/** * This file is part of the DOM implementation for KDE. * * Copyright (C) 1999 Lars Knoll (knoll@kde.org) * (C) 1999 Antti Koivisto (koivisto@kde.org) * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #include "config.h" #include "RenderListMarker.h" #include "CachedImage.h" #include "CharacterNames.h" #include "Document.h" #include "GraphicsContext.h" #include "ListMarkerBox.h" #include "RenderLayer.h" #include "RenderListItem.h" #include "RenderView.h" using namespace std; using namespace WTF; using namespace Unicode; namespace WebCore { const int cMarkerPadding = 7; static String toRoman(int number, bool upper) { // FIXME: CSS3 describes how to make this work for much larger numbers, // using overbars and special characters. It also specifies the characters // in the range U+2160 to U+217F instead of standard ASCII ones. if (number < 1 || number > 3999) return String::number(number); const int lettersSize = 12; // big enough for three each of I, X, C, and M UChar letters[lettersSize]; int length = 0; const UChar ldigits[] = { 'i', 'v', 'x', 'l', 'c', 'd', 'm' }; const UChar udigits[] = { 'I', 'V', 'X', 'L', 'C', 'D', 'M' }; const UChar* digits = upper ? udigits : ldigits; int d = 0; do { int num = number % 10; if (num % 5 < 4) for (int i = num % 5; i > 0; i--) letters[lettersSize - ++length] = digits[d]; if (num >= 4 && num <= 8) letters[lettersSize - ++length] = digits[d + 1]; if (num == 9) letters[lettersSize - ++length] = digits[d + 2]; if (num % 5 == 4) letters[lettersSize - ++length] = digits[d]; number /= 10; d += 2; } while (number); ASSERT(length <= lettersSize); return String(&letters[lettersSize - length], length); } static String toAlphabetic(int number, const UChar* alphabet, int alphabetSize) { ASSERT(alphabetSize >= 10); if (number < 1) return String::number(number); const int lettersSize = 10; // big enough for a 32-bit int, with a 10-letter alphabet UChar letters[lettersSize]; --number; letters[lettersSize - 1] = alphabet[number % alphabetSize]; int length = 1; while ((number /= alphabetSize) > 0) letters[lettersSize - ++length] = alphabet[number % alphabetSize - 1]; ASSERT(length <= lettersSize); return String(&letters[lettersSize - length], length); } static int toHebrewUnder1000(int number, UChar letters[5]) { // FIXME: CSS3 mentions various refinements not implemented here. // FIXME: Should take a look at Mozilla's HebrewToText function (in nsBulletFrame). ASSERT(number >= 0 && number < 1000); int length = 0; int fourHundreds = number / 400; for (int i = 0; i < fourHundreds; i++) letters[length++] = 1511 + 3; number %= 400; if (number / 100) letters[length++] = 1511 + (number / 100) - 1; number %= 100; if (number == 15 || number == 16) { letters[length++] = 1487 + 9; letters[length++] = 1487 + number - 9; } else { if (int tens = number / 10) { static const UChar hebrewTens[9] = { 1497, 1499, 1500, 1502, 1504, 1505, 1506, 1508, 1510 }; letters[length++] = hebrewTens[tens - 1]; } if (int ones = number % 10) letters[length++] = 1487 + ones; } ASSERT(length <= 5); return length; } static String toHebrew(int number) { // FIXME: CSS3 mentions ways to make this work for much larger numbers. if (number < 0 || number > 999999) return String::number(number); if (number == 0) { static const UChar hebrewZero[3] = { 0x05D0, 0x05E4, 0x05E1 }; return String(hebrewZero, 3); } const int lettersSize = 11; // big enough for two 5-digit sequences plus a quote mark between UChar letters[lettersSize]; int length; if (number < 1000) length = 0; else { length = toHebrewUnder1000(number / 1000, letters); letters[length++] = '\''; number = number % 1000; } length += toHebrewUnder1000(number, letters + length); ASSERT(length <= lettersSize); return String(letters, length); } static int toArmenianUnder10000(int number, bool upper, bool addCircumflex, UChar letters[9]) { ASSERT(number >= 0 && number < 10000); int length = 0; int lowerOffset = upper ? 0 : 0x0030; if (int thousands = number / 1000) if (thousands == 7) { letters[length++] = 0x0548 + lowerOffset; letters[length++] = 0x0552 + lowerOffset; if (addCircumflex) letters[length++] = 0x0302; } else { letters[length++] = (0x054C - 1 + lowerOffset) + thousands; if (addCircumflex) letters[length++] = 0x0302; } if (int hundreds = (number / 100) % 10) { letters[length++] = (0x0543 - 1 + lowerOffset) + hundreds; if (addCircumflex) letters[length++] = 0x0302; } if (int tens = (number / 10) % 10) { letters[length++] = (0x053A - 1 + lowerOffset) + tens; if (addCircumflex) letters[length++] = 0x0302; } if (int ones = number % 10) { letters[length++] = (0x531 - 1 + lowerOffset) + ones; if (addCircumflex) letters[length++] = 0x0302; } return length; } static String toArmenian(int number, bool upper) { if (number < 1 || number > 99999999) return String::number(number); const int lettersSize = 18; // twice what toArmenianUnder10000 needs UChar letters[lettersSize]; int length = toArmenianUnder10000(number / 10000, upper, true, letters); length += toArmenianUnder10000(number % 10000, upper, false, letters + length); ASSERT(length <= lettersSize); return String(letters, length); } static String toGeorgian(int number) { if (number < 1 || number > 19999) return String::number(number); const int lettersSize = 5; UChar letters[lettersSize]; int length = 0; if (number > 9999) letters[length++] = 0x10F5; if (int thousands = (number / 1000) % 10) { static const UChar georgianThousands[9] = { 0x10E9, 0x10EA, 0x10EB, 0x10EC, 0x10ED, 0x10EE, 0x10F4, 0x10EF, 0x10F0 }; letters[length++] = georgianThousands[thousands - 1]; } if (int hundreds = (number / 100) % 10) { static const UChar georgianHundreds[9] = { 0x10E0, 0x10E1, 0x10E2, 0x10F3, 0x10E4, 0x10E5, 0x10E6, 0x10E7, 0x10E8 }; letters[length++] = georgianHundreds[hundreds - 1]; } if (int tens = (number / 10) % 10) { static const UChar georgianTens[9] = { 0x10D8, 0x10D9, 0x10DA, 0x10DB, 0x10DC, 0x10F2, 0x10DD, 0x10DE, 0x10DF }; letters[length++] = georgianTens[tens - 1]; } if (int ones = number % 10) { static const UChar georgianOnes[9] = { 0x10D0, 0x10D1, 0x10D2, 0x10D3, 0x10D4, 0x10D5, 0x10D6, 0x10F1, 0x10D7 }; letters[length++] = georgianOnes[ones - 1]; } ASSERT(length <= lettersSize); return String(letters, length); } // The table uses the order from the CSS3 specification: // first 3 group markers, then 3 digit markers, then ten digits. static String toCJKIdeographic(int number, const UChar table[16]) { if (number < 0) return String::number(number); enum AbstractCJKChar { noChar, secondGroupMarker, thirdGroupMarker, fourthGroupMarker, secondDigitMarker, thirdDigitMarker, fourthDigitMarker, digit0, digit1, digit2, digit3, digit4, digit5, digit6, digit7, digit8, digit9 }; if (number == 0) return String(&table[digit0 - 1], 1); const int groupLength = 8; // 4 digits, 3 digit markers, and a group marker const int bufferLength = 4 * groupLength; AbstractCJKChar buffer[bufferLength] = { noChar }; for (int i = 0; i < 4; ++i) { int groupValue = number % 10000; number /= 10000; // Process least-significant group first, but put it in the buffer last. AbstractCJKChar* group = &buffer[(3 - i) * groupLength]; if (groupValue && i) group[7] = static_cast(secondGroupMarker - 1 + i); // Put in the four digits and digit markers for any non-zero digits. group[6] = static_cast(digit0 + (groupValue % 10)); if (number != 0 || groupValue > 9) { int digitValue = ((groupValue / 10) % 10); group[4] = static_cast(digit0 + digitValue); if (digitValue) group[5] = secondDigitMarker; } if (number != 0 || groupValue > 99) { int digitValue = ((groupValue / 100) % 10); group[2] = static_cast(digit0 + digitValue); if (digitValue) group[3] = thirdDigitMarker; } if (number != 0 || groupValue > 999) { int digitValue = groupValue / 1000; group[0] = static_cast(digit0 + digitValue); if (digitValue) group[1] = fourthDigitMarker; } // Remove the tens digit, but leave the marker, for any group that has // a value of less than 20. if (groupValue < 20) { ASSERT(group[4] == noChar || group[4] == digit0 || group[4] == digit1); group[4] = noChar; } if (number == 0) break; } // Convert into characters, omitting consecutive runs of digit0 and // any trailing digit0. int length = 0; UChar characters[bufferLength]; AbstractCJKChar last = noChar; for (int i = 0; i < bufferLength; ++i) { AbstractCJKChar a = buffer[i]; if (a != noChar) { if (a != digit0 || last != digit0) characters[length++] = table[a - 1]; last = a; } } if (last == digit0) --length; return String(characters, length); } String listMarkerText(EListStyleType type, int value) { switch (type) { case LNONE: return ""; // We use the same characters for text security. // See RenderText::setInternalString. case CIRCLE: return String(&whiteBullet, 1); case DISC: return String(&bullet, 1); case SQUARE: // The CSS 2.1 test suite uses U+25EE BLACK MEDIUM SMALL SQUARE // instead, but I think this looks better. return String(&blackSquare, 1); case LDECIMAL: return String::number(value); case DECIMAL_LEADING_ZERO: if (value < -9 || value > 9) return String::number(value); if (value < 0) return "-0" + String::number(-value); // -01 to -09 return "0" + String::number(value); // 00 to 09 case LOWER_ALPHA: case LOWER_LATIN: { static const UChar lowerLatinAlphabet[26] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z' }; return toAlphabetic(value, lowerLatinAlphabet, 26); } case UPPER_ALPHA: case UPPER_LATIN: { static const UChar upperLatinAlphabet[26] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' }; return toAlphabetic(value, upperLatinAlphabet, 26); } case LOWER_GREEK: { static const UChar lowerGreekAlphabet[24] = { 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0, 0x03C1, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9 }; return toAlphabetic(value, lowerGreekAlphabet, 24); } case HIRAGANA: { // FIXME: This table comes from the CSS3 draft, and is probably // incorrect, given the comments in that draft. static const UChar hiraganaAlphabet[48] = { 0x3042, 0x3044, 0x3046, 0x3048, 0x304A, 0x304B, 0x304D, 0x304F, 0x3051, 0x3053, 0x3055, 0x3057, 0x3059, 0x305B, 0x305D, 0x305F, 0x3061, 0x3064, 0x3066, 0x3068, 0x306A, 0x306B, 0x306C, 0x306D, 0x306E, 0x306F, 0x3072, 0x3075, 0x3078, 0x307B, 0x307E, 0x307F, 0x3080, 0x3081, 0x3082, 0x3084, 0x3086, 0x3088, 0x3089, 0x308A, 0x308B, 0x308C, 0x308D, 0x308F, 0x3090, 0x3091, 0x3092, 0x3093 }; return toAlphabetic(value, hiraganaAlphabet, 48); } case HIRAGANA_IROHA: { // FIXME: This table comes from the CSS3 draft, and is probably // incorrect, given the comments in that draft. static const UChar hiraganaIrohaAlphabet[47] = { 0x3044, 0x308D, 0x306F, 0x306B, 0x307B, 0x3078, 0x3068, 0x3061, 0x308A, 0x306C, 0x308B, 0x3092, 0x308F, 0x304B, 0x3088, 0x305F, 0x308C, 0x305D, 0x3064, 0x306D, 0x306A, 0x3089, 0x3080, 0x3046, 0x3090, 0x306E, 0x304A, 0x304F, 0x3084, 0x307E, 0x3051, 0x3075, 0x3053, 0x3048, 0x3066, 0x3042, 0x3055, 0x304D, 0x3086, 0x3081, 0x307F, 0x3057, 0x3091, 0x3072, 0x3082, 0x305B, 0x3059 }; return toAlphabetic(value, hiraganaIrohaAlphabet, 47); } case KATAKANA: { // FIXME: This table comes from the CSS3 draft, and is probably // incorrect, given the comments in that draft. static const UChar katakanaAlphabet[48] = { 0x30A2, 0x30A4, 0x30A6, 0x30A8, 0x30AA, 0x30AB, 0x30AD, 0x30AF, 0x30B1, 0x30B3, 0x30B5, 0x30B7, 0x30B9, 0x30BB, 0x30BD, 0x30BF, 0x30C1, 0x30C4, 0x30C6, 0x30C8, 0x30CA, 0x30CB, 0x30CC, 0x30CD, 0x30CE, 0x30CF, 0x30D2, 0x30D5, 0x30D8, 0x30DB, 0x30DE, 0x30DF, 0x30E0, 0x30E1, 0x30E2, 0x30E4, 0x30E6, 0x30E8, 0x30E9, 0x30EA, 0x30EB, 0x30EC, 0x30ED, 0x30EF, 0x30F0, 0x30F1, 0x30F2, 0x30F3 }; return toAlphabetic(value, katakanaAlphabet, 48); } case KATAKANA_IROHA: { // FIXME: This table comes from the CSS3 draft, and is probably // incorrect, given the comments in that draft. static const UChar katakanaIrohaAlphabet[47] = { 0x30A4, 0x30ED, 0x30CF, 0x30CB, 0x30DB, 0x30D8, 0x30C8, 0x30C1, 0x30EA, 0x30CC, 0x30EB, 0x30F2, 0x30EF, 0x30AB, 0x30E8, 0x30BF, 0x30EC, 0x30BD, 0x30C4, 0x30CD, 0x30CA, 0x30E9, 0x30E0, 0x30A6, 0x30F0, 0x30CE, 0x30AA, 0x30AF, 0x30E4, 0x30DE, 0x30B1, 0x30D5, 0x30B3, 0x30A8, 0x30C6, 0x30A2, 0x30B5, 0x30AD, 0x30E6, 0x30E1, 0x30DF, 0x30B7, 0x30F1, 0x30D2, 0x30E2, 0x30BB, 0x30B9 }; return toAlphabetic(value, katakanaIrohaAlphabet, 47); } case CJK_IDEOGRAPHIC: { static const UChar traditionalChineseInformalTable[16] = { 0x842C, 0x5104, 0x5146, 0x5341, 0x767E, 0x5343, 0x96F6, 0x4E00, 0x4E8C, 0x4E09, 0x56DB, 0x4E94, 0x516D, 0x4E03, 0x516B, 0x4E5D }; return toCJKIdeographic(value, traditionalChineseInformalTable); } case LOWER_ROMAN: return toRoman(value, false); case UPPER_ROMAN: return toRoman(value, true); case ARMENIAN: // CSS3 says "armenian" means "lower-armenian". // But the CSS2.1 test suite contains uppercase test results for "armenian", // so we'll match the test suite. return toArmenian(value, true); case GEORGIAN: return toGeorgian(value); case HEBREW: return toHebrew(value); } ASSERT_NOT_REACHED(); return ""; } RenderListMarker::RenderListMarker(RenderListItem* item) : RenderBox(item->document()) , m_image(0) , m_listItem(item) , m_selectionState(SelectionNone) { // init RenderObject attributes setInline(true); // our object is Inline setReplaced(true); // pretend to be replaced } RenderListMarker::~RenderListMarker() { if (m_image) m_image->deref(this); } void RenderListMarker::setStyle(RenderStyle* s) { if (style() && (s->listStylePosition() != style()->listStylePosition() || s->listStyleType() != style()->listStyleType())) setNeedsLayoutAndPrefWidthsRecalc(); RenderBox::setStyle(s); if (m_image != style()->listStyleImage()) { if (m_image) m_image->deref(this); m_image = style()->listStyleImage(); if (m_image) m_image->ref(this); } } InlineBox* RenderListMarker::createInlineBox(bool, bool isRootLineBox, bool) { ASSERT(!isRootLineBox); ListMarkerBox* box = new (renderArena()) ListMarkerBox(this); m_inlineBoxWrapper = box; return box; } bool RenderListMarker::isImage() const { return m_image && !m_image->errorOccurred(); } void RenderListMarker::paint(PaintInfo& paintInfo, int tx, int ty) { if (paintInfo.phase != PaintPhaseForeground) return; if (style()->visibility() != VISIBLE) return; IntRect marker = getRelativeMarkerRect(); marker.move(tx, ty); IntRect box(tx + m_x, ty + m_y, m_width, m_height); if (box.y() > paintInfo.rect.bottom() || box.y() + box.height() < paintInfo.rect.y()) return; if (hasBoxDecorations()) paintBoxDecorations(paintInfo, box.x(), box.y()); GraphicsContext* context = paintInfo.context; context->setFont(style()->font()); if (isImage()) { #if PLATFORM(MAC) if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled()) paintCustomHighlight(tx, ty, style()->highlight(), true); #endif context->drawImage(m_image->image(), marker.location()); if (!context->paintingDisabled()) m_image->liveResourceAccessed(); if (selectionState() != SelectionNone) context->fillRect(selectionRect(), selectionBackgroundColor()); return; } #if PLATFORM(MAC) // FIXME: paint gap between marker and list item proper if (style()->highlight() != nullAtom && !paintInfo.context->paintingDisabled()) paintCustomHighlight(tx, ty, style()->highlight(), true); #endif if (selectionState() != SelectionNone) context->fillRect(selectionRect(), selectionBackgroundColor()); const Color color(style()->color()); context->setStrokeColor(color); context->setStrokeStyle(SolidStroke); context->setStrokeThickness(1.0f); context->setFillColor(color); switch (style()->listStyleType()) { case DISC: context->drawEllipse(marker); return; case CIRCLE: context->setFillColor(Color::transparent); context->drawEllipse(marker); return; case SQUARE: context->drawRect(marker); return; case LNONE: return; case ARMENIAN: case CJK_IDEOGRAPHIC: case DECIMAL_LEADING_ZERO: case GEORGIAN: case HEBREW: case HIRAGANA: case HIRAGANA_IROHA: case KATAKANA: case KATAKANA_IROHA: case LDECIMAL: case LOWER_ALPHA: case LOWER_GREEK: case LOWER_LATIN: case LOWER_ROMAN: case UPPER_ALPHA: case UPPER_LATIN: case UPPER_ROMAN: break; } if (m_text.isEmpty()) return; TextRun textRun(m_text); // Text is not arbitrary. We can judge whether it's RTL from the first character, // and we only need to handle the direction RightToLeft for now. bool textNeedsReversing = direction(m_text[0]) == RightToLeft; Vector reversedText; if (textNeedsReversing) { int length = m_text.length(); reversedText.resize(length); for (int i = 0; i < length; ++i) reversedText[length - i - 1] = m_text[i]; textRun = TextRun(reversedText.data(), length); } const Font& font = style()->font(); if (style()->direction() == LTR) { int width = font.width(textRun); context->drawText(textRun, marker.location()); const UChar periodSpace[2] = { '.', ' ' }; context->drawText(TextRun(periodSpace, 2), marker.location() + IntSize(width, 0)); } else { const UChar spacePeriod[2] = { ' ', '.' }; TextRun spacePeriodRun(spacePeriod, 2); int width = font.width(spacePeriodRun); context->drawText(spacePeriodRun, marker.location()); context->drawText(textRun, marker.location() + IntSize(width, 0)); } } void RenderListMarker::layout() { ASSERT(needsLayout()); ASSERT(!prefWidthsDirty()); if (isImage()) { m_width = m_image->image()->width(); m_height = m_image->image()->height(); } else { m_width = minPrefWidth(); m_height = style()->font().height(); } m_marginLeft = m_marginRight = 0; Length leftMargin = style()->marginLeft(); Length rightMargin = style()->marginRight(); if (leftMargin.isFixed()) m_marginLeft = leftMargin.value(); if (rightMargin.isFixed()) m_marginRight = rightMargin.value(); setNeedsLayout(false); } void RenderListMarker::imageChanged(CachedImage* o) { // A list marker can't have a background or border image, so no need to call the base class method. if (o != m_image) return; if (m_width != m_image->imageSize().width() || m_height != m_image->imageSize().height() || m_image->errorOccurred()) setNeedsLayoutAndPrefWidthsRecalc(); else repaint(); } void RenderListMarker::calcPrefWidths() { ASSERT(prefWidthsDirty()); m_text = ""; if (isImage()) { m_minPrefWidth = m_maxPrefWidth = m_image->image()->width(); setPrefWidthsDirty(false); updateMargins(); return; } const Font& font = style()->font(); int width = 0; EListStyleType type = style()->listStyleType(); switch (type) { case LNONE: break; case CIRCLE: case DISC: case SQUARE: m_text = listMarkerText(type, 0); // value is ignored for these types width = (font.ascent() * 2 / 3 + 1) / 2 + 2; break; case ARMENIAN: case CJK_IDEOGRAPHIC: case DECIMAL_LEADING_ZERO: case GEORGIAN: case HEBREW: case HIRAGANA: case HIRAGANA_IROHA: case KATAKANA: case KATAKANA_IROHA: case LDECIMAL: case LOWER_ALPHA: case LOWER_GREEK: case LOWER_LATIN: case LOWER_ROMAN: case UPPER_ALPHA: case UPPER_LATIN: case UPPER_ROMAN: m_text = listMarkerText(type, m_listItem->value()); if (m_text.isEmpty()) width = 0; else { int itemWidth = font.width(m_text); const UChar periodSpace[2] = { '.', ' ' }; int periodSpaceWidth = font.width(TextRun(periodSpace, 2)); width = itemWidth + periodSpaceWidth; } break; } m_minPrefWidth = width; m_maxPrefWidth = width; setPrefWidthsDirty(false); updateMargins(); } void RenderListMarker::updateMargins() { const Font& font = style()->font(); int marginLeft = 0; int marginRight = 0; if (isInside()) { if (isImage()) { if (style()->direction() == LTR) marginRight = cMarkerPadding; else marginLeft = cMarkerPadding; } else switch (style()->listStyleType()) { case DISC: case CIRCLE: case SQUARE: if (style()->direction() == LTR) { marginLeft = -1; marginRight = font.ascent() - minPrefWidth() + 1; } else { marginLeft = font.ascent() - minPrefWidth() + 1; marginRight = -1; } break; default: break; } } else { if (style()->direction() == LTR) { if (isImage()) marginLeft = -minPrefWidth() - cMarkerPadding; else { int offset = font.ascent() * 2 / 3; switch (style()->listStyleType()) { case DISC: case CIRCLE: case SQUARE: marginLeft = -offset - cMarkerPadding - 1; break; case LNONE: break; default: marginLeft = m_text.isEmpty() ? 0 : -minPrefWidth() - offset / 2; } } } else { if (isImage()) marginLeft = cMarkerPadding; else { int offset = font.ascent() * 2 / 3; switch (style()->listStyleType()) { case DISC: case CIRCLE: case SQUARE: marginLeft = offset + cMarkerPadding + 1 - minPrefWidth(); break; case LNONE: break; default: marginLeft = m_text.isEmpty() ? 0 : offset / 2; } } } marginRight = -marginLeft - minPrefWidth(); } style()->setMarginLeft(Length(marginLeft, Fixed)); style()->setMarginRight(Length(marginRight, Fixed)); } short RenderListMarker::lineHeight(bool, bool) const { if (!isImage()) return m_listItem->lineHeight(false, true); return height(); } short RenderListMarker::baselinePosition(bool, bool) const { if (!isImage()) { const Font& font = style()->font(); return font.ascent() + (lineHeight(false) - font.height())/2; } return height(); } bool RenderListMarker::isInside() const { return m_listItem->notInList() || style()->listStylePosition() == INSIDE; } IntRect RenderListMarker::getRelativeMarkerRect() { if (isImage()) return IntRect(m_x, m_y, m_image->imageSize().width(), m_image->imageSize().height()); switch (style()->listStyleType()) { case DISC: case CIRCLE: case SQUARE: { // FIXME: Are these particular rounding rules necessary? const Font& font = style()->font(); int ascent = font.ascent(); int bulletWidth = (ascent * 2 / 3 + 1) / 2; return IntRect(m_x + 1, m_y + 3 * (ascent - ascent * 2 / 3) / 2, bulletWidth, bulletWidth); } case LNONE: return IntRect(); case ARMENIAN: case CJK_IDEOGRAPHIC: case DECIMAL_LEADING_ZERO: case GEORGIAN: case HEBREW: case HIRAGANA: case HIRAGANA_IROHA: case KATAKANA: case KATAKANA_IROHA: case LDECIMAL: case LOWER_ALPHA: case LOWER_GREEK: case LOWER_LATIN: case LOWER_ROMAN: case UPPER_ALPHA: case UPPER_LATIN: case UPPER_ROMAN: if (m_text.isEmpty()) return IntRect(); const Font& font = style()->font(); int itemWidth = font.width(m_text); const UChar periodSpace[2] = { '.', ' ' }; int periodSpaceWidth = font.width(TextRun(periodSpace, 2)); return IntRect(m_x, m_y + font.ascent(), itemWidth + periodSpaceWidth, font.height()); } return IntRect(); } void RenderListMarker::setSelectionState(SelectionState state) { m_selectionState = state; if (InlineBox* box = inlineBoxWrapper()) if (RootInlineBox* root = box->root()) root->setHasSelectedChildren(state != SelectionNone); containingBlock()->setSelectionState(state); } IntRect RenderListMarker::selectionRect(bool clipToVisibleContent) { ASSERT(!needsLayout()); if (selectionState() == SelectionNone || !inlineBoxWrapper()) return IntRect(); RootInlineBox* root = inlineBoxWrapper()->root(); IntRect rect(0, root->selectionTop() - yPos(), width(), root->selectionHeight()); if (clipToVisibleContent) computeAbsoluteRepaintRect(rect); else { int absx, absy; absolutePosition(absx, absy); rect.move(absx, absy); } return rect; } } // namespace WebCore