diff options
Diffstat (limited to 'tools/gsr-global-hotkeys')
| -rw-r--r-- | tools/gsr-global-hotkeys/keyboard_event.c | 75 | ||||
| -rw-r--r-- | tools/gsr-global-hotkeys/keyboard_event.h | 2 |
2 files changed, 66 insertions, 11 deletions
diff --git a/tools/gsr-global-hotkeys/keyboard_event.c b/tools/gsr-global-hotkeys/keyboard_event.c index c7a54c3..4ff7f11 100644 --- a/tools/gsr-global-hotkeys/keyboard_event.c +++ b/tools/gsr-global-hotkeys/keyboard_event.c @@ -69,7 +69,7 @@ static void keyboard_event_fetch_update_key_states(keyboard_event *self, event_e if(ioctl(fd, EVIOCGKEY(KEY_STATES_SIZE), extra_data->key_states) == -1) fprintf(stderr, "Warning: failed to fetch key states for device: /dev/input/event%d\n", extra_data->dev_input_id); - if(!keyboard_event_has_exclusive_grab(self) || extra_data->grabbed) + if(!keyboard_event_has_exclusive_grab(self) || extra_data->grabbed || extra_data->is_non_keyboard_device) return; extra_data->num_keys_pressed = keyboard_event_get_num_keys_pressed(extra_data->key_states); @@ -106,7 +106,7 @@ static void keyboard_event_process_key_state_change(keyboard_event *self, const extra_data->key_states[byte_index] = key_byte_state; - if(!keyboard_event_has_exclusive_grab(self) || extra_data->grabbed) + if(!keyboard_event_has_exclusive_grab(self) || extra_data->grabbed || extra_data->is_non_keyboard_device) return; if(extra_data->num_keys_pressed == 0) { @@ -193,7 +193,8 @@ static void keyboard_event_process_input_event_data(keyboard_event *self, event_ //fprintf(stderr, "fd: %d, type: %d, pressed %d, value: %d\n", fd, event.type, event.code, event.value); //} - if(event.type == EV_KEY && is_keyboard_key(event.code)) { + const bool keyboard_key = is_keyboard_key(event.code); + if(event.type == EV_KEY && keyboard_key) { keyboard_event_process_key_state_change(self, &event, extra_data, fd); const uint32_t modifier_bit = keycode_to_modifier_bit(event.code); if(modifier_bit == 0) { @@ -214,6 +215,20 @@ static void keyboard_event_process_input_event_data(keyboard_event *self, event_ if(write(self->uinput_fd, &event, sizeof(event)) != sizeof(event)) fprintf(stderr, "Error: failed to write event data to virtual keyboard for exclusively grabbed device\n"); } + + if(!extra_data->is_possibly_non_keyboard_device) + return; + + /* TODO: What if some key is being pressed down while this is done? will it remain pressed down? */ + if(!extra_data->is_non_keyboard_device && (event.type == EV_REL || event.type == EV_ABS || (event.type == EV_KEY && !keyboard_key))) { + fprintf(stderr, "Info: device /dev/input/event%d is likely a non-keyboard device as it received a non-keyboard event. This device will be ignored\n", extra_data->dev_input_id); + extra_data->is_non_keyboard_device = true; + if(extra_data->grabbed) { + extra_data->grabbed = false; + ioctl(fd, EVIOCGRAB, 0); + fprintf(stderr, "Info: ungrabbed device: /dev/input/event%d\n", extra_data->dev_input_id); + } + } } /* Retarded linux takes very long time to close /dev/input/eventN files, even though they are virtual and opened read-only */ @@ -292,6 +307,46 @@ static bool dev_input_is_virtual(int dev_input_id) { return is_virtual; } +static inline bool supports_key(unsigned char *key_bits, unsigned int key) { + return key_bits[key/8] & (1 << (key % 8)); +} + +static bool supports_keyboard_keys(unsigned char *key_bits) { + const int keys[2] = { KEY_A, KEY_ESC }; + for(int i = 0; i < 2; ++i) { + if(supports_key(key_bits, keys[i])) + return true; + } + return false; +} + +static bool supports_mouse_keys(unsigned char *key_bits) { + const int keys[2] = { BTN_MOUSE, BTN_LEFT }; + for(int i = 0; i < 2; ++i) { + if(supports_key(key_bits, keys[i])) + return true; + } + return false; +} + +static bool supports_joystick_keys(unsigned char *key_bits) { + const int keys[9] = { BTN_JOYSTICK, BTN_A, BTN_B, BTN_X, BTN_Y, BTN_SELECT, BTN_START, BTN_SELECT, BTN_TRIGGER_HAPPY1 }; + for(int i = 0; i < 9; ++i) { + if(supports_key(key_bits, keys[i])) + return true; + } + return false; +} + +static bool supports_wheel_keys(unsigned char *key_bits) { + const int keys[2] = { BTN_WHEEL, BTN_GEAR_DOWN }; + for(int i = 0; i < 2; ++i) { + if(supports_key(key_bits, keys[i])) + return true; + } + return false; +} + static bool keyboard_event_try_add_device_if_keyboard(keyboard_event *self, const char *dev_input_filepath) { const int dev_input_id = get_dev_input_id_from_filepath(dev_input_filepath); if(dev_input_id == -1) @@ -320,15 +375,11 @@ static bool keyboard_event_try_add_device_if_keyboard(keyboard_event *self, cons unsigned char key_bits[KEY_MAX/8 + 1] = {0}; ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bits)), &key_bits); - const bool supports_key_a = key_bits[KEY_A/8] & (1 << (KEY_A % 8)); - const bool supports_key_esc = key_bits[KEY_ESC/8] & (1 << (KEY_ESC % 8)); - const bool supports_key_volume_up = key_bits[KEY_VOLUMEUP/8] & (1 << (KEY_VOLUMEUP % 8)); - const bool supports_key_events = supports_key_a || supports_key_esc || supports_key_volume_up; + const bool supports_key_events = supports_keyboard_keys(key_bits); + const bool supports_mouse_events = supports_mouse_keys(key_bits); + const bool supports_joystick_events = supports_joystick_keys(key_bits); + const bool supports_wheel_events = supports_wheel_keys(key_bits); - const bool supports_mouse_events = key_bits[BTN_MOUSE/8] & (1 << (BTN_MOUSE % 8)); - //const bool supports_touch_events = key_bits[BTN_TOUCH/8] & (1 << (BTN_TOUCH % 8)); - const bool supports_joystick_events = key_bits[BTN_JOYSTICK/8] & (1 << (BTN_JOYSTICK % 8)); - const bool supports_wheel_events = key_bits[BTN_WHEEL/8] & (1 << (BTN_WHEEL % 8)); if(supports_key_events && (is_virtual_device || (!supports_joystick_events && !supports_wheel_events))) { unsigned char *key_states = calloc(1, KEY_STATES_SIZE); unsigned char *key_presses_grabbed = calloc(1, KEY_STATES_SIZE); @@ -349,6 +400,7 @@ static bool keyboard_event_try_add_device_if_keyboard(keyboard_event *self, cons }; if(supports_mouse_events || supports_joystick_events || supports_wheel_events) { + self->event_extra_data[self->num_event_polls].is_possibly_non_keyboard_device = true; fprintf(stderr, "Info: device not grabbed yet because it might be a mouse: /dev/input/event%d\n", dev_input_id); fsync(fd); if(ioctl(fd, EVIOCGKEY(KEY_STATES_SIZE), self->event_extra_data[self->num_event_polls].key_states) == -1) @@ -441,6 +493,7 @@ static int setup_virtual_keyboard_input(const char *name) { success &= (ioctl(fd, UI_SET_MSCBIT, MSC_SCAN) != -1); for(int i = 1; i < KEY_MAX; ++i) { + // TODO: Check for joystick button? if we accidentally grab joystick if(is_keyboard_key(i) || is_mouse_button(i)) success &= (ioctl(fd, UI_SET_KEYBIT, i) != -1); } diff --git a/tools/gsr-global-hotkeys/keyboard_event.h b/tools/gsr-global-hotkeys/keyboard_event.h index 720aaa1..4a4c1fd 100644 --- a/tools/gsr-global-hotkeys/keyboard_event.h +++ b/tools/gsr-global-hotkeys/keyboard_event.h @@ -39,6 +39,8 @@ typedef enum { typedef struct { int dev_input_id; bool grabbed; + bool is_non_keyboard_device; + bool is_possibly_non_keyboard_device; unsigned char *key_states; unsigned char *key_presses_grabbed; int num_keys_pressed; |