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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
* Copyright (C) 2009 Aethyra Development Team
*
* This file is part of The Mana Client.
*
* This program 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 2 of the License, or
* any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "utils/time.h"
#include <guichan/mouselistener.hpp>
#include <guichan/widget.hpp>
#include <deque>
#include <optional>
#include <vector>
class LinkHandler;
struct LayoutContext;
struct BrowserLink
{
gcn::Rectangle rect; /**< Where link is placed */
std::string link;
std::string caption;
bool contains(int x, int y) const
{
return rect.isPointInRect(x, y);
}
};
struct LinePart
{
int x;
int y;
gcn::Color color;
std::optional<gcn::Color> outlineColor;
std::string text;
gcn::Font *font;
};
struct TextRow
{
std::string text;
std::vector<LinePart> parts;
std::vector<BrowserLink> links;
int width = 0;
int height = 0;
};
/**
* A simple browser box able to handle links and forward events to the
* parent conteiner.
*/
class BrowserBox : public gcn::Widget,
public gcn::MouseListener
{
public:
enum Mode
{
AUTO_SIZE,
AUTO_WRAP /**< Maybe it needs a fix or to be redone. */
};
BrowserBox(Mode mode = AUTO_SIZE);
~BrowserBox() override;
/**
* Sets the handler for links.
*/
void setLinkHandler(LinkHandler *handler) { mLinkHandler = handler; }
void setPalette(int palette) { mPalette = palette; }
/**
* Sets the Highlight mode for links.
*/
void setHighlightMode(unsigned int mode) { mHighlightMode = mode; }
/**
* Sets the wrap indent for the browser box.
*/
void setWrapIndent(int indent) { mWrapIndent = indent; }
/**
* Sets whether the font will use a shadow for text.
*/
void setShadowedText(bool shadows) { mShadows = shadows; }
/**
* Sets whether the font will use a shadow for text.
*/
void setOutlinedText(bool outline) { mOutline = outline; }
/**
* Sets the maximum numbers of rows in the browser box. 0 = no limit.
*/
void setMaxRows(unsigned maxRows) { mMaxRows = maxRows; }
/**
* Disable links & user defined colors to be used in chat input.
*/
void disableLinksAndUserColors() { mUseLinksAndUserColors = false; }
/**
* Enable or disable the replacement of keys.
*/
void setEnableKeys(bool enable) { mEnableKeys = enable; }
/**
* Adds one or more text rows to the browser, separated by '\n'.
*/
void addRows(std::string_view rows);
/**
* Adds a text row to the browser.
*/
void addRow(std::string_view row);
/**
* Remove all rows.
*/
void clearRows();
/**
* Handles mouse actions.
*/
void mousePressed(gcn::MouseEvent &event) override;
void mouseMoved(gcn::MouseEvent &event) override;
void mouseExited(gcn::MouseEvent &event) override;
/**
* Draws the browser box.
*/
void draw(gcn::Graphics *graphics) override;
/**
* Overridden to avoid drawing the default frame.
*/
void drawFrame(gcn::Graphics *) override {}
/**
* Highlight modes for links.
* This can be used for a bitmask.
*/
enum LinkHighlightMode
{
UNDERLINE = 1,
BACKGROUND = 2
};
private:
void relayoutText();
void layoutTextRow(TextRow &row, LayoutContext &context);
void updateHoveredLink(int x, int y);
void maybeRelayoutText();
std::deque<TextRow> mTextRows;
LinkHandler *mLinkHandler = nullptr;
int mPalette = 0;
Mode mMode;
unsigned int mHighlightMode = UNDERLINE | BACKGROUND;
int mWrapIndent = 0;
bool mShadows = false;
bool mOutline = false;
bool mUseLinksAndUserColors = true;
bool mEnableKeys = false;
std::optional<BrowserLink> mHoveredLink;
unsigned int mMaxRows = 0;
int mLastLayoutWidth = 0;
Timer mLayoutTimer;
};
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