!25 将时区界面内世界地图尺寸改为根据分辨率自动缩放，以免显示不全

Merge pull request !25 from 杨东海/openkylin/yangtze：将时区界面内世界地图尺寸改为根据分辨率自动缩放，以免显示不全

debian/changelog

@@ -1,3 +1,9 @@
+kylin-os-installer (0.2.1-0k21) yangtze; urgency=medium
+
+  *openKylin 1.0版本时区界面内世界地图尺寸改为根据分辨率自动缩放，以免显示不全 
+
+ -- yangdonghai <yangdonghai@kylinos.cn>  Fri, 21 Jul 2023 17:29:16 +0800
+
 kylin-os-installer (0.2.1-0k20ubuntu1) yangtze; urgency=medium
 
   * openKylin 1.0版本,解决低分辨率下用户设置界面显示不全问题

src/plugins/KTimeZone/mapwidget.cpp

@@ -7,6 +7,8 @@
 #include <QEvent>
 #include <QDebug>
 #include <QPicture>
+#include <QGuiApplication>
+#include <QScreen>
 
 #ifndef M_PI
 #define M_PI 3.14159265358979323846
@@ -14,7 +16,24 @@
 MapWidget::MapWidget(QWidget *parent) : QWidget(parent)
 {
     this->setObjectName("MapWidget");
+
     m_backgroundImage = QImage(":/res/png/bg.jpg");
+    //当显示器分辨率太小时，就缩小世界地图
+    QScreen* NowScreen=QGuiApplication::primaryScreen();
+    int SCreenHeight=NowScreen->size().height();
+    int SCreenWidth=NowScreen->size().width();
+    if(1024 > SCreenWidth)
+    {
+        if(600 < SCreenWidth)
+        {
+            m_backgroundImage = m_backgroundImage.scaled(m_backgroundImage.width()*0.6, m_backgroundImage.height()*0.6, Qt::KeepAspectRatio);
+        }
+        else
+        {
+            m_backgroundImage = m_backgroundImage.scaled(m_backgroundImage.width()*0.3, m_backgroundImage.height()*0.3, Qt::KeepAspectRatio);
+        }
+    }
+
     m_pointpng = QImage(":/res/png/point.png");
     this->setMinimumSize(m_backgroundImage.size());
     this->setMaximumSize(m_backgroundImage.size());