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/**
* @file llconsole.h
* @brief a simple console-style output device
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLCONSOLE_H
#define LL_LLCONSOLE_H
#include "llfixedbuffer.h"
#include "llview.h"
#include "v4color.h"
#include <deque>
class LLFontGL;
class LLConsole : public LLFixedBuffer, public LLView
{
private:
F32 mLinePersistTime; // Age at which to stop drawing.
F32 mFadeTime; // Age at which to start fading
std::deque<LLColor4> mColors;
LLFontGL* mFont;
S32 mLastBoxHeight;
S32 mLastBoxWidth;
struct LineInfo
{
LineInfo(const LLWString &wln, F32 sz, const LLColor4& clr, F32 time)
: wline(wln), size(sz), color(clr), add_time(time)
{
}
LLWString wline;
F32 size;
LLColor4 color;
F32 add_time;
};
typedef std::list<LineInfo> line_queue_t;
line_queue_t mLineQueue;
public:
// Font size:
// -1 = monospace, 0 means small, font size = 1 means big
LLConsole(const std::string& name, const U32 max_lines, const LLRect &rect,
S32 font_size_index, F32 persist_time );
virtual ~LLConsole();
// each line lasts this long after being added
void setLinePersistTime(F32 seconds);
void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);
// -1 = monospace, 0 means small, font size = 1 means big
void setFontSize(S32 size_index);
void addLine(const LLString& utf8line, F32 size, const LLColor4 &color);
void addLine(const LLWString& wline, F32 size, const LLColor4 &color);
void addQueuedLines();
// Overrides
/*virtual*/ void draw();
/*virtual*/ void addLine(const LLString& utf8line);
/*virtual*/ void addLine(const LLWString& line);
/*virtual*/ void removeExtraLines();
};
extern LLConsole* gConsole;
#endif
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