From 87f9b270e9b34f5e67ef7897aacca44b608bb408 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Sat, 5 Oct 2019 09:58:38 +0200
Subject: Restore paragraph splitting

---
 libstorycode/gtk/gtknarrativeview.c |  5 ++++-
 libstorycode/narrative.c            | 36 ++++++++++++++++++++++++++----------
 2 files changed, 30 insertions(+), 11 deletions(-)

diff --git a/libstorycode/gtk/gtknarrativeview.c b/libstorycode/gtk/gtknarrativeview.c
index e44d25b..897bf97 100644
--- a/libstorycode/gtk/gtknarrativeview.c
+++ b/libstorycode/gtk/gtknarrativeview.c
@@ -832,13 +832,16 @@ static void insert_text(char *t, GtkNarrativeView *e)
 		if ( strcmp(t, "\n") == 0 ) {
 			narrative_split_item(e->n, e->cpos.para, off);
 			rewrap_range(e, e->cpos.para, e->cpos.para+1);
+			e->cpos.para += 1;
+			e->cpos.pos = 0;
+			e->cpos.trail = 0;
 		} else {
 			insert_text_in_paragraph(item, off, t);
 			rewrap_range(e, e->cpos.para, e->cpos.para);
+			cursor_moveh(e->n, &e->cpos, +1);
 		}
 
 		update_size(e);
-		cursor_moveh(e->n, &e->cpos, +1);
 
 	} /* else do nothing */
 
diff --git a/libstorycode/narrative.c b/libstorycode/narrative.c
index 08c19d3..895f530 100644
--- a/libstorycode/narrative.c
+++ b/libstorycode/narrative.c
@@ -422,26 +422,42 @@ int which_run(struct narrative_item *item, size_t item_offs, size_t *run_offs)
 	return run;
 }
 
-
 void narrative_split_item(Narrative *n, int i1, size_t o1)
 {
-	/* FIXME! */
-#if 0
 	struct narrative_item *item1;
 	struct narrative_item *item2;
 
-	item1 = &n->items[i1];
 	item2 = insert_item(n, i1+1);
+	item1 = &n->items[i1];  /* NB n->items was realloced by insert_item */
+	item2->type = NARRATIVE_ITEM_TEXT;
 
 	if ( narrative_item_is_text(n, i1) ) {
-		item2->text = strdup(&item1->text[o1]);
-		item1->text[o1] = '\0';
+
+		size_t run_offs;
+		int run = which_run(item1, o1, &run_offs);
+		int j;
+
+		item2->n_runs = item1->n_runs - run;
+		item2->runs = malloc(item2->n_runs*sizeof(struct text_run));
+		for ( j=run; j<item1->n_runs; j++ ) {
+			item2->runs[j-run] = item1->runs[j];
+		}
+
+		/* Now break the run */
+		item2->runs[0].text = strdup(item1->runs[run].text+run_offs);
+		item1->runs[run].text[run_offs] = '\0';
+		item1->n_runs = run + 1;
+
 	} else {
-		item2->text = strdup("");
-	}
 
-	item2->type = NARRATIVE_ITEM_TEXT;
-#endif
+		/* Splitting a non-text run simply means creating a new
+		 * plain text item after it */
+		item2->runs = malloc(sizeof(struct text_run));
+		item2->n_runs = 1;
+		item2->runs[0].text = strdup("");
+		item2->runs[0].type = TEXT_RUN_NORMAL;;
+
+	}
 }
 
 
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