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This commit is contained in:
xyou
2026-07-28 12:00:02 +08:00
parent efa626ed17
commit 17a577f2ed
51 changed files with 8446 additions and 787 deletions
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CODE/tools/editor/main.c
+123 -19
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@@ -1,14 +1,18 @@
/* Deshab Editor — 全屏文本编辑器
* PS/2 键盘输入，行号 + 光标 + 垂直滚动。
* Ctrl+O 打开文件，Ctrl+S 保存（暂不支持），Esc 退出。
* Ctrl+O 打开文件（输入 8.3 名，从 FAT32 根目录读取）
* Ctrl+S 保存文件（输入 8.3 名，写入 FAT32 根目录）
* Esc 退出。
*/
#include "../../firstInit/ascii_bitmaps.c"
#include "../desktop_app.h"
#include "../fat32_io.h"
#define CHAR_STEP 12
#define CHAR_H 18
#define EDITOR_BUF_SIZE 65536
#define INPUT_BUF_SIZE 16
static da_app_context g_ac;
@@ -22,6 +26,11 @@ static int modified = 0;
static char filename[64] = "untitled";
static int ctrl_down = 0;
/* 输入模式：Ctrl+O/Ctrl+S 时进入，在状态栏输入文件名 */
static int input_mode = 0; /* 0=编辑, 1=open, 2=save */
static char input_buf[INPUT_BUF_SIZE];
static int input_len = 0;
static int line_start(int line) {
int l = 0;
for (int i = 0; i < text_len; i++) {
@@ -47,6 +56,63 @@ static void init_default_text(void) {
recalc_cursor();
}
/* ---- 文件打开/保存 ---- */
static void do_open(void) {
if (input_len == 0) return;
char name11[11];
if (f32_name_to_83(input_buf, name11) != 0) {
da_slog("editor", "open: bad name");
return;
}
u8 *data = 0; u32 size = 0;
if (f32_read_root_file(name11, &data, &size) != 0) {
da_slog("editor", "open: read failed");
return;
}
if (size > EDITOR_BUF_SIZE) size = EDITOR_BUF_SIZE;
text_len = (int)size;
for (int i = 0; i < text_len; i++) text_buf[i] = (char)data[i];
cursor_pos = 0;
modified = 0;
/* 更新 filename 显示 */
int p = 0;
for (int i = 0; i < input_len && p < 60; i++) filename[p++] = input_buf[i];
filename[p] = 0;
recalc_cursor();
da_slog("editor", "open: ok");
}
static void do_save(void) {
if (input_len == 0) return;
char name11[11];
if (f32_name_to_83(input_buf, name11) != 0) {
da_slog("editor", "save: bad name");
return;
}
if (f32_write_root_file(name11, (const u8 *)text_buf, (u32)text_len) != 0) {
da_slog("editor", "save: write failed");
return;
}
modified = 0;
int p = 0;
for (int i = 0; i < input_len && p < 60; i++) filename[p++] = input_buf[i];
filename[p] = 0;
da_slog("editor", "save: ok");
}
static void enter_input_mode(int mode) {
input_mode = mode;
input_len = 0;
input_buf[0] = 0;
}
static void commit_input(void) {
int mode = input_mode;
input_mode = 0;
if (mode == 1) do_open();
else if (mode == 2) do_save();
}
static void redraw_all(void) {
da_fill_bg(&g_ac, DA_BG_SECONDARY);
char title[80];
@@ -74,16 +140,13 @@ static void redraw_all(void) {
for (; pos <= text_len && line < scroll_y + visible_rows; ) {
if (line >= scroll_y) {
int screen_y = top_y + (line - scroll_y) * CHAR_H;
/* 行号 */
char ln[8];
ln[0] = '0' + ((line+1)/100)%10;
ln[1] = '0' + ((line+1)/10)%10;
ln[2] = '0' + (line+1)%10;
ln[3] = 0;
da_draw_string(&g_ac, ln, margin_x, screen_y, DA_TEXT_DIM, DA_BG_SECONDARY, CHAR_STEP);
/* 分隔线 */
da_fill_rect(&g_ac, margin_x + line_num_w - 2, screen_y, 1, CHAR_H, DA_BORDER);
/* 文本 */
int col = 0;
while (pos < text_len && text_buf[pos] != '\n' && col < visible_cols) {
da_draw_char(&g_ac, text_buf[pos],
@@ -97,25 +160,35 @@ static void redraw_all(void) {
if (pos < text_len && text_buf[pos] == '\n') pos++;
line++;
if (pos >= text_len) {
/* 空行也画光标 */
if (line > cursor_line) break;
}
}
/* 光标 */
if (cursor_line >= scroll_y && cursor_line < scroll_y + visible_rows) {
/* 光标（编辑模式） */
if (!input_mode && cursor_line >= scroll_y && cursor_line < scroll_y + visible_rows) {
int cy = top_y + (cursor_line - scroll_y) * CHAR_H;
int cx = text_x + cursor_col * CHAR_STEP;
da_fill_rect(&g_ac, cx, cy, 2, CHAR_H, DA_ACCENT_LIGHT);
}
/* 状态栏 */
char status[64]; p = 0;
const char *s1 = "L:"; while (*s1) status[p++] = *s1++;
status[p++] = '0' + (cursor_line+1)/10%10; status[p++] = '0' + (cursor_line+1)%10;
const char *s2 = " C:"; while (*s2) status[p++] = *s2++;
status[p++] = '0' + (cursor_col+1)/10%10; status[p++] = '0' + (cursor_col+1)%10;
if (modified) { const char *m = " *"; while (*m) status[p++] = *m++; }
char status[96]; p = 0;
if (input_mode) {
const char *prompt = (input_mode == 1) ? "Open: " : "Save: ";
while (*prompt) status[p++] = *prompt++;
for (int i = 0; i < input_len; i++) status[p++] = input_buf[i];
status[p++] = '_';
const char *hint = " Enter:confirm Esc:cancel";
while (*hint && p < 95) status[p++] = *hint++;
} else {
const char *s1 = "L:"; while (*s1) status[p++] = *s1++;
status[p++] = '0' + (cursor_line+1)/10%10; status[p++] = '0' + (cursor_line+1)%10;
const char *s2 = " C:"; while (*s2) status[p++] = *s2++;
status[p++] = '0' + (cursor_col+1)/10%10; status[p++] = '0' + (cursor_col+1)%10;
if (modified) { const char *m = " *"; while (*m) status[p++] = *m++; }
const char *s3 = " Ctrl+O:Open Ctrl+S:Save Esc:Exit";
while (*s3 && p < 95) status[p++] = *s3++;
}
status[p] = 0;
da_draw_statusbar(&g_ac, status, (i64)g_ac.fb_w, (i64)g_ac.fb_h);
}
@@ -131,6 +204,7 @@ void dsk_entry(const da_boot_context *ctx) {
}
da_init(&g_ac, ctx);
f32_init((f32_block_read_fn)g_ac.block_read, (f32_block_write_fn)g_ac.block_write);
init_default_text();
redraw_all();
@@ -148,6 +222,36 @@ void dsk_entry(const da_boot_context *ctx) {
if (sc == 0x9D) { ctrl_down = 0; continue; }
if (sc & 0x80) { e0 = 0; continue; }
/* Esc：输入模式取消 / 编辑模式退出 */
if (sc == 0x01 && !e0) {
if (input_mode) { input_mode = 0; redraw_all(); continue; }
da_slog("editor", "exit");
return;
}
/* ---- 输入模式：输入文件名 ---- */
if (input_mode) {
if (sc == 0x1C) { /* Enter - 确认 */
commit_input();
redraw_all();
continue;
}
if (sc == 0x0E) { /* Backspace */
if (input_len > 0) input_len--;
input_buf[input_len] = 0;
redraw_all();
continue;
}
char c = da_scan_to_ascii(sc, shift);
if (c && c >= 32 && c <= 126 && input_len < INPUT_BUF_SIZE - 1) {
input_buf[input_len++] = c;
input_buf[input_len] = 0;
redraw_all();
}
continue;
}
/* ---- 编辑模式 ---- */
/* Esc 退出 */
if (sc == 0x01 && !e0) { da_slog("editor", "exit"); return; }
@@ -212,16 +316,16 @@ void dsk_entry(const da_boot_context *ctx) {
modified = 1;
}
} else {
/* Ctrl+O: 打开文件（提示暂不支持） */
/* Ctrl+O: 打开文件 */
if (ctrl_down && (sc == 0x18)) {
/* Ctrl+O - stub */
da_slog("editor", "Ctrl+O - open not yet");
enter_input_mode(1);
redraw_all();
continue;
}
/* Ctrl+S: 保存（提示暂不支持） */
/* Ctrl+S: 保存文件 */
if (ctrl_down && (sc == 0x1F)) {
da_slog("editor", "Ctrl+S - save not yet");
modified = 0;
enter_input_mode(2);
redraw_all();
continue;
}
char c = da_scan_to_ascii(sc, shift);