1 files changed, 81 insertions, 0 deletions
diff --git a/src/document.cpp b/src/document.cpp
new file mode 100644
index 0000000..b6a99f5
--- /dev/null
+++ b/src/document.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2012-2013 Robin Haberkorn
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+
+#include <Scintilla.h>
+
+#include "sciteco.h"
+#include "interface.h"
+#include "undo.h"
+#include "document.h"
+
+void
+TECODocument::edit(void)
+{
+	if (!is_initialized())
+		doc = (SciDoc)interface.ssm(SCI_CREATEDOCUMENT);
+
+	interface.ssm(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
+	interface.ssm(SCI_SETFIRSTVISIBLELINE, first_line);
+	interface.ssm(SCI_SETXOFFSET, xoffset);
+	interface.ssm(SCI_GOTOPOS, dot);
+}
+
+void
+TECODocument::undo_edit(void)
+{
+	undo.push_msg(SCI_GOTOPOS, dot);
+	undo.push_msg(SCI_SETXOFFSET, xoffset);
+	undo.push_msg(SCI_SETFIRSTVISIBLELINE, first_line);
+	undo.push_msg(SCI_SETDOCPOINTER, 0, (sptr_t)doc);
+}
+
+void
+TECODocument::update(void)
+{
+	dot = interface.ssm(SCI_GETCURRENTPOS);
+	first_line = interface.ssm(SCI_GETFIRSTVISIBLELINE);
+	xoffset = interface.ssm(SCI_GETXOFFSET);
+}
+
+/*
+ * Only for QRegisterStack::pop() which does some clever
+ * exchanging of document data (without any deep copying)
+ */
+void
+TECODocument::exchange(TECODocument &other)
+{
+	SciDoc temp_doc = doc;
+	gint temp_dot = dot;
+	gint temp_first_line = first_line;
+	gint temp_xoffset = xoffset;
+
+	doc = other.doc;
+	dot = other.dot;
+	first_line = other.first_line;
+	xoffset = other.xoffset;
+
+	other.doc = temp_doc;
+	other.dot = temp_dot;
+	other.first_line = temp_first_line;
+	other.xoffset = temp_xoffset;
+}