From 3d2730a0ddd1e1e33e6639775727beb954d7bfc0 Mon Sep 17 00:00:00 2001
From: Alexander Tkachev <alexander@tkachov.ru>
Date: Tue, 21 Jun 2016 16:45:07 +0600
Subject: [PATCH] GUI: clippingRect propagated deeper

---
 graphics/VectorRenderer.h       |  3 ++-
 graphics/VectorRendererSpec.cpp | 23 +++++++++++++++++++++++
 graphics/VectorRendererSpec.h   |  1 +
 gui/ThemeEngine.cpp             |  3 +--
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/graphics/VectorRenderer.h b/graphics/VectorRenderer.h
index e98dbc22cf9..2af91d3587b 100644
--- a/graphics/VectorRenderer.h
+++ b/graphics/VectorRenderer.h
@@ -173,6 +173,7 @@ public:
 	 * @param r Radius of the corners.
 	 */
 	virtual void drawRoundedSquare(int x, int y, int r, int w, int h) = 0;
+	virtual void drawRoundedSquareClip(int x, int y, int r, int w, int h, int cx, int cy, int cw, int ch) = 0;
 
 	/**
 	 * Draws a triangle starting at (x,y) with the given base and height.
@@ -379,7 +380,7 @@ public:
 	void drawCallback_ROUNDSQ(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
 		uint16 x, y, w, h;
 		stepGetPositions(step, area, x, y, w, h);
-		drawRoundedSquare(x, y, stepGetRadius(step, area), w, h);
+		drawRoundedSquareClip(x, y, stepGetRadius(step, area), w, h, clip.left, clip.top, clip.right-clip.left, clip.bottom-clip.top);
 	}
 
 	void drawCallback_FILLSURFACE(const Common::Rect &area, const DrawStep &step, const Common::Rect &clip) { //TODO
diff --git a/graphics/VectorRendererSpec.cpp b/graphics/VectorRendererSpec.cpp
index 258d935440b..6c559e0f701 100644
--- a/graphics/VectorRendererSpec.cpp
+++ b/graphics/VectorRendererSpec.cpp
@@ -918,6 +918,29 @@ drawRoundedSquare(int x, int y, int r, int w, int h) {
 	drawRoundedSquareAlg(x, y, r, w, h, _fgColor, Base::_fillMode);
 }
 
+template<typename PixelType>
+void VectorRendererSpec<PixelType>::
+drawRoundedSquareClip(int x, int y, int r, int w, int h, int cx, int cy, int cw, int ch) {
+	if (x + w > Base::_activeSurface->w || y + h > Base::_activeSurface->h ||
+		w <= 0 || h <= 0 || x < 0 || y < 0 || r <= 0)
+		return;
+
+	if ((r * 2) > w || (r * 2) > h)
+		r = MIN(w / 2, h / 2);
+
+	if (r <= 0)
+		return;
+
+	if (Base::_fillMode != kFillDisabled && Base::_shadowOffset
+		&& x + w + Base::_shadowOffset + 1 < Base::_activeSurface->w
+		&& y + h + Base::_shadowOffset + 1 < Base::_activeSurface->h
+		&& h > (Base::_shadowOffset + 1) * 2) {
+		drawRoundedSquareShadow(x, y, r, w, h, Base::_shadowOffset);
+	}
+
+	drawRoundedSquareAlg(x, y, r, w, h, _fgColor, Base::_fillMode);
+}
+
 template<typename PixelType>
 void VectorRendererSpec<PixelType>::
 drawTab(int x, int y, int r, int w, int h) {
diff --git a/graphics/VectorRendererSpec.h b/graphics/VectorRendererSpec.h
index 3e54608b8e6..13377d80e82 100644
--- a/graphics/VectorRendererSpec.h
+++ b/graphics/VectorRendererSpec.h
@@ -54,6 +54,7 @@ public:
 	void drawCircle(int x, int y, int r);
 	void drawSquare(int x, int y, int w, int h);
 	void drawRoundedSquare(int x, int y, int r, int w, int h);
+	void drawRoundedSquareClip(int x, int y, int r, int w, int h, int cx, int cy, int cw, int ch);
 	void drawTriangle(int x, int y, int base, int height, TriangleOrientation orient);
 	void drawTab(int x, int y, int r, int w, int h);
 	void drawBeveledSquare(int x, int y, int w, int h, int bevel) {
diff --git a/gui/ThemeEngine.cpp b/gui/ThemeEngine.cpp
index 12788c22332..3c6f5956a8f 100644
--- a/gui/ThemeEngine.cpp
+++ b/gui/ThemeEngine.cpp
@@ -898,9 +898,8 @@ void ThemeEngine::queueDDClip(DrawData type, const Common::Rect &r, const Common
 
 	Common::Rect area = r;
 	area.clip(_screen.w, _screen.h);
-	area.clip(clippingRect);
 
-	ThemeItemDrawData *q = new ThemeItemDrawData(this, _widgets[type], area, dynamic);
+	ThemeItemDrawDataClip *q = new ThemeItemDrawDataClip(this, _widgets[type], area, clippingRect, dynamic);
 
 	if (_buffering) {
 		if (_widgets[type]->_buffer) {