From 2fc49d9b364ca23babfbed19fed4d6f23d2664c1 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Thu, 15 Oct 2009 04:31:42 +0000
Subject: [PATCH] Added ColumnAt(BPoint) version.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33587 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 headers/private/interface/ColumnListView.h |  1 +
 src/kits/interface/ColumnListView.cpp      | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/headers/private/interface/ColumnListView.h b/headers/private/interface/ColumnListView.h
index d2e02f588a..6b9a80054f 100644
--- a/headers/private/interface/ColumnListView.h
+++ b/headers/private/interface/ColumnListView.h
@@ -297,6 +297,7 @@ public:
 			void				RemoveColumn(BColumn* column);
 			int32				CountColumns() const;
 			BColumn*			ColumnAt(int32 index) const;
+			BColumn*			ColumnAt(BPoint point) const;
 			void				SetColumnVisible(BColumn* column,
 									bool isVisible);
 			void				SetColumnVisible(int32, bool);
diff --git a/src/kits/interface/ColumnListView.cpp b/src/kits/interface/ColumnListView.cpp
index 37ee3eee3d..460aadc005 100644
--- a/src/kits/interface/ColumnListView.cpp
+++ b/src/kits/interface/ColumnListView.cpp
@@ -1118,6 +1118,26 @@ BColumnListView::ColumnAt(int32 field) const
 }
 
 
+BColumn*
+BColumnListView::ColumnAt(BPoint point) const
+{
+	float left = MAX(kLeftMargin, LatchWidth());
+
+	for (int i = 0; BColumn* column = (BColumn*)fColumns.ItemAt(i); i++) {
+		if (!column->IsVisible())
+			continue;
+
+		float right = left + column->Width();
+		if (point.x >= left && point.x <= right)
+			return column;
+
+		left = right + 1;
+	}
+
+	return NULL;
+}
+
+
 void
 BColumnListView::SetColumnVisible(BColumn* column, bool visible)
 {