| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <fcntl.h> |
| #include <dirent.h> |
| #include <sys/poll.h> |
| #include <limits.h> |
| #include <linux/input.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <fstream> |
| |
| #ifdef USE_QTI_HAPTICS |
| #include <android/hardware/vibrator/1.2/IVibrator.h> |
| #endif |
| |
| #include "../common.h" |
| |
| #include "minui.h" |
| |
| //#define _EVENT_LOGGING |
| |
| #define MAX_DEVICES 32 |
| |
| #define VIBRATOR_TIMEOUT_FILE "/sys/class/timed_output/vibrator/enable" |
| #define VIBRATOR_TIME_MS 50 |
| |
| #define LEDS_HAPTICS_DURATION_FILE "/sys/class/leds/vibrator/duration" |
| #define LEDS_HAPTICS_ACTIVATE_FILE "/sys/class/leds/vibrator/activate" |
| |
| #ifndef SYN_REPORT |
| #define SYN_REPORT 0x00 |
| #endif |
| #ifndef SYN_CONFIG |
| #define SYN_CONFIG 0x01 |
| #endif |
| #ifndef SYN_MT_REPORT |
| #define SYN_MT_REPORT 0x02 |
| #endif |
| |
| #define ABS_MT_POSITION 0x2a /* Group a set of X and Y */ |
| #define ABS_MT_AMPLITUDE 0x2b /* Group a set of Z and W */ |
| #define ABS_MT_SLOT 0x2f |
| #define ABS_MT_TOUCH_MAJOR 0x30 |
| #define ABS_MT_TOUCH_MINOR 0x31 |
| #define ABS_MT_WIDTH_MAJOR 0x32 |
| #define ABS_MT_WIDTH_MINOR 0x33 |
| #define ABS_MT_ORIENTATION 0x34 |
| #define ABS_MT_POSITION_X 0x35 |
| #define ABS_MT_POSITION_Y 0x36 |
| #define ABS_MT_TOOL_TYPE 0x37 |
| #define ABS_MT_BLOB_ID 0x38 |
| #define ABS_MT_TRACKING_ID 0x39 |
| #define ABS_MT_PRESSURE 0x3a |
| #define ABS_MT_DISTANCE 0x3b |
| |
| enum { |
| DOWN_NOT, |
| DOWN_SENT, |
| DOWN_RELEASED, |
| }; |
| |
| struct virtualkey { |
| int scancode; |
| int centerx, centery; |
| int width, height; |
| }; |
| |
| struct position { |
| int x, y; |
| int synced; |
| struct input_absinfo xi, yi; |
| }; |
| |
| struct ev { |
| struct pollfd *fd; |
| |
| struct virtualkey *vks; |
| int vk_count; |
| |
| char deviceName[64]; |
| |
| int ignored; |
| |
| struct position p, mt_p; |
| int down; |
| }; |
| |
| static struct pollfd ev_fds[MAX_DEVICES]; |
| static struct ev evs[MAX_DEVICES]; |
| static unsigned ev_count = 0; |
| static struct timeval lastInputStat; |
| static time_t lastInputMTime; |
| static int has_mouse = 0; |
| |
| static inline int ABS(int x) { |
| return x<0?-x:x; |
| } |
| |
| int write_to_file(const std::string& fn, const std::string& line) { |
| FILE *file; |
| file = fopen(fn.c_str(), "w"); |
| if (file != NULL) { |
| fwrite(line.c_str(), line.size(), 1, file); |
| fclose(file); |
| return 0; |
| } |
| LOGI("Cannot find file %s\n", fn.c_str()); |
| return -1; |
| } |
| |
| #ifndef TW_NO_HAPTICS |
| #ifndef TW_HAPTICS_TSPDRV |
| int vibrate(int timeout_ms) |
| { |
| if (timeout_ms > 10000) timeout_ms = 1000; |
| char tout[6]; |
| sprintf(tout, "%i", timeout_ms); |
| |
| #ifdef USE_QTI_HAPTICS |
| android::sp<android::hardware::vibrator::V1_2::IVibrator> vib = android::hardware::vibrator::V1_2::IVibrator::getService(); |
| if (vib != nullptr) { |
| vib->on((uint32_t)timeout_ms); |
| } |
| #else |
| if (std::ifstream(LEDS_HAPTICS_ACTIVATE_FILE).good()) { |
| write_to_file(LEDS_HAPTICS_DURATION_FILE, tout); |
| write_to_file(LEDS_HAPTICS_ACTIVATE_FILE, "1"); |
| } else |
| write_to_file(VIBRATOR_TIMEOUT_FILE, tout); |
| #endif |
| return 0; |
| } |
| #endif |
| #endif |
| |
| /* Returns empty tokens */ |
| static char *vk_strtok_r(char *str, const char *delim, char **save_str) |
| { |
| if(!str) |
| { |
| if(!*save_str) |
| return NULL; |
| |
| str = (*save_str) + 1; |
| } |
| *save_str = strpbrk(str, delim); |
| |
| if (*save_str) |
| **save_str = '\0'; |
| |
| return str; |
| } |
| |
| static int vk_init(struct ev *e) |
| { |
| char vk_path[PATH_MAX] = "/sys/board_properties/virtualkeys."; |
| char vks[2048], *ts = NULL; |
| ssize_t len; |
| int vk_fd; |
| int i; |
| |
| e->vk_count = 0; |
| |
| len = strlen(vk_path); |
| len = ioctl(e->fd->fd, EVIOCGNAME(sizeof(e->deviceName)), e->deviceName); |
| if (len <= 0) |
| { |
| LOGE("Unable to query event object.\n"); |
| return -1; |
| } |
| #ifdef _EVENT_LOGGING |
| printf("Event object: %s\n", e->deviceName); |
| #endif |
| |
| #ifdef WHITELIST_INPUT |
| if (strcmp(e->deviceName, EXPAND(WHITELIST_INPUT)) != 0) |
| { |
| e->ignored = 1; |
| } |
| #else |
| #ifndef TW_INPUT_BLACKLIST |
| // Blacklist these "input" devices, use TW_INPUT_BLACKLIST := "accelerometer\x0atest1\x0atest2" using the \x0a as a separator between input devices |
| if (strcmp(e->deviceName, "bma250") == 0 || strcmp(e->deviceName, "bma150") == 0) |
| { |
| LOGI("Blacklisting input device: %s\n", e->deviceName); |
| e->ignored = 1; |
| } |
| #else |
| char* bl = strdup(EXPAND(TW_INPUT_BLACKLIST)); |
| char* blacklist = strtok(bl, "\n"); |
| |
| while (blacklist != NULL) { |
| if (strcmp(e->deviceName, blacklist) == 0) { |
| LOGI("Blacklisting input device: %s\n", blacklist); |
| e->ignored = 1; |
| } |
| blacklist = strtok(NULL, "\n"); |
| } |
| free(bl); |
| #endif |
| #endif |
| |
| strcat(vk_path, e->deviceName); |
| |
| // Some devices split the keys from the touchscreen |
| e->vk_count = 0; |
| vk_fd = open(vk_path, O_RDONLY); |
| if (vk_fd >= 0) |
| { |
| len = read(vk_fd, vks, sizeof(vks)-1); |
| close(vk_fd); |
| if (len <= 0) |
| return -1; |
| |
| vks[len] = '\0'; |
| |
| /* Parse a line like: |
| keytype:keycode:centerx:centery:width:height:keytype2:keycode2:centerx2:... |
| */ |
| for (ts = vks, e->vk_count = 1; *ts; ++ts) { |
| if (*ts == ':') |
| ++e->vk_count; |
| } |
| |
| if (e->vk_count % 6) { |
| LOGI("minui: %s is %d %% 6\n", vk_path, e->vk_count % 6); |
| } |
| e->vk_count /= 6; |
| if (e->vk_count <= 0) |
| return -1; |
| |
| e->down = DOWN_NOT; |
| } |
| |
| ioctl(e->fd->fd, EVIOCGABS(ABS_X), &e->p.xi); |
| ioctl(e->fd->fd, EVIOCGABS(ABS_Y), &e->p.yi); |
| e->p.synced = 0; |
| #ifdef _EVENT_LOGGING |
| printf("EV: ST minX: %d maxX: %d minY: %d maxY: %d\n", e->p.xi.minimum, e->p.xi.maximum, e->p.yi.minimum, e->p.yi.maximum); |
| #endif |
| |
| ioctl(e->fd->fd, EVIOCGABS(ABS_MT_POSITION_X), &e->mt_p.xi); |
| ioctl(e->fd->fd, EVIOCGABS(ABS_MT_POSITION_Y), &e->mt_p.yi); |
| e->mt_p.synced = 0; |
| #ifdef _EVENT_LOGGING |
| printf("EV: MT minX: %d maxX: %d minY: %d maxY: %d\n", e->mt_p.xi.minimum, e->mt_p.xi.maximum, e->mt_p.yi.minimum, e->mt_p.yi.maximum); |
| #endif |
| |
| e->vks = (virtualkey *)malloc(sizeof(*e->vks) * e->vk_count); |
| |
| for (i = 0; i < e->vk_count; ++i) { |
| char *token[6]; |
| int j; |
| |
| for (j = 0; j < 6; ++j) { |
| token[j] = vk_strtok_r((i||j)?NULL:vks, ":", &ts); |
| } |
| |
| if (strcmp(token[0], "0x01") != 0) { |
| /* Java does string compare, so we do too. */ |
| LOGI("minui: %s: ignoring unknown virtual key type %s\n", vk_path, token[0]); |
| continue; |
| } |
| |
| e->vks[i].scancode = strtol(token[1], NULL, 0); |
| e->vks[i].centerx = strtol(token[2], NULL, 0); |
| e->vks[i].centery = strtol(token[3], NULL, 0); |
| e->vks[i].width = strtol(token[4], NULL, 0); |
| e->vks[i].height = strtol(token[5], NULL, 0); |
| } |
| |
| return 0; |
| } |
| |
| #define BITS_PER_LONG (sizeof(long) * 8) |
| #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1) |
| #define OFF(x) ((x)%BITS_PER_LONG) |
| #define LONG(x) ((x)/BITS_PER_LONG) |
| #define test_bit(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1) |
| |
| // Check for EV_REL (REL_X and REL_Y) and, because touchscreens can have those too, |
| // check also for EV_KEY (BTN_LEFT and BTN_RIGHT) |
| static void check_mouse(int fd, const char* deviceName) |
| { |
| if(has_mouse) |
| return; |
| |
| unsigned long bit[EV_MAX][NBITS(KEY_MAX)]; |
| memset(bit, 0, sizeof(bit)); |
| ioctl(fd, EVIOCGBIT(0, EV_MAX), bit[0]); |
| |
| if(!test_bit(EV_REL, bit[0]) || !test_bit(EV_KEY, bit[0])) |
| return; |
| |
| ioctl(fd, EVIOCGBIT(EV_REL, KEY_MAX), bit[EV_REL]); |
| if(!test_bit(REL_X, bit[EV_REL]) || !test_bit(REL_Y, bit[EV_REL])) |
| return; |
| |
| ioctl(fd, EVIOCGBIT(EV_KEY, KEY_MAX), bit[EV_KEY]); |
| if(!test_bit(BTN_LEFT, bit[EV_KEY]) || !test_bit(BTN_RIGHT, bit[EV_KEY])) |
| return; |
| |
| LOGI("Found mouse '%s'\n", deviceName); |
| has_mouse = 1; |
| } |
| |
| int ev_has_mouse(void) |
| { |
| return has_mouse; |
| } |
| |
| int ev_init(void) |
| { |
| DIR *dir; |
| struct dirent *de; |
| int fd; |
| |
| has_mouse = 0; |
| |
| dir = opendir("/dev/input"); |
| if(dir != 0) { |
| while((de = readdir(dir))) { |
| #ifdef _EVENT_LOGGING |
| fprintf(stderr,"/dev/input/%s\n", de->d_name); |
| #endif |
| if(strncmp(de->d_name,"event",5)) continue; |
| fd = openat(dirfd(dir), de->d_name, O_RDONLY); |
| if(fd < 0) continue; |
| |
| ev_fds[ev_count].fd = fd; |
| ev_fds[ev_count].events = POLLIN; |
| evs[ev_count].fd = &ev_fds[ev_count]; |
| |
| /* Load virtualkeys if there are any */ |
| vk_init(&evs[ev_count]); |
| |
| if (!evs[ev_count].ignored) |
| check_mouse(fd, evs[ev_count].deviceName); |
| |
| ev_count++; |
| if(ev_count == MAX_DEVICES) break; |
| } |
| closedir(dir); |
| } |
| |
| struct stat st; |
| if(stat("/dev/input", &st) >= 0) |
| lastInputMTime = st.st_mtime; |
| gettimeofday(&lastInputStat, NULL); |
| |
| return 0; |
| } |
| |
| void ev_exit(void) |
| { |
| while (ev_count-- > 0) { |
| if (evs[ev_count].vk_count) { |
| free(evs[ev_count].vks); |
| evs[ev_count].vk_count = 0; |
| } |
| close(ev_fds[ev_count].fd); |
| } |
| ev_count = 0; |
| } |
| |
| /*static int vk_inside_display(__s32 value, struct input_absinfo *info, int screen_size) |
| { |
| int screen_pos; |
| |
| if (info->minimum == info->maximum) |
| return 0; |
| |
| screen_pos = (value - info->minimum) * (screen_size - 1) / (info->maximum - info->minimum); |
| return (screen_pos >= 0 && screen_pos < screen_size); |
| }*/ |
| |
| static int vk_tp_to_screen(struct position *p, int *x, int *y) |
| { |
| if (p->xi.minimum == p->xi.maximum || p->yi.minimum == p->yi.maximum) |
| { |
| // In this case, we assume the screen dimensions are the same. |
| *x = p->x; |
| *y = p->y; |
| return 0; |
| } |
| |
| #ifdef _EVENT_LOGGING |
| printf("EV: p->x=%d x-range=%d,%d fb-width=%d\n", p->x, p->xi.minimum, p->xi.maximum, gr_fb_width()); |
| #endif |
| |
| #ifndef RECOVERY_TOUCHSCREEN_SWAP_XY |
| int fb_width = gr_fb_width(); |
| int fb_height = gr_fb_height(); |
| #else |
| // We need to swap the scaling sizes, too |
| int fb_width = gr_fb_height(); |
| int fb_height = gr_fb_width(); |
| #endif |
| |
| *x = (p->x - p->xi.minimum) * (fb_width - 1) / (p->xi.maximum - p->xi.minimum); |
| *y = (p->y - p->yi.minimum) * (fb_height - 1) / (p->yi.maximum - p->yi.minimum); |
| |
| if (*x >= 0 && *x < fb_width && |
| *y >= 0 && *y < fb_height) |
| { |
| return 0; |
| } |
| |
| return 1; |
| } |
| |
| /* Translate a virtual key in to a real key event, if needed */ |
| /* Returns non-zero when the event should be consumed */ |
| static int vk_modify(struct ev *e, struct input_event *ev) |
| { |
| static int downX = -1, downY = -1; |
| static int discard = 0; |
| static int last_virt_key = 0; |
| static int lastWasSynReport = 0; |
| static int touchReleaseOnNextSynReport = 0; |
| static int use_tracking_id_negative_as_touch_release = 0; // On some devices, type: 3 code: 39 value: -1, aka EV_ABS ABS_MT_TRACKING_ID -1 indicates a true touch release |
| int i; |
| int x, y; |
| |
| // This is used to ditch useless event handlers, like an accelerometer |
| if (e->ignored) return 1; |
| |
| if (ev->type == EV_REL && ev->code == REL_Z) |
| { |
| // This appears to be an accelerometer or another strange input device. It's not the touchscreen. |
| #ifdef _EVENT_LOGGING |
| printf("EV: Device disabled due to non-touchscreen messages.\n"); |
| #endif |
| e->ignored = 1; |
| return 1; |
| } |
| |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => type: %x code: %x value: %d\n", e->deviceName, ev->type, ev->code, ev->value); |
| #endif |
| |
| // Handle keyboard events, value of 1 indicates key down, 0 indicates key up |
| if (ev->type == EV_KEY) { |
| return 0; |
| } |
| |
| if (ev->type == EV_ABS) { |
| switch (ev->code) { |
| |
| case ABS_X: //00 |
| e->p.synced |= 0x01; |
| e->p.x = ev->value; |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_X %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_Y: //01 |
| e->p.synced |= 0x02; |
| e->p.y = ev->value; |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_Y %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_POSITION: //2a |
| e->mt_p.synced = 0x03; |
| if (ev->value == (1 << 31)) |
| { |
| #ifndef TW_IGNORE_MT_POSITION_0 |
| e->mt_p.x = 0; |
| e->mt_p.y = 0; |
| lastWasSynReport = 1; |
| #endif |
| #ifdef _EVENT_LOGGING |
| #ifndef TW_IGNORE_MT_POSITION_0 |
| printf("EV: %s => EV_ABS ABS_MT_POSITION %d, set x and y to 0 and lastWasSynReport to 1\n", e->deviceName, ev->value); |
| #else |
| printf("Ignoring ABS_MT_POSITION 0\n", e->deviceName, ev->value); |
| #endif |
| #endif |
| } |
| else |
| { |
| lastWasSynReport = 0; |
| e->mt_p.x = (ev->value & 0x7FFF0000) >> 16; |
| e->mt_p.y = (ev->value & 0xFFFF); |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_POSITION %d, set x: %d and y: %d and lastWasSynReport to 0\n", e->deviceName, ev->value, (ev->value & 0x7FFF0000) >> 16, (ev->value & 0xFFFF)); |
| #endif |
| } |
| break; |
| |
| case ABS_MT_TOUCH_MAJOR: //30 |
| if (ev->value == 0) |
| { |
| #ifndef TW_IGNORE_MAJOR_AXIS_0 |
| // We're in a touch release, although some devices will still send positions as well |
| e->mt_p.x = 0; |
| e->mt_p.y = 0; |
| touchReleaseOnNextSynReport = 1; |
| #endif |
| } |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_TOUCH_MAJOR %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_PRESSURE: //3a |
| if (ev->value == 0) |
| { |
| // We're in a touch release, although some devices will still send positions as well |
| e->mt_p.x = 0; |
| e->mt_p.y = 0; |
| touchReleaseOnNextSynReport = 1; |
| } |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_PRESSURE %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_POSITION_X: //35 |
| e->mt_p.synced |= 0x01; |
| e->mt_p.x = ev->value; |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_POSITION_X %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_POSITION_Y: //36 |
| e->mt_p.synced |= 0x02; |
| e->mt_p.y = ev->value; |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_POSITION_Y %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_TOUCH_MINOR: //31 |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_TOUCH_MINOR %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_WIDTH_MAJOR: //32 |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_WIDTH_MAJOR %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_WIDTH_MINOR: //33 |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_WIDTH_MINOR %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| case ABS_MT_TRACKING_ID: //39 |
| #ifdef TW_IGNORE_ABS_MT_TRACKING_ID |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_TRACKING_ID %d ignored\n", e->deviceName, ev->value); |
| #endif |
| return 1; |
| #endif |
| if (ev->value < 0) { |
| e->mt_p.x = 0; |
| e->mt_p.y = 0; |
| touchReleaseOnNextSynReport = 2; |
| use_tracking_id_negative_as_touch_release = 1; |
| #ifdef _EVENT_LOGGING |
| if (use_tracking_id_negative_as_touch_release) |
| printf("using ABS_MT_TRACKING_ID value -1 to indicate touch releases\n"); |
| #endif |
| } |
| #ifdef _EVENT_LOGGING |
| printf("EV: %s => EV_ABS ABS_MT_TRACKING_ID %d\n", e->deviceName, ev->value); |
| #endif |
| break; |
| |
| #ifdef _EVENT_LOGGING |
| // These are for touch logging purposes only |
| case ABS_MT_ORIENTATION: //34 |
| printf("EV: %s => EV_ABS ABS_MT_ORIENTATION %d\n", e->deviceName, ev->value); |
| return 1; |
| break; |
| |
| case ABS_MT_TOOL_TYPE: //37 |
| LOGI("EV: %s => EV_ABS ABS_MT_TOOL_TYPE %d\n", e->deviceName, ev->value); |
| return 1; |
| break; |
| |
| case ABS_MT_BLOB_ID: //38 |
| printf("EV: %s => EV_ABS ABS_MT_BLOB_ID %d\n", e->deviceName, ev->value); |
| return 1; |
| break; |
| |
| case ABS_MT_DISTANCE: //3b |
| printf("EV: %s => EV_ABS ABS_MT_DISTANCE %d\n", e->deviceName, ev->value); |
| return 1; |
| break; |
| case ABS_MT_SLOT: |
| printf("EV: %s => ABS_MT_SLOT %d\n", e->deviceName, ev->value); |
| return 1; |
| break; |
| #endif |
| |
| default: |
| // This is an unhandled message, just skip it |
| return 1; |
| } |
| |
| if (ev->code != ABS_MT_POSITION) |
| { |
| lastWasSynReport = 0; |
| return 1; |
| } |
| } |
| |
| // Check if we should ignore the message |
| if (ev->code != ABS_MT_POSITION && (ev->type != EV_SYN || (ev->code != SYN_REPORT && ev->code != SYN_MT_REPORT))) |
| { |
| lastWasSynReport = 0; |
| return 0; |
| } |
| |
| #ifdef _EVENT_LOGGING |
| if (ev->type == EV_SYN && ev->code == SYN_REPORT) |
| printf("EV: %s => EV_SYN SYN_REPORT\n", e->deviceName); |
| if (ev->type == EV_SYN && ev->code == SYN_MT_REPORT) |
| printf("EV: %s => EV_SYN SYN_MT_REPORT\n", e->deviceName); |
| #endif |
| |
| // Discard the MT versions |
| if (ev->code == SYN_MT_REPORT) return 0; |
| |
| if (((lastWasSynReport == 1 || touchReleaseOnNextSynReport == 1) && !use_tracking_id_negative_as_touch_release) || (use_tracking_id_negative_as_touch_release && touchReleaseOnNextSynReport == 2)) |
| { |
| // Reset the value |
| touchReleaseOnNextSynReport = 0; |
| |
| // We are a finger-up state |
| if (!discard) |
| { |
| // Report the key up |
| ev->type = EV_ABS; |
| ev->code = 0; |
| ev->value = (downX << 16) | downY; |
| } |
| downX = -1; |
| downY = -1; |
| if (discard) |
| { |
| discard = 0; |
| |
| // Send the keyUp event |
| ev->type = EV_KEY; |
| ev->code = last_virt_key; |
| ev->value = 0; |
| } |
| return 0; |
| } |
| lastWasSynReport = 1; |
| |
| // Retrieve where the x,y position is |
| if (e->p.synced & 0x03) |
| { |
| vk_tp_to_screen(&e->p, &x, &y); |
| } |
| else if (e->mt_p.synced & 0x03) |
| { |
| vk_tp_to_screen(&e->mt_p, &x, &y); |
| } |
| else |
| { |
| // We don't have useful information to convey |
| return 1; |
| } |
| |
| #ifdef RECOVERY_TOUCHSCREEN_SWAP_XY |
| x ^= y; |
| y ^= x; |
| x ^= y; |
| #endif |
| #ifdef RECOVERY_TOUCHSCREEN_FLIP_X |
| x = gr_fb_width() - x; |
| #endif |
| #ifdef RECOVERY_TOUCHSCREEN_FLIP_Y |
| y = gr_fb_height() - y; |
| #endif |
| |
| #ifdef _EVENT_LOGGING |
| printf("EV: x: %d y: %d\n", x, y); |
| #endif |
| |
| // Clear the current sync states |
| e->p.synced = e->mt_p.synced = 0; |
| |
| // If we have nothing useful to report, skip it |
| if (x == -1 || y == -1) return 1; |
| |
| // Special case, we'll ignore touches on 0,0 because it usually means |
| // that we received extra data after our last sync and x and y were |
| // reset to 0. We should not be using 0,0 anyway. |
| if (x == 0 && y == 0) |
| return 1; |
| |
| // On first touch, see if we're at a virtual key |
| if (downX == -1) |
| { |
| // Attempt mapping to virtual key |
| for (i = 0; i < e->vk_count; ++i) |
| { |
| int xd = ABS(e->vks[i].centerx - x); |
| int yd = ABS(e->vks[i].centery - y); |
| |
| if (xd < e->vks[i].width/2 && yd < e->vks[i].height/2) |
| { |
| ev->type = EV_KEY; |
| ev->code = e->vks[i].scancode; |
| ev->value = 1; |
| |
| last_virt_key = e->vks[i].scancode; |
| |
| #ifndef TW_NO_HAPTICS |
| vibrate(VIBRATOR_TIME_MS); |
| #endif |
| |
| // Mark that all further movement until lift is discard, |
| // and make sure we don't come back into this area |
| discard = 1; |
| downX = 0; |
| return 0; |
| } |
| } |
| } |
| |
| // If we were originally a button press, discard this event |
| if (discard) |
| { |
| return 1; |
| } |
| |
| // Record where we started the touch for deciding if this is a key or a scroll |
| downX = x; |
| downY = y; |
| |
| ev->type = EV_ABS; |
| ev->code = 1; |
| ev->value = (x << 16) | y; |
| return 0; |
| } |
| |
| int ev_get(struct input_event *ev, int timeout_ms) |
| { |
| int r; |
| unsigned n; |
| struct timeval curr; |
| |
| gettimeofday(&curr, NULL); |
| if(curr.tv_sec - lastInputStat.tv_sec >= 2) |
| { |
| struct stat st; |
| stat("/dev/input", &st); |
| if (st.st_mtime > lastInputMTime) |
| { |
| LOGI("Reloading input devices\n"); |
| ev_exit(); |
| ev_init(); |
| lastInputMTime = st.st_mtime; |
| } |
| lastInputStat = curr; |
| } |
| |
| r = poll(ev_fds, ev_count, timeout_ms); |
| |
| if(r > 0) { |
| for(n = 0; n < ev_count; n++) { |
| if(ev_fds[n].revents & POLLIN) { |
| r = read(ev_fds[n].fd, ev, sizeof(*ev)); |
| if(r == sizeof(*ev)) { |
| if (!vk_modify(&evs[n], ev)) |
| return 0; |
| } |
| } |
| } |
| return -1; |
| } |
| |
| return -2; |
| } |
| |
| int ev_wait(int timeout __unused) |
| { |
| return -1; |
| } |
| |
| void ev_dispatch(void) |
| { |
| return; |
| } |
| |
| int ev_get_input(int fd __unused, short revents __unused, struct input_event *ev __unused) |
| { |
| return -1; |
| } |