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Diffstat (limited to 'tools/gsr-global-hotkeys/keyboard_event.c')
-rw-r--r--tools/gsr-global-hotkeys/keyboard_event.c119
1 files changed, 112 insertions, 7 deletions
diff --git a/tools/gsr-global-hotkeys/keyboard_event.c b/tools/gsr-global-hotkeys/keyboard_event.c
index 63aeeef..bcfd616 100644
--- a/tools/gsr-global-hotkeys/keyboard_event.c
+++ b/tools/gsr-global-hotkeys/keyboard_event.c
@@ -25,6 +25,24 @@
#define KEY_STATES_SIZE (KEY_MAX/8 + 1)
+#define KEYCODE_TO_XKB_KEYCODE(key) ((key) + 8)
+
+#define XK_Shift_L 0xffe1 /* Left shift */
+#define XK_Shift_R 0xffe2 /* Right shift */
+#define XK_Control_L 0xffe3 /* Left control */
+#define XK_Control_R 0xffe4 /* Right control */
+#define XK_Alt_L 0xffe9 /* Left alt */
+#define XK_Alt_R 0xffea /* Right alt */
+#define XK_Super_L 0xffeb /* Left super */
+#define XK_Super_R 0xffec /* Right super */
+
+#define XK_z 0x007a
+#define XK_F7 0xffc4
+#define XK_F8 0xffc5
+#define XK_F9 0xffc6
+#define XK_F10 0xffc7
+#define XK_F11 0xffc8
+
static inline int count_num_bits_set(unsigned char c) {
int n = 0;
n += (c & 1);
@@ -117,6 +135,35 @@ static void keyboard_event_process_key_state_change(keyboard_event *self, struct
}
}
+static uint32_t keycode_to_keysym(keyboard_event *self, uint16_t keycode) {
+ const unsigned long xkb_keycode = KEYCODE_TO_XKB_KEYCODE(keycode);
+ if(self->x_context.display && self->x_context.XKeycodeToKeysym && xkb_keycode <= 255)
+ return self->x_context.XKeycodeToKeysym(self->x_context.display, xkb_keycode, 0);
+ else
+ return 0;
+}
+
+/* TODO: Support more keys when needed */
+static uint32_t keysym_to_keycode(uint32_t keysym) {
+ switch(keysym) {
+ case XK_Control_L: return KEY_LEFTCTRL;
+ case XK_Shift_L: return KEY_LEFTSHIFT;
+ case XK_Alt_L: return KEY_LEFTALT;
+ case XK_Super_L: return KEY_LEFTMETA;
+ case XK_Control_R: return KEY_RIGHTCTRL;
+ case XK_Shift_R: return KEY_RIGHTSHIFT;
+ case XK_Alt_R: return KEY_RIGHTALT;
+ case XK_Super_R: return KEY_RIGHTMETA;
+ case XK_z: return KEY_Z;
+ case XK_F7: return KEY_F7;
+ case XK_F8: return KEY_F8;
+ case XK_F9: return KEY_F9;
+ case XK_F10: return KEY_F10;
+ case XK_F11: return KEY_F11;
+ default: return 0;
+ }
+}
+
static void keyboard_event_process_input_event_data(keyboard_event *self, event_extra_data *extra_data, int fd, key_callback callback, void *userdata) {
struct input_event event;
if(read(fd, &event, sizeof(event)) != sizeof(event)) {
@@ -137,7 +184,12 @@ static void keyboard_event_process_input_event_data(keyboard_event *self, event_
if(event.type == EV_KEY) {
keyboard_event_process_key_state_change(self, event, extra_data, fd);
- switch(event.code) {
+ uint32_t keycode = event.code;
+ const uint32_t keysym = keycode_to_keysym(self, event.code);
+ if(keysym)
+ keycode = keysym_to_keycode(keysym);
+
+ switch(keycode) {
case KEY_LEFTSHIFT:
self->lshift_button_state = event.value >= 1 ? KEYBOARD_BUTTON_PRESSED : KEYBOARD_BUTTON_RELEASED;
break;
@@ -165,21 +217,24 @@ static void keyboard_event_process_input_event_data(keyboard_event *self, event_
default: {
const bool shift_pressed = self->lshift_button_state == KEYBOARD_BUTTON_PRESSED || self->rshift_button_state == KEYBOARD_BUTTON_PRESSED;
const bool ctrl_pressed = self->lctrl_button_state == KEYBOARD_BUTTON_PRESSED || self->rctrl_button_state == KEYBOARD_BUTTON_PRESSED;
- const bool alt_pressed = self->lalt_button_state == KEYBOARD_BUTTON_PRESSED || self->ralt_button_state == KEYBOARD_BUTTON_PRESSED;
+ const bool lalt_pressed = self->lalt_button_state == KEYBOARD_BUTTON_PRESSED;
+ const bool ralt_pressed = self->ralt_button_state == KEYBOARD_BUTTON_PRESSED;
const bool meta_pressed = self->lmeta_button_state == KEYBOARD_BUTTON_PRESSED || self->rmeta_button_state == KEYBOARD_BUTTON_PRESSED;
- //fprintf(stderr, "pressed key: %d, state: %d, shift: %s, ctrl: %s, alt: %s, meta: %s\n", event.code, event.value,
+ //fprintf(stderr, "pressed key: %d, state: %d, shift: %s, ctrl: %s, alt: %s, meta: %s\n", keycode, event.value,
// shift_pressed ? "yes" : "no", ctrl_pressed ? "yes" : "no", alt_pressed ? "yes" : "no", meta_pressed ? "yes" : "no");
uint32_t modifiers = 0;
if(shift_pressed)
modifiers |= KEYBOARD_MODKEY_SHIFT;
if(ctrl_pressed)
modifiers |= KEYBOARD_MODKEY_CTRL;
- if(alt_pressed)
- modifiers |= KEYBOARD_MODKEY_ALT;
+ if(lalt_pressed)
+ modifiers |= KEYBOARD_MODKEY_LALT;
+ if(ralt_pressed)
+ modifiers |= KEYBOARD_MODKEY_RALT;
if(meta_pressed)
modifiers |= KEYBOARD_MODKEY_SUPER;
- if(!callback(event.code, modifiers, event.value, userdata))
+ if(!callback(keycode, modifiers, event.value, userdata))
return;
break;
@@ -213,11 +268,41 @@ static bool keyboard_event_has_event_with_dev_input_fd(keyboard_event *self, int
return false;
}
+/* TODO: Is there a more efficient way to do this? */
+static bool dev_input_is_virtual(int dev_input_id) {
+ DIR *dir = opendir("/sys/devices/virtual/input");
+ if(!dir)
+ return false;
+
+ bool is_virtual = false;
+ char virtual_input_filepath[1024];
+ for(;;) {
+ struct dirent *entry = readdir(dir);
+ if(!entry)
+ break;
+
+ if(strncmp(entry->d_name, "input", 5) != 0)
+ continue;
+
+ snprintf(virtual_input_filepath, sizeof(virtual_input_filepath), "/sys/devices/virtual/input/%s/event%d", entry->d_name, dev_input_id);
+ if(access(virtual_input_filepath, F_OK) == 0) {
+ is_virtual = true;
+ break;
+ }
+ }
+
+ closedir(dir);
+ return is_virtual;
+}
+
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)
return false;
+ if(self->grab_type == KEYBOARD_GRAB_TYPE_VIRTUAL && !dev_input_is_virtual(dev_input_id))
+ return false;
+
if(keyboard_event_has_event_with_dev_input_fd(self, dev_input_id))
return false;
@@ -373,10 +458,12 @@ static int setup_virtual_keyboard_input(const char *name) {
return fd;
}
-bool keyboard_event_init(keyboard_event *self, bool poll_stdout_error, bool exclusive_grab) {
+bool keyboard_event_init(keyboard_event *self, bool poll_stdout_error, bool exclusive_grab, keyboard_grab_type grab_type, x11_context x_context) {
memset(self, 0, sizeof(*self));
self->stdout_event_index = -1;
self->hotplug_event_index = -1;
+ self->grab_type = grab_type;
+ self->x_context = x_context;
if(exclusive_grab) {
self->uinput_fd = setup_virtual_keyboard_input(GSR_UI_VIRTUAL_KEYBOARD_NAME);
@@ -456,7 +543,25 @@ static void on_device_added_callback(const char *devname, void *userdata) {
keyboard_event_try_add_device_if_keyboard(keyboard_ev, dev_input_filepath);
}
+#define MappingNotify 34
+
+static void keyboard_event_poll_x11_events(keyboard_event *self) {
+ if(!self->x_context.display || !self->x_context.XPending || !self->x_context.XNextEvent || !self->x_context.XRefreshKeyboardMapping)
+ return;
+
+ XEvent xev;
+ while(self->x_context.XPending(self->x_context.display)) {
+ xev.type = 0;
+ self->x_context.XNextEvent(self->x_context.display, &xev);
+ if(xev.type == MappingNotify)
+ self->x_context.XRefreshKeyboardMapping(xev.data);
+ }
+}
+
void keyboard_event_poll_events(keyboard_event *self, int timeout_milliseconds, key_callback callback, void *userdata) {
+ /* TODO: Add the x11 connection to the below poll? */
+ keyboard_event_poll_x11_events(self);
+
if(poll(self->event_polls, self->num_event_polls, timeout_milliseconds) <= 0)
return;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-07 02:38:50 +0000