patch 8.1.1789: cannot see file name of preview popup window
Problem: Cannot see file name of preview popup window.
Solution: Add the file name as the title.
diff --git a/src/popupwin.c b/src/popupwin.c
index 9a39693..4ca6d9f 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -3198,4 +3198,41 @@
}
}
+/*
+ * Set the title of the popup window to the file name.
+ */
+ void
+popup_set_title(win_T *wp)
+{
+ if (wp->w_buffer->b_fname != NULL)
+ {
+ char_u dirname[MAXPATHL];
+ size_t len;
+
+ mch_dirname(dirname, MAXPATHL);
+ shorten_buf_fname(wp->w_buffer, dirname, FALSE);
+
+ vim_free(wp->w_popup_title);
+ len = STRLEN(wp->w_buffer->b_fname) + 3;
+ wp->w_popup_title = alloc((int)len);
+ if (wp->w_popup_title != NULL)
+ vim_snprintf((char *)wp->w_popup_title, len, " %s ",
+ wp->w_buffer->b_fname);
+ redraw_win_later(wp, VALID);
+ }
+}
+
+/*
+ * If there is a preview window, update the title.
+ * Used after changing directory.
+ */
+ void
+popup_update_preview_title(void)
+{
+ win_T *wp = popup_find_preview_window();
+
+ if (wp != NULL)
+ popup_set_title(wp);
+}
+
#endif // FEAT_TEXT_PROP