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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/views/non_client_view.h"
namespace views {
const int NonClientView::kClientEdgeThickness = 1;
int NonClientView::GetHTComponentForFrame(const gfx::Point& point,
int top_resize_border_height,
int resize_border_thickness,
int top_resize_corner_height,
int resize_corner_width,
bool can_resize) {
// Tricky: In XP, native behavior is to return HTTOPLEFT and HTTOPRIGHT for
// a |resize_corner_size|-length strip of both the side and top borders, but
// only to return HTBOTTOMLEFT/HTBOTTOMRIGHT along the bottom border + corner
// (not the side border). Vista goes further and doesn't return these on any
// of the side borders. We allow callers to match either behavior.
int component;
if (point.x() < resize_border_thickness) {
if (point.y() < top_resize_corner_height)
component = HTTOPLEFT;
else if (point.y() >= (height() - resize_border_thickness))
component = HTBOTTOMLEFT;
else
component = HTLEFT;
} else if (point.x() >= (width() - resize_border_thickness)) {
if (point.y() < top_resize_corner_height)
component = HTTOPRIGHT;
else if (point.y() >= (height() - resize_border_thickness))
component = HTBOTTOMRIGHT;
else
component = HTRIGHT;
} else if (point.y() < top_resize_border_height) {
if (point.x() < resize_corner_width)
component = HTTOPLEFT;
else if (point.x() >= (width() - resize_corner_width))
component = HTTOPRIGHT;
else
component = HTTOP;
} else if (point.y() >= (height() - resize_border_thickness)) {
if (point.x() < resize_corner_width)
component = HTBOTTOMLEFT;
else if (point.x() >= (width() - resize_corner_width))
component = HTBOTTOMRIGHT;
else
component = HTBOTTOM;
} else {
return HTNOWHERE;
}
// If the window can't be resized, there are no resize boundaries, just
// window borders.
return can_resize ? component : HTBORDER;
}
} // namespace views
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