// license:BSD-3-Clause // copyright-holders:Dankan1890 /********************************************************************* ui/m_selector.cpp Internal UI user interface. *********************************************************************/ #include "emu.h" #include "ui/ui.h" #include "ui/menu.h" #include "ui/selector.h" #include "ui/inifile.h" //------------------------------------------------- // ctor / dtor //------------------------------------------------- ui_menu_selector::ui_menu_selector(running_machine &machine, render_container *container, std::vector s_sel, UINT16 &s_actual, int category, int _hover) : ui_menu(machine, container), m_selector(s_actual) { m_category = category; m_first_pass = true; m_hover = _hover; m_str_items = s_sel; m_search[0] = '\0'; m_searchlist[0] = nullptr; } ui_menu_selector::~ui_menu_selector() { } //------------------------------------------------- // handle //------------------------------------------------- void ui_menu_selector::handle() { // process the menu const ui_menu_event *m_event = process(0); if (m_event != nullptr && m_event->itemref != nullptr) { if (m_event->iptkey == IPT_UI_SELECT) { for (size_t idx = 0; idx < m_str_items.size(); ++idx) if ((void*)&m_str_items[idx] == m_event->itemref) m_selector = idx; switch (m_category) { case SELECTOR_INIFILE: machine().inifile().current_file = m_selector; machine().inifile().current_category = 0; ui_menu::menu_stack->parent->reset(UI_MENU_RESET_REMEMBER_REF); break; case SELECTOR_CATEGORY: machine().inifile().current_category = m_selector; ui_menu::menu_stack->parent->reset(UI_MENU_RESET_REMEMBER_REF); break; case SELECTOR_GAME: main_filters::actual = m_hover; ui_menu::menu_stack->parent->reset(UI_MENU_RESET_SELECT_FIRST); break; case SELECTOR_SOFTWARE: sw_filters::actual = m_hover; ui_menu::menu_stack->parent->reset(UI_MENU_RESET_SELECT_FIRST); break; default: ui_menu::menu_stack->parent->reset(UI_MENU_RESET_REMEMBER_REF); break; } ui_globals::switch_image = true; ui_menu::stack_pop(machine()); } else if (m_event->iptkey == IPT_SPECIAL) { int buflen = strlen(m_search); // if it's a backspace and we can handle it, do so if ((m_event->unichar == 8 || m_event->unichar == 0x7f) && buflen > 0) { *(char *)utf8_previous_char(&m_search[buflen]) = 0; reset(UI_MENU_RESET_SELECT_FIRST); } // if it's any other key and we're not maxed out, update else if (m_event->unichar >= ' ' && m_event->unichar < 0x7f) { buflen += utf8_from_uchar(&m_search[buflen], ARRAY_LENGTH(m_search) - buflen, m_event->unichar); m_search[buflen] = 0; reset(UI_MENU_RESET_SELECT_FIRST); } } // escape pressed with non-empty text clears the text else if (m_event->iptkey == IPT_UI_CANCEL && m_search[0] != 0) { m_search[0] = '\0'; reset(UI_MENU_RESET_SELECT_FIRST); } } } //------------------------------------------------- // populate //------------------------------------------------- void ui_menu_selector::populate() { if (m_search[0] != 0) { find_matches(m_search); for (int curitem = 0; m_searchlist[curitem]; ++curitem) item_append(m_searchlist[curitem]->c_str(), nullptr, 0, (void *)m_searchlist[curitem]); } else { for (size_t index = 0, added = 0; index < m_str_items.size(); ++index) if (m_str_items[index] != "_skip_") { if (m_first_pass && m_selector == index) selected = added; added++; item_append(m_str_items[index].c_str(), nullptr, 0, (void *)&m_str_items[index]); } } item_append(MENU_SEPARATOR_ITEM, nullptr, 0, nullptr); customtop = custombottom = machine().ui().get_line_height() + 3.0f * UI_BOX_TB_BORDER; m_first_pass = false; } //------------------------------------------------- // perform our special rendering //------------------------------------------------- void ui_menu_selector::custom_render(void *selectedref, float top, float bottom, float origx1, float origy1, float origx2, float origy2) { float width; ui_manager &mui = machine().ui(); std::string tempbuf = std::string(_("Selection List - Search: ")).append(m_search).append("_"); // get the size of the text mui.draw_text_full(container, tempbuf.c_str(), 0.0f, 0.0f, 1.0f, JUSTIFY_CENTER, WRAP_TRUNCATE, DRAW_NONE, ARGB_WHITE, ARGB_BLACK, &width, nullptr); width += (2.0f * UI_BOX_LR_BORDER) + 0.01f; float maxwidth = MAX(width, origx2 - origx1); // compute our bounds float x1 = 0.5f - 0.5f * maxwidth; float x2 = x1 + maxwidth; float y1 = origy1 - top; float y2 = origy1 - UI_BOX_TB_BORDER; // draw a box mui.draw_outlined_box(container, x1, y1, x2, y2, UI_GREEN_COLOR); // take off the borders x1 += UI_BOX_LR_BORDER; x2 -= UI_BOX_LR_BORDER; y1 += UI_BOX_TB_BORDER; // draw the text within it mui.draw_text_full(container, tempbuf.c_str(), x1, y1, x2 - x1, JUSTIFY_CENTER, WRAP_TRUNCATE, DRAW_NORMAL, UI_TEXT_COLOR, UI_TEXT_BG_COLOR, nullptr, nullptr); // bottom text // get the text for 'UI Select' std::string ui_select_text = machine().input().seq_name(machine().ioport().type_seq(IPT_UI_SELECT, 0, SEQ_TYPE_STANDARD)); tempbuf.assign(_("Double click or press ")).append(ui_select_text).append(_(" to select")); mui.draw_text_full(container, tempbuf.c_str(), 0.0f, 0.0f, 1.0f, JUSTIFY_CENTER, WRAP_NEVER, DRAW_NONE, ARGB_WHITE, ARGB_BLACK, &width, nullptr); width += 2 * UI_BOX_LR_BORDER; maxwidth = MAX(maxwidth, width); // compute our bounds x1 = 0.5f - 0.5f * maxwidth; x2 = x1 + maxwidth; y1 = origy2 + UI_BOX_TB_BORDER; y2 = origy2 + bottom; // draw a box mui.draw_outlined_box(container, x1, y1, x2, y2, UI_RED_COLOR); // take off the borders x1 += UI_BOX_LR_BORDER; x2 -= UI_BOX_LR_BORDER; y1 += UI_BOX_TB_BORDER; // draw the text within it mui.draw_text_full(container, tempbuf.c_str(), x1, y1, x2 - x1, JUSTIFY_CENTER, WRAP_NEVER, DRAW_NORMAL, UI_TEXT_COLOR, UI_TEXT_BG_COLOR, nullptr, nullptr); } //------------------------------------------------- // find approximate matches //------------------------------------------------- void ui_menu_selector::find_matches(const char *str) { // allocate memory to track the penalty value std::vector penalty(VISIBLE_GAMES_IN_SEARCH, 9999); int index = 0; for (; index < m_str_items.size(); ++index) { if (m_str_items[index] == "_skip_") continue; // pick the best match between driver name and description int curpenalty = fuzzy_substring(str, m_str_items[index]); // insert into the sorted table of matches for (int matchnum = VISIBLE_GAMES_IN_SEARCH - 1; matchnum >= 0; --matchnum) { // stop if we're worse than the current entry if (curpenalty >= penalty[matchnum]) break; // as long as this isn't the last entry, bump this one down if (matchnum < VISIBLE_GAMES_IN_SEARCH - 1) { penalty[matchnum + 1] = penalty[matchnum]; m_searchlist[matchnum + 1] = m_searchlist[matchnum]; } m_searchlist[matchnum] = &m_str_items[index]; penalty[matchnum] = curpenalty; } } (index < VISIBLE_GAMES_IN_SEARCH) ? m_searchlist[index] = nullptr : m_searchlist[VISIBLE_GAMES_IN_SEARCH] = nullptr; }