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 3 // found in the LICENSE file. 4 5 #ifndef UI_GFX_TEXT_CONSTANTS_H_ 6 #define UI_GFX_TEXT_CONSTANTS_H_ 7 8 namespace gfx { 9 10 // TODO(msw): Distinguish between logical character stops and glyph stops? 11 // TODO(msw): Merge with base::i18n::BreakIterator::BreakType. 12 enum BreakType { 13 // Stop cursor movement on neighboring characters. 14 CHARACTER_BREAK = 0, 15 // Stop cursor movement on nearest word boundaries. 16 WORD_BREAK, 17 // Stop cursor movement on line ends as shown on screen. 18 LINE_BREAK, 19 }; 20 21 // Horizontal text alignment modes. 22 enum HorizontalAlignment { 23 // Align the text's left edge with that of its display area. 24 ALIGN_LEFT = 0, 25 // Align the text's center with that of its display area. 26 ALIGN_CENTER, 27 // Align the text's right edge with that of its display area. 28 ALIGN_RIGHT, 29 }; 30 31 // The directionality modes used to determine the base text direction. 32 enum DirectionalityMode { 33 // Use the first strong character's direction. 34 DIRECTIONALITY_FROM_TEXT = 0, 35 // Use the UI locale's text reading direction. 36 DIRECTIONALITY_FROM_UI, 37 // Use LTR regardless of content or UI locale. 38 DIRECTIONALITY_FORCE_LTR, 39 // Use RTL regardless of content or UI locale. 40 DIRECTIONALITY_FORCE_RTL, 41 }; 42 43 // Text styles and adornments. 44 // TODO(msw): Merge with gfx::Font::FontStyle. 45 enum TextStyle { 46 BOLD = 0, 47 ITALIC, 48 STRIKE, 49 DIAGONAL_STRIKE, 50 UNDERLINE, 51 NUM_TEXT_STYLES, 52 }; 53 54 } // namespace gfx 55 56 #endif // UI_GFX_TEXT_CONSTANTS_H_ 57