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-rw-r--r--src/GlobalHotkeysJoystick.cpp317
1 files changed, 0 insertions, 317 deletions
diff --git a/src/GlobalHotkeysJoystick.cpp b/src/GlobalHotkeysJoystick.cpp
deleted file mode 100644
index 822a73a..0000000
--- a/src/GlobalHotkeysJoystick.cpp
+++ /dev/null
@@ -1,317 +0,0 @@
-#include "../include/GlobalHotkeysJoystick.hpp"
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/eventfd.h>
-
-namespace gsr {
- static constexpr int button_pressed = 1;
- static constexpr int cross_button = 0;
- static constexpr int triangle_button = 2;
- static constexpr int options_button = 9;
- static constexpr int playstation_button = 10;
- static constexpr int axis_up_down = 7;
- static constexpr int axis_left_right = 6;
-
- // Returns -1 on error
- static int get_js_dev_input_id_from_filepath(const char *dev_input_filepath) {
- if(strncmp(dev_input_filepath, "/dev/input/js", 13) != 0)
- return -1;
-
- int dev_input_id = -1;
- if(sscanf(dev_input_filepath + 13, "%d", &dev_input_id) == 1)
- return dev_input_id;
- return -1;
- }
-
- GlobalHotkeysJoystick::~GlobalHotkeysJoystick() {
- if(event_fd > 0) {
- const uint64_t exit = 1;
- write(event_fd, &exit, sizeof(exit));
- }
-
- if(read_thread.joinable())
- read_thread.join();
-
- if(event_fd > 0)
- close(event_fd);
-
- for(int i = 0; i < num_poll_fd; ++i) {
- close(poll_fd[i].fd);
- }
- }
-
- bool GlobalHotkeysJoystick::start() {
- if(num_poll_fd > 0)
- return false;
-
- event_fd = eventfd(0, 0);
- if(event_fd <= 0)
- return false;
-
- event_index = num_poll_fd;
- poll_fd[num_poll_fd] = {
- event_fd,
- POLLIN,
- 0
- };
- extra_data[num_poll_fd] = {
- -1
- };
- ++num_poll_fd;
-
- if(!hotplug.start()) {
- fprintf(stderr, "Warning: failed to setup hotplugging\n");
- } else {
- hotplug_poll_index = num_poll_fd;
- poll_fd[num_poll_fd] = {
- hotplug.steal_fd(),
- POLLIN,
- 0
- };
- extra_data[num_poll_fd] = {
- -1
- };
- ++num_poll_fd;
- }
-
- char dev_input_path[128];
- for(int i = 0; i < 8; ++i) {
- snprintf(dev_input_path, sizeof(dev_input_path), "/dev/input/js%d", i);
- add_device(dev_input_path, false);
- }
-
- if(num_poll_fd == 0)
- fprintf(stderr, "Info: no joysticks found, assuming they might be connected later\n");
-
- read_thread = std::thread(&GlobalHotkeysJoystick::read_events, this);
- return true;
- }
-
- bool GlobalHotkeysJoystick::bind_action(const std::string &id, GlobalHotkeyCallback callback) {
- if(num_poll_fd == 0)
- return false;
- return bound_actions_by_id.insert(std::make_pair(id, std::move(callback))).second;
- }
-
- void GlobalHotkeysJoystick::poll_events() {
- if(num_poll_fd == 0)
- return;
-
- if(save_replay) {
- save_replay = false;
- auto it = bound_actions_by_id.find("save_replay");
- if(it != bound_actions_by_id.end())
- it->second("save_replay");
- }
-
- if(save_1_min_replay) {
- save_1_min_replay = false;
- auto it = bound_actions_by_id.find("save_1_min_replay");
- if(it != bound_actions_by_id.end())
- it->second("save_1_min_replay");
- }
-
- if(save_10_min_replay) {
- save_10_min_replay = false;
- auto it = bound_actions_by_id.find("save_10_min_replay");
- if(it != bound_actions_by_id.end())
- it->second("save_10_min_replay");
- }
-
- if(take_screenshot) {
- take_screenshot = false;
- auto it = bound_actions_by_id.find("take_screenshot");
- if(it != bound_actions_by_id.end())
- it->second("take_screenshot");
- }
-
- if(toggle_record) {
- toggle_record = false;
- auto it = bound_actions_by_id.find("toggle_record");
- if(it != bound_actions_by_id.end())
- it->second("toggle_record");
- }
-
- if(toggle_replay) {
- toggle_replay = false;
- auto it = bound_actions_by_id.find("toggle_replay");
- if(it != bound_actions_by_id.end())
- it->second("toggle_replay");
- }
-
- if(toggle_show) {
- toggle_show = false;
- auto it = bound_actions_by_id.find("toggle_show");
- if(it != bound_actions_by_id.end())
- it->second("toggle_show");
- }
- }
-
- void GlobalHotkeysJoystick::read_events() {
- js_event event;
- while(poll(poll_fd, num_poll_fd, -1) > 0) {
- for(int i = 0; i < num_poll_fd; ++i) {
- if(poll_fd[i].revents & (POLLHUP|POLLERR|POLLNVAL)) {
- if(i == event_index)
- goto done;
-
- if(remove_poll_fd(i))
- --i; // This item was removed so we want to repeat the same index to continue to the next item
-
- continue;
- }
-
- if(!(poll_fd[i].revents & POLLIN))
- continue;
-
- if(i == event_index) {
- goto done;
- } else if(i == hotplug_poll_index) {
- hotplug.process_event_data(poll_fd[i].fd, [&](HotplugAction hotplug_action, const char *devname) {
- char dev_input_filepath[1024];
- snprintf(dev_input_filepath, sizeof(dev_input_filepath), "/dev/%s", devname);
- switch(hotplug_action) {
- case HotplugAction::ADD: {
- // Cant open the /dev/input device immediately or it fails.
- // TODO: Remove this hack when a better solution is found.
- usleep(50 * 1000);
- add_device(dev_input_filepath);
- break;
- }
- case HotplugAction::REMOVE: {
- if(remove_device(dev_input_filepath))
- --i; // This item was removed so we want to repeat the same index to continue to the next item
- break;
- }
- }
- });
- } else {
- process_js_event(poll_fd[i].fd, event);
- }
- }
- }
-
- done:
- ;
- }
-
- void GlobalHotkeysJoystick::process_js_event(int fd, js_event &event) {
- if(read(fd, &event, sizeof(event)) != sizeof(event))
- return;
-
- if((event.type & JS_EVENT_BUTTON) == JS_EVENT_BUTTON) {
- switch(event.number) {
- case playstation_button: {
- playstation_button_pressed = event.value == button_pressed;
- break;
- }
- case options_button: {
- if(playstation_button_pressed && event.value == button_pressed)
- toggle_show = true;
- break;
- }
- case cross_button: {
- if(playstation_button_pressed && event.value == button_pressed)
- save_1_min_replay = true;
- break;
- }
- case triangle_button: {
- if(playstation_button_pressed && event.value == button_pressed)
- save_10_min_replay = true;
- break;
- }
- }
- } else if((event.type & JS_EVENT_AXIS) == JS_EVENT_AXIS && playstation_button_pressed) {
- const int trigger_threshold = 16383;
- const bool prev_up_pressed = up_pressed;
- const bool prev_down_pressed = down_pressed;
- const bool prev_left_pressed = left_pressed;
- const bool prev_right_pressed = right_pressed;
-
- if(event.number == axis_up_down) {
- up_pressed = event.value <= -trigger_threshold;
- down_pressed = event.value >= trigger_threshold;
- } else if(event.number == axis_left_right) {
- left_pressed = event.value <= -trigger_threshold;
- right_pressed = event.value >= trigger_threshold;
- }
-
- if(up_pressed && !prev_up_pressed)
- take_screenshot = true;
- else if(down_pressed && !prev_down_pressed)
- save_replay = true;
- else if(left_pressed && !prev_left_pressed)
- toggle_record = true;
- else if(right_pressed && !prev_right_pressed)
- toggle_replay = true;
- }
- }
-
- bool GlobalHotkeysJoystick::add_device(const char *dev_input_filepath, bool print_error) {
- if(num_poll_fd >= max_js_poll_fd) {
- fprintf(stderr, "Warning: failed to add joystick device %s, too many joysticks have been added\n", dev_input_filepath);
- return false;
- }
-
- const int dev_input_id = get_js_dev_input_id_from_filepath(dev_input_filepath);
- if(dev_input_id == -1)
- return false;
-
- const int fd = open(dev_input_filepath, O_RDONLY);
- if(fd <= 0) {
- if(print_error)
- fprintf(stderr, "Error: failed to add joystick %s, error: %s\n", dev_input_filepath, strerror(errno));
- return false;
- }
-
- poll_fd[num_poll_fd] = {
- fd,
- POLLIN,
- 0
- };
-
- extra_data[num_poll_fd] = {
- dev_input_id
- };
-
- ++num_poll_fd;
- fprintf(stderr, "Info: added joystick: %s\n", dev_input_filepath);
- return true;
- }
-
- bool GlobalHotkeysJoystick::remove_device(const char *dev_input_filepath) {
- const int dev_input_id = get_js_dev_input_id_from_filepath(dev_input_filepath);
- if(dev_input_id == -1)
- return false;
-
- const int poll_fd_index = get_poll_fd_index_by_dev_input_id(dev_input_id);
- if(poll_fd_index == -1)
- return false;
-
- fprintf(stderr, "Info: removed joystick: %s\n", dev_input_filepath);
- return remove_poll_fd(poll_fd_index);
- }
-
- bool GlobalHotkeysJoystick::remove_poll_fd(int index) {
- if(index < 0 || index >= num_poll_fd)
- return false;
-
- close(poll_fd[index].fd);
- for(int i = index + 1; i < num_poll_fd; ++i) {
- poll_fd[i - 1] = poll_fd[i];
- extra_data[i - 1] = extra_data[i];
- }
- --num_poll_fd;
- return true;
- }
-
- int GlobalHotkeysJoystick::get_poll_fd_index_by_dev_input_id(int dev_input_id) const {
- for(int i = 0; i < num_poll_fd; ++i) {
- if(dev_input_id == extra_data[i].dev_input_id)
- return i;
- }
- return -1;
- }
-}
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