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cleaner implementation of do_word_wrap

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This commit is contained in:
Sascha Kruse 2012-08-18 21:45:33 +02:00
parent a9fec26148
commit 48c3df1134
1 changed files with 20 additions and 18 deletions
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38
dunst.c
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@ -365,28 +365,30 @@ void update_lists()
/* TODO get draw_txt_buf as argument */
int do_word_wrap(char *source, int max_width)
{
char *last_space = NULL;
char *cur = source;
int lines = 1;
char *eol = source;
while (True) {
if ( *eol == '\0')
return 1;
if (max_width < 1)
return 1;
if (textnw(dc, source, (eol - source) + 1) >= max_width) {
/* go back to previous space */
char *space = eol;
while (space > source && !isspace(*space))
space--;
while (*cur != '\0') {
if (isspace(*cur)) {
if (textnw(dc, source, cur - source) > max_width) {
*last_space = '\0';
lines++;
cur = last_space + 1;
source = cur;
continue;
} else {
last_space = cur;
if (space <= source) {
/* whe have a word longer than width, so we
* split mid-word. That one letter is
* collateral damage */
space = eol;
}
*space = '\0';
if (*(space + 1) == '\0')
return 1;
return 1 + do_word_wrap(space+1, max_width);
}
cur++;
eol++;
}
return lines;
}
void update_draw_txt_buf(notification * n, int max_width)
@ -581,7 +583,7 @@ void draw_win(void)
dc->x = calculate_x_offset(width, textw(dc, line));
dc->y += (line_height - font_h) / 2;
drawtext(dc, line, n->colors);
drawtextn(dc, line, strlen(line), n->colors);
dc->y += line_height - ((line_height - font_h) / 2);
}
}