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https://github.com/linuxdeepin/dde-dock.git
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deeb523fea
tooltip的应用名称显示绘制时，字体所占像素调整为字体实际使用rect高度的一半减一最为合适，否则碰到藏文这种特殊字体会导致显示不全 Log: 修复切换藏语，任务栏中tooltip的应用名称显示异常，藏语头部被截断 Bug: https://pms.uniontech.com/zentao/bug-view-76847.html Change-Id: Ia999ef70acb93bdf9b6d7039c9facac5b21e9250
111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
#include "tipswidget.h"
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#include <QPainter>
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#include <QAccessible>
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#include <QTextDocument>
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namespace Dock{
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TipsWidget::TipsWidget(QWidget *parent)
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: QFrame(parent)
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, m_width(0)
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, m_type(SingleLine)
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{
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}
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void TipsWidget::setText(const QString &text)
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{
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m_type = TipsWidget::SingleLine;
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// 如果传递的是富文本，获取富文本中的纯文本内容进行显示
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QTextDocument document;
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document.setHtml(text);
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// 同时去掉两边的空白信息，例如qBittorrent的提示
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m_text = document.toPlainText().simplified();
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setFixedSize(fontMetrics().width(m_text) + 20, fontMetrics().height());
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update();
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#ifndef QT_NO_ACCESSIBILITY
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if (accessibleName().isEmpty()) {
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QAccessibleEvent event(this, QAccessible::NameChanged);
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QAccessible::updateAccessibility(&event);
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}
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#endif
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}
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void TipsWidget::setTextList(const QStringList &textList)
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{
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m_type = TipsWidget::MultiLine;
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m_textList = textList;
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int maxLength = 0;
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int k = fontMetrics().height() * m_textList.size();
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setFixedHeight(k);
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for (QString text : m_textList) {
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int fontLength = fontMetrics().width(text) + 20;
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maxLength = maxLength > fontLength ? maxLength : fontLength;
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}
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m_width = maxLength;
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setFixedWidth(maxLength);
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update();
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}
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void TipsWidget::paintEvent(QPaintEvent *event)
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{
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QFrame::paintEvent(event);
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QPainter painter(this);
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painter.setPen(QPen(palette().brightText(), 1));
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QTextOption option;
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int fontHeight = fontMetrics().height();
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option.setAlignment(Qt::AlignCenter);
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QFont textFont;
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textFont.setPixelSize(rect().height() / 2 - 1);
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painter.setFont(textFont);
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switch (m_type) {
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case SingleLine: {
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painter.drawText(rect(), m_text, option);
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}
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break;
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case MultiLine: {
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int y = 0;
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if (m_textList.size() != 1)
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option.setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
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for (QString text : m_textList) {
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painter.drawText(QRect(0, y, m_width, fontHeight), text, option);
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y += fontHeight;
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}
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}
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break;
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}
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}
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bool TipsWidget::event(QEvent *event)
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{
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if (event->type() == QEvent::FontChange) {
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if (m_type == SingleLine) {
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if (!m_text.trimmed().isEmpty()) {
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setFixedSize(fontMetrics().width(m_text) + 6, fontMetrics().height());
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update();
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}
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} else {
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if (m_textList.size() > 0) {
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int maxLength = 0;
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setFixedHeight(fontMetrics().height() * m_textList.size());
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for (QString text : m_textList) {
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int fontLength = fontMetrics().width(text) + 6;
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maxLength = qMax(maxLength,fontLength);
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}
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m_width = maxLength;
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setFixedWidth(maxLength);
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update();
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}
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}
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}
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return QFrame::event(event);
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}
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}
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