Fixing vod thumbnailer; handling signal removal on tab close

src/solarfm/core/mixins/ui/tab_mixin.py

@@ -1,6 +1,5 @@
 # Python imports
 import os
-import gc
 import time
 
 # Lib imports
@@ -52,14 +51,6 @@ class TabMixin(GridMixin):
         event_system.emit("set_window_title", (tab.get_current_directory(),))
         self.set_file_watcher(tab)
 
-        tab_widget    = None
-        scroll, store = None, None
-        index         = None
-        notebook      = None
-        path_entry    = None
-        tab           = None
-        ctx           = None
-
 
     def get_tab_widget(self, tab):
         tab_widget     = self.create_tab_widget()
@@ -72,58 +63,35 @@ class TabMixin(GridMixin):
 
     def close_tab(self, button, eve = None):
         notebook = button.get_parent().get_parent()
-        if notebook.get_n_pages() == 1:
+        if notebook.get_n_pages() == 1: return
-            notebook = None
-            return
 
         tab_box   = button.get_parent()
         wid       = int(notebook.get_name()[-1])
         tid       = self.get_id_from_tab_box(tab_box)
         scroll    = self.builder.get_object(f"{wid}|{tid}", use_gtk = False)
         icon_grid = scroll.get_children()[0]
-        store     = icon_grid.get_store()
         tab       = self.get_fm_window(wid).get_tab_by_id(tid)
         watcher   = tab.get_dir_watcher()
 
         watcher.cancel()
         self.get_fm_window(wid).delete_tab_by_id(tid)
 
+        tab_box.unload_signals()
+        icon_grid.unload_signals()
+        icon_grid.set_model(None)
+
         self.builder.dereference_object(f"{wid}|{tid}|icon_grid")
         self.builder.dereference_object(f"{wid}|{tid}")
 
-        iter = store.get_iter_first()
+        notebook.remove_page( notebook.page_num(scroll) )
-        while iter:
-            next_iter = store.iter_next(iter)
-            store.unref_node(iter)
-            iter = next_iter
-
-        store.clear()
-        store.run_dispose()
-
-        icon_grid.set_model(None)
-        icon_grid.run_dispose()
-        scroll.run_dispose()
-        tab_box.run_dispose()
-
-        iter      = None
-        wid, tid  = None, None
-        store     = None
-        icon_grid = None
-        scroll    = None
-        tab_box   = None
-        watcher   = None
-        tab       = None
-        notebook  = None
 
         if not settings_manager.is_trace_debug():
             self.fm_controller.save_state()
 
         self.set_window_title()
-        gc.collect()
 
-    # NOTE: Not actually getting called even tho set in the glade file...
     def on_tab_dnded(self, notebook, page, x, y):
-        ...
+        print("Create new window on tab dnd outside stub...")
 
     def on_tab_reorder(self, child, page_num, new_index):
         wid, tid = page_num.get_name().split("|")

src/solarfm/core/widgets/files_view/tab_mixin.py

@@ -1,6 +1,5 @@
 # Python imports
 import os
-import gc
 import time
 
 # Lib imports
@@ -52,15 +51,6 @@ class TabMixin(GridMixin):
         event_system.emit("set_window_title", (tab.get_current_directory(),))
         self.set_file_watcher(tab)
 
-        tab_widget    = None
-        scroll, store = None, None
-        index         = None
-        notebook      = None
-        # path_entry    = None
-        tab           = None
-        ctx           = None
-
-
     def get_tab_widget(self, tab):
         tab_widget        = self.create_tab_widget()
         tab_widget.tab_id = tab.get_id()
@@ -72,56 +62,33 @@ class TabMixin(GridMixin):
 
     def close_tab(self, button, eve = None):
         notebook = button.get_parent().get_parent()
-        if notebook.get_n_pages() == 1:
+        if notebook.get_n_pages() == 1: return
-            notebook = None
-            return
 
         tab_box   = button.get_parent()
         wid       = int(notebook.get_name()[-1])
         tid       = self.get_id_from_tab_box(tab_box)
         scroll    = self.builder.get_object(f"{wid}|{tid}", use_gtk = False)
         icon_grid = scroll.get_children()[0]
-        store     = icon_grid.get_model()
         tab       = self.get_fm_window(wid).get_tab_by_id(tid)
         watcher   = tab.get_dir_watcher()
 
         watcher.cancel()
         self.get_fm_window(wid).delete_tab_by_id(tid)
 
+        tab_box.unload_signals()
+        icon_grid.unload_signals()
+        icon_grid.set_model(None)
+
         self.builder.dereference_object(f"{wid}|{tid}|icon_grid")
         self.builder.dereference_object(f"{wid}|{tid}")
 
-        iter = store.get_iter_first()
+        notebook.remove_page( notebook.page_num(scroll) )
-        while iter:
-            next_iter = store.iter_next(iter)
-            store.unref_node(iter)
-            iter = next_iter
-
-        store.clear()
-        store.run_dispose()
-
-        icon_grid.set_model(None)
-        icon_grid.run_dispose()
-        scroll.run_dispose()
-        tab_box.run_dispose()
-
-        iter      = None
-        wid, tid  = None, None
-        store     = None
-        icon_grid = None
-        scroll    = None
-        tab_box   = None
-        watcher   = None
-        tab       = None
-        notebook  = None
 
         if not settings_manager.is_trace_debug():
             self.fm_controller.save_state()
 
         self.set_window_title()
 
-        gc.collect()
-
     # NOTE: Not actually getting called even tho set in the glade file...
     def on_tab_dnded(self, notebook, page, x, y):
         ...

src/solarfm/core/widgets/icon_grid_widget.py

@@ -20,6 +20,8 @@ class IconGridWidget(Gtk.IconView):
     def __init__(self):
         super(IconGridWidget, self).__init__()
 
+        self._handler_ids = []
+
         self._setup_styling()
         self._setup_signals()
         self._set_up_dnd()
@@ -52,12 +54,12 @@ class IconGridWidget(Gtk.IconView):
                                         grid_on_drag_data_received,
                                         grid_on_drag_motion):
 
-        self.connect("button_release_event", grid_icon_single_click)
+        self._handler_ids.append(self.connect("button_release_event", grid_icon_single_click))
-        self.connect("item-activated",       grid_icon_double_click)
+        self._handler_ids.append(self.connect("item-activated",       grid_icon_double_click))
-        self.connect("selection-changed",    grid_set_selected_items)
+        self._handler_ids.append(self.connect("selection-changed",    grid_set_selected_items))
-        self.connect("drag-data-get",        grid_on_drag_set)
+        self._handler_ids.append(self.connect("drag-data-get",        grid_on_drag_set))
-        self.connect("drag-data-received",   grid_on_drag_data_received)
+        self._handler_ids.append(self.connect("drag-data-received",   grid_on_drag_data_received))
-        self.connect("drag-motion",          grid_on_drag_motion)
+        self._handler_ids.append(self.connect("drag-motion",          grid_on_drag_motion))
 
     def _load_widgets(self):
         self.clear_and_set_new_store()
@@ -75,20 +77,18 @@ class IconGridWidget(Gtk.IconView):
         return self.get_model()
 
     def clear_and_set_new_store(self):
-        store = self.get_model()
-        if store:
-            iter = store.get_iter_first()
-            while iter:
-                next_iter = store.iter_next(iter)
-                store.unref_node(iter)
-                iter = next_iter
-
-            store.clear()
-            store.run_dispose()
-            store = None
-
         self.set_model(None)
-        store = Gtk.ListStore(GdkPixbuf.Pixbuf or GdkPixbuf.PixbufAnimation or None, str or None)
+        self.set_model(
-        # store = Gtk.ListStore(Gtk.DirectoryList)
+            Gtk.ListStore(
-        self.set_model(store)
+                GdkPixbuf.Pixbuf or GdkPixbuf.PixbufAnimation or None, str or None
-        store = None
+            )
+        )
+
+    def unload_signals(self):
+        self.unset_model_drag_dest()
+        self.unset_model_drag_source()
+
+        for handle_id in self._handler_ids:
+            self.disconnect(handle_id)
+
+        self._handler_ids.clear()

src/solarfm/core/widgets/tab_header_widget.py

@@ -15,7 +15,7 @@ class TabHeaderWidget(Gtk.Box):
     def __init__(self, close_tab):
         super(TabHeaderWidget, self).__init__()
 
-        self._close_tab = close_tab # NOTE: Close method in tab_mixin
+        self._close_tab = close_tab # NOTE: Close method is from tab_mixin
 
         self._setup_styling()
         self._setup_signals()
@@ -31,18 +31,23 @@ class TabHeaderWidget(Gtk.Box):
 
     def _load_widgets(self):
         self.label     = Gtk.Label()
-        close = Gtk.Button()
+        self.close_btn = Gtk.Button()
-        icon  = Gtk.Image(stock=Gtk.STOCK_CLOSE)
+        icon           = Gtk.Image(stock = Gtk.STOCK_CLOSE)
 
         self.label.set_xalign(0.0)
         self.label.set_margin_left(25)
         self.label.set_margin_right(25)
         self.label.set_hexpand(True)
 
-        close.connect("released", self._close_tab)
+        self._handler_id = self.close_btn.connect("released", self._close_tab)
 
-        close.add(icon)
+        self.close_btn.add(icon)
         self.add(self.label)
-        self.add(close)
+        self.add(self.close_btn)
 
         self.show_all()
+
+    def unload_signals(self):
+        self.close_btn.disconnect(self._handler_id)
+        self._close_tab  = None
+        self._handler_id = None