#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
/*****************************************************************************
 * OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
 *
 * OpenRCT2 is the work of many authors, a full list can be found in contributors.md
 * For more information, visit https://github.com/OpenRCT2/OpenRCT2
 *
 * OpenRCT2 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * A full copy of the GNU General Public License can be found in licence.txt
 *****************************************************************************/
#pragma endregion

#include "../config.h"
#include "../game.h"
#include "../drawing/drawing.h"
#include "../input.h"
#include "../interface/viewport.h"
#include "../interface/widget.h"
#include "../interface/window.h"
#include "../localisation/localisation.h"
#include "../peep/peep.h"
#include "../peep/staff.h"
#include "../world/sprite.h"
#include "../sprites.h"
#include "dropdown.h"
#include "../interface/themes.h"
#include "error.h"
#include "../util/util.h"

enum {
	WINDOW_THEMES_TAB_SETTINGS,
	WINDOW_THEMES_TAB_MAIN_UI,
	WINDOW_THEMES_TAB_PARK,
	WINDOW_THEMES_TAB_TOOLS,
	WINDOW_THEMES_TAB_RIDES_PEEPS,
	WINDOW_THEMES_TAB_EDITORS,
	WINDOW_THEMES_TAB_MISC,
	WINDOW_THEMES_TAB_PROMPTS,
	WINDOW_THEMES_TAB_FEATURES,
	WINDOW_THEMES_TAB_COUNT
} WINDOW_THEMES_TAB;

static void window_themes_mouseup(rct_window *w, int widgetIndex);
static void window_themes_resize(rct_window *w);
static void window_themes_mousedown(int widgetIndex, rct_window*w, rct_widget* widget);
static void window_themes_dropdown(rct_window *w, int widgetIndex, int dropdownIndex);
static void window_themes_update(rct_window *w);
static void window_themes_scrollgetsize(rct_window *w, int scrollIndex, int *width, int *height);
static void window_themes_scrollmousedown(rct_window *w, int scrollIndex, int x, int y);
static void window_themes_scrollmouseover(rct_window *w, int scrollIndex, int x, int y);
static void window_themes_textinput(rct_window *w, int widgetIndex, char *text);
static void window_themes_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId);
static void window_themes_invalidate(rct_window *w);
static void window_themes_paint(rct_window *w, rct_drawpixelinfo *dpi);
static void window_themes_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int scrollIndex);
static void window_themes_draw_tab_images(rct_drawpixelinfo *dpi, rct_window *w);

static rct_window_event_list window_themes_events = {
	NULL,
	window_themes_mouseup,
	window_themes_resize,
	window_themes_mousedown,
	window_themes_dropdown,
	NULL,
	window_themes_update,
	NULL,
	NULL,
	NULL,
	NULL,
	NULL,
	NULL,
	NULL,
	NULL,
	window_themes_scrollgetsize,
	window_themes_scrollmousedown,
	NULL,
	window_themes_scrollmouseover,
	window_themes_textinput,
	NULL,
	NULL,
	window_themes_tooltip,
	NULL,
	NULL,
	window_themes_invalidate,
	window_themes_paint,
	window_themes_scrollpaint,
};

enum WINDOW_STAFF_LIST_WIDGET_IDX {
	WIDX_THEMES_BACKGROUND,
	WIDX_THEMES_TITLE,
	WIDX_THEMES_CLOSE,
	WIDX_THEMES_TAB_CONTENT_PANEL,
	WIDX_THEMES_SETTINGS_TAB,
	WIDX_THEMES_MAIN_UI_TAB,
	WIDX_THEMES_PARK_TAB,
	WIDX_THEMES_TOOLS_TAB,
	WIDX_THEMES_RIDE_PEEPS_TAB,
	WIDX_THEMES_EDITORS_TAB,
	WIDX_THEMES_MISC_TAB,
	WIDX_THEMES_PROMPTS_TAB,
	WIDX_THEMES_FEATURES_TAB,
	WIDX_THEMES_PRESETS,
	WIDX_THEMES_PRESETS_DROPDOWN,
	WIDX_THEMES_DUPLICATE_BUTTON,
	WIDX_THEMES_DELETE_BUTTON,
	WIDX_THEMES_RENAME_BUTTON,
	WIDX_THEMES_COLOURBTN_MASK,
	WIDX_THEMES_LIST,
	WIDX_THEMES_RCT1_RIDE_LIGHTS,
	WIDX_THEMES_RCT1_PARK_LIGHTS,
	WIDX_THEMES_RCT1_SCENARIO_FONT
};

static rct_widget window_themes_widgets[] = {
	{ WWT_FRAME,			0,	0,		319,	0,		106,	0xFFFFFFFF,									STR_NONE },								// panel / background
	{ WWT_CAPTION,			0,	1,		318,	1,		14,		STR_THEMES_TITLE,								STR_WINDOW_TITLE_TIP },					// title bar
	{ WWT_CLOSEBOX,			0,	307,	317,	2,		13,		STR_CLOSE_X,									STR_CLOSE_WINDOW_TIP },					// close button
	{ WWT_RESIZE,			1,	0,		319,	43,		106,	0xFFFFFFFF,									STR_NONE },								// tab content panel
	{ WWT_TAB,				1,	3,		33,		17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_SETTINGS_TIP },			// settings tab
	{ WWT_TAB,				1,	34,		64,		17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_MAIN_TIP },				// main ui tab
	{ WWT_TAB,				1,	65,		95,		17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_PARK_TIP },				// park tab
	{ WWT_TAB,				1,	96,		126,	17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_TOOLS_TIP },				// tools tab
	{ WWT_TAB,				1,	127,	157,	17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_RIDES_AND_GUESTS_TIP },	// rides and peeps tab
	{ WWT_TAB,				1,	158,	188,	17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_EDITORS_TIP },			// editors tab
	{ WWT_TAB,				1,	189,	219,	17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_MISC_TIP },				// misc tab
	{ WWT_TAB,				1,	220,	250,	17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_PROMPTS_TIP },			// prompts tab
	{ WWT_TAB,				1,	251,	281,	17,		43,		0x20000000 | SPR_TAB,							STR_THEMES_TAB_FEATURES_TIP	},			// features tab
	{ WWT_DROPDOWN,			1,	125,	299,	60,		71,		STR_NONE,										STR_NONE },								// Preset colour schemes
	{ WWT_DROPDOWN_BUTTON,	1,	288,	298,	61,		70,		STR_DROPDOWN_GLYPH,								STR_NONE },
	{ WWT_DROPDOWN_BUTTON,	1,	10,		100,	82,		93,		STR_TITLE_EDITOR_ACTION_DUPLICATE,				STR_THEMES_ACTION_DUPLICATE_TIP },		// Duplicate button
	{ WWT_DROPDOWN_BUTTON,	1,	110,	200,	82,		93,		STR_TRACK_MANAGE_DELETE,						STR_THEMES_ACTION_DELETE_TIP },			// Delete button
	{ WWT_DROPDOWN_BUTTON,	1,	210,	300,	82,		93,		STR_TRACK_MANAGE_RENAME,						STR_THEMES_ACTION_RENAME_TIP },			// Rename button
	{ WWT_COLOURBTN,		1,	0,		0,		0,		0,		STR_NONE,										STR_NONE },								// colour button mask
	{ WWT_SCROLL,			1,	3,		316,	60,		103,	SCROLL_VERTICAL,								STR_NONE },								// staff list
	{ WWT_CHECKBOX,			1,	10,		299,	54,		65,		STR_THEMES_OPTION_RCT1_RIDE_CONTROLS,			STR_NONE },								// rct1 ride lights
	{ WWT_CHECKBOX,			1,	10,		299,	69,		80,		STR_THEMES_OPTION_RCT1_PARK_CONTROLS,			STR_NONE },								// rct1 park lights
	{ WWT_CHECKBOX,			1,	10,		299,	84,		95,		STR_THEMES_OPTION_RCT1_SCENARIO_SELECTION_FONT,	STR_NONE },								// rct1 scenario font
	{ WIDGETS_END },
};

static int window_themes_tab_animation_loops[] = {
	32,
	32,
	1,
	1,
	64,
	32,
	8,
	14,
	38
};
static int window_themes_tab_animation_divisor[] = {
	4,
	4,
	1,
	1,
	4,
	2,
	2,
	2,
	2
};
static int window_themes_tab_sprites[] = {
	SPR_TAB_PAINT_0,
	SPR_TAB_KIOSKS_AND_FACILITIES_0,
	SPR_TAB_PARK_ENTRANCE,
	SPR_G2_TAB_LAND,
	SPR_TAB_RIDE_0,
	SPR_TAB_WRENCH_0,
	SPR_TAB_GEARS_0,
	SPR_TAB_STAFF_OPTIONS_0,
	SPR_TAB_FINANCES_MARKETING_0
};

static rct_windowclass window_themes_tab_1_classes[] = {
	WC_TOP_TOOLBAR,
	WC_BOTTOM_TOOLBAR,
	WC_EDITOR_SCENARIO_BOTTOM_TOOLBAR,
	WC_EDITOR_TRACK_BOTTOM_TOOLBAR,
	WC_TITLE_MENU,
	WC_TITLE_EXIT,
	WC_TITLE_OPTIONS,
	WC_SCENARIO_SELECT
};

static rct_windowclass window_themes_tab_2_classes[] = {
	WC_PARK_INFORMATION,
	WC_FINANCES,
	WC_NEW_CAMPAIGN,
	WC_RESEARCH,
	WC_MAP,
	WC_VIEWPORT,
	WC_RECENT_NEWS
};

static rct_windowclass window_themes_tab_3_classes[] = {
	WC_LAND,
	WC_WATER,
	WC_CLEAR_SCENERY,
	WC_LAND_RIGHTS,
	WC_SCENERY,
	WC_FOOTPATH,
	WC_RIDE_CONSTRUCTION,
	WC_TRACK_DESIGN_PLACE,
	WC_CONSTRUCT_RIDE,
	WC_TRACK_DESIGN_LIST
};

static rct_windowclass window_themes_tab_4_classes[] = {
	WC_RIDE,
	WC_RIDE_LIST,
	WC_PEEP,
	WC_GUEST_LIST,
	WC_STAFF,
	WC_STAFF_LIST,
	WC_BANNER
};

static rct_windowclass window_themes_tab_5_classes[] = {
	WC_EDITOR_OBJECT_SELECTION,
	WC_EDITOR_INVENTION_LIST,
	WC_EDITOR_SCENARIO_OPTIONS,
	WC_EDTIOR_OBJECTIVE_OPTIONS,
	WC_MAPGEN,
	WC_MANAGE_TRACK_DESIGN,
	WC_INSTALL_TRACK
};

static rct_windowclass window_themes_tab_6_classes[] = {
	WC_CHEATS,
	WC_TILE_INSPECTOR,
	WC_THEMES,
	WC_TITLE_EDITOR,
	WC_OPTIONS,
	WC_KEYBOARD_SHORTCUT_LIST,
	WC_CHANGE_KEYBOARD_SHORTCUT,
	WC_LOADSAVE,
	WC_CHANGELOG,
	WC_SERVER_LIST,
	WC_MULTIPLAYER,
	WC_PLAYER,
	WC_CHAT,
};

static rct_windowclass window_themes_tab_7_classes[] = {
	WC_SAVE_PROMPT,
	WC_DEMOLISH_RIDE_PROMPT,
	WC_FIRE_PROMPT,
	WC_TRACK_DELETE_PROMPT,
	WC_LOADSAVE_OVERWRITE_PROMPT,
	WC_NETWORK_STATUS,
};

static rct_windowclass *window_themes_tab_classes[] = {
	NULL,
	window_themes_tab_1_classes,
	window_themes_tab_2_classes,
	window_themes_tab_3_classes,
	window_themes_tab_4_classes,
	window_themes_tab_5_classes,
	window_themes_tab_6_classes,
	window_themes_tab_7_classes,
};

static uint8 _selected_tab = 0;
static sint16 _colour_index_1 = -1;
static sint8 _colour_index_2 = -1;
static const uint8 _row_height = 32;
static const uint8 _button_offset_x = 220;
static const uint8 _button_offset_y = 3;
static const uint8 _check_offset_y = 3 + 12 + 2;

static void window_themes_init_vars()
{
	_selected_tab = WINDOW_THEMES_TAB_SETTINGS;
}

static rct_windowclass get_window_class_tab_index(int index)
{
	rct_windowclass * classes = window_themes_tab_classes[_selected_tab];
	return classes[index];
}

static int get_colour_scheme_tab_count()
{
	switch (_selected_tab) {
	case 1: return sizeof(window_themes_tab_1_classes);
	case 2: return sizeof(window_themes_tab_2_classes);
	case 3: return sizeof(window_themes_tab_3_classes);
	case 4: return sizeof(window_themes_tab_4_classes);
	case 5: return sizeof(window_themes_tab_5_classes);
	case 6: return sizeof(window_themes_tab_6_classes);
	case 7: return sizeof(window_themes_tab_7_classes);
	}
	return 0;
}

static void window_themes_draw_tab_images(rct_drawpixelinfo *dpi, rct_window *w)
{
	int sprite_idx;

	for (int i = 0; i < WINDOW_THEMES_TAB_COUNT; i++) {
		sprite_idx = window_themes_tab_sprites[i];
		if (_selected_tab == i)
			sprite_idx += w->frame_no / window_themes_tab_animation_divisor[_selected_tab];
		gfx_draw_sprite(dpi, sprite_idx, w->x + w->widgets[WIDX_THEMES_SETTINGS_TAB + i].left, w->y + w->widgets[WIDX_THEMES_SETTINGS_TAB + i].top, 0);
	}
}

void window_themes_open()
{
	rct_window* window;

	// Check if window is already open
	window = window_bring_to_front_by_class(WC_THEMES);
	if (window != NULL)
		return;

	window = window_create_auto_pos(320, 107, &window_themes_events, WC_THEMES, WF_10 | WF_RESIZABLE);
	window->widgets = window_themes_widgets;
	window->enabled_widgets =
		(1 << WIDX_THEMES_CLOSE) |
		(1 << WIDX_THEMES_SETTINGS_TAB) |
		(1 << WIDX_THEMES_MAIN_UI_TAB) |
		(1 << WIDX_THEMES_PARK_TAB) |
		(1 << WIDX_THEMES_TOOLS_TAB) |
		(1 << WIDX_THEMES_RIDE_PEEPS_TAB) |
		(1 << WIDX_THEMES_EDITORS_TAB) |
		(1 << WIDX_THEMES_MISC_TAB) |
		(1 << WIDX_THEMES_PROMPTS_TAB) |
		(1 << WIDX_THEMES_FEATURES_TAB) |
		(1 << WIDX_THEMES_COLOURBTN_MASK) |
		(1 << WIDX_THEMES_PRESETS) |
		(1 << WIDX_THEMES_PRESETS_DROPDOWN) |
		(1 << WIDX_THEMES_DUPLICATE_BUTTON) |
		(1 << WIDX_THEMES_DELETE_BUTTON) |
		(1 << WIDX_THEMES_RENAME_BUTTON) |
		(1 << WIDX_THEMES_RCT1_RIDE_LIGHTS) |
		(1 << WIDX_THEMES_RCT1_PARK_LIGHTS) |
		(1 << WIDX_THEMES_RCT1_SCENARIO_FONT);

	window_themes_init_vars();

	window_init_scroll_widgets(window);
	window->list_information_type = 0;
	_colour_index_1 = -1;
	_colour_index_2 = -1;
	window->min_width = 320;
	window->min_height = 107;
	window->max_width = 320;
	window->max_height = 107;
}

static void window_themes_mouseup(rct_window *w, int widgetIndex)
{
	size_t activeAvailableThemeIndex;
	const utf8 * activeThemeName;

	switch (widgetIndex) {
	case WIDX_THEMES_CLOSE:
		window_close(w);
		break;
	case WIDX_THEMES_DUPLICATE_BUTTON:;
		activeAvailableThemeIndex = theme_manager_get_active_available_theme_index();
		activeThemeName = theme_manager_get_available_theme_name(activeAvailableThemeIndex);
		window_text_input_open(w, widgetIndex, STR_TITLE_EDITOR_ACTION_DUPLICATE, STR_THEMES_PROMPT_ENTER_THEME_NAME, STR_STRING, (uintptr_t)activeThemeName, 64);
		break;
	case WIDX_THEMES_DELETE_BUTTON:
		if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
			window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_NONE);
		} else {
			theme_delete();
		}
		break;
	case WIDX_THEMES_RENAME_BUTTON:
		if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
			window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_NONE);
		} else {
			activeAvailableThemeIndex = theme_manager_get_active_available_theme_index();
			activeThemeName = theme_manager_get_available_theme_name(activeAvailableThemeIndex);
			window_text_input_open(w, widgetIndex, STR_TRACK_MANAGE_RENAME, STR_THEMES_PROMPT_ENTER_THEME_NAME, STR_STRING, (uintptr_t)activeThemeName, 64);
		}
		break;
	}
}

static void window_themes_resize(rct_window *w)
{
	if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS) {
		w->min_width = 320;
		w->min_height = 107;
		w->max_width = 320;
		w->max_height = 107;

		if (w->width < w->min_width) {
			w->width = w->min_width;
			gfx_invalidate_screen();
		}
		if (w->height < w->min_height) {
			w->height = w->min_height;
			gfx_invalidate_screen();
		}
		if (w->width > w->max_width) {
			w->width = w->max_width;
			gfx_invalidate_screen();
		}
		if (w->height > w->max_height) {
			w->height = w->max_height;
			gfx_invalidate_screen();
		}
	}
	else if (_selected_tab == WINDOW_THEMES_TAB_FEATURES) {
		w->min_width = 320;
		w->min_height = 107;
		w->max_width = 320;
		w->max_height = 107;

		if (w->width < w->min_width) {
			w->width = w->min_width;
			gfx_invalidate_screen();
		}
		if (w->height < w->min_height) {
			w->height = w->min_height;
			gfx_invalidate_screen();
		}
		if (w->width > w->max_width) {
			w->width = w->max_width;
			gfx_invalidate_screen();
		}
		if (w->height > w->max_height) {
			w->height = w->max_height;
			gfx_invalidate_screen();
		}
	}
	else {
		w->min_width = 320;
		w->min_height = 270;
		w->max_width = 320;
		w->max_height = 450;

		if (w->width < w->min_width) {
			w->width = w->min_width;
			window_invalidate(w);
		}
		if (w->height < w->min_height) {
			w->height = w->min_height;
			window_invalidate(w);
		}
		if (w->width > w->max_width) {
			w->width = w->max_width;
			window_invalidate(w);
		}
		if (w->height > w->max_height) {
			w->height = w->max_height;
			window_invalidate(w);
		}
	}
}

static void window_themes_mousedown(int widgetIndex, rct_window* w, rct_widget* widget)
{
	short newSelectedTab;
	int num_items;

	switch (widgetIndex) {
	case WIDX_THEMES_SETTINGS_TAB:
	case WIDX_THEMES_MAIN_UI_TAB:
	case WIDX_THEMES_PARK_TAB:
	case WIDX_THEMES_TOOLS_TAB:
	case WIDX_THEMES_RIDE_PEEPS_TAB:
	case WIDX_THEMES_EDITORS_TAB:
	case WIDX_THEMES_MISC_TAB:
	case WIDX_THEMES_PROMPTS_TAB:
	case WIDX_THEMES_FEATURES_TAB:
		newSelectedTab = widgetIndex - WIDX_THEMES_SETTINGS_TAB;
		if (_selected_tab == newSelectedTab)
			break;
		_selected_tab = (uint8)newSelectedTab;
		w->scrolls[0].v_top = 0;
		w->frame_no = 0;
		window_event_resize_call(w);
		window_invalidate(w);
		break;
	case WIDX_THEMES_PRESETS_DROPDOWN:
		theme_manager_load_available_themes();
		num_items = (int)theme_manager_get_num_available_themes();

		widget--;
		for (int i = 0; i < num_items; i++) {
			gDropdownItemsFormat[i] = STR_OPTIONS_DROPDOWN_ITEM;
			gDropdownItemsArgs[i] = (uintptr_t)theme_manager_get_available_theme_name(i);
		}
		
		window_dropdown_show_text_custom_width(
			w->x + widget->left,
			w->y + widget->top,
			widget->bottom - widget->top + 1,
			w->colours[1],
			DROPDOWN_FLAG_STAY_OPEN,
			num_items,
			widget->right - widget->left - 3
		);

		dropdown_set_checked((int)theme_manager_get_active_available_theme_index(), true);
		break;
	case WIDX_THEMES_RCT1_RIDE_LIGHTS:
		if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
			window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_NONE);
		} else {
			theme_set_flags(theme_get_flags() ^ UITHEME_FLAG_USE_LIGHTS_RIDE);
			theme_save();
			window_invalidate_all();
		}
		break;
	case WIDX_THEMES_RCT1_PARK_LIGHTS:
		if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
			window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_NONE);
		} else {
			theme_set_flags(theme_get_flags() ^ UITHEME_FLAG_USE_LIGHTS_PARK);
			theme_save();
			window_invalidate_all();
		}
		break;
	case WIDX_THEMES_RCT1_SCENARIO_FONT:
		if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
			window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_NONE);
		} else {
			theme_set_flags(theme_get_flags() ^ UITHEME_FLAG_USE_ALTERNATIVE_SCENARIO_SELECT_FONT);
			theme_save();
			window_invalidate_all();
		}
		break;
	}
}

static void window_themes_dropdown(rct_window *w, int widgetIndex, int dropdownIndex)
{
	switch (widgetIndex) {
	case WIDX_THEMES_LIST:
		if (dropdownIndex != -1) {
			rct_windowclass wc = get_window_class_tab_index(_colour_index_1);
			uint8 colour = theme_get_colour(wc, _colour_index_2);
			colour = (colour & COLOUR_FLAG_TRANSLUCENT) | dropdownIndex;
			theme_set_colour(wc, _colour_index_2, colour);
			window_invalidate_all();
			_colour_index_1 = -1;
			_colour_index_2 = -1;

			// if (gCurrentTheme >= 2)
			// 	themes_save_preset(gCurrentTheme);
		}
		break;
	case WIDX_THEMES_PRESETS_DROPDOWN:
		if (dropdownIndex != -1) {
			theme_manager_set_active_available_theme(dropdownIndex);
		}
		break;
	}

}

void window_themes_update(rct_window *w)
{
	w->frame_no++;
	if (w->frame_no >= window_themes_tab_animation_loops[_selected_tab])
		w->frame_no = 0;

	widget_invalidate(w, WIDX_THEMES_SETTINGS_TAB + _selected_tab);

}

void window_themes_scrollgetsize(rct_window *w, int scrollIndex, int *width, int *height)
{
	if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS || _selected_tab == WINDOW_THEMES_TAB_FEATURES)
		return;

	int scrollHeight = get_colour_scheme_tab_count() * _row_height;
	int i = scrollHeight - window_themes_widgets[WIDX_THEMES_LIST].bottom + window_themes_widgets[WIDX_THEMES_LIST].top + 21;
	if (i < 0)
		i = 0;
	if (i < w->scrolls[0].v_top) {
		w->scrolls[0].v_top = i;
		window_invalidate(w);
	}

	*width = 420;
	*height = scrollHeight;
}

void window_themes_scrollmousedown(rct_window *w, int scrollIndex, int x, int y)
{
	if (y / _row_height < get_colour_scheme_tab_count()) {
		int y2 = y % _row_height;
		_colour_index_1 = y / _row_height;
		_colour_index_2 = ((x - _button_offset_x) / 12);

		rct_windowclass wc = get_window_class_tab_index(_colour_index_1);
		int numColours = theme_desc_get_num_colours(wc);
		if (_colour_index_2 < numColours) {
			if (x >= _button_offset_x && x < _button_offset_x + 12 * 6 && y2 >= _button_offset_y && y2 < _button_offset_y + 11) {
				if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
					window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_THEMES_DESC_CANT_CHANGE_THIS_THEME);
				} else {
					window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].type = WWT_COLOURBTN;
					window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].left = _button_offset_x + _colour_index_2 * 12 + window_themes_widgets[WIDX_THEMES_LIST].left;
					window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].top = _colour_index_1 * _row_height + _button_offset_y - w->scrolls[0].v_top + window_themes_widgets[WIDX_THEMES_LIST].top;
					window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].right = window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].left + 12;
					window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].bottom = window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].top + 12;

					uint8 colour = theme_get_colour(wc, _colour_index_2);
					window_dropdown_show_colour(w, &(window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK]), w->colours[1], colour);
					widget_invalidate(w, WIDX_THEMES_LIST);
				}
			}
			else if (x >= _button_offset_x && x < _button_offset_x + 12 * 6 - 1 && y2 >= _check_offset_y && y2 < _check_offset_y + 11) {
				if (theme_get_flags() & UITHEME_FLAG_PREDEFINED) {
					window_error_open(STR_THEMES_ERR_CANT_CHANGE_THIS_THEME, STR_THEMES_DESC_CANT_CHANGE_THIS_THEME);
				} else {
					uint8 colour = theme_get_colour(wc, _colour_index_2);
					if (colour & COLOUR_FLAG_TRANSLUCENT) {
						colour &= ~COLOUR_FLAG_TRANSLUCENT;
					} else {
						colour |= COLOUR_FLAG_TRANSLUCENT;
					}
					theme_set_colour(wc, _colour_index_2, colour);
					window_invalidate_all();
				}
			}
		}
	}
}

void window_themes_scrollmouseover(rct_window *w, int scrollIndex, int x, int y)
{
	//if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS)
	//	return;
}

static void window_themes_textinput(rct_window *w, int widgetIndex, char *text)
{
	if (text == NULL || text[0] == 0)
		return;

	switch (widgetIndex) {
	case WIDX_THEMES_DUPLICATE_BUTTON:
	case WIDX_THEMES_RENAME_BUTTON:
		if (filename_valid_characters(text)) {
			bool nameTaken = false;
			int numAvailableThemes = (int)theme_manager_get_num_available_themes();
			for (int i = 0; i < numAvailableThemes; i++) {
				const utf8 * themeName = theme_manager_get_available_theme_name(i);
				if (strcmp(themeName, text) == 0) {
					if (widgetIndex != WIDX_THEMES_RENAME_BUTTON) {
					    window_error_open(STR_THEMES_ERR_NAME_ALREADY_EXISTS, STR_NONE);
					}
					nameTaken = true;
					break;
				}
			}
			if (!nameTaken) {
				if (widgetIndex == WIDX_THEMES_DUPLICATE_BUTTON) {
					theme_duplicate(text);
				} else {
					theme_rename(text);
				}
				window_invalidate(w);
			}
		} else {
			window_error_open(STR_ERROR_INVALID_CHARACTERS, STR_NONE);
		}
		break;
	}
}

void window_themes_tooltip(rct_window* w, int widgetIndex, rct_string_id *stringId)
{
	set_format_arg(0, rct_string_id, STR_LIST);
}

void window_themes_invalidate(rct_window *w)
{
	colour_scheme_update(w);

	int pressed_widgets = w->pressed_widgets & 0xFFFFE00F;
	uint8 widgetIndex = _selected_tab + 4;

	w->pressed_widgets = pressed_widgets | (1 << widgetIndex);

	if (window_find_by_class(WC_DROPDOWN) == NULL) {
		_colour_index_1 = -1;
		_colour_index_2 = -1;
	}

	window_themes_widgets[WIDX_THEMES_BACKGROUND].right = w->width - 1;
	window_themes_widgets[WIDX_THEMES_BACKGROUND].bottom = w->height - 1;
	window_themes_widgets[WIDX_THEMES_TAB_CONTENT_PANEL].right = w->width - 1;
	window_themes_widgets[WIDX_THEMES_TAB_CONTENT_PANEL].bottom = w->height - 1;
	window_themes_widgets[WIDX_THEMES_TITLE].right = w->width - 2;
	window_themes_widgets[WIDX_THEMES_CLOSE].left = w->width - 2 - 0x0B;
	window_themes_widgets[WIDX_THEMES_CLOSE].right = w->width - 2 - 0x0B + 0x0A;
	window_themes_widgets[WIDX_THEMES_LIST].right = w->width - 4;
	window_themes_widgets[WIDX_THEMES_LIST].bottom = w->height - 0x0F;


	window_themes_widgets[WIDX_THEMES_LIST].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_RCT1_RIDE_LIGHTS].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_RCT1_PARK_LIGHTS].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_RCT1_SCENARIO_FONT].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_DUPLICATE_BUTTON].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_DELETE_BUTTON].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_RENAME_BUTTON].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_PRESETS].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_PRESETS_DROPDOWN].type = WWT_EMPTY;
	window_themes_widgets[WIDX_THEMES_COLOURBTN_MASK].type = WWT_EMPTY;

	if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS) {
		window_themes_widgets[WIDX_THEMES_LIST].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RCT1_RIDE_LIGHTS].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RCT1_PARK_LIGHTS].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RCT1_SCENARIO_FONT].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_DUPLICATE_BUTTON].type = WWT_DROPDOWN_BUTTON;
		window_themes_widgets[WIDX_THEMES_DELETE_BUTTON].type = WWT_DROPDOWN_BUTTON;
		window_themes_widgets[WIDX_THEMES_RENAME_BUTTON].type = WWT_DROPDOWN_BUTTON;
		window_themes_widgets[WIDX_THEMES_PRESETS].type = WWT_DROPDOWN;
		window_themes_widgets[WIDX_THEMES_PRESETS_DROPDOWN].type = WWT_DROPDOWN_BUTTON;
	}
	else if (_selected_tab == WINDOW_THEMES_TAB_FEATURES) {
		window_themes_widgets[WIDX_THEMES_LIST].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RCT1_RIDE_LIGHTS].type = WWT_CHECKBOX;
		window_themes_widgets[WIDX_THEMES_RCT1_PARK_LIGHTS].type = WWT_CHECKBOX;
		window_themes_widgets[WIDX_THEMES_RCT1_SCENARIO_FONT].type = WWT_CHECKBOX;
		window_themes_widgets[WIDX_THEMES_DUPLICATE_BUTTON].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_DELETE_BUTTON].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RENAME_BUTTON].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_PRESETS].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_PRESETS_DROPDOWN].type = WWT_EMPTY;

		widget_set_checkbox_value(w, WIDX_THEMES_RCT1_RIDE_LIGHTS, theme_get_flags() & UITHEME_FLAG_USE_LIGHTS_RIDE);
		widget_set_checkbox_value(w, WIDX_THEMES_RCT1_PARK_LIGHTS, theme_get_flags() & UITHEME_FLAG_USE_LIGHTS_PARK);
		widget_set_checkbox_value(w, WIDX_THEMES_RCT1_SCENARIO_FONT, theme_get_flags() & UITHEME_FLAG_USE_ALTERNATIVE_SCENARIO_SELECT_FONT);
	}
	else {
		window_themes_widgets[WIDX_THEMES_LIST].type = WWT_SCROLL;
		window_themes_widgets[WIDX_THEMES_RCT1_RIDE_LIGHTS].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RCT1_PARK_LIGHTS].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RCT1_SCENARIO_FONT].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_DUPLICATE_BUTTON].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_DELETE_BUTTON].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_RENAME_BUTTON].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_PRESETS].type = WWT_EMPTY;
		window_themes_widgets[WIDX_THEMES_PRESETS_DROPDOWN].type = WWT_EMPTY;
	}
}

void window_themes_paint(rct_window *w, rct_drawpixelinfo *dpi)
{
	// Widgets
	window_draw_widgets(w, dpi);
	window_themes_draw_tab_images(dpi, w);

	if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS) {
		size_t activeAvailableThemeIndex = theme_manager_get_active_available_theme_index();
		const utf8 * activeThemeName = theme_manager_get_available_theme_name(activeAvailableThemeIndex);
		set_format_arg(0, uintptr_t, (uintptr_t)activeThemeName);
		gfx_draw_string_left(dpi, STR_THEMES_LABEL_CURRENT_THEME, NULL, w->colours[1], w->x + 10, w->y + window_themes_widgets[WIDX_THEMES_PRESETS].top + 1);
		gfx_draw_string_left_clipped(
			dpi,
			STR_STRING,
			gCommonFormatArgs,
			w->colours[1],
			w->x + window_themes_widgets[WIDX_THEMES_PRESETS].left + 1,
			w->y + window_themes_widgets[WIDX_THEMES_PRESETS].top,
			w->x + window_themes_widgets[WIDX_THEMES_PRESETS_DROPDOWN].left - window_themes_widgets[WIDX_THEMES_PRESETS].left - 4
		);
	}
	else if (_selected_tab == WINDOW_THEMES_TAB_FEATURES) {

	}
	else {
		gfx_draw_string_left(dpi, STR_THEMES_HEADER_WINDOW, w, w->colours[1], w->x + 6, 58 - 12 + w->y + 1);
		gfx_draw_string_left(dpi, STR_THEMES_HEADER_PALETTE, w, w->colours[1], w->x + 220, 58 - 12 + w->y + 1);
	}
}

/**
*
*  rct2: 0x006BD785
*/
void window_themes_scrollpaint(rct_window *w, rct_drawpixelinfo *dpi, int scrollIndex)
{
	int y;

	if (_selected_tab == WINDOW_THEMES_TAB_SETTINGS || _selected_tab == WINDOW_THEMES_TAB_FEATURES)
		return;

	if ((w->colours[1] & 0x80) == 0)
		//gfx_fill_rect(dpi, dpi->x, dpi->y, dpi->x + dpi->width - 1, dpi->y + dpi->height - 1, ColourMapA[w->colours[1]].mid_light);
		gfx_clear(dpi, ColourMapA[w->colours[1]].mid_light * 0x1010101);
	y = 0;
	for (int i = 0; i < get_colour_scheme_tab_count(); i++) {
		if (y > dpi->y + dpi->height) {
			break;
		}
		if (y + _row_height >= dpi->y) {
			if (i + 1 < get_colour_scheme_tab_count()) {
				int colour = w->colours[1];
				if (colour & COLOUR_FLAG_TRANSLUCENT) {
					colour = _9DEDF4[colour];

					colour = colour | 0x2000000;
					gfx_fill_rect(dpi, 0, y + _row_height - 2, window_themes_widgets[WIDX_THEMES_LIST].right, y + _row_height - 2, colour + 1);
					gfx_fill_rect(dpi, 0, y + _row_height - 1, window_themes_widgets[WIDX_THEMES_LIST].right, y + _row_height - 1, colour + 2);
				}
				else {
					colour = ColourMapA[w->colours[1]].mid_dark;
					gfx_fill_rect(dpi, 0, y + _row_height - 2, window_themes_widgets[WIDX_THEMES_LIST].right, y + _row_height - 2, colour);
					colour = ColourMapA[w->colours[1]].lightest;
					gfx_fill_rect(dpi, 0, y + _row_height - 1, window_themes_widgets[WIDX_THEMES_LIST].right, y + _row_height - 1, colour);
				}
			}

			rct_windowclass wc = get_window_class_tab_index(i);
			int numColours = theme_desc_get_num_colours(wc);
			for (uint8 j = 0; j < numColours; j++) {
				gfx_draw_string_left(dpi, theme_desc_get_name(wc), NULL, w->colours[1], 2, y + 4);

				uint8 colour = theme_get_colour(wc, j);
				uint32 image = ((colour & ~COLOUR_FLAG_TRANSLUCENT) << 19) | 0x60000000 | SPR_PALETTE_BTN;
				if (i == _colour_index_1 && j == _colour_index_2) {
					image = ((colour & ~COLOUR_FLAG_TRANSLUCENT) << 19) | 0x60000000 | SPR_PALETTE_BTN_PRESSED;
				}
				gfx_draw_sprite(dpi, image, _button_offset_x + 12 * j, y + _button_offset_y, 0);

				gfx_fill_rect_inset(dpi, _button_offset_x + 12 * j, y + _check_offset_y, _button_offset_x + 12 * j + 9, y + _check_offset_y + 10, w->colours[1], 0xE0);
				if (colour & COLOUR_FLAG_TRANSLUCENT) {
					gCurrentFontSpriteBase = -1;
					gfx_draw_string(dpi, (char*)CheckBoxMarkString, w->colours[1] & 0x7F, _button_offset_x + 12 * j, y + _check_offset_y);
				}

			}
		}

		y += _row_height;
	}
}