Changeset b8742ba for viewwin.c

Timestamp:

Sep 18, 2010, 5:07:39 PM (14 years ago)

Author:

David Benjamin <davidben@mit.edu>

Branches:

master, release-1.10, release-1.7, release-1.8, release-1.9

Children:

2640b63

Parents:

9116936

git-author:

David Benjamin <davidben@mit.edu> (08/01/10 13:28:02)

git-committer:

David Benjamin <davidben@mit.edu> (09/18/10 17:07:39)

Message:

Add half an implementation of owl_viewwin_search

File:

• viewwin.c (modified) (1 diff)

viewwin.c

@@ -197 +197 @@
 }
 
+/* Scroll in 'direction' to the next line containing 're' in 'v',
+ * starting from the current line. Returns 0 if no occurrence is
+ * found.
+ *
+ * If mode==0 then stay on the current line if it matches.
+ */
+int owl_viewwin_search(owl_viewwin *v, const owl_regex *re, int mode, int direction)
+{
+  int start, end, offset;
+  owl_fmtext_line_extents(&v->fmtext, v->topline, &start, &end);
+  if (direction == OWL_DIRECTION_DOWNWARDS) {
+    offset = owl_fmtext_search(&v->fmtext, re, mode ? end : start);
+    if (offset < 0)
+      return 0;
+    v->topline = owl_fmtext_line_number(&v->fmtext, offset);
+    owl_viewwin_dirty(v);
+    return 1;
+  } else {
+    /* FIXME */
+    owl_function_error("Upwards searching is not implemented in viewwin.");
+    return 1;
+  }
+}
+
 void owl_viewwin_delete(owl_viewwin *v)
 {