blob: 602f3fc99374b1c7e08621cb74c58a8c2ad8cd57 [file] [log] [blame]
/*
* This file is part of the WebKit project.
*
* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "RenderThemeQtMobile.h"
#include "CSSValueKeywords.h"
#include "Color.h"
#include "Document.h"
#include "Font.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HTMLSelectElement.h"
#include "LocalizedStrings.h"
#include "NotImplemented.h"
#include "Page.h"
#include "PaintInfo.h"
#include "QWebPageClient.h"
#include "RenderBox.h"
#if ENABLE(PROGRESS_ELEMENT)
#include "RenderProgress.h"
#endif
#include "StyleResolver.h"
#include <wtf/PassRefPtr.h>
#include <QColor>
#include <QFile>
#include <QPainter>
#include <QPixmapCache>
namespace WebCore {
using namespace HTMLNames;
// Constants used by the mobile theme
static const int arrowBoxWidth = 26;
static const int frameWidth = 2;
static const int checkBoxWidth = 21;
static const int radioWidth = 21;
static const int sliderSize = 20;
static const int buttonHeightRatio = 1.5;
static const float multipleComboDotsOffsetFactor = 1.8;
static const float buttonPaddingLeft = 18;
static const float buttonPaddingRight = 18;
static const float buttonPaddingTop = 2;
static const float buttonPaddingBottom = 3;
static const float menuListPadding = 9;
static const float textFieldPadding = 10;
static const float radiusFactor = 0.36;
static const float progressBarChunkPercentage = 0.2;
#if ENABLE(PROGRESS_ELEMENT)
static const int progressAnimationGranularity = 2;
#endif
static const float sliderGrooveBorderRatio = 0.2;
static const QColor darkColor(40, 40, 40);
static const QColor highlightColor(16, 128, 221);
static const QColor buttonGradientBottom(245, 245, 245);
static const QColor shadowColor(80, 80, 80, 160);
static QHash<KeyIdentifier, CacheKey> cacheKeys;
static qreal painterScale(QPainter* painter)
{
if (!painter)
return 1;
const QTransform& transform = painter->transform();
qreal scale = 1;
if (transform.type() == QTransform::TxScale)
scale = qAbs(transform.m11());
else if (transform.type() >= QTransform::TxRotate) {
const QLineF l1(0, 0, 1, 0);
const QLineF l2 = transform.map(l1);
scale = qAbs(l2.length() / l1.length());
}
return scale;
}
uint qHash(const KeyIdentifier& id)
{
const quint32 value = id.trait1 + (id.trait2 << 1) + (uint(id.type) << 2) + (id.height << 5) + (id.width << 14) + (id.trait3 << 25);
const unsigned char* p = reinterpret_cast<const unsigned char*>(&value);
uint hash = 0;
for (int i = 0; i < 4; ++i)
hash ^= (hash << 5) + (hash >> 2) + p[i];
return hash;
}
/*
* The octants' indices are identified below, for each point (x,y)
* in the first octant, we can populate the 7 others with the corresponding
* point.
*
* index | xpos | ypos
* xd ---------------------------
* 4 |<--->| 3 0 | xd + x | y
* __________________ 1 | xd + y | x
* / \ 2 | xd + y | -x
* 5 | .(c) | 2 3 | xd + x | -y
* 6 | | 1 4 | -xd - x | -y
* \__________________/ 5 | -xd - y | -x
* 6 | -xd - y | x
* 7 0 7 | -xd - x | y
*
**/
static void addPointToOctants(QVector<QPainterPath>& octants, const QPointF& center, qreal x, qreal y , int xDelta = 0)
{
ASSERT(octants.count() == 8);
for (short i = 0; i < 8; ++i) {
QPainterPath& octant = octants[i];
QPointF pos(center);
// The Gray code corresponding to the octant's index helps doing the math in a more generic way.
const short gray = (i >> 1) ^ i;
const qreal xOffset = xDelta + ((gray & 1) ? y : x);
pos.ry() += ((gray & 2)? -1 : 1) * ((gray & 1) ? x : y);
pos.rx() += (i < 4) ? xOffset : -xOffset;
if (octant.elementCount())
octant.lineTo(pos);
else // The path is empty. Initialize the start point.
octant.moveTo(pos);
}
}
static void drawControlBackground(QPainter* painter, const QPen& pen, const QRect& rect, const QBrush& brush)
{
QPen oldPen = painter->pen();
QBrush oldBrush = painter->brush();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(pen);
painter->setBrush(brush);
static const qreal line = 1.5;
const QRectF paddedRect = rect.adjusted(line, line, -line, -line);
static const int n = 3;
const qreal invPow = 1 / double(n);
ASSERT(paddedRect.width() >= paddedRect.height());
const int radius = paddedRect.height() / 2;
const int xDelta = paddedRect.width() / 2 - radius;
const QPointF center = paddedRect.center();
qreal x = 0;
qreal y;
QVector<QPainterPath> octants(8);
// Stay within reasonable distance from edge values, which can cause artifacts at certain zoom levels.
static const float epsilon = 0.02;
for (y = radius - epsilon; y - epsilon > x; y -= 0.5) {
x = radius * pow(1 - pow(qAbs(y) / radius , n), invPow);
addPointToOctants(octants, center, x, y, xDelta);
}
QPainterPath path = octants.first();
for (int i = 1; i < 8; ++i) {
// Due to the orientation of the arcs, we need to reverse the paths with odd indices.
QPainterPath subPath = (i % 2) ? octants.at(i).toReversed() : octants.at(i);
path.connectPath(subPath);
}
path.closeSubpath();
painter->drawPath(path);
painter->setPen(oldPen);
painter->setBrush(oldBrush);
}
static inline QRect shrinkRectToSquare(const QRect& rect)
{
const int side = qMin(rect.height(), rect.width());
return QRect(rect.topLeft(), QSize(side, side));
}
static inline QPen borderPen(QPainter* painter = 0)
{
return QPen(darkColor, qMin(1.0, 0.4 * painterScale(painter)));
}
QSharedPointer<StylePainter> RenderThemeQtMobile::getStylePainter(const PaintInfo& pi)
{
return QSharedPointer<StylePainter>(new StylePainterMobile(this, pi));
}
QPalette RenderThemeQtMobile::colorPalette() const
{
static QPalette lightGrayPalette(Qt::lightGray);
return lightGrayPalette;
}
StylePainterMobile::StylePainterMobile(RenderThemeQtMobile* theme, const PaintInfo& paintInfo)
: StylePainter(theme, paintInfo)
{
m_previousSmoothPixmapTransform = painter->testRenderHint(QPainter::SmoothPixmapTransform);
if (!m_previousSmoothPixmapTransform)
painter->setRenderHint(QPainter::SmoothPixmapTransform);
}
StylePainterMobile::~StylePainterMobile()
{
painter->setRenderHints(QPainter::SmoothPixmapTransform, m_previousSmoothPixmapTransform);
}
bool StylePainterMobile::findCachedControl(const KeyIdentifier& keyId, QPixmap* result)
{
static CacheKey emptyKey;
CacheKey key = cacheKeys.value(keyId, emptyKey);
if (key == emptyKey)
return false;
const bool ret = QPixmapCache::find(key, result);
if (!ret)
cacheKeys.remove(keyId);
return ret;
}
void StylePainterMobile::insertIntoCache(const KeyIdentifier& keyId, const QPixmap& pixmap)
{
ASSERT(keyId.type);
const int sizeInKiloBytes = pixmap.width() * pixmap.height() * pixmap.depth() / (8 * 1024);
// Don't cache pixmaps over 512 KB;
if (sizeInKiloBytes > 512)
return;
cacheKeys.insert(keyId, QPixmapCache::insert(pixmap));
}
void StylePainterMobile::drawCheckableBackground(QPainter* painter, const QRect& rect, bool checked, bool enabled) const
{
QBrush brush;
QColor color = Qt::gray;
if (checked && enabled)
color = highlightColor;
QLinearGradient gradient;
gradient.setStart(rect.topLeft());
gradient.setFinalStop(rect.bottomLeft());
gradient.setColorAt(0.0, color);
gradient.setColorAt(1.0, color.lighter(130));
brush = gradient;
drawControlBackground(painter, borderPen(painter), rect, brush);
}
QSize StylePainterMobile::sizeForPainterScale(const QRect& rect) const
{
qreal scale = painterScale(painter);
QTransform scaleTransform = QTransform::fromScale(scale, scale);
return scaleTransform.mapRect(rect).size();
}
void StylePainterMobile::drawChecker(QPainter* painter, const QRect& rect, const QColor& color) const
{
painter->setRenderHint(QPainter::Antialiasing, true);
QPen pen(Qt::darkGray);
pen.setCosmetic(true);
painter->setPen(pen);
painter->scale(rect.width(), rect.height());
QPainterPath path;
path.moveTo(0.18, 0.47);
path.lineTo(0.25, 0.4);
path.lineTo(0.4, 0.55);
path.quadTo(0.64, 0.29, 0.78, 0.2);
path.lineTo(0.8, 0.25);
path.quadTo(0.53, 0.55, 0.45, 0.75);
path.closeSubpath();
painter->setBrush(color);
painter->drawPath(path);
}
QPixmap StylePainterMobile::findCheckBox(const QSize& size, bool checked, bool enabled) const
{
ASSERT(size.width() == size.height());
QPixmap result;
KeyIdentifier id;
id.type = KeyIdentifier::CheckBox;
id.height = size.height();
id.trait1 = enabled;
id.trait2 = checked;
if (!findCachedControl(id, &result)) {
result = QPixmap(size);
result.fill(Qt::transparent);
QPainter cachePainter(&result);
QRect rect(QPoint(0, 0), size);
drawCheckableBackground(&cachePainter, rect, checked, enabled);
if (checked || !enabled)
drawChecker(&cachePainter, rect, enabled ? Qt::white : Qt::gray);
insertIntoCache(id, result);
}
return result;
}
void StylePainterMobile::drawRadio(QPainter* painter, const QSize& size, bool checked, bool enabled) const
{
QRect rect(QPoint(0, 0), size);
drawCheckableBackground(painter, rect, checked, enabled);
const int border = size.width() / 4;
rect.adjust(border, border, -border, -border);
drawControlBackground(painter, borderPen(), rect, enabled ? Qt::white : Qt::gray);
}
QPixmap StylePainterMobile::findRadio(const QSize& size, bool checked, bool enabled) const
{
ASSERT(size.width() == size.height());
QPixmap result;
KeyIdentifier id;
id.type = KeyIdentifier::Radio;
id.height = size.height();
id.trait1 = enabled;
id.trait2 = checked;
if (!findCachedControl(id, &result)) {
result = QPixmap(size);
result.fill(Qt::transparent);
QPainter cachePainter(&result);
drawRadio(&cachePainter, size, checked, enabled);
insertIntoCache(id, result);
}
return result;
}
void StylePainterMobile::drawMultipleComboButton(QPainter* painter, const QSizeF& size, const QColor& color) const
{
const qreal dotDiameter = size.height();
const qreal dotRadii = dotDiameter / 2;
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(color);
painter->setBrush(color);
for (int i = 0; i < 3; ++i) {
QPointF center(dotRadii + i * multipleComboDotsOffsetFactor * dotDiameter, dotRadii);
painter->drawEllipse(center, dotRadii, dotRadii);
}
}
void StylePainterMobile::drawSimpleComboButton(QPainter* painter, const QSizeF& size, const QColor& color) const
{
const qreal gap = size.height() / 5.0;
const qreal arrowHeight = (size.height() - gap) / 2.0;
const qreal right = arrowHeight * 2;
const qreal bottomBaseline = size.height() - arrowHeight;
QPolygonF upArrow, downArrow;
upArrow << QPointF(0, arrowHeight) << QPointF(arrowHeight, 0) << QPointF(right, arrowHeight);
downArrow << QPointF(0, bottomBaseline) << QPointF(arrowHeight, bottomBaseline + arrowHeight)
<< QPointF(right, bottomBaseline);
painter->setPen(Qt::NoPen);
painter->setBrush(color);
painter->drawPolygon(upArrow);
painter->drawPolygon(downArrow);
}
QSizeF StylePainterMobile::getButtonImageSize(int buttonHeight, bool multiple) const
{
if (multiple)
return QSizeF(qreal(2 + buttonHeight * 3 * multipleComboDotsOffsetFactor/ 10.0)
, qreal(2 + buttonHeight / 10.0));
const qreal height = buttonHeight / 2.5;
const qreal width = 4 * height / 5.0;
return QSizeF(2 + width, 2 + height);
}
QPixmap StylePainterMobile::findComboButton(const QSize& size, bool multiple, bool enabled) const
{
if (size.isNull())
return QPixmap();
QPixmap result;
KeyIdentifier id;
id.type = KeyIdentifier::ComboButton;
id.width = size.width();
id.height = size.height();
id.trait1 = multiple;
id.trait2 = enabled;
if (!findCachedControl(id, &result)) {
result = QPixmap(size);
const qreal border = painterScale(painter);
const QSizeF padding(2 * border, 2 * border);
const QSizeF innerSize = size - padding;
ASSERT(innerSize.isValid());
result.fill(Qt::transparent);
QPainter cachePainter(&result);
cachePainter.translate(border, border);
if (multiple)
drawMultipleComboButton(&cachePainter, innerSize, enabled ? darkColor : Qt::lightGray);
else
drawSimpleComboButton(&cachePainter, innerSize, enabled ? darkColor : Qt::lightGray);
insertIntoCache(id, result);
}
return result;
}
void StylePainterMobile::drawLineEdit(const QRect& rect, bool focused, bool enabled)
{
Q_UNUSED(enabled);
QPixmap lineEdit = findLineEdit(sizeForPainterScale(rect), focused);
if (lineEdit.isNull())
return;
painter->drawPixmap(rect, lineEdit);
}
QPixmap StylePainterMobile::findLineEdit(const QSize & size, bool focused) const
{
QPixmap result;
KeyIdentifier id;
id.type = KeyIdentifier::LineEdit;
id.width = size.width();
id.height = size.height();
id.trait1 = focused;
if (!findCachedControl(id, &result)) {
const int focusFrame = painterScale(painter);
result = QPixmap(size);
result.fill(Qt::transparent);
const QRect rect = result.rect().adjusted(focusFrame, focusFrame, -focusFrame, -focusFrame);
QPainter cachePainter(&result);
drawControlBackground(&cachePainter, borderPen(painter), rect, Qt::white);
if (focused) {
QPen focusPen(highlightColor, 1.2 * painterScale(painter), Qt::SolidLine);
drawControlBackground(&cachePainter, focusPen, rect, Qt::NoBrush);
}
insertIntoCache(id, result);
}
return result;
}
void StylePainterMobile::drawCheckBox(const QRect& rect, bool checked, bool enabled)
{
const QRect square = shrinkRectToSquare(rect);
QPixmap checkBox = findCheckBox(sizeForPainterScale(square), checked, enabled);
if (checkBox.isNull())
return;
painter->drawPixmap(square, checkBox);
}
void StylePainterMobile::drawRadioButton(const QRect& rect, bool checked, bool enabled)
{
const QRect square = shrinkRectToSquare(rect);
QPixmap radio = findRadio(sizeForPainterScale(square), checked, enabled);
if (radio.isNull())
return;
painter->drawPixmap(square, radio);
}
void StylePainterMobile::drawPushButton(const QRect& rect, bool sunken, bool enabled)
{
QPixmap pushButton = findPushButton(sizeForPainterScale(rect), sunken, enabled);
if (pushButton.isNull())
return;
painter->drawPixmap(rect, pushButton);
}
QPixmap StylePainterMobile::findPushButton(const QSize& size, bool sunken, bool enabled) const
{
QPixmap result;
KeyIdentifier id;
id.type = KeyIdentifier::PushButton;
id.width = size.width();
id.height = size.height();
id.trait1 = sunken;
id.trait2 = enabled;
if (!findCachedControl(id, &result)) {
const qreal dropShadowSize = painterScale(painter);
result = QPixmap(size);
result.fill(Qt::transparent);
const QRect rect = QRect(0, 0, size.width(), size.height() - dropShadowSize);
QPainter cachePainter(&result);
drawControlBackground(&cachePainter, Qt::NoPen, rect.adjusted(0, dropShadowSize, 0, dropShadowSize), shadowColor);
QBrush brush;
if (enabled && !sunken) {
QLinearGradient linearGradient;
linearGradient.setStart(rect.bottomLeft());
linearGradient.setFinalStop(rect.topLeft());
linearGradient.setColorAt(0.0, buttonGradientBottom);
linearGradient.setColorAt(1.0, Qt::white);
brush = linearGradient;
} else if (!enabled)
brush = QColor(241, 242, 243);
else { // sunken
QLinearGradient linearGradient;
linearGradient.setStart(rect.bottomLeft());
linearGradient.setFinalStop(rect.topLeft());
linearGradient.setColorAt(0.0, highlightColor);
linearGradient.setColorAt(1.0, highlightColor.lighter());
brush = linearGradient;
}
drawControlBackground(&cachePainter, borderPen(painter), rect, brush);
insertIntoCache(id, result);
}
return result;
}
void StylePainterMobile::drawComboBox(const QRect& rect, bool multiple, bool enabled)
{
QPixmap pushButton = findPushButton(sizeForPainterScale(rect), /*sunken = */false, enabled);
if (pushButton.isNull())
return;
painter->drawPixmap(rect, pushButton);
QRectF targetRect(QPointF(0, 0), getButtonImageSize(rect.height() - 1, multiple));
const QPointF buttonCenter(rect.right() - arrowBoxWidth / 2, rect.top() + (rect.height() - 1) / 2);
targetRect.moveCenter(buttonCenter);
QPixmap pic = findComboButton(sizeForPainterScale(targetRect.toRect()), multiple, enabled);
if (pic.isNull())
return;
painter->drawPixmap(targetRect.toRect(), pic);
}
void StylePainterMobile::drawProgress(const QRect& rect, double progress, bool leftToRight, bool animated, bool vertical) const
{
const int horizontalBorder = (vertical ? rect.width() / 4 : 0);
const int verticalBorder = (vertical ? 0 : rect.height() / 4);
const QRect targetRect = rect.adjusted(horizontalBorder, verticalBorder, -horizontalBorder, -verticalBorder);
QPixmap result;
QSize imageSize = sizeForPainterScale(targetRect);
if (vertical)
qSwap(imageSize.rheight(), imageSize.rwidth());
KeyIdentifier id;
id.type = KeyIdentifier::Progress;
id.width = imageSize.width();
id.height = imageSize.height();
id.trait1 = animated;
id.trait2 = (!animated && !leftToRight);
id.trait3 = progress * 100;
if (!findCachedControl(id, &result)) {
if (imageSize.isNull())
return;
result = QPixmap(imageSize);
result.fill(Qt::transparent);
QPainter painter(&result);
painter.setRenderHint(QPainter::Antialiasing);
QRect progressRect(QPoint(0, 0), imageSize);
qreal radius = radiusFactor * progressRect.height();
painter.setBrush(Qt::NoBrush);
painter.setPen(borderPen());
progressRect.adjust(1, 1, -1, -1);
painter.drawRoundedRect(progressRect, radius, radius);
progressRect.adjust(1, 1, -1, -1);
if (animated) {
const int right = progressRect.right();
const int startPos = right * (1 - progressBarChunkPercentage) * 2 * fabs(progress - 0.5);
progressRect.setWidth(progressBarChunkPercentage * right);
progressRect.moveLeft(startPos);
} else {
progressRect.setWidth(progress * progressRect.width());
if (!leftToRight)
progressRect.moveRight(imageSize.width() - 2);
}
if (progressRect.width() > 0) {
QLinearGradient gradient;
gradient.setStart(progressRect.bottomLeft());
gradient.setFinalStop(progressRect.topLeft());
gradient.setColorAt(0.0, highlightColor);
gradient.setColorAt(1.0, highlightColor.lighter());
painter.setBrush(gradient);
painter.setPen(Qt::NoPen);
radius = radiusFactor * progressRect.height();
painter.drawRoundedRect(progressRect, radius, radius);
}
insertIntoCache(id, result);
}
QTransform transform;
transform.rotate(-90);
painter->drawPixmap(targetRect, vertical ? result.transformed(transform) : result);
}
void StylePainterMobile::drawSliderThumb(const QRect & rect, bool pressed) const
{
QPixmap result;
const QSize size = sizeForPainterScale(rect);
KeyIdentifier id;
id.type = KeyIdentifier::SliderThumb;
id.width = size.width();
id.height = size.height();
id.trait1 = pressed;
if (!findCachedControl(id, &result)) {
if (size.isNull())
return;
result = QPixmap(size);
result.fill(Qt::transparent);
QPainter cachePainter(&result);
drawControlBackground(&cachePainter, borderPen(painter), QRect(QPoint(0, 0), size), pressed? Qt::lightGray : buttonGradientBottom);
insertIntoCache(id, result);
}
painter->drawPixmap(rect, result);
}
PassRefPtr<RenderTheme> RenderThemeQtMobile::create(Page* page)
{
return adoptRef(new RenderThemeQtMobile(page));
}
RenderThemeQtMobile::RenderThemeQtMobile(Page* page)
: RenderThemeQt(page)
{
}
RenderThemeQtMobile::~RenderThemeQtMobile()
{
}
bool RenderThemeQtMobile::isControlStyled(const RenderStyle* style, const BorderData& border, const FillLayer& fill, const Color& backgroundColor) const
{
switch (style->appearance()) {
case CheckboxPart:
case RadioPart:
return false;
default:
return RenderThemeQt::isControlStyled(style, border, fill, backgroundColor);
}
}
int RenderThemeQtMobile::popupInternalPaddingBottom(RenderStyle* style) const
{
return 1;
}
void RenderThemeQtMobile::computeSizeBasedOnStyle(RenderStyle* renderStyle) const
{
QSize size(0, 0);
switch (renderStyle->appearance()) {
case TextAreaPart:
case SearchFieldPart:
case TextFieldPart: {
int padding = frameWidth;
renderStyle->setPaddingLeft(Length(padding, Fixed));
renderStyle->setPaddingRight(Length(padding, Fixed));
renderStyle->setPaddingTop(Length(padding, Fixed));
renderStyle->setPaddingBottom(Length(padding, Fixed));
break;
}
default:
break;
}
// If the width and height are both specified, then we have nothing to do.
if (!renderStyle->width().isIntrinsicOrAuto() && !renderStyle->height().isAuto())
return;
switch (renderStyle->appearance()) {
case CheckboxPart: {
const int w = checkBoxWidth * renderStyle->effectiveZoom();
size = QSize(w, w);
break;
}
case RadioPart: {
const int w = radioWidth * renderStyle->effectiveZoom();
size = QSize(w, w);
break;
}
case PushButtonPart:
case SquareButtonPart:
case DefaultButtonPart:
case ButtonPart:
case MenulistPart: {
const int height = renderStyle->fontMetrics().height() * buttonHeightRatio * renderStyle->effectiveZoom();
size = QSize(renderStyle->width().value(), height);
break;
}
default:
break;
}
// FIXME: Check is flawed, since it doesn't take min-width/max-width into account.
if (renderStyle->width().isIntrinsicOrAuto() && size.width() > 0)
renderStyle->setMinWidth(Length(size.width(), Fixed));
if (renderStyle->height().isAuto() && size.height() > 0)
renderStyle->setMinHeight(Length(size.height(), Fixed));
}
void RenderThemeQtMobile::adjustButtonStyle(StyleResolver*, RenderStyle* style, Element*) const
{
// Ditch the border.
style->resetBorder();
FontDescription fontDescription = style->fontDescription();
fontDescription.setIsAbsoluteSize(true);
fontDescription.setSpecifiedSize(style->fontSize());
fontDescription.setComputedSize(style->fontSize());
style->setLineHeight(RenderStyle::initialLineHeight());
setButtonSize(style);
setButtonPadding(style);
}
void RenderThemeQtMobile::setButtonPadding(RenderStyle* style) const
{
if (!style)
return;
style->setPaddingLeft(Length(buttonPaddingLeft, Fixed));
style->setPaddingRight(Length(buttonPaddingRight, Fixed));
style->setPaddingTop(Length(buttonPaddingTop, Fixed));
style->setPaddingBottom(Length(buttonPaddingBottom, Fixed));
}
bool RenderThemeQtMobile::paintButton(RenderObject* o, const PaintInfo& i, const IntRect& r)
{
StylePainterMobile p(this, i);
if (!p.isValid())
return true;
ControlPart appearance = o->style()->appearance();
if (appearance == PushButtonPart || appearance == ButtonPart) {
p.drawPushButton(r, isPressed(o), isEnabled(o));
} else if (appearance == RadioPart)
p.drawRadioButton(r, isChecked(o), isEnabled(o));
else if (appearance == CheckboxPart)
p.drawCheckBox(r, isChecked(o), isEnabled(o));
return false;
}
void RenderThemeQtMobile::adjustTextFieldStyle(StyleResolver*, RenderStyle* style, Element*) const
{
// Resetting the style like this leads to differences like:
// - RenderTextControl {INPUT} at (2,2) size 168x25 [bgcolor=#FFFFFF] border: (2px inset #000000)]
// + RenderTextControl {INPUT} at (2,2) size 166x26
// in layout tests when a CSS style is applied that doesn't affect background color, border or
// padding. Just worth keeping in mind!
style->setBackgroundColor(Color::transparent);
style->resetBorder();
style->setBorderTopWidth(frameWidth);
style->setBorderRightWidth(frameWidth);
style->setBorderBottomWidth(frameWidth);
style->setBorderLeftWidth(frameWidth);
style->resetPadding();
computeSizeBasedOnStyle(style);
style->setPaddingLeft(Length(textFieldPadding, Fixed));
style->setPaddingRight(Length(textFieldPadding, Fixed));
}
bool RenderThemeQtMobile::paintTextField(RenderObject* o, const PaintInfo& i, const IntRect& r)
{
StylePainterMobile p(this, i);
if (!p.isValid())
return true;
ControlPart appearance = o->style()->appearance();
if (appearance != TextFieldPart
&& appearance != SearchFieldPart
&& appearance != TextAreaPart)
return true;
// Now paint the text field.
if (appearance == TextAreaPart) {
const bool previousAntialiasing = p.painter->testRenderHint(QPainter::Antialiasing);
p.painter->setRenderHint(QPainter::Antialiasing);
p.painter->setPen(borderPen());
p.painter->setBrush(Qt::white);
const int radius = checkBoxWidth * radiusFactor;
p.painter->drawRoundedRect(r, radius, radius);
if (isFocused(o)) {
QPen focusPen(highlightColor, 1.0, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
p.painter->setPen(focusPen);
p.painter->setBrush(Qt::NoBrush);
p.painter->drawRoundedRect(r, radius, radius);
}
p.painter->setRenderHint(QPainter::Antialiasing, previousAntialiasing);
} else
p.drawLineEdit(r, isFocused(o), isEnabled(o));
return false;
}
void RenderThemeQtMobile::adjustMenuListStyle(StyleResolver* styleResolver, RenderStyle* style, Element* e) const
{
RenderThemeQt::adjustMenuListStyle(styleResolver, style, e);
style->setPaddingLeft(Length(menuListPadding, Fixed));
}
void RenderThemeQtMobile::setPopupPadding(RenderStyle* style) const
{
const int paddingLeft = 4;
const int paddingRight = style->width().isFixed() || style->width().isPercent() ? 5 : 8;
style->setPaddingLeft(Length(paddingLeft, Fixed));
style->setPaddingRight(Length(paddingRight + arrowBoxWidth, Fixed));
style->setPaddingTop(Length(2, Fixed));
style->setPaddingBottom(Length(2, Fixed));
}
bool RenderThemeQtMobile::paintMenuList(RenderObject* o, const PaintInfo& i, const IntRect& r)
{
StylePainterMobile p(this, i);
if (!p.isValid())
return true;
p.drawComboBox(r, checkMultiple(o), isEnabled(o));
return false;
}
bool RenderThemeQtMobile::paintMenuListButton(RenderObject* o, const PaintInfo& i,
const IntRect& r)
{
StylePainterMobile p(this, i);
if (!p.isValid())
return true;
p.drawComboBox(r, checkMultiple(o), isEnabled(o));
return false;
}
#if ENABLE(PROGRESS_ELEMENT)
double RenderThemeQtMobile::animationDurationForProgressBar(RenderProgress* renderProgress) const
{
if (renderProgress->isDeterminate())
return 0;
// Our animation goes back and forth so we need to make it last twice as long
// and we need the numerator to be an odd number to ensure we get a progress value of 0.5.
return (2 * progressAnimationGranularity +1) / progressBarChunkPercentage * animationRepeatIntervalForProgressBar(renderProgress);
}
bool RenderThemeQtMobile::paintProgressBar(RenderObject* o, const PaintInfo& pi, const IntRect& r)
{
if (!o->isProgress())
return true;
StylePainterMobile p(this, pi);
if (!p.isValid())
return true;
RenderProgress* renderProgress = toRenderProgress(o);
const bool isRTL = (renderProgress->style()->direction() == RTL);
if (renderProgress->isDeterminate())
p.drawProgress(r, renderProgress->position(), !isRTL);
else
p.drawProgress(r, renderProgress->animationProgress(), !isRTL, true);
return false;
}
#endif
bool RenderThemeQtMobile::paintSliderTrack(RenderObject* o, const PaintInfo& pi,
const IntRect& r)
{
StylePainterMobile p(this, pi);
if (!p.isValid())
return true;
HTMLInputElement* slider = static_cast<HTMLInputElement*>(o->node());
const double min = slider->minimum();
const double max = slider->maximum();
const double progress = (max - min > 0) ? (slider->valueAsNumber() - min) / (max - min) : 0;
QRect rect(r);
const bool vertical = (o->style()->appearance() == SliderVerticalPart);
const int groovePadding = vertical ? r.width() * sliderGrooveBorderRatio : r.height() * sliderGrooveBorderRatio;
if (vertical)
rect.adjust(groovePadding, 0, -groovePadding, 0);
else
rect.adjust(0, groovePadding, 0, -groovePadding);
p.drawProgress(rect, progress, o->style()->isLeftToRightDirection(), /*animated = */ false, vertical);
return false;
}
bool RenderThemeQtMobile::paintSliderThumb(RenderObject* o, const PaintInfo& pi,
const IntRect& r)
{
StylePainterMobile p(this, pi);
if (!p.isValid())
return true;
p.drawSliderThumb(r, isPressed(o));
return false;
}
bool RenderThemeQtMobile::checkMultiple(RenderObject* o) const
{
HTMLSelectElement* select = o ? static_cast<HTMLSelectElement*>(o->node()) : 0;
return select ? select->multiple() : false;
}
void RenderThemeQtMobile::adjustSliderThumbSize(RenderStyle* style, Element* element) const
{
const ControlPart part = style->appearance();
if (part == SliderThumbHorizontalPart || part == SliderThumbVerticalPart) {
const int size = sliderSize * style->effectiveZoom();
style->setWidth(Length(size, Fixed));
style->setHeight(Length(size, Fixed));
} else
RenderThemeQt::adjustSliderThumbSize(style, element);
}
}
// vim: ts=4 sw=4 et