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kbd: stop sending empty events to clients

This commit is contained in:
K. Lange 2021-07-13 08:32:09 +09:00
parent a96089e9d9
commit d4ff4244cf
4 changed files with 95 additions and 287 deletions
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9
apps/compositor.c
View File

@ -2268,10 +2268,11 @@ int main(int argc, char * argv[]) {
unsigned char buf[1];
int r = read(kfd, buf, 1);
if (r > 0) {
kbd_scancode(&state, buf[0], &event);
yutani_msg_buildx_key_event_alloc(m);
yutani_msg_buildx_key_event(m,0, &event, &state);
handle_key_event(yg, (struct yutani_msg_key_event *)m->data);
if (kbd_scancode(&state, buf[0], &event)) {
yutani_msg_buildx_key_event_alloc(m);
yutani_msg_buildx_key_event(m,0, &event, &state);
handle_key_event(yg, (struct yutani_msg_key_event *)m->data);
}
}
continue;
} else if (index == 1) {

5
apps/terminal-vga.c
View File

@ -1338,8 +1338,9 @@ int main(int argc, char ** argv) {
if (res[1]) {
int r = read(kfd, buf, 1);
for (int i = 0; i < r; ++i) {
int ret = kbd_scancode(&kbd_state, buf[i], &event);
key_event(ret, &event);
if (kbd_scancode(&kbd_state, buf[i], &event)) {
key_event(event.action == KEY_ACTION_DOWN && event.key, &event);
}
}
}
if (res[2]) {

51
base/usr/include/toaru/kbd.h
View File

@ -4,13 +4,6 @@
_Begin_C_Header
#define KBD_NORMAL 0
#define KBD_ESC_A 1
#define KBD_ESC_B 2
#define KBD_FUNC 3
#define KBD_ESC_O 4
#define KBD_ESC_EXT 5
#define KEY_NONE 0
#define KEY_BACKSPACE 8
#define KEY_CTRL_A 1
@ -45,17 +38,6 @@ _Begin_C_Header
#define KEY_ARROW_DOWN 258
#define KEY_ARROW_RIGHT 259
#define KEY_ARROW_LEFT 260
#define KEY_BAD_STATE -1
#define KEY_CTRL_ARROW_UP 261
#define KEY_CTRL_ARROW_DOWN 262
#define KEY_CTRL_ARROW_RIGHT 263
#define KEY_CTRL_ARROW_LEFT 264
#define KEY_SHIFT_ARROW_UP 265
#define KEY_SHIFT_ARROW_DOWN 266
#define KEY_SHIFT_ARROW_RIGHT 267
#define KEY_SHIFT_ARROW_LEFT 268
#define KEY_LEFT_CTRL 1001
#define KEY_LEFT_SHIFT 1002
@ -89,6 +71,8 @@ _Begin_C_Header
#define KEY_INSERT 2018
#define KEY_PAUSE 2019
#define KEY_SCROLL_LOCK 2020
#define KEY_PRINT_SCREEN 2021
#define KEY_APP 2022
#define KEY_NUM_0 2500
#define KEY_NUM_1 2501
@ -107,36 +91,6 @@ _Begin_C_Header
#define KEY_NUM_PLUS 2514
#define KEY_NUM_ENTER 2515
#define KEY_SCANCODE_F1 0x3b
#define KEY_SCANCODE_F2 0x3c
#define KEY_SCANCODE_F3 0x3d
#define KEY_SCANCODE_F4 0x3e
#define KEY_SCANCODE_F5 0x3f
#define KEY_SCANCODE_F6 0x40
#define KEY_SCANCODE_F7 0x41
#define KEY_SCANCODE_F8 0x42
#define KEY_SCANCODE_F9 0x43
#define KEY_SCANCODE_F10 0x44
#define KEY_SCANCODE_F11 0x57
#define KEY_SCANCODE_F12 0x58
#define KEY_SCANCODE_NUM_1 0x4f
#define KEY_SCANCODE_NUM_2 0x50
#define KEY_SCANCODE_NUM_3 0x51
#define KEY_SCANCODE_NUM_4 0x4B
#define KEY_SCANCODE_NUM_5 0x4C
#define KEY_SCANCODE_NUM_6 0x4D
#define KEY_SCANCODE_NUM_7 0x47
#define KEY_SCANCODE_NUM_8 0x48
#define KEY_SCANCODE_NUM_9 0x49
#define KEY_SCANCODE_NUM_0 0x52
#define KEY_SCANCODE_NUM_DOT 0x53
#define KEY_SCANCODE_NUM_MIN 0x4a
#define KEY_SCANCODE_NUM_ADD 0x4e
#define KEY_SCANCODE_NUM_LK 0x45
#define KEY_SCANCODE_SCROLL 0x46
#define KEY_MOD_LEFT_CTRL 0x01
#define KEY_MOD_LEFT_SHIFT 0x02
#define KEY_MOD_LEFT_ALT 0x04
@ -184,7 +138,6 @@ typedef struct {
int kbd_esc_buf;
} key_event_state_t;
extern kbd_key_t kbd_key(key_event_state_t * state, unsigned char c);
extern int kbd_scancode(key_event_state_t * state, unsigned char c, key_event_t * event);
_End_C_Header

317
lib/kbd.c
View File

@ -123,172 +123,36 @@ char kbd_us_l2[128] = {
0, /* everything else */
};
#define KEY_SCANCODE_F1 0x3b
#define KEY_SCANCODE_F2 0x3c
#define KEY_SCANCODE_F3 0x3d
#define KEY_SCANCODE_F4 0x3e
#define KEY_SCANCODE_F5 0x3f
#define KEY_SCANCODE_F6 0x40
#define KEY_SCANCODE_F7 0x41
#define KEY_SCANCODE_F8 0x42
#define KEY_SCANCODE_F9 0x43
#define KEY_SCANCODE_F10 0x44
#define KEY_SCANCODE_F11 0x57
#define KEY_SCANCODE_F12 0x58
/*
* Converts from incoming terminal keys to kbd_keys
*/
kbd_key_t kbd_key(key_event_state_t * state, unsigned char c) {
switch (state->kbd_state) {
case KBD_NORMAL:
switch (c) {
case 0x1b:
state->kbd_state = KBD_ESC_A;
return KEY_NONE;
default:
return c;
}
case KBD_ESC_A:
switch (c) {
case 0x5b:
state->kbd_state = KBD_ESC_B;
return KEY_NONE;
case 'O':
state->kbd_state = KBD_ESC_O;
return KEY_NONE;
default:
state->kbd_state = KBD_NORMAL;
return c;
}
case KBD_ESC_O:
switch (c) {
case 0x41:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_UP;
case 0x42:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_DOWN;
case 0x43:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_RIGHT;
case 0x44:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_LEFT;
case 'H':
state->kbd_state = KBD_NORMAL;
return KEY_HOME;
case 'F':
state->kbd_state = KBD_NORMAL;
return KEY_END;
default:
state->kbd_state = KBD_NORMAL;
return c;
}
case KBD_ESC_B:
switch (c) {
case 0x41:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_UP;
case 0x42:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_DOWN;
case 0x43:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_RIGHT;
case 0x44:
state->kbd_state = KBD_NORMAL;
return KEY_ARROW_LEFT;
case 'H':
state->kbd_state = KBD_NORMAL;
return KEY_HOME;
case 'F':
state->kbd_state = KBD_NORMAL;
return KEY_END;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
state->kbd_esc_buf = c;
state->kbd_state = KBD_ESC_EXT;
return KEY_NONE;
default:
state->kbd_state = KBD_NORMAL;
return c;
}
case KBD_ESC_EXT:
switch (c) {
case '~':
switch (state->kbd_esc_buf) {
case '2':
state->kbd_state = KBD_NORMAL;
return KEY_INSERT;
case '3':
state->kbd_state = KBD_NORMAL;
return KEY_DEL;
case '5':
state->kbd_state = KBD_NORMAL;
return KEY_PAGE_UP;
case '6':
state->kbd_state = KBD_NORMAL;
return KEY_PAGE_DOWN;
default:
return c;
}
case 'A':
switch (state->kbd_esc_buf) {
case '2':
state->kbd_state = KBD_NORMAL;
return KEY_SHIFT_ARROW_UP;
case '5':
state->kbd_state = KBD_NORMAL;
return KEY_CTRL_ARROW_UP;
/* Other modifier states? */
default:
return c;
}
case 'B':
switch (state->kbd_esc_buf) {
case '2':
state->kbd_state = KBD_NORMAL;
return KEY_SHIFT_ARROW_DOWN;
case '5':
state->kbd_state = KBD_NORMAL;
return KEY_CTRL_ARROW_DOWN;
/* Other modifier states? */
default:
return c;
}
case 'C':
switch (state->kbd_esc_buf) {
case '2':
state->kbd_state = KBD_NORMAL;
return KEY_SHIFT_ARROW_RIGHT;
case '5':
state->kbd_state = KBD_NORMAL;
return KEY_CTRL_ARROW_RIGHT;
/* Other modifier states? */
default:
return c;
}
case 'D':
switch (state->kbd_esc_buf) {
case '2':
state->kbd_state = KBD_NORMAL;
return KEY_SHIFT_ARROW_LEFT;
case '5':
state->kbd_state = KBD_NORMAL;
return KEY_CTRL_ARROW_LEFT;
/* Other modifier states? */
default:
return c;
}
case ';':
/* We don't produce multiple-argument escapes ourself, but
* we should handle them anyway because other terminals
* definitely do make them... */
state->kbd_state = KBD_ESC_B;
return KEY_NONE;
default:
return c;
}
#define KEY_SCANCODE_NUM_1 0x4f
#define KEY_SCANCODE_NUM_2 0x50
#define KEY_SCANCODE_NUM_3 0x51
#define KEY_SCANCODE_NUM_4 0x4B
#define KEY_SCANCODE_NUM_5 0x4C
#define KEY_SCANCODE_NUM_6 0x4D
#define KEY_SCANCODE_NUM_7 0x47
#define KEY_SCANCODE_NUM_8 0x48
#define KEY_SCANCODE_NUM_9 0x49
#define KEY_SCANCODE_NUM_0 0x52
#define KEY_SCANCODE_NUM_DOT 0x53
#define KEY_SCANCODE_NUM_MIN 0x4a
#define KEY_SCANCODE_NUM_ADD 0x4e
default:
return KEY_BAD_STATE;
}
#define KEY_SCANCODE_NUM_LK 0x45
#define KEY_SCANCODE_SCROLL 0x46
return KEY_BAD_STATE;
}
int kbd_scancode(key_event_state_t * state, unsigned char c, key_event_t * event) {
/* Convert scancodes to a series of keys */
@ -315,16 +179,11 @@ int kbd_scancode(key_event_state_t * state, unsigned char c, key_event_t * event
if (!state->kbd_s_state) {
if (c == 0xE0) {
state->kbd_s_state = 1;
/* Literally nothing */
return 0;
}
if (c & KEY_UP_MASK) {
c ^= KEY_UP_MASK;
event->action = KEY_ACTION_UP;
} else {
event->action = KEY_ACTION_DOWN;
}
event->action = (c & KEY_UP_MASK) ? KEY_ACTION_UP : KEY_ACTION_DOWN;
c &= 0x7F;
int down = (event->action == KEY_ACTION_DOWN);
switch (key_method[c]) {
@ -346,89 +205,89 @@ int kbd_scancode(key_event_state_t * state, unsigned char c, key_event_t * event
event->key = state->k_shift ? kbd_us_l2[c] : kbd_us[c];
}
}
break;
return 1;
case spec:
switch (c) {
case 0x01:
event->key = '\033';
event->keycode = KEY_ESCAPE;
break;
return 1;
case 0x1D:
state->k_ctrl = down;
state->kl_ctrl = down;
event->keycode = KEY_LEFT_CTRL;
SET_UNSET(event->modifiers, KEY_MOD_LEFT_CTRL, down);
break;
return 1;
case 0x2A:
state->k_shift = down;
state->kl_shift = down;
event->keycode = KEY_LEFT_SHIFT;
SET_UNSET(event->modifiers, KEY_MOD_LEFT_SHIFT, down);
break;
return 1;
case 0x36:
state->k_shift = down;
state->kr_shift = down;
event->keycode = KEY_RIGHT_SHIFT;
SET_UNSET(event->modifiers, KEY_MOD_RIGHT_SHIFT, down);
break;
return 1;
case 0x38:
state->k_alt = down;
state->kl_alt = down;
event->keycode = KEY_LEFT_ALT;
SET_UNSET(event->modifiers, KEY_MOD_LEFT_ALT, down);
break;
return 1;
case KEY_SCANCODE_NUM_0:
event->keycode = KEY_NUM_0;
event->key = '0';
break;
return 1;
case KEY_SCANCODE_NUM_1:
event->keycode = KEY_NUM_1;
event->key = '1';
break;
return 1;
case KEY_SCANCODE_NUM_2:
event->keycode = KEY_NUM_2;
event->key = '2';
break;
return 1;
case KEY_SCANCODE_NUM_3:
event->keycode = KEY_NUM_3;
event->key = '3';
break;
return 1;
case KEY_SCANCODE_NUM_4:
event->keycode = KEY_NUM_4;
event->key = '4';
break;
return 1;
case KEY_SCANCODE_NUM_5:
event->keycode = KEY_NUM_5;
event->key = '5';
break;
return 1;
case KEY_SCANCODE_NUM_6:
event->keycode = KEY_NUM_6;
event->key = '6';
break;
return 1;
case KEY_SCANCODE_NUM_7:
event->keycode = KEY_NUM_7;
event->key = '7';
break;
return 1;
case KEY_SCANCODE_NUM_8:
event->keycode = KEY_NUM_8;
event->key = '8';
break;
return 1;
case KEY_SCANCODE_NUM_9:
event->keycode = KEY_NUM_9;
event->key = '9';
break;
return 1;
case KEY_SCANCODE_NUM_DOT:
event->keycode = KEY_NUM_DOT;
event->key = '.';
break;
return 1;
case KEY_SCANCODE_NUM_MIN:
event->keycode = KEY_NUM_MINUS;
event->key = '-';
break;
return 1;
case KEY_SCANCODE_NUM_ADD:
event->keycode = KEY_NUM_PLUS;
event->key = '+';
break;
return 1;
default:
break;
}
@ -437,59 +296,50 @@ int kbd_scancode(key_event_state_t * state, unsigned char c, key_event_t * event
switch (c) {
case KEY_SCANCODE_F1:
event->keycode = KEY_F1;
break;
return 1;
case KEY_SCANCODE_F2:
event->keycode = KEY_F2;
break;
return 1;
case KEY_SCANCODE_F3:
event->keycode = KEY_F3;
break;
return 1;
case KEY_SCANCODE_F4:
event->keycode = KEY_F4;
break;
return 1;
case KEY_SCANCODE_F5:
event->keycode = KEY_F5;
break;
return 1;
case KEY_SCANCODE_F6:
event->keycode = KEY_F6;
break;
return 1;
case KEY_SCANCODE_F7:
event->keycode = KEY_F7;
break;
return 1;
case KEY_SCANCODE_F8:
event->keycode = KEY_F8;
break;
return 1;
case KEY_SCANCODE_F9:
event->keycode = KEY_F9;
break;
return 1;
case KEY_SCANCODE_F10:
event->keycode = KEY_F10;
break;
return 1;
case KEY_SCANCODE_F11:
event->keycode = KEY_F11;
break;
return 1;
case KEY_SCANCODE_F12:
event->keycode = KEY_F12;
break;
return 1;
}
break;
default:
break;
}
if (event->key) {
return down;
}
return 0;
} else if (state->kbd_s_state == 1) {
if (c & KEY_UP_MASK) {
c ^= KEY_UP_MASK;
event->action = KEY_ACTION_UP;
} else {
event->action = KEY_ACTION_DOWN;
}
state->kbd_s_state = 0;
event->action = (c & KEY_UP_MASK) ? KEY_ACTION_UP : KEY_ACTION_DOWN;
c &= 0x7F;
int down = (event->action == KEY_ACTION_DOWN);
switch (c) {
@ -498,69 +348,72 @@ int kbd_scancode(key_event_state_t * state, unsigned char c, key_event_t * event
state->kl_super = down;
event->keycode = KEY_LEFT_SUPER;
SET_UNSET(event->modifiers, KEY_MOD_LEFT_SUPER, down);
break;
return 1;
case 0x5C:
state->k_super = down;
state->kr_super = down;
event->keycode = KEY_RIGHT_SUPER;
SET_UNSET(event->modifiers, KEY_MOD_RIGHT_SUPER, down);
break;
return 1;
case 0x1D:
state->kr_ctrl = down;
state->k_ctrl = down;
event->keycode = KEY_RIGHT_CTRL;
SET_UNSET(event->modifiers, KEY_MOD_RIGHT_CTRL, down);
break;
return 1;
case 0x38:
state->kr_alt = down;
state->k_alt = down;
event->keycode = KEY_RIGHT_ALT;
SET_UNSET(event->modifiers, KEY_MOD_RIGHT_ALT, down);
break;
return 1;
case 0x48:
event->keycode = KEY_ARROW_UP;
break;
return 1;
case 0x4D:
event->keycode = KEY_ARROW_RIGHT;
break;
return 1;
case 0x47:
event->keycode = KEY_HOME;
break;
return 1;
case 0x49:
event->keycode = KEY_PAGE_UP;
break;
return 1;
case 0x4B:
event->keycode = KEY_ARROW_LEFT;
break;
return 1;
case 0x4F:
event->keycode = KEY_END;
break;
return 1;
case 0x50:
event->keycode = KEY_ARROW_DOWN;
break;
return 1;
case 0x51:
event->keycode = KEY_PAGE_DOWN;
break;
return 1;
case 0x52:
event->keycode = KEY_INSERT;
break;
return 1;
case 0x53:
event->keycode = KEY_DEL;
break;
return 1;
case 0x35:
event->keycode = KEY_NUM_DIV;
event->key = '/';
break;
return 1;
case 0x1C:
event->keycode = KEY_NUM_ENTER;
event->key = '\n';
break;
return 1;
case 0x2a:
event->keycode = KEY_PRINT_SCREEN;
return 1;
case 0x5D:
event->keycode = KEY_APP;
return 1;
default:
break;
}
state->kbd_s_state = 0;
return 0;
}
return 0;
}