Blame SOURCES/0001-backends-Always-enable-tap-to-click-drag-on-opaque-W.patch

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From eeff82f534f81b086d10d53124362d9e316e2cf9 Mon Sep 17 00:00:00 2001
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From: Carlos Garnacho <carlosg@gnome.org>
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Date: Thu, 12 Dec 2019 18:05:08 +0100
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Subject: [PATCH] backends: Always enable tap-to-click/drag on opaque Wacom
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 tablets
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Touch-wise, those are essentially giant touchpads, but have no buttons
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associated to the "touchpad" device (There may be pad buttons, but
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those are not mouse buttons).
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Without tap-to-click/drag, touch in those devices is somewhat useless
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out of the box. Have them always enable these features, despite the
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setting.
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https://gitlab.gnome.org/GNOME/mutter/merge_requests/968
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---
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 src/backends/meta-input-settings.c | 33 ++++++++++++++++++++++++++++--
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 1 file changed, 31 insertions(+), 2 deletions(-)
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diff --git a/src/backends/meta-input-settings.c b/src/backends/meta-input-settings.c
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index 2e6672d9c..28dc387ef 100644
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--- a/src/backends/meta-input-settings.c
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+++ b/src/backends/meta-input-settings.c
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@@ -517,6 +517,33 @@ update_touchpad_disable_while_typing (MetaInputSettings  *input_settings,
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     }
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 }
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+static gboolean
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+device_is_tablet_touchpad (MetaInputSettings  *input_settings,
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+                           ClutterInputDevice *device)
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+{
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+#ifdef HAVE_LIBWACOM
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+  WacomIntegrationFlags flags = 0;
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+  WacomDevice *wacom_device;
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+
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+  if (clutter_input_device_get_device_type (device) != CLUTTER_TOUCHPAD_DEVICE)
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+    return FALSE;
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+
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+  wacom_device =
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+    meta_input_settings_get_tablet_wacom_device (input_settings,
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+                                                 device);
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+  if (wacom_device)
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+    {
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+      flags = libwacom_get_integration_flags (wacom_device);
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+
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+      if ((flags & (WACOM_DEVICE_INTEGRATED_SYSTEM |
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+                    WACOM_DEVICE_INTEGRATED_DISPLAY)) == 0)
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+        return TRUE;
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+    }
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+#endif
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+
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+  return FALSE;
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+}
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+
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 static void
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 update_touchpad_tap_enabled (MetaInputSettings  *input_settings,
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                              ClutterInputDevice *device)
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@@ -531,7 +558,8 @@ update_touchpad_tap_enabled (MetaInputSettings  *input_settings,
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   priv = meta_input_settings_get_instance_private (input_settings);
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   input_settings_class = META_INPUT_SETTINGS_GET_CLASS (input_settings);
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-  enabled = g_settings_get_boolean (priv->touchpad_settings, "tap-to-click");
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+  enabled = device_is_tablet_touchpad (input_settings, device) ||
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+    g_settings_get_boolean (priv->touchpad_settings, "tap-to-click");
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   if (device)
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     {
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@@ -561,7 +589,8 @@ update_touchpad_tap_and_drag_enabled (MetaInputSettings  *input_settings,
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   priv = meta_input_settings_get_instance_private (input_settings);
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   input_settings_class = META_INPUT_SETTINGS_GET_CLASS (input_settings);
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-  enabled = g_settings_get_boolean (priv->touchpad_settings, "tap-and-drag");
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+  enabled = device_is_tablet_touchpad (input_settings, device) ||
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+    g_settings_get_boolean (priv->touchpad_settings, "tap-and-drag");
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   if (device)
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     {
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-- 
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2.23.0
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