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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_BASE_L10N_L10N_UTIL_WIN_H_ | 5 #ifndef UI_BASE_L10N_L10N_UTIL_WIN_H_ |
| 6 #define UI_BASE_L10N_L10N_UTIL_WIN_H_ | 6 #define UI_BASE_L10N_L10N_UTIL_WIN_H_ |
| 7 | 7 |
| 8 #include <windows.h> | 8 #include <windows.h> |
| 9 #include <string> | 9 #include <string> |
| 10 #include <vector> | 10 #include <vector> |
| 11 | 11 |
| 12 #include "base/strings/string16.h" | 12 #include "base/strings/string16.h" |
| 13 #include "ui/base/ui_export.h" | 13 #include "ui/base/ui_base_export.h" |
| 14 | 14 |
| 15 namespace l10n_util { | 15 namespace l10n_util { |
| 16 | 16 |
| 17 // Returns the locale-dependent extended window styles. | 17 // Returns the locale-dependent extended window styles. |
| 18 // This function is used for adding locale-dependent extended window styles | 18 // This function is used for adding locale-dependent extended window styles |
| 19 // (e.g. WS_EX_LAYOUTRTL, WS_EX_RTLREADING, etc.) when creating a window. | 19 // (e.g. WS_EX_LAYOUTRTL, WS_EX_RTLREADING, etc.) when creating a window. |
| 20 // Callers should OR this value into their extended style value when creating | 20 // Callers should OR this value into their extended style value when creating |
| 21 // a window. | 21 // a window. |
| 22 UI_EXPORT int GetExtendedStyles(); | 22 UI_BASE_EXPORT int GetExtendedStyles(); |
| 23 | 23 |
| 24 // TODO(xji): | 24 // TODO(xji): |
| 25 // This is a temporary name, it will eventually replace GetExtendedStyles | 25 // This is a temporary name, it will eventually replace GetExtendedStyles |
| 26 UI_EXPORT int GetExtendedTooltipStyles(); | 26 UI_BASE_EXPORT int GetExtendedTooltipStyles(); |
| 27 | 27 |
| 28 // Give an HWND, this function sets the WS_EX_LAYOUTRTL extended style for the | 28 // Give an HWND, this function sets the WS_EX_LAYOUTRTL extended style for the |
| 29 // underlying window. When this style is set, the UI for the window is going to | 29 // underlying window. When this style is set, the UI for the window is going to |
| 30 // be mirrored. This is generally done for the UI of right-to-left languages | 30 // be mirrored. This is generally done for the UI of right-to-left languages |
| 31 // such as Hebrew. | 31 // such as Hebrew. |
| 32 UI_EXPORT void HWNDSetRTLLayout(HWND hwnd); | 32 UI_BASE_EXPORT void HWNDSetRTLLayout(HWND hwnd); |
| 33 | 33 |
| 34 // See http://blogs.msdn.com/oldnewthing/archive/2005/09/15/467598.aspx | 34 // See http://blogs.msdn.com/oldnewthing/archive/2005/09/15/467598.aspx |
| 35 // and http://blogs.msdn.com/oldnewthing/archive/2006/06/26/647365.aspx | 35 // and http://blogs.msdn.com/oldnewthing/archive/2006/06/26/647365.aspx |
| 36 // as to why we need these three functions. | 36 // as to why we need these three functions. |
| 37 | 37 |
| 38 // Return true if the default font (we get from Windows) is not suitable | 38 // Return true if the default font (we get from Windows) is not suitable |
| 39 // to use in the UI of the current UI (e.g. Malayalam, Bengali). If | 39 // to use in the UI of the current UI (e.g. Malayalam, Bengali). If |
| 40 // override_font_family and font_size_scaler are not null, they'll be | 40 // override_font_family and font_size_scaler are not null, they'll be |
| 41 // filled with the font family name and the size scaler. The output | 41 // filled with the font family name and the size scaler. The output |
| 42 // parameters are not modified if the return value is false. | 42 // parameters are not modified if the return value is false. |
| 43 UI_EXPORT bool NeedOverrideDefaultUIFont(base::string16* override_font_family, | 43 UI_BASE_EXPORT bool NeedOverrideDefaultUIFont( |
| 44 double* font_size_scaler); | 44 base::string16* override_font_family, |
| 45 double* font_size_scaler); |
| 45 | 46 |
| 46 // If the default UI font stored in |logfont| is not suitable, its family | 47 // If the default UI font stored in |logfont| is not suitable, its family |
| 47 // and size are replaced with those stored in the per-locale resource. The | 48 // and size are replaced with those stored in the per-locale resource. The |
| 48 // font size is adjusted based on the font scale setting in the OS preferences. | 49 // font size is adjusted based on the font scale setting in the OS preferences. |
| 49 // Windows 8 supports scale factors of 1, 1.4 and 1.8. | 50 // Windows 8 supports scale factors of 1, 1.4 and 1.8. |
| 50 UI_EXPORT void AdjustUIFont(LOGFONT* logfont); | 51 UI_BASE_EXPORT void AdjustUIFont(LOGFONT* logfont); |
| 51 | 52 |
| 52 // If the default UI font stored in |logfont| is not suitable, its family | 53 // If the default UI font stored in |logfont| is not suitable, its family |
| 53 // and size are replaced with those stored in the per-locale resource. The | 54 // and size are replaced with those stored in the per-locale resource. The |
| 54 // |dpi_scale| is the ratio of the OS setting for dots per inch relative to the | 55 // |dpi_scale| is the ratio of the OS setting for dots per inch relative to the |
| 55 // baseline of 96 DPI. This ratio is also used for converting sizes from | 56 // baseline of 96 DPI. This ratio is also used for converting sizes from |
| 56 // device independent pixels (DIP) to physical pixels. The font size is scaled | 57 // device independent pixels (DIP) to physical pixels. The font size is scaled |
| 57 // for use with Views and Aura which work in DIP. | 58 // for use with Views and Aura which work in DIP. |
| 58 UI_EXPORT void AdjustUIFontForDIP(float dpi_scale, LOGFONT* logfont); | 59 UI_BASE_EXPORT void AdjustUIFontForDIP(float dpi_scale, LOGFONT* logfont); |
| 59 | 60 |
| 60 // If the font for a given window (pointed to by HWND) is not suitable for the | 61 // If the font for a given window (pointed to by HWND) is not suitable for the |
| 61 // UI in the current UI langauge, its family and size are replaced with those | 62 // UI in the current UI langauge, its family and size are replaced with those |
| 62 // stored in the per-locale resource. | 63 // stored in the per-locale resource. |
| 63 UI_EXPORT void AdjustUIFontForWindow(HWND hwnd); | 64 UI_BASE_EXPORT void AdjustUIFontForWindow(HWND hwnd); |
| 64 | 65 |
| 65 // Allow processes to override the configured locale with the user's Windows UI | 66 // Allow processes to override the configured locale with the user's Windows UI |
| 66 // languages. This function should generally be called once early in | 67 // languages. This function should generally be called once early in |
| 67 // Application startup. | 68 // Application startup. |
| 68 UI_EXPORT void OverrideLocaleWithUILanguageList(); | 69 UI_BASE_EXPORT void OverrideLocaleWithUILanguageList(); |
| 69 | 70 |
| 70 // Retrieve the locale override, or an empty vector if the locale has not been | 71 // Retrieve the locale override, or an empty vector if the locale has not been |
| 71 // or failed to be overridden. | 72 // or failed to be overridden. |
| 72 const std::vector<std::string>& GetLocaleOverrides(); | 73 const std::vector<std::string>& GetLocaleOverrides(); |
| 73 | 74 |
| 74 } // namespace l10n_util | 75 } // namespace l10n_util |
| 75 | 76 |
| 76 #endif // UI_BASE_L10N_L10N_UTIL_WIN_H_ | 77 #endif // UI_BASE_L10N_L10N_UTIL_WIN_H_ |
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