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Added modified flag and chance to save unsaved changes on exit

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Bobbi Webber-Manners 2020-07-18 01:45:36 -04:00
parent 0e3e7ee449
commit bc58e3689f
1 changed files with 34 additions and 10 deletions
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44
apps/edit.c
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@ -5,8 +5,7 @@
// TODO: Bug when copying or moving text to earlier in doc
// TODO: Add OA-R "Replace" command
// TODO: Add 'modified' flag and warning if quit with unsaved changes
// TODO: Add 'Rename' command (OA-N ?)
// TODO: Add 'Rename' command (OA-N ?) Do we need the existing clear now?
// TODO: Should be smarter about redrawing in when updating selection!!!
// TODO: Doesn't check for error cases when calling gap buffer functions
// TODO: Make use of 3K LC memory to allow bigger buffer. Aux mem???
@ -55,7 +54,7 @@ char userentry[80] = "";
char search[80] = "";
// Interface to read_char_update_pos()
uint8_t do_print;
uint8_t do_print, modified;
uint16_t pos, startsel, endsel;
uint8_t row, col;
@ -440,8 +439,8 @@ void draw_screen(void) {
goto_prompt_row();
revers(1);
if (strlen(filename)) {
printf("File:%s", filename);
for (startpos = 0; startpos < 66 - strlen(filename); ++startpos)
printf("%c File:%s", modified ? '*' : ' ', filename);
for (startpos = 0; startpos < 64 - strlen(filename); ++startpos)
putchar(' ');
} else {
printf(
@ -812,6 +811,19 @@ void load_email(void) {
}
#pragma code-name (pop)
/*
* Save file to disk, handle user interface
*/
void save(void) {
if (save_file(filename)) {
sprintf(userentry, "%cCan't save %s", filename);
show_error(userentry);
draw_screen();
} else {
modified = 0;
}
}
/*
* Main editor routine
*/
@ -830,6 +842,7 @@ int edit(char *fname) {
}
jump_pos(0);
pos = 0;
modified = 0;
startsel = endsel = 65535U;
mode = SEL_NONE;
draw_screen();
@ -940,6 +953,7 @@ int edit(char *fname) {
break;
if (!prompt_okay("Repeat - "))
break;
cursor_right();
}
p = strstr(gapbuf + gapend + 1, search);
if (!p) {
@ -969,6 +983,7 @@ int edit(char *fname) {
}
jump_pos(0);
pos = 0;
modified = 0;
startsel = endsel = 65535U;
mode = SEL_NONE;
draw_screen();
@ -986,6 +1001,7 @@ int edit(char *fname) {
gapbegin = 0;
gapend = BUFSZ - 1;
jump_pos(0);
modified = 0;
pos = 0;
startsel = endsel = 65535U;
mode = SEL_NONE;
@ -994,6 +1010,11 @@ int edit(char *fname) {
break;
case 0x80 + 'Q': // OA-Q "Quit"
case 0x80 + 'q': // OA-q
if (modified) {
sprintf(userentry, "Save unsaved changes to %s - ", filename);
if (prompt_okay(userentry))
save();
}
if (quit_to_email) {
if (prompt_okay("Quit to EMAIL - "))
load_email();
@ -1011,17 +1032,14 @@ int edit(char *fname) {
break;
case 0x80 + 'S': // OA-S "Save"
case 0x80 + 's': // OA-s
if (save_file(filename)) {
sprintf(userentry, "%cCan't save %s", filename);
show_error(userentry);
draw_screen();
}
save();
break;
case 0x80 + DELETE: // OA-Backspace
case 0x04: // Ctrl-D "DELETE"
if (mode == SEL_NONE) {
delete_char_right();
update_after_delete_char_right();
modified = 1;
}
break;
case 0x80 + '?': // OA-? "Help"
@ -1035,6 +1053,7 @@ int edit(char *fname) {
if (mode == SEL_NONE) {
delete_char();
update_after_delete_char();
modified = 1;
}
break;
case 0x09: // Tab
@ -1044,6 +1063,7 @@ int edit(char *fname) {
insert_char(' ');
update_after_insert_char();
}
modified = 1;
}
break;
case 0x08: // Left
@ -1078,6 +1098,7 @@ int edit(char *fname) {
if (mode == SEL_NONE) {
insert_char(c);
update_after_insert_char();
modified = 1;
} else {
if (startsel > endsel) {
tmp = endsel;
@ -1092,6 +1113,7 @@ int edit(char *fname) {
}
startsel = endsel = 65535U;
mode = SEL_NONE;
modified = 1;
draw_screen();
break;
case SEL_COPY:
@ -1128,6 +1150,7 @@ int edit(char *fname) {
copymove2_cleanup:
startsel = endsel = 65535U;
mode = SEL_NONE;
modified = 1;
draw_screen();
break;
}
@ -1138,6 +1161,7 @@ copymove2_cleanup:
if ((c >= 0x20) && (c < 0x80)) {
insert_char(c);
update_after_insert_char();
modified = 1;
}
}
}