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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 // | |
| 5 // This file defines utility functions for working with text in views. | |
| 6 | 4 |
| 7 #ifndef VIEWS_VIEW_TEXT_UTILS_H_ | 5 #ifndef UI_VIEWS_VIEW_TEXT_UTILS_H_ |
| 8 #define VIEWS_VIEW_TEXT_UTILS_H_ | 6 #define UI_VIEWS_VIEW_TEXT_UTILS_H_ |
| 9 #pragma once | 7 #pragma once |
| 10 | 8 |
| 11 #include "base/string16.h" | 9 #include "base/string16.h" |
| 12 #include "views/views_export.h" | 10 #include "ui/views/views_export.h" |
| 13 | 11 |
| 14 namespace gfx { | 12 namespace gfx { |
| 15 class Canvas; | 13 class Canvas; |
| 16 class Font; | 14 class Font; |
| 17 class Rect; | 15 class Rect; |
| 18 class Size; | 16 class Size; |
| 19 } | 17 } |
| 20 | 18 |
| 21 namespace views { | 19 namespace views { |
| 22 class Label; | 20 class Label; |
| 23 class Link; | 21 class Link; |
| 24 } | 22 } |
| 25 | 23 |
| 24 // This file defines utility functions for working with text in views. |
| 25 |
| 26 namespace view_text_utils { | 26 namespace view_text_utils { |
| 27 | 27 |
| 28 // Draws a string onto the canvas (wrapping if needed) while also keeping | 28 // Draws a string onto the canvas (wrapping if needed) while also keeping |
| 29 // track of where it ends so we can position a URL after the text. The | 29 // track of where it ends so we can position a URL after the text. The |
| 30 // parameter |bounds| represents the boundary we have to work with, |position| | 30 // parameter |bounds| represents the boundary we have to work with, |position| |
| 31 // specifies where to draw the string (relative to the top left corner of the | 31 // specifies where to draw the string (relative to the top left corner of the |
| 32 // |bounds| rectangle and |font| specifies the font to use when drawing. When | 32 // |bounds| rectangle and |font| specifies the font to use when drawing. When |
| 33 // the function returns, the parameter |rect| contains where to draw the URL | 33 // the function returns, the parameter |rect| contains where to draw the URL |
| 34 // (to the right of where we just drew the text) and |position| is updated to | 34 // (to the right of where we just drew the text) and |position| is updated to |
| 35 // reflect where to draw the next string after the URL. |label| is a dummy | 35 // reflect where to draw the next string after the URL. |label| is a dummy |
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| 66 // A simply utility function that calculates whether a word of width | 66 // A simply utility function that calculates whether a word of width |
| 67 // |word_width| fits at position |position| within the |bounds| rectangle. If | 67 // |word_width| fits at position |position| within the |bounds| rectangle. If |
| 68 // not, |position| is updated to wrap to the beginning of the next line. | 68 // not, |position| is updated to wrap to the beginning of the next line. |
| 69 void WrapIfWordDoesntFit(int word_width, | 69 void WrapIfWordDoesntFit(int word_width, |
| 70 int font_height, | 70 int font_height, |
| 71 gfx::Size* position, | 71 gfx::Size* position, |
| 72 const gfx::Rect& bounds); | 72 const gfx::Rect& bounds); |
| 73 | 73 |
| 74 } // namespace view_text_utils | 74 } // namespace view_text_utils |
| 75 | 75 |
| 76 #endif // CHROME_BROWSER_VIEWS_VIEW_TEXT_UTILS_H_ | 76 #endif // UI_VIEWS_VIEW_TEXT_UTILS_H_ |
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