From f54fd2019dd648b29a80ec7429833ab546d3a428 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Sat, 1 Feb 2025 14:43:22 +1100
Subject: Serialize selection type and ranges with SCI_GETSELECTIONSERIALIZED
 and SCI_SETSELECTIONSERIALIZED.

---
 src/Editor.cxx | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/Editor.cxx')

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 10c694990..d85a4c294 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -711,6 +711,15 @@ void Editor::SetEmptySelection(Sci::Position currentPos_) {
 	SetEmptySelection(SelectionPosition(currentPos_));
 }
 
+void Editor::SetSelectionFromSerialized(const char *serialized) {
+	if (serialized) {
+		sel = Selection(serialized);
+		sel.Truncate(pdoc->Length());
+		SetRectangularRange();
+		InvalidateStyleRedraw();
+	}
+}
+
 void Editor::MultipleSelectAdd(AddNumber addNumber) {
 	if (SelectionEmpty() || !multipleSelection) {
 		// Select word at caret
@@ -8695,6 +8704,15 @@ sptr_t Editor::WndProc(Message iMessage, uptr_t wParam, sptr_t lParam) {
 	case Message::GetUndoSelectionHistory:
 		return static_cast<sptr_t>(undoSelectionHistoryOption);
 
+	case Message::SetSelectionSerialized:
+		SetSelectionFromSerialized(ConstCharPtrFromSPtr(lParam));
+		break;
+
+	case Message::GetSelectionSerialized: {
+		const std::string serialized = sel.ToString();
+		return BytesResult(lParam, serialized);
+	}
+
 	case Message::SetExtraAscent:
 		vs.extraAscent = static_cast<int>(wParam);
 		InvalidateStyleRedraw();
-- 
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