From 36376dfbd132f4eeb6d446f45f2f99dc1da155cd Mon Sep 17 00:00:00 2001
From: chenzhe <chenzhe_cm@deepin.com>
Date: Mon, 13 Jan 2020 17:59:55 +0800
Subject: [PATCH] =?UTF-8?q?fix(dock):Font=20set=20to=2020,=20incomplete=20?=
 =?UTF-8?q?date=20display=20in=20taskbar=20efficient=20mode=20=E5=AD=97?=
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---
 plugins/datetime/datetimewidget.cpp | 22 +++++++++++++++++++---
 plugins/datetime/datetimewidget.h   |  1 +
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/plugins/datetime/datetimewidget.cpp b/plugins/datetime/datetimewidget.cpp
index df1cdc55b..4854817ff 100644
--- a/plugins/datetime/datetimewidget.cpp
+++ b/plugins/datetime/datetimewidget.cpp
@@ -71,6 +71,7 @@ QSize DatetimeWidget::curTimeSize() const
     const Dock::Position position = qApp->property(PROP_POSITION).value<Dock::Position>();
 
     m_timeFont = TIME_FONT;
+    m_dateFont = DATE_FONT;
     QFontMetrics fm(m_timeFont);
     QString format;
     if (m_24HourFormat)
@@ -88,12 +89,26 @@ QSize DatetimeWidget::curTimeSize() const
         QStringList SL = timeString.split("\n");
         timeSize = QSize(fm.boundingRect(SL.at(0)).width(), fm.boundingRect(SL.at(0)).height() + fm.boundingRect(SL.at(1)).height());
     } else {
-        QSize dateSize = QFontMetrics(DATE_FONT).boundingRect("0000/00/00").size();
-        if (timeSize.width() < dateSize.width())
+        QSize dateSize = QFontMetrics(m_dateFont).boundingRect("0000/00/00").size();
+        if (timeSize.width() < dateSize.width() && rect().height() >= SHOW_DATE_MIN_HEIGHT)
             timeSize.setWidth(dateSize.width());
     }
 
     if (position == Dock::Bottom || position == Dock::Top) {
+        if (rect().height() >= SHOW_DATE_MIN_HEIGHT) {
+            QStringList SL = timeString.split("\n");
+            int date_dec=m_timeFont.pixelSize()-m_dateFont.pixelSize();
+            while (QFontMetrics(m_timeFont).boundingRect(timeString).size().height() + 11 > height()) {
+                m_timeFont.setPixelSize(m_timeFont.pixelSize() - 1);
+                m_dateFont.setPixelSize(m_timeFont.pixelSize() - date_dec);
+            }
+        } else {
+            while (QFontMetrics(m_timeFont).boundingRect(timeString).size().height() > height() + 10) {
+                m_timeFont.setPixelSize(m_timeFont.pixelSize() - 1);
+            }
+            timeSize.setWidth(QFontMetrics(m_timeFont).boundingRect(timeString).size().width());
+        }
+
         return QSize(timeSize.width(), height());
     } else {
         if (width() < timeSize.width()) {
@@ -158,6 +173,7 @@ void DatetimeWidget::paintEvent(QPaintEvent *e)
     painter.setPen(QPen(palette().brightText(), 1));
 
     if (rect().height() >= SHOW_DATE_MIN_HEIGHT) {
+
         QRect timeRect = rect();
         timeRect.setBottom(rect().center().y() + m_timeOffset);
 
@@ -167,7 +183,7 @@ void DatetimeWidget::paintEvent(QPaintEvent *e)
             QRect dateRect = rect();
             dateRect.setTop(timeRect.bottom());
             format = "yyyy/MM/dd";
-            painter.setFont(DATE_FONT);
+            painter.setFont(m_dateFont);
             painter.drawText(dateRect, Qt::AlignTop | Qt::AlignHCenter, current.toString(format));
         } else {
             painter.drawText(rect(), Qt::AlignVCenter | Qt::AlignHCenter, current.toString(format));
diff --git a/plugins/datetime/datetimewidget.h b/plugins/datetime/datetimewidget.h
index 26f73a17f..be46ee0c1 100644
--- a/plugins/datetime/datetimewidget.h
+++ b/plugins/datetime/datetimewidget.h
@@ -49,6 +49,7 @@ private:
     bool m_24HourFormat;
     int m_timeOffset;
     mutable QFont m_timeFont;
+    mutable QFont m_dateFont;
 };
 
 #endif // DATETIMEWIDGET_H