From d52c17c36ada874e6a0702808577a603331af095 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Tue, 11 Sep 2012 20:02:46 +0200
Subject: Put styles in submenus

---
 src/mainwindow.c   | 80 ++++++++++++++++++++++++++++++++++++++++--------------
 src/presentation.c |  3 ++
 src/presentation.h |  2 ++
 src/stylesheet.c   | 33 ++++++++++++++++++++++
 src/stylesheet.h   |  7 ++++-
 5 files changed, 104 insertions(+), 21 deletions(-)

(limited to 'src')

diff --git a/src/mainwindow.c b/src/mainwindow.c
index 8419e1e..a4221a6 100644
--- a/src/mainwindow.c
+++ b/src/mainwindow.c
@@ -529,14 +529,69 @@ static gint add_furniture(GtkWidget *widget, struct presentation *p)
 }
 
 
+static void update_style_menus(struct presentation *p)
+{
+	GtkWidget *menu;
+	GtkWidget *item;
+	struct slide_template *t;
+	TemplateIterator *iter;
+	int i, j, n;
+
+	for ( i=0; i<p->n_menu_rebuild; i++ ) {
+		gtk_widget_destroy(p->menu_rebuild_list[i]);
+	}
+	free(p->menu_rebuild_list);
+
+	/* Add the styles to the "Insert" menu */
+	menu = gtk_ui_manager_get_widget(p->ui, "/displaywindow/insert");
+	menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu));
+	item = gtk_separator_menu_item_new();
+	gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+
+	n = 0;
+	for ( t = template_first(p->ss, &iter);
+	      t != NULL;
+	      t = template_next(p->ss, iter) )
+	{
+		n += t->n_styles;
+		n += 1;  /* The top level */
+	}
+
+	p->menu_rebuild_list = calloc(n, sizeof(GtkWidget *));
+	if ( p->menu_rebuild_list == NULL ) return;
+
+	j = 0;
+	for ( t = template_first(p->ss, &iter);
+	      t != NULL;
+	      t = template_next(p->ss, iter) )
+	{
+		GtkWidget *submenu;
+
+		submenu = gtk_menu_new();
+		item = gtk_menu_item_new_with_label(t->name);
+		gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
+			gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
+		p->menu_rebuild_list[j++] = item;
+
+		for ( i=0; i<t->n_styles; i++ ) {
+
+			struct style *s = t->styles[i];
+
+			item = gtk_menu_item_new_with_label(s->name);
+			gtk_menu_shell_append(GTK_MENU_SHELL(submenu), item);
+			p->menu_rebuild_list[j++] = item;
+			g_signal_connect(G_OBJECT(item), "activate",
+			                 G_CALLBACK(add_furniture), p);
+
+		}
+	}
+}
+
+
 static void add_menu_bar(struct presentation *p, GtkWidget *vbox)
 {
 	GError *error = NULL;
 	GtkWidget *toolbar;
-	GtkWidget *menu;
-	GtkWidget *item;
-	struct style *s;
-	StyleIterator *iter;
 
 	GtkActionEntry entries[] = {
 
@@ -625,22 +680,7 @@ static void add_menu_bar(struct presentation *p, GtkWidget *vbox)
 	gtk_toolbar_insert(GTK_TOOLBAR(toolbar),
 	                   gtk_separator_tool_item_new(), -1);
 
-	/* Add the styles to the "Insert" menu */
-	menu = gtk_ui_manager_get_widget(p->ui, "/displaywindow/insert");
-	menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu));
-	item = gtk_separator_menu_item_new();
-	gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
-
-	for ( s = style_first(p->ss, &iter);
-	      s != NULL;
-	      s = style_next(p->ss, iter) )
-	{
-		item = gtk_menu_item_new_with_label(s->name);
-		gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
-		g_signal_connect(G_OBJECT(item), "activate",
-	                         G_CALLBACK(add_furniture), p);
-	}
-
+	update_style_menus(p);
 	update_toolbar(p);
 }
 
diff --git a/src/presentation.c b/src/presentation.c
index a94b220..ec918a6 100644
--- a/src/presentation.c
+++ b/src/presentation.c
@@ -224,6 +224,9 @@ struct presentation *new_presentation()
 	new->ss = new_stylesheet();
 	default_stylesheet(new->ss);
 
+	new->n_menu_rebuild = 0;
+	new->menu_rebuild_list = NULL;
+
 	return new;
 }
 
diff --git a/src/presentation.h b/src/presentation.h
index f255636..72a1512 100644
--- a/src/presentation.h
+++ b/src/presentation.h
@@ -89,6 +89,8 @@ struct presentation
 	GtkUIManager     *ui;
 	GtkActionGroup   *action_group;
 	GtkIMContext     *im_context;
+	GtkWidget       **menu_rebuild_list;
+	int               n_menu_rebuild;
 
 	/* Pointers to the current "editing" and "projection" slides */
 	struct slide     *cur_edit_slide;
diff --git a/src/stylesheet.c b/src/stylesheet.c
index 8852b3e..0f49d26 100644
--- a/src/stylesheet.c
+++ b/src/stylesheet.c
@@ -347,3 +347,36 @@ struct style *style_next(StyleSheet *ss, StyleIterator *iter)
 
 	return ss->styles[iter->n];
 }
+
+
+struct _templateiterator
+{
+	int n;
+};
+
+struct slide_template *template_first(StyleSheet *ss, TemplateIterator **piter)
+{
+	TemplateIterator *iter;
+
+	if ( ss->n_templates == 0 ) return NULL;
+
+	iter = calloc(1, sizeof(TemplateIterator));
+	if ( iter == NULL ) return NULL;
+
+	iter->n = 0;
+	*piter = iter;
+
+	return ss->templates[0];
+}
+
+
+struct slide_template *template_next(StyleSheet *ss, TemplateIterator *iter)
+{
+	iter->n++;
+	if ( iter->n == ss->n_templates ) {
+		free(iter);
+		return NULL;
+	}
+
+	return ss->templates[iter->n];
+}
diff --git a/src/stylesheet.h b/src/stylesheet.h
index 49e3b77..82f198d 100644
--- a/src/stylesheet.h
+++ b/src/stylesheet.h
@@ -74,8 +74,13 @@ extern StyleSheet *tree_to_stylesheet(struct ds_node *root);
 extern void write_stylesheet(StyleSheet *ss, struct serializer *ser);
 
 typedef struct _styleiterator StyleIterator;
-
 extern struct style *style_first(StyleSheet *ss, StyleIterator **piter);
 extern struct style *style_next(StyleSheet *ss, StyleIterator *iter);
 
+typedef struct _templateiterator TemplateIterator;
+extern struct slide_template *template_first(StyleSheet *ss,
+                                             TemplateIterator **piter);
+extern struct slide_template *template_next(StyleSheet *ss,
+                                            TemplateIterator *iter);
+
 #endif	/* STYLESHEET_H */
-- 
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