feat: 图形桌面 + 独立工具应用 + Sealed Arc UI 设计系统 | desktop.elf窗口管理器/6个工具应用(bash/editor/fileman/browser/curl/ping)/desktop_app.h公共头文件/Sealed Arc设计系统/DRR完整实现/Process增强/DSK启动改为加载desktop.elf/Shell重构/开发文档
This commit is contained in:
xyou
@@ -0,0 +1,230 @@
|
||||
/* Deshab File Manager — 全屏文件管理器
|
||||
* 文件列表视图，鼠标点击选择，键盘导航。
|
||||
* FAT32 根目录遍历，Esc 退出。
|
||||
*/
|
||||
|
||||
#include "../../firstInit/ascii_bitmaps.c"
|
||||
#include "../desktop_app.h"
|
||||
|
||||
#define CHAR_STEP 12
|
||||
#define CHAR_H 18
|
||||
#define MAX_FILES 256
|
||||
|
||||
static da_app_context g_ac;
|
||||
static da_cursor g_cursor;
|
||||
static da_mouse g_mouse;
|
||||
|
||||
typedef struct {
|
||||
char name[13]; /* 8.3 */
|
||||
int is_dir;
|
||||
u32 size;
|
||||
} file_entry;
|
||||
|
||||
static file_entry files[MAX_FILES];
|
||||
static int file_count = 0;
|
||||
static int selected = 0;
|
||||
static int scroll_off = 0;
|
||||
|
||||
static void load_root_dir(void) {
|
||||
file_count = 0;
|
||||
if (!g_ac.block_read) return;
|
||||
|
||||
u8 bpb[512];
|
||||
if (g_ac.block_read(0, 0, 1, bpb) != 0) return;
|
||||
if (bpb[510] != 0x55 || bpb[511] != 0xAA) return;
|
||||
|
||||
u32 root_cluster = *(u32 *)(bpb + 44);
|
||||
u8 sectors_per_cluster = bpb[13];
|
||||
u32 fat_start = *(u16 *)(bpb + 14);
|
||||
u32 data_start = fat_start + (*(u16 *)(bpb + 22)) * 2;
|
||||
|
||||
u8 dir_buf[8192];
|
||||
u32 lba = data_start + (root_cluster - 2) * sectors_per_cluster;
|
||||
if (g_ac.block_read(0, lba, sectors_per_cluster, dir_buf) != 0) return;
|
||||
|
||||
for (int i = 0; i < (int)(sectors_per_cluster * 512) && file_count < MAX_FILES; i += 32) {
|
||||
u8 first = dir_buf[i];
|
||||
if (first == 0x00) break;
|
||||
if (first == 0xE5) continue;
|
||||
if (dir_buf[i+11] & 0x08) continue;
|
||||
if (dir_buf[i+11] & 0x10) continue; /* 暂跳过目录 */
|
||||
|
||||
file_entry *f = &files[file_count];
|
||||
f->is_dir = (dir_buf[i+11] & 0x10) ? 1 : 0;
|
||||
f->size = *(u32 *)(dir_buf + i + 28);
|
||||
int p = 0;
|
||||
for (int j = 0; j < 8 && dir_buf[i+j] != ' '; j++)
|
||||
f->name[p++] = (char)dir_buf[i+j];
|
||||
if (dir_buf[i+8] != ' ') {
|
||||
f->name[p++] = '.';
|
||||
for (int j = 8; j < 11 && dir_buf[i+j] != ' '; j++)
|
||||
f->name[p++] = (char)dir_buf[i+j];
|
||||
}
|
||||
f->name[p] = 0;
|
||||
file_count++;
|
||||
}
|
||||
}
|
||||
|
||||
static void redraw_all(void) {
|
||||
da_fill_bg(&g_ac, DA_BG_PRIMARY);
|
||||
da_draw_titlebar(&g_ac, "Files", (i64)g_ac.fb_w);
|
||||
|
||||
int margin = 12;
|
||||
int top_y = DA_TITLEBAR_H + 4;
|
||||
int row_h = CHAR_H + 6;
|
||||
int visible_rows = ((int)g_ac.fb_h - top_y - DA_STATUSBAR_H - 8) / row_h;
|
||||
int col_name_x = margin + 32;
|
||||
int col_size_x = (int)g_ac.fb_w - 120;
|
||||
int col_type_x = (int)g_ac.fb_w - 60;
|
||||
|
||||
/* 列标题 */
|
||||
da_draw_string(&g_ac, "Name", col_name_x, top_y, DA_TEXT_DIM, DA_BG_PRIMARY, CHAR_STEP);
|
||||
da_draw_string(&g_ac, "Size", col_size_x, top_y, DA_TEXT_DIM, DA_BG_PRIMARY, CHAR_STEP);
|
||||
da_draw_string(&g_ac, "Type", col_type_x, top_y, DA_TEXT_DIM, DA_BG_PRIMARY, CHAR_STEP);
|
||||
da_fill_rect(&g_ac, margin, top_y + CHAR_H, (i64)g_ac.fb_w - margin * 2, 1, DA_BORDER);
|
||||
|
||||
/* 文件列表 */
|
||||
if (scroll_off < 0) scroll_off = 0;
|
||||
if (scroll_off > file_count - visible_rows && file_count > visible_rows) scroll_off = file_count - visible_rows;
|
||||
if (scroll_off < 0) scroll_off = 0;
|
||||
|
||||
for (int i = 0; i < visible_rows; i++) {
|
||||
int idx = scroll_off + i;
|
||||
if (idx >= file_count) break;
|
||||
int y = top_y + CHAR_H + 6 + i * row_h;
|
||||
|
||||
/* 选中高亮 */
|
||||
if (idx == selected) {
|
||||
da_fill_rect(&g_ac, margin, y - 2, (i64)g_ac.fb_w - margin * 2, row_h, DA_BG_TERTIARY);
|
||||
da_rect_outline(&g_ac, margin, y - 2, (i64)g_ac.fb_w - margin * 2, row_h, DA_ACCENT, 4);
|
||||
}
|
||||
|
||||
/* 图标 */
|
||||
u32 icon_color = files[idx].is_dir ? DA_WARNING : DA_ACCENT;
|
||||
da_fill_rounded_rect(&g_ac, margin + 4, y, 24, 16, icon_color, 3);
|
||||
|
||||
/* 文件名 */
|
||||
u32 name_color = (idx == selected) ? DA_ACCENT_LIGHT : DA_TEXT_PRIMARY;
|
||||
da_draw_string(&g_ac, files[idx].name, col_name_x, y, name_color,
|
||||
(idx == selected) ? DA_BG_TERTIARY : DA_BG_PRIMARY, CHAR_STEP);
|
||||
|
||||
/* 大小 */
|
||||
if (!files[idx].is_dir) {
|
||||
char sz[16]; int p = 0;
|
||||
u32 s = files[idx].size;
|
||||
if (s == 0) { sz[p++] = '0'; }
|
||||
else { char tmp[12]; int tl = 0; while(s>0){tmp[tl++]='0'+(s%10);s/=10;} for(int j=tl-1;j>=0;j--)sz[p++]=tmp[j]; }
|
||||
sz[p++] = ' '; sz[p++] = 'B'; sz[p] = 0;
|
||||
da_draw_string(&g_ac, sz, col_size_x, y, DA_TEXT_DIM,
|
||||
(idx == selected) ? DA_BG_TERTIARY : DA_BG_PRIMARY, CHAR_STEP);
|
||||
} else {
|
||||
da_draw_string(&g_ac, "--", col_size_x, y, DA_TEXT_DIM,
|
||||
(idx == selected) ? DA_BG_TERTIARY : DA_BG_PRIMARY, CHAR_STEP);
|
||||
}
|
||||
|
||||
/* 类型 */
|
||||
const char *type = files[idx].is_dir ? "DIR" : "FILE";
|
||||
da_draw_string(&g_ac, type, col_type_x, y, DA_TEXT_DIM,
|
||||
(idx == selected) ? DA_BG_TERTIARY : DA_BG_PRIMARY, CHAR_STEP);
|
||||
}
|
||||
|
||||
if (file_count == 0) {
|
||||
da_draw_string(&g_ac, "No files found (empty or no block device)",
|
||||
margin + 20, top_y + 60, DA_TEXT_DIM, DA_BG_PRIMARY, CHAR_STEP);
|
||||
}
|
||||
|
||||
/* 状态栏 */
|
||||
char status[64]; int p = 0;
|
||||
const char *p1 = "/ "; while (*p1) status[p++] = *p1++;
|
||||
status[p++] = '0' + file_count / 10; status[p++] = '0' + file_count % 10;
|
||||
const char *p2 = " items"; while (*p2) status[p++] = *p2++;
|
||||
status[p] = 0;
|
||||
da_draw_statusbar(&g_ac, status, (i64)g_ac.fb_w, (i64)g_ac.fb_h);
|
||||
|
||||
/* 鼠标光标 */
|
||||
da_cursor_save(&g_ac, &g_cursor);
|
||||
da_cursor_draw(&g_ac, &g_cursor, DA_CURSOR_COLOR);
|
||||
}
|
||||
|
||||
__attribute__((visibility("default")))
|
||||
void dsk_entry(const da_boot_context *ctx) {
|
||||
__asm__ volatile("cli");
|
||||
da_slog("fileman", "boot");
|
||||
|
||||
if (!ctx || ctx->magic != DA_BOOT_MAGIC) {
|
||||
da_slog("fileman", "bad context");
|
||||
for(;;) __asm__("hlt");
|
||||
}
|
||||
|
||||
da_init(&g_ac, ctx);
|
||||
da_cursor_init(&g_cursor, (i64)g_ac.fb_w, (i64)g_ac.fb_h);
|
||||
da_mouse_init();
|
||||
|
||||
load_root_dir();
|
||||
redraw_all();
|
||||
|
||||
int e0 = 0, shift = 0; (void)shift;
|
||||
for (;;) {
|
||||
int need_redraw = 0;
|
||||
|
||||
/* 鼠标轮询 */
|
||||
if (da_mouse_poll(&g_mouse, &g_cursor, (i64)g_ac.fb_w, (i64)g_ac.fb_h)) {
|
||||
need_redraw = 1;
|
||||
if (g_cursor.btn) {
|
||||
/* 点击选择文件 */
|
||||
int margin = 12;
|
||||
int top_y = DA_TITLEBAR_H + 4;
|
||||
int row_h = CHAR_H + 6;
|
||||
int click_y = g_cursor.my - top_y - CHAR_H - 6;
|
||||
if (click_y >= 0) {
|
||||
int idx = click_y / row_h + scroll_off;
|
||||
if (idx >= 0 && idx < file_count) {
|
||||
selected = idx;
|
||||
need_redraw = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* 键盘轮询 */
|
||||
u8 st = inb(0x64);
|
||||
if ((st & 1) && !(st & 0x20)) {
|
||||
u8 data = inb(0x60);
|
||||
u8 sc = data;
|
||||
if (sc == 0xE0) { e0 = 1; goto skip; }
|
||||
if (sc == 0x2A || sc == 0x36) { shift = 1; goto skip; }
|
||||
if (sc == 0xAA || sc == 0xB6) { shift = 0; goto skip; }
|
||||
if (sc & 0x80) { e0 = 0; goto skip; }
|
||||
|
||||
if (sc == 0x01) { da_slog("fileman", "exit"); return; }
|
||||
|
||||
if (e0) {
|
||||
if (sc == 0x48) { /* Up */
|
||||
if (selected > 0) selected--;
|
||||
need_redraw = 1;
|
||||
} else if (sc == 0x50) { /* Down */
|
||||
if (selected < file_count - 1) selected++;
|
||||
need_redraw = 1;
|
||||
}
|
||||
e0 = 0;
|
||||
goto skip;
|
||||
}
|
||||
|
||||
if (sc == 0x1C) { /* Enter - 打开 */
|
||||
if (selected >= 0 && selected < file_count) {
|
||||
da_slog("fileman", "open file (stub)");
|
||||
}
|
||||
need_redraw = 1;
|
||||
} else if (sc == 0x0E) { /* Backspace - 返回上级 */
|
||||
da_slog("fileman", "back (root only)");
|
||||
need_redraw = 1;
|
||||
}
|
||||
}
|
||||
skip:
|
||||
if (need_redraw) {
|
||||
da_cursor_restore(&g_ac, &g_cursor);
|
||||
redraw_all();
|
||||
}
|
||||
__asm__("pause");
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user