| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_GFX_TEXT_CONSTANTS_H_ |
| #define UI_GFX_TEXT_CONSTANTS_H_ |
| |
| namespace gfx { |
| |
| // TODO(msw): Distinguish between logical character stops and glyph stops? |
| // TODO(msw): Merge with base::i18n::BreakIterator::BreakType. |
| enum BreakType { |
| CHARACTER_BREAK = 0, // Stop cursor movement on neighboring characters. |
| WORD_BREAK, // Stop cursor movement on nearest word boundaries. |
| LINE_BREAK, // Stop cursor movement on line ends as shown on screen. |
| }; |
| |
| // Horizontal text alignment modes. |
| enum HorizontalAlignment { |
| ALIGN_LEFT = 0, // Align the text's left edge with that of its display area. |
| ALIGN_CENTER, // Align the text's center with that of its display area. |
| ALIGN_RIGHT, // Align the text's right edge with that of its display area. |
| ALIGN_TO_HEAD, // Align the text to its first strong character's direction. |
| }; |
| |
| // The directionality modes used to determine the base text direction. |
| enum DirectionalityMode { |
| DIRECTIONALITY_FROM_TEXT = 0, // Use the first strong character's direction. |
| DIRECTIONALITY_FROM_UI, // Use the UI locale's text reading direction. |
| DIRECTIONALITY_FORCE_LTR, // Use LTR regardless of content or UI locale. |
| DIRECTIONALITY_FORCE_RTL, // Use RTL regardless of content or UI locale. |
| }; |
| |
| // Text styles and adornments. |
| // TODO(msw): Merge with gfx::Font::FontStyle. |
| enum TextStyle { |
| BOLD = 0, |
| ITALIC, |
| STRIKE, |
| DIAGONAL_STRIKE, |
| UNDERLINE, |
| NUM_TEXT_STYLES, |
| }; |
| |
| // Elision behaviors of text that exceeds constrained dimensions. |
| enum ElideBehavior { |
| NO_ELIDE = 0, // Do not modify the text, it may overflow its available bounds. |
| TRUNCATE, // Do not elide or fade, just truncate at the end of the string. |
| ELIDE_HEAD, // Add an ellipsis at the start of the string. |
| ELIDE_MIDDLE, // Add an ellipsis in the middle of the string. |
| ELIDE_TAIL, // Add an ellipsis at the end of the string. |
| ELIDE_EMAIL, // Add ellipses to username and domain substrings. |
| FADE_TAIL, // Fade the string's end opposite of its horizontal alignment. |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_TEXT_CONSTANTS_H_ |