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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef UI_GFX_WIN_HWND_UTIL_H_ | 5 #ifndef UI_GFX_WIN_HWND_UTIL_H_ |
| 6 #define UI_GFX_WIN_HWND_UTIL_H_ | 6 #define UI_GFX_WIN_HWND_UTIL_H_ |
| 7 | 7 |
| 8 #include <windows.h> | 8 #include <windows.h> |
| 9 | 9 |
| 10 #include "base/strings/string16.h" | 10 #include "base/strings/string16.h" |
| 11 #include "ui/gfx/gfx_export.h" | 11 #include "ui/gfx/gfx_export.h" |
| 12 | 12 |
| 13 namespace gfx { | 13 namespace gfx { |
| 14 class Point; | 14 class Point; |
| 15 class Size; | 15 class Size; |
| 16 | 16 |
| 17 // A version of the GetClassNameW API that returns the class name in an | 17 // A version of the GetClassNameW API that returns the class name in an |
| 18 // string16. An empty result indicates a failure to get the class name. | 18 // string16. An empty result indicates a failure to get the class name. |
| 19 UI_EXPORT string16 GetClassName(HWND hwnd); | 19 GFX_EXPORT string16 GetClassName(HWND hwnd); |
| 20 | 20 |
| 21 // Useful for subclassing a HWND. Returns the previous window procedure. | 21 // Useful for subclassing a HWND. Returns the previous window procedure. |
| 22 UI_EXPORT WNDPROC SetWindowProc(HWND hwnd, WNDPROC wndproc); | 22 GFX_EXPORT WNDPROC SetWindowProc(HWND hwnd, WNDPROC wndproc); |
| 23 | 23 |
| 24 // Pointer-friendly wrappers around Get/SetWindowLong(..., GWLP_USERDATA, ...) | 24 // Pointer-friendly wrappers around Get/SetWindowLong(..., GWLP_USERDATA, ...) |
| 25 // Returns the previously set value. | 25 // Returns the previously set value. |
| 26 UI_EXPORT void* SetWindowUserData(HWND hwnd, void* user_data); | 26 GFX_EXPORT void* SetWindowUserData(HWND hwnd, void* user_data); |
| 27 UI_EXPORT void* GetWindowUserData(HWND hwnd); | 27 GFX_EXPORT void* GetWindowUserData(HWND hwnd); |
| 28 | 28 |
| 29 // Returns true if the specified window is the current active top window or one | 29 // Returns true if the specified window is the current active top window or one |
| 30 // of its children. | 30 // of its children. |
| 31 UI_EXPORT bool DoesWindowBelongToActiveWindow(HWND window); | 31 GFX_EXPORT bool DoesWindowBelongToActiveWindow(HWND window); |
| 32 | 32 |
| 33 // Sizes the window to have a window size of |pref|, then centers the window | 33 // Sizes the window to have a window size of |pref|, then centers the window |
| 34 // over |parent|, ensuring the window fits on screen. | 34 // over |parent|, ensuring the window fits on screen. |
| 35 UI_EXPORT void CenterAndSizeWindow(HWND parent, | 35 GFX_EXPORT void CenterAndSizeWindow(HWND parent, |
| 36 HWND window, | 36 HWND window, |
|
sky
2013/09/24 19:11:40
nit: moar indenting
| |
| 37 const gfx::Size& pref); | 37 const gfx::Size& pref); |
| 38 | 38 |
| 39 // If |hwnd| is NULL logs various thing and CHECKs. Invoke right after calling | 39 // If |hwnd| is NULL logs various thing and CHECKs. Invoke right after calling |
| 40 // CreateWindow. | 40 // CreateWindow. |
| 41 UI_EXPORT void CheckWindowCreated(HWND hwnd); | 41 GFX_EXPORT void CheckWindowCreated(HWND hwnd); |
| 42 | 42 |
| 43 // Shows |window|'s system menu (at a specified |point| in screen coordinates). | 43 // Shows |window|'s system menu (at a specified |point| in screen coordinates). |
| 44 UI_EXPORT void ShowSystemMenu(HWND window); | 44 GFX_EXPORT void ShowSystemMenu(HWND window); |
| 45 UI_EXPORT void ShowSystemMenuAtPoint(HWND window, const gfx::Point& point); | 45 GFX_EXPORT void ShowSystemMenuAtPoint(HWND window, const gfx::Point& point); |
| 46 | 46 |
| 47 // Returns the window you can use to parent a top level window. | 47 // Returns the window you can use to parent a top level window. |
| 48 // Note that in some cases we create child windows not parented to its final | 48 // Note that in some cases we create child windows not parented to its final |
| 49 // container so in those cases you should pass true in |get_real_hwnd|. | 49 // container so in those cases you should pass true in |get_real_hwnd|. |
| 50 UI_EXPORT HWND GetWindowToParentTo(bool get_real_hwnd); | 50 GFX_EXPORT HWND GetWindowToParentTo(bool get_real_hwnd); |
| 51 | 51 |
| 52 } // namespace gfx | 52 } // namespace gfx |
| 53 | 53 |
| 54 #endif // UI_GFX_WIN_HWND_UTIL_H_ | 54 #endif // UI_GFX_WIN_HWND_UTIL_H_ |
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