From 7e465c3ab47841d594d9e4ab19f6527b7c526e2b Mon Sep 17 00:00:00 2001
From: zcy <zcy@xmu.edu.cn>
Date: Sat, 9 Apr 2022 21:02:25 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=89=8B=E5=8A=A8dpi?=
 =?UTF-8?q?=E9=80=82=E9=85=8D=E5=8A=9F=E8=83=BD?=
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---
 Qss.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++----
 Qss.h   |  5 ++++-
 2 files changed, 63 insertions(+), 5 deletions(-)

diff --git a/Qss.cpp b/Qss.cpp
index 4ead9c3..62c1915 100644
--- a/Qss.cpp
+++ b/Qss.cpp
@@ -24,6 +24,7 @@
 #include <QCoreApplication>
 #include <QGraphicsDropShadowEffect>
 #include <QPainterPath>
+#include <QAction>
 
 #define QSSDIALOG_SHADOW_WIDTH 12
 #define QSSDIALOG_BODER_WIDTH 0
@@ -45,10 +46,10 @@ static void rangeObjectList(QObject*obj,int indent){
 QssTtitleBar::QssTtitleBar(QWidget *parent ,
                            QTitleBar_Type type/* = QTitleBar_Type_Window*/)
     : QWidget(parent),
+      m_Main(nullptr),
       m_maxOrRestore(false),
       m_pressed(false),
-      m_type(type),
-      m_Main(nullptr)
+      m_type(type)
 {
     setObjectName("qssTitleBar");
     m_closeBtn = new QPushButton(this);
@@ -333,7 +334,8 @@ QssMainWindow::QssMainWindow(QWidget *parent/* = 0*/, Qt::WindowFlags flags/* =
                 SIGNAL(logicalDotsPerInchChanged(qreal)),
                 this,SLOT(LogicalDpiChange(qreal)));
     }
-    rangeObjectList(m_frame,0);
+//    rangeObjectList(m_frame,0);
+    detectDpi();
     return;
 }
 
@@ -342,6 +344,20 @@ QssMainWindow::~QssMainWindow()
     m_frame->deleteLater();
 }
 
+void QssMainWindow::AdapteDpi()
+{
+    QObjectList child = this->children();
+    int i = 0;
+    for(int i = 0;i < child.size();i++){
+       qDebug()<<child.at(i)->objectName() + " "
+                 + child.at(i)->metaObject()->className();
+
+       if(child.at(i)->children().size() > 0){
+            this->rangeObjectList(child.at(i),i + 1);
+       }
+    }
+}
+
 QWidget *QssMainWindow::TitleBar()
 {
     return m_titleBar;
@@ -397,7 +413,6 @@ enum {
     BUTTOMRIGHT = 33
 };
 
-
 void QssMainWindow::setCursorShape(int CalPos)
 {
     Qt::CursorShape cursor;
@@ -592,6 +607,46 @@ void QssMainWindow::dpiScaleChildren()
 
 }
 
+void QssMainWindow::detectDpi()
+{
+    m_dpi_ratio = this->logicalDpiX() / 96;
+}
+
+void QssMainWindow::rangeObjectList(QObject *obj, int indent)
+{
+    QObjectList child = obj->children();
+    QString tmp("");
+    for(int i = 0;i < indent;i++)
+        tmp +=" ";
+
+    for(int i = 0;i < child.size();i++){
+       qDebug()<<tmp + child.at(i)->objectName() + " " +
+                 child.at(i)->metaObject()->className();
+       if(child.at(i)->metaObject()->className() =="QAction"){
+           QAction *p = dynamic_cast<QAction*>(child.at(i));
+           if(nullptr != p){
+
+           }
+       }
+       if(strcmp(child.at(i)->metaObject()->className(),"QLabel") == 0){
+           QLabel *p = dynamic_cast<QLabel*>(child.at(i));
+           if(nullptr != p){
+                p->setFixedHeight(p->height()*this->m_dpi_ratio);
+           }
+       }
+       if(child.at(i)->metaObject()->className() =="QLabel"){
+           QLabel *p = dynamic_cast<QLabel*>(child.at(i));
+           if(nullptr != p){
+                p->setFixedHeight(p->height()*this->m_dpi_ratio);
+           }
+       }
+
+       if(child.at(i)->children().size() > 0){
+            this->rangeObjectList(child.at(i),indent + 1);
+       }
+    }
+}
+
 void QssMainWindow::showEvent(QShowEvent *ev)
 {
 
diff --git a/Qss.h b/Qss.h
index ffe926c..a09cf00 100644
--- a/Qss.h
+++ b/Qss.h
@@ -130,7 +130,7 @@ public:
     } EVENT_CUSTOM;
     QssMainWindow(QWidget *parent = 0, Qt::WindowFlags flags = 0,float scale = 1);
     virtual ~QssMainWindow();
-
+    void AdapteDpi();
     QWidget *TitleBar();
     void RangeObject();
     void DetectDpiChange();
@@ -156,6 +156,9 @@ private:
     void onMousePressEvent(QMouseEvent * ev);
     void onMouseReleaseEvent(QMouseEvent * ev);
     void dpiScaleChildren();
+    void detectDpi();
+
+    void rangeObjectList(QObject*obj,int indent);
 protected:
     QFrame* m_frame;
     QRect mFrameRect;