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1 /* | 1 /* |
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ight reserved. | 3 * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All r
ight reserved. |
4 * Copyright (C) 2010 Google Inc. All rights reserved. | 4 * Copyright (C) 2010 Google Inc. All rights reserved. |
5 * | 5 * |
6 * This library is free software; you can redistribute it and/or | 6 * This library is free software; you can redistribute it and/or |
7 * modify it under the terms of the GNU Library General Public | 7 * modify it under the terms of the GNU Library General Public |
8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
9 * version 2 of the License, or (at your option) any later version. | 9 * version 2 of the License, or (at your option) any later version. |
10 * | 10 * |
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1925 else | 1925 else |
1926 curr->adjustLogicalPosition(-(curr->logicalLeft() - logicalLeft)
, 0); | 1926 curr->adjustLogicalPosition(-(curr->logicalLeft() - logicalLeft)
, 0); |
1927 } | 1927 } |
1928 firstLine = false; | 1928 firstLine = false; |
1929 } | 1929 } |
1930 } | 1930 } |
1931 | 1931 |
1932 void RenderBlockFlow::checkLinesForTextOverflow() | 1932 void RenderBlockFlow::checkLinesForTextOverflow() |
1933 { | 1933 { |
1934 // Determine the width of the ellipsis using the current font. | 1934 // Determine the width of the ellipsis using the current font. |
1935 // FIXME: CSS3 says this is configurable, also need to use 0x002E (FULL STOP
) if horizontal ellipsis is "not renderable" | |
1936 const Font& font = style()->font(); | 1935 const Font& font = style()->font(); |
| 1936 |
| 1937 const UChar fullStopString[] = {fullstopCharacter, fullstopCharacter, fullst
opCharacter}; |
| 1938 DEFINE_STATIC_LOCAL(AtomicString, fullstopCharacterStr, (fullStopString, 3))
; |
1937 DEFINE_STATIC_LOCAL(AtomicString, ellipsisStr, (&horizontalEllipsis, 1)); | 1939 DEFINE_STATIC_LOCAL(AtomicString, ellipsisStr, (&horizontalEllipsis, 1)); |
| 1940 |
1938 const Font& firstLineFont = firstLineStyle()->font(); | 1941 const Font& firstLineFont = firstLineStyle()->font(); |
1939 // FIXME: We should probably not hard-code the direction here. https://crbug
.com/333004 | 1942 // FIXME: We should probably not hard-code the direction here. https://crbug
.com/333004 |
1940 TextDirection ellipsisDirection = LTR; | 1943 TextDirection ellipsisDirection = LTR; |
1941 float firstLineEllipsisWidth = firstLineFont.width(constructTextRun(this, fi
rstLineFont, &horizontalEllipsis, 1, firstLineStyle(), ellipsisDirection)); | 1944 float firstLineEllipsisWidth = 0; |
1942 float ellipsisWidth = (font == firstLineFont) ? firstLineEllipsisWidth : fon
t.width(constructTextRun(this, font, &horizontalEllipsis, 1, style(), ellipsisDi
rection)); | 1945 float ellipsisWidth = 0; |
| 1946 |
| 1947 // As per CSS3 http://www.w3.org/TR/2003/CR-css3-text-20030514/ sequence of
three |
| 1948 // Full Stops (002E) can be used. |
| 1949 if (firstLineFont.primaryFontHasGlyphForCharacter(horizontalEllipsis)) { |
| 1950 firstLineEllipsisWidth = firstLineFont.width(constructTextRun(this, firs
tLineFont, &horizontalEllipsis, 1, firstLineStyle(), ellipsisDirection)); |
| 1951 } else { |
| 1952 ellipsisStr = fullstopCharacterStr; |
| 1953 firstLineEllipsisWidth = firstLineFont.width(constructTextRun(this, firs
tLineFont, &fullstopCharacter, 1, firstLineStyle(), ellipsisDirection)) * 3; |
| 1954 } |
| 1955 ellipsisWidth = (font == firstLineFont) ? firstLineEllipsisWidth : 0; |
| 1956 |
| 1957 if (!ellipsisWidth) { |
| 1958 if (font.primaryFontHasGlyphForCharacter(horizontalEllipsis)) |
| 1959 ellipsisWidth = font.width(constructTextRun(this, font, &horizontalE
llipsis, 1, style(), ellipsisDirection)); |
| 1960 else |
| 1961 ellipsisWidth = font.width(constructTextRun(this, font, &fullstopCha
racter, 1, style(), ellipsisDirection)) * 3; |
| 1962 } |
1943 | 1963 |
1944 // For LTR text truncation, we want to get the right edge of our padding box
, and then we want to see | 1964 // For LTR text truncation, we want to get the right edge of our padding box
, and then we want to see |
1945 // if the right edge of a line box exceeds that. For RTL, we use the left e
dge of the padding box and | 1965 // if the right edge of a line box exceeds that. For RTL, we use the left e
dge of the padding box and |
1946 // check the left edge of the line box to see if it is less | 1966 // check the left edge of the line box to see if it is less |
1947 // Include the scrollbar for overflow blocks, which means we want to use "co
ntentWidth()" | 1967 // Include the scrollbar for overflow blocks, which means we want to use "co
ntentWidth()" |
1948 bool ltr = style()->isLeftToRightDirection(); | 1968 bool ltr = style()->isLeftToRightDirection(); |
1949 ETextAlign textAlign = style()->textAlign(); | 1969 ETextAlign textAlign = style()->textAlign(); |
1950 bool firstLine = true; | 1970 bool firstLine = true; |
1951 for (RootInlineBox* curr = firstRootBox(); curr; curr = curr->nextRootBox())
{ | 1971 for (RootInlineBox* curr = firstRootBox(); curr; curr = curr->nextRootBox())
{ |
1952 float currLogicalLeft = curr->logicalLeft(); | 1972 float currLogicalLeft = curr->logicalLeft(); |
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2042 float logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false).toFloat
(); | 2062 float logicalLeft = logicalLeftOffsetForLine(logicalHeight(), false).toFloat
(); |
2043 float availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), fal
se) - logicalLeft; | 2063 float availableLogicalWidth = logicalRightOffsetForLine(logicalHeight(), fal
se) - logicalLeft; |
2044 updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWid
th, availableLogicalWidth, 0); | 2064 updateLogicalWidthForAlignment(textAlign, 0, 0, logicalLeft, totalLogicalWid
th, availableLogicalWidth, 0); |
2045 | 2065 |
2046 if (!style()->isLeftToRightDirection()) | 2066 if (!style()->isLeftToRightDirection()) |
2047 return logicalWidth() - logicalLeft; | 2067 return logicalWidth() - logicalLeft; |
2048 return logicalLeft; | 2068 return logicalLeft; |
2049 } | 2069 } |
2050 | 2070 |
2051 } | 2071 } |
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