Files
MontaukOS/programs/src/desktop/apps/filemanager/navigation.cpp
T

281 lines
9.5 KiB
C++

/*
* navigation.cpp
* Navigation and file opening logic for the embedded desktop file manager
* Copyright (c) 2026 Daniel Hammer
*/
#include "filemanager_internal.hpp"
namespace filemanager {
static void filemanager_store_location(FileManagerLocation* location,
const char* path,
FileManagerVirtualViewKind virtual_view) {
if (!location) return;
montauk::strncpy(location->path, path ? path : "", sizeof(location->path));
location->virtual_view = virtual_view;
}
static bool filemanager_location_matches_current(const FileManagerState* fm,
const FileManagerLocation& location) {
return fm
&& location.virtual_view == fm->virtual_view
&& montauk::streq(location.path, fm->current_path);
}
static void filemanager_restore_location(FileManagerState* fm, const FileManagerLocation& location) {
montauk::strncpy(fm->current_path, location.path, sizeof(fm->current_path));
if (location.virtual_view != FM_VIRTUAL_VIEW_NONE) {
filemanager_read_virtual_view(fm, location.virtual_view);
} else if (location.path[0] == '\0') {
filemanager_read_drives(fm);
} else {
filemanager_read_dir(fm);
}
}
void filemanager_push_history(FileManagerState* fm) {
if (!fm) return;
if (fm->history_count > 0 && fm->history_pos >= 0) {
if (filemanager_location_matches_current(fm, fm->history[fm->history_pos])) return;
}
if (fm->history_pos < fm->history_count - 1) {
fm->history_count = fm->history_pos + 1;
}
if (fm->history_count >= 16) {
for (int i = 1; i < 16; i++) {
fm->history[i - 1] = fm->history[i];
}
fm->history_count = 15;
fm->history_pos = 14;
}
fm->history_pos++;
filemanager_store_location(&fm->history[fm->history_pos], fm->current_path, fm->virtual_view);
fm->history_count = fm->history_pos + 1;
}
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_read_dir(fm);
filemanager_push_history(fm);
}
void filemanager_go_up(FileManagerState* fm) {
if (filemanager_is_computer_view(fm)) return;
if (filemanager_is_virtual_view(fm)) {
filemanager_read_drives(fm);
filemanager_push_history(fm);
return;
}
int len = montauk::slen(fm->current_path);
// At drive root (e.g. "0:/" or "10:/") -- go to drives view
bool is_drive_root = false;
if (len >= 3 && fm->current_path[len - 1] == '/') {
int colon = -1;
for (int i = 0; i < len; i++) {
if (fm->current_path[i] == ':') { colon = i; break; }
}
if (colon >= 0 && colon + 2 == len) is_drive_root = true;
}
if (is_drive_root) {
filemanager_read_drives(fm);
filemanager_push_history(fm);
return;
}
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) {
if (last_slash > 0 && fm->current_path[last_slash - 1] == ':') {
fm->current_path[last_slash + 1] = '\0';
} else {
fm->current_path[last_slash] = '\0';
}
}
filemanager_read_dir(fm);
filemanager_push_history(fm);
}
void filemanager_navigate_to_history(FileManagerState* fm) {
if (!fm || fm->history_pos < 0 || fm->history_pos >= fm->history_count) return;
filemanager_restore_location(fm, fm->history[fm->history_pos]);
}
void filemanager_go_back(FileManagerState* fm) {
if (fm->history_pos <= 0) return;
fm->history_pos--;
filemanager_navigate_to_history(fm);
}
void filemanager_go_forward(FileManagerState* fm) {
if (fm->history_pos >= fm->history_count - 1) return;
fm->history_pos++;
filemanager_navigate_to_history(fm);
}
void filemanager_go_home(FileManagerState* fm) {
filemanager_read_drives(fm);
filemanager_push_history(fm);
}
void filemanager_refresh(FileManagerState* fm) {
if (!fm) return;
if (filemanager_is_virtual_view(fm)) {
filemanager_read_virtual_view(fm, fm->virtual_view);
} else if (filemanager_is_computer_view(fm)) {
filemanager_read_drives(fm);
} else {
filemanager_read_dir(fm);
}
}
void filemanager_start_pathbar(FileManagerState* fm) {
fm->pathbar_editing = true;
if (filemanager_is_computer_view(fm) || filemanager_is_virtual_view(fm)) {
fm->pathbar_buf[0] = '\0';
fm->pathbar_len = 0;
} else {
montauk::strcpy(fm->pathbar_buf, fm->current_path);
fm->pathbar_len = montauk::slen(fm->pathbar_buf);
}
fm->pathbar_cursor = fm->pathbar_len;
}
void filemanager_cancel_pathbar(FileManagerState* fm) {
fm->pathbar_editing = false;
}
void filemanager_commit_pathbar(FileManagerState* fm) {
fm->pathbar_editing = false;
if (fm->pathbar_len == 0) {
filemanager_read_drives(fm);
filemanager_push_history(fm);
return;
}
montauk::strcpy(fm->current_path, fm->pathbar_buf);
filemanager_read_dir(fm);
filemanager_push_history(fm);
}
void filemanager_open_entry(FileManagerState* fm, int idx) {
if (idx < 0 || idx >= fm->entry_count) return;
if (filemanager_is_computer_view(fm) && fm->entry_types[idx] == FM_ENTRY_SPECIAL_DIR) {
DesktopState* ds = fm->desktop;
if (ds && ds->home_dir[0] != '\0') {
montauk::strcpy(fm->current_path, ds->home_dir);
int plen = montauk::slen(fm->current_path);
if (plen > 0 && fm->current_path[plen - 1] != '/')
str_append(fm->current_path, "/", 256);
str_append(fm->current_path, fm->entry_names[idx], 256);
filemanager_read_dir(fm);
filemanager_push_history(fm);
}
return;
}
if (filemanager_is_computer_view(fm) && fm->entry_types[idx] == FM_ENTRY_APPS_ROOT) {
filemanager_read_virtual_view(fm, FM_VIRTUAL_VIEW_APPS);
filemanager_push_history(fm);
return;
}
if (filemanager_is_computer_view(fm)
&& fm->entry_types[idx] == FM_ENTRY_SYSTEM_CONFIGURATION_ROOT) {
filemanager_read_virtual_view(fm, FM_VIRTUAL_VIEW_SYSTEM_CONFIGURATION);
filemanager_push_history(fm);
return;
}
if (filemanager_is_virtual_view(fm) && fm->entry_types[idx] == FM_ENTRY_VIRTUAL_APP) {
DesktopState* ds = fm->desktop;
const FileManagerVirtualEntry& entry = fm->virtual_entries[idx];
if (ds && entry.kind == FM_VIRTUAL_ENTRY_EXTERNAL_APP
&& entry.external_app_index >= 0
&& entry.external_app_index < ds->external_app_count) {
const ExternalApp& app = ds->external_apps[entry.external_app_index];
if (app.launch_with_home) {
montauk::spawn(app.binary_path, ds->home_dir);
} else {
montauk::spawn(app.binary_path);
}
} else if (ds && entry.kind == FM_VIRTUAL_ENTRY_SYSTEM_CONFIGURATION_APPLET) {
desktop_launch_system_configuration_applet(ds, &entry.applet);
}
return;
}
if (filemanager_is_computer_view(fm) && fm->entry_types[idx] == FM_ENTRY_HOME) {
DesktopState* ds = fm->desktop;
if (ds && ds->home_dir[0] != '\0') {
montauk::strcpy(fm->current_path, ds->home_dir);
filemanager_read_dir(fm);
filemanager_push_history(fm);
}
return;
}
if (filemanager_is_computer_view(fm) && fm->entry_types[idx] == FM_ENTRY_DRIVE) {
int d = fm->drive_indices[idx];
char dpath[8];
if (d < 10) {
dpath[0] = '0' + d; dpath[1] = ':'; dpath[2] = '/'; dpath[3] = '\0';
} else {
dpath[0] = '1'; dpath[1] = '0' + (d - 10); dpath[2] = ':'; dpath[3] = '/'; dpath[4] = '\0';
}
montauk::strcpy(fm->current_path, dpath);
filemanager_read_dir(fm);
filemanager_push_history(fm);
return;
}
if (fm->is_dir[idx]) {
filemanager_navigate(fm, fm->entry_names[idx]);
return;
}
// Open file with appropriate app
char fullpath[512];
filemanager_build_fullpath(fullpath, 512, fm->current_path, fm->entry_names[idx]);
if (is_image_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/imageviewer/imageviewer.elf", fullpath);
} else if (is_font_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/fontpreview/fontpreview.elf", fullpath);
} else if (is_pdf_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/pdfviewer/pdfviewer.elf", fullpath);
} else if (is_spreadsheet_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/spreadsheet/spreadsheet.elf", fullpath);
} else if (is_wordprocessor_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/wordprocessor/wordprocessor.elf", fullpath);
} else if (is_audio_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/music/music.elf", fullpath);
} else if (is_video_file(fm->entry_names[idx])) {
montauk::spawn("0:/apps/video/video.elf", fullpath);
} else if (str_ends_with(fm->entry_names[idx], ".elf")) {
montauk::spawn(fullpath);
} else {
montauk::spawn("0:/apps/texteditor/texteditor.elf", fullpath);
}
}
} // namespace filemanager