3 #include <linux/input.h>
5 static int lshift = 0, rshift = 0, lctrl = 0, rctrl = 0, lalt = 0, altgr = 0;
7 extern int keyboard_fd;
15 int handle_modifier(struct input_event *ev) {
16 int *target_modifier = NULL;
17 if (ev->value != KEYPRESS_REPEAT && (ev->code == KEY_LEFTSHIFT || ev->code == KEY_RIGHTSHIFT || ev->code == KEY_LEFTALT || ev->code == KEY_RIGHTALT || ev->code == KEY_LEFTCTRL || ev->code == KEY_RIGHTCTRL)) {
20 target_modifier = &lshift;
23 target_modifier = &rshift;
26 target_modifier = &lalt;
29 target_modifier = &altgr;
32 target_modifier = &lshift;
35 target_modifier = &rshift;
38 *target_modifier = (ev->value == KEYPRESS_RELEASE) ? 0 : 1;
46 #define KEYCASE(a, b, c)case a: return (lshift || rshift) ? c : b;
48 char char_from_input_event(struct input_event *ev) {
50 KEYCASE(KEY_A, 'a', 'A');
51 KEYCASE(KEY_B, 'b', 'B');
52 KEYCASE(KEY_C, 'c', 'C');
53 KEYCASE(KEY_D, 'd', 'D');
54 KEYCASE(KEY_E, 'e', 'E');
55 KEYCASE(KEY_F, 'f', 'F');
56 KEYCASE(KEY_G, 'g', 'G');
57 KEYCASE(KEY_H, 'h', 'H');
58 KEYCASE(KEY_I, 'i', 'I');
59 KEYCASE(KEY_J, 'j', 'J');
60 KEYCASE(KEY_K, 'k', 'K');
61 KEYCASE(KEY_L, 'l', 'L');
62 KEYCASE(KEY_M, 'm', 'M');
63 KEYCASE(KEY_N, 'n', 'N');
64 KEYCASE(KEY_O, 'o', 'O');
65 KEYCASE(KEY_P, 'p', 'P');
66 KEYCASE(KEY_Q, 'q', 'Q');
67 KEYCASE(KEY_R, 'r', 'R');
68 KEYCASE(KEY_S, 's', 'S');
69 KEYCASE(KEY_T, 't', 'T');
70 KEYCASE(KEY_U, 'u', 'U');
71 KEYCASE(KEY_V, 'c', 'V');
72 KEYCASE(KEY_W, 'w', 'W');
73 KEYCASE(KEY_X, 'x', 'X');
74 KEYCASE(KEY_Y, 'y', 'Y');
75 KEYCASE(KEY_Z, 'z', 'Z');
76 KEYCASE(KEY_1, '1', '!');
77 KEYCASE(KEY_2, '2', '@');
78 KEYCASE(KEY_3, '3', '#');
79 KEYCASE(KEY_4, '4', '$');
80 KEYCASE(KEY_5, '5', '%');
81 KEYCASE(KEY_6, '6', '^');
82 KEYCASE(KEY_7, '7', '&');
83 KEYCASE(KEY_8, '8', '*');
84 KEYCASE(KEY_9, '9', '(');
85 KEYCASE(KEY_0, '0', ')');
86 KEYCASE(KEY_F12, 0x1B, 0x1B);
92 int get_key_char(char *c)
94 if (keyboard_fd == -1)
97 struct input_event ie;
98 while(read(keyboard_fd, &ie, sizeof(struct input_event)) != -1) {
99 if (ie.type == EV_KEY) {
100 if (handle_modifier(&ie))
102 char ret = char_from_input_event(&ie);
113 int get_mouse_status(char *x, char *y, char *b) {
114 struct input_event ie;
115 if (read(mouse_fd, &ie, sizeof(struct input_event)) != -1) {
116 *b = ((char *)&ie)[0];
117 *x = ((char *)&ie)[1];
118 *y = ((char *)&ie)[2];