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Fixed a screen update bug in EDIT when deleting char on last line of file

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This commit is contained in:
Bobbi Webber-Manners 2020-07-31 00:16:12 -04:00
parent 769be4a11a
commit 61c8763ff4
2 changed files with 20 additions and 3 deletions
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21
apps/edit.c
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@ -6,7 +6,7 @@
// Note use my fork of cc65 to get a flashing cursor!!
// TODO: Improve status line, refresh it properly
// TODO: Minor bug - can delete more chars from status line than should be able to
// TODO: Minor bug - can delete too many chars from status line
// TODO: Should be smarter about redrawing when updating selection!!!
// TODO: Doesn't check for error cases when calling gap buffer functions
// TODO: Make use of aux mem
@ -41,7 +41,7 @@
#define CLREOL 0x1d
#define DELETE 0x7f
#define BUFSZ (20 * 1024)
#define BUFSZ (39 * 512)
char gapbuf[BUFSZ];
char padding = 0; // To null terminate for strstr()
uint16_t gapbegin = 0;
@ -510,6 +510,19 @@ void scroll_down() {
draw_screen();
}
/*
* Returns 1 if current position in gap buffer is on the last line of
* the file (ie: no following CR), 0 otherwise
*/
uint8_t is_last_line(void) {
uint16_t p = gapend + 1;
while (p < BUFSZ) {
if (gapbuf[p++] == '\r')
return 0;
}
return 1;
}
/*
* Update screen after delete_char_right()
*/
@ -526,6 +539,8 @@ void update_after_delete_char_right(void) {
i = col;
eol = read_char_update_pos();
}
if (is_last_line())
putchar(CLREOL);
// If necessary, print rest of screen
if ((gapbuf[gapend] == EOL) || (i == NCOLS - 1)) {
@ -592,6 +607,8 @@ void update_after_delete_char(void) {
i = col;
eol = read_char_update_pos();
}
if (is_last_line())
putchar(CLREOL);
// If necessary, print rest of screen
if ((gapbuf[gapbegin] == EOL) || (i == NCOLS - 1)) {

2
apps/email_common.h
View File

@ -4,7 +4,7 @@
// Bobbi June 2020
/////////////////////////////////////////////////////////////////
#define PROGNAME "emai//er v0.91"
#define PROGNAME "emai//er v0.92"
// Configuration params from POP65.CFG
char cfg_server[40]; // IP of POP3 server