[gtksourceview/wip/chergert/snippets: 77/119] completion: use event controllers for input

[Christian Hergert <chergert src gnome org>]

commit 40e3c7c76a7e21ec29141668e2a2b248a6cda620
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 15 14:08:38 2020 -0800

    completion: use event controllers for input

 gtksourceview/gtksourcecompletion.c | 46 +++++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 17 deletions(-)
---
diff --git a/gtksourceview/gtksourcecompletion.c b/gtksourceview/gtksourcecompletion.c
index 77dbb503..309f5687 100644
--- a/gtksourceview/gtksourcecompletion.c
+++ b/gtksourceview/gtksourcecompletion.c
@@ -1284,15 +1284,20 @@ hide_completion_cb (GtkSourceCompletion *completion)
 }
 
 static gboolean
-view_key_press_event_cb (GtkSourceView       *view,
-                        GdkEventKey         *event,
-                        GtkSourceCompletion *completion)
+view_key_press_event_cb (GtkEventController  *key,
+                         guint                keyval,
+                         guint                keycode,
+                         GdkModifierType      state,
+                         GtkSourceCompletion *completion)
 {
        static gboolean mnemonic_keyval_set = FALSE;
        static guint mnemonic_keyval = GDK_KEY_VoidSymbol;
        GdkModifierType mod;
        GtkBindingSet *binding_set;
 
+       g_assert (GTK_IS_EVENT_CONTROLLER_KEY (key));
+       g_assert (GTK_SOURCE_IS_COMPLETION (completion));
+
        if (!gtk_widget_get_visible (GTK_WIDGET (completion->main_window)))
        {
                return FALSE;
@@ -1310,11 +1315,11 @@ view_key_press_event_cb (GtkSourceView       *view,
                g_object_unref (label);
        }
 
-       mod = gtk_accelerator_get_default_mod_mask () & event->state;
+       mod = gtk_accelerator_get_default_mod_mask () & state;
 
        /* Handle info button mnemonic */
        if ((mod & GDK_MOD1_MASK) != 0 &&
-           event->keyval == mnemonic_keyval &&
+           keyval == mnemonic_keyval &&
            gtk_widget_get_sensitive (GTK_WIDGET (completion->info_button)))
        {
                gtk_toggle_button_set_active (completion->info_button,
@@ -1323,9 +1328,10 @@ view_key_press_event_cb (GtkSourceView       *view,
        }
 
        if ((mod & GDK_MOD1_MASK) != 0 &&
-           GDK_KEY_0 <= event->keyval && event->keyval <= GDK_KEY_9)
+           GDK_KEY_0 <= keyval &&
+           keyval <= GDK_KEY_9)
        {
-               if (activate_by_accelerator (completion, event->keyval - GDK_KEY_0))
+               if (activate_by_accelerator (completion, keyval - GDK_KEY_0))
                {
                        return TRUE;
                }
@@ -1333,10 +1339,7 @@ view_key_press_event_cb (GtkSourceView       *view,
 
        binding_set = gtk_binding_set_by_class (G_OBJECT_GET_CLASS (completion));
 
-       if (gtk_binding_set_activate (binding_set,
-                                     event->keyval,
-                                     event->state,
-                                     G_OBJECT (completion)))
+       if (gtk_binding_set_activate (binding_set, keyval, state, G_OBJECT (completion)))
        {
                return TRUE;
        }
@@ -1806,26 +1809,35 @@ static void
 connect_view (GtkSourceCompletion *completion,
              GtkSourceView       *view)
 {
+       GtkEventController *key;
+       GtkGesture *click;
+
        g_assert (completion->view == NULL);
        completion->view = view;
 
+       key = gtk_event_controller_key_new ();
+       gtk_widget_add_controller (GTK_WIDGET (view), key);
+
+       click = gtk_gesture_click_new ();
+       gtk_widget_add_controller (GTK_WIDGET (view), GTK_EVENT_CONTROLLER (click));
+
        g_object_add_weak_pointer (G_OBJECT (view),
                                   (gpointer *)&completion->view);
 
-       g_signal_connect_object (completion->view,
-                                "focus-out-event",
+       g_signal_connect_object (click,
+                                "pressed",
                                 G_CALLBACK (hide_completion_cb),
                                 completion,
                                 G_CONNECT_SWAPPED);
 
-       g_signal_connect_object (completion->view,
-                                "button-press-event",
+       g_signal_connect_object (key,
+                                "focus-out",
                                 G_CALLBACK (hide_completion_cb),
                                 completion,
                                 G_CONNECT_SWAPPED);
 
-       g_signal_connect_object (completion->view,
-                                "key-press-event",
+       g_signal_connect_object (key,
+                                "key-pressed",
                                 G_CALLBACK (view_key_press_event_cb),
                                 completion,
                                 0);