272 lines
14 KiB
C++
272 lines
14 KiB
C++
#include "ElaToolButtonStyle.h"
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#include <QDebug>
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#include <QPainter>
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#include <QPainterPath>
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#include <QStyleOption>
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#include <QtMath>
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#include "ElaTheme.h"
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ElaToolButtonStyle::ElaToolButtonStyle(QStyle *style) {
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_pIsSelected = false;
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_pIsTransparent = true;
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_pExpandIconRotate = 0;
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_pBorderRadius = 4;
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_themeMode = eTheme->getThemeMode();
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connect(eTheme, &ElaTheme::themeModeChanged, this, [=](ElaThemeType::ThemeMode themeMode) { _themeMode = themeMode; });
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}
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ElaToolButtonStyle::~ElaToolButtonStyle() {}
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void ElaToolButtonStyle::drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter,
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const QWidget *widget) const {
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switch (control) {
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case QStyle::CC_ToolButton: {
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// 内容绘制
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if (const QStyleOptionToolButton *bopt = qstyleoption_cast<const QStyleOptionToolButton *>(option)) {
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if (bopt->arrowType != Qt::NoArrow) {
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break;
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}
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QRect toolButtonRect = bopt->rect;
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if (!_pIsTransparent) {
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// 边框距离
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toolButtonRect.adjust(1, 1, -1, -1);
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}
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painter->save();
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painter->setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform);
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painter->setPen(_pIsTransparent ? Qt::transparent : ElaThemeColor(_themeMode, BasicBorder));
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// 背景绘制
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if (bopt->state.testFlag(QStyle::State_Enabled)) {
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if (bopt->state.testFlag(QStyle::State_Sunken)) {
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painter->setBrush(_pIsTransparent ? ElaThemeColor(_themeMode, BasicPressAlpha) : ElaThemeColor(_themeMode, BasicPress));
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painter->drawRoundedRect(toolButtonRect, _pBorderRadius, _pBorderRadius);
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} else {
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if (_pIsSelected) {
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painter->setBrush(_pIsTransparent ? ElaThemeColor(_themeMode, BasicSelectedAlpha) : ElaThemeColor(_themeMode, BasicHover));
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painter->drawRoundedRect(toolButtonRect, _pBorderRadius, _pBorderRadius);
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} else {
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if (bopt->state.testFlag(QStyle::State_MouseOver) || bopt->state.testFlag(QStyle::State_On)) {
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painter->setBrush(_pIsTransparent ? ElaThemeColor(_themeMode, BasicHoverAlpha) : ElaThemeColor(_themeMode, BasicHover));
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painter->drawRoundedRect(toolButtonRect, _pBorderRadius, _pBorderRadius);
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} else {
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if (!_pIsTransparent) {
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painter->setBrush(ElaThemeColor(_themeMode, BasicBase));
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painter->drawRoundedRect(toolButtonRect, _pBorderRadius, _pBorderRadius);
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// 底边线绘制
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painter->setPen(ElaThemeColor(_themeMode, BasicBaseLine));
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painter->drawLine(toolButtonRect.x() + _pBorderRadius, toolButtonRect.y() + toolButtonRect.height(),
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toolButtonRect.x() + toolButtonRect.width() - _pBorderRadius,
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toolButtonRect.y() + toolButtonRect.height());
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}
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}
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}
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}
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}
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// 指示器绘制
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_drawIndicator(painter, bopt, widget);
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// 图标绘制
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QRect contentRect = subControlRect(control, bopt, QStyle::SC_ScrollBarAddLine, widget);
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int heightOffset = contentRect.height() * 0.05;
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contentRect.adjust(0, heightOffset, 0, -heightOffset);
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_drawIcon(painter, contentRect, bopt, widget);
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// 文字绘制
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_drawText(painter, contentRect, bopt);
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painter->restore();
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}
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return;
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}
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default: {
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break;
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}
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}
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QProxyStyle::drawComplexControl(control, option, painter, widget);
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}
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QSize ElaToolButtonStyle::sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &size, const QWidget *widget) const {
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if (type == QStyle::CT_ToolButton) {
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if (const QStyleOptionToolButton *bopt = qstyleoption_cast<const QStyleOptionToolButton *>(option)) {
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QSize toolButtonSize = QProxyStyle::sizeFromContents(type, option, size, widget);
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if (bopt->features.testFlag(QStyleOptionToolButton::HasMenu) && !bopt->features.testFlag(QStyleOptionToolButton::MenuButtonPopup)) {
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toolButtonSize.setWidth(toolButtonSize.width() + _contentMargin + 0.65 * std::min(bopt->iconSize.width(), bopt->iconSize.height()));
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}
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return toolButtonSize;
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}
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}
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return QProxyStyle::sizeFromContents(type, option, size, widget);
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}
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void ElaToolButtonStyle::_drawIndicator(QPainter *painter, const QStyleOptionToolButton *bopt, const QWidget *widget) const {
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if (bopt->features.testFlag(QStyleOptionToolButton::MenuButtonPopup)) {
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QRect indicatorRect = subControlRect(QStyle::CC_ToolButton, bopt, QStyle::SC_ScrollBarSubLine, widget);
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// 指示器区域
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if (bopt->state.testFlag(QStyle::State_Enabled) && bopt->activeSubControls.testFlag(QStyle::SC_ScrollBarSubLine)) {
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painter->setBrush(ElaThemeColor(_themeMode, BasicIndicator));
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QPainterPath path;
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path.moveTo(indicatorRect.topLeft());
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path.lineTo(indicatorRect.right() - 4, indicatorRect.y());
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path.arcTo(QRect(indicatorRect.right() - 8, indicatorRect.y(), 8, 8), 90, -90);
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path.lineTo(indicatorRect.right(), indicatorRect.bottom() - 4);
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path.arcTo(QRect(indicatorRect.right() - 8, indicatorRect.bottom() - 8, 8, 8), 0, -90);
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path.lineTo(indicatorRect.bottomLeft());
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path.closeSubpath();
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painter->drawPath(path);
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}
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// 指示器
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painter->setBrush(bopt->state.testFlag(QStyle::State_Enabled) ? ElaThemeColor(_themeMode, BasicText)
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: ElaThemeColor(_themeMode, BasicTextDisable));
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QPainterPath indicatorPath;
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qreal indicatorHeight = qCos(30 * M_PI / 180.0) * indicatorRect.width() * 0.85;
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indicatorPath.moveTo(indicatorRect.x() + indicatorRect.width() * 0.15, indicatorRect.center().y());
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indicatorPath.lineTo(indicatorRect.right() - indicatorRect.width() * 0.15, indicatorRect.center().y());
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indicatorPath.lineTo(indicatorRect.center().x(), indicatorRect.center().y() + indicatorHeight / 2);
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indicatorPath.closeSubpath();
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painter->drawPath(indicatorPath);
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} else if (bopt->features.testFlag(QStyleOptionToolButton::HasMenu)) {
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// 展开指示器
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QSize iconSize = bopt->iconSize;
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painter->save();
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QRect toolButtonRect = bopt->rect;
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QFont iconFont = QFont("ElaAwesome");
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iconFont.setPixelSize(0.75 * std::min(iconSize.width(), iconSize.height()));
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painter->setFont(iconFont);
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int indicatorWidth = painter->fontMetrics().horizontalAdvance(QChar((unsigned short)ElaIconType::AngleDown));
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QRect expandIconRect(toolButtonRect.right() - _contentMargin - indicatorWidth, toolButtonRect.y() + 1, indicatorWidth,
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toolButtonRect.height());
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painter->setPen(ElaThemeColor(_themeMode, BasicText));
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painter->translate(expandIconRect.center().x(), expandIconRect.y() + (qreal)expandIconRect.height() / 2);
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painter->rotate(_pExpandIconRotate);
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painter->translate(-expandIconRect.center().x() - 1, -expandIconRect.y() - (qreal)expandIconRect.height() / 2);
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painter->drawText(expandIconRect, Qt::AlignCenter, QChar((unsigned short)ElaIconType::AngleDown));
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painter->restore();
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}
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}
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void ElaToolButtonStyle::_drawIcon(QPainter *painter, QRectF iconRect, const QStyleOptionToolButton *bopt, const QWidget *widget) const {
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if (bopt->toolButtonStyle != Qt::ToolButtonTextOnly) {
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QSize iconSize = bopt->iconSize;
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if (widget->property("ElaIconType").toString().isEmpty()) {
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// 绘制QIcon
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QIcon icon = bopt->icon;
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if (!icon.isNull()) {
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QPixmap iconPix = icon.pixmap(iconSize, (bopt->state & State_Enabled) ? QIcon::Normal : QIcon::Disabled,
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(bopt->state & State_Selected) ? QIcon::On : QIcon::Off);
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switch (bopt->toolButtonStyle) {
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case Qt::ToolButtonIconOnly: {
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painter->drawPixmap(QRect(QPoint(iconRect.x(), iconRect.center().y() - iconSize.height() / 2), iconSize), iconPix);
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break;
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}
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case Qt::ToolButtonFollowStyle:
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case Qt::ToolButtonTextBesideIcon: {
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painter->drawPixmap(QRect(QPoint(iconRect.x() + _contentMargin, iconRect.center().y() - iconSize.height() / 2), iconSize),
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iconPix);
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break;
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}
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case Qt::ToolButtonTextUnderIcon: {
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if (bopt->features.testFlag(QStyleOptionToolButton::HasMenu) &&
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!bopt->features.testFlag(QStyleOptionToolButton::MenuButtonPopup)) {
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iconRect.setRight(iconRect.right() - _calculateExpandIndicatorWidth(bopt, painter));
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}
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painter->drawPixmap(QRect(QPoint(iconRect.center().x() - iconSize.width() / 2, iconRect.y()), iconSize), iconPix);
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break;
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}
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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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} else {
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// 绘制ElaIcon
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painter->save();
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if (bopt->state.testFlag(QStyle::State_Enabled)) {
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painter->setPen(ElaThemeColor(_themeMode, BasicText));
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} else {
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painter->setPen(ElaThemeColor(_themeMode, BasicTextDisable));
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}
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QFont iconFont = QFont("ElaAwesome");
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switch (bopt->toolButtonStyle) {
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case Qt::ToolButtonIconOnly: {
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iconFont.setPixelSize(0.75 * std::min(iconSize.width(), iconSize.height()));
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painter->setFont(iconFont);
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painter->drawText(iconRect, Qt::AlignCenter, widget->property("ElaIconType").toString());
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break;
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}
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case Qt::ToolButtonFollowStyle:
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case Qt::ToolButtonTextBesideIcon: {
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QRect adjustIconRect(iconRect.x() + _contentMargin, iconRect.y(), iconSize.width(), iconRect.height());
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iconFont.setPixelSize(0.75 * std::min(iconSize.width(), iconSize.height()));
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painter->setFont(iconFont);
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painter->drawText(adjustIconRect, Qt::AlignCenter, widget->property("ElaIconType").toString());
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break;
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}
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case Qt::ToolButtonTextUnderIcon: {
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if (bopt->features.testFlag(QStyleOptionToolButton::HasMenu) && !bopt->features.testFlag(QStyleOptionToolButton::MenuButtonPopup)) {
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iconRect.setRight(iconRect.right() - _calculateExpandIndicatorWidth(bopt, painter));
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}
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QRect adjustIconRect(iconRect.center().x() - iconSize.width() / 2, iconRect.y() + 0.2 * std::min(iconSize.width(), iconSize.height()),
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iconSize.width(), iconSize.height());
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iconFont.setPixelSize(0.8 * std::min(iconSize.width(), iconSize.height()));
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painter->setFont(iconFont);
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painter->drawText(adjustIconRect, Qt::AlignHCenter, widget->property("ElaIconType").toString());
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break;
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}
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default: {
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break;
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}
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}
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painter->restore();
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}
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}
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}
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void ElaToolButtonStyle::_drawText(QPainter *painter, QRect contentRect, const QStyleOptionToolButton *bopt) const {
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if (!bopt->text.isEmpty()) {
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if (bopt->state.testFlag(QStyle::State_Enabled)) {
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painter->setPen(ElaThemeColor(_themeMode, BasicText));
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} else {
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painter->setPen(ElaThemeColor(_themeMode, BasicTextDisable));
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}
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switch (bopt->toolButtonStyle) {
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case Qt::ToolButtonTextOnly: {
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contentRect.setLeft(contentRect.left() + _contentMargin);
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painter->drawText(contentRect, Qt::AlignLeft | Qt::AlignVCenter, bopt->text);
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break;
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}
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case Qt::ToolButtonTextBesideIcon: {
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painter->drawText(QRect(contentRect.x() + _contentMargin * 2 + bopt->iconSize.width(), contentRect.y(),
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contentRect.width() - bopt->iconSize.width(), contentRect.height()),
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Qt::AlignLeft | Qt::AlignVCenter, bopt->text);
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break;
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}
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case Qt::ToolButtonTextUnderIcon: {
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if (bopt->features.testFlag(QStyleOptionToolButton::HasMenu) && !bopt->features.testFlag(QStyleOptionToolButton::MenuButtonPopup)) {
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contentRect.setLeft(contentRect.left() + _contentMargin);
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painter->drawText(contentRect, Qt::AlignBottom | Qt::AlignLeft, bopt->text);
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} else {
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painter->drawText(contentRect, Qt::AlignBottom | Qt::AlignHCenter, bopt->text);
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}
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break;
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}
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case Qt::ToolButtonFollowStyle: {
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break;
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}
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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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qreal ElaToolButtonStyle::_calculateExpandIndicatorWidth(const QStyleOptionToolButton *bopt, QPainter *painter) const {
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// 展开指示器
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QSize iconSize = bopt->iconSize;
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painter->save();
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QFont iconFont = QFont("ElaAwesome");
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iconFont.setPixelSize(0.75 * std::min(iconSize.width(), iconSize.height()));
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painter->setFont(iconFont);
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int indicatorWidth = painter->fontMetrics().horizontalAdvance(QChar((unsigned short)ElaIconType::AngleDown));
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painter->restore();
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return indicatorWidth;
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}
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