Align the icon and the title in search list by overriding the drawControl method.

frontend/view/best-list-view.cpp

@@ -8,6 +8,7 @@
 using namespace UkuiSearch;
 BestListView::BestListView(QWidget *parent) : QTreeView(parent)
 {
+    setStyle(ResultItemStyle::getStyle());
     this->setFrameShape(QFrame::NoFrame);
     this->viewport()->setAutoFillBackground(false);
     this->setIconSize(QSize(VIEW_ICON_SIZE, VIEW_ICON_SIZE));

frontend/view/result-view-delegate.cpp

@@ -1,5 +1,6 @@
 #include "result-view-delegate.h"
 using namespace UkuiSearch;
+static ResultItemStyle *global_instance_of_item_style = nullptr;
 
 ResultViewDelegate::ResultViewDelegate(QObject *parent) : QStyledItemDelegate(parent)
 {
@@ -38,7 +39,8 @@ void ResultViewDelegate::paint(QPainter * painter, const QStyleOptionViewItem &
         ctx.palette.setColor(QPalette::Text, optionV4.palette.color(QPalette::Active, QPalette::HighlightedText));
 
     QRect textRect = style->subElementRect(QStyle::SE_ItemViewItemText, &optionV4);
-    textRect.adjust(0, 0, 0, 0);
+    //使图标和文本间隔与原来保持一致，故文本区域右移4
+    textRect.adjust(4, 0, 0, 0);
     painter->save();
     painter->translate(textRect.topLeft());
     painter->setClipRect(textRect.translated(-textRect.topLeft()));
@@ -87,3 +89,71 @@ QString ResultViewDelegate::escapeHtml(const QString &str) const
     temp.replace(">", ">");
     return temp;
 }
+
+ResultItemStyle *ResultItemStyle::getStyle()
+{
+    if (!global_instance_of_item_style) {
+        global_instance_of_item_style = new ResultItemStyle;
+    }
+    return global_instance_of_item_style;
+}
+
+void ResultItemStyle::drawControl(QStyle::ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const
+{
+    switch (element) {
+    case CE_ItemViewItem: {
+        if (const QStyleOptionViewItem *vopt = qstyleoption_cast<const QStyleOptionViewItem *>(option)) {
+            painter->save();
+            if (painter->clipPath().isEmpty()) {
+                painter->setClipRect(option->rect);
+            }
+
+            QRect checkRect = proxy()->subElementRect(SE_ItemViewItemCheckIndicator, vopt, widget);
+            QRect iconRect = proxy()->subElementRect(SE_ItemViewItemDecoration, vopt, widget);
+
+            // draw the background
+            proxy()->drawPrimitive(PE_PanelItemViewItem, option, painter, widget);
+
+            // draw the check mark
+            if (vopt->features & QStyleOptionViewItem::HasCheckIndicator) {
+                QStyleOptionViewItem option(*vopt);
+                option.rect = checkRect;
+                option.state = option.state & ~QStyle::State_HasFocus;
+
+                switch (vopt->checkState) {
+                case Qt::Unchecked:
+                    option.state |= QStyle::State_Off;
+                    break;
+                case Qt::PartiallyChecked:
+                    option.state |= QStyle::State_NoChange;
+                    break;
+                case Qt::Checked:
+                    option.state |= QStyle::State_On;
+                    break;
+                default:
+                    break;
+                }
+                proxy()->drawPrimitive(QStyle::PE_IndicatorViewItemCheck, &option, painter, widget);
+            }
+
+            // draw the icon
+            QIcon::Mode mode = QIcon::Normal;
+            if (!(vopt->state & QStyle::State_Enabled)) {
+                mode = QIcon::Disabled;
+            } else if (vopt->state & QStyle::State_Selected) {
+                mode = QIcon::Selected;
+            }
+            QIcon::State state = vopt->state & QStyle::State_Open ? QIcon::On : QIcon::Off;
+            auto pixmap = vopt->icon.pixmap(vopt->decorationSize, mode, state);
+
+            iconRect.moveLeft(8);
+            QStyle::drawItemPixmap(painter, iconRect, vopt->decorationAlignment, pixmap);
+            painter->restore();
+            return;
+        }
+        break;
+    }
+    default:
+        break;
+    }
+}

frontend/view/result-view-delegate.h

@@ -26,6 +26,7 @@
 #include <QStyle>
 #include <QTextDocument>
 #include <QAbstractTextDocumentLayout>
+#include <QProxyStyle>
 #include "global-settings.h"
 
 namespace UkuiSearch {
@@ -43,6 +44,16 @@ private:
     QString getHtmlText(QPainter *, const QStyleOptionViewItem &, const QModelIndex &) const;
     QString escapeHtml(const QString&) const;
 };
+
+class ResultItemStyle : public QProxyStyle
+{
+public:
+    static ResultItemStyle *getStyle();
+    void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = nullptr) const override;
+private:
+    explicit ResultItemStyle() {}
+    ~ResultItemStyle() = default;
+};
 }
 
 #endif // RESULTVIEWDELEGATE_H

frontend/view/result-view.cpp

@@ -160,6 +160,7 @@ void ResultWidget::initConnections()
 
 ResultView::ResultView(const QString &plugin_id, QWidget *parent) : QTreeView(parent)
 {
+    setStyle(ResultItemStyle::getStyle());
     this->setFrameShape(QFrame::NoFrame);
     this->viewport()->setAutoFillBackground(false);
     this->setIconSize(QSize(VIEW_ICON_SIZE, VIEW_ICON_SIZE));

libsearch/plugininterface/separation-line.cpp

@@ -4,7 +4,7 @@
 #define NOMORL_LINE_STYLE "QFrame{background: rgba(0,0,0,0.1);}"
 #define DARK_LINE_STYLE "QFrame{background: rgba(255, 255, 255, 0.16);}"
 
-using namespace Zeeker;
+using namespace UkuiSearch;
 SeparationLine::SeparationLine(QWidget *parent) : QFrame(parent)
 {
     this->setLineWidth(0);