From 9c1b427687e6760b227d164af1ff6cbcbb047bdd Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Tue, 15 Jul 2014 21:35:11 -0400
Subject: [PATCH] DolphinWX: Implement scrolling in the code view and DSP
 disassembly view.

---
 Source/Core/DolphinWX/Debugger/CodeView.cpp | 19 +++++++++++++++++++
 Source/Core/DolphinWX/Debugger/CodeView.h   |  1 +
 2 files changed, 20 insertions(+)

diff --git a/Source/Core/DolphinWX/Debugger/CodeView.cpp b/Source/Core/DolphinWX/Debugger/CodeView.cpp
index 0b725e75d4..d7e06e4585 100644
--- a/Source/Core/DolphinWX/Debugger/CodeView.cpp
+++ b/Source/Core/DolphinWX/Debugger/CodeView.cpp
@@ -56,6 +56,7 @@ enum
 BEGIN_EVENT_TABLE(CCodeView, wxControl)
 	EVT_ERASE_BACKGROUND(CCodeView::OnErase)
 	EVT_PAINT(CCodeView::OnPaint)
+	EVT_MOUSEWHEEL(CCodeView::OnScrollWheel)
 	EVT_LEFT_DOWN(CCodeView::OnMouseDown)
 	EVT_LEFT_UP(CCodeView::OnMouseUpL)
 	EVT_MOTION(CCodeView::OnMouseMove)
@@ -114,6 +115,24 @@ void CCodeView::OnMouseDown(wxMouseEvent& event)
 	event.Skip();
 }
 
+void CCodeView::OnScrollWheel(wxMouseEvent& event)
+{
+	const bool scroll_down = (event.GetWheelRotation() < 0);
+	const int num_lines = event.GetLinesPerAction();
+
+	if (scroll_down)
+	{
+		curAddress += num_lines;
+	}
+	else
+	{
+		curAddress -= num_lines;
+	}
+
+	Refresh();
+	event.Skip();
+}
+
 void CCodeView::ToggleBreakpoint(u32 address)
 {
 	debugger->ToggleBreakpoint(address);
diff --git a/Source/Core/DolphinWX/Debugger/CodeView.h b/Source/Core/DolphinWX/Debugger/CodeView.h
index fde58decb7..8532e53457 100644
--- a/Source/Core/DolphinWX/Debugger/CodeView.h
+++ b/Source/Core/DolphinWX/Debugger/CodeView.h
@@ -30,6 +30,7 @@ public:
 			wxWindow* parent, wxWindowID Id = wxID_ANY);
 	void OnPaint(wxPaintEvent& event);
 	void OnErase(wxEraseEvent& event);
+	void OnScrollWheel(wxMouseEvent& event);
 	void OnMouseDown(wxMouseEvent& event);
 	void OnMouseMove(wxMouseEvent& event);
 	void OnMouseUpL(wxMouseEvent& event);