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Improvements to email pager (almost usable now!)

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This commit is contained in:
Bobbi Webber-Manners 2020-06-24 23:08:40 -04:00
parent 4f35b52c2b
commit 48912b1389
1 changed files with 71 additions and 18 deletions
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89
apps/email.c
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@ -10,10 +10,7 @@
#include <conio.h>
#include <string.h>
#define LINEBUFSZ 1000
#define READSZ 1024
static unsigned char buf[READSZ];
static char linebuf[LINEBUFSZ];
#define SCROLLBACK 25*80
char filename[80];
FILE *fp;
@ -183,17 +180,21 @@ void update_highlighted(void) {
* Display email with simple pager functionality
*/
void email_pager(void) {
uint16_t pos = 0;
uint32_t pos = 0;
struct emailhdrs *h = get_headers(selection);
uint8_t line;
uint8_t line, eof;
char c;
clrscr();
sprintf(filename, "%s/EMAIL.%u", cfg_inboxdir, selection);
fp = fopen(filename, "rb");
if (!fp) {
printf("Can't open %s\n", filename);
goto done;
printf("[Press any key]");
cgetc();
return;
}
restart:
clrscr();
line = 6;
fputs("Date: ", stdout);
printfield(h->date, 0, 70);
@ -209,35 +210,86 @@ void email_pager(void) {
fputs("\nSubject: ", stdout);
printfield(h->subject, 0, 70);
fputs("\n\n", stdout);
while (!feof(fp)) {
while (1) {
c = fgetc(fp);
++pos;
putchar(c);
eof = feof(fp);
if (!eof) {
putchar(c);
++pos;
}
if (c == '\r') {
++line;
if (line == 22) {
putchar(0x0f); // INVERSE
printf("[q)uit | SPACE continue reading");
printf("[%05lu] SPACE continue reading | B)ack | T)op | Q)uit", pos);
putchar(0x0e); // NORMAL
retry1:
c = cgetc();
switch (c) {
case ' ':
break;
case 'B':
case 'b':
if (pos < (uint32_t)(SCROLLBACK)) {
pos = 0;
fseek(fp, pos, SEEK_SET);
goto restart;
} else {
pos -= (uint32_t)(SCROLLBACK);
fseek(fp, pos, SEEK_SET);
}
break;
case 'T':
case 't':
pos = 0;
fseek(fp, pos, SEEK_SET);
goto restart;
break;
case 'Q':
case 'q':
fclose(fp);
return;
default:
putchar(7); // BELL
goto retry1;
}
clrscr();
line = 0;
}
} else if (eof) {
putchar(0x0f); // INVERSE
printf("[%05lu] *** END *** | B)ack | T)op | Q)uit", pos);
putchar(0x0e); // NORMAL
retry2:
c = cgetc();
switch (c) {
case 'B':
case 'b':
if (pos < (uint32_t)(SCROLLBACK)) {
pos = 0;
fseek(fp, pos, SEEK_SET);
goto restart;
} else {
pos -= (uint32_t)(SCROLLBACK);
fseek(fp, pos, SEEK_SET);
}
break;
case 'T':
case 't':
pos = 0;
fseek(fp, pos, SEEK_SET);
goto restart;
break;
case 'Q':
case 'q':
fclose(fp);
return;
default:
putchar(7); // BELL
goto retry2;
}
}
}
fclose(fp);
done:
putchar('\n');
putchar(0x0f); // INVERSE
printf("[Press any key]");
putchar(0x0e); // NORMAL
cgetc();
}
/*
@ -266,6 +318,7 @@ void keyboard_hdlr(void) {
}
break;
case 0x0d: // RETURN
case ' ':
email_pager();
email_summary();
break;