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Arquivotheca.SunOS-4.1.4/usr.lib/libsunwindow/pw/pw_batch.c
seta75D ff309bfe1c Init
2021-10-11 18:37:13 -03:00

173 lines
3.8 KiB
C

#ifndef lint
#ifdef sccs
static char sccsid[] = "@(#)pw_batch.c 1.1 94/10/31 Copyr 1985 Sun Micro";
#endif
#endif
/*
* Copyright (c) 1985 by Sun Microsystems, Inc.
*/
/*
* Pw_batch.c: Implement the retained image control operations
* of the pixwin.h interface.
*/
#include <sys/types.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <stdio.h>
#include <pixrect/pixrect.h>
#include <sunwindow/rect.h>
#include <sunwindow/rectlist.h>
#include <sunwindow/cms.h>
#include <sunwindow/pixwin.h>
#include <sunwindow/pw_util.h>
void
pw_batch(pw, type)
register Pixwin *pw;
Pw_batch_type type;
{
register struct pixwin_clipdata *pwcd = pw->pw_clipdata;
/* Return if not retained */
if (pw->pw_prretained == (struct pixrect *)0)
return;
/* Switch on type */
switch (type) {
case PW_SHOW: {
Pw_batch_type original_type = pwcd->pwcd_batch_type;
/* Break into 2 recursive calls */
pw_batch(pw, PW_NONE);
pw_batch(pw, original_type);
return;
}
case PW_NONE:
/* If any batch changes then refresh the screen */
if (!rect_isnull(&pwcd->pwcd_batchrect))
/* Update screen */
(void)pw_repair_batch(pw);
/* Reset to base state */
(void)pw_reset_batch(pw);
return;
case PW_ALL:
pwcd->pwcd_batch_type = PW_ALL;
break;
default:
pwcd->pwcd_batch_type = type;
break;
}
pwcd->pwcd_op_limit = (int)pwcd->pwcd_batch_type;
/* If new op limit is less then current op count the refresh screen */
if (pwcd->pwcd_op_count >= pwcd->pwcd_op_limit)
(void)pw_repair_batch(pw);
return;
}
pw_repair_batch(pw)
Pixwin *pw;
{
register struct pixwin_clipdata *pwcd = pw->pw_clipdata;
Pw_batch_type original_type = pwcd->pwcd_batch_type;
int original_lockcount = pwcd->pwcd_lockcount;
/* Set things up so that the repair will actually lock the screen */
pwcd->pwcd_batch_type = PW_NONE;
pwcd->pwcd_lockcount = 0;
(void)pw_repair(pw, &pwcd->pwcd_batchrect);
/* Reset state to same before repair */
pwcd->pwcd_lockcount = original_lockcount;
pwcd->pwcd_batch_type = original_type;
/* Reset batching stuff */
pwcd->pwcd_op_count = 0;
pwcd->pwcd_batchrect = rect_null;
}
pw_update_batch(pw, r)
Pixwin *pw;
Rect *r;
{
register struct pixwin_clipdata *pwcd = pw->pw_clipdata;
/* Refresh screen if op count has reached limit */
if (pwcd->pwcd_op_count >= pwcd->pwcd_op_limit)
(void)pw_repair_batch(pw);
/* Update op count */
pwcd->pwcd_op_count++;
/* Update batch extent */
pwcd->pwcd_batchrect = rect_bounding(r, &pwcd->pwcd_batchrect);
}
pw_reset_batch(pw)
Pixwin *pw;
{
register struct pixwin_clipdata *pwcd = pw->pw_clipdata;
/* Reset op count */
pwcd->pwcd_op_count = 0;
/* Reset op limit */
pwcd->pwcd_op_limit = 0;
/* Reset batch extent */
pwcd->pwcd_batchrect = rect_null;
/* Reset batch type */
pwcd->pwcd_batch_type = PW_NONE;
}
void
pw_set_xy_offset(pw, x_offset, y_offset)
Pixwin *pw;
int x_offset, y_offset;
{
register struct pixwin_clipdata *pwcd = pw->pw_clipdata;
Rect r;
/* Return if offset the same as currently in force */
if (pwcd->pwcd_x_offset == x_offset && pwcd->pwcd_y_offset == y_offset)
return;
/* Set offset variables */
pwcd->pwcd_x_offset = x_offset;
pwcd->pwcd_y_offset = y_offset;
/* Recompute clipping to take into account the new offsets */
(void)pw_setup_clippers(pw);
/* Fixup screen by roping from retained pixwin (if present) */
(void)win_getsize(pwcd->pwcd_windowfd, &r);
(void)pw_repair(pw, &r);
}
void
pw_set_x_offset(pw, x_offset)
Pixwin *pw;
int x_offset;
{
pw_set_xy_offset(pw, x_offset, pw_get_y_offset(pw));
}
void
pw_set_y_offset(pw, y_offset)
Pixwin *pw;
int y_offset;
{
pw_set_xy_offset(pw, pw_get_x_offset(pw), y_offset);
}
int
pw_get_x_offset(pw)
Pixwin *pw;
{
return(pw->pw_clipdata->pwcd_x_offset);
}
int
pw_get_y_offset(pw)
Pixwin *pw;
{
return(pw->pw_clipdata->pwcd_y_offset);
}