llconsole.h

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#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();

        virtual EWidgetType getWidgetType() const;
        virtual LLString getWidgetTag() const;

        // 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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