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Leonmmcoset
2026-04-22 19:51:26 +08:00
parent e5ff77ccb4
commit 6b5a19a19d
5 changed files with 37 additions and 0 deletions
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8
clks/kernel/interface/tty.c
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@@ -4,6 +4,8 @@
#include <clks/tty.h>
#include <clks/types.h>
/* Terminal code: where simple text output turns into a whole damn life choice. */
#define CLKS_TTY_COUNT 4
#define CLKS_TTY_MAX_ROWS 128
#define CLKS_TTY_MAX_COLS 256
@@ -69,6 +71,7 @@ static clks_bool clks_tty_scrollback_is_active(u32 tty_index);
static void clks_tty_redraw_active(void);
static u32 clks_tty_ansi_palette(u32 index) {
/* Good-enough ANSI colors, because perfect fidelity can wait until never. */
static const u32 palette[16] = {0x00000000U, 0x00CD3131U, 0x000DBC79U, 0x00E5E510U, 0x002472C8U, 0x00BC3FBCU,
0x0011A8CDU, 0x00E5E5E5U, 0x00666666U, 0x00F14C4CU, 0x0023D18BU, 0x00F5F543U,
0x003B8EEAU, 0x00D670D6U, 0x0029B8DBU, 0x00FFFFFFU};
@@ -132,6 +135,7 @@ static void clks_tty_flush_dirty(void) {
return;
}
/* Dirty-row redraw: cheap as hell, but it keeps typing snappy. */
for (row = 0U; row < clks_tty_content_rows(); row++) {
if (clks_tty_dirty_rows[row] != CLKS_TRUE) {
continue;
@@ -172,6 +176,7 @@ static u32 clks_tty_scrollback_clamped_offset(u32 tty_index) {
static void clks_tty_scrollback_push_row(u32 tty_index, u32 row) {
u32 slot = clks_tty_scrollback_head[tty_index];
/* Save the line before scroll nukes it, because users always want it back. */
clks_memcpy(clks_tty_scrollback_cells[tty_index][slot], clks_tty_cells[tty_index][row], clks_tty_cols);
clks_memcpy(clks_tty_scrollback_fg[tty_index][slot], clks_tty_cell_fg[tty_index][row],
(usize)clks_tty_cols * sizeof(u32));
@@ -427,6 +432,7 @@ static void clks_tty_redraw_active(void) {
u32 scroll_offset = clks_tty_scrollback_clamped_offset(tty_index);
u32 start_doc = (scroll_count >= scroll_offset) ? (scroll_count - scroll_offset) : 0U;
/* Full redraw is expensive, but sometimes the least cursed option. */
clks_fb_clear(CLKS_TTY_BG);
clks_tty_cursor_visible = CLKS_FALSE;
clks_tty_dirty_reset();
@@ -471,6 +477,7 @@ static void clks_tty_redraw_active(void) {
static void clks_tty_scroll_up(u32 tty_index) {
u32 row;
/* Classic terminal move: throw top line away, pretend everything is fine. */
clks_tty_scrollback_push_row(tty_index, 0U);
for (row = 1; row < clks_tty_content_rows(); row++) {
@@ -1167,6 +1174,7 @@ void clks_tty_init(void) {
return;
}
/* If framebuffer lies here, the whole UI goes to hell immediately. */
info = clks_fb_info();
clks_tty_cell_width = clks_fb_cell_width();
clks_tty_cell_height = clks_fb_cell_height();