// license:BSD-3-Clause // copyright-holders:Nathan Woods /*************************************************************************** ui/filesel.cpp MAME's clunky built-in file manager TODO - Restrict empty slot if image required ***************************************************************************/ #include "emu.h" #include "ui/filesel.h" #include "ui/ui.h" #include "ui/utils.h" #include "imagedev/floppy.h" #include "zippath.h" #include #include namespace ui { /*************************************************************************** CONSTANTS ***************************************************************************/ // conditional compilation to enable chosing of image formats - this is not // yet fully implemented #define ENABLE_FORMATS 0 // time (in seconds) to display errors #define ERROR_MESSAGE_TIME 5 /*************************************************************************** FILE SELECTOR MENU ***************************************************************************/ //------------------------------------------------- // ctor //------------------------------------------------- menu_file_selector::menu_file_selector(mame_ui_manager &mui, render_container &container, device_image_interface *image, std::string ¤t_directory, std::string ¤t_file, bool has_empty, bool has_softlist, bool has_create, menu_file_selector::result &result) : menu(mui, container) , m_image(image) , m_current_directory(current_directory) , m_current_file(current_file) , m_has_empty(has_empty) , m_has_softlist(has_softlist) , m_has_create(has_create) , m_result(result) { (void)m_image; } //------------------------------------------------- // dtor //------------------------------------------------- menu_file_selector::~menu_file_selector() { } //------------------------------------------------- // custom_render - perform our special rendering //------------------------------------------------- void menu_file_selector::custom_render(void *selectedref, float top, float bottom, float origx1, float origy1, float origx2, float origy2) { // lay out extra text auto layout = ui().create_layout(container()); layout.add_text(m_current_directory.c_str()); // position this extra text float x1, y1, x2, y2; extra_text_position(origx1, origx2, origy1, top, layout, -1, x1, y1, x2, y2); // draw a box ui().draw_outlined_box(container(), x1, y1, x2, y2, ui().colors().background_color()); // take off the borders x1 += ui().box_lr_border() * machine().render().ui_aspect(&container()); y1 += ui().box_tb_border(); size_t hit_start = 0, hit_span = 0; if (is_mouse_hit() && layout.hit_test(get_mouse_x() - x1, get_mouse_y() - y1, hit_start, hit_span) && m_current_directory.substr(hit_start, hit_span) != PATH_SEPARATOR) { // we're hovering over a directory! highlight it auto target_dir_start = m_current_directory.rfind(PATH_SEPARATOR, hit_start) + 1; auto target_dir_end = m_current_directory.find(PATH_SEPARATOR, hit_start + hit_span); m_hover_directory = m_current_directory.substr(0, target_dir_end + strlen(PATH_SEPARATOR)); // highlight the text in question rgb_t fgcolor = ui().colors().mouseover_color(); rgb_t bgcolor = ui().colors().mouseover_bg_color(); layout.restyle(target_dir_start, target_dir_end - target_dir_start, &fgcolor, &bgcolor); } else { // we are not hovering over anything m_hover_directory.clear(); } // draw the text within it layout.emit(container(), x1, y1); } //------------------------------------------------- // custom_mouse_down - perform our special mouse down //------------------------------------------------- bool menu_file_selector::custom_mouse_down() { if (m_hover_directory.length() > 0) { m_current_directory = m_hover_directory; reset(reset_options::SELECT_FIRST); return true; } return false; } //------------------------------------------------- // compare_file_selector_entries - sorting proc // for file selector entries //------------------------------------------------- int menu_file_selector::compare_entries(const file_selector_entry *e1, const file_selector_entry *e2) { int result; const char *e1_basename = e1->basename.c_str(); const char *e2_basename = e2->basename.c_str(); if (e1->type < e2->type) { result = -1; } else if (e1->type > e2->type) { result = 1; } else { result = core_stricmp(e1_basename, e2_basename); if (result == 0) { result = strcmp(e1_basename, e2_basename); if (result == 0) { if (e1 < e2) result = -1; else if (e1 > e2) result = 1; } } } return result; } //------------------------------------------------- // append_entry - appends a new // file selector entry to an entry list //------------------------------------------------- menu_file_selector::file_selector_entry &menu_file_selector::append_entry( file_selector_entry_type entry_type, const std::string &entry_basename, const std::string &entry_fullpath) { return append_entry(entry_type, std::string(entry_basename), std::string(entry_fullpath)); } //------------------------------------------------- // append_entry - appends a new // file selector entry to an entry list //------------------------------------------------- menu_file_selector::file_selector_entry &menu_file_selector::append_entry( file_selector_entry_type entry_type, std::string &&entry_basename, std::string &&entry_fullpath) { // allocate a new entry file_selector_entry entry; entry.type = entry_type; entry.basename = std::move(entry_basename); entry.fullpath = std::move(entry_fullpath); // find the end of the list return *m_entrylist.emplace(m_entrylist.end(), std::move(entry)); } //------------------------------------------------- // append_dirent_entry - appends // a menu item for a file selector entry //------------------------------------------------- menu_file_selector::file_selector_entry *menu_file_selector::append_dirent_entry(const osd::directory::entry *dirent) { file_selector_entry_type entry_type; switch (dirent->type) { case osd::directory::entry::entry_type::FILE: entry_type = SELECTOR_ENTRY_TYPE_FILE; break; case osd::directory::entry::entry_type::DIR: entry_type = SELECTOR_ENTRY_TYPE_DIRECTORY; break; default: // exceptional case; do not add a menu item return nullptr; } // determine the full path std::string buffer = util::zippath_combine(m_current_directory, dirent->name); // create the file selector entry return &append_entry( entry_type, dirent->name, std::move(buffer)); } //------------------------------------------------- // append_entry_menu_item - appends // a menu item for a file selector entry //------------------------------------------------- void menu_file_selector::append_entry_menu_item(const file_selector_entry *entry) { std::string text; std::string subtext; switch(entry->type) { case SELECTOR_ENTRY_TYPE_EMPTY: text = _("[empty slot]"); break; case SELECTOR_ENTRY_TYPE_CREATE: text = _("[create]"); break; case SELECTOR_ENTRY_TYPE_SOFTWARE_LIST: text = _("[software list]"); break; case SELECTOR_ENTRY_TYPE_DRIVE: text = entry->basename; subtext = "[DRIVE]"; break; case SELECTOR_ENTRY_TYPE_DIRECTORY: text = entry->basename; subtext = "[DIR]"; break; case SELECTOR_ENTRY_TYPE_FILE: text = entry->basename; subtext = "[FILE]"; break; } item_append(std::move(text), std::move(subtext), 0, (void *) entry); } //------------------------------------------------- // select_item //------------------------------------------------- void menu_file_selector::select_item(const file_selector_entry &entry) { switch (entry.type) { case SELECTOR_ENTRY_TYPE_EMPTY: // empty slot - unload m_result = result::EMPTY; stack_pop(); break; case SELECTOR_ENTRY_TYPE_CREATE: // create m_result = result::CREATE; stack_pop(); break; case SELECTOR_ENTRY_TYPE_SOFTWARE_LIST: m_result = result::SOFTLIST; stack_pop(); break; case SELECTOR_ENTRY_TYPE_DRIVE: case SELECTOR_ENTRY_TYPE_DIRECTORY: // drive/directory - first check the path { util::zippath_directory::ptr dir; osd_file::error const err = util::zippath_directory::open(entry.fullpath, dir); if (err != osd_file::error::NONE) { // this path is problematic; present the user with an error and bail ui().popup_time(1, _("Error accessing %s"), entry.fullpath); break; } } m_current_directory.assign(entry.fullpath); reset(reset_options::SELECT_FIRST); break; case SELECTOR_ENTRY_TYPE_FILE: // file m_current_file.assign(entry.fullpath); m_result = result::FILE; stack_pop(); break; } } //------------------------------------------------- // type_search_char //------------------------------------------------- void menu_file_selector::type_search_char(char32_t ch) { std::string const current(m_filename); if (input_character(m_filename, ch, uchar_is_printable)) { ui().popup_time(ERROR_MESSAGE_TIME, "%s", m_filename.c_str()); file_selector_entry const *const cur_selected(reinterpret_cast(get_selection_ref())); // if it's a perfect match for the current selection, don't move it if (!cur_selected || core_strnicmp(cur_selected->basename.c_str(), m_filename.c_str(), m_filename.size())) { std::string::size_type bestmatch(0); file_selector_entry const *selected_entry(cur_selected); for (auto &entry : m_entrylist) { // TODO: more efficient "common prefix" code std::string::size_type match(0); for (std::string::size_type i = 1; m_filename.size() >= i; ++i) { if (!core_strnicmp(entry.basename.c_str(), m_filename.c_str(), i)) match = i; else break; } if (match > bestmatch) { bestmatch = match; selected_entry = &entry; } } if (selected_entry && (selected_entry != cur_selected)) { set_selection((void *)selected_entry); centre_selection(); } } } } //------------------------------------------------- // populate //------------------------------------------------- void menu_file_selector::populate(float &customtop, float &custombottom) { const file_selector_entry *selected_entry = nullptr; // clear out the menu entries m_entrylist.clear(); // open the directory util::zippath_directory::ptr directory; osd_file::error const err = util::zippath_directory::open(m_current_directory, directory); // add the "[empty slot]" entry if available if (m_has_empty) append_entry(SELECTOR_ENTRY_TYPE_EMPTY, "", ""); // add the "[create]" entry if (m_has_create && !directory->is_archive()) append_entry(SELECTOR_ENTRY_TYPE_CREATE, "", ""); // add and select the "[software list]" entry if available if (m_has_softlist) selected_entry = &append_entry(SELECTOR_ENTRY_TYPE_SOFTWARE_LIST, "", ""); // add the drives int i = 0; for (char const *volume_name = osd_get_volume_name(i); volume_name; volume_name = osd_get_volume_name(++i)) append_entry(SELECTOR_ENTRY_TYPE_DRIVE, volume_name, volume_name); // mark first filename entry std::size_t const first = m_entrylist.size() + 1; // build the menu for each item if (osd_file::error::NONE != err) { osd_printf_verbose("menu_file_selector::populate: error opening directory '%s' (%d)\n", m_current_directory, int(err)); } else { for (osd::directory::entry const *dirent = directory->readdir(); dirent; dirent = directory->readdir()) { // append a dirent entry file_selector_entry const *entry = append_dirent_entry(dirent); if (entry) { // set the selected item to be the first non-parent directory or file if (!selected_entry && strcmp(dirent->name, "..")) selected_entry = entry; // do we have to select this file? if (!core_stricmp(m_current_file.c_str(), dirent->name)) selected_entry = entry; } } } directory.reset(); // sort the menu entries const std::collate &coll = std::use_facet>(std::locale()); std::sort( m_entrylist.begin() + first, m_entrylist.end(), [&coll] (file_selector_entry const &x, file_selector_entry const &y) { std::wstring const xstr = wstring_from_utf8(x.basename); std::wstring const ystr = wstring_from_utf8(y.basename); return coll.compare(xstr.data(), xstr.data()+xstr.size(), ystr.data(), ystr.data()+ystr.size()) < 0; }); // append all of the menu entries for (file_selector_entry const &entry : m_entrylist) append_entry_menu_item(&entry); // set the selection (if we have one) if (selected_entry) set_selection((void *)selected_entry); // set up custom render proc customtop = ui().get_line_height() + 3.0f * ui().box_tb_border(); } //------------------------------------------------- // handle //------------------------------------------------- void menu_file_selector::handle() { // process the menu event const *const event = process(0); if (event && event->itemref) { // handle selections if (event->iptkey == IPT_UI_SELECT) { select_item(*reinterpret_cast(event->itemref)); // reset the char buffer when pressing IPT_UI_SELECT m_filename.clear(); } else if (event->iptkey == IPT_SPECIAL) { // if it's any other key and we're not maxed out, update type_search_char(event->unichar); } else if (event->iptkey == IPT_UI_CANCEL) { // reset the char buffer also in this case m_filename.clear(); } } } /*************************************************************************** SELECT RW ***************************************************************************/ //------------------------------------------------- // ctor //------------------------------------------------- menu_select_rw::menu_select_rw(mame_ui_manager &mui, render_container &container, bool can_in_place, result &result) : menu(mui, container), m_can_in_place(can_in_place), m_result(result) { } //------------------------------------------------- // dtor //------------------------------------------------- menu_select_rw::~menu_select_rw() { } //------------------------------------------------- // populate //------------------------------------------------- void menu_select_rw::populate(float &customtop, float &custombottom) { item_append(_("Select access mode"), "", FLAG_DISABLE, nullptr); item_append(_("Read-only"), "", 0, itemref_from_result(result::READONLY)); if (m_can_in_place) item_append(_("Read-write"), "", 0, itemref_from_result(result::READWRITE)); item_append(_("Read this image, write to another image"), "", 0, itemref_from_result(result::WRITE_OTHER)); item_append(_("Read this image, write to diff"), "", 0, itemref_from_result(result::WRITE_DIFF)); } //------------------------------------------------- // handle //------------------------------------------------- void menu_select_rw::handle() { // process the menu const event *event = process(0); if (event != nullptr && event->iptkey == IPT_UI_SELECT) { m_result = result_from_itemref(event->itemref); stack_pop(); } } //------------------------------------------------- // itemref_from_result //------------------------------------------------- void *menu_select_rw::itemref_from_result(menu_select_rw::result result) { return (void *)(uintptr_t)(unsigned int)result; } //------------------------------------------------- // result_from_itemref //------------------------------------------------- menu_select_rw::result menu_select_rw::result_from_itemref(void *itemref) { return (menu_select_rw::result) (unsigned int) (uintptr_t)itemref; } } // namespace ui