mirror of
https://github.com/bobbimanners/emailler.git
synced 2024-11-18 21:07:03 +00:00
Fixed some screen corruption bugs. Addressed some other irritations.
This commit is contained in:
Bobbi Webber-Manners
parent
b2b1a03dec
commit
4a920c5bbc
68
apps/edit.c
68
apps/edit.c
@ -6,8 +6,8 @@
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// Note use my fork of cc65 to get a flashing cursor!!
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// TODO: Improve status line, refresh it properly
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// TODO: Still some lingering screen update bugs (prob after status line)
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// TODO: Should be smarter about redrawing in when updating selection!!!
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// TODO: Minor bug - can delete more chars from status line than should be able to
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// TODO: Should be smarter about redrawing when updating selection!!!
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// TODO: Doesn't check for error cases when calling gap buffer functions
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// TODO: Make use of aux mem
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@ -22,7 +22,7 @@
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#define NCOLS 80 // Width of editing screen
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#define NROWS 22 // Height of editing screen
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#define CURSORROW 10 // Row cursor is initially shown on (if enough text)
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#define PROMPT_ROW NROWS + 2 // Row where input prompt is shown
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#define PROMPT_ROW NROWS + 1 // Row where input prompt is shown
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#define EOL '\r' // For ProDOS
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@ -96,8 +96,9 @@ char openapple[] = "\x0f\x1b""A\x18\x0e";
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void goto_prompt_row(void) {
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uint8_t i;
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putchar(HOME);
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for (i = 0; i < PROMPT_ROW - 1; ++i)
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for (i = 0; i < PROMPT_ROW; ++i)
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putchar(CURDOWN);
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gotoxy(1, PROMPT_ROW);
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}
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#pragma code-name (pop)
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@ -116,6 +117,7 @@ uint8_t prompt_for_name(char *prompt, uint8_t is_file) {
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goto_prompt_row();
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putchar(CLREOL);
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printf("%c%s>%c", INVERSE, prompt, NORMAL);
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gotox(2 + strlen(prompt));
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i = 0;
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while (1) {
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c = cgetc();
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@ -130,9 +132,9 @@ uint8_t prompt_for_name(char *prompt, uint8_t is_file) {
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case BACKSPACE:
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case DELETE:
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if (i > 0) {
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putchar(BACKSPACE);
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putchar(' ');
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putchar(BACKSPACE);
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gotox(wherex() - 1);
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cputc(' ');
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gotox(wherex() - 1);
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--i;
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} else
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putchar(BELL);
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@ -142,7 +144,7 @@ uint8_t prompt_for_name(char *prompt, uint8_t is_file) {
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i = 255;
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goto esc_pressed;
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default:
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putchar(c);
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cputc(c);
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userentry[i++] = c;
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}
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if (i == 79)
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@ -305,6 +307,7 @@ uint8_t load_file(char *filename) {
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FILE *fp = fopen(filename, "r");
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if (!fp)
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return 1;
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goto_prompt_row();
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gapbegin = 0;
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gapend = BUFSZ - 1;
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col = 0;
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@ -332,7 +335,7 @@ uint8_t load_file(char *filename) {
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return 0;
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}
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if ((gapbegin % 1000) == 0)
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putchar('.');
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cputc('.');
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}
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--gapbegin; // Eat EOF character
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fclose(fp);
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@ -345,19 +348,23 @@ uint8_t load_file(char *filename) {
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* filename - name of file to load
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* Returns 0 on success
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* 1 if file can't be opened
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* 2 gapbuf is corrupt
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*/
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#pragma code-name (push, "LC")
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uint8_t save_file(char *filename) {
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char c;
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uint16_t p = gapbegin;
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FILE *fp = fopen(filename, "w");
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if (!fp)
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return 1;
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if (jump_pos(0))
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return 2;
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while (get_char(&c) == 0)
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jump_pos(0);
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goto_prompt_row();
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while (get_char(&c) == 0) {
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fputc(c, fp);
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if ((gapbegin % 1000) == 0)
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cputc('.');
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}
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fclose(fp);
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jump_pos(p);
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return 0;
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}
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#pragma code-name (pop)
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@ -390,7 +397,7 @@ uint8_t read_char_update_pos(void) {
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return 1;
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}
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if (do_print)
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putchar(c);
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cputc(c);
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++col;
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if (do_print)
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rowlen[row] = col;
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@ -464,17 +471,17 @@ void draw_screen(void) {
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read_char_update_pos();
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goto_prompt_row();
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printf("%s-? Help ", openapple);
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gotox(10);
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revers(1);
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if (strlen(filename)) {
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printf("%c File:%s", modified ? '*' : ' ', filename);
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for (startpos = 0; startpos < 64 - strlen(filename); ++startpos)
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putchar(' ');
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cprintf(" %c File:%s", modified ? '*' : ' ', filename);
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for (startpos = 0; startpos < 62 - strlen(filename); ++startpos)
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cputc(' ');
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} else {
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printf(
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"File:NONE ");
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cprintf(
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" File:NONE ");
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}
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printf("%s-? Help", openapple);
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putchar(HOME);
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gotoxy(curscol, cursrow);
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cursor(1);
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@ -548,7 +555,9 @@ void update_after_delete_char(void) {
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}
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} else {
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// Erase char to left of cursor & update row, col
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putchar(BACKSPACE);
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gotox(wherex() - 1);
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cputc(' ');
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gotox(wherex() - 1);
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if (col > 0)
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--col;
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else {
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@ -609,6 +618,7 @@ void update_after_insert_char(void) {
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curscol = col;
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cursrow = row;
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gotoxy(curscol, cursrow);
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if (cursrow == NROWS) {
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scroll_down();
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@ -793,32 +803,29 @@ void word_right(void) {
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/*
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* Jump forward 15 screen lines
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*/
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#pragma code-name (push, "LC")
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void page_down(void) {
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uint8_t i;
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for (i = 0; i < 15; ++i)
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if (cursor_down() == 1)
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break;
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}
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#pragma code-name (pop)
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/*
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* Jump back 15 screen lines
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*/
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#pragma code-name (push, "LC")
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void page_up(void) {
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uint8_t i;
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for (i = 0; i < 15; ++i)
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if (cursor_up() == 1)
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break;
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}
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#pragma code-name (pop)
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/*
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* Help screen
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*/
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#pragma code-name (push, "LC")
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void help(void) {
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revers(0);
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cursor(0);
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clrscr();
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printf("EDITOR HELP\n\n");
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@ -831,9 +838,9 @@ void help(void) {
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printf(" %s-Q Quit\n", openapple);
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printf(" %s-R Replace string\n", openapple);
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printf(" %s-S Save file\n", openapple);
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printf(" [Return] Mark end of paragraph\n");
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printf(" [Delete] Delete character left\n");
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printf(" %s-[Delete] Delete character right\n", openapple);
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printf(" [Return] End paragraph\n");
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printf(" [Delete] Delete char left\n");
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printf(" %s-[Delete] Delete char right\n", openapple);
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printf(" Arrows Move the cursor\n");
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printf(" %s-Up arrow Page up\n", openapple);
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printf(" %s-Down arrow Page down\n", openapple);
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@ -895,7 +902,7 @@ int edit(char *fname) {
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videomode(VIDEOMODE_80COL);
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if (fname) {
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strcpy(filename, fname);
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printf("Loading file %s ", filename);
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cprintf("Loading file %s ", filename);
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if (load_file(filename)) {
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sprintf(userentry, "Can't load %s", filename);
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show_error(userentry);
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@ -1122,6 +1129,7 @@ int edit(char *fname) {
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case 0x80 + 'S': // OA-S "Save"
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case 0x80 + 's': // OA-s
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save();
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draw_screen();
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break;
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case 0x80 + DELETE: // OA-Backspace
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case 0x04: // Ctrl-D "DELETE"
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