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Atari Mega Archive 1
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Atari Mega Archive - Volume 1.iso
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gnu
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progutil
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stdwin.zoo
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alfa
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syswin.c
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C/C++ Source or Header
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1989-10-18
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177 lines
/* STDWIN -- SYTEM WINDOW. */
#include "alfa.h"
WINDOW *syswin; /* Window id 0, the system window */
/* Global because wgetevent needs to know about
it, so it can suppress events belonging to
this window. */
static void
helpmessage()
{
char buf[256];
char shortcut[256];
getbindings(shortcut, 0, MENU_CALL);
sprintf(buf, "[Use %s to get a menu of commands]", shortcut);
wmessage(buf);
}
void
initsyswin()
{
syswin= wopen("System", wsysdraw);
helpmessage();
}
char *sysmsg; /* Message to be drawn at (0, 0) */
TEXTEDIT *syste; /* Textedit record to be drawn, too */
/*ARGSUSED*/
static void
wsysdraw(win, left, top, right, bottom)
WINDOW *win;
int left, top;
int right, bottom;
{
if (sysmsg != NULL) {
(void) wdrawtext(0, 0, sysmsg, -1);
if (syste != NULL)
tedraw(syste);
}
else
drawmenubar();
}
void
menubarchanged()
{
uptodate[0]= FALSE;
}
/* Print a message in the system window.
If the message is non-null, the screen is updated immediately. */
void
wmessage(str)
char *str;
{
if (sysmsg != NULL)
free(sysmsg);
sysmsg= strdup(str);
if (syste != NULL) {
tefree(syste);
syste= NULL;
}
wchange(syswin, 0, 0, 9999, 9999);
wnocaret(syswin);
if (str != NULL) {
wupdate(syswin);
wflush();
}
}
/* Ask for an input string. */
bool
waskstr(prompt, buf, len)
char *prompt;
char *buf;
int len;
{
WINDOW *savewin= front;
WINDOW *win= syswin;
bool ok= FALSE;
bool stop= FALSE;
int teleft;
wsetactive(win);
wmessage((char *) NULL);
sysmsg= prompt;
teleft= wtextwidth(prompt, -1) + wtextwidth(" ", 1);
if (teleft > columns * 3/4)
teleft= columns * 3/4;
syste= tealloc(syswin, teleft, 0, columns-teleft);
tereplace(syste, buf);
tesetfocus(syste, 0, 9999);
do {
EVENT e;
if (!wsysevent(&e, FALSE)) {
wupdate(syswin);
wflush();
wsysevent(&e, TRUE);
}
e.window= syswin; /* Not filled in by wsys*event();
needed by teevent(). */
switch (e.type) {
case WE_MENU:
if (e.u.m.id != 0) {
wfleep();
break;
}
switch (e.u.m.item) {
case SUSPEND_PROC:
_wsuspend();
break;
case REDRAW_SCREEN:
_wredraw();
break;
case LITERAL_NEXT:
_wlitnext(&e);
goto char_case;
default:
if (e.u.m.item >= FIRST_CMD &&
e.u.m.item <= LAST_CMD)
wsyscommand(&e);
break;
}
if (e.type != WE_COMMAND)
break;
/* Fall through from previous case! */
case WE_COMMAND:
switch (e.u.command) {
case WC_RETURN:
case WC_CANCEL:
ok= e.u.command == WC_RETURN;
stop= TRUE;
break;
default:
if (!teevent(syste, &e))
wfleep();
break;
}
break;
char_case: /* Jump here from LITERAL_NEXT menu case */
case WE_CHAR:
case WE_MOUSE_DOWN:
case WE_MOUSE_MOVE:
case WE_MOUSE_UP:
if (!teevent(syste, &e))
wfleep();
break;
}
} while (!stop);
if (ok) {
strncpy(buf, tegettext(syste), (size_t)len);
buf[len-1]= EOS;
}
sysmsg= NULL;
wmessage((char *) NULL);
wsetactive(savewin);
return ok;
}