206 lines
9.5 KiB
C++
206 lines
9.5 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "touchproxystyle.h"
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#include "utils.h"
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#include "gtkstyle.h"
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#include <QSpinBox>
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#include <QPainter>
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#include <QStyleOptionSpinBox>
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static void drawSpinButton(QPainter *painter, const QRect &r, const QColor &col, bool isPlus)
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{
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int length=r.height()*0.5;
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int lineWidth=length<24 ? 2 : 4;
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if (length<(lineWidth*2)) {
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length=lineWidth*2;
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} else if (length%2) {
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length++;
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}
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painter->save();
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painter->setRenderHint(QPainter::Antialiasing, false);
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painter->fillRect(r.x()+((r.width()-length)/2), r.y()+((r.height()-lineWidth)/2), length, lineWidth, col);
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if (isPlus) {
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painter->fillRect(r.x()+((r.width()-lineWidth)/2), r.y()+((r.height()-length)/2), lineWidth, length, col);
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}
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painter->restore();
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}
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TouchProxyStyle::TouchProxyStyle(bool touchSpin)
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: ProxyStyle()
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, touchStyleSpin(touchSpin)
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{
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spinButtonRatio=touchSpin && Utils::touchFriendly() ? 1.5 : 1.25;
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}
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TouchProxyStyle::~TouchProxyStyle()
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{
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}
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QSize TouchProxyStyle::sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const
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{
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QSize sz=baseStyle()->sizeFromContents(type, option, size, widget);
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if (touchStyleSpin && CT_SpinBox==type) {
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if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
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if (QAbstractSpinBox::NoButtons!=spinBox->buttonSymbols) {
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#if QT_VERSION < 0x050200
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sz += QSize(0, 1);
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#endif
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#if QT_VERSION >= 0x050000
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// Qt5 does not seem to be taking special value, or suffix, into account when calculatng width...
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if (widget && qobject_cast<const QSpinBox *>(widget)) {
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const QSpinBox *spin=static_cast<const QSpinBox *>(widget);
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QString special=spin->specialValueText();
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int minWidth=0;
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if (!special.isEmpty()) {
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minWidth=option->fontMetrics.width(special+QLatin1String(" "));
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}
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QString suffix=spin->suffix()+QLatin1String(" ");
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minWidth=qMax(option->fontMetrics.width(QString::number(spin->minimum())+suffix), minWidth);
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minWidth=qMax(option->fontMetrics.width(QString::number(spin->maximum())+suffix), minWidth);
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if (minWidth>0) {
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int frameWidth=baseStyle()->pixelMetric(QStyle::PM_DefaultFrameWidth, option, 0);
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int buttonWidth=(sz.height()-(frameWidth*2))*spinButtonRatio;
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minWidth=((minWidth+(buttonWidth+frameWidth)*2)*1.05)+0.5;
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if (sz.width()<minWidth) {
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sz.setWidth(minWidth);
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}
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}
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} else
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#endif
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if (!GtkStyle::isActive()) {
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sz.setWidth(sz.width()+6);
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}
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}
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}
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}
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return sz;
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}
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QRect TouchProxyStyle::subControlRect(ComplexControl control, const QStyleOptionComplex *option, SubControl subControl, const QWidget *widget) const
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{
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if (touchStyleSpin && CC_SpinBox==control) {
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if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
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if (QAbstractSpinBox::NoButtons!=spinBox->buttonSymbols) {
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int border=2;
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int padBeforeButtons=GtkStyle::isActive() ? 0 : 2;
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int internalHeight=spinBox->rect.height()-(border*2);
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int internalWidth=internalHeight*spinButtonRatio;
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switch (subControl) {
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case SC_SpinBoxUp:
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return Qt::LeftToRight==spinBox->direction
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? QRect(spinBox->rect.width()-(internalWidth+border), border, internalWidth, internalHeight)
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: QRect(border, border, internalWidth, internalHeight);
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case SC_SpinBoxDown:
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return Qt::LeftToRight==spinBox->direction
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? QRect(spinBox->rect.width()-((internalWidth*2)+border), border, internalWidth, internalHeight)
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: QRect(internalWidth+border, border, internalWidth, internalHeight);
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case SC_SpinBoxEditField:
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return Qt::LeftToRight==spinBox->direction
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? QRect(border, border, spinBox->rect.width()-((internalWidth*2)+border+padBeforeButtons), internalHeight)
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: QRect(((internalWidth*2)+border), border, spinBox->rect.width()-((internalWidth*2)+border+padBeforeButtons), internalHeight);
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case SC_SpinBoxFrame:
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return spinBox->rect;
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default:
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break;
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}
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}
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}
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}
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return baseStyle()->subControlRect(control, option, subControl, widget);
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}
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void TouchProxyStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
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{
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if (touchStyleSpin && CC_SpinBox==control) {
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if (const QStyleOptionSpinBox *spinBox = qstyleoption_cast<const QStyleOptionSpinBox *>(option)) {
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if (QAbstractSpinBox::NoButtons!=spinBox->buttonSymbols) {
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if (GtkStyle::isActive()) {
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// Use PE_FrameLineEdit to draw border, as QGtkStyle corrupts focus settings
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// if its asked to draw a QSpinBox with no buttons that has focus.
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QStyleOptionFrameV2 opt;
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opt.state=spinBox->state;
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opt.state|=State_Sunken|State_Enabled;
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opt.rect=spinBox->rect;
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opt.palette=spinBox->palette;
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opt.lineWidth=baseStyle()->pixelMetric(QStyle::PM_DefaultFrameWidth, option, 0);
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opt.midLineWidth=0;
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opt.fontMetrics=spinBox->fontMetrics;
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opt.direction=spinBox->direction;
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opt.type=QStyleOption::SO_Default;
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opt.version=1;
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baseStyle()->drawPrimitive(PE_FrameLineEdit, &opt, painter, 0);
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} else {
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QStyleOptionSpinBox sb=*spinBox;
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sb.buttonSymbols=QAbstractSpinBox::NoButtons;
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baseStyle()->drawComplexControl(control, &sb, painter, widget);
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// Oxygen seems to draw the up/down indicators no matter what!
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// ...so, just draw over these!
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painter->fillRect(spinBox->rect.adjusted(5, 5, -5, -5), option->palette.base());
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}
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QRect plusRect=subControlRect(CC_SpinBox, spinBox, SC_SpinBoxUp, widget);
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QRect minusRect=subControlRect(CC_SpinBox, spinBox, SC_SpinBoxDown, widget);
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QColor separatorColor(spinBox->palette.foreground().color());
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separatorColor.setAlphaF(0.15);
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painter->setPen(separatorColor);
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if (Qt::LeftToRight==spinBox->direction) {
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painter->drawLine(plusRect.topLeft(), plusRect.bottomLeft());
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painter->drawLine(minusRect.topLeft(), minusRect.bottomLeft());
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} else {
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painter->drawLine(plusRect.topRight(), plusRect.bottomRight());
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painter->drawLine(minusRect.topRight(), minusRect.bottomRight());
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}
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if (option->state&State_Sunken) {
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QRect fillRect;
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if (spinBox->activeSubControls&SC_SpinBoxUp) {
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fillRect=plusRect;
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} else if (spinBox->activeSubControls&SC_SpinBoxDown) {
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fillRect=minusRect;
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}
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if (!fillRect.isEmpty()) {
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QColor col=spinBox->palette.highlight().color();
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col.setAlphaF(0.1);
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painter->fillRect(fillRect.adjusted(1, 1, -1, -1), col);
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}
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}
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drawSpinButton(painter, plusRect,
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spinBox->palette.color(spinBox->state&State_Enabled && (spinBox->stepEnabled&QAbstractSpinBox::StepUpEnabled)
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? QPalette::Current : QPalette::Disabled, QPalette::Text), true);
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drawSpinButton(painter, minusRect,
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spinBox->palette.color(spinBox->state&State_Enabled && (spinBox->stepEnabled&QAbstractSpinBox::StepDownEnabled)
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? QPalette::Current : QPalette::Disabled, QPalette::Text), false);
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return;
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}
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}
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}
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baseStyle()->drawComplexControl(control, option, painter, widget);
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}
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