From 9f43dd5c7c37b84960d06a98a4738ee40d8bfd50 Mon Sep 17 00:00:00 2001
From: lukefromdc <lukefromdc@hushmail.com>
Date: Wed, 26 Jul 2017 01:56:46 -0400
Subject: wncklet: stop segfaults, warnings on removing in-process switcher,
 window-list Fixes window list, workspace switcher. Window menu and show
 desktop no warnings or segfaults on removal when built in process

---
 applets/wncklet/window-list.c        | 39 +++++++++++++++++++++++++++---------
 applets/wncklet/workspace-switcher.c | 32 ++++++++++++++++++++---------
 2 files changed, 51 insertions(+), 20 deletions(-)

(limited to 'applets/wncklet')

diff --git a/applets/wncklet/window-list.c b/applets/wncklet/window-list.c
index 35bdbd45..e3d2e208 100644
--- a/applets/wncklet/window-list.c
+++ b/applets/wncklet/window-list.c
@@ -63,6 +63,7 @@ static void call_system_monitor(GtkAction* action, TasklistData* tasklist);
 static void display_properties_dialog(GtkAction* action, TasklistData* tasklist);
 static void display_help_dialog(GtkAction* action, TasklistData* tasklist);
 static void display_about_dialog(GtkAction* action, TasklistData* tasklist);
+static void destroy_tasklist(GtkWidget* widget, TasklistData* tasklist);
 
 static void tasklist_update(TasklistData* tasklist)
 {
@@ -147,16 +148,6 @@ static void applet_change_pixel_size(MatePanelApplet* applet, gint size, Tasklis
 	tasklist_update(tasklist);
 }
 
-static void destroy_tasklist(GtkWidget* widget, TasklistData* tasklist)
-{
-	g_object_unref(tasklist->settings);
-
-	if (tasklist->properties_dialog)
-		gtk_widget_destroy(tasklist->properties_dialog);
-
-	g_free(tasklist);
-}
-
 /* TODO: this is sad, should be used a function to retrieve  applications from
  *  .desktop or some like that. */
 static const char* system_monitors[] = {
@@ -694,3 +685,31 @@ static void display_properties_dialog(GtkAction* action, TasklistData* tasklist)
 	gtk_window_set_screen(GTK_WINDOW(tasklist->properties_dialog), gtk_widget_get_screen(tasklist->applet));
 	gtk_window_present(GTK_WINDOW(tasklist->properties_dialog));
 }
+
+static void destroy_tasklist(GtkWidget* widget, TasklistData* tasklist)
+{
+
+	g_signal_handlers_disconnect_by_func(G_OBJECT(tasklist->applet),
+						G_CALLBACK(applet_change_orient), tasklist);
+	g_signal_handlers_disconnect_by_func(G_OBJECT(tasklist->applet),
+						G_CALLBACK(applet_change_pixel_size), tasklist);
+	g_signal_handlers_disconnect_by_func(G_OBJECT(tasklist->applet),
+						G_CALLBACK(applet_change_background), tasklist);
+	g_signal_handlers_disconnect_by_func (tasklist->settings,
+					  G_CALLBACK (display_all_workspaces_changed),
+					  tasklist);
+	g_signal_handlers_disconnect_by_func (tasklist->settings,
+					  G_CALLBACK (group_windows_changed),
+					  tasklist);
+	g_signal_handlers_disconnect_by_func (tasklist->settings,
+					  G_CALLBACK (move_unminimized_windows_changed),
+					  tasklist);
+
+	g_object_unref(tasklist->settings);
+
+	if (tasklist->properties_dialog)
+		gtk_widget_destroy(tasklist->properties_dialog);
+
+	g_free(tasklist);
+
+}
diff --git a/applets/wncklet/workspace-switcher.c b/applets/wncklet/workspace-switcher.c
index f9d422ab..05ca4432 100644
--- a/applets/wncklet/workspace-switcher.c
+++ b/applets/wncklet/workspace-switcher.c
@@ -86,6 +86,7 @@ typedef struct {
 static void display_properties_dialog(GtkAction* action, PagerData* pager);
 static void display_help_dialog(GtkAction* action, PagerData* pager);
 static void display_about_dialog(GtkAction* action, PagerData* pager);
+static void destroy_pager(GtkWidget* widget, PagerData* pager);
 
 static void pager_update(PagerData* pager)
 {
@@ -319,16 +320,6 @@ static gboolean applet_scroll(MatePanelApplet* applet, GdkEventScroll* event, Pa
 	return TRUE;
 }
 
-static void destroy_pager(GtkWidget* widget, PagerData* pager)
-{
-	g_object_unref (pager->settings);
-
-	if (pager->properties_dialog)
-		gtk_widget_destroy(pager->properties_dialog);
-
-	g_free(pager);
-}
-
 static const GtkActionEntry pager_menu_actions[] = {
 	{
 		"PagerPreferences",
@@ -967,3 +958,24 @@ static void display_properties_dialog(GtkAction* action, PagerData* pager)
 	gtk_window_set_screen(GTK_WINDOW(pager->properties_dialog), gtk_widget_get_screen(pager->applet));
 	gtk_window_present(GTK_WINDOW(pager->properties_dialog));
 }
+
+static void destroy_pager(GtkWidget* widget, PagerData* pager)
+{
+	g_signal_handlers_disconnect_by_func (pager->settings,
+					  G_CALLBACK (num_rows_changed),
+					  pager);
+	g_signal_handlers_disconnect_by_func (pager->settings,
+					  G_CALLBACK (display_workspace_names_changed),
+					  pager);
+	g_signal_handlers_disconnect_by_func (pager->settings,
+					  G_CALLBACK (all_workspaces_changed),
+					  pager);
+	g_signal_handlers_disconnect_by_func (pager->settings,
+					  G_CALLBACK (wrap_workspaces_changed),
+					  pager);
+	g_object_unref (pager->settings);
+
+	if (pager->properties_dialog)
+		gtk_widget_destroy(pager->properties_dialog);
+	g_free(pager);
+}
-- 
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