main_widget.h

#ifndef SDXCVR_MAINWIDGET_H
#define SDXCVR_MAINWIDGET_H

#include <qwidget.h>
#include <qapplication.h>
#include <qpushbutton.h>
#include <qscrollview.h>
#include <qfont.h>
#include <qpixmap.h>
#include <qlistview.h>
#include <qlabel.h>
#include <qslider.h>
#include <qlineedit.h>
#include <qtimer.h>
#include <qdatetime.h>
#include <qfile.h>
#include <qsettings.h>
#include <qpainter.h>
#include <qimage.h>
#include <qlcdnumber.h>
#include <qheader.h>
#include <qdir.h>
#include <qtextedit.h>
#include <qscrollbar.h>
#include <qtabwidget.h>
#include <qspinbox.h>
#include <qtextedit.h>
#include <qgroupbox.h>
#include <qbuttongroup.h>
#include <qradiobutton.h>

#include <time.h>
#include <sys/timeb.h>

#include "spectrogram.h"
#include "spectrum.h"
#include "varilabel.h"
#include "memorycell.h"
#include "worldmap.h"
#include "pbscale.h"

#define CMD_FILE "/dev/shm/SDRcommands"
#define MTR_FILE "/dev/shm/SDRmeter"
#define FFT_FILE "/dev/shm/SDRspectrum"

// DttSP constants
#define DEFSPEC (4096)
#define MAXRX (4)
#define RXMETERPTS (5)
#define TXMETERPTS (9)

#define DEFSPEC (4096)
#define SPECTRUM_HISTORY_SIZE (1000)

#define NUM_MODES 12

class Main_Widget : public QWidget
{
    Q_OBJECT

    private:
        QPushButton *quit_button;
        QScrollView *scroll_view;
        QFont *font;
        QLineEdit *cfgCallInput, *cfgLOFreqInput;
		QSpinBox *cfgIQPhaseInput, *cfgIQGainInput;
		QSpinBox *specCalSpinBox, *metrCalSpinBox;
        QPixmap *rxPix, *txPix;
        QFrame *trxFrame;

        Varilabel *NR_label;
        Varilabel *ANF_label;
        Varilabel *NB_label;
        Varilabel *BIN_label;
        Varilabel *MUTE_label;
        Varilabel *SPEC_label;
		
		Varilabel *LSB_label;
		Varilabel *USB_label;
		Varilabel *DSB_label;
		Varilabel *AM_label;
		Varilabel *CWL_label;
		Varilabel *CWU_label;
		Varilabel *SAM_label;
		Varilabel *FMN_label;		
		Varilabel *CFG_label;
		Varilabel *AGC_O_label, *AGC_L_label, 
			*AGC_S_label, *AGC_M_label, *AGC_F_label;

        PassBandScale *pbscale;

		QFont *font1;
		QFontMetrics *font1Metrics;
        QLabel *signal_S;
        QLabel *signal_dBm;
        QLabel *qtrLabel;
        QLabel *CA_label;
        QLabel *iqGainLabel, *iqPhaseLabel;
        QLabel *callsignLabel;
        QLabel *cmdLabel;
        QLabel *CPU_label;
		QLabel *f_label;
		QLabel *logoLabel;
		QLabel *M_label;
		QLabel *AGC_label;
		QLabel *Spacer_label;

		QFrame *logoFrame;
		
        MemoryCell *f1_cell;
        MemoryCell *f2_cell;
        MemoryCell *f3_cell;
        MemoryCell *f4_cell;
        MemoryCell *f5_cell;
        MemoryCell *f6_cell;
        MemoryCell *f7_cell;
        MemoryCell *f8_cell;

        QLabel *af1_label;
        QLabel *af2_label;
        QLabel *af3_label;
        QLabel *af4_label;
        QLabel *af5_label;
        QLabel *af6_label;
        QLabel *af7_label;
        QLabel *af8_label;        
        
        Spectrogram *spectrogram;
        Spectrum *spectrumFrame;
        QFrame *spectrogramFrame;
        QFrame *spectrumScale;
        QPixmap *spectrumPix;
        
        QFrame *ctlFrame;
        QFrame *ctlFrame2;
        QFrame *cfgFrame;
        QFrame *cmdFrame;
        QFrame *signalFrame;
        QFrame *signalBargraph[34];
        QFrame *map;
        QFrame *filterFrame;
        QColor *signalColor[34];
        QString *modeName[NUM_MODES];
        QString stationCallsign;
        QString stationQTH;
        QLCDNumber *lcd;
        QTextStream cmdStream;
        QTextEdit *textFrame;
		QTable *configTable;

		QFrame *step_1Hz_frame;
		QFrame *step_10Hz_frame;
		QFrame *step_100Hz_frame;
		QFrame *step_1000Hz_frame;

        WorldMap *worldmap;
        
        unsigned long long int rx_f;
        QString rx_f_string;
        int sample_rate;
        int rx_delta_f, tuneStep;
        int *filter_l, *filter_h, filter_w;
        int USB_filter_l, USB_filter_h;
        int LSB_filter_l, LSB_filter_h;
        int DSB_filter_l, DSB_filter_h;
        int CWL_filter_l, CWL_filter_h;
        int CWU_filter_l, CWU_filter_h;
        int SAM_filter_l, SAM_filter_h;
        int FMN_filter_l, FMN_filter_h;
        int AM_filter_l, AM_filter_h;
        int s_dbm[34];
        int spec_r[120], spec_g[120], spec_b[120];
        int mode;
        int iqGain, iqPhase;
        int NR_state;
        int ANF_state;
        int NB_state;
        int BIN_state;
        int MUTE_state;
        int SPEC_state;
        int filterLine;
        int font1PointSize;
        int theme;
		int map_flag;
		int polyphaseFFT;
		int fftWindow;
		int spectrumType;
		int agcType;

        float spectrum[DEFSPEC];
        float oscope[DEFSPEC];
        float specApertureLow, specApertureHigh;
		float specCal;
		float metrCal;

        int spectrum_history[SPECTRUM_HISTORY_SIZE][DEFSPEC];
        int spectrum_head;
        
        float loadavg;
        double my_lon, my_lat;
        
        FILE *cmdFile;
        FILE *mtrFile;
        FILE *fftFile;

        FILE *loadavg_stream;
        
        enum kb_state { RX_F, TX_F, FILTER_L, FILTER_H };
        enum modes
		{ LSB, USB, DSB, CWL, CWU, FMN, AM, DIGU, SPEC, DIGL, SAM, DRM };
        enum spec_type { SEMI_RAW, PRE_FILT, POST_FILT };

		typedef enum _windowtype {
			RECTANGULAR_WINDOW,
			HANNING_WINDOW,
			WELCH_WINDOW,
			PARZEN_WINDOW,
			BARTLETT_WINDOW,
			HAMMING_WINDOW,
			BLACKMAN2_WINDOW,
			BLACKMAN3_WINDOW,
			BLACKMAN4_WINDOW,
			EXPONENTIAL_WINDOW,
			RIEMANN_WINDOW,
			BLACKMANHARRIS_WINDOW,
			NUTTALL_WINDOW,
		} Windowtype;

        void initConstants();
        void rx_cmd( int );
        void process_key( int );
        void setRxFrequency();
        void loadSettings();
        void saveSettings();
        void setScrollBarColors( QScrollBar * );
        void setCA_label();
        void set_NR( int );
  
        void set_ANF( int );
        void set_NB( int );
        void set_BIN( int );
        void set_MUTE( int );
        void set_SPEC( int );
        void setIQGain();
        void setIQPhase();
        void drawSpectrogram();
        void drawSpectrogram_2();
        void drawSpectrumScale();
        void drawSpectrumScale_2();
		void drawPassBandScale();
        void setTheme( int );
		void updateLayout();
		void loadMemoryCells();

    public:
        Main_Widget(QWidget *parent = 0, const char *name = 0);

    public slots:
        void finish();
        void readMeter();
        void readSpectrum();
        //void processCmdLine();
        void spectrogramClicked( int );
        void plotSpectrum( int );
        void tune( int );
        void processorLoad();

        void setTuneStep( int );
        void toggle_NR( int );
        void toggle_ANF( int );
        void toggle_NB( int );
        void toggle_BIN( int );
        void toggle_MUTE( int );
        void toggle_SPEC( int );
        
        void setFilter_l( int );
        void setFilter_h( int );
        void setMode( int );
        void setFilter();
		void f_at_mousepointer( int );
		void setLowerFilterScale( int );
		void setUpperFilterScale( int );
		void setCfg( int);

        void readMem( MemoryCell * );
        void writeMem( MemoryCell * );
        void displayMem( MemoryCell * );
        void displayNCO( int );

		void updateCallsign();
		void updateLOFreq();
		void updateIQGain( int );
		void updateIQPhase( int );
		void setPolyFFT( int );
		void setFFTWindow( int );
		void setSpectrumType( int );
		void setAGC( int );
		void calibrateSpec( int );
		void calibrateMetr( int );

    protected:
        void keyPressEvent( QKeyEvent * );
        void paintEvent( QPaintEvent * );
		void focusInEvent( QFocusEvent * );
        void focusOutEvent( QFocusEvent * );
        void closeEvent( QCloseEvent * );
};
#endif