From 27e08c96c71183edea9be3e189d7152c19b1beac Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.me.uk>
Date: Sun, 21 Oct 2018 18:03:01 +0200
Subject: Try <documentname>.ss for stylesheet

---
 src/narrative_window.c |  8 ++++----
 src/presentation.c     | 20 +++++++++++++++++++-
 src/sc_interp.c        |  2 ++
 src/stylesheet.c       | 14 ++++++++++++--
 src/stylesheet.h       |  4 +++-
 5 files changed, 40 insertions(+), 8 deletions(-)

diff --git a/src/narrative_window.c b/src/narrative_window.c
index ead78bd..b287f61 100644
--- a/src/narrative_window.c
+++ b/src/narrative_window.c
@@ -190,12 +190,12 @@ static gint load_ss_response_sig(GtkWidget *d, gint response,
 {
 	if ( response == GTK_RESPONSE_ACCEPT ) {
 
-		char *filename;
+		GFile *file;
 		Stylesheet *new_ss;
 
-		filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(d));
+		file = gtk_file_chooser_get_file(GTK_FILE_CHOOSER(d));
 
-		new_ss = stylesheet_load(filename);
+		new_ss = stylesheet_load(file);
 		if ( new_ss != NULL ) {
 
 			stylesheet_free(nw->p->stylesheet);
@@ -209,7 +209,7 @@ static gint load_ss_response_sig(GtkWidget *d, gint response,
 			fprintf(stderr, _("Failed to load\n"));
 		}
 
-		g_free(filename);
+		g_object_unref(file);
 
 	}
 
diff --git a/src/presentation.c b/src/presentation.c
index 1aa126a..a33a541 100644
--- a/src/presentation.c
+++ b/src/presentation.c
@@ -245,6 +245,8 @@ int load_presentation(struct presentation *p, GFile *file)
 {
 	int r = 0;
 	char *everything;
+	GFile *ssfile;
+	gchar *ssuri;
 
 	assert(p->completely_empty);
 
@@ -266,7 +268,23 @@ int load_presentation(struct presentation *p, GFile *file)
 		return r;  /* Error */
 	}
 
-	p->stylesheet = stylesheet_load("stylesheet.json");  /* FIXME: ! */
+	p->stylesheet = NULL;
+	ssuri = g_file_get_uri(file);
+	if ( ssuri != NULL ) {
+		size_t l = strlen(ssuri);
+		if ( ssuri[l-3] == '.' && ssuri[l-2] == 's' && ssuri[l-1] =='c' ) {
+			ssuri[l-1] = 's';
+			ssfile = g_file_new_for_uri(ssuri);
+			p->stylesheet = stylesheet_load(ssfile);
+			g_object_unref(ssfile);
+			g_free(ssuri);
+		}
+	}
+	if ( p->stylesheet == NULL ) {
+		ssfile = g_file_new_for_path("./stylesheet.json");
+		p->stylesheet = stylesheet_load(ssfile);
+		g_object_unref(ssfile);
+	}
 
 	set_slide_size_from_stylesheet(p);
 
diff --git a/src/sc_interp.c b/src/sc_interp.c
index 780663f..010b100 100644
--- a/src/sc_interp.c
+++ b/src/sc_interp.c
@@ -945,6 +945,8 @@ static void apply_style(SCInterpreter *scin, Stylesheet *ss, const char *path)
 		return;
 	}
 
+	if ( ss == NULL ) return;
+
 	/* Font */
 	strcpy(fullpath, path);
 	strcat(fullpath, ".font");
diff --git a/src/stylesheet.c b/src/stylesheet.c
index 228c331..020107e 100644
--- a/src/stylesheet.c
+++ b/src/stylesheet.c
@@ -29,8 +29,10 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <gio/gio.h>
 
 #include "stylesheet.h"
+#include "utils.h"
 
 
 struct _stylesheet {
@@ -38,19 +40,27 @@ struct _stylesheet {
 };
 
 
-Stylesheet *stylesheet_load(const char *filename)
+Stylesheet *stylesheet_load(GFile *file)
 {
 	JsonParser *parser;
 	gboolean r;
 	GError *err = NULL;
 	Stylesheet *ss;
+	char *everything;
+	gsize len;
 
 	ss = calloc(1, sizeof(Stylesheet));
 	if ( ss == NULL ) return NULL;
 
 	parser = json_parser_new();
 
-	r = json_parser_load_from_file(parser, filename, &err);
+	if ( !g_file_load_contents(file, NULL, &everything, &len, NULL, NULL) ) {
+		fprintf(stderr, _("Failed to load stylesheet '%s'\n"),
+		        g_file_get_uri(file));
+		return NULL;
+	}
+
+	r = json_parser_load_from_data(parser, everything, len, &err);
 	if ( r == FALSE ) {
 		fprintf(stderr, "Failed to load style sheet: '%s'\n", err->message);
 		return NULL;
diff --git a/src/stylesheet.h b/src/stylesheet.h
index 59afa7d..aa5867f 100644
--- a/src/stylesheet.h
+++ b/src/stylesheet.h
@@ -27,9 +27,11 @@
 #include <config.h>
 #endif
 
+#include <gio/gio.h>
+
 typedef struct _stylesheet Stylesheet;
 
-extern Stylesheet *stylesheet_load(const char *filename);
+extern Stylesheet *stylesheet_load(GFile *file);
 extern char *stylesheet_lookup(Stylesheet *ss, const char *path);
 extern void stylesheet_free(Stylesheet *ss);
 
-- 
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