431 lines
11 KiB
C
431 lines
11 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2010 Bastien Nocera <hadess@hadess.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <string.h>
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#include <gdk/gdk.h>
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#include <gdk/gdkx.h>
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#include <sys/types.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/XInput2.h>
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#include "gsd-input-helper.h"
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#include "gsd-device-manager.h"
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#define ABS_MT_X "Abs MT Position X"
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#define ABS_MT_Y "Abs MT Position Y"
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#define ABS_X "Abs X"
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#define ABS_Y "Abs Y"
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typedef gboolean (* InfoIdentifyFunc) (XDeviceInfo *device_info);
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typedef gboolean (* DeviceIdentifyFunc) (XDevice *xdevice);
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gboolean
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device_set_property (XDevice *xdevice,
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const char *device_name,
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PropertyHelper *property)
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{
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int rc, i;
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Atom prop;
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Atom realtype;
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int realformat;
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unsigned long nitems, bytes_after;
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unsigned char *data;
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prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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property->name, False);
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if (!prop)
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return FALSE;
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gdk_error_trap_push ();
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rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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xdevice, prop, 0, property->nitems, False,
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AnyPropertyType, &realtype, &realformat, &nitems,
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&bytes_after, &data);
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if (rc != Success ||
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realtype != property->type ||
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realformat != property->format ||
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nitems < property->nitems) {
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gdk_error_trap_pop_ignored ();
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g_warning ("Error reading property \"%s\" for \"%s\"", property->name, device_name);
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return FALSE;
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}
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for (i = 0; i < nitems; i++) {
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switch (property->format) {
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case 8:
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data[i] = property->data.c[i];
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break;
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case 32:
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((long*)data)[i] = property->data.i[i];
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break;
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}
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}
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XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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xdevice, prop, realtype, realformat,
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PropModeReplace, data, nitems);
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XFree (data);
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if (gdk_error_trap_pop ()) {
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g_warning ("Error in setting \"%s\" for \"%s\"", property->name, device_name);
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return FALSE;
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}
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return TRUE;
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}
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static gboolean
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supports_xinput_devices_with_opcode (int *opcode)
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{
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gint op_code, event, error;
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gboolean retval;
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retval = XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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"XInputExtension",
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&op_code,
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&event,
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&error);
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if (opcode)
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*opcode = op_code;
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return retval;
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}
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gboolean
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supports_xtest (void)
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{
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gint op_code, event, error;
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gboolean retval;
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retval = XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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"XTEST",
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&op_code,
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&event,
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&error);
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return retval;
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}
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gboolean
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supports_xinput2_devices (int *opcode)
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{
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int major, minor;
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if (supports_xinput_devices_with_opcode (opcode) == FALSE)
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return FALSE;
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gdk_error_trap_push ();
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major = 2;
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minor = 3;
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if (XIQueryVersion (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &major, &minor) != Success) {
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gdk_error_trap_pop_ignored ();
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return FALSE;
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}
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gdk_error_trap_pop_ignored ();
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if ((major * 1000 + minor) < (2000))
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return FALSE;
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return TRUE;
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}
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static gboolean
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device_type_is_present (GsdDeviceType type)
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{
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g_autoptr(GList) l = gsd_device_manager_list_devices (gsd_device_manager_get (),
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type);
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return l != NULL;
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}
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gboolean
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touchscreen_is_present (void)
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{
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return device_type_is_present (GSD_DEVICE_TYPE_TOUCHSCREEN);
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}
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gboolean
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touchpad_is_present (void)
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{
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return device_type_is_present (GSD_DEVICE_TYPE_TOUCHPAD);
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}
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gboolean
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mouse_is_present (void)
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{
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return device_type_is_present (GSD_DEVICE_TYPE_MOUSE);
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}
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char *
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xdevice_get_device_node (int deviceid)
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{
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Atom prop;
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Atom act_type;
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int act_format;
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unsigned long nitems, bytes_after;
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unsigned char *data;
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char *ret;
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gdk_display_sync (gdk_display_get_default ());
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prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "Device Node", False);
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if (!prop)
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return NULL;
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gdk_error_trap_push ();
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if (!XIGetProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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deviceid, prop, 0, 1000, False,
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AnyPropertyType, &act_type, &act_format,
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&nitems, &bytes_after, &data) == Success) {
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gdk_error_trap_pop_ignored ();
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return NULL;
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}
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if (gdk_error_trap_pop ())
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goto out;
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if (nitems == 0)
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goto out;
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if (act_type != XA_STRING)
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goto out;
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/* Unknown string format */
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if (act_format != 8)
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goto out;
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ret = g_strdup ((char *) data);
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XFree (data);
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return ret;
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out:
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XFree (data);
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return NULL;
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}
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#define TOOL_ID_FORMAT_SIZE 32
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static int
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get_id_for_index (guchar *data,
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guint idx)
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{
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guchar *ptr;
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int id;
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ptr = data;
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ptr += TOOL_ID_FORMAT_SIZE / 8 * idx;
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id = *((int32_t*)ptr);
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id = id & 0xfffff;
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return id;
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}
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#define STYLUS_DEVICE_ID 0x02
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#define ERASER_DEVICE_ID 0x0A
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int
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xdevice_get_last_tool_id (int deviceid)
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{
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Atom prop;
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Atom act_type;
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int act_format;
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unsigned long nitems, bytes_after;
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unsigned char *data;
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int id;
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id = -1;
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gdk_display_sync (gdk_display_get_default ());
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prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), WACOM_SERIAL_IDS_PROP, False);
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if (!prop)
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return -1;
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data = NULL;
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gdk_error_trap_push ();
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if (XIGetProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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deviceid, prop, 0, 1000, False,
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AnyPropertyType, &act_type, &act_format,
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&nitems, &bytes_after, &data) != Success) {
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gdk_error_trap_pop_ignored ();
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goto out;
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}
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if (gdk_error_trap_pop ())
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goto out;
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if (nitems != 4 && nitems != 5)
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goto out;
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if (act_type != XA_INTEGER)
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goto out;
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if (act_format != TOOL_ID_FORMAT_SIZE)
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goto out;
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/* item 0 = tablet ID
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* item 1 = old device serial number (== last tool in proximity)
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* item 2 = old hardware serial number (including tool ID)
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* item 3 = current serial number (0 if no tool in proximity)
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* item 4 = current tool ID (since Feb 2012)
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*
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* Get the current tool ID first, if available, then the old one */
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id = 0x0;
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if (nitems == 5)
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id = get_id_for_index (data, 4);
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if (id == 0x0)
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id = get_id_for_index (data, 2);
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/* That means that no tool was set down yet */
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if (id == STYLUS_DEVICE_ID ||
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id == ERASER_DEVICE_ID)
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id = 0x0;
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out:
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if (data != NULL)
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XFree (data);
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return id;
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}
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gboolean
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set_device_enabled (int device_id,
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gboolean enabled)
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{
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Atom prop;
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guchar value;
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prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "Device Enabled", False);
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if (!prop)
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return FALSE;
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gdk_error_trap_push ();
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value = enabled ? 1 : 0;
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XIChangeProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
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device_id, prop, XA_INTEGER, 8, PropModeReplace, &value, 1);
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if (gdk_error_trap_pop ())
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return FALSE;
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return TRUE;
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}
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const char *
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xdevice_get_wacom_tool_type (int deviceid)
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{
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unsigned long nitems, bytes_after;
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unsigned char *data = NULL;
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Atom prop, realtype, tool;
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GdkDisplay *display;
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int realformat, rc;
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const gchar *ret = NULL;
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gdk_error_trap_push ();
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display = gdk_display_get_default ();
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prop = gdk_x11_get_xatom_by_name ("Wacom Tool Type");
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rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
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deviceid, prop, 0, 1, False,
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XA_ATOM, &realtype, &realformat, &nitems,
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&bytes_after, &data);
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gdk_error_trap_pop_ignored ();
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if (rc != Success || nitems == 0)
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return NULL;
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if (realtype == XA_ATOM) {
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tool = *((Atom*) data);
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ret = gdk_x11_get_xatom_name (tool);
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}
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XFree (data);
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return ret;
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}
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void
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xdevice_close (XDevice *xdevice)
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{
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gdk_error_trap_push ();
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XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xdevice);
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gdk_error_trap_pop_ignored();
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}
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gboolean
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xdevice_get_dimensions (int deviceid,
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guint *width,
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guint *height)
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{
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GdkDisplay *display = gdk_display_get_default ();
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XIDeviceInfo *info;
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guint *value, w, h;
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int i, n_info;
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gdk_error_trap_push ();
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info = XIQueryDevice (GDK_DISPLAY_XDISPLAY (display), deviceid, &n_info);
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*width = *height = w = h = 0;
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if (gdk_error_trap_pop ())
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return FALSE;
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if (!info)
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return FALSE;
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for (i = 0; i < info->num_classes; i++) {
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XIValuatorClassInfo *valuator_info;
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if (info->classes[i]->type != XIValuatorClass)
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continue;
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valuator_info = (XIValuatorClassInfo *) info->classes[i];
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if (valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_X) ||
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valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_MT_X))
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value = &w;
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else if (valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_Y) ||
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valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_MT_Y))
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value = &h;
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else
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continue;
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*value = (valuator_info->max - valuator_info->min) * 1000 / valuator_info->resolution;
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}
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*width = w;
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*height = h;
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XIFreeDeviceInfo (info);
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return (w != 0 && h != 0);
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}
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