On Win32, mouse wheel scrolling can be restricted to only occur when the mouse

is within the window.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/Editor.cxx b/src/Editor.cxx
index beec634d3..ee4d3947f 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -112,6 +112,7 @@ Editor::Editor() {
 	hasFocus = false;
 	errorStatus = 0;
 	mouseDownCaptures = true;
+	mouseWheelCaptures = true;
 
 	lastClickTime = 0;
 	doubleClickCloseThreshold = Point(3, 3);
@@ -7594,6 +7595,13 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_GETMOUSEDOWNCAPTURES:
 		return mouseDownCaptures;
 
+	case SCI_SETMOUSEWHEELCAPTURES:
+		mouseWheelCaptures = wParam != 0;
+		break;
+
+	case SCI_GETMOUSEWHEELCAPTURES:
+		return mouseWheelCaptures;
+
 	case SCI_SETCURSOR:
 		cursorMode = static_cast<int>(wParam);
 		DisplayCursor(Window::cursorText);
diff --git a/src/Editor.h b/src/Editor.h
index 72d4719ed..ee56700dd 100644
--- a/src/Editor.h
+++ b/src/Editor.h
@@ -176,6 +176,7 @@ protected:	// ScintillaBase subclass needs access to much of Editor
 
 	bool hasFocus;
 	bool mouseDownCaptures;
+	bool mouseWheelCaptures;
 
 	int xCaretMargin;	///< Ensure this many pixels visible on both sides of caret
 	bool horizontalScrollBarVisible;