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asktask
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asktask.c
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C/C++ Source or Header
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1989-07-22
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8KB
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249 lines
/* asktask.c */
/*************************************************************************
*** ASK TASK - EXAMINES EXEC TASKS ***
*** Date begun: 31/3/89. ***
*** Last modified: 2/4/89. ***
*** 23/4/89 - added line to start from WB without con: ***
*************************************************************************/
int noWBcons = 1; /* This is it! */
#include "asktask.h"
struct GfxBase *GfxBase;
struct IntuitionBase *IntuitionBase;
struct ExecBase *ExBase;
struct Window *Window;
struct NewWindow NewWindow = {
0,0,640,145,0,1,RAWKEY|MOUSEBUTTONS|CLOSEWINDOW|GADGETUP,
WINDOWDEPTH|WINDOWCLOSE|WINDOWDRAG|SMART_REFRESH|ACTIVATE,
NULL,NULL,"AskTask - JJB TEMPLAR",NULL,NULL,0,0,0,0,WBENCHSCREEN};
struct Task *task[NUM_TASKS];
char tnames[NUM_TASKS*TNAMESIZE];
char *tnp[NUM_TASKS];
int numtasks,page,ct;
char *notaskerror = "But there's no task! What are you trying to do?";
char mypri;
struct Task *me;
int mycolors;
UWORD cmap[4] = {0x000,0x455,0x999,0x600};
UWORD tmap[4];
extern struct Gadget *firstgadg;
extern void help();
extern void about();
extern void input(struct Window *,char *,char *,char *,int,int,int,int,int);
extern void rmv();
extern void kill();
extern unsigned long bitsput(char *);
extern void putbits(char *,unsigned long);
extern void prevpage();
extern void nextpage();
extern void puttname(int,int);
extern void puttasks();
extern void puttaskdata();
extern void setupwindow();
extern void putmessage(char *,int);
extern char getchfromw();
extern int yesno();
extern void setsignal();
extern void changepri();
void gettasks();
void cleanup(int);
void doclick(short,short);
void gettasks() /*====================================================*/
{
int i,j;
struct Task *tp,**th;
j = i = 0;
Disable();
th = (struct Task **)(ExBase->TaskReady.lh_Head);
tp = *th;
while (tp && (j < NUM_TASKS)) {
task[j] = tp;
strcpy(&tnames[i],tp->tc_Node.ln_Name);
tnp[j] = &tnames[i];
i += strlen(tnp[j]) + 1;
j++;
tp = (struct Task *)(tp->tc_Node.ln_Succ);
}
th = (struct Task **)(ExBase->TaskWait.lh_Head);
tp = *th;
while (tp && (j < NUM_TASKS)) {
task[j] = tp;
strcpy(&tnames[i],tp->tc_Node.ln_Name);
tnp[j] = &tnames[i];
i += strlen(tnp[j]) + 1;
j++;
tp = (struct Task *)(tp->tc_Node.ln_Succ);
}
Enable();
numtasks = j;
page = 0; ct = -1;
}
void doclick(x,y) /*==================================================*/
short x,y;
{
putmessage("",1);
if ((x >= 2) && (x <= 165)) {
if ((y < 21) || (y > 132)) return;
y -= 21;
y = (page * 14) + (y / 8);
if (y >= numtasks) return;
ct = y;
puttaskdata();
if (!tnp[y][0]) putmessage("WARNING: nameless tasks are dubious!",3);
}
else if ((x >= 168) && (x <= 471)) {
if ((y < 10) || (y > 132)) return;
puttaskdata();
}
}
void main(argc,argv) /*===============================================*/
int argc;
char *argv[];
{
struct IntuiMessage *msg,m;
struct Gadget *gp;
int event,j;
long *hook;
/* My default running priority is 15 */
mypri = 15; mycolors = 0;
j = 1;
while (j < argc) {
if (argv[j][0] == '?') {
printf("
[32m
[1m
[3mAskTask
[0m by
[33m
[42m-+- JJB TEMPLAR -+-
[0m for examining task data.\n");
printf("USAGE: %s [<-opt>]\n",argv[0]);
printf(" where opt = c - use intended (my) colors.\n");
printf(" p{n} - set asktask priority to n.\n");
printf(" NOTE: [] = optional, <> = 1 or more, {} = mandatory.\n");
exit(0);
}
if (argv[j][0] == '-') {
switch (argv[j][1]) {
case ('c'): mycolors = 1; break;
case ('p'): sscanf(&argv[j][2],"%d",&mypri); break;
default: printf("WARNING: unknown option: %s\n",&argv[j][1]);
}
}
else printf("WARNING: unknown option: %s\n",argv[j]);
j++;
}
me = (struct Task *)FindTask(NULL);
if (me->tc_Node.ln_Pri < mypri) SetTaskPri(me,mypri);
hook = (long *)0x4L;
ExBase = (struct ExecBase *)*hook;
if (!(GfxBase = (struct GfxBase *)OpenLibrary("graphics.library",0L))) {
printf("ERROR: unable to open graphics.library!\n");
cleanup(0);
}
if (!(IntuitionBase = (struct IntuitionBase *)OpenLibrary("intuition.library",0L))) {
printf("ERROR: unable to open intuition.library!\n");
cleanup(1);
}
NewWindow.FirstGadget = firstgadg;
if (!(Window = (struct Window *)OpenWindow(&NewWindow))) {
printf("ERROR: unable to open window!\n");
cleanup(2);
}
if (mycolors) {
for (j = 0; j < 4; j++)
tmap[j] = GetRGB4(Window->WScreen->ViewPort.ColorMap,j);
LoadRGB4(&(Window->WScreen->ViewPort),cmap,4);
}
setupwindow(); /* Draw boxes and things */
gettasks();
puttasks();
puttaskdata();
putmessage("Welcome to AskTask... (version dated 2/4/89)",1);
event = 1;
while (event) {
Wait(1<<Window->UserPort->mp_SigBit);
while (msg = (struct IntuiMessage *)GetMsg(Window->UserPort)) {
m = *msg;
ReplyMsg((struct Message *)msg);
switch (m.Class) {
case (CLOSEWINDOW): event = 0; break;
case (RAWKEY): switch (m.Code) {
case (0x45): event = 0; break; /* ESC */
case (0x50): gettasks(); /* F1 */
puttasks();
puttaskdata();
putmessage("[Task data refreshed]",1);
break;
case (0x51): puttaskdata(); break; /* F2 */
case (0x54): kill(); break; /* F5 */
case (0x55): rmv(); break; /* F6 */
case (0x56): setsignal(); break; /* F7 */
case (0x57): changepri(); break; /* F8 */
case (0x59): about(); break; /* F10 */
case (0x4c): prevpage(); break; /* CSR UP */
case (0x4d): nextpage(); break; /* CSR DN */
case (0x5f): help(); break; /* HELP */
}
break;
case (MOUSEBUTTONS):
if (m.Code == SELECTDOWN) doclick(m.MouseX,m.MouseY);
break;
case (GADGETUP): gp = (struct Gadget *)msg->IAddress;
switch (gp->GadgetID) {
case (G_QUIT): event = 0; break;
case (G_HELP): help(); break;
case (G_NEXTPAGE): nextpage(); break;
case (G_PREVPAGE): prevpage(); break;
case (G_SETSIG): setsignal(); break;
case (G_CHANGE_P): changepri(); break;
case (G_REF_TASK): puttaskdata(); break;
case (G_EXITTASK): kill(); break;
case (G_REMOVE): rmv(); break;
case (G_REFRESH): gettasks();
puttasks();
puttaskdata();
putmessage("[Task data refreshed]",1);
break;
}
break;
default: putmessage("Unused input!",1);
}
}
}
cleanup(ENDNORMAL);
}
void cleanup(n) /*====================================================*/
int n;
{
switch (n) {
case (3): if (mycolors) LoadRGB4(&(Window->WScreen->ViewPort),tmap,4);
CloseWindow(Window);
case (2): CloseLibrary(IntuitionBase);
case (1): CloseLibrary(GfxBase);
case (0): break;
default: printf("Error in cleanup call - parameter = %d\n",n);
}
exit(0);
}