Cleaned up progress handling, implemented cancel function. Needs more testing

git-svn-id: http://svn.clifford.at/openscad/trunk@420 b57f626f-c46c-0410-a088-ec61d464b74c

1 files changed, 28 insertions, 0 deletions

diff --git a/src/progress.cc b/src/progress.cc
new file mode 100644
index 0000000..300147d
--- /dev/null
+++ b/src/progress.cc
@@ -0,0 +1,28 @@
+#include "progress.h"
+#include "node.h"
+
+int progress_report_count;
+void (*progress_report_f)(const class AbstractNode*, void*, int);
+void *progress_report_userdata;
+
+void progress_report_prep(AbstractNode *root, void (*f)(const class AbstractNode *node, void *userdata, int mark), void *userdata)
+{
+	progress_report_count = 0;
+	progress_report_f = f;
+	progress_report_userdata = userdata;
+	root->progress_prepare();
+}
+
+void progress_report_fin()
+{
+	progress_report_count = 0;
+	progress_report_f = NULL;
+	progress_report_userdata = NULL;
+}
+
+void progress_update(const AbstractNode *node, int mark)
+{
+	if (progress_report_f)
+		progress_report_f(node, progress_report_userdata, mark);
+}
+