1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// 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_
|
