mirror of https://github.com/OpenRCT2/OpenRCT2.git
472 lines
14 KiB
C++
472 lines
14 KiB
C++
#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include "../Context.h"
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#include "../core/Util.hpp"
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#include "../core/Math.hpp"
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#include "../input.h"
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#include "../interface/widget.h"
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#include "../localisation/localisation.h"
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#include "../sprites.h"
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#include "dropdown.h"
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// The maximum number of rows to list before items overflow into new columns
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#define DROPDOWN_TEXT_MAX_ROWS 32
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sint32 gAppropriateImageDropdownItemsPerRow[] = {
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1, 1, 1, 1, 2, 2, 3, 3, 4,
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3, 5, 4, 4, 5, 5, 5, 4, 5,
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6, 5, 5, 7, 4, 5, 6, 5, 6,
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6, 6, 6, 6, 8, 8, 0
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};
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enum {
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WIDX_BACKGROUND,
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};
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static rct_widget window_dropdown_widgets[] = {
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{ WWT_IMGBTN, 0, 0, 0, 0, 0, (uint32) SPR_NONE, STR_NONE },
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{ WIDGETS_END },
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};
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static sint32 _dropdown_num_columns;
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static sint32 _dropdown_num_rows;
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static sint32 _dropdown_item_width;
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static sint32 _dropdown_item_height;
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static bool _dropdown_list_vertically;
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sint32 gDropdownNumItems;
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rct_string_id gDropdownItemsFormat[DROPDOWN_ITEMS_MAX_SIZE];
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sint64 gDropdownItemsArgs[DROPDOWN_ITEMS_MAX_SIZE];
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static bool _dropdownItemsChecked[DROPDOWN_ITEMS_MAX_SIZE];
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static bool _dropdownItemsDisabled[DROPDOWN_ITEMS_MAX_SIZE];
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bool gDropdownIsColour;
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sint32 gDropdownLastColourHover;
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sint32 gDropdownHighlightedIndex;
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sint32 gDropdownDefaultIndex;
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bool dropdown_is_checked(sint32 index)
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{
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if (index < 0 || index >= (sint32)Util::CountOf(_dropdownItemsDisabled))
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{
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return false;
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}
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return _dropdownItemsChecked[index];
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}
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bool dropdown_is_disabled(sint32 index)
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{
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if (index < 0 || index >= (sint32)Util::CountOf(_dropdownItemsDisabled))
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{
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return true;
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}
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return _dropdownItemsDisabled[index];
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}
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void dropdown_set_checked(sint32 index, bool value)
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{
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if (index < 0 || index >= (sint32)Util::CountOf(_dropdownItemsDisabled))
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{
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return;
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}
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_dropdownItemsChecked[index] = value;
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}
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void dropdown_set_disabled(sint32 index, bool value)
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{
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if (index < 0 || index >= (sint32)Util::CountOf(_dropdownItemsDisabled))
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{
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return;
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}
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_dropdownItemsDisabled[index] = value;
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}
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static void window_dropdown_paint(rct_window *w, rct_drawpixelinfo *dpi);
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static rct_window_event_list window_dropdown_events = {
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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window_dropdown_paint,
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nullptr
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};
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/**
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* Shows a text dropdown menu.
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* rct2: 0x006ECFB9
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*
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* @param x (cx)
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* @param y (dx)
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* @param extray (di)
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* @param flags (bh)
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* @param num_items (bx)
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* @param colour (al)
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*/
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void window_dropdown_show_text(sint32 x, sint32 y, sint32 extray, uint8 colour, uint8 flags, size_t num_items)
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{
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sint32 string_width, max_string_width;
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char buffer[256];
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// Calculate the longest string width
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max_string_width = 0;
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for (size_t i = 0; i < num_items; i++) {
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format_string(buffer, 256, gDropdownItemsFormat[i], (void*)(&gDropdownItemsArgs[i]));
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gCurrentFontSpriteBase = FONT_SPRITE_BASE_MEDIUM;
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string_width = gfx_get_string_width(buffer);
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max_string_width = Math::Max(string_width, max_string_width);
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}
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window_dropdown_show_text_custom_width(x, y, extray, colour, 0, flags, num_items, max_string_width + 3);
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}
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/**
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* Shows a text dropdown menu.
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* rct2: 0x006ECFB9, although 0x006ECE50 is real version
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*
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* @param x (cx)
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* @param y (dx)
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* @param extray (di)
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* @param flags (bh)
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* @param num_items (bx)
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* @param colour (al)
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* @param custom_height (ah) requires flag set as well
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*/
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void window_dropdown_show_text_custom_width(sint32 x, sint32 y, sint32 extray, uint8 colour, uint8 custom_height, uint8 flags, size_t num_items, sint32 width)
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{
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rct_window* w;
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input_set_flag((INPUT_FLAGS) (INPUT_FLAG_DROPDOWN_STAY_OPEN | INPUT_FLAG_DROPDOWN_MOUSE_UP), false);
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if (flags & DROPDOWN_FLAG_STAY_OPEN)
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input_set_flag(INPUT_FLAG_DROPDOWN_STAY_OPEN, true);
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window_dropdown_close();
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// Set and calculate num items, rows and columns
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_dropdown_item_width = width;
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_dropdown_item_height = (flags & DROPDOWN_FLAG_CUSTOM_HEIGHT) ? custom_height : 10;
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gDropdownNumItems = (sint32)num_items;
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// There must always be at least one column to prevent dividing by zero
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if (gDropdownNumItems == 0)
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{
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_dropdown_num_columns = 1;
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_dropdown_num_rows = 0;
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}
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else
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{
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_dropdown_num_columns = (gDropdownNumItems + DROPDOWN_TEXT_MAX_ROWS - 1) / DROPDOWN_TEXT_MAX_ROWS;
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_dropdown_num_rows = (gDropdownNumItems + _dropdown_num_columns - 1) / _dropdown_num_columns;
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}
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// Text dropdowns are listed horizontally
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_dropdown_list_vertically = true;
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width = _dropdown_item_width * _dropdown_num_columns + 3;
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sint32 height = _dropdown_item_height * _dropdown_num_rows + 3;
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sint32 screenWidth = context_get_width();
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sint32 screenHeight = context_get_height();
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if (x + width > screenWidth)
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x = Math::Max(0, screenWidth - width);
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if (y + height > screenHeight)
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y = Math::Max(0, screenHeight - height);
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window_dropdown_widgets[WIDX_BACKGROUND].right = width;
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window_dropdown_widgets[WIDX_BACKGROUND].bottom = height;
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// Create the window
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w = window_create(
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x, y + extray,
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window_dropdown_widgets[WIDX_BACKGROUND].right + 1,
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window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
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&window_dropdown_events,
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WC_DROPDOWN,
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WF_STICK_TO_FRONT
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);
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w->widgets = window_dropdown_widgets;
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if (colour & COLOUR_FLAG_TRANSLUCENT)
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w->flags |= WF_TRANSPARENT;
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w->colours[0] = colour;
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// Input state
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gDropdownHighlightedIndex = -1;
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memset(_dropdownItemsDisabled, 0, sizeof(_dropdownItemsDisabled));
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memset(_dropdownItemsChecked, 0, sizeof(_dropdownItemsChecked));
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gDropdownIsColour = false;
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gDropdownDefaultIndex = -1;
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input_set_state(INPUT_STATE_DROPDOWN_ACTIVE);
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}
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/**
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* Shows an image dropdown menu.
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* rct2: 0x006ECFB9
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*
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* @param x (cx)
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* @param y (dx)
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* @param extray (di)
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* @param flags (bh)
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* @param numItems (bx)
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* @param colour (al)
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* @param itemWidth (bp)
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* @param itemHeight (ah)
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* @param numColumns (bl)
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*/
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void window_dropdown_show_image(sint32 x, sint32 y, sint32 extray, uint8 colour, uint8 flags, sint32 numItems, sint32 itemWidth, sint32 itemHeight, sint32 numColumns)
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{
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sint32 width, height;
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rct_window* w;
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input_set_flag((INPUT_FLAGS) (INPUT_FLAG_DROPDOWN_STAY_OPEN | INPUT_FLAG_DROPDOWN_MOUSE_UP), false);
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if (flags & DROPDOWN_FLAG_STAY_OPEN)
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input_set_flag(INPUT_FLAG_DROPDOWN_STAY_OPEN, true);
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// Close existing dropdown
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window_dropdown_close();
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// Set and calculate num items, rows and columns
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_dropdown_item_width = itemWidth;
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_dropdown_item_height = itemHeight;
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gDropdownNumItems = numItems;
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// There must always be at least one column to prevent dividing by zero
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if (gDropdownNumItems == 0)
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{
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_dropdown_num_columns = 1;
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_dropdown_num_rows = 0;
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}
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else
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{
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_dropdown_num_columns = numColumns;
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_dropdown_num_rows = gDropdownNumItems / _dropdown_num_columns;
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if (gDropdownNumItems % _dropdown_num_columns != 0)
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_dropdown_num_rows++;
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}
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// image dropdowns are listed horizontally
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_dropdown_list_vertically = false;
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// Calculate position and size
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width = _dropdown_item_width * _dropdown_num_columns + 3;
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height = _dropdown_item_height * _dropdown_num_rows + 3;
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sint32 screenWidth = context_get_width();
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sint32 screenHeight = context_get_height();
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if (x + width > screenWidth)
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x = Math::Max(0, screenWidth - width);
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if (y + height > screenHeight)
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y = Math::Max(0, screenHeight - height);
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window_dropdown_widgets[WIDX_BACKGROUND].right = width;
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window_dropdown_widgets[WIDX_BACKGROUND].bottom = height;
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// Create the window
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w = window_create(
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x, y + extray,
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window_dropdown_widgets[WIDX_BACKGROUND].right + 1,
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window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
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&window_dropdown_events,
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WC_DROPDOWN,
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WF_STICK_TO_FRONT
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);
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w->widgets = window_dropdown_widgets;
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if (colour & COLOUR_FLAG_TRANSLUCENT)
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w->flags |= WF_TRANSPARENT;
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w->colours[0] = colour;
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// Input state
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gDropdownHighlightedIndex = -1;
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memset(_dropdownItemsDisabled, 0, sizeof(_dropdownItemsDisabled));
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memset(_dropdownItemsChecked, 0, sizeof(_dropdownItemsChecked));
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gDropdownIsColour = false;
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gDropdownDefaultIndex = -1;
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input_set_state(INPUT_STATE_DROPDOWN_ACTIVE);
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}
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void window_dropdown_close()
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{
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window_close_by_class(WC_DROPDOWN);
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}
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static void window_dropdown_paint(rct_window *w, rct_drawpixelinfo *dpi)
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{
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sint32 cell_x, cell_y, l, t, r, b, item, image, colour;
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window_draw_widgets(w, dpi);
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sint32 highlightedIndex = gDropdownHighlightedIndex;
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for (sint32 i = 0; i < gDropdownNumItems; i++) {
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if (_dropdown_list_vertically) {
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cell_x = i / _dropdown_num_rows;
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cell_y = i % _dropdown_num_rows;
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}
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else {
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cell_x = i % _dropdown_num_columns;
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cell_y = i / _dropdown_num_columns;
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}
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if (gDropdownItemsFormat[i] == DROPDOWN_SEPARATOR) {
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l = w->x + 2 + (cell_x * _dropdown_item_width);
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t = w->y + 2 + (cell_y * _dropdown_item_height);
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r = l + _dropdown_item_width - 1;
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t += (_dropdown_item_height / 2);
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b = t;
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if (w->colours[0] & COLOUR_FLAG_TRANSLUCENT) {
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translucent_window_palette palette = TranslucentWindowPalettes[BASE_COLOUR(w->colours[0])];
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gfx_filter_rect(dpi, l, t, r, b, palette.highlight);
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gfx_filter_rect(dpi, l, t + 1, r, b + 1, palette.shadow);
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} else {
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gfx_fill_rect(dpi, l, t, r, b, ColourMapA[w->colours[0]].mid_dark);
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gfx_fill_rect(dpi, l, t + 1, r, b + 1, ColourMapA[w->colours[0]].lightest);
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}
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} else {
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//
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if (i == highlightedIndex) {
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l = w->x + 2 + (cell_x * _dropdown_item_width);
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t = w->y + 2 + (cell_y * _dropdown_item_height);
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r = l + _dropdown_item_width - 1;
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b = t + _dropdown_item_height - 1;
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gfx_filter_rect(dpi, l, t, r, b, PALETTE_DARKEN_3);
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}
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item = gDropdownItemsFormat[i];
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if (item == DROPDOWN_FORMAT_LAND_PICKER || item == DROPDOWN_FORMAT_COLOUR_PICKER) {
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// Image item
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image = (uint32)gDropdownItemsArgs[i];
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if (item == DROPDOWN_FORMAT_COLOUR_PICKER && highlightedIndex == i)
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image++;
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gfx_draw_sprite(
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dpi,
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image,
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w->x + 2 + (cell_x * _dropdown_item_width),
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w->y + 2 + (cell_y * _dropdown_item_height), 0
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);
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} else {
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// Text item
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if (i < DROPDOWN_ITEMS_MAX_SIZE) {
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if (dropdown_is_checked(i)) {
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item++;
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}
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}
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// Calculate colour
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colour = NOT_TRANSLUCENT(w->colours[0]);
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if (i == highlightedIndex)
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colour = COLOUR_WHITE;
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if (dropdown_is_disabled(i))
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if (i < DROPDOWN_ITEMS_MAX_SIZE)
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colour = NOT_TRANSLUCENT(w->colours[0]) | COLOUR_FLAG_INSET;
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// Draw item string
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gfx_draw_string_left_clipped(
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dpi,
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item,
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(void*)(&gDropdownItemsArgs[i]), colour,
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w->x + 2 + (cell_x * _dropdown_item_width),
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w->y + 1 + (cell_y * _dropdown_item_height),
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w->width - 5
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);
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}
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}
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}
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}
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/**
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* New function based on 6e914e
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* returns -1 if index is invalid
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*/
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sint32 dropdown_index_from_point(sint32 x, sint32 y, rct_window *w)
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{
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sint32 top = y - w->y - 2;
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if (top < 0) return -1;
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sint32 left = x - w->x;
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if (left >= w->width) return -1;
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left -= 2;
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if (left < 0) return -1;
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sint32 column_no = left / _dropdown_item_width;
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if (column_no >= _dropdown_num_columns) return -1;
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sint32 row_no = top / _dropdown_item_height;
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if (row_no >= _dropdown_num_rows) return -1;
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sint32 dropdown_index;
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if (_dropdown_list_vertically)
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dropdown_index = column_no * _dropdown_num_rows + row_no;
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else
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dropdown_index = row_no * _dropdown_num_columns + column_no;
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if (dropdown_index >= gDropdownNumItems) return -1;
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return dropdown_index;
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}
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/**
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* rct2: 0x006ED43D
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*/
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void window_dropdown_show_colour(rct_window *w, rct_widget *widget, uint8 dropdownColour, uint8 selectedColour)
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{
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sint32 defaultIndex = -1;
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// Set items
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for (uint64 i = 0; i < COLOUR_COUNT; i++)
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{
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if (selectedColour == i)
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defaultIndex = i;
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gDropdownItemsFormat[i] = DROPDOWN_FORMAT_COLOUR_PICKER;
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gDropdownItemsArgs[i] = (i << 32) | (SPRITE_ID_PALETTE_COLOUR_1(i) | SPR_PALETTE_BTN);
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}
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// Show dropdown
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window_dropdown_show_image(
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w->x + widget->left,
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w->y + widget->top,
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widget->bottom - widget->top + 1,
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dropdownColour,
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DROPDOWN_FLAG_STAY_OPEN,
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COLOUR_COUNT,
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12,
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12,
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gAppropriateImageDropdownItemsPerRow[COLOUR_COUNT]
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);
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gDropdownIsColour = true;
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gDropdownLastColourHover = -1;
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gDropdownDefaultIndex = defaultIndex;
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}
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