// license:BSD-3-Clause // copyright-holders:Nicola Salmoria, Aaron Giles, Nathan Woods /********************************************************************* ui/sliders.cpp Internal MAME menus for the user interface. *********************************************************************/ #include "emu.h" #include "osdepend.h" #include "ui/ui.h" #include "ui/sliders.h" #include "ui/slider.h" namespace ui { menu_sliders::menu_sliders(mame_ui_manager &mui, render_container &container, bool menuless_mode) : menu(mui, container) { m_menuless_mode = m_hidden = menuless_mode; } menu_sliders::~menu_sliders() { } //------------------------------------------------- // menu_sliders - handle the sliders menu //------------------------------------------------- void menu_sliders::handle() { const event *menu_event; // process the menu menu_event = process(PROCESS_LR_REPEAT | (m_hidden ? PROCESS_CUSTOM_ONLY : 0)); if (menu_event != nullptr) { // handle keys if there is a valid item selected if (menu_event->itemref != nullptr && menu_event->type == menu_item_type::SLIDER) { const slider_state *slider = (const slider_state *)menu_event->itemref; int32_t curvalue = slider->update(machine(), slider->arg, slider->id, nullptr, SLIDER_NOCHANGE); int32_t increment = 0; bool alt_pressed = machine().input().code_pressed(KEYCODE_LALT) || machine().input().code_pressed(KEYCODE_RALT); bool ctrl_pressed = machine().input().code_pressed(KEYCODE_LCONTROL) || machine().input().code_pressed(KEYCODE_RCONTROL); bool shift_pressed = machine().input().code_pressed(KEYCODE_LSHIFT) || machine().input().code_pressed(KEYCODE_RSHIFT); switch (menu_event->iptkey) { // toggle visibility case IPT_UI_ON_SCREEN_DISPLAY: if (m_menuless_mode) stack_pop(); else m_hidden = !m_hidden; break; // decrease value case IPT_UI_LEFT: if (alt_pressed && shift_pressed) increment = -1; if (alt_pressed) increment = -(curvalue - slider->minval); else if (shift_pressed) increment = (slider->incval > 10) ? -(slider->incval / 10) : -1; else if (ctrl_pressed) increment = -slider->incval * 10; else increment = -slider->incval; break; // increase value case IPT_UI_RIGHT: if (alt_pressed && shift_pressed) increment = 1; if (alt_pressed) increment = slider->maxval - curvalue; else if (shift_pressed) increment = (slider->incval > 10) ? (slider->incval / 10) : 1; else if (ctrl_pressed) increment = slider->incval * 10; else increment = slider->incval; break; // restore default case IPT_UI_SELECT: increment = slider->defval - curvalue; break; } // handle any changes if (increment != 0) { int32_t newvalue = curvalue + increment; // clamp within bounds if (newvalue < slider->minval) newvalue = slider->minval; if (newvalue > slider->maxval) newvalue = slider->maxval; // update the slider and recompute the menu slider->update(machine(), slider->arg, slider->id, nullptr, newvalue); reset(reset_options::REMEMBER_REF); } } // if we are selecting an invalid item and we are hidden, skip to the next one else if (m_hidden) { // if we got here via up or page up, select the previous item if (menu_event->iptkey == IPT_UI_UP || menu_event->iptkey == IPT_UI_PAGE_UP) { if (is_first_selected()) select_last_item(); else { set_selected_index(selected_index() - 1); validate_selection(-1); } } // otherwise select the next item else if (menu_event->iptkey == IPT_UI_DOWN || menu_event->iptkey == IPT_UI_PAGE_DOWN) { if (is_last_selected()) select_first_item(); else { set_selected_index(selected_index() + 1); validate_selection(1); } } } } } //------------------------------------------------- // menu_sliders_populate - populate the sliders // menu //------------------------------------------------- void menu_sliders::populate(float &customtop, float &custombottom) { std::string tempstring; // add UI sliders std::vector ui_sliders = ui().get_slider_list(); for (const menu_item &item : ui_sliders) { if (item.type == menu_item_type::SLIDER) { slider_state* slider = reinterpret_cast(item.ref); bool display(true); if (slider->id >= SLIDER_ID_ADJUSTER && slider->id <= SLIDER_ID_ADJUSTER_LAST) display = reinterpret_cast(slider->arg)->enabled(); if (display) { int32_t curval = slider->update(machine(), slider->arg, slider->id, &tempstring, SLIDER_NOCHANGE); uint32_t flags = 0; if (curval > slider->minval) flags |= FLAG_LEFT_ARROW; if (curval < slider->maxval) flags |= FLAG_RIGHT_ARROW; item_append(slider->description, tempstring, flags, (void *)slider, menu_item_type::SLIDER); } } else { item_append(item); } } item_append(menu_item_type::SEPARATOR); // add OSD options std::vector osd_sliders = machine().osd().get_slider_list(); for (const menu_item &item : osd_sliders) { if (item.type == menu_item_type::SLIDER) { slider_state* slider = reinterpret_cast(item.ref); int32_t curval = slider->update(machine(), slider->arg, slider->id, &tempstring, SLIDER_NOCHANGE); uint32_t flags = 0; if (curval > slider->minval) flags |= FLAG_LEFT_ARROW; if (curval < slider->maxval) flags |= FLAG_RIGHT_ARROW; item_append(slider->description, tempstring, flags, (void *)slider, menu_item_type::SLIDER); } else { item_append(item); } } custombottom = 2.0f * ui().get_line_height() + 2.0f * ui().box_tb_border(); } //------------------------------------------------- // menu_sliders_custom_render - perform our special // rendering //------------------------------------------------- void menu_sliders::custom_render(void *selectedref, float top, float bottom, float x1, float y1, float x2, float y2) { const slider_state *curslider = (const slider_state *)selectedref; if (curslider != nullptr) { float bar_left, bar_area_top, bar_width, bar_area_height, bar_top, bar_bottom, default_x, current_x; float line_height = ui().get_line_height(); float percentage, default_percentage; std::string tempstring; float text_height; int32_t curval; // determine the current value and text curval = curslider->update(machine(), curslider->arg, curslider->id, &tempstring, SLIDER_NOCHANGE); // compute the current and default percentages percentage = (float)(curval - curslider->minval) / (float)(curslider->maxval - curslider->minval); default_percentage = (float)(curslider->defval - curslider->minval) / (float)(curslider->maxval - curslider->minval); // assemble the text tempstring.insert(0, " ").insert(0, curslider->description); // move us to the bottom of the screen, and expand to full width const float lr_border = ui().box_lr_border() * machine().render().ui_aspect(&container()); y2 = 1.0f - ui().box_tb_border(); y1 = y2 - bottom; x1 = lr_border; x2 = 1.0f - lr_border; // draw extra menu area ui().draw_outlined_box(container(), x1, y1, x2, y2, ui().colors().background_color()); y1 += ui().box_tb_border(); // determine the text height ui().draw_text_full(container(), tempstring.c_str(), 0, 0, x2 - x1 - 2.0f * lr_border, ui::text_layout::CENTER, ui::text_layout::TRUNCATE, mame_ui_manager::NONE, rgb_t::white(), rgb_t::black(), nullptr, &text_height); // draw the thermometer bar_left = x1 + lr_border; bar_area_top = y1; bar_width = x2 - x1 - 2.0f * lr_border; bar_area_height = line_height; // compute positions bar_top = bar_area_top + 0.125f * bar_area_height; bar_bottom = bar_area_top + 0.875f * bar_area_height; default_x = bar_left + bar_width * default_percentage; current_x = bar_left + bar_width * percentage; // fill in the percentage container().add_rect(bar_left, bar_top, current_x, bar_bottom, ui().colors().slider_color(), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); // draw the top and bottom lines container().add_line(bar_left, bar_top, bar_left + bar_width, bar_top, UI_LINE_WIDTH, ui().colors().border_color(), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); container().add_line(bar_left, bar_bottom, bar_left + bar_width, bar_bottom, UI_LINE_WIDTH, ui().colors().border_color(), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); // draw default marker container().add_line(default_x, bar_area_top, default_x, bar_top, UI_LINE_WIDTH, ui().colors().border_color(), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); container().add_line(default_x, bar_bottom, default_x, bar_area_top + bar_area_height, UI_LINE_WIDTH, ui().colors().border_color(), PRIMFLAG_BLENDMODE(BLENDMODE_ALPHA)); // draw the actual text ui().draw_text_full(container(), tempstring.c_str(), x1 + lr_border, y1 + line_height, x2 - x1 - 2.0f * lr_border, ui::text_layout::CENTER, ui::text_layout::WORD, mame_ui_manager::NORMAL, ui().colors().text_color(), ui().colors().text_bg_color(), nullptr, &text_height); } } //------------------------------------------------- // slider_ui_handler - pushes the slider // menu on the stack and hands off to the // standard menu handler //------------------------------------------------- uint32_t menu_sliders::ui_handler(render_container &container, mame_ui_manager &mui) { uint32_t result; // if this is the first call, push the sliders menu if (topmost_menu(mui.machine()) == nullptr) menu::stack_push(mui, container, true); // handle standard menus result = menu::ui_handler(container, mui); // if we are cancelled, pop the sliders menu if (result == UI_HANDLER_CANCEL) menu::stack_pop(mui.machine()); menu_sliders *uim = topmost_menu(mui.machine()); return uim && uim->m_menuless_mode ? 0 : UI_HANDLER_CANCEL; } } // namespace ui