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https://github.com/GearsProgress/Poke_Transporter_GB.git
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Create vertical_menu widget
This commit implements a vertical menu widget, which should be quite a bit more flexible than what we currently have. It defines interfaces in order to respond to selection changes, show and hide. And has a i_item_widget interface class to allow you to use custom item widgets. This is done in preparation for adding a debug menu, in which I kinda want to add toggle options while using the same vertical_menu widget. Right now, vertical_menu is only used in Select_Menu. Needless to say that Select_Menu was reworked quite a bit. Still, in terms of visuals or functionality, the changes should be invisible for now. I mean, I didn't do anything *new* with it yet.
This commit is contained in:
Philippe Symons
@@ -9,145 +9,133 @@
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#define TILE_HEIGHT 8
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#define TILE_WIDTH 8
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Select_Menu::Select_Menu(bool enable_cancel, u8 nMenu_type, int nStartTileX, int nStartTileY)
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Select_Menu::Select_Menu(bool enable_cancel, u8 nMenu_type, unsigned nStartTileX, unsigned nStartTileY)
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: menu_widget_(vertical_menu_settings{
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.x = static_cast<unsigned>(nStartTileX * TILE_WIDTH),
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.y = static_cast<unsigned>(nStartTileY * TILE_HEIGHT),
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.width = 10 * TEXT_WIDTH,
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.height = TILE_HEIGHT * 2, // to account for the margins
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.margin_top = TILE_HEIGHT,
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.margin_bottom = TILE_HEIGHT,
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.initial_focus_index = 0,
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.item_height = TEXT_HEIGHT,
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.text_table_index = GENERAL_INDEX,
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.allow_cancel = enable_cancel,
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.should_delete_item_widgets_on_destruct = true,
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.should_hide_state_changed_handler_on_not_focused = false
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})
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, menu_type(nMenu_type)
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, lang(0)
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{
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cancel_enabled = enable_cancel;
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menu_type = nMenu_type;
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startTileX = nStartTileX;
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startTileY = nStartTileY;
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menu_widget_.set_state_changed_handler(this);
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menu_widget_.set_run_cycle_handler(this);
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}
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void Select_Menu::add_option(const u8 option, u8 return_value)
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{
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menu_options.push_back(option);
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return_values.push_back(return_value);
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}
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const simple_item_widget_data item_data = {
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.text = {
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.text_table_index = option,
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.margin_left = 2 * TILE_WIDTH,
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.margin_top = 0
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},
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.value = return_value,
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.on_execute_callback = nullptr
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};
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menu_widget_.add_item_widget(new simple_item_renderer(item_data));
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int Select_Menu::select_menu_main()
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{
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show_menu();
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curr_selection = 0;
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key_poll(); // Reset the buttons
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bool update;
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bool first = true;
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while (true)
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{
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update = false;
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if (key_hit(KEY_DOWN))
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{
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curr_selection = ((curr_selection + 1) % menu_options.size());
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update = true;
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}
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else if (key_hit(KEY_UP))
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{
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curr_selection = ((curr_selection + (menu_options.size() - 1)) % menu_options.size());
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update = true;
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}
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else if (key_hit(KEY_A))
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{
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hide_menu();
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return return_values[curr_selection];
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}
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else if (cancel_enabled && key_hit(KEY_B))
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{
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hide_menu();
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return -1;
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}
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else if (first)
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{
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update = true;
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first = false;
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}
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update_y_offset();
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obj_set_pos(
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point_arrow,
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(startTileX + 1) * TEXT_WIDTH,
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(startTileY + 1) * TILE_HEIGHT + (curr_selection * TEXT_HEIGHT) + 2);
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global_next_frame();
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if (update)
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{
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if (return_values[curr_selection] == UINT8_MAX)
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{
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switch (menu_type)
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{
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case CART_MENU:
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obj_hide(cart_shell);
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obj_hide(cart_label);
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break;
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case LANG_MENU:
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obj_hide(flag);
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break;
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}
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}
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else
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{
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switch (menu_type)
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{
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case CART_MENU:
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load_select_sprites(return_values[curr_selection], lang);
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obj_unhide(cart_shell, 0);
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obj_unhide(cart_label, 0);
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break;
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case LANG_MENU:
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load_select_sprites(0, return_values[curr_selection]);
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obj_unhide(flag, 0);
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break;
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}
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}
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}
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}
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return 0;
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}
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void Select_Menu::show_menu()
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{
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u8 decompression_buffer[2048];
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text_data_table text_data(decompression_buffer);
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text_data.decompress(get_compressed_text_table(GENERAL_INDEX));
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add_menu_box(menu_options.size(), startTileX, startTileY);
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for (unsigned int i = 0; i < menu_options.size(); i++)
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{
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tte_set_pos((startTileX + 2) * TEXT_WIDTH, (startTileY + 1) * TILE_HEIGHT + (i * TEXT_HEIGHT));
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ptgb_write(text_data.get_text_entry(menu_options[i]), true);
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}
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obj_unhide(point_arrow, 0);
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// obj_set_pos(point_arrow, startTileX + (2 * TEXT_WIDTH), (1 + i) * TEXT_HEIGHT);
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}
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void Select_Menu::hide_menu()
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{
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obj_hide(point_arrow);
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tte_erase_rect(
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startTileX * TILE_WIDTH,
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startTileY * TILE_HEIGHT,
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(startTileX + 10 + 1) * TEXT_WIDTH,
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((startTileY + 2) * TILE_HEIGHT) + (menu_options.size() * TEXT_HEIGHT));
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reload_textbox_background();
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clear_options();
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obj_hide(point_arrow);
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switch (menu_type)
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{
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case CART_MENU:
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obj_hide(cart_shell);
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obj_hide(cart_label);
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break;
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case LANG_MENU:
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obj_hide(flag);
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break;
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}
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vertical_menu_settings settings = menu_widget_.get_settings();
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settings.height += TEXT_HEIGHT + (item_data.text.margin_top * 2);
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menu_widget_.set_settings(settings);
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}
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void Select_Menu::clear_options()
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{
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menu_options.clear();
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return_values.clear();
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menu_widget_.clear_item_widgets();
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vertical_menu_settings settings = menu_widget_.get_settings();
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settings.height = TILE_HEIGHT * 2; // reset to just the margins
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menu_widget_.set_settings(settings);
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}
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int Select_Menu::select_menu_main()
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{
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unsigned choice_index;
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unsigned item_value;
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simple_item_renderer* widget = nullptr;
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menu_widget_.show();
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choice_index = menu_widget_.run();
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if(choice_index != UINT32_MAX)
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{
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widget = static_cast<simple_item_renderer*>(menu_widget_.get_item_widget_at(choice_index));
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}
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item_value = (widget) ? widget->get_data().value : UINT8_MAX;
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menu_widget_.hide();
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global_next_frame();
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return item_value;
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}
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void Select_Menu::set_lang(u8 nLang)
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{
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lang = nLang;
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}
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void Select_Menu::on_show()
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{
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obj_unhide(point_arrow, 0);
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}
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void Select_Menu::on_hide()
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{
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obj_hide(point_arrow);
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obj_hide(cart_shell);
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obj_hide(cart_label);
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obj_hide(flag);
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}
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void Select_Menu::on_selection_changed(unsigned new_index, unsigned x, unsigned y)
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{
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// set the cursor accordingly
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obj_set_pos(point_arrow, x + TEXT_WIDTH, y + 3);
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simple_item_renderer* widget = static_cast<simple_item_renderer*>(menu_widget_.get_item_widget_at(new_index));
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const unsigned item_value = (widget) ? widget->get_data().value : UINT8_MAX;
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if (item_value == UINT8_MAX)
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{
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switch (menu_type)
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{
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case CART_MENU:
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obj_hide(cart_shell);
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obj_hide(cart_label);
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break;
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case LANG_MENU:
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obj_hide(flag);
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break;
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}
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}
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else
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{
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switch (menu_type)
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{
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case CART_MENU:
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load_select_sprites(item_value, lang);
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obj_unhide(cart_shell, 0);
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obj_unhide(cart_label, 0);
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break;
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case LANG_MENU:
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load_select_sprites(0, item_value);
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obj_unhide(flag, 0);
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break;
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}
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}
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}
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void Select_Menu::on_run_cycle()
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{
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update_y_offset();
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}
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