From dfd84e5dbd36aba02b8aedfb66d03ad8a1755fc0 Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Tue, 2 Oct 2001 06:04:52 +0000
Subject: Patch from Mark to make the x offset accessible through the API.

---
 include/Scintilla.h     | 2 ++
 include/Scintilla.iface | 4 ++++
 src/Editor.cxx          | 8 ++++++++
 3 files changed, 14 insertions(+)

diff --git a/include/Scintilla.h b/include/Scintilla.h
index 7202712ad..19429a493 100644
--- a/include/Scintilla.h
+++ b/include/Scintilla.h
@@ -442,6 +442,8 @@ typedef sptr_t (*SciFnDirect)(sptr_t ptr, unsigned int iMessage, uptr_t wParam,
 #define SCI_SETVISIBLEPOLICY 2394
 #define SCI_DELLINELEFT 2395
 #define SCI_DELLINERIGHT 2396
+#define SCI_SETXOFFSET 2397
+#define SCI_GETXOFFSET 2398
 #define SCI_GRABFOCUS 2400
 #define SCI_STARTRECORD 3001
 #define SCI_STOPRECORD 3002
diff --git a/include/Scintilla.iface b/include/Scintilla.iface
index 6c31eaa70..c77fe2b9e 100644
--- a/include/Scintilla.iface
+++ b/include/Scintilla.iface
@@ -1169,6 +1169,10 @@ fun void DelLineLeft=2395(,)
 # Delete forwards from the current position to the end of the line
 fun void DelLineRight=2396(,)
 
+# Get and Set the xOffset (ie, horizonal scroll position)
+set void SetXOffset=2397(int newOffset,)
+get int GetXOffset=2398(,)
+
 # Set the focus to this Scintilla widget.
 # GTK+ Specific
 fun void GrabFocus=2400(,)
diff --git a/src/Editor.cxx b/src/Editor.cxx
index cbf3a951f..0730bc280 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -3700,6 +3700,14 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 		HorizontalScrollTo(xOffset + wParam * vs.spaceWidth);
 		return TRUE;
 
+	case SCI_SETXOFFSET:
+		xOffset = wParam;
+		Redraw();
+		break;
+
+	case SCI_GETXOFFSET:
+		return xOffset;
+
 	case SCI_SCROLLCARET:
 		EnsureCaretVisible();
 		break;
-- 
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