mirror of https://github.com/OpenRCT2/OpenRCT2.git
465 lines
14 KiB
C++
465 lines
14 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2018 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include <algorithm>
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#include <iterator>
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#include <openrct2-ui/interface/Dropdown.h>
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#include <openrct2-ui/interface/Widget.h>
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#include <openrct2/Context.h>
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#include <openrct2/Input.h>
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#include <openrct2/drawing/Drawing.h>
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#include <openrct2/localisation/Localisation.h>
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#include <openrct2/sprites.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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#define DROPDOWN_ITEM_HEIGHT 12
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int32_t gAppropriateImageDropdownItemsPerRow[] = {
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1, 1, 1, 1, 2, 2, 3, 3, 4, 3, 5, 4, 4, 5, 5, 5, 4, 5, 6, 5, 5, 7, 4, 5, 6, 5, 6, 6, 6, 6, 6, 8, 8, 0,
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};
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enum
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{
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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_t)SPR_NONE, STR_NONE },
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{ WIDGETS_END },
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};
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static int32_t _dropdown_num_columns;
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static int32_t _dropdown_num_rows;
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static int32_t _dropdown_item_width;
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static int32_t _dropdown_item_height;
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static bool _dropdown_list_vertically;
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int32_t gDropdownNumItems;
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rct_string_id gDropdownItemsFormat[DROPDOWN_ITEMS_MAX_SIZE];
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int64_t 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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int32_t gDropdownLastColourHover;
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int32_t gDropdownHighlightedIndex;
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int32_t gDropdownDefaultIndex;
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bool dropdown_is_checked(int32_t index)
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{
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if (index < 0 || index >= (int32_t)std::size(_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(int32_t index)
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{
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if (index < 0 || index >= (int32_t)std::size(_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(int32_t index, bool value)
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{
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if (index < 0 || index >= (int32_t)std::size(_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(int32_t index, bool value)
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{
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if (index < 0 || index >= (int32_t)std::size(_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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// clang-format off
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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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// clang-format on
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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(int32_t x, int32_t y, int32_t extray, uint8_t colour, uint8_t flags, size_t num_items)
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{
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int32_t 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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{
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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 = std::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(
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int32_t x, int32_t y, int32_t extray, uint8_t colour, uint8_t custom_height, uint8_t flags, size_t num_items, int32_t 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 : DROPDOWN_ITEM_HEIGHT;
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gDropdownNumItems = (int32_t)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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int32_t height = _dropdown_item_height * _dropdown_num_rows + 3;
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int32_t screenWidth = context_get_width();
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int32_t screenHeight = context_get_height();
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if (x + width > screenWidth)
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x = std::max(0, screenWidth - width);
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if (y + height > screenHeight)
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y = std::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, window_dropdown_widgets[WIDX_BACKGROUND].right + 1, window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
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&window_dropdown_events, WC_DROPDOWN, WF_STICK_TO_FRONT);
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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(
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int32_t x, int32_t y, int32_t extray, uint8_t colour, uint8_t flags, int32_t numItems, int32_t itemWidth,
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int32_t itemHeight, int32_t numColumns)
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{
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int32_t 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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int32_t screenWidth = context_get_width();
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int32_t screenHeight = context_get_height();
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if (x + width > screenWidth)
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x = std::max(0, screenWidth - width);
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if (y + height > screenHeight)
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y = std::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, window_dropdown_widgets[WIDX_BACKGROUND].right + 1, window_dropdown_widgets[WIDX_BACKGROUND].bottom + 1,
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&window_dropdown_events, WC_DROPDOWN, WF_STICK_TO_FRONT);
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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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int32_t cell_x, cell_y, l, t, r, b, item, image, colour;
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window_draw_widgets(w, dpi);
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int32_t highlightedIndex = gDropdownHighlightedIndex;
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for (int32_t i = 0; i < gDropdownNumItems; i++)
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{
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if (_dropdown_list_vertically)
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{
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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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{
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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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{
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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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{
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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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}
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else
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{
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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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}
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else
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{
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//
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if (i == highlightedIndex)
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{
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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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{
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// Image item
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image = (uint32_t)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, image, w->x + 2 + (cell_x * _dropdown_item_width), w->y + 2 + (cell_y * _dropdown_item_height), 0);
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}
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else
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{
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// Text item
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if (i < DROPDOWN_ITEMS_MAX_SIZE)
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{
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if (dropdown_is_checked(i))
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{
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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, item, (void*)(&gDropdownItemsArgs[i]), colour, w->x + 2 + (cell_x * _dropdown_item_width),
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w->y + 2 + (cell_y * _dropdown_item_height), 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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* New function based on 6e914e
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* returns -1 if index is invalid
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*/
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int32_t dropdown_index_from_point(int32_t x, int32_t y, rct_window* w)
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{
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int32_t top = y - w->y - 2;
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if (top < 0)
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return -1;
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int32_t left = x - w->x;
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if (left >= w->width)
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return -1;
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left -= 2;
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if (left < 0)
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return -1;
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int32_t column_no = left / _dropdown_item_width;
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if (column_no >= _dropdown_num_columns)
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return -1;
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int32_t row_no = top / _dropdown_item_height;
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if (row_no >= _dropdown_num_rows)
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return -1;
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int32_t 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)
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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_t dropdownColour, uint8_t selectedColour)
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{
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int32_t defaultIndex = -1;
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// Set items
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for (uint64_t 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, w->y + widget->top, widget->bottom - widget->top + 1, dropdownColour, DROPDOWN_FLAG_STAY_OPEN,
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COLOUR_COUNT, 12, 12, gAppropriateImageDropdownItemsPerRow[COLOUR_COUNT]);
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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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