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authorColona <colona@ycc.fr>2014-06-05 06:32:01 +0200
committerRoberto E. Vargas Caballero <k0ga@shike2.com>2014-06-05 21:14:45 +0200
commit5159d55c631cd1179bd2f872859d4540668745b9 (patch)
treec4c051fe3a3f26452b01b786d0906357ed813fca
parent6fd887077e29efd789499e06193314d7abdcac38 (diff)
downloadst-5159d55c631cd1179bd2f872859d4540668745b9.tar.gz
Refactor selsnap SNAP_WORD.
Refactor the SNAP_WORD part in selsnap, and fix a bug that caused the word delimiters to be ignored if it was at the very beginning or end of a wrapped line. Signed-off-by: Roberto E. Vargas Caballero <k0ga@shike2.com>
-rw-r--r--st.c44
1 files changed, 21 insertions, 23 deletions
diff --git a/st.c b/st.c
index 8b65450..13226d8 100644
--- a/st.c
+++ b/st.c
@@ -703,6 +703,9 @@ selected(int x, int y) {
void
selsnap(int mode, int *x, int *y, int direction) {
+ int newx, newy, xt, yt;
+ Glyph *gp;
+
switch(mode) {
case SNAP_WORD:
/*
@@ -710,36 +713,31 @@ selsnap(int mode, int *x, int *y, int direction) {
* beginning of a line.
*/
for(;;) {
- if(direction < 0 && *x <= 0) {
- if(*y > 0 && term.line[*y - 1][term.col-1].mode
- & ATTR_WRAP) {
- *y -= 1;
- *x = term.col-1;
- } else {
+ newx = *x + direction;
+ newy = *y;
+ if(!BETWEEN(newx, 0, term.col - 1)) {
+ newy += direction;
+ newx = (newx + term.col) % term.col;
+ if (!BETWEEN(newy, 0, term.row - 1))
break;
- }
- }
- if(direction > 0 && *x >= term.col-1) {
- if(*y < term.row-1 && term.line[*y][*x].mode
- & ATTR_WRAP) {
- *y += 1;
- *x = 0;
- } else {
+
+ if(direction > 0)
+ yt = *y, xt = *x;
+ else
+ yt = newy, xt = newx;
+ if(!(term.line[yt][xt].mode & ATTR_WRAP))
break;
- }
}
- if(term.line[*y][*x+direction].mode & ATTR_WDUMMY) {
- *x += direction;
- continue;
- }
+ if (newx >= tlinelen(newy))
+ break;
- if(*x >= tlinelen(*y) || strchr(worddelimiters,
- term.line[*y][*x+direction].c[0])) {
+ gp = &term.line[newy][newx];
+ if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
break;
- }
- *x += direction;
+ *x = newx;
+ *y = newy;
}
break;
case SNAP_LINE: