/************************************************************************
* file name         : globals.h
* ----------------- :
* creation time     : 2016/08/03
* copyright         : (c) 2016 Victor Zarubkin
* author            : Victor Zarubkin
* email             : v.s.zarubkin@gmail.com
* ----------------- :
* description       : The file contains declaration of global constants and variables for profiler gui.
* ----------------- :
* change log        : * 2016/08/03 Victor Zarubkin: initial commit.
*                   :
*                   : *
* ----------------- :
* license           : TODO: add license text
************************************************************************/

#ifndef EASY_PROFILER__GUI_GLOBALS_H
#define EASY_PROFILER__GUI_GLOBALS_H

#include <string>
#include <QObject>
#include <QColor>
#include <QTextCodec>
#include "common_types.h"
#include "globals_qobjects.h"

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

class ProfGraphicsItem;
class ProfTreeWidgetItem;

const unsigned int NEGATIVE_ONE = std::numeric_limits<unsigned int>::max();

//////////////////////////////////////////////////////////////////////////

namespace profiler_gui {

	const QString ORGANAZATION_NAME = "EasyProfiler";
	const QString APPLICATION_NAME = "Easy profiler gui application";

    const QColor CHRONOMETER_COLOR = QColor::fromRgba(0x202020c0);
    const QRgb SELECTED_THREAD_BACKGROUND = 0x00e0e060;
    const QRgb SELECTED_THREAD_FOREGROUND = 0x00ffffff - SELECTED_THREAD_BACKGROUND;

    //////////////////////////////////////////////////////////////////////////

    struct ProfBlock final
    {
        ProfGraphicsItem*         graphics_item;
        ProfTreeWidgetItem*           tree_item;
        unsigned short      graphics_item_level;
        unsigned int        graphics_item_index;
    };

    typedef ::std::vector<ProfBlock> ProfBlocks;

    template <class T>
    inline auto toUnicode(const T& _inputString) -> decltype(QTextCodec::codecForLocale()->toUnicode(_inputString))
    {
        return QTextCodec::codecForLocale()->toUnicode(_inputString);
    }

    //////////////////////////////////////////////////////////////////////////

    struct ProfGlobals final
    {
        static ProfGlobals& instance();

        ProfGlobalSignals                         events; ///< Global signals
        ::profiler::thread_blocks_tree_t profiler_blocks; ///< Profiler blocks tree loaded from file
        ProfBlocks                            gui_blocks; ///< Profiler graphics blocks builded by GUI
        ::profiler::thread_id_t          selected_thread; ///< Current selected thread id
        unsigned int                      selected_block; ///< Current selected profiler block index
        bool                 draw_graphics_items_borders; ///< Draw borders for graphics blocks or not
        bool                 display_only_relevant_stats; ///< Display only relevant information in ProfTreeWidget (excludes min, max, average times if there are only 1 calls number)

    private:

        ProfGlobals();
    };
#ifndef IGNORE_GLOBALS_DECLARATION
    static ProfGlobals& EASY_GLOBALS = ProfGlobals::instance();
#endif
    //////////////////////////////////////////////////////////////////////////

} // END of namespace profiler_gui.

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

#endif // EASY_PROFILER__GUI_GLOBALS_H