CustomMarkdownHighlighter.cpp

customapplicationstyle.cpp两个文件

source/src/customMarkdownHighlighter.cpp

@@ -6,8 +6,9 @@ CustomMarkdownHighlighter::CustomMarkdownHighlighter(QTextDocument *parent,
     : MarkdownHighlighter(parent, highlightingOptions)
 {
     setListsColor(QColor(35, 131, 226)); // accent color
-
+    //设置列表颜色为蓝色，即特定的强调色
     _formats[static_cast<HighlighterState>(HighlighterState::HorizontalRuler)].clearBackground();
+    //清除水平分隔线的背景色
 }
 
 void CustomMarkdownHighlighter::setHeaderColors(QColor color)
@@ -30,29 +31,36 @@ void CustomMarkdownHighlighter::setFontSize(qreal fontSize)
         // H1 => size = fontSize * 1.6
         // H6 => size = fontSize * 1.1
         qreal size = fontSize * (1.6 - (i - HighlighterState::H1) * 0.1);
+        //启发我们可以通过一定的计算来避免存储空间的浪费，即用计算时的空间换取存储时的空间
         _formats[static_cast<HighlighterState>(i)].setFontPointSize(size);
     }
 
     qreal codeBlockFontSize = fontSize - 4;
     _formats[static_cast<HighlighterState>(HighlighterState::InlineCodeBlock)].setFontPointSize(
             codeBlockFontSize);
+    //改变块间距
 }
 
 void CustomMarkdownHighlighter::setListsColor(QColor color)
 {
     _formats[static_cast<HighlighterState>(HighlighterState::CheckBoxUnChecked)].setForeground(
             color);
+    //设置未选中的复选框
     _formats[static_cast<HighlighterState>(HighlighterState::CheckBoxChecked)].setForeground(
             QColor(90, 113, 140));
+    //设置已选中的复选框
     _formats[static_cast<HighlighterState>(HighlighterState::List)].setForeground(color);
+    //设置列表前景颜色
     _formats[static_cast<HighlighterState>(HighlighterState::BlockQuote)].setForeground(color);
+    //设置块引用前景颜色
 }
 
 void CustomMarkdownHighlighter::setTheme(Theme::Value theme, QColor textColor, qreal fontSize)
 {
+    //设置标题颜色和字体大小
     setHeaderColors(textColor);
     setFontSize(fontSize);
-
+    //根据主题设置代码块的背景色和前景色
     switch (theme) {
     case Theme::Light:
         _formats[static_cast<HighlighterState>(HighlighterState::InlineCodeBlock)].setBackground(

source/src/customapplicationstyle.cpp

@@ -7,13 +7,14 @@ void CustomApplicationStyle::drawPrimitive(PrimitiveElement element, const QStyl
                                            QPainter *painter, const QWidget *widget) const
 {
     if (element == QStyle::PE_IndicatorItemViewItemDrop) {
+        //此为用户拖动进来的操作流程
         painter->setRenderHint(QPainter::Antialiasing, true);
 
         QColor color(207, 207, 207);
         QPen pen(color);
         pen.setWidth(2);
         painter->setPen(pen);
-
+        //设置一个宽度为2的灰色画笔
         if (option->rect.height() == 0) {
             color.setAlpha(50);
             painter->setBrush(color);
@@ -22,7 +23,9 @@ void CustomApplicationStyle::drawPrimitive(PrimitiveElement element, const QStyl
             color.setAlpha(200);
             painter->fillRect(option->rect, color);
         }
+        //如果高度为0，透明度设置为50%，画线；否则设为不透明，填充灰色
     } else {
+        //此为默认创建流程
         QProxyStyle::drawPrimitive(element, option, painter, widget);
     }
 }
@@ -31,5 +34,6 @@ void CustomApplicationStyle::setTheme(Theme::Value theme)
 {
     m_theme = theme;
 }
-
+//初始化主题
 CustomApplicationStyle::CustomApplicationStyle() : m_theme(Theme::Light) { }
+//初始化主题，默认主题为浅色

source/src/customapplicationstyle.h

@@ -11,8 +11,9 @@ public:
 
     void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter,
                        const QWidget *widget) const;
+    //重写绘制函数
     void setTheme(Theme::Value theme);
-
+    //存储当前的主题值
 private:
     Theme::Value m_theme;
 };