From 7b302ea4b906b162c37c3370434165f6e83a9def Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Sat, 13 Sep 2014 09:54:11 +0200
Subject: Restore notes

---
 src/mainwindow.c   |  6 +++---
 src/notes.c        | 46 +++++++++++++++++++++++++++++++++++++++++++---
 src/notes.h        |  2 ++
 src/presentation.c |  5 +++--
 src/presentation.h |  2 +-
 src/sc_parse.c     |  7 +++++++
 src/sc_parse.h     |  1 +
 7 files changed, 60 insertions(+), 9 deletions(-)

diff --git a/src/mainwindow.c b/src/mainwindow.c
index 5b03828..22e4ce8 100644
--- a/src/mainwindow.c
+++ b/src/mainwindow.c
@@ -380,9 +380,9 @@ static gint new_sig(GtkWidget *widget, struct presentation *pnn)
 		new = add_slide(p, 0);
 		p->completely_empty = 1;
 		/* FIXME: position */
-		new->scblocks = sc_block_append_inside(p->scblocks, "slide",
-	                                               NULL, NULL);
-
+		new->scblocks = sc_block_append_end(p->scblocks, "slide",
+	                                            NULL, NULL);
+		attach_notes(new);
 		open_mainwindow(p);
 	}
 
diff --git a/src/notes.c b/src/notes.c
index 2e57d25..2210f55 100644
--- a/src/notes.c
+++ b/src/notes.c
@@ -51,11 +51,20 @@ static void set_notes_title(struct presentation *p)
 static void update_notes(struct presentation *p)
 {
 	GtkTextBuffer *tb;
+	const char *ntext;
+	SCBlock *ch;
 
 	if ( p->notes == NULL ) return;
 
+	ch = sc_block_child(p->cur_edit_slide->notes);
+	if ( ch != NULL ) {
+		ntext = sc_block_contents(ch);
+	} else {
+		ntext = "NOTES ERROR";
+	}
+
 	tb = gtk_text_view_get_buffer(GTK_TEXT_VIEW(p->notes->v));
-	gtk_text_buffer_set_text(tb, p->cur_edit_slide->notes, -1);
+	gtk_text_buffer_set_text(tb, ntext, -1);
 }
 
 
@@ -64,6 +73,7 @@ void grab_current_notes(struct presentation *p)
 	gchar *text;
 	GtkTextBuffer *tb;
 	GtkTextIter i1, i2;
+	SCBlock *ch;
 	struct notes *n = p->notes;
 
 	if ( n == NULL ) return;
@@ -73,8 +83,12 @@ void grab_current_notes(struct presentation *p)
 	gtk_text_buffer_get_end_iter(tb, &i2);
 	text = gtk_text_buffer_get_text(tb, &i1, &i2, TRUE);
 
-	free(n->slide->notes);
-	n->slide->notes = text;
+	ch = sc_block_child(n->slide->notes);
+	if ( ch != NULL ) {
+		sc_block_set_contents(ch, text);
+	} else {
+		fprintf(stderr, "NOTES ERROR\n");
+	}
 }
 
 
@@ -130,3 +144,29 @@ void open_notes(struct presentation *p)
 
 	update_notes(p);
 }
+
+
+void attach_notes(struct slide *s)
+{
+	SCBlock *bl = s->scblocks;
+
+	while ( bl != NULL ) {
+
+		const char *name = sc_block_name(bl);
+
+		if ( (name != NULL) && (strcmp(name, "notes") == 0) ) {
+			s->notes = bl;
+			if ( sc_block_child(bl) == NULL ) {
+				sc_block_append_inside(s->notes, NULL, NULL,
+				                       strdup(""));
+			}
+			return;
+		}
+
+		bl = sc_block_next(bl);
+
+	}
+
+	s->notes = sc_block_append_end(s->scblocks, "notes", NULL, NULL);
+	sc_block_append_inside(s->notes, NULL, NULL, strdup(""));
+}
diff --git a/src/notes.h b/src/notes.h
index 89d050c..31c5e3a 100644
--- a/src/notes.h
+++ b/src/notes.h
@@ -36,4 +36,6 @@ extern void notify_notes_slide_changed(struct presentation *p,
 
 extern void grab_current_notes(struct presentation *p);
 
+extern void attach_notes(struct slide *s);
+
 #endif	/* NOTES_H */
diff --git a/src/presentation.c b/src/presentation.c
index 5afd041..56bbbd6 100644
--- a/src/presentation.c
+++ b/src/presentation.c
@@ -125,7 +125,6 @@ void delete_slide(struct presentation *p, struct slide *s)
 }
 
 
-
 struct slide *new_slide()
 {
 	struct slide *new;
@@ -140,7 +139,8 @@ struct slide *new_slide()
 	new->top = frame_new();
 	/* FIXME: Set zero margins etc on top level frame */
 
-	new->notes = strdup("");
+	new->scblocks = NULL;
+	new->notes = NULL;
 
 	return new;
 }
@@ -424,6 +424,7 @@ int load_presentation(struct presentation *p, const char *filename)
 				s->scblocks = sc_block_child(block);
 				s->top = frame_new();
 				s->top->scblocks = sc_block_child(block);
+				attach_notes(s);
 
 			}
 
diff --git a/src/presentation.h b/src/presentation.h
index 591efe9..a7bb0e9 100644
--- a/src/presentation.h
+++ b/src/presentation.h
@@ -49,7 +49,7 @@ struct slide
 	struct frame *top;
 
 	SCBlock *scblocks;
-	char *notes;
+	SCBlock *notes;
 };
 
 
diff --git a/src/sc_parse.c b/src/sc_parse.c
index 93a346e..0f8e893 100644
--- a/src/sc_parse.c
+++ b/src/sc_parse.c
@@ -514,6 +514,13 @@ void sc_block_set_options(SCBlock *bl, char *opt)
 }
 
 
+void sc_block_set_contents(SCBlock *bl, char *con)
+{
+	free(bl->contents);
+	bl->contents = con;
+}
+
+
 SCBlock *find_last_child(SCBlock *bl)
 {
 	if ( bl == NULL ) return NULL;
diff --git a/src/sc_parse.h b/src/sc_parse.h
index 1e80c8c..b86293c 100644
--- a/src/sc_parse.h
+++ b/src/sc_parse.h
@@ -66,6 +66,7 @@ extern SCBlock *find_last_child(SCBlock *bl);
 
 
 extern void sc_block_set_options(SCBlock *bl, char *opt);
+extern void sc_block_set_contents(SCBlock *bl, char *con);
 extern void sc_insert_text(SCBlock *b1, int o1, const char *t);
 extern void sc_delete_text(SCBlock *b1, int o1, SCBlock *b2, int o2);
 
-- 
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