From 17b93475626c612d977386a2e0e4747dd130558f Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Tue, 25 Oct 2011 19:41:06 +0000
Subject: [PATCH] Add mouse wheel forwarding to ScintillaTextCtrl as wxSTC uses
 the scroll wheel

Originally committed to SVN as r5783.
---
 aegisub/src/scintilla_text_ctrl.cpp | 8 ++++++++
 aegisub/src/scintilla_text_ctrl.h   | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/aegisub/src/scintilla_text_ctrl.cpp b/aegisub/src/scintilla_text_ctrl.cpp
index a086fa5e8..f147ff1b8 100644
--- a/aegisub/src/scintilla_text_ctrl.cpp
+++ b/aegisub/src/scintilla_text_ctrl.cpp
@@ -42,6 +42,7 @@
 ScintillaTextCtrl::ScintillaTextCtrl(wxWindow* parent, wxWindowID id, const wxString& value, const wxPoint& pos, const wxSize& size, long style)
 : wxStyledTextCtrl(parent, id, pos, size, style, value)
 {
+	Bind(wxEVT_MOUSEWHEEL, &ScintillaTextCtrl::OnMouseWheel, this);
 }
 
 /// @brief Get unicode-compatible position 
@@ -111,3 +112,10 @@ wxString ScintillaTextCtrl::GetWordAtPosition(int pos) {
 void ScintillaTextCtrl::SetSelectionU(int start, int end) {
 	SetSelection(GetUnicodePosition(start),GetUnicodePosition(end));
 }
+
+void ScintillaTextCtrl::OnMouseWheel(wxMouseEvent& evt) {
+	if (ForwardMouseWheelEvent(this, evt)) {
+		// Skip the event so that wxSTC's default mouse wheel handler is hit
+		evt.Skip();
+	}
+}
diff --git a/aegisub/src/scintilla_text_ctrl.h b/aegisub/src/scintilla_text_ctrl.h
index 98159db21..c4e2045d7 100644
--- a/aegisub/src/scintilla_text_ctrl.h
+++ b/aegisub/src/scintilla_text_ctrl.h
@@ -45,6 +45,8 @@
 /// DOCME
 class ScintillaTextCtrl : public wxStyledTextCtrl {
 	wxString text;
+
+	void OnMouseWheel(wxMouseEvent& evt);
 public:
 	wxString GetWordAtPosition(int pos);
 	void GetBoundsOfWordAtPosition(int pos,int &start,int &end);