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Improve rendering logic

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Night Kaly 2024-11-12 02:39:51 +00:00
parent 71312ab340
commit cca7880c49
Signed by: night0721
SSH key fingerprint: SHA256:B/hgVwUoBpx5vdNsXl9w8XwZljA9766uk6T4ubZp5HM
1 changed files with 52 additions and 80 deletions
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128
vip.c
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@ -25,7 +25,6 @@ editor_t *cur_editor;
void draw_status_bar(void);
void refresh_screen(void);
void draw_rows(void);
void move_xy(int key);
void insert_char(int c);
void insert_new_line(void);
@ -44,7 +43,6 @@ void del_row(int at);
char *export_buffer(int *buflen);
int is_separator(int c);
void update_highlight(row_t *row);
char *syntax_to_color(int hl, size_t *len);
void select_syntax(void);
void die(const char *s);
void cleanup(void);
@ -580,31 +578,64 @@ void draw_rows(void)
char *c = &cur_editor->row[filerow].render[cur_editor->coloff];
unsigned char *hl = &cur_editor->row[filerow].hl[cur_editor->coloff];
char *current_color = malloc(COLOR_LEN * 2);
for (int j = 0; j < len; j++) {
if (iscntrl(c[j])) {
bprintf("\033[7m^%c\033[m", '@' + c[j]);
if (strncmp(current_color, WHITE_BG, COLOR_LEN)) {
bprintf(current_color);
}
bprintf("%s%c\033[m", OVERLAY_2_BG, '@' + c[j]);
} else if (hl[j] == NORMAL) {
if (strncmp(current_color, WHITE_BG, COLOR_LEN)) {
memcpy(current_color, WHITE_BG, COLOR_LEN);
bprintf("%s%c", WHITE_BG, c[j]);
} else {
switch (hl[j]) {
case NUMBER:
bprintf(PEACH_BG);
break;
case STRING:
bprintf(GREEN_BG);
break;
case SYMBOL:
bprintf(SKY_BG);
break;
case COMMENT:
case MLCOMMENT:
bprintf("\033[3m");
bprintf(OVERLAY_2_BG);
bprintf("\033[23m");
break;
case KW:
bprintf(MAUVE_BG);
break;
case KW_TYPE:
bprintf(YELLOW_BG);
break;
case KW_FN:
bprintf(BLUE_BG);
break;
case KW_BRACKET:
bprintf(RED_BG);
break;
case MATCH:
bprintf(BLACK_BG);
bprintf(SKY_FG);
break;
case RESET:
bprintf(BLACK_BG);
bprintf(SKY_FG);
break;
default:
bprintf(WHITE_BG);
}
bprintf("%c", c[j]);
} else {
size_t len;
char *color = syntax_to_color(hl[j], &len);
if (strncmp(current_color, color, len)) {
memcpy(current_color, color, len);
bprintf(color);
}
free(color);
bprintf("%c", c[j]);
}
}
free(current_color);
bprintf(WHITE_BG);
}
@ -869,65 +900,6 @@ void update_highlight(row_t *row)
update_highlight(&cur_editor->row[row->idx + 1]);
}
char *syntax_to_color(int hl, size_t *len)
{
switch (hl) {
case NUMBER:
*len = COLOR_LEN;
return strdup(PEACH_BG);
case STRING:
*len = COLOR_LEN;
return strdup(GREEN_BG);
case SYMBOL:
*len = COLOR_LEN;
return strdup(SKY_BG);
case COMMENT:;
case MLCOMMENT:;
/*
char *color = malloc(COLOR_LEN * 2 + 1);
snprintf(color, COLOR_LEN * 2 + 1, "\033[3m%s\033[23m", OVERLAY_2_BG);
*len = COLOR_LEN * 2;
return color;*/
*len = COLOR_LEN;
return strdup(OVERLAY_2_BG);
case KW:
*len = COLOR_LEN;
return strdup(MAUVE_BG);
case KW_TYPE:
*len = COLOR_LEN;
return strdup(YELLOW_BG);
case KW_FN:
*len = COLOR_LEN;
return strdup(BLUE_BG);
case KW_BRACKET:
*len = COLOR_LEN;
return strdup(RED_BG);
case MATCH:;
char *str = malloc(COLOR_LEN * 2 + 1);
snprintf(str, COLOR_LEN * 2 + 1, "%s%s", BLACK_BG, SKY_FG);
*len = COLOR_LEN * 2;
return str;
case RESET:;
char *res = malloc(COLOR_LEN * 2 + 1);
snprintf(res, COLOR_LEN * 2 + 1, "%s%s", WHITE_BG, BLACK_FG);
*len = COLOR_LEN * 2;
return res;
default:
*len = COLOR_LEN;
return strdup(WHITE_BG);
}
}
void select_syntax(void)
{
if (strlen(cur_editor->filename) == 0) return;