diff options
Diffstat (limited to 'panels/mouse/cc-mouse-caps-helper.c')
| -rw-r--r-- | panels/mouse/cc-mouse-caps-helper.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/panels/mouse/cc-mouse-caps-helper.c b/panels/mouse/cc-mouse-caps-helper.c new file mode 100644 index 0000000..69546b2 --- /dev/null +++ b/panels/mouse/cc-mouse-caps-helper.c @@ -0,0 +1,148 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright 2015 Red Hat, Inc, + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + * + * Author: Felipe Borges <feborges@redhat.com> + */ + +#include <gdk/gdkx.h> +#include <X11/Xatom.h> +#include <X11/extensions/XInput2.h> + +#include "cc-mouse-caps-helper.h" + +static gboolean +touchpad_check_capabilities_x11 (gboolean *have_two_finger_scrolling, + gboolean *have_edge_scrolling, + gboolean *have_tap_to_click) +{ + GdkDisplay *gdisplay; + Display *display; + g_autoptr(GList) devicelist = NULL; + GList *l; + Atom realtype, prop_scroll_methods, prop_tapping_enabled; + int realformat; + unsigned long nitems, bytes_after; + unsigned char *data; + + gdisplay = gdk_display_get_default (); + display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()); + prop_scroll_methods = XInternAtom (display, "libinput Scroll Methods Available", False); + prop_tapping_enabled = XInternAtom (display, "libinput Tapping Enabled", False); + if (!prop_scroll_methods || !prop_tapping_enabled) + return FALSE; + + *have_two_finger_scrolling = FALSE; + *have_edge_scrolling = FALSE; + *have_tap_to_click = FALSE; + + gdk_x11_display_error_trap_push (gdisplay); + + devicelist = gdk_seat_get_slaves (gdk_display_get_default_seat (gdk_display_get_default ()), + GDK_SEAT_CAPABILITY_ALL_POINTING); + for (l = devicelist; l != NULL; l = l->next) { + GdkDevice *device = l->data; + if (gdk_device_get_source (device) != GDK_SOURCE_TOUCHPAD) + continue; + + /* xorg-x11-drv-libinput */ + if ((XIGetProperty (display, gdk_x11_device_get_id (device), prop_scroll_methods, + 0, 2, False, XA_INTEGER, &realtype, &realformat, &nitems, + &bytes_after, &data) == Success) && (realtype != None)) { + /* Property data is booleans for two-finger, edge, on-button scroll available. */ + + if (data[0]) + *have_two_finger_scrolling = TRUE; + + if (data[1]) + *have_edge_scrolling = TRUE; + + XFree (data); + } + + if ((XIGetProperty (display, gdk_x11_device_get_id (device), prop_tapping_enabled, + 0, 1, False, XA_INTEGER, &realtype, &realformat, &nitems, + &bytes_after, &data) == Success) && (realtype != None)) { + /* Property data is boolean for tapping enabled. */ + *have_tap_to_click = TRUE; + + XFree (data); + } + } + + gdk_x11_display_error_trap_pop_ignored (gdisplay); + + return TRUE; +} + +gboolean +cc_touchpad_check_capabilities (gboolean *have_two_finger_scrolling, + gboolean *have_edge_scrolling, + gboolean *have_tap_to_click) +{ + if (GDK_IS_X11_DISPLAY (gdk_display_get_default ())) + return touchpad_check_capabilities_x11 (have_two_finger_scrolling, + have_edge_scrolling, + have_tap_to_click); + /* else we unconditionally show all touchpad knobs */ + *have_two_finger_scrolling = TRUE; + *have_edge_scrolling = TRUE; + *have_tap_to_click = TRUE; + return FALSE; +} + +gboolean +cc_synaptics_check (void) +{ + GdkDisplay *gdisplay; + Display *display; + g_autoptr(GList) devicelist = NULL; + GList *l; + Atom prop, realtype; + int realformat; + unsigned long nitems, bytes_after; + unsigned char *data; + gboolean have_synaptics = FALSE; + + if (!GDK_IS_X11_DISPLAY (gdk_display_get_default ())) + return FALSE; + + gdisplay = gdk_display_get_default (); + display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()); + prop = XInternAtom (display, "Synaptics Capabilities", False); + + gdk_x11_display_error_trap_push (gdisplay); + + devicelist = gdk_seat_get_slaves (gdk_display_get_default_seat (gdk_display_get_default ()), + GDK_SEAT_CAPABILITY_ALL_POINTING); + for (l = devicelist; l != NULL; l = l->next) { + GdkDevice *device = l->data; + + if ((XIGetProperty (display, gdk_x11_device_get_id (device), prop, + 0, 2, False, XA_INTEGER, &realtype, &realformat, &nitems, + &bytes_after, &data) == Success) && (realtype != None)) { + have_synaptics = TRUE; + XFree (data); + } + + if (have_synaptics) + break; + } + + gdk_x11_display_error_trap_pop_ignored (gdisplay); + + return have_synaptics; +} |