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pltkd.h

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00001 // $Id: pltkd.h 11295 2010-11-01 22:19:45Z airwin $
00002 //
00003 //      Holds system header includes, prototypes of TK driver
00004 //      utility functions, and definition of the state structure.
00005 //
00006 //      This file is set up so that the determined user can get access
00007 //      to the tk driver data without too much hassle.  The only drawback
00008 //      is that plplotP.h must be included to get all of the necessary
00009 //      system header files and configuration settings.
00010 //
00011 
00012 #ifndef __PLTKD_H__
00013 #define __PLTKD_H__
00014 
00015 #include "plplotP.h"
00016 #include "pltk.h"
00017 #include "pdf.h"
00018 
00019 #include <tk.h>
00020 #ifdef PLD_dp
00021 #include <dp.h>
00022 #endif
00023 
00024 // One of these holds the TK driver state information
00025 
00026 typedef struct
00027 {
00028     Tk_Window    w;                     // Main window
00029     Tcl_Interp   *interp;               // Interpreter
00030     PLINT        xold, yold;            // Coordinates of last point plotted
00031     unsigned     width, height;         // Current window dimensions
00032     int          exit_eventloop;        // Break out of event loop
00033     int          pass_thru;             // Skip normal error termination
00034     char         *cmdbuf;               // Command buffer
00035     int          cmdbuf_len;            // and its length
00036     PLiodev      *iodev;                // I/O device info
00037     char         *updatecmd;            // Name of update command
00038     pid_t        child_pid;             // PID for child process
00039     int          instr;                 // Instruction timer
00040     int          max_instr;             // Limit before issuing an update
00041     int          locate_mode;           // Set while in locate mode
00042     PLGraphicsIn gin;                   // Graphics input structure
00043 } TkDev;
00044 
00045 #endif  // __PLTKD_H__

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