FIX: support gcc14 -Werror=incompatible-pointer-types

gcc14 now defaults to -Werror=incompatible-pointer-types .
To support this, cast GTK related objects for assignment
properly.

Fixes lxde#100 .

Author: mtasaka

src/gtk/exo/exo-icon-view.c

@@ -2819,7 +2819,7 @@ exo_icon_view_key_press_event (GtkWidget   *widget,
   /* allocate a new event to forward */
   new_event = gdk_event_copy ((GdkEvent *) event);
   g_object_unref (G_OBJECT (new_event->key.window));
-  new_event->key.window = g_object_ref (G_OBJECT (gtk_widget_get_window (icon_view->priv->search_entry)));
+  new_event->key.window = GDK_WINDOW(g_object_ref (G_OBJECT (gtk_widget_get_window (icon_view->priv->search_entry))));
 
   /* send the event to the search entry. If the "preedit-changed" signal is
    * emitted during this event, priv->search_imcontext_changed will be set.

src/gtk/fm-dnd-dest.c

@@ -458,7 +458,7 @@ static GdkDragAction _ask_action_on_drop(GtkWidget *widget,
             gtk_action_set_sensitive(act, FALSE);
         }
     }
-    ri.menu = g_object_ref(gtk_ui_manager_get_widget(ui, "/popup"));
+    ri.menu = GTK_MENU(g_object_ref(gtk_ui_manager_get_widget(ui, "/popup")));
     g_signal_connect(ri.menu, "selection-done", G_CALLBACK(gtk_widget_destroy), NULL);
     unmap_handler = g_signal_connect(ri.menu, "unmap",
                                      G_CALLBACK(run_unmap_handler), &ri);

src/gtk/fm-standard-view.c

@@ -637,7 +637,7 @@ static inline void create_icon_view(FmStandardView* fv, GList* sels)
                                 "text", FM_FOLDER_MODEL_COL_NAME );
     if(fv->renderer_text)
         g_object_unref(fv->renderer_text);
-    fv->renderer_text = g_object_ref_sink(render);
+    fv->renderer_text = FM_CELL_RENDERER_TEXT(g_object_ref_sink(render));
     exo_icon_view_set_search_column((ExoIconView*)fv->view, FM_FOLDER_MODEL_COL_NAME);
     g_signal_connect(fv->view, "item-activated", G_CALLBACK(on_icon_view_item_activated), fv);
     g_signal_connect(fv->view, "selection-changed", G_CALLBACK(on_sel_changed), fv);