[gnome-flashback] input-settings: implement disable-while-typing

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 0b281d6292757a7dcbc494f168eed679020adf18
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Jul 6 18:01:20 2019 +0300

    input-settings: implement disable-while-typing
    
    Based on mutter commit:
    https://gitlab.gnome.org/GNOME/mutter/commit/28b2added70f0212be40

 .../libinput-settings/gf-input-settings.c          | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
---
diff --git a/gnome-flashback/libinput-settings/gf-input-settings.c 
b/gnome-flashback/libinput-settings/gf-input-settings.c
index bcb41ad..cbf2e01 100644
--- a/gnome-flashback/libinput-settings/gf-input-settings.c
+++ b/gnome-flashback/libinput-settings/gf-input-settings.c
@@ -360,6 +360,17 @@ set_tap_enabled (GfInputSettings *settings,
                    XA_INTEGER, 8, &value, 1);
 }
 
+static void
+set_disable_while_typing (GfInputSettings *settings,
+                          GdkDevice       *device,
+                          gboolean         enabled)
+{
+  guchar value = (enabled) ? 1 : 0;
+
+  change_property (settings, device, "libinput Disable While Typing Enabled",
+                   XA_INTEGER, 8, &value, 1);
+}
+
 static void
 set_send_events (GfInputSettings          *settings,
                  GdkDevice                *device,
@@ -766,6 +777,29 @@ update_touchpad_tap_enabled (GfInputSettings *settings,
     }
 }
 
+static void
+update_touchpad_disable_while_typing (GfInputSettings *settings,
+                                      GdkDevice       *device)
+{
+  gboolean enabled;
+
+  if (device && gdk_device_get_source (device) != GDK_SOURCE_TOUCHPAD)
+    return;
+
+  enabled = g_settings_get_boolean (settings->touchpad, "disable-while-typing");
+
+  if (device)
+    {
+      device_set_bool_setting (settings, device,
+                               set_disable_while_typing, enabled);
+    }
+  else
+    {
+      set_bool_setting (settings, GDK_SOURCE_TOUCHPAD,
+                        set_disable_while_typing, enabled);
+    }
+}
+
 static void
 update_touchpad_send_events (GfInputSettings *settings,
                              GdkDevice       *device)
@@ -996,6 +1030,8 @@ settings_changed_cb (GSettings       *gsettings,
         update_touchpad_natural_scroll (settings, NULL);
       else if (strcmp (key, "tap-to-click") == 0)
         update_touchpad_tap_enabled (settings, NULL);
+      else if (strcmp (key, "disable-while-typing") == 0)
+        update_touchpad_disable_while_typing (settings, NULL);
       else if (strcmp (key, "send-events") == 0)
         update_touchpad_send_events (settings, NULL);
       else if (strcmp (key, "edge-scrolling-enabled") == 0)
@@ -1265,6 +1301,7 @@ apply_device_settings (GfInputSettings *settings,
   update_touchpad_speed (settings, device);
   update_touchpad_natural_scroll (settings, device);
   update_touchpad_tap_enabled (settings, device);
+  update_touchpad_disable_while_typing (settings, device);
   update_touchpad_send_events (settings, device);
   update_touchpad_two_finger_scroll (settings, device);
   update_touchpad_edge_scroll (settings, device);