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Diffstat (limited to 'src/gui/styles/qstylehelper.cpp')
| -rw-r--r-- | src/gui/styles/qstylehelper.cpp | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/src/gui/styles/qstylehelper.cpp b/src/gui/styles/qstylehelper.cpp deleted file mode 100644 index 59766cae0f..0000000000 --- a/src/gui/styles/qstylehelper.cpp +++ /dev/null @@ -1,378 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <qstyleoption.h> -#include <qpainter.h> -#include <qpixmapcache.h> -#include <private/qmath_p.h> -#include <private/qstyle_p.h> -#include <qmath.h> - -#if defined(Q_WS_WIN) -#include "qt_windows.h" -#elif defined(Q_WS_MAC) -#include <private/qt_cocoa_helpers_mac_p.h> -#endif - -#include "qstylehelper_p.h" -#include <qstringbuilder.h> - -QT_BEGIN_NAMESPACE - -namespace QStyleHelper { - -QString uniqueName(const QString &key, const QStyleOption *option, const QSize &size) -{ - const QStyleOptionComplex *complexOption = qstyleoption_cast<const QStyleOptionComplex *>(option); - QString tmp = key % HexString<uint>(option->state) - % HexString<uint>(option->direction) - % HexString<uint>(complexOption ? uint(complexOption->activeSubControls) : 0u) - % HexString<quint64>(option->palette.cacheKey()) - % HexString<uint>(size.width()) - % HexString<uint>(size.height()); - -#ifndef QT_NO_SPINBOX - if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) { - tmp = tmp % HexString<uint>(spinBox->buttonSymbols) - % HexString<uint>(spinBox->stepEnabled) - % QLatin1Char(spinBox->frame ? '1' : '0'); ; - } -#endif // QT_NO_SPINBOX - return tmp; -} - -qreal dpiScaled(qreal value) -{ - static qreal scale = -1; - if (scale < 0) { - scale = 1.0; -#if defined(Q_WS_WIN) - { - HDC hdcScreen = GetDC(0); - int dpi = GetDeviceCaps(hdcScreen, LOGPIXELSX); - ReleaseDC(0, hdcScreen); - scale = dpi/96.0; - } -#elif defined(Q_WS_MAC) - scale = qt_mac_get_scalefactor(); -#endif - } - return value * scale; -} - - -#ifndef QT_NO_DIAL - -int calcBigLineSize(int radius) -{ - int bigLineSize = radius / 6; - if (bigLineSize < 4) - bigLineSize = 4; - if (bigLineSize > radius / 2) - bigLineSize = radius / 2; - return bigLineSize; -} - -static QPointF calcRadialPos(const QStyleOptionSlider *dial, qreal offset) -{ - const int width = dial->rect.width(); - const int height = dial->rect.height(); - const int r = qMin(width, height) / 2; - const int currentSliderPosition = dial->upsideDown ? dial->sliderPosition : (dial->maximum - dial->sliderPosition); - qreal a = 0; - if (dial->maximum == dial->minimum) - a = Q_PI / 2; - else if (dial->dialWrapping) - a = Q_PI * 3 / 2 - (currentSliderPosition - dial->minimum) * 2 * Q_PI - / (dial->maximum - dial->minimum); - else - a = (Q_PI * 8 - (currentSliderPosition - dial->minimum) * 10 * Q_PI - / (dial->maximum - dial->minimum)) / 6; - qreal xc = width / 2.0; - qreal yc = height / 2.0; - qreal len = r - QStyleHelper::calcBigLineSize(r) - 3; - qreal back = offset * len; - QPointF pos(QPointF(xc + back * qCos(a), yc - back * qSin(a))); - return pos; -} - -qreal angle(const QPointF &p1, const QPointF &p2) -{ - static const qreal rad_factor = 180 / Q_PI; - qreal _angle = 0; - - if (p1.x() == p2.x()) { - if (p1.y() < p2.y()) - _angle = 270; - else - _angle = 90; - } else { - qreal x1, x2, y1, y2; - - if (p1.x() <= p2.x()) { - x1 = p1.x(); y1 = p1.y(); - x2 = p2.x(); y2 = p2.y(); - } else { - x2 = p1.x(); y2 = p1.y(); - x1 = p2.x(); y1 = p2.y(); - } - - qreal m = -(y2 - y1) / (x2 - x1); - _angle = qAtan(m) * rad_factor; - - if (p1.x() < p2.x()) - _angle = 180 - _angle; - else - _angle = -_angle; - } - return _angle; -} - -QPolygonF calcLines(const QStyleOptionSlider *dial) -{ - QPolygonF poly; - int width = dial->rect.width(); - int height = dial->rect.height(); - qreal r = qMin(width, height) / 2; - int bigLineSize = calcBigLineSize(int(r)); - - qreal xc = width / 2 + 0.5; - qreal yc = height / 2 + 0.5; - int ns = dial->tickInterval; - int notches = (dial->maximum + ns - 1 - dial->minimum) / ns; - if (notches <= 0) - return poly; - if (dial->maximum < dial->minimum || dial->maximum - dial->minimum > 1000) { - int maximum = dial->minimum + 1000; - notches = (maximum + ns - 1 - dial->minimum) / ns; - } - - poly.resize(2 + 2 * notches); - int smallLineSize = bigLineSize / 2; - for (int i = 0; i <= notches; ++i) { - qreal angle = dial->dialWrapping ? Q_PI * 3 / 2 - i * 2 * Q_PI / notches - : (Q_PI * 8 - i * 10 * Q_PI / notches) / 6; - qreal s = qSin(angle); - qreal c = qCos(angle); - if (i == 0 || (((ns * i) % (dial->pageStep ? dial->pageStep : 1)) == 0)) { - poly[2 * i] = QPointF(xc + (r - bigLineSize) * c, - yc - (r - bigLineSize) * s); - poly[2 * i + 1] = QPointF(xc + r * c, yc - r * s); - } else { - poly[2 * i] = QPointF(xc + (r - 1 - smallLineSize) * c, - yc - (r - 1 - smallLineSize) * s); - poly[2 * i + 1] = QPointF(xc + (r - 1) * c, yc -(r - 1) * s); - } - } - return poly; -} - -// This will draw a nice and shiny QDial for us. We don't want -// all the shinyness in QWindowsStyle, hence we place it here - -void drawDial(const QStyleOptionSlider *option, QPainter *painter) -{ - QPalette pal = option->palette; - QColor buttonColor = pal.button().color(); - const int width = option->rect.width(); - const int height = option->rect.height(); - const bool enabled = option->state & QStyle::State_Enabled; - qreal r = qMin(width, height) / 2; - r -= r/50; - const qreal penSize = r/20.0; - - painter->save(); - painter->setRenderHint(QPainter::Antialiasing); - - // Draw notches - if (option->subControls & QStyle::SC_DialTickmarks) { - painter->setPen(option->palette.dark().color().darker(120)); - painter->drawLines(QStyleHelper::calcLines(option)); - } - - // Cache dial background - BEGIN_STYLE_PIXMAPCACHE(QString::fromLatin1("qdial")); - p->setRenderHint(QPainter::Antialiasing); - - const qreal d_ = r / 6; - const qreal dx = option->rect.x() + d_ + (width - 2 * r) / 2 + 1; - const qreal dy = option->rect.y() + d_ + (height - 2 * r) / 2 + 1; - - QRectF br = QRectF(dx + 0.5, dy + 0.5, - int(r * 2 - 2 * d_ - 2), - int(r * 2 - 2 * d_ - 2)); - buttonColor.setHsv(buttonColor .hue(), - qMin(140, buttonColor .saturation()), - qMax(180, buttonColor.value())); - QColor shadowColor(0, 0, 0, 20); - - if (enabled) { - // Drop shadow - qreal shadowSize = qMax(1.0, penSize/2.0); - QRectF shadowRect= br.adjusted(-2*shadowSize, -2*shadowSize, - 2*shadowSize, 2*shadowSize); - QRadialGradient shadowGradient(shadowRect.center().x(), - shadowRect.center().y(), shadowRect.width()/2.0, - shadowRect.center().x(), shadowRect.center().y()); - shadowGradient.setColorAt(qreal(0.91), QColor(0, 0, 0, 40)); - shadowGradient.setColorAt(qreal(1.0), Qt::transparent); - p->setBrush(shadowGradient); - p->setPen(Qt::NoPen); - p->translate(shadowSize, shadowSize); - p->drawEllipse(shadowRect); - p->translate(-shadowSize, -shadowSize); - - // Main gradient - QRadialGradient gradient(br.center().x() - br.width()/3, dy, - br.width()*1.3, br.center().x(), - br.center().y() - br.height()/2); - gradient.setColorAt(0, buttonColor.lighter(110)); - gradient.setColorAt(qreal(0.5), buttonColor); - gradient.setColorAt(qreal(0.501), buttonColor.darker(102)); - gradient.setColorAt(1, buttonColor.darker(115)); - p->setBrush(gradient); - } else { - p->setBrush(Qt::NoBrush); - } - - p->setPen(QPen(buttonColor.darker(280))); - p->drawEllipse(br); - p->setBrush(Qt::NoBrush); - p->setPen(buttonColor.lighter(110)); - p->drawEllipse(br.adjusted(1, 1, -1, -1)); - - if (option->state & QStyle::State_HasFocus) { - QColor highlight = pal.highlight().color(); - highlight.setHsv(highlight.hue(), - qMin(160, highlight.saturation()), - qMax(230, highlight.value())); - highlight.setAlpha(127); - p->setPen(QPen(highlight, 2.0)); - p->setBrush(Qt::NoBrush); - p->drawEllipse(br.adjusted(-1, -1, 1, 1)); - } - - END_STYLE_PIXMAPCACHE - - QPointF dp = calcRadialPos(option, qreal(0.70)); - buttonColor = buttonColor.lighter(104); - buttonColor.setAlphaF(qreal(0.8)); - const qreal ds = r/qreal(7.0); - QRectF dialRect(dp.x() - ds, dp.y() - ds, 2*ds, 2*ds); - QRadialGradient dialGradient(dialRect.center().x() + dialRect.width()/2, - dialRect.center().y() + dialRect.width(), - dialRect.width()*2, - dialRect.center().x(), dialRect.center().y()); - dialGradient.setColorAt(1, buttonColor.darker(140)); - dialGradient.setColorAt(qreal(0.4), buttonColor.darker(120)); - dialGradient.setColorAt(0, buttonColor.darker(110)); - if (penSize > 3.0) { - painter->setPen(QPen(QColor(0, 0, 0, 25), penSize)); - painter->drawLine(calcRadialPos(option, qreal(0.90)), calcRadialPos(option, qreal(0.96))); - } - - painter->setBrush(dialGradient); - painter->setPen(QColor(255, 255, 255, 150)); - painter->drawEllipse(dialRect.adjusted(-1, -1, 1, 1)); - painter->setPen(QColor(0, 0, 0, 80)); - painter->drawEllipse(dialRect); - painter->restore(); -} -#endif //QT_NO_DIAL - -void drawBorderPixmap(const QPixmap &pixmap, QPainter *painter, const QRect &rect, - int left, int top, int right, - int bottom) -{ - QSize size = pixmap.size(); - //painter->setRenderHint(QPainter::SmoothPixmapTransform); - - //top - if (top > 0) { - painter->drawPixmap(QRect(rect.left() + left, rect.top(), rect.width() -right - left, top), pixmap, - QRect(left, 0, size.width() -right - left, top)); - - //top-left - if(left > 0) - painter->drawPixmap(QRect(rect.left(), rect.top(), left, top), pixmap, - QRect(0, 0, left, top)); - - //top-right - if (right > 0) - painter->drawPixmap(QRect(rect.left() + rect.width() - right, rect.top(), right, top), pixmap, - QRect(size.width() - right, 0, right, top)); - } - - //left - if (left > 0) - painter->drawPixmap(QRect(rect.left(), rect.top()+top, left, rect.height() - top - bottom), pixmap, - QRect(0, top, left, size.height() - bottom - top)); - - //center - painter->drawPixmap(QRect(rect.left() + left, rect.top()+top, rect.width() -right - left, - rect.height() - bottom - top), pixmap, - QRect(left, top, size.width() -right -left, - size.height() - bottom - top)); - //right - if (right > 0) - painter->drawPixmap(QRect(rect.left() +rect.width() - right, rect.top()+top, right, rect.height() - top - bottom), pixmap, - QRect(size.width() - right, top, right, size.height() - bottom - top)); - - //bottom - if (bottom > 0) { - painter->drawPixmap(QRect(rect.left() +left, rect.top() + rect.height() - bottom, - rect.width() - right - left, bottom), pixmap, - QRect(left, size.height() - bottom, - size.width() - right - left, bottom)); - //bottom-left - if (left > 0) - painter->drawPixmap(QRect(rect.left(), rect.top() + rect.height() - bottom, left, bottom), pixmap, - QRect(0, size.height() - bottom, left, bottom)); - - //bottom-right - if (right > 0) - painter->drawPixmap(QRect(rect.left() + rect.width() - right, rect.top() + rect.height() - bottom, right, bottom), pixmap, - QRect(size.width() - right, size.height() - bottom, right, bottom)); - - } -} -} -QT_END_NAMESPACE |