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Handle 0 size of preview box in caller.

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This commit is contained in:
nicm
2017-07-04 12:26:14 +00:00
parent 4039802fce
commit bedf8bd437
2 changed files with 3 additions and 6 deletions
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5
mode-tree.c
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@ -445,7 +445,7 @@ void
mode_tree_draw(struct mode_tree_data *mtd)
{
struct window_pane *wp = mtd->wp;
struct screen *s = &mtd->screen, *box;
struct screen *s = &mtd->screen, *box = NULL;
struct mode_tree_line *line;
struct mode_tree_item *mti;
struct options *oo = wp->window->options;
@ -571,7 +571,8 @@ mode_tree_draw(struct mode_tree_data *mtd)
box_x = w - 4;
box_y = sy - h - 2;
box = mtd->drawcb(mtd->modedata, mti->itemdata, box_x, box_y);
if (box_x != 0 && box_y != 0)
box = mtd->drawcb(mtd->modedata, mti->itemdata, box_x, box_y);
if (box != NULL) {
screen_write_cursormove(&ctx, 2, h + 1);
screen_write_copy(&ctx, box, 0, 0, box_x, box_y, NULL, NULL);