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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 #include "chrome/browser/ui/views/frame/minimize_button_metrics_win.h" | 5 #include "chrome/browser/ui/views/frame/minimize_button_metrics_win.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/i18n/rtl.h" | 8 #include "base/i18n/rtl.h" |
9 #include "ui/base/win/shell.h" | 9 #include "ui/base/win/shell.h" |
10 #include "ui/gfx/win/dpi.h" | 10 #include "ui/display/win/dpi.h" |
11 | 11 |
12 namespace { | 12 namespace { |
13 | 13 |
14 int GetMinimizeButtonOffsetForWindow(HWND hwnd) { | 14 int GetMinimizeButtonOffsetForWindow(HWND hwnd) { |
15 // The WM_GETTITLEBARINFOEX message can fail if we are not active/visible. By | 15 // The WM_GETTITLEBARINFOEX message can fail if we are not active/visible. By |
16 // fail we get a location of 0; the return status code is always the same and | 16 // fail we get a location of 0; the return status code is always the same and |
17 // similarly the state never seems to change (titlebar_info.rgstate). | 17 // similarly the state never seems to change (titlebar_info.rgstate). |
18 TITLEBARINFOEX titlebar_info = {0}; | 18 TITLEBARINFOEX titlebar_info = {0}; |
19 titlebar_info.cbSize = sizeof(TITLEBARINFOEX); | 19 titlebar_info.cbSize = sizeof(TITLEBARINFOEX); |
20 SendMessage(hwnd, WM_GETTITLEBARINFOEX, 0, | 20 SendMessage(hwnd, WM_GETTITLEBARINFOEX, 0, |
21 reinterpret_cast<WPARAM>(&titlebar_info)); | 21 reinterpret_cast<WPARAM>(&titlebar_info)); |
22 | 22 |
23 if (titlebar_info.rgrect[2].left == titlebar_info.rgrect[2].right || | 23 if (titlebar_info.rgrect[2].left == titlebar_info.rgrect[2].right || |
24 (titlebar_info.rgstate[2] & (STATE_SYSTEM_INVISIBLE | | 24 (titlebar_info.rgstate[2] & (STATE_SYSTEM_INVISIBLE | |
25 STATE_SYSTEM_OFFSCREEN | | 25 STATE_SYSTEM_OFFSCREEN | |
26 STATE_SYSTEM_UNAVAILABLE))) { | 26 STATE_SYSTEM_UNAVAILABLE))) { |
27 return 0; | 27 return 0; |
28 } | 28 } |
29 | 29 |
30 // WM_GETTITLEBARINFOEX returns rects in screen coordinates in pixels. | 30 // WM_GETTITLEBARINFOEX returns rects in screen coordinates in pixels. |
31 // We need to convert the minimize button corner offset to DIP before | 31 // We need to convert the minimize button corner offset to DIP before |
32 // returning it. | 32 // returning it. |
33 POINT minimize_button_corner = { titlebar_info.rgrect[2].left, 0 }; | 33 POINT minimize_button_corner = { titlebar_info.rgrect[2].left, 0 }; |
34 MapWindowPoints(HWND_DESKTOP, hwnd, &minimize_button_corner, 1); | 34 MapWindowPoints(HWND_DESKTOP, hwnd, &minimize_button_corner, 1); |
35 return minimize_button_corner.x / gfx::GetDPIScale(); | 35 return minimize_button_corner.x / display::win::GetDPIScale(); |
36 } | 36 } |
37 | 37 |
38 } // namespace | 38 } // namespace |
39 | 39 |
40 // static | 40 // static |
41 int MinimizeButtonMetrics::last_cached_minimize_button_x_delta_ = 0; | 41 int MinimizeButtonMetrics::last_cached_minimize_button_x_delta_ = 0; |
42 | 42 |
43 MinimizeButtonMetrics::MinimizeButtonMetrics() | 43 MinimizeButtonMetrics::MinimizeButtonMetrics() |
44 : hwnd_(nullptr), | 44 : hwnd_(nullptr), |
45 cached_minimize_button_x_delta_(last_cached_minimize_button_x_delta_), | 45 cached_minimize_button_x_delta_(last_cached_minimize_button_x_delta_), |
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
95 cached_minimize_button_x_delta_ = minimize_button_offset; | 95 cached_minimize_button_x_delta_ = minimize_button_offset; |
96 } else { | 96 } else { |
97 RECT client_rect = {0}; | 97 RECT client_rect = {0}; |
98 GetClientRect(hwnd_, &client_rect); | 98 GetClientRect(hwnd_, &client_rect); |
99 cached_minimize_button_x_delta_ = | 99 cached_minimize_button_x_delta_ = |
100 client_rect.right - minimize_button_offset; | 100 client_rect.right - minimize_button_offset; |
101 } | 101 } |
102 last_cached_minimize_button_x_delta_ = cached_minimize_button_x_delta_; | 102 last_cached_minimize_button_x_delta_ = cached_minimize_button_x_delta_; |
103 return minimize_button_offset; | 103 return minimize_button_offset; |
104 } | 104 } |
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