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pltkd.h
Go to the documentation of this file.
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// Holds system header includes, prototypes of TK driver
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// utility functions, and definition of the state structure.
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//
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// This file is set up so that the determined user can get access
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// to the tk driver data without too much hassle. The only drawback
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// is that plplotP.h must be included to get all of the necessary
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// system header files and configuration settings.
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//
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#ifndef __PLTKD_H__
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#define __PLTKD_H__
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#include "
plplotP.h
"
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#include "
pltk.h
"
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#include "
pdf.h
"
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#include <tk.h>
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#ifdef PLD_dp
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#include <dp.h>
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#endif
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// typedef the type pid_t - a dummy for the moment - for MS Windows
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// platforms other than those (e.g., MinGW) that typedef it already.
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#if defined ( __WIN32__ ) && !defined ( __MINGW32__ )
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typedef
unsigned
int
pid_t;
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#endif
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// One of these holds the TK driver state information
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typedef
struct
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{
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Tk_Window
w
;
// Main window
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Tcl_Interp *
interp
;
// Interpreter
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PLINT
xold,
yold
;
// Coordinates of last point plotted
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unsigned
width
,
height
;
// Current window dimensions
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int
exit_eventloop
;
// Break out of event loop
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int
pass_thru
;
// Skip normal error termination
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char
*
cmdbuf
;
// Command buffer
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size_t
cmdbuf_len
;
// and its length
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PLiodev
*
iodev
;
// I/O device info
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const
char
*
updatecmd
;
// Name of update command
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pid_t
child_pid
;
// PID for child process
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int
instr
;
// Instruction timer
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int
max_instr
;
// Limit before issuing an update
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int
locate_mode
;
// Set while in locate mode
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PLGraphicsIn
gin
;
// Graphics input structure
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}
TkDev
;
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#endif // __PLTKD_H__
plplot_source
bindings
tk
pltkd.h
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