Highlight troublesome frames

3 files changed, 14 insertions, 0 deletions

diff --git a/src/frame.h b/src/frame.h
index 1535761..2645060 100644
--- a/src/frame.h
+++ b/src/frame.h
@@ -106,6 +106,9 @@ struct frame
 
 	/* True if the aspect ratio of this frame should be maintained */
 	int                       is_image;
+
+	/* True if wrapping failed for this box */
+	int                       trouble;
 };
 
 
diff --git a/src/render.c b/src/render.c
index 594bed0..d0a3696 100644
--- a/src/render.c
+++ b/src/render.c
@@ -309,6 +309,15 @@ static int render_sc(cairo_t *cr, struct frame *fr, ImageStore *is,
 		return 1;
 	}
 
+	if ( fr->trouble ) {
+		cairo_new_path(cr);
+		cairo_rectangle(cr, 0.0, 0.0, fr->w, fr->h);
+		cairo_set_source_rgb(cr, 1.0, 0.0, 0.0);
+		cairo_set_line_width(cr, 2.0);
+		cairo_stroke(cr);
+		printf("SC: '%s'\n", fr->sc);
+	}
+
 	/* Actually render the lines */
 	cairo_translate(cr, fr->lop.pad_l, fr->lop.pad_t);
 	render_lines(fr, cr, is, isz);
diff --git a/src/wrap.c b/src/wrap.c
index 9f88001..8c7b7cc 100644
--- a/src/wrap.c
+++ b/src/wrap.c
@@ -1033,6 +1033,7 @@ static void knuth_suboptimal_fit(struct wrap_line *boxes, double line_length,
 		if ( boxes->boxes[j].width > line_length ) {
 			fprintf(stderr, "ERROR: Box %i too long (%i %f)\n", j,
 			                boxes->boxes[j].width, line_length);
+			fr->trouble = 1;
 			reject = 1;
 		}
 	}
@@ -1284,6 +1285,7 @@ int wrap_contents(struct frame *fr, PangoContext *pc,
 	fr->n_lines = 0;
 	fr->max_lines = 32;
 	fr->lines = NULL;
+	fr->trouble = 0;
 	alloc_lines(fr);
 
 	/* Split text into paragraphs */