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Fix selection behaviour when the cursor is moved backwards (ie so the selection

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start is after the end).
This commit is contained in:
Nicholas Marriott 2010-01-03 17:12:04 +00:00
parent 7e4f8b45b6
commit 739b937b74
1 changed files with 23 additions and 3 deletions
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26
screen.c
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@ -234,11 +234,31 @@ screen_set_selection(struct screen *s,
struct screen_sel *sel = &s->sel;
memcpy(&sel->cell, gc, sizeof sel->cell);
sel->flag = 1;
if (ey < sy || (sy == ey && ex < sx)) {
/* starting line < ending line -- downward selection. */
if (sy < ey) {
sel->sx = sx; sel->sy = sy;
sel->ex = ex; sel->ey = ey;
return;
}
/* starting line > ending line -- upward selection. */
if (sy > ey) {
if (sx > 0) {
sel->sx = ex; sel->sy = ey;
sel->ex = sx - 1; sel->ey = sy;
} else {
sel->sx = ex; sel->sy = ey;
sel->ex = -1; sel->ey = sy - 1;
}
return;
}
/* starting line == ending line. */
if (ex < sx) {
sel->sx = ex; sel->sy = ey;
sel->ex = sx; sel->ey = sy;
sel->ex = sx - 1; sel->ey = sy;
} else {
sel->sx = sx; sel->sy = sy;
sel->ex = ex; sel->ey = ey;