hbox.append(vbox)
         hbox.append(stack)
 
-        theme = Gtk.IconTheme.get_default()
+        theme = Gtk.IconTheme.get_for_display(Gdk.Display.get_default())
 
-        sorted_contexts = sorted(theme.list_contexts())
+        # sorted_contexts = sorted(theme.list_contexts())
+        sorted_contexts = []
         sorted_contexts.insert(0, "cmb_all")
 
         # Add one icon view per context

cambalache/control/cmb_toplevel_chooser.py

@@ -39,9 +39,8 @@ class CmbToplevelChooser(Gtk.ComboBox):
         self.connect("changed", self.__on_changed)
 
         renderer = Gtk.CellRendererText()
-        # FIXME: GTK4
+        self.pack_start(renderer, True)
-        #self.pack_start(renderer, True)
+        self.set_cell_data_func(renderer, self.__name_cell_data_func, None)
-        #self.set_cell_data_func(renderer, self.__name_cell_data_func, None)
 
     def __name_cell_data_func(self, column, cell, model, iter_, data):
         obj = model.get_value(iter_, 0)

cambalache/control/cmb_translatable_widget.ui

@@ -1,13 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.38.2 -->
 <interface>
-  <requires lib="gtk+" version="3.24"/>
+  <requires lib="gtk" version="4.0"/>
   <object class="GtkTextBuffer" id="buffer_comments"/>
   <object class="GtkTextBuffer" id="buffer_context"/>
   <object class="GtkTextBuffer" id="buffer_text"/>
   <template class="CmbTranslatableWidget" parent="GtkBox">
-    <property name="visible">True</property>
-    <property name="can-focus">False</property>
     <property name="margin-start">4</property>
     <property name="margin-end">4</property>
     <property name="margin-top">4</property>
@@ -16,126 +13,70 @@
     <property name="spacing">4</property>
     <child>
       <object class="GtkLabel">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
         <property name="halign">start</property>
-        <property name="label" translatable="yes">Text:</property>
+        <property name="label" translatable="1">Text:</property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">0</property>
-      </packing>
     </child>
     <child>
       <object class="GtkScrolledWindow">
         <property name="width-request">300</property>
         <property name="height-request">60</property>
-        <property name="visible">True</property>
+        <property name="focusable">1</property>
-        <property name="can-focus">True</property>
+        <property name="child">
-        <property name="shadow-type">in</property>
-        <child>
           <object class="GtkTextView" id="text_view_value">
-            <property name="visible">True</property>
+            <property name="focusable">1</property>
-            <property name="can-focus">True</property>
-            <property name="border-width">2</property>
             <property name="buffer">buffer_text</property>
-            <property name="accepts-tab">False</property>
+            <property name="accepts-tab">0</property>
           </object>
-        </child>
+        </property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">1</property>
-      </packing>
     </child>
     <child>
       <object class="GtkCheckButton" id="check_button_translatable">
-        <property name="label" translatable="yes">translatable</property>
+        <property name="label" translatable="1">translatable</property>
-        <property name="visible">True</property>
+        <property name="focusable">1</property>
-        <property name="can-focus">True</property>
-        <property name="receives-default">False</property>
         <property name="halign">start</property>
-        <property name="draw-indicator">True</property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">2</property>
-      </packing>
     </child>
     <child>
       <object class="GtkLabel">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
         <property name="halign">start</property>
         <property name="margin-top">8</property>
-        <property name="label" translatable="yes">Translation context:</property>
+        <property name="label" translatable="1">Translation context:</property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">3</property>
-      </packing>
     </child>
     <child>
       <object class="GtkScrolledWindow">
         <property name="height-request">60</property>
-        <property name="visible">True</property>
+        <property name="focusable">1</property>
-        <property name="can-focus">True</property>
+        <property name="child">
-        <property name="shadow-type">in</property>
-        <child>
           <object class="GtkTextView" id="text_view_context">
-            <property name="visible">True</property>
+            <property name="focusable">1</property>
-            <property name="can-focus">True</property>
-            <property name="border-width">2</property>
             <property name="buffer">buffer_context</property>
-            <property name="accepts-tab">False</property>
+            <property name="accepts-tab">0</property>
           </object>
-        </child>
+        </property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">4</property>
-      </packing>
     </child>
     <child>
       <object class="GtkLabel">
-        <property name="visible">True</property>
-        <property name="can-focus">False</property>
         <property name="halign">start</property>
         <property name="margin-top">8</property>
-        <property name="label" translatable="yes">Comments for translators:</property>
+        <property name="label" translatable="1">Comments for translators:</property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">5</property>
-      </packing>
     </child>
     <child>
       <object class="GtkScrolledWindow">
         <property name="height-request">60</property>
-        <property name="visible">True</property>
+        <property name="focusable">1</property>
-        <property name="can-focus">True</property>
+        <property name="child">
-        <property name="shadow-type">in</property>
-        <child>
           <object class="GtkTextView" id="text_view_comments">
-            <property name="visible">True</property>
+            <property name="focusable">1</property>
-            <property name="can-focus">True</property>
-            <property name="border-width">2</property>
             <property name="buffer">buffer_comments</property>
-            <property name="accepts-tab">False</property>
+            <property name="accepts-tab">0</property>
           </object>
-        </child>
+        </property>
       </object>
-      <packing>
-        <property name="expand">False</property>
-        <property name="fill">True</property>
-        <property name="position">7</property>
-      </packing>
     </child>
   </template>
 </interface>

meson.build

@@ -6,7 +6,7 @@ project(
 
 # File format version follows app version and only changes when there is a
 # change that prevents older versions to load it.
-fileformatversion = '0.13.1'
+fileformatversion = '0.17.0'
 
 python = import('python')
 python_bin = python.find_installation('python3')