fix: load info is too long slow.

Change-Id: I9e369a68c1f5b406f33cbac9b32d1dc884b88ecd

deepin-font-installer/singlefilepage.cpp

@@ -30,30 +30,6 @@
 #include <QUrl>
 #include <QDir>
 
-const QString holdTextInRect(const QFontMetrics &fm, const QString &text, const QRect &rect)
-{
- const int textFlag = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap | Qt::TextWrapAnywhere;
-
- if (rect.contains(fm.boundingRect(rect, textFlag, text)))
- return text;
-
- QString str(text + "...");
-
- while (true)
- {
- if (str.size() < 4)
- break;
-
- QRect boundingRect = fm.boundingRect(rect, textFlag, str);
- if (rect.contains(boundingRect))
- break;
-
- str.remove(str.size() - 4, 1);
- }
-
- return str;
-}
-
 SingleFilePage::SingleFilePage(QWidget *parent)
  : QWidget(parent),
  m_fontInfoManager(DFontInfoManager::instance()),
@@ -204,22 +180,13 @@ void SingleFilePage::updateInfo(DFontInfo *info)
  m_fontInfo = info;
  refreshPage();
 
+ const QFontMetrics fm(m_copyrightLabel->font());
  m_nameLabel->setText(m_fontInfo->familyName);
  m_styleLabel->setText(m_fontInfo->styleName);
  m_typeLabel->setText(m_fontInfo->type);
-
- m_versionLabel->setText(holdTextInRect(m_versionLabel->fontMetrics(),
- m_fontInfo->version, QRect(0, 0, 100, 38)));
-
- const QFontMetrics cpfm(m_copyrightLabel->font());
- const int cpwidth = 400 - cpfm.width(tr("Copyright: "));
- m_copyrightLabel->setText(holdTextInRect(m_copyrightLabel->fontMetrics(),
- m_fontInfo->copyright, QRect(0, 0, cpwidth, cpfm.height() * 2)));
-
- const QFontMetrics descfm(m_descriptionLabel->font());
- const int descwidth = 400 - descfm.width(tr("Description: "));
- m_descriptionLabel->setText(holdTextInRect(m_descriptionLabel->fontMetrics(),
- m_fontInfo->description, QRect(0, 0, descwidth, descfm.height() * 2)));
+ m_versionLabel->setText(fm.elidedText(m_fontInfo->version, Qt::ElideRight, 300));
+ m_copyrightLabel->setText(fm.elidedText(m_fontInfo->copyright, Qt::ElideRight, 700));
+ m_descriptionLabel->setText(fm.elidedText(m_fontInfo->description, Qt::ElideRight, 720));
 }
 
 void SingleFilePage::refreshPage()