[gtk/kill-containers: 152/199] infobar: Add gtk_info_bar_remove_action_widget

[Matthias Clasen <matthiasc src gnome org>]

commit a26688a6c965a18a386bdafecb56f6d4866ab3d9
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu May 7 12:28:33 2020 -0400

    infobar: Add gtk_info_bar_remove_action_widget
    
    This is mainly for completeness, since gtk_container_remove
    will not work for those anymore.

 docs/reference/gtk/gtk4-sections.txt |  1 +
 gtk/gtkinfobar.c                     | 37 ++++++++++++++++++++++++++++++++++--
 gtk/gtkinfobar.h                     |  3 +++
 3 files changed, 39 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/gtk/gtk4-sections.txt b/docs/reference/gtk/gtk4-sections.txt
index 6ac6044a70..ba5d96cd7b 100644
--- a/docs/reference/gtk/gtk4-sections.txt
+++ b/docs/reference/gtk/gtk4-sections.txt
@@ -1743,6 +1743,7 @@ GtkInfoBar
 gtk_info_bar_new
 gtk_info_bar_new_with_buttons
 gtk_info_bar_add_action_widget
+gtk_info_bar_remove_action_widget
 gtk_info_bar_add_button
 gtk_info_bar_add_buttons
 gtk_info_bar_set_response_sensitive
diff --git a/gtk/gtkinfobar.c b/gtk/gtkinfobar.c
index 485c8956e5..a8baa91f1c 100644
--- a/gtk/gtkinfobar.c
+++ b/gtk/gtkinfobar.c
@@ -168,7 +168,8 @@ typedef struct _ResponseData ResponseData;
 
 struct _ResponseData
 {
-  gint response_id;
+  int response_id;
+  gulong handler_id;
 };
 
 enum
@@ -288,6 +289,16 @@ get_response_data (GtkWidget *widget,
   return ad;
 }
 
+static void
+clear_response_data (GtkWidget *widget)
+{
+  ResponseData *data;
+
+  data = get_response_data (widget, FALSE);
+  g_signal_handler_disconnect (widget, data->handler_id);
+  g_object_set_data (G_OBJECT (widget), "gtk-info-bar-reponse-data", NULL);
+}
+
 static GtkWidget *
 find_button (GtkInfoBar *info_bar,
              gint        response_id)
@@ -594,7 +605,7 @@ gtk_info_bar_add_action_widget (GtkInfoBar *info_bar,
 
       closure = g_cclosure_new_object (G_CALLBACK (action_widget_activated),
                                        G_OBJECT (info_bar));
-      g_signal_connect_closure_by_id (child, signal_id, 0, closure, FALSE);
+      ad->handler_id = g_signal_connect_closure_by_id (child, signal_id, 0, closure, FALSE);
     }
   else
     g_warning ("Only 'activatable' widgets can be packed into the action area of a GtkInfoBar");
@@ -602,6 +613,28 @@ gtk_info_bar_add_action_widget (GtkInfoBar *info_bar,
   gtk_container_add (GTK_CONTAINER (info_bar->action_area), child);
 }
 
+/**
+ * gtk_info_bar_remove_action_widget:
+ * @info_bar: a #GtkInfoBar
+ * @widget: an action widget to remove
+ *
+ * Removes a widget from the action area of @info_bar, after
+ * it been put there by a call to gtk_info_bar_add_action_widget()
+ * or gtk_info_bar_add_button().
+ */
+void
+gtk_info_bar_remove_action_widget (GtkInfoBar *info_bar,
+                                   GtkWidget  *widget)
+{
+  g_return_if_fail (GTK_IS_INFO_BAR (info_bar));
+  g_return_if_fail (GTK_IS_WIDGET (widget));
+  g_return_if_fail (gtk_widget_get_parent (widget) == info_bar->action_area);
+
+  clear_response_data (widget);
+
+  gtk_container_remove (GTK_CONTAINER (info_bar->action_area), widget);
+}
+
 /**
  * gtk_info_bar_add_button:
  * @info_bar: a #GtkInfoBar
diff --git a/gtk/gtkinfobar.h b/gtk/gtkinfobar.h
index 139b609afc..3a2997d927 100644
--- a/gtk/gtkinfobar.h
+++ b/gtk/gtkinfobar.h
@@ -58,6 +58,9 @@ void           gtk_info_bar_add_action_widget      (GtkInfoBar     *info_bar,
                                                     GtkWidget      *child,
                                                     gint            response_id);
 GDK_AVAILABLE_IN_ALL
+void           gtk_info_bar_remove_action_widget   (GtkInfoBar     *info_bar,
+                                                    GtkWidget      *widget);
+GDK_AVAILABLE_IN_ALL
 GtkWidget     *gtk_info_bar_add_button             (GtkInfoBar     *info_bar,
                                                     const gchar    *button_text,
                                                     gint            response_id);