// license:BSD-3-Clause // copyright-holders:Vas Crabb /*************************************************************************** ui/about.cpp About box ***************************************************************************/ #include "emu.h" #include "ui/about.h" #include "ui/ui.h" #include "ui/utils.h" #include "mame.h" #include namespace ui { namespace { #include "copying.ipp" } // anonymous namespace /************************************************** ABOUT BOX **************************************************/ //------------------------------------------------- // ctor //------------------------------------------------- menu_about::menu_about(mame_ui_manager &mui, render_container &container) : menu(mui, container) , m_header{ util::string_format( #ifdef MAME_DEBUG _("%1$s %2$s (%3$s%4$sP%5$s, debug)"), #else _("%1$s %2$s (%3$s%4$sP%5$s)"), #endif emulator_info::get_appname(), bare_build_version, (sizeof(int) == sizeof(void *)) ? "I" : "", (sizeof(long) == sizeof(void *)) ? "L" : (sizeof(long long) == sizeof(void *)) ? "LL" : "", sizeof(void *) * 8), /*util::string_format(_("Revision: %1$s"), bare_vcs_revision)*/" " } // MESSUI { } //------------------------------------------------- // dtor //------------------------------------------------- menu_about::~menu_about() { } //------------------------------------------------- // perform our special rendering //------------------------------------------------- void menu_about::custom_render(void *selectedref, float top, float bottom, float origx1, float origy1, float origx2, float origy2) { // draw the title draw_text_box( std::begin(m_header), std::end(m_header), origx1, origx2, origy1 - top, origy1 - ui().box_tb_border(), text_layout::text_justify::CENTER, text_layout::word_wrapping::TRUNCATE, false, ui().colors().text_color(), UI_GREEN_COLOR, 1.0f); } //------------------------------------------------- // draw - draw about //------------------------------------------------- void menu_about::draw(uint32_t flags) { rgb_t const color = ui().colors().text_color(); float const aspect = machine().render().ui_aspect(&container()); float const line_height = ui().get_line_height(); float const ud_arrow_width = line_height * aspect; float const gutter_width = 0.52f * line_height * aspect; float const visible_width = 1.0f - (2.0f * ui().box_lr_border() * aspect); float const visible_left = (1.0f - visible_width) * 0.5f; float const extra_height = 2.0f * line_height; float const visible_extra_menu_height = get_customtop() + get_custombottom() + extra_height; // determine effective positions taking into account the hilighting arrows float const maximum_width = visible_width - 2.0f * gutter_width; draw_background(); map_mouse(); // account for extra space at the top and bottom float visible_main_menu_height = 1.0f - 2.0f * ui().box_tb_border() - visible_extra_menu_height; m_visible_lines = int(std::trunc(visible_main_menu_height / line_height)); visible_main_menu_height = float(m_visible_lines) * line_height; // compute top/left of inner menu area by centering, if the menu is at the bottom of the extra, adjust float const visible_top = ((1.0f - (visible_main_menu_height + visible_extra_menu_height)) * 0.5f) + get_customtop(); // lay out the text if necessary if (!m_layout || (m_layout->width() != maximum_width)) { m_layout.emplace(ui().create_layout(container(), maximum_width)); for (char const *const *line = copying_text; *line; ++line) { m_layout->add_text(*line, color); m_layout->add_text("\n", color); } } float const actual_width = m_layout->actual_width(); // compute text box size float const x1 = visible_left + ((maximum_width - actual_width) * 0.5f); float const y1 = visible_top - ui().box_tb_border(); float const x2 = visible_left + visible_width - ((maximum_width - actual_width) * 0.5f); float const y2 = visible_top + visible_main_menu_height + ui().box_tb_border() + extra_height; float const effective_left = x1 + gutter_width; float const line_x0 = x1 + 0.5f * UI_LINE_WIDTH; float const line_x1 = x2 - 0.5f * UI_LINE_WIDTH; float const separator = visible_top + float(m_visible_lines) * line_height; ui().draw_outlined_box(container(), x1, y1, x2, y2, ui().colors().background_color()); int const visible_items = m_layout->lines(); m_visible_lines = (std::min)(visible_items, m_visible_lines); top_line = (std::max)(0, top_line); if (top_line + m_visible_lines >= visible_items) top_line = visible_items - m_visible_lines; clear_hover(); if (top_line) { // if we're on the top line, display the up arrow rgb_t fgcolor = ui().colors().text_color(); if (mouse_in_rect(line_x0, visible_top, line_x1, visible_top + line_height)) { fgcolor = ui().colors().mouseover_color(); highlight( line_x0, visible_top, line_x1, visible_top + line_height, ui().colors().mouseover_bg_color()); set_hover(HOVER_ARROW_UP); } draw_arrow( 0.5f * (x1 + x2) - 0.5f * ud_arrow_width, visible_top + 0.25f * line_height, 0.5f * (x1 + x2) + 0.5f * ud_arrow_width, visible_top + 0.75f * line_height, fgcolor, ROT0); } if ((top_line + m_visible_lines) < visible_items) { // if we're on the bottom line, display the down arrow float const line_y = visible_top + float(m_visible_lines - 1) * line_height; rgb_t fgcolor = ui().colors().text_color(); if (mouse_in_rect(line_x0, line_y, line_x1, line_y + line_height)) { fgcolor = ui().colors().mouseover_color(); highlight( line_x0, line_y, line_x1, line_y + line_height, ui().colors().mouseover_bg_color()); set_hover(HOVER_ARROW_DOWN); } draw_arrow( 0.5f * (x1 + x2) - 0.5f * ud_arrow_width, line_y + 0.25f * line_height, 0.5f * (x1 + x2) + 0.5f * ud_arrow_width, line_y + 0.75f * line_height, fgcolor, ROT0 ^ ORIENTATION_FLIP_Y); } // return the number of visible lines, minus 1 for top arrow and 1 for bottom arrow m_visible_items = m_visible_lines - (top_line ? 1 : 0) - (top_line + m_visible_lines != visible_items); m_layout->emit( container(), top_line ? (top_line + 1) : 0, m_visible_items, effective_left, visible_top + (top_line ? line_height : 0.0f)); // add visual separator before the "return to prevous menu" item container().add_line( x1, separator + (0.5f * line_height), x2, separator + (0.5f * line_height), UI_LINE_WIDTH, ui().colors().text_color(), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); menu_item const &pitem = item(0); std::string_view const itemtext = pitem.text; float const line_y0 = separator + line_height; float const line_y1 = line_y0 + line_height; if (mouse_in_rect(line_x0, line_y0, line_x1, line_y1) && is_selectable(pitem)) set_hover(0); highlight(line_x0, line_y0, line_x1, line_y1, ui().colors().selected_bg_color()); ui().draw_text_full( container(), itemtext, effective_left, line_y0, actual_width, text_layout::text_justify::CENTER, text_layout::word_wrapping::TRUNCATE, mame_ui_manager::NORMAL, ui().colors().selected_color(), ui().colors().selected_bg_color(), nullptr, nullptr); // if there is something special to add, do it by calling the virtual method custom_render(get_selection_ref(), get_customtop(), get_custombottom(), x1, y1, x2, y2); } //------------------------------------------------- // populate - populates the about modal //------------------------------------------------- void menu_about::populate(float &customtop, float &custombottom) { // make space for the title and revision customtop = (ui().get_line_height() * m_header.size()) + (ui().box_tb_border() * 3.0f); } //------------------------------------------------- // handle - manages inputs in the about modal //------------------------------------------------- void menu_about::handle() { const event *event = process(PROCESS_CUSTOM_NAV); if (event) { switch (event->iptkey) { case IPT_UI_UP: --top_line; break; case IPT_UI_DOWN: ++top_line; break; case IPT_UI_PAGE_UP: top_line -= m_visible_lines - 3; break; case IPT_UI_PAGE_DOWN: top_line += m_visible_lines - 3; break; case IPT_UI_HOME: top_line = 0; break; case IPT_UI_END: top_line = m_layout->lines() - m_visible_lines; break; } } } };