/* $Id$ */

/*

 * This file is part of OpenTTD.

 * OpenTTD 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, version 2.

 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.

 */

/** @file viewport_gui.cpp Extra viewport window. */

#include "stdafx.h"

#include "landscape.h"

#include "window_gui.h"

#include "viewport_func.h"

#include "gfx_func.h"

#include "strings_func.h"

#include "zoom_func.h"

#include "window_func.h"

#include "table/strings.h"

#include "table/sprites.h"

/** Widget numbers of the extra viewport window. */

enum ExtraViewportWindowWidgets {

	EVW_CAPTION,

	EVW_VIEWPORT,

	EVW_ZOOMIN,

	EVW_ZOOMOUT,

	EVW_MAIN_TO_VIEW,

	EVW_VIEW_TO_MAIN,

};

/* Extra ViewPort Window Stuff */

static const NWidgetPart _nested_extra_view_port_widgets[] = {

	NWidget(NWID_HORIZONTAL),

		NWidget(WWT_CLOSEBOX, COLOUR_GREY),

		NWidget(WWT_CAPTION, COLOUR_GREY, EVW_CAPTION), SetDataTip(STR_EXTRA_VIEW_PORT_TITLE, STR_TOOLTIP_WINDOW_TITLE_DRAG_THIS),

		NWidget(WWT_SHADEBOX, COLOUR_GREY),

		NWidget(WWT_STICKYBOX, COLOUR_GREY),

	EndContainer(),

	NWidget(WWT_PANEL, COLOUR_GREY),

		NWidget(NWID_VIEWPORT, INVALID_COLOUR, EVW_VIEWPORT), SetPadding(2, 2, 2, 2), SetResize(1, 1), SetFill(1, 1),

			NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, EVW_MAIN_TO_VIEW), SetFill(1, 1), SetResize(1, 0),

										SetDataTip(STR_EXTRA_VIEW_MOVE_MAIN_TO_VIEW, STR_EXTRA_VIEW_MOVE_MAIN_TO_VIEW_TT),

			NWidget(WWT_PUSHTXTBTN, COLOUR_GREY, EVW_VIEW_TO_MAIN), SetFill(1, 1), SetResize(1, 0),

										SetDataTip(STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN, STR_EXTRA_VIEW_MOVE_VIEW_TO_MAIN_TT),

		EndContainer(),

	EndContainer(),

	NWidget(NWID_HORIZONTAL),

		NWidget(WWT_PANEL, COLOUR_GREY), SetFill(1, 1), SetResize(1, 0), EndContainer(),

		NWidget(WWT_RESIZEBOX, COLOUR_GREY),

	EndContainer(),

};

class ExtraViewportWindow : public Window {

public:

	ExtraViewportWindow(const WindowDesc *desc, int window_number, TileIndex tile) : Window()

	{

		this->InitNested(desc, window_number);

		NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(EVW_VIEWPORT);

		nvp->InitializeViewport(this, 0, ZOOM_LVL_NORMAL);

		this->DisableWidget(EVW_ZOOMIN);

		Point pt;

		if (tile == INVALID_TILE) {

			const Window *w = FindWindowById(WC_MAIN_WINDOW, 0);

			/* center on same place as main window (zoom is maximum, no adjustment needed) */

			pt.x = w->viewport->scrollpos_x + w->viewport->virtual_width / 2;

			pt.y = w->viewport->scrollpos_y + w->viewport->virtual_height / 2;

		} else {

			pt = RemapCoords(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, TileHeight(tile));

		}

		this->viewport->scrollpos_x = pt.x - this->viewport->virtual_width / 2;

		this->viewport->scrollpos_y = pt.y - this->viewport->virtual_height / 2;

		this->viewport->dest_scrollpos_x = this->viewport->scrollpos_x;

		this->viewport->dest_scrollpos_y = this->viewport->scrollpos_y;

	}

	virtual void SetStringParameters(int widget) const

	{

		switch (widget) {

			case EVW_CAPTION:

				/* set the number in the title bar */

				SetDParam(0, this->window_number + 1);

				break;

		}

	}