void swipe_handle_input(int fd, struct input_event *ev) {
    int abs_store[6] = {0};
    int k;

    ioctl(fd, EVIOCGABS(ABS_MT_POSITION_X), abs_store);
    int max_x_touch = abs_store[2];

    ioctl(fd, EVIOCGABS(ABS_MT_POSITION_Y), abs_store);
    int max_y_touch = abs_store[2];

    if(ev->type == EV_ABS && ev->code == ABS_MT_TRACKING_ID) {
        if(in_touch == 0) {
            in_touch = 1;
            reset_gestures();
        } else { // finger lifted
            ev->type = EV_KEY;
            int keywidth = gr_fb_width() / 4;
            if(slide_right == 1) {
                ev->code = KEY_POWER;
                slide_right = 0;
            } else if(slide_left == 1) {
                ev->code = KEY_BACK;
                slide_left = 0;
            }

            ev->value = 1;
            in_touch = 0;
            reset_gestures();
        }
    } else if(ev->type == EV_ABS && ev->code == ABS_MT_POSITION_X) {
        old_x = touch_x;
        float touch_x_rel = (float)ev->value / (float)max_x_touch;
        touch_x = touch_x_rel * gr_fb_width();

        if(old_x != 0) diff_x += touch_x - old_x;

        if(diff_x > 100) {
            slide_right = 1;
            reset_gestures();
        } else if(diff_x < -100) {
            slide_left = 1;
            reset_gestures();
        }
    } else if(ev->type == EV_ABS && ev->code == ABS_MT_POSITION_Y) {
        old_y = touch_y;
        float touch_y_rel = (float)ev->value / (float)max_y_touch;
        touch_y = touch_y_rel * gr_fb_height();

        if(old_y != 0) diff_y += touch_y - old_y;

        if(diff_y > 80) {
            ev->code = KEY_VOLUMEDOWN;
            ev->type = EV_KEY;
            reset_gestures();
        } else if(diff_y < -80) {
            ev->code = KEY_VOLUMEUP;
            ev->type = EV_KEY;
            reset_gestures();
        }
    }

    return;
}
Ejemplo n.º 2
0
static int input_callback(int fd, short revents, void *data)
{
    struct input_event ev;
    int ret;
    int fake_key = 0;
    gr_surface surface = gVirtualKeys;

    ret = ev_get_input(fd, revents, &ev);
    if (ret)
        return -1;

#ifdef BOARD_TOUCH_RECOVERY
    if (touch_handle_input(fd, ev))
      return 0;
#endif

    if (ev.type == EV_SYN) {
        return 0;
    } else if (ev.type == EV_REL) {
        if (ev.code == REL_Y) {
            // accumulate the up or down motion reported by
            // the trackball.  When it exceeds a threshold
            // (positive or negative), fake an up/down
            // key event.
            rel_sum += ev.value;
            if (rel_sum > 3) {
                fake_key = 1;
                ev.type = EV_KEY;
                ev.code = KEY_DOWN;
                ev.value = 1;
                rel_sum = 0;
            } else if (rel_sum < -3) {
                fake_key = 1;
                ev.type = EV_KEY;
                ev.code = KEY_UP;
                ev.value = 1;
                rel_sum = 0;
            }
        }
    } else {
        rel_sum = 0;
    }

    if (ev.type == 3 && ev.code == 48 && ev.value != 0) {
        if (in_touch == 0) {
            in_touch = 1; //starting to track touch...
            reset_gestures();
        }
    } else if (ev.type == 3 && ev.code == 48 && ev.value == 0) {
            //finger lifted! lets run with this
            ev.type = EV_KEY; //touch panel support!!!
            int keywidth = gr_get_width(surface) / 4;
            int keyoffset = (gr_fb_width() - gr_get_width(surface)) / 2;
            if (touch_y > (gr_fb_height() - gr_get_height(surface)) && touch_x > 0) {
                //they lifted in the touch panel region
                if (touch_x < (keywidth + keyoffset)) {
                    //down button
                    ev.code = KEY_DOWN;
                    reset_gestures();
                } else if (touch_x < ((keywidth * 2) + keyoffset)) {
                    //up button
                    ev.code = KEY_UP;
                    reset_gestures();
                } else if (touch_x < ((keywidth * 3) + keyoffset)) {
                    //back button
                    ev.code = KEY_BACK;
                    reset_gestures();
                } else {
                    //enter key
                    ev.code = KEY_ENTER;
                    reset_gestures();
                }
                vibrate(VIBRATOR_TIME_MS);
            }
            if (slide_right == 1) {
                ev.code = KEY_ENTER;
                slide_right = 0;
            } else if (slide_left == 1) {
                ev.code = KEY_BACK;
                slide_left = 0;
            }

            ev.value = 1;
            in_touch = 0;
            reset_gestures();
    } else if (ev.type == 3 && ev.code == 53) {
        old_x = touch_x;
        touch_x = ev.value;
        if (old_x != 0)
            diff_x += touch_x - old_x;

	if (touch_y < (gr_fb_height() - gr_get_height(surface))) {
            if (diff_x > (gr_fb_width() / 4)) {
                slide_right = 1;
                reset_gestures();
    } else if(diff_x < ((gr_fb_width() / 4) * -1)) {
                slide_left = 1;
                reset_gestures();
            }
        } else {
            input_buttons();
            //reset_gestures();
        }
    } else if (ev.type == 3 && ev.code == 54) {
        old_y = touch_y;
        touch_y = ev.value;
        if (old_y != 0)
            diff_y += touch_y - old_y;

    if (touch_y < (gr_fb_height() - gr_get_height(surface))) {
            if (diff_y > 25) {
                ev.code = KEY_DOWN;
                ev.type = EV_KEY;
                reset_gestures();
	} else if (diff_y < -25) {
                ev.code = KEY_UP;
                ev.type = EV_KEY;
                reset_gestures();
            }
        } else {
            input_buttons();
            //reset_gestures();
        }
    }

    if (ev.type != EV_KEY || ev.code > KEY_MAX)
        return 0;

    pthread_mutex_lock(&key_queue_mutex);
    if (!fake_key) {
        // our "fake" keys only report a key-down event (no
        // key-up), so don't record them in the key_pressed
        // table.
        key_pressed[ev.code] = ev.value;
    }
    const int queue_max = sizeof(key_queue) / sizeof(key_queue[0]);
    if (ev.value > 0 && key_queue_len < queue_max) {
        key_queue[key_queue_len++] = ev.code;

        if (boardEnableKeyRepeat) {
            struct timeval now;
            gettimeofday(&now, NULL);

            key_press_time[ev.code] = (now.tv_sec * 1000) + (now.tv_usec / 1000);
            key_last_repeat[ev.code] = 0;
        }

        pthread_cond_signal(&key_queue_cond);
    }
    pthread_mutex_unlock(&key_queue_mutex);

    if (ev.value > 0 && device_toggle_display(key_pressed, ev.code)) {
        pthread_mutex_lock(&gUpdateMutex);
        show_text = !show_text;
        if (show_text) show_text_ever = 1;
        update_screen_locked();
        pthread_mutex_unlock(&gUpdateMutex);
    }

    if (ev.value > 0 && device_reboot_now(key_pressed, ev.code)) {
        android_reboot(ANDROID_RB_RESTART, 0, 0);
    }

    return 0;
}