feat: split desktop implementation into multiple source files, reorganize apps

This commit is contained in:
2026-03-06 08:15:06 +01:00
parent b148f0605a
commit 3985188baa
24 changed files with 1591 additions and 1517 deletions
@@ -0,0 +1,745 @@
/*
* app_filemanager.cpp
* MontaukOS Desktop - Enhanced File Manager application
* Copyright (c) 2026 Daniel Hammer
*/
#include "apps_common.hpp"
// ============================================================================
// File Manager state
// ============================================================================
struct FileManagerState {
char current_path[256];
char history[16][256];
int history_pos;
int history_count;
char entry_names[64][64];
int entry_types[64]; // 0=file, 1=directory, 2=executable
int entry_sizes[64];
int entry_count;
int selected;
int scroll_offset;
bool is_dir[64];
int last_click_item;
uint64_t last_click_time;
Scrollbar scrollbar;
DesktopState* desktop;
bool grid_view;
};
static constexpr int FM_TOOLBAR_H = 32;
static constexpr int FM_PATHBAR_H = 24;
static constexpr int FM_HEADER_H = 20;
static constexpr int FM_ITEM_H = 24;
static constexpr int FM_SCROLLBAR_W = 12;
static constexpr int FM_GRID_CELL_W = 80;
static constexpr int FM_GRID_CELL_H = 80;
static constexpr int FM_GRID_ICON = 48;
static constexpr int FM_GRID_PAD = 4;
// ============================================================================
// File type detection
// ============================================================================
static bool str_ends_with(const char* s, const char* suffix) {
int slen = montauk::slen(s);
int suflen = montauk::slen(suffix);
if (suflen > slen) return false;
for (int i = 0; i < suflen; i++) {
char sc = s[slen - suflen + i];
char ec = suffix[i];
if (sc >= 'A' && sc <= 'Z') sc += 32;
if (ec >= 'A' && ec <= 'Z') ec += 32;
if (sc != ec) return false;
}
return true;
}
static bool is_image_file(const char* name) {
return str_ends_with(name, ".jpg") || str_ends_with(name, ".jpeg");
}
static bool is_font_file(const char* name) {
return str_ends_with(name, ".ttf");
}
static bool is_pdf_file(const char* name) {
return str_ends_with(name, ".pdf");
}
static bool is_spreadsheet_file(const char* name) {
return str_ends_with(name, ".mss");
}
static int detect_file_type(const char* name, bool is_dir) {
if (is_dir) return 1;
if (str_ends_with(name, ".elf")) return 2;
return 0;
}
// ============================================================================
// Directory reading with sorting and file sizes
// ============================================================================
static void filemanager_read_dir(FileManagerState* fm) {
const char* names[64];
fm->entry_count = montauk::readdir(fm->current_path, names, 64);
if (fm->entry_count < 0) fm->entry_count = 0;
// readdir returns full paths from the VFS (e.g. "man/fetch.1" instead
// of just "fetch.1"). Compute the prefix to strip so we get basenames.
const char* after_drive = fm->current_path;
for (int k = 0; after_drive[k]; k++) {
if (after_drive[k] == ':' && after_drive[k + 1] == '/') {
after_drive += k + 2;
break;
}
}
char prefix[256] = {0};
int prefix_len = 0;
if (after_drive[0] != '\0') {
montauk::strcpy(prefix, after_drive);
prefix_len = montauk::slen(prefix);
if (prefix_len > 0 && prefix[prefix_len - 1] != '/') {
prefix[prefix_len++] = '/';
prefix[prefix_len] = '\0';
}
}
for (int i = 0; i < fm->entry_count; i++) {
const char* raw = names[i];
// Strip directory prefix if it matches
if (prefix_len > 0) {
bool match = true;
for (int k = 0; k < prefix_len; k++) {
if (raw[k] != prefix[k]) { match = false; break; }
}
if (match) raw += prefix_len;
}
montauk::strncpy(fm->entry_names[i], raw, 63);
int len = montauk::slen(fm->entry_names[i]);
// Detect directory
if (len > 0 && fm->entry_names[i][len - 1] == '/') {
fm->is_dir[i] = true;
fm->entry_names[i][len - 1] = '\0';
} else {
bool has_dot = false;
for (int j = 0; j < len; j++) {
if (fm->entry_names[i][j] == '.') { has_dot = true; break; }
}
fm->is_dir[i] = !has_dot;
}
fm->entry_types[i] = detect_file_type(fm->entry_names[i], fm->is_dir[i]);
// Get file size
fm->entry_sizes[i] = 0;
if (!fm->is_dir[i]) {
char fullpath[512];
montauk::strcpy(fullpath, fm->current_path);
int plen = montauk::slen(fullpath);
if (plen > 0 && fullpath[plen - 1] != '/') {
str_append(fullpath, "/", 512);
}
str_append(fullpath, fm->entry_names[i], 512);
int fd = montauk::open(fullpath);
if (fd >= 0) {
fm->entry_sizes[i] = (int)montauk::getsize(fd);
montauk::close(fd);
}
}
}
// Sort: directories first, then alphabetical (case-insensitive)
for (int i = 1; i < fm->entry_count; i++) {
char tmp_name[64];
int tmp_type = fm->entry_types[i];
int tmp_size = fm->entry_sizes[i];
bool tmp_isdir = fm->is_dir[i];
montauk::strcpy(tmp_name, fm->entry_names[i]);
int j = i - 1;
while (j >= 0) {
bool swap = false;
if (tmp_isdir && !fm->is_dir[j]) {
swap = true;
} else if (tmp_isdir == fm->is_dir[j]) {
if (str_compare_ci(tmp_name, fm->entry_names[j]) < 0) {
swap = true;
}
}
if (!swap) break;
montauk::strcpy(fm->entry_names[j + 1], fm->entry_names[j]);
fm->entry_types[j + 1] = fm->entry_types[j];
fm->entry_sizes[j + 1] = fm->entry_sizes[j];
fm->is_dir[j + 1] = fm->is_dir[j];
j--;
}
montauk::strcpy(fm->entry_names[j + 1], tmp_name);
fm->entry_types[j + 1] = tmp_type;
fm->entry_sizes[j + 1] = tmp_size;
fm->is_dir[j + 1] = tmp_isdir;
}
fm->selected = -1;
fm->scroll_offset = 0;
fm->scrollbar.scroll_offset = 0;
fm->last_click_item = -1;
fm->last_click_time = 0;
}
// ============================================================================
// History management
// ============================================================================
static void filemanager_push_history(FileManagerState* fm) {
// Don't push if same as current position
if (fm->history_count > 0 && fm->history_pos >= 0) {
if (montauk::streq(fm->history[fm->history_pos], fm->current_path)) return;
}
fm->history_pos++;
if (fm->history_pos >= 16) fm->history_pos = 15;
montauk::strcpy(fm->history[fm->history_pos], fm->current_path);
fm->history_count = fm->history_pos + 1;
}
static void filemanager_navigate(FileManagerState* fm, const char* name) {
int path_len = montauk::slen(fm->current_path);
if (path_len > 0 && fm->current_path[path_len - 1] != '/') {
str_append(fm->current_path, "/", 256);
}
str_append(fm->current_path, name, 256);
filemanager_push_history(fm);
filemanager_read_dir(fm);
}
static void filemanager_go_up(FileManagerState* fm) {
int len = montauk::slen(fm->current_path);
if (len <= 3) return; // "0:/" is root
if (len > 0 && fm->current_path[len - 1] == '/') {
fm->current_path[len - 1] = '\0';
len--;
}
int last_slash = -1;
for (int i = len - 1; i >= 0; i--) {
if (fm->current_path[i] == '/') { last_slash = i; break; }
}
if (last_slash >= 0) {
fm->current_path[last_slash + 1] = '\0';
}
filemanager_push_history(fm);
filemanager_read_dir(fm);
}
static void filemanager_go_back(FileManagerState* fm) {
if (fm->history_pos <= 0) return;
fm->history_pos--;
montauk::strcpy(fm->current_path, fm->history[fm->history_pos]);
filemanager_read_dir(fm);
}
static void filemanager_go_forward(FileManagerState* fm) {
if (fm->history_pos >= fm->history_count - 1) return;
fm->history_pos++;
montauk::strcpy(fm->current_path, fm->history[fm->history_pos]);
filemanager_read_dir(fm);
}
static void filemanager_go_home(FileManagerState* fm) {
montauk::strcpy(fm->current_path, "0:/");
filemanager_push_history(fm);
filemanager_read_dir(fm);
}
// ============================================================================
// Drawing
// ============================================================================
static void filemanager_draw_header(Canvas& c, FileManagerState* fm,
Color toolbar_color, Color btn_bg) {
DesktopState* ds = fm->desktop;
// ---- Toolbar (32px) ----
c.fill_rect(0, 0, c.w, FM_TOOLBAR_H, toolbar_color);
struct ToolBtn { int x; SvgIcon* icon; };
ToolBtn btns[4] = {
{ 4, ds ? &ds->icon_go_back : nullptr },
{ 32, ds ? &ds->icon_go_forward : nullptr },
{ 60, ds ? &ds->icon_go_up : nullptr },
{ 88, ds ? &ds->icon_home : nullptr },
};
for (int i = 0; i < 4; i++) {
int bx = btns[i].x;
int by = 4;
c.fill_rect(bx, by, 24, 24, btn_bg);
if (btns[i].icon) {
int ix = bx + (24 - btns[i].icon->width) / 2;
int iy = by + (24 - btns[i].icon->height) / 2;
c.icon(ix, iy, *btns[i].icon);
}
}
// Toggle view button (5th toolbar button)
{
int bx = 120, by = 4;
c.fill_rect(bx, by, 24, 24, btn_bg);
if (fm->grid_view) {
for (int r = 0; r < 2; r++)
for (int cc = 0; cc < 2; cc++)
c.fill_rect(bx + 5 + cc * 8, by + 5 + r * 8, 6, 6, colors::TEXT_COLOR);
} else {
for (int r = 0; r < 3; r++)
c.fill_rect(bx + 5, by + 5 + r * 5, 14, 2, colors::TEXT_COLOR);
}
}
// Toolbar separator
c.hline(0, FM_TOOLBAR_H - 1, c.w, colors::BORDER);
// ---- Path bar ----
int pathbar_y = FM_TOOLBAR_H;
c.fill_rect(0, pathbar_y, c.w, FM_PATHBAR_H, Color::from_rgb(0xF0, 0xF0, 0xF0));
c.text(8, pathbar_y + 4, fm->current_path, colors::TEXT_COLOR);
// Path bar separator
c.hline(0, pathbar_y + FM_PATHBAR_H - 1, c.w, colors::BORDER);
}
static void filemanager_on_draw(Window* win, Framebuffer& fb) {
FileManagerState* fm = (FileManagerState*)win->app_data;
if (!fm) return;
Canvas c(win);
c.fill(colors::WINDOW_BG);
Color toolbar_color = Color::from_rgb(0xF5, 0xF5, 0xF5);
Color btn_bg = Color::from_rgb(0xE8, 0xE8, 0xE8);
Color dim = Color::from_rgb(0x88, 0x88, 0x88);
DesktopState* ds = fm->desktop;
// Draw header (toolbar + path bar)
filemanager_draw_header(c, fm, toolbar_color, btn_bg);
if (fm->grid_view) {
// ---- Grid View ----
int list_y = FM_TOOLBAR_H + FM_PATHBAR_H;
int list_h = c.h - list_y;
int cols = (c.w - FM_SCROLLBAR_W) / FM_GRID_CELL_W;
if (cols < 1) cols = 1;
int rows = (fm->entry_count + cols - 1) / cols;
int content_h = rows * FM_GRID_CELL_H;
// Update scrollbar
fm->scrollbar.bounds = {c.w - FM_SCROLLBAR_W, list_y, FM_SCROLLBAR_W, list_h};
fm->scrollbar.content_height = content_h;
fm->scrollbar.view_height = list_h;
for (int i = 0; i < fm->entry_count; i++) {
int col = i % cols;
int row = i / cols;
int cell_x = col * FM_GRID_CELL_W;
int cell_y = list_y + row * FM_GRID_CELL_H - fm->scrollbar.scroll_offset;
// Skip if entirely off-screen
if (cell_y + FM_GRID_CELL_H <= list_y || cell_y >= c.h) continue;
// Selection highlight
if (i == fm->selected) {
int sy = gui_max(cell_y, list_y);
int sh = gui_min(cell_y + FM_GRID_CELL_H, c.h) - sy;
int sw = gui_min(FM_GRID_CELL_W, c.w - FM_SCROLLBAR_W - cell_x);
if (sh > 0 && sw > 0)
c.fill_rect(cell_x, sy, sw, sh, colors::MENU_HOVER);
}
// Large icon centered horizontally
int icon_x = cell_x + (FM_GRID_CELL_W - FM_GRID_ICON) / 2;
int icon_y = cell_y + FM_GRID_PAD;
if (ds && fm->entry_types[i] == 1 && ds->icon_folder_lg.pixels) {
c.icon(icon_x, icon_y, ds->icon_folder_lg);
} else if (ds && fm->entry_types[i] == 2 && ds->icon_exec_lg.pixels) {
c.icon(icon_x, icon_y, ds->icon_exec_lg);
} else if (ds && ds->icon_file_lg.pixels) {
c.icon(icon_x, icon_y, ds->icon_file_lg);
} else {
Color icon_c = fm->is_dir[i]
? Color::from_rgb(0xFF, 0xBD, 0x2E)
: Color::from_rgb(0x90, 0x90, 0x90);
int iy_clip = gui_max(icon_y, list_y);
int ih_clip = FM_GRID_ICON - (iy_clip - icon_y);
if (ih_clip > 0)
c.fill_rect(icon_x, iy_clip, FM_GRID_ICON, ih_clip, icon_c);
}
// Filename centered below icon, truncated if needed
char label[16];
int nlen = montauk::slen(fm->entry_names[i]);
if (nlen > 9) {
for (int k = 0; k < 9; k++) label[k] = fm->entry_names[i][k];
label[9] = '.';
label[10] = '.';
label[11] = '\0';
} else {
montauk::strncpy(label, fm->entry_names[i], 15);
}
int tw = text_width(label);
int tx = cell_x + (FM_GRID_CELL_W - tw) / 2;
if (tx < cell_x) tx = cell_x;
int ty = icon_y + FM_GRID_ICON + 2;
if (ty >= list_y && ty + system_font_height() <= c.h)
c.text(tx, ty, label, colors::TEXT_COLOR);
}
} else {
// ---- List View ----
// ---- Column headers ----
int header_y = FM_TOOLBAR_H + FM_PATHBAR_H;
c.fill_rect(0, header_y, c.w, FM_HEADER_H, Color::from_rgb(0xF8, 0xF8, 0xF8));
int name_col_x = 8;
int size_col_x = c.w - FM_SCROLLBAR_W - 120;
int type_col_x = c.w - FM_SCROLLBAR_W - 60;
c.text(name_col_x, header_y + 2, "Name", dim);
if (size_col_x > 100)
c.text(size_col_x, header_y + 2, "Size", dim);
if (type_col_x > 160)
c.text(type_col_x, header_y + 2, "Type", dim);
// Header separator
c.hline(0, header_y + FM_HEADER_H - 1, c.w, colors::BORDER);
// Column separator lines
if (size_col_x > 100) {
c.vline(size_col_x - 4, header_y, c.h - header_y, colors::BORDER);
}
// ---- File entries ----
int list_y = header_y + FM_HEADER_H;
int list_h = c.h - list_y;
int visible_items = list_h / FM_ITEM_H;
int content_h = fm->entry_count * FM_ITEM_H;
// Update scrollbar
fm->scrollbar.bounds = {c.w - FM_SCROLLBAR_W, list_y, FM_SCROLLBAR_W, list_h};
fm->scrollbar.content_height = content_h;
fm->scrollbar.view_height = list_h;
int scroll_items = fm->scrollbar.scroll_offset / FM_ITEM_H;
for (int i = scroll_items; i < fm->entry_count && (i - scroll_items) < visible_items + 1; i++) {
int iy = list_y + (i - scroll_items) * FM_ITEM_H - (fm->scrollbar.scroll_offset % FM_ITEM_H);
if (iy + FM_ITEM_H <= list_y || iy >= c.h) continue;
// Highlight selected
if (i == fm->selected) {
int sy = gui_max(iy, list_y);
int sh = gui_min(iy + FM_ITEM_H, c.h) - sy;
if (sh > 0)
c.fill_rect(0, sy, c.w - FM_SCROLLBAR_W, sh, colors::MENU_HOVER);
}
// Icon
int ico_x = 8;
int ico_y = iy + (FM_ITEM_H - 16) / 2;
if (ds && fm->entry_types[i] == 1 && ds->icon_folder.pixels) {
c.icon(ico_x, ico_y, ds->icon_folder);
} else if (ds && fm->entry_types[i] == 2 && ds->icon_exec.pixels) {
c.icon(ico_x, ico_y, ds->icon_exec);
} else if (ds && ds->icon_file.pixels) {
c.icon(ico_x, ico_y, ds->icon_file);
} else {
Color icon_c = fm->is_dir[i]
? Color::from_rgb(0xFF, 0xBD, 0x2E)
: Color::from_rgb(0x90, 0x90, 0x90);
int iy_clip = gui_max(ico_y, list_y);
int ih_clip = 16 - (iy_clip - ico_y);
if (ih_clip > 0)
c.fill_rect(ico_x, iy_clip, 16, ih_clip, icon_c);
}
// Name
int tx = 30;
int fm_sfh = system_font_height();
int ty = iy + (FM_ITEM_H - fm_sfh) / 2;
if (ty >= list_y && ty + fm_sfh <= c.h)
c.text(tx, ty, fm->entry_names[i], colors::TEXT_COLOR);
// Size
if (size_col_x > 100 && !fm->is_dir[i] && ty >= list_y && ty + fm_sfh <= c.h) {
char size_str[16];
format_size(size_str, fm->entry_sizes[i]);
c.text(size_col_x, ty, size_str, dim);
}
// Type
if (type_col_x > 160 && ty >= list_y && ty + fm_sfh <= c.h) {
const char* type_str = "File";
if (fm->entry_types[i] == 1) type_str = "Dir";
else if (fm->entry_types[i] == 2) type_str = "Exec";
c.text(type_col_x, ty, type_str, dim);
}
}
}
// ---- Scrollbar ----
if (fm->scrollbar.content_height > fm->scrollbar.view_height) {
Color sb_fg_color = (fm->scrollbar.hovered || fm->scrollbar.dragging)
? fm->scrollbar.hover_fg : fm->scrollbar.fg;
int sbx = fm->scrollbar.bounds.x;
int sby = fm->scrollbar.bounds.y;
int sbw = fm->scrollbar.bounds.w;
int sbh = fm->scrollbar.bounds.h;
c.fill_rect(sbx, sby, sbw, sbh, colors::SCROLLBAR_BG);
int th = fm->scrollbar.thumb_height();
int tty = fm->scrollbar.thumb_y();
c.fill_rect(sbx + 1, tty, sbw - 2, th, sb_fg_color);
}
// Repaint header on top of content to clip scrolled icon overflow
if (fm->scrollbar.scroll_offset > 0)
filemanager_draw_header(c, fm, toolbar_color, btn_bg);
}
// ============================================================================
// Mouse handling
// ============================================================================
static void filemanager_on_mouse(Window* win, MouseEvent& ev) {
FileManagerState* fm = (FileManagerState*)win->app_data;
if (!fm) return;
Rect cr = win->content_rect();
int local_x = ev.x - cr.x;
int local_y = ev.y - cr.y;
int cw = cr.w;
// Scrollbar interaction
MouseEvent local_ev = ev;
local_ev.x = local_x;
local_ev.y = local_y;
fm->scrollbar.handle_mouse(local_ev);
if (ev.left_pressed()) {
// Toolbar button clicks
if (local_y < FM_TOOLBAR_H) {
if (local_x >= 4 && local_x < 28) filemanager_go_back(fm);
else if (local_x >= 32 && local_x < 56) filemanager_go_forward(fm);
else if (local_x >= 60 && local_x < 84) filemanager_go_up(fm);
else if (local_x >= 88 && local_x < 112) filemanager_go_home(fm);
else if (local_x >= 120 && local_x < 144) {
fm->grid_view = !fm->grid_view;
fm->scrollbar.scroll_offset = 0;
}
return;
}
// File clicks (grid vs list)
if (fm->grid_view) {
int list_y = FM_TOOLBAR_H + FM_PATHBAR_H;
if (local_y >= list_y && local_x < cw - FM_SCROLLBAR_W) {
int cols = (cw - FM_SCROLLBAR_W) / FM_GRID_CELL_W;
if (cols < 1) cols = 1;
int col = local_x / FM_GRID_CELL_W;
int row = (local_y - list_y + fm->scrollbar.scroll_offset) / FM_GRID_CELL_H;
int clicked_idx = row * cols + col;
if (clicked_idx >= 0 && clicked_idx < fm->entry_count && col < cols) {
uint64_t now = montauk::get_milliseconds();
if (fm->last_click_item == clicked_idx &&
(now - fm->last_click_time) < 400) {
if (fm->is_dir[clicked_idx]) {
filemanager_navigate(fm, fm->entry_names[clicked_idx]);
} else {
char fullpath[512];
montauk::strcpy(fullpath, fm->current_path);
int plen = montauk::slen(fullpath);
if (plen > 0 && fullpath[plen - 1] != '/') {
str_append(fullpath, "/", 512);
}
str_append(fullpath, fm->entry_names[clicked_idx], 512);
if (is_image_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/imageviewer.elf", fullpath);
} else if (is_font_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/fontpreview.elf", fullpath);
} else if (is_pdf_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/pdfviewer.elf", fullpath);
} else if (is_spreadsheet_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/spreadsheet.elf", fullpath);
} else if (fm->desktop) {
open_texteditor_with_file(fm->desktop, fullpath);
}
}
fm->last_click_item = -1;
fm->last_click_time = 0;
} else {
fm->selected = clicked_idx;
fm->last_click_item = clicked_idx;
fm->last_click_time = now;
}
}
}
} else {
// List view clicks
int list_y = FM_TOOLBAR_H + FM_PATHBAR_H + FM_HEADER_H;
if (local_y >= list_y && local_x < cw - FM_SCROLLBAR_W) {
int rel_y = local_y - list_y + fm->scrollbar.scroll_offset;
int clicked_idx = rel_y / FM_ITEM_H;
if (clicked_idx >= 0 && clicked_idx < fm->entry_count) {
uint64_t now = montauk::get_milliseconds();
// Double-click detection
if (fm->last_click_item == clicked_idx &&
(now - fm->last_click_time) < 400) {
if (fm->is_dir[clicked_idx]) {
filemanager_navigate(fm, fm->entry_names[clicked_idx]);
} else {
// Open file in appropriate viewer
char fullpath[512];
montauk::strcpy(fullpath, fm->current_path);
int plen = montauk::slen(fullpath);
if (plen > 0 && fullpath[plen - 1] != '/') {
str_append(fullpath, "/", 512);
}
str_append(fullpath, fm->entry_names[clicked_idx], 512);
if (is_image_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/imageviewer.elf", fullpath);
} else if (is_font_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/fontpreview.elf", fullpath);
} else if (is_pdf_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/pdfviewer.elf", fullpath);
} else if (is_spreadsheet_file(fm->entry_names[clicked_idx])) {
montauk::spawn("0:/os/spreadsheet.elf", fullpath);
} else if (fm->desktop) {
open_texteditor_with_file(fm->desktop, fullpath);
}
}
fm->last_click_item = -1;
fm->last_click_time = 0;
} else {
fm->selected = clicked_idx;
fm->last_click_item = clicked_idx;
fm->last_click_time = now;
}
}
}
}
}
// Scroll handling
if (ev.scroll != 0) {
int list_y_start = fm->grid_view
? FM_TOOLBAR_H + FM_PATHBAR_H
: FM_TOOLBAR_H + FM_PATHBAR_H + FM_HEADER_H;
int scroll_step = fm->grid_view ? FM_GRID_CELL_H : FM_ITEM_H;
if (local_y >= list_y_start) {
fm->scrollbar.scroll_offset -= ev.scroll * scroll_step;
int ms = fm->scrollbar.max_scroll();
if (fm->scrollbar.scroll_offset < 0) fm->scrollbar.scroll_offset = 0;
if (fm->scrollbar.scroll_offset > ms) fm->scrollbar.scroll_offset = ms;
}
}
}
// ============================================================================
// Keyboard handling
// ============================================================================
static void filemanager_on_key(Window* win, const Montauk::KeyEvent& key) {
FileManagerState* fm = (FileManagerState*)win->app_data;
if (!fm || !key.pressed) return;
if (key.ascii == '\b' || key.scancode == 0x0E) {
filemanager_go_up(fm);
} else if (key.scancode == 0x48) {
// Up arrow
if (fm->grid_view) {
Rect cr = win->content_rect();
int cols = (cr.w - FM_SCROLLBAR_W) / FM_GRID_CELL_W;
if (cols < 1) cols = 1;
if (fm->selected >= cols) fm->selected -= cols;
} else {
if (fm->selected > 0) fm->selected--;
}
} else if (key.scancode == 0x50) {
// Down arrow
if (fm->grid_view) {
Rect cr = win->content_rect();
int cols = (cr.w - FM_SCROLLBAR_W) / FM_GRID_CELL_W;
if (cols < 1) cols = 1;
if (fm->selected + cols < fm->entry_count) fm->selected += cols;
} else {
if (fm->selected < fm->entry_count - 1) fm->selected++;
}
} else if (key.scancode == 0x4B && !key.alt && fm->grid_view) {
// Left arrow (grid view only)
if (fm->selected > 0) fm->selected--;
} else if (key.scancode == 0x4D && !key.alt && fm->grid_view) {
// Right arrow (grid view only)
if (fm->selected < fm->entry_count - 1) fm->selected++;
} else if (key.ascii == '\n' || key.ascii == '\r') {
if (fm->selected >= 0 && fm->selected < fm->entry_count) {
if (fm->is_dir[fm->selected]) {
filemanager_navigate(fm, fm->entry_names[fm->selected]);
}
}
} else if (key.alt && key.scancode == 0x4B) {
// Alt+Left: go back
filemanager_go_back(fm);
} else if (key.alt && key.scancode == 0x4D) {
// Alt+Right: go forward
filemanager_go_forward(fm);
}
}
static void filemanager_on_close(Window* win) {
if (win->app_data) {
montauk::mfree(win->app_data);
win->app_data = nullptr;
}
}
// ============================================================================
// File Manager launcher
// ============================================================================
void open_filemanager(DesktopState* ds) {
int idx = desktop_create_window(ds, "Files", 150, 120, 560, 420);
if (idx < 0) return;
Window* win = &ds->windows[idx];
FileManagerState* fm = (FileManagerState*)montauk::malloc(sizeof(FileManagerState));
montauk::memset(fm, 0, sizeof(FileManagerState));
montauk::strcpy(fm->current_path, "0:/");
fm->selected = -1;
fm->last_click_item = -1;
fm->history_pos = -1;
fm->history_count = 0;
fm->desktop = ds;
fm->grid_view = true;
fm->scrollbar.init(0, 0, FM_SCROLLBAR_W, 100);
filemanager_push_history(fm);
filemanager_read_dir(fm);
win->app_data = fm;
win->on_draw = filemanager_on_draw;
win->on_mouse = filemanager_on_mouse;
win->on_key = filemanager_on_key;
win->on_close = filemanager_on_close;
}