mirror of
https://github.com/brl/mutter.git
synced 2024-11-22 16:10:41 -05:00
393 lines
9.1 KiB
C
393 lines
9.1 KiB
C
/*
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* Copyright (C) 2009 Red Hat, Inc.
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* Copyright (C) 2012 Collabora Ltd.
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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 it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include <clutter/clutter.h>
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#ifdef CLUTTER_WINDOWING_X11
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <math.h>
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#include <linux/input.h>
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#include <linux/uinput.h>
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#include <dlfcn.h>
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#include <clutter/x11/clutter-x11.h>
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#define ABS_MAX_X 32768
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#define ABS_MAX_Y 32768
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#define TOUCH_POINTS 10
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static ClutterPoint gesture_points[] = {
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{ 100., 100. },
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{ 110., 100. },
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{ 120., 100. },
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{ 130., 100. },
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{ 140., 100. },
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{ 150., 100. },
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{ 160., 100. },
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{ 170., 100. },
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{ 180., 100. },
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{ 190., 100. },
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};
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typedef struct _State State;
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struct _State
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{
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gboolean pass;
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ClutterPoint gesture_points_to_check[TOUCH_POINTS];
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int gesture_points;
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};
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static int fd = -1;
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static void send_event(int fd, int type, int code, int value, int sec, int usec)
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{
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static int sec_offset = -1;
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static long last_time = -1;
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long newtime;
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struct input_event event;
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event.type = type;
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event.code = code;
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event.value = value;
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if (sec_offset == -1)
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sec_offset = sec;
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sec -= sec_offset;
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newtime = sec * 1000000 + usec;
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if (last_time > 0)
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usleep(newtime - last_time);
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gettimeofday(&event.time, NULL);
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if (write(fd, &event, sizeof(event)) < sizeof(event))
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perror("Send event failed.");
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last_time = newtime;
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}
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static gboolean
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event_cb (ClutterActor *actor, ClutterEvent *event, State *state)
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{
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int i;
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if (event->type != CLUTTER_TOUCH_BEGIN &&
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event->type != CLUTTER_TOUCH_UPDATE)
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return FALSE;
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state->gesture_points_to_check[state->gesture_points].x = ceil (event->touch.x);
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state->gesture_points_to_check[state->gesture_points].y = ceil (event->touch.y);
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state->gesture_points++;
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if (state->gesture_points == TOUCH_POINTS)
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{
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for (i = 0; i < TOUCH_POINTS; i++)
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{
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if (state->gesture_points_to_check[i].x != gesture_points[i].x ||
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state->gesture_points_to_check[i].y != gesture_points[i].y)
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{
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if (g_test_verbose ())
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g_print ("error: expected (%d, %d) but found (%d, %d) at position %d\n",
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(int) gesture_points[i].x, (int) gesture_points[i].y,
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(int) state->gesture_points_to_check[i].x,
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(int) state->gesture_points_to_check[i].y,
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i);
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state->pass = FALSE;
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break;
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}
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}
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clutter_main_quit ();
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}
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return TRUE;
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}
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static void
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screen_coords_to_device (int screen_x, int screen_y,
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int *device_x, int *device_y)
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{
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int display_width = DisplayWidth (clutter_x11_get_default_display (),
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clutter_x11_get_default_screen ());
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int display_height = DisplayHeight (clutter_x11_get_default_display (),
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clutter_x11_get_default_screen ());
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*device_x = (screen_x * ABS_MAX_X) / display_width;
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*device_y = (screen_y * ABS_MAX_Y) / display_height;
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}
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static gboolean
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perform_gesture (gpointer data)
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{
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int i;
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for (i = 0; i < TOUCH_POINTS; i++)
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{
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int x = gesture_points[i].x;
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int y = gesture_points[i].y;
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screen_coords_to_device (x, y, &x, &y);
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send_event(fd, EV_ABS, ABS_MT_SLOT, 0, 1, i * 100);
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send_event(fd, EV_ABS, ABS_MT_TRACKING_ID, 1, 1, i * 100 + 10);
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send_event(fd, EV_ABS, ABS_MT_POSITION_X, x, 1, i * 100 + 20);
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send_event(fd, EV_ABS, ABS_MT_POSITION_Y, y, 1, i * 100 + 30);
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send_event(fd, EV_SYN, SYN_MT_REPORT, 0, 1, i * 100 + 40);
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send_event(fd, EV_SYN, SYN_REPORT, 0, 1, i * 100 + 50);
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}
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send_event(fd, EV_ABS, ABS_MT_TRACKING_ID, -1, 1, TOUCH_POINTS * 100 + 10);
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send_event(fd, EV_SYN, SYN_MT_REPORT, 0, 1, TOUCH_POINTS * 100 + 20);
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send_event(fd, EV_SYN, SYN_REPORT, 0, 1, TOUCH_POINTS * 100 + 30);
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return G_SOURCE_REMOVE;
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}
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static int
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setup (struct uinput_user_dev *dev, int fd)
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{
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strcpy (dev->name, "eGalax Touch Screen");
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dev->id.bustype = 0x18;
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dev->id.vendor = 0xeef;
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dev->id.product = 0x20;
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dev->id.version = 0x1;
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if (ioctl (fd, UI_SET_EVBIT, EV_SYN) == -1)
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goto error;
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if (ioctl (fd, UI_SET_EVBIT, EV_KEY) == -1)
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goto error;
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if (ioctl (fd, UI_SET_KEYBIT, BTN_TOUCH) == -1)
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goto error;
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if (ioctl (fd, UI_SET_EVBIT, EV_ABS) == -1)
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goto error;
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if (ioctl (fd, UI_SET_ABSBIT, ABS_X) == -1)
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goto error;
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else
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{
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int idx = ABS_X;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = ABS_MAX_X;
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dev->absfuzz[idx] = 1;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_Y) == -1)
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goto error;
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else
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{
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int idx = ABS_Y;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = ABS_MAX_Y;
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dev->absfuzz[idx] = 1;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_PRESSURE) == -1)
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goto error;
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else
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{
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int idx = ABS_PRESSURE;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = 0;
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dev->absfuzz[idx] = 0;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_TOUCH_MAJOR) == -1)
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goto error;
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else
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{
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int idx = ABS_MT_TOUCH_MAJOR;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = 255;
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dev->absfuzz[idx] = 1;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_WIDTH_MAJOR) == -1)
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goto error;
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else
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{
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int idx = ABS_MT_WIDTH_MAJOR;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = 255;
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dev->absfuzz[idx] = 1;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_POSITION_X) == -1)
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goto error;
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else
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{
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int idx = ABS_MT_POSITION_X;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = ABS_MAX_X;
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dev->absfuzz[idx] = 1;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_POSITION_Y) == -1)
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goto error;
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else
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{
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int idx = ABS_MT_POSITION_Y;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = ABS_MAX_Y;
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dev->absfuzz[idx] = 1;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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if (ioctl (fd, UI_SET_ABSBIT, ABS_MT_TRACKING_ID) == -1)
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goto error;
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else
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{
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int idx = ABS_MT_TRACKING_ID;
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dev->absmin[idx] = 0;
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dev->absmax[idx] = 5;
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dev->absfuzz[idx] = 0;
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dev->absflat[idx] = 0;
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if (dev->absmin[idx] == dev->absmax[idx])
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dev->absmax[idx]++;
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}
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return 0;
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error:
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perror ("ioctl failed.");
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return -1;
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}
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static int
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init_uinput (void)
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{
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struct uinput_user_dev dev;
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fd = open ("/dev/uinput", O_RDWR);
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if (fd < 0 && errno == ENODEV)
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fd = open ("/dev/input/uinput", O_RDWR);
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if (fd < 0)
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{
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if (g_test_verbose ())
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perror ("open");
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return 0;
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};
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memset (&dev, 0, sizeof (dev));
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setup (&dev, fd);
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if (write (fd, &dev, sizeof (dev)) < sizeof (dev))
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{
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if (g_test_verbose ())
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perror ("write");
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goto error;
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}
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if (ioctl (fd, UI_DEV_CREATE, NULL) == -1)
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{
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if (g_test_verbose ())
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perror ("ioctl");
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goto error;
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}
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return 1;
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error:
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if (fd != -1)
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close (fd);
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return 0;
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}
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#endif /* CLUTTER_WINDOWING_X11 */
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static void
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events_touch (void)
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{
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#ifdef CLUTTER_WINDOWING_X11
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ClutterActor *stage;
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State state;
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/* bail out if we could not initialize evdev */
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if (!init_uinput ())
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return;
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state.pass = TRUE;
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state.gesture_points = 0;
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stage = clutter_test_get_stage ();
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g_signal_connect (stage, "event", G_CALLBACK (event_cb), &state);
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clutter_stage_set_fullscreen (CLUTTER_STAGE (stage), TRUE);
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clutter_actor_show (stage);
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clutter_threads_add_timeout (500, perform_gesture, &state);
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clutter_main ();
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if (g_test_verbose ())
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g_print ("end result: %s\n", state.pass ? "pass" : "FAIL");
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g_assert (state.pass);
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#endif /* CLUTTER_WINDOWING_X11 */
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}
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CLUTTER_TEST_SUITE (
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CLUTTER_TEST_UNIT ("/events/touch", events_touch)
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)
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