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Leonmmcoset
2026-04-15 19:10:00 +08:00
parent ceb04e9289
commit dad78c4f2e
4 changed files with 331 additions and 29 deletions
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4
clks/include/clks/keyboard.h
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@@ -10,6 +10,9 @@
#define CLKS_KEY_HOME ((char)0x05)
#define CLKS_KEY_END ((char)0x06)
#define CLKS_KEY_DELETE ((char)0x07)
#define CLKS_KEY_SELECT_ALL ((char)0x10)
#define CLKS_KEY_COPY ((char)0x11)
#define CLKS_KEY_PASTE ((char)0x12)
void clks_keyboard_init(void);
void clks_keyboard_handle_scancode(u8 scancode);
@@ -22,3 +25,4 @@ u64 clks_keyboard_push_count(void);
u64 clks_keyboard_pop_count(void);
#endif

63
clks/kernel/keyboard.c
View File

@@ -8,6 +8,7 @@
#define CLKS_SC_ALT 0x38U
#define CLKS_SC_LSHIFT 0x2AU
#define CLKS_SC_RSHIFT 0x36U
#define CLKS_SC_CTRL 0x1DU
#define CLKS_SC_F1 0x3BU
#define CLKS_SC_F2 0x3CU
#define CLKS_SC_F3 0x3DU
@@ -58,6 +59,8 @@ static u16 clks_kbd_input_count[CLKS_KBD_TTY_MAX];
static clks_bool clks_kbd_alt_down = CLKS_FALSE;
static clks_bool clks_kbd_lshift_down = CLKS_FALSE;
static clks_bool clks_kbd_rshift_down = CLKS_FALSE;
static clks_bool clks_kbd_lctrl_down = CLKS_FALSE;
static clks_bool clks_kbd_rctrl_down = CLKS_FALSE;
static clks_bool clks_kbd_e0_prefix = CLKS_FALSE;
static u64 clks_kbd_hotkey_switches = 0ULL;
@@ -160,6 +163,39 @@ static char clks_keyboard_translate_scancode(u8 code) {
return clks_kbd_map[code];
}
static clks_bool clks_keyboard_ctrl_active(void) {
return (clks_kbd_lctrl_down == CLKS_TRUE || clks_kbd_rctrl_down == CLKS_TRUE) ? CLKS_TRUE : CLKS_FALSE;
}
static clks_bool clks_keyboard_try_emit_ctrl_shortcut(u8 code, u32 tty_index) {
char shortcut = '\0';
if (clks_keyboard_ctrl_active() == CLKS_FALSE) {
return CLKS_FALSE;
}
switch (code) {
case 0x1EU:
shortcut = CLKS_KEY_SELECT_ALL;
break;
case 0x2EU:
shortcut = CLKS_KEY_COPY;
break;
case 0x2FU:
shortcut = CLKS_KEY_PASTE;
break;
default:
return CLKS_FALSE;
}
if (clks_keyboard_queue_push_for_tty(tty_index, shortcut) == CLKS_TRUE &&
clks_keyboard_should_pump_shell_now() == CLKS_TRUE) {
clks_shell_pump_input(1U);
}
return CLKS_TRUE;
}
void clks_keyboard_init(void) {
u32 tty;
@@ -172,6 +208,8 @@ void clks_keyboard_init(void) {
clks_kbd_alt_down = CLKS_FALSE;
clks_kbd_lshift_down = CLKS_FALSE;
clks_kbd_rshift_down = CLKS_FALSE;
clks_kbd_lctrl_down = CLKS_FALSE;
clks_kbd_rctrl_down = CLKS_FALSE;
clks_kbd_e0_prefix = CLKS_FALSE;
clks_kbd_hotkey_switches = 0ULL;
clks_kbd_push_count = 0ULL;
@@ -195,8 +233,24 @@ void clks_keyboard_handle_scancode(u8 scancode) {
released = ((scancode & 0x80U) != 0U) ? CLKS_TRUE : CLKS_FALSE;
code = (u8)(scancode & 0x7FU);
if (code == CLKS_SC_CTRL) {
if (clks_kbd_e0_prefix == CLKS_TRUE) {
clks_kbd_rctrl_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
clks_kbd_e0_prefix = CLKS_FALSE;
return;
}
clks_kbd_lctrl_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
return;
}
if (code == CLKS_SC_ALT) {
clks_kbd_alt_down = (released == CLKS_FALSE) ? CLKS_TRUE : CLKS_FALSE;
if (clks_kbd_e0_prefix == CLKS_TRUE) {
clks_kbd_e0_prefix = CLKS_FALSE;
}
return;
}
@@ -264,8 +318,14 @@ void clks_keyboard_handle_scancode(u8 scancode) {
}
{
char translated = clks_keyboard_translate_scancode(code);
u32 active_tty = clks_tty_active();
char translated;
if (clks_keyboard_try_emit_ctrl_shortcut(code, active_tty) == CLKS_TRUE) {
return;
}
translated = clks_keyboard_translate_scancode(code);
if (translated != '\0') {
if (clks_keyboard_queue_push_for_tty(active_tty, translated) == CLKS_TRUE &&
@@ -320,3 +380,4 @@ u64 clks_keyboard_push_count(void) {
u64 clks_keyboard_pop_count(void) {
return clks_kbd_pop_count;
}