From dd9ae27be2d1b983638337f24685e6458360dfa3 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Fri, 19 Mar 2021 15:04:38 +1100
Subject: Implement PopClip to allow local clipping.

---
 qt/ScintillaEditBase/PlatQt.cpp | 8 +++++++-
 qt/ScintillaEditBase/PlatQt.h   | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

(limited to 'qt')

diff --git a/qt/ScintillaEditBase/PlatQt.cpp b/qt/ScintillaEditBase/PlatQt.cpp
index 1b8f75c02..ce6f0313b 100644
--- a/qt/ScintillaEditBase/PlatQt.cpp
+++ b/qt/ScintillaEditBase/PlatQt.cpp
@@ -470,7 +470,7 @@ void SurfaceImpl::DrawTextClipped(PRectangle rc,
 {
 	SetClip(rc);
 	DrawTextNoClip(rc, font, ybase, text, fore, back);
-	GetPainter()->setClipping(false);
+	PopClip();
 }
 
 void SurfaceImpl::DrawTextTransparent(PRectangle rc,
@@ -489,9 +489,15 @@ void SurfaceImpl::DrawTextTransparent(PRectangle rc,
 
 void SurfaceImpl::SetClip(PRectangle rc)
 {
+	GetPainter()->save();
 	GetPainter()->setClipRect(QRectFFromPRect(rc));
 }
 
+void SurfaceImpl::PopClip()
+{
+	GetPainter()->restore();
+}
+
 void SurfaceImpl::MeasureWidths(const Font *font,
 				std::string_view text,
                                 XYPOSITION *positions)
diff --git a/qt/ScintillaEditBase/PlatQt.h b/qt/ScintillaEditBase/PlatQt.h
index 7b43e0b02..4069898ff 100644
--- a/qt/ScintillaEditBase/PlatQt.h
+++ b/qt/ScintillaEditBase/PlatQt.h
@@ -133,6 +133,7 @@ public:
 	XYPOSITION AverageCharWidth(const Font *font) override;
 
 	void SetClip(PRectangle rc) override;
+	void PopClip() override;
 	void FlushCachedState() override;
 
 	void SetUnicodeMode(bool unicodeMode_) override;
-- 
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