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Diffstat (limited to 'views/controls/hwnd_view.h')
-rw-r--r-- | views/controls/hwnd_view.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/views/controls/hwnd_view.h b/views/controls/hwnd_view.h new file mode 100644 index 0000000..a8d52b3 --- /dev/null +++ b/views/controls/hwnd_view.h @@ -0,0 +1,66 @@ +// 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. + +#ifndef VIEWS_CONTROLS_HWND_VIEW_H_ +#define VIEWS_CONTROLS_HWND_VIEW_H_ + +#include <string> + +#include "views/controls/native_view_host.h" + +namespace views { + +///////////////////////////////////////////////////////////////////////////// +// +// HWNDView class +// +// The HWNDView class hosts a native window handle (HWND) sizing it +// according to the bounds of the view. This is useful whenever you need to +// show a UI control that has a HWND (e.g. a native windows Edit control) +// within thew View hierarchy and benefit from the sizing/layout. +// +///////////////////////////////////////////////////////////////////////////// +// TODO: Rename this to NativeViewHostWin. +class HWNDView : public NativeViewHost { + public: + HWNDView(); + virtual ~HWNDView(); + + // Attach a window handle to this View, making the window it represents + // subject to sizing according to this View's parent container's Layout + // Manager's sizing heuristics. + // + // This object should be added to the view hierarchy before calling this + // function, which will expect the parent to be valid. + void Attach(HWND hwnd); + + // Detach the attached window handle. It will no longer be updated + void Detach(); + + // TODO(sky): convert this to native_view(). + HWND GetHWND() const { return native_view(); } + + virtual void Paint(ChromeCanvas* canvas); + + // Overridden from View. + virtual std::string GetClassName() const; + + protected: + virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child); + + virtual void Focus(); + + // NativeHostView overrides. + virtual void InstallClip(int x, int y, int w, int h); + virtual void UninstallClip(); + virtual void ShowWidget(int x, int y, int w, int h); + virtual void HideWidget(); + + private: + DISALLOW_COPY_AND_ASSIGN(HWNDView); +}; + +} // namespace views + +#endif // VIEWS_CONTROLS_HWND_VIEW_H_ |