2 files changed, 42 insertions, 0 deletions
diff --git a/src/Editor.cxx b/src/Editor.cxx
index 4cc275e71..54fb6185b 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -150,6 +150,7 @@ Editor::Editor() {
 	caretSticky = false;
 	multipleSelection = false;
 	additionalSelectionTyping = false;
+	multiPasteMode = SC_MULTIPASTE_ONCE;
 	additionalCaretsBlink = true;
 	additionalCaretsVisible = true;
 	virtualSpaceOptions = SCVS_NONE;
@@ -3797,6 +3798,38 @@ void Editor::AddCharUTF(char *s, unsigned int len, bool treatAsDBCS) {
 	}
 }
 
+void Editor::InsertPaste(SelectionPosition selStart, const char *text, int len) {
+	if (multiPasteMode == SC_MULTIPASTE_ONCE) {
+		selStart = SelectionPosition(InsertSpace(selStart.Position(), selStart.VirtualSpace()));
+		if (pdoc->InsertString(selStart.Position(), text, len)) {
+			SetEmptySelection(selStart.Position() + len);
+		}
+	} else {
+		// SC_MULTIPASTE_EACH
+		for (size_t r=0; r<sel.Count(); r++) {
+			if (!RangeContainsProtected(sel.Range(r).Start().Position(),
+				sel.Range(r).End().Position())) {
+				int positionInsert = sel.Range(r).Start().Position();
+				if (!sel.Range(r).Empty()) {
+					if (sel.Range(r).Length()) {
+						pdoc->DeleteChars(positionInsert, sel.Range(r).Length());
+						sel.Range(r).ClearVirtualSpace();
+					} else {
+						// Range is all virtual so collapse to start of virtual space
+						sel.Range(r).MinimizeVirtualSpace();
+					}
+				}
+				positionInsert = InsertSpace(positionInsert, sel.Range(r).caret.VirtualSpace());
+				if (pdoc->InsertString(positionInsert, text, len)) {
+					sel.Range(r).caret.SetPosition(positionInsert + len);
+					sel.Range(r).anchor.SetPosition(positionInsert + len);
+				}
+				sel.Range(r).ClearVirtualSpace();
+			}
+		}
+	}
+}
+
 void Editor::ClearSelection() {
 	if (!sel.IsRectangular())
 		FilterSelections();
@@ -8282,6 +8315,13 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_GETADDITIONALSELECTIONTYPING:
 		return additionalSelectionTyping;
 
+	case SCI_SETMULTIPASTE:
+		multiPasteMode = wParam;
+		break;
+
+	case SCI_GETMULTIPASTE:
+		return multiPasteMode;
+
 	case SCI_SETADDITIONALCARETSBLINK:
 		additionalCaretsBlink = wParam != 0;
 		InvalidateCaret();
diff --git a/src/Editor.h b/src/Editor.h
index 94454b2d9..6e6c25f0f 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -142,6 +142,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	bool caretSticky;
 	bool multipleSelection;
 	bool additionalSelectionTyping;
+	int multiPasteMode;
 	bool additionalCaretsBlink;
 	bool additionalCaretsVisible;
 
@@ -358,6 +359,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 	int InsertSpace(int position, unsigned int spaces);
 	void AddChar(char ch);
 	virtual void AddCharUTF(char *s, unsigned int len, bool treatAsDBCS=false);
+	void InsertPaste(SelectionPosition selStart, const char *text, int len);
 	void ClearSelection();
 	void ClearAll();
 	void ClearDocumentStyle();