void-packages/srcpkgs/clutter/patches/libinput08.patch

90 lines
3.4 KiB
Diff

From ede13b11d72a310e535f9a6f0b7e3f774f5529dc Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 16 Jan 2015 01:03:52 +0100
Subject: evdev: use libinput's new merged scroll events
libinput's API changed from separate scroll events for vert/horiz scrolling to
a single event that contains both axes if they changed.
Updated by Armin K. to use the discrete axis value for wheel events as done
in Weston.
https://bugzilla.gnome.org/show_bug.cgi?id=742829
diff --git a/clutter/evdev/clutter-device-manager-evdev.c b/clutter/evdev/clutter-device-manager-evdev.c
index 7b48481..2b3828a 100644
--- a/clutter/evdev/clutter-device-manager-evdev.c
+++ b/clutter/evdev/clutter-device-manager-evdev.c
@@ -1191,29 +1191,43 @@ process_device_event (ClutterDeviceManagerEvdev *manager_evdev,
case LIBINPUT_EVENT_POINTER_AXIS:
{
- gdouble value, dx = 0.0, dy = 0.0;
+ gdouble dx = 0.0, dy = 0.0;
guint32 time;
+ gboolean wheel = FALSE;
enum libinput_pointer_axis axis;
+ enum libinput_pointer_axis_source source;
struct libinput_event_pointer *axis_event =
libinput_event_get_pointer_event (event);
+
device = libinput_device_get_user_data (libinput_device);
time = libinput_event_pointer_get_time (axis_event);
- value = libinput_event_pointer_get_axis_value (axis_event);
- axis = libinput_event_pointer_get_axis (axis_event);
+ source = libinput_event_pointer_get_axis_source (axis_event);
- switch (axis)
- {
- case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
- dx = 0;
- dy = value;
- break;
+ /* libinput < 0.8 sent wheel click events with value 10. Since 0.8
+ the value is the angle of the click in degrees. To keep
+ backwards-compat with existing clients, we just send multiples of
+ the click count. */
+
+ if (source == LIBINPUT_POINTER_AXIS_SOURCE_WHEEL)
+ wheel = TRUE;
- case LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL:
- dx = value;
- dy = 0;
- break;
+ axis = LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL;
+ if (libinput_event_pointer_has_axis (axis_event, axis))
+ {
+ if (wheel)
+ dy = 10 * libinput_event_pointer_get_axis_value_discrete (axis_event, axis);
+ else
+ dy = libinput_event_pointer_get_axis_value (axis_event, axis);
+ }
+ axis = LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL;
+ if (libinput_event_pointer_has_axis (axis_event, axis))
+ {
+ if (wheel)
+ dx = 10 * libinput_event_pointer_get_axis_value_discrete (axis_event, axis);
+ else
+ dx = libinput_event_pointer_get_axis_value (axis_event, axis);
}
notify_scroll (device, time, dx, dy);
diff --git a/configure.ac b/configure.ac
index 0a9a580..2a47744 100644
--- a/configure.ac
+++ b/configure.ac
@@ -146,7 +146,7 @@ m4_define([uprof_req_version], [0.3])
m4_define([gtk_doc_req_version], [1.20])
m4_define([xcomposite_req_version], [0.4])
m4_define([gdk_req_version], [3.3.18])
-m4_define([libinput_req_version], [0.4.0])
+m4_define([libinput_req_version], [0.8.0])
m4_define([libudev_req_version], [136])
AC_SUBST([GLIB_REQ_VERSION], [glib_req_version])
--
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