Add an 'edit' menu item to the dive info text fields

It just pops up the dive info edit box.  This way you can be in the dive
info tab, and not have to go to the dive list just to double-click on
the dive.

This thing still needs some polish, but it's now usable.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

info.c

@@ -95,6 +95,19 @@ void show_dive_info(struct dive *dive)
 		dive && dive->notes ? dive->notes : "", -1);
 }
 
+static void info_menu_edit_cb(GtkMenuItem *menuitem, gpointer user_data)
+{
+	edit_dive_info(current_dive);
+}
+
+static void populate_popup_cb(GtkTextView *entry, GtkMenu *menu, gpointer user_data)
+{
+	GtkWidget *item = gtk_menu_item_new_with_label("Edit");
+	g_signal_connect(item, "activate", G_CALLBACK(info_menu_edit_cb), NULL);
+	gtk_widget_show(item); /* Yes, really */
+	gtk_menu_prepend(menu, item);
+}
+
 static GtkEntry *text_value(GtkWidget *box, const char *label)
 {
 	GtkWidget *widget;
@@ -105,6 +118,7 @@ static GtkEntry *text_value(GtkWidget *box, const char *label)
 	gtk_widget_set_can_focus(widget, FALSE);
 	gtk_editable_set_editable(GTK_EDITABLE(widget), FALSE);
 	gtk_container_add(GTK_CONTAINER(frame), widget);
+	g_signal_connect(widget, "populate-popup", G_CALLBACK(populate_popup_cb), NULL);
 	return GTK_ENTRY(widget);
 }
 
@@ -160,6 +174,7 @@ static GtkTextView *text_view(GtkWidget *box, const char *label, enum writable w
 		gtk_widget_set_can_focus(view, FALSE);
 		gtk_text_view_set_editable(GTK_TEXT_VIEW(view), FALSE);
 		gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(view), FALSE);
+		g_signal_connect(view, "populate-popup", G_CALLBACK(populate_popup_cb), NULL);
 	}
 	gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(view), GTK_WRAP_WORD);
 	gtk_container_add(GTK_CONTAINER(scrolled_window), view);