/* we need a keycode + modifier to generate the proper keysym (such as
@). Return 1 if successful, 0 otherwise. This function can fail if a
keysym doesn't map to a keycode. */
static int
keysym_to_keycode_mod (KeySym keysym, KeyCode *code, unsigned int *mod)
{
KeySym lower, upper;
*mod = 0;
*code = XKeysymToKeycode (dpy, keysym);
lower = keycode_to_keysym (dpy, *code, 0, 0);
upper = keycode_to_keysym (dpy, *code, 0, 1);
/* If you need to press shift to get the keysym, add the shift
mask. */
if (upper == keysym && lower != keysym)
*mod = ShiftMask;
return *code != 0;
}
/* Cooks a keycode + modifier into a keysym + modifier. This should be
used anytime meaningful key information is to be extracted from a
KeyPress or KeyRelease event.
returns the number of bytes in keysym_name. If you are not
interested in the keysym name pass in NULL for keysym_name and 0
for len. */
int
cook_keycode (XKeyEvent *ev, KeySym *keysym, unsigned int *mod, char *keysym_name, int len, int ignore_bad_mods)
{
int nbytes;
int shift = 0;
KeySym lower, upper;
if (ignore_bad_mods)
{
ev->state &= ~(LockMask
| rp_modifier_info.num_lock_mask
| rp_modifier_info.scroll_lock_mask);
}
if (len > 0) len--;
nbytes = XLookupString (ev, keysym_name, len, keysym, NULL);
/* Null terminate the string (not all X servers do it for us). */
if (keysym_name) {
keysym_name[nbytes] = '\0';
}
/* Find out if XLookupString gobbled the shift modifier */
if (ev->state & ShiftMask)
{
lower = keycode_to_keysym (dpy, ev->keycode, 0, 0);
upper = keycode_to_keysym (dpy, ev->keycode, 0, 1);
/* If the keysym isn't affected by the shift key, then keep the
shift modifier. */
if (lower == upper)
shift = ShiftMask;
}
*mod = ev->state;
*mod &= (rp_modifier_info.meta_mod_mask
| rp_modifier_info.alt_mod_mask
| rp_modifier_info.hyper_mod_mask
| rp_modifier_info.super_mod_mask
| ControlMask
| shift);
return nbytes;
}
static void process_raw_key(char *buf, unsigned int len)
{
if ( len <= 0 ) {
return;
}
else
{
unsigned int i;
for (i = 0; i < len; i++) {
char down = !(buf[i] & 0x80);
short code = buf[i] & 0x7f;
if (!code) {
if (i + 2 >= len) break;
code = (buf[++i] & 0x7f) << 7;
code |= buf[++i] & 0x7f;
if (!(buf[i] & 0x80) || !(buf[i - 1] & 0x80)) continue;
}
unsigned short linux_keysym = keycode_to_keysym(code, down);
FcitxKeySym keysym = linux_keysym_to_fcitx_keysym(linux_keysym, code);
if (keysym == Key_None)
continue;
FcitxIMClientFocusIn(client);
if (FcitxIMClientProcessKey(client, keysym, code, state, (down ? FCITX_PRESS_KEY : FCITX_RELEASE_KEY), 0) <= 0) {
char *str = keysym_to_term_string(linux_keysym, down);
if (str)
put_im_text(str, strlen(str));
}
state = calculate_modifiers(state, keysym, down);
}
}
}
void hook_event_proc(XPointer closeure, XRecordInterceptData *recorded_data) {
uint64_t timestamp = (uint64_t) recorded_data->server_time;
if (recorded_data->category == XRecordStartOfData) {
// Populate the hook start event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_HOOK_ENABLED;
event.mask = 0x00;
// Fire the hook start event.
dispatch_event(&event);
}
else if (recorded_data->category == XRecordEndOfData) {
// Populate the hook stop event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_HOOK_DISABLED;
event.mask = 0x00;
// Fire the hook stop event.
dispatch_event(&event);
}
else if (recorded_data->category == XRecordFromServer || recorded_data->category == XRecordFromClient) {
// Get XRecord data.
XRecordDatum *data = (XRecordDatum *) recorded_data->data;
if (data->type == KeyPress) {
// The X11 KeyCode associated with this event.
KeyCode keycode = (KeyCode) data->event.u.u.detail;
KeySym keysym = 0x00;
#if defined(USE_XKBCOMMON)
if (state != NULL) {
keysym = xkb_state_key_get_one_sym(state, keycode);
}
#else
keysym = keycode_to_keysym(keycode, data->event.u.keyButtonPointer.state);
#endif
unsigned short int scancode = keycode_to_scancode(keycode);
// TODO If you have a better suggestion for this ugly, let me know.
if (scancode == VC_SHIFT_L) { set_modifier_mask(MASK_SHIFT_L); }
else if (scancode == VC_SHIFT_R) { set_modifier_mask(MASK_SHIFT_R); }
else if (scancode == VC_CONTROL_L) { set_modifier_mask(MASK_CTRL_L); }
else if (scancode == VC_CONTROL_R) { set_modifier_mask(MASK_CTRL_R); }
else if (scancode == VC_ALT_L) { set_modifier_mask(MASK_ALT_L); }
else if (scancode == VC_ALT_R) { set_modifier_mask(MASK_ALT_R); }
else if (scancode == VC_META_L) { set_modifier_mask(MASK_META_L); }
else if (scancode == VC_META_R) { set_modifier_mask(MASK_META_R); }
xkb_state_update_key(state, keycode, XKB_KEY_DOWN);
initialize_locks();
if ((get_modifiers() & MASK_NUM_LOCK) == 0) {
switch (scancode) {
case VC_KP_SEPARATOR:
case VC_KP_1:
case VC_KP_2:
case VC_KP_3:
case VC_KP_4:
case VC_KP_5:
case VC_KP_6:
case VC_KP_7:
case VC_KP_8:
case VC_KP_0:
case VC_KP_9:
scancode |= 0xEE00;
break;
}
}
// Populate key pressed event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_KEY_PRESSED;
event.mask = get_modifiers();
event.data.keyboard.keycode = scancode;
event.data.keyboard.rawcode = keysym;
event.data.keyboard.keychar = CHAR_UNDEFINED;
logger(LOG_LEVEL_INFO, "%s [%u]: Key %#X pressed. (%#X)\n",
__FUNCTION__, __LINE__, event.data.keyboard.keycode, event.data.keyboard.rawcode);
// Fire key pressed event.
dispatch_event(&event);
// If the pressed event was not consumed...
if (event.reserved ^ 0x01) {
uint16_t buffer[2];
size_t count = 0;
// Check to make sure the key is printable.
#ifdef USE_XKBCOMMON
if (state != NULL) {
count = keycode_to_unicode(state, keycode, buffer, sizeof(buffer) / sizeof(uint16_t));
}
#else
count = keysym_to_unicode(keysym, buffer, sizeof(buffer) / sizeof(uint16_t));
#endif
for (unsigned int i = 0; i < count; i++) {
// Populate key typed event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_KEY_TYPED;
event.mask = get_modifiers();
event.data.keyboard.keycode = VC_UNDEFINED;
event.data.keyboard.rawcode = keysym;
event.data.keyboard.keychar = buffer[i];
logger(LOG_LEVEL_INFO, "%s [%u]: Key %#X typed. (%lc)\n",
__FUNCTION__, __LINE__, event.data.keyboard.keycode, (uint16_t) event.data.keyboard.keychar);
// Fire key typed event.
dispatch_event(&event);
}
}
}
else if (data->type == KeyRelease) {
// The X11 KeyCode associated with this event.
KeyCode keycode = (KeyCode) data->event.u.u.detail;
KeySym keysym = 0x00;
#ifdef USE_XKBCOMMON
if (state != NULL) {
keysym = xkb_state_key_get_one_sym(state, keycode);
}
#else
keysym = keycode_to_keysym(keycode, data->event.u.keyButtonPointer.state);
#endif
unsigned short int scancode = keycode_to_scancode(keycode);
// TODO If you have a better suggestion for this ugly, let me know.
if (scancode == VC_SHIFT_L) { unset_modifier_mask(MASK_SHIFT_L); }
else if (scancode == VC_SHIFT_R) { unset_modifier_mask(MASK_SHIFT_R); }
else if (scancode == VC_CONTROL_L) { unset_modifier_mask(MASK_CTRL_L); }
else if (scancode == VC_CONTROL_R) { unset_modifier_mask(MASK_CTRL_R); }
else if (scancode == VC_ALT_L) { unset_modifier_mask(MASK_ALT_L); }
else if (scancode == VC_ALT_R) { unset_modifier_mask(MASK_ALT_R); }
else if (scancode == VC_META_L) { unset_modifier_mask(MASK_META_L); }
else if (scancode == VC_META_R) { unset_modifier_mask(MASK_META_R); }
xkb_state_update_key(state, keycode, XKB_KEY_UP);
initialize_locks();
if ((get_modifiers() & MASK_NUM_LOCK) == 0) {
switch (scancode) {
case VC_KP_SEPARATOR:
case VC_KP_1:
case VC_KP_2:
case VC_KP_3:
case VC_KP_4:
case VC_KP_5:
case VC_KP_6:
case VC_KP_7:
case VC_KP_8:
case VC_KP_0:
case VC_KP_9:
scancode |= 0xEE00;
break;
}
}
// Populate key released event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_KEY_RELEASED;
event.mask = get_modifiers();
event.data.keyboard.keycode = scancode;
event.data.keyboard.rawcode = keysym;
event.data.keyboard.keychar = CHAR_UNDEFINED;
logger(LOG_LEVEL_INFO, "%s [%u]: Key %#X released. (%#X)\n",
__FUNCTION__, __LINE__, event.data.keyboard.keycode, event.data.keyboard.rawcode);
// Fire key released event.
dispatch_event(&event);
}
else if (data->type == ButtonPress) {
// X11 handles wheel events as button events.
if (data->event.u.u.detail == WheelUp || data->event.u.u.detail == WheelDown
|| data->event.u.u.detail == WheelLeft || data->event.u.u.detail == WheelRight) {
// Reset the click count and previous button.
hook->input.mouse.click.count = 1;
hook->input.mouse.click.button = MOUSE_NOBUTTON;
/* Scroll wheel release events.
* Scroll type: WHEEL_UNIT_SCROLL
* Scroll amount: 3 unit increments per notch
* Units to scroll: 3 unit increments
* Vertical unit increment: 15 pixels
*/
// Populate mouse wheel event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_WHEEL;
event.mask = get_modifiers();
event.data.wheel.clicks = hook->input.mouse.click.count;
event.data.wheel.x = data->event.u.keyButtonPointer.rootX;
event.data.wheel.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.wheel.x -= screens[0].x;
event.data.wheel.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
/* X11 does not have an API call for acquiring the mouse scroll type. This
* maybe part of the XInput2 (XI2) extention but I will wont know until it
* is available on my platform. For the time being we will just use the
* unit scroll value.
*/
event.data.wheel.type = WHEEL_UNIT_SCROLL;
/* Some scroll wheel properties are available via the new XInput2 (XI2)
* extension. Unfortunately the extension is not available on my
* development platform at this time. For the time being we will just
* use the Windows default value of 3.
*/
event.data.wheel.amount = 3;
if (data->event.u.u.detail == WheelUp || data->event.u.u.detail == WheelLeft) {
// Wheel Rotated Up and Away.
event.data.wheel.rotation = -1;
}
else { // data->event.u.u.detail == WheelDown
// Wheel Rotated Down and Towards.
event.data.wheel.rotation = 1;
}
if (data->event.u.u.detail == WheelUp || data->event.u.u.detail == WheelDown) {
// Wheel Rotated Up or Down.
event.data.wheel.direction = WHEEL_VERTICAL_DIRECTION;
}
else { // data->event.u.u.detail == WheelLeft || data->event.u.u.detail == WheelRight
// Wheel Rotated Left or Right.
event.data.wheel.direction = WHEEL_HORIZONTAL_DIRECTION;
}
logger(LOG_LEVEL_INFO, "%s [%u]: Mouse wheel type %u, rotated %i units in the %u direction at %u, %u.\n",
__FUNCTION__, __LINE__, event.data.wheel.type,
event.data.wheel.amount * event.data.wheel.rotation,
event.data.wheel.direction,
event.data.wheel.x, event.data.wheel.y);
// Fire mouse wheel event.
dispatch_event(&event);
}
else {
/* This information is all static for X11, its up to the WM to
* decide how to interpret the wheel events.
*/
uint16_t button = MOUSE_NOBUTTON;
switch (data->event.u.u.detail) {
// FIXME This should use a lookup table to handle button remapping.
case Button1:
button = MOUSE_BUTTON1;
set_modifier_mask(MASK_BUTTON1);
break;
case Button2:
button = MOUSE_BUTTON2;
set_modifier_mask(MASK_BUTTON2);
break;
case Button3:
button = MOUSE_BUTTON3;
set_modifier_mask(MASK_BUTTON3);
break;
case XButton1:
button = MOUSE_BUTTON4;
set_modifier_mask(MASK_BUTTON5);
break;
case XButton2:
button = MOUSE_BUTTON5;
set_modifier_mask(MASK_BUTTON5);
break;
default:
// Do not set modifier masks past button MASK_BUTTON5.
break;
}
// Track the number of clicks, the button must match the previous button.
if (button == hook->input.mouse.click.button && (long int) (timestamp - hook->input.mouse.click.time) <= hook_get_multi_click_time()) {
if (hook->input.mouse.click.count < USHRT_MAX) {
hook->input.mouse.click.count++;
}
else {
logger(LOG_LEVEL_WARN, "%s [%u]: Click count overflow detected!\n",
__FUNCTION__, __LINE__);
}
}
else {
// Reset the click count.
hook->input.mouse.click.count = 1;
// Set the previous button.
hook->input.mouse.click.button = button;
}
// Save this events time to calculate the hook->input.mouse.click.count.
hook->input.mouse.click.time = timestamp;
// Populate mouse pressed event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_PRESSED;
event.mask = get_modifiers();
event.data.mouse.button = button;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Button %u pressed %u time(s). (%u, %u)\n",
__FUNCTION__, __LINE__, event.data.mouse.button, event.data.mouse.clicks,
event.data.mouse.x, event.data.mouse.y);
// Fire mouse pressed event.
dispatch_event(&event);
}
}
else if (data->type == ButtonRelease) {
// X11 handles wheel events as button events.
if (data->event.u.u.detail != WheelUp && data->event.u.u.detail != WheelDown) {
/* This information is all static for X11, its up to the WM to
* decide how to interpret the wheel events.
*/
uint16_t button = MOUSE_NOBUTTON;
switch (data->event.u.u.detail) {
// FIXME This should use a lookup table to handle button remapping.
case Button1:
button = MOUSE_BUTTON1;
unset_modifier_mask(MASK_BUTTON1);
break;
case Button2:
button = MOUSE_BUTTON2;
unset_modifier_mask(MASK_BUTTON2);
break;
case Button3:
button = MOUSE_BUTTON3;
unset_modifier_mask(MASK_BUTTON3);
break;
case XButton1:
button = MOUSE_BUTTON4;
unset_modifier_mask(MASK_BUTTON5);
break;
case XButton2:
button = MOUSE_BUTTON5;
unset_modifier_mask(MASK_BUTTON5);
break;
default:
// Do not set modifier masks past button MASK_BUTTON5.
break;
}
// Populate mouse released event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_RELEASED;
event.mask = get_modifiers();
event.data.mouse.button = button;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Button %u released %u time(s). (%u, %u)\n",
__FUNCTION__, __LINE__, event.data.mouse.button,
event.data.mouse.clicks,
event.data.mouse.x, event.data.mouse.y);
// Fire mouse released event.
dispatch_event(&event);
// If the pressed event was not consumed...
if (event.reserved ^ 0x01 && hook->input.mouse.is_dragged != true) {
// Populate mouse clicked event.
event.time = timestamp;
event.reserved = 0x00;
event.type = EVENT_MOUSE_CLICKED;
event.mask = get_modifiers();
event.data.mouse.button = button;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Button %u clicked %u time(s). (%u, %u)\n",
__FUNCTION__, __LINE__, event.data.mouse.button,
event.data.mouse.clicks,
event.data.mouse.x, event.data.mouse.y);
// Fire mouse clicked event.
dispatch_event(&event);
}
// Reset the number of clicks.
if (button == hook->input.mouse.click.button && (long int) (event.time - hook->input.mouse.click.time) > hook_get_multi_click_time()) {
// Reset the click count.
hook->input.mouse.click.count = 0;
}
}
}
else if (data->type == MotionNotify) {
// Reset the click count.
if (hook->input.mouse.click.count != 0 && (long int) (timestamp - hook->input.mouse.click.time) > hook_get_multi_click_time()) {
hook->input.mouse.click.count = 0;
}
// Populate mouse move event.
event.time = timestamp;
event.reserved = 0x00;
event.mask = get_modifiers();
// Check the upper half of virtual modifiers for non-zero
// values and set the mouse dragged flag.
hook->input.mouse.is_dragged = (event.mask >> 8 > 0);
if (hook->input.mouse.is_dragged) {
// Create Mouse Dragged event.
event.type = EVENT_MOUSE_DRAGGED;
}
else {
// Create a Mouse Moved event.
event.type = EVENT_MOUSE_MOVED;
}
event.data.mouse.button = MOUSE_NOBUTTON;
event.data.mouse.clicks = hook->input.mouse.click.count;
event.data.mouse.x = data->event.u.keyButtonPointer.rootX;
event.data.mouse.y = data->event.u.keyButtonPointer.rootY;
#if defined(USE_XINERAMA) || defined(USE_XRANDR)
uint8_t count;
screen_data *screens = hook_create_screen_info(&count);
if (count > 1) {
event.data.mouse.x -= screens[0].x;
event.data.mouse.y -= screens[0].y;
}
if (screens != NULL) {
free(screens);
}
#endif
logger(LOG_LEVEL_INFO, "%s [%u]: Mouse %s to %i, %i. (%#X)\n",
__FUNCTION__, __LINE__, hook->input.mouse.is_dragged ? "dragged" : "moved",
event.data.mouse.x, event.data.mouse.y, event.mask);
// Fire mouse move event.
dispatch_event(&event);
}
else {
