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Check for events during raw drawing based on time, rather than every 16 lines.

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This avoids situations where the system may seem unresponsive for some time (primarily, I think, due to network processing being relatively slow).
This commit is contained in:
Stephen Heumann 2016-09-29 20:16:18 -05:00
parent a11e065a35
commit 1e7b5a13fe
1 changed files with 8 additions and 3 deletions
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11
raw.cc
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@ -27,6 +27,8 @@ segment "VNCview GS";
#include "readtcp.h" #include "readtcp.h"
#include "raw.h" #include "raw.h"
#define EVENT_CHECK_INVERVAL 10 /* tick count between event checks */
/* Data on state of raw rectangle drawing routines */ /* Data on state of raw rectangle drawing routines */
static unsigned int lineBytes; /* Number of bytes in a line of GS pixels */ static unsigned int lineBytes; /* Number of bytes in a line of GS pixels */
static unsigned long pixels; static unsigned long pixels;
@ -68,11 +70,13 @@ void RawDraw (void) {
unsigned int i; /* Loop indices */ unsigned int i; /* Loop indices */
unsigned char *initialLineDataPtr; unsigned char *initialLineDataPtr;
unsigned char *finalDestPtr; unsigned char *finalDestPtr;
static EventRecord unusedEventRec; static EventRecord eventRec;
unsigned long eventCheckTime;
/* For use with GetContentOrigin() */ /* For use with GetContentOrigin() */
Origin contentOrigin; Origin contentOrigin;
eventCheckTime = TickCount() + EVENT_CHECK_INVERVAL;
SetPort(vncWindow); /* Drawing in VNC window */ SetPort(vncWindow); /* Drawing in VNC window */
#if 0 #if 0
@ -182,10 +186,11 @@ void RawDraw (void) {
* instead processing the minimum necessary periodic tasks and then * instead processing the minimum necessary periodic tasks and then
* going straight to the next line of data. * going straight to the next line of data.
*/ */
if (!(drawingLine & 15)) { if (TickCount() >= eventCheckTime) {
if (EventAvail(0xFFFF, &unusedEventRec)) if (EventAvail(0xFFFF, &eventRec))
return; return;
SystemTask(); /* Let periodic Desk Accesories do their things */ SystemTask(); /* Let periodic Desk Accesories do their things */
eventCheckTime = eventRec.when + EVENT_CHECK_INVERVAL;
} }
TCPIPPoll(); /* Let Marinetti keep processing data */ TCPIPPoll(); /* Let Marinetti keep processing data */
} while (1); } while (1);