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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 #include "views/focus/focus_util_win.h" | 5 #include "views/focus/focus_util_win.h" |
6 | 6 |
7 #include <windowsx.h> | 7 #include <windowsx.h> |
8 | 8 |
| 9 #include "app/win/hwnd_util.h" |
9 #include "app/view_prop.h" | 10 #include "app/view_prop.h" |
10 #include "base/auto_reset.h" | 11 #include "base/auto_reset.h" |
11 #include "base/win_util.h" | 12 #include "base/win_util.h" |
12 | 13 |
13 using app::ViewProp; | 14 using app::ViewProp; |
14 | 15 |
15 namespace views { | 16 namespace views { |
16 | 17 |
17 // Property used to indicate the HWND supports having mouse wheel messages | 18 // Property used to indicate the HWND supports having mouse wheel messages |
18 // rerouted to it. | 19 // rerouted to it. |
19 static const char* const kHWNDSupportMouseWheelRerouting = | 20 static const char* const kHWNDSupportMouseWheelRerouting = |
20 "__HWND_MW_REROUTE_OK"; | 21 "__HWND_MW_REROUTE_OK"; |
21 | 22 |
22 static bool WindowSupportsRerouteMouseWheel(HWND window) { | 23 static bool WindowSupportsRerouteMouseWheel(HWND window) { |
23 while (GetWindowLong(window, GWL_STYLE) & WS_CHILD) { | 24 while (GetWindowLong(window, GWL_STYLE) & WS_CHILD) { |
24 if (!IsWindow(window)) | 25 if (!IsWindow(window)) |
25 break; | 26 break; |
26 | 27 |
27 if (reinterpret_cast<bool>( | 28 if (reinterpret_cast<bool>( |
28 ViewProp::GetValue(window, kHWNDSupportMouseWheelRerouting))) { | 29 ViewProp::GetValue(window, kHWNDSupportMouseWheelRerouting))) { |
29 return true; | 30 return true; |
30 } | 31 } |
31 window = GetParent(window); | 32 window = GetParent(window); |
32 } | 33 } |
33 return false; | 34 return false; |
34 } | 35 } |
35 | 36 |
36 static bool IsCompatibleWithMouseWheelRedirection(HWND window) { | 37 static bool IsCompatibleWithMouseWheelRedirection(HWND window) { |
37 std::wstring class_name = win_util::GetClassName(window); | 38 std::wstring class_name = app::win::GetClassName(window); |
38 // Mousewheel redirection to comboboxes is a surprising and | 39 // Mousewheel redirection to comboboxes is a surprising and |
39 // undesireable user behavior. | 40 // undesireable user behavior. |
40 return !(class_name == L"ComboBox" || | 41 return !(class_name == L"ComboBox" || |
41 class_name == L"ComboBoxEx32"); | 42 class_name == L"ComboBoxEx32"); |
42 } | 43 } |
43 | 44 |
44 static bool CanRedirectMouseWheelFrom(HWND window) { | 45 static bool CanRedirectMouseWheelFrom(HWND window) { |
45 std::wstring class_name = win_util::GetClassName(window); | 46 std::wstring class_name = app::win::GetClassName(window); |
46 | 47 |
47 // Older Thinkpad mouse wheel drivers create a window under mouse wheel | 48 // Older Thinkpad mouse wheel drivers create a window under mouse wheel |
48 // pointer. Detect if we are dealing with this window. In this case we | 49 // pointer. Detect if we are dealing with this window. In this case we |
49 // don't need to do anything as the Thinkpad mouse driver will send | 50 // don't need to do anything as the Thinkpad mouse driver will send |
50 // mouse wheel messages to the right window. | 51 // mouse wheel messages to the right window. |
51 if ((class_name == L"Syn Visual Class") || | 52 if ((class_name == L"Syn Visual Class") || |
52 (class_name == L"SynTrackCursorWindowClass")) | 53 (class_name == L"SynTrackCursorWindowClass")) |
53 return false; | 54 return false; |
54 | 55 |
55 return true; | 56 return true; |
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112 } | 113 } |
113 // If redirection is disallowed, try the parent. | 114 // If redirection is disallowed, try the parent. |
114 window_under_wheel = GetAncestor(window_under_wheel, GA_PARENT); | 115 window_under_wheel = GetAncestor(window_under_wheel, GA_PARENT); |
115 } | 116 } |
116 // If we traversed back to the starting point, we should process | 117 // If we traversed back to the starting point, we should process |
117 // this message normally; return false. | 118 // this message normally; return false. |
118 return false; | 119 return false; |
119 } | 120 } |
120 | 121 |
121 } // namespace views | 122 } // namespace views |
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