| 15 |
|
int (*getcur)(); /* get cursor position */ |
| 16 |
|
int (*comout)(); /* command line output */ |
| 17 |
|
int (*comin)(); /* command line input */ |
| 18 |
+ |
int (*flush)(); /* flush output */ |
| 19 |
|
double pixaspect; /* pixel aspect ratio */ |
| 20 |
|
int xsiz, ysiz; /* device size */ |
| 21 |
|
int inpready; /* input ready on device */ |
| 34 |
|
#define COM_GETCUR 2 |
| 35 |
|
#define COM_COMOUT 3 |
| 36 |
|
#define COM_COMIN 4 |
| 37 |
< |
#define NREQUESTS 5 /* number of valid requests */ |
| 37 |
> |
#define COM_FLUSH 5 |
| 38 |
> |
#define NREQUESTS 6 /* number of valid requests */ |
| 39 |
|
|
| 40 |
|
extern struct device { /* interactive device */ |
| 41 |
|
char *name; /* device name */ |
| 77 |
|
* int xmin, ymin, xmax, ymax; |
| 78 |
|
* { |
| 79 |
|
* Paint a half-open rectangle from (xmin,ymin) to (xmax,ymax) |
| 80 |
< |
* with the color col. Can call repaint() if necessary. |
| 80 |
> |
* with the color col. |
| 81 |
|
* } |
| 82 |
|
* (*dev->getcur)(xp, yp) |
| 83 |
|
* int *xp, *yp; |
| 94 |
|
* string ends with '\n', the message is considered complete, |
| 95 |
|
* and the next call can erase it. |
| 96 |
|
* } |
| 97 |
< |
* (*dev->comin)(in) |
| 98 |
< |
* char *in; |
| 97 |
> |
* (*dev->comin)(in, prompt) |
| 98 |
> |
* char *in, *prompt; |
| 99 |
|
* { |
| 100 |
< |
* Read an edited input string from the command line. If |
| 101 |
< |
* an unrecognized control character is entered, terminate |
| 102 |
< |
* input and return the string with only that character. |
| 103 |
< |
* The input string should not contain a newline. |
| 104 |
< |
* Must work in consort with comout. |
| 100 |
> |
* Print a prompt then read an edited input command line |
| 101 |
> |
* assuming the in buffer is big enough. Unless prompt is NULL, |
| 102 |
> |
* the driver may substitute its own rview command. This is |
| 103 |
> |
* the most reliable way to repaint areas of the screen. |
| 104 |
> |
* If the user enters an unrecognized control character is entered, |
| 105 |
> |
* terminate input and return the string with only that character. |
| 106 |
> |
* The input string should not contain a newline. The routines in |
| 107 |
> |
* editline.c may be useful. Comin must work in consort with comout. |
| 108 |
> |
* } |
| 109 |
> |
* (*dev->flush)() |
| 110 |
> |
* { |
| 111 |
> |
* Flush output to the display. This is guaranteed to be called |
| 112 |
> |
* frequently enough to keep the display up to date. |
| 113 |
> |
* This is an ideal time to check for device input. |
| 114 |
> |
* This function can be NULL for devices that don't need it. |
| 115 |
|
* } |
| 116 |
|
* xsiz, ysiz |
| 117 |
|
* The maximum allowable x and y dimensions. If any |
