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Fixed some screen refresh bugs in EDIT. Seems okay now.

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This commit is contained in:
Bobbi Webber-Manners 2020-07-16 19:16:59 -04:00
parent a0a604458f
commit 6b9a0cf1f2
1 changed files with 33 additions and 18 deletions
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51
apps/edit.c
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@ -3,10 +3,6 @@
// Bobbi July 2020
/////////////////////////////////////////////////////////////////////////////
// TODO: We need to erase rest of screen to deal with updates where we are
// close to end of buffer. Junk was being left behind at end of screen.
// TODO: Sometimes backspacing doesn't delete chars on screen.
// TODO: update_after_delete() does do CLREOL when it should sometimes (?)
// TODO: The code doesn't check for error cases when calling gap buffer
// functions.
@ -95,6 +91,7 @@ uint8_t prompt_for_name(char *prompt, uint8_t is_file) {
char c;
cursor(0);
goto_prompt_row();
putchar(CLREOL);
printf("%c%s>", INVERSE, prompt);
i = 0;
while (1) {
@ -137,6 +134,7 @@ done:
*/
char prompt_okay(char *msg) {
char c;
cursor(0);
goto_prompt_row();
printf("%c%sSure? (y/n)", INVERSE, msg);
while (1) {
@ -150,6 +148,8 @@ char prompt_okay(char *msg) {
else
c = 0;
putchar(CLRLINE);
gotoxy(curscol, cursrow);
cursor(1);
return c;
}
@ -157,10 +157,14 @@ char prompt_okay(char *msg) {
* Error message
*/
void show_error(char *msg) {
cursor(0);
goto_prompt_row();
putchar(BELL);
printf("%c%s [Press Any Key]%c", INVERSE, msg, NORMAL);
cgetc();
putchar(CLRLINE);
gotoxy(curscol, cursrow);
cursor(1);
}
/*
@ -398,10 +402,18 @@ void draw_screen(void) {
while ((pos < BUFSZ) && (row < NROWS))
read_char_update_pos();
gotoxy(0, NROWS + 1);
goto_prompt_row();
revers(1);
printf(" ");
if (strlen(filename)) {
printf("File:%s", filename);
for (startpos = 0; startpos < 74 - strlen(filename); ++startpos)
putchar(' ');
} else {
printf(
"File:NONE ");
}
revers(0);
putchar(HOME);
gotoxy(curscol, cursrow);
cursor(1);
@ -439,14 +451,15 @@ void update_after_delete_char_right(void) {
}
// If necessary, print rest of screen
if ((gapbuf[gapend] == EOL) || (i == NCOLS - 1))
if ((gapbuf[gapend] == EOL) || (i == NCOLS - 1)) {
while ((pos < BUFSZ) && (row < NROWS))
read_char_update_pos();
// Erase the rest of the screen (if any)
for (i = row; i < NROWS; ++i) {
gotoxy(0, eol);
putchar(CLREOL);
// Erase the rest of the screen (if any)
for (i = row; i < NROWS; ++i) {
gotoxy(0, i);
putchar(CLREOL);
}
}
gotoxy(curscol, cursrow);
@ -500,14 +513,15 @@ void update_after_delete_char(void) {
}
// If necessary, print rest of screen
if ((gapbuf[gapbegin] == EOL) || (i == NCOLS - 1))
if ((gapbuf[gapbegin] == EOL) || (i == NCOLS - 1)) {
while ((pos < BUFSZ) && (row < NROWS))
read_char_update_pos();
// Erase the rest of the screen (if any)
for (i = row; i < NROWS; ++i) {
gotoxy(0, i);
putchar(CLREOL);
// Erase the rest of the screen (if any)
for (i = row; i < NROWS; ++i) {
gotoxy(0, i);
putchar(CLREOL);
}
}
gotoxy(curscol, cursrow);
@ -722,12 +736,13 @@ void load_email(void) {
/*
* Main editor routine
*/
int edit(char *filename) {
int edit(char *fname) {
char c;
uint16_t pos;
uint8_t i;
videomode(VIDEOMODE_80COL);
if (filename) {
if (fname) {
strcpy(filename, fname);
printf("Loading file %s ", filename);
if (load_file(filename)) {
sprintf(userentry, "%cCan't load %s", filename);