新增代码检索功能、提升业务转码效率等

main.cpp

@@ -4,11 +4,96 @@
 #include <QApplication>
 #include <QIcon>
 #include <QCoreApplication>
+#include <QEvent>
+#include <QKeyEvent>
+#include <QClipboard>
+#include <QKeySequence>
+#include <QLabel>
+#include <QAbstractItemView>
+#include <QModelIndex>
+#include <algorithm>
+
+// 全局文字可复制过滤器：
+// 1) 所有 QLabel（含 ElaText）文字可用鼠标选中并复制；
+// 2) 表格/树（QAbstractItemView）选中的单元格支持 Ctrl+C 复制，制表符分隔列、换行分隔行。
+class TextSelectableFilter : public QObject
+{
+public:
+    using QObject::QObject;
+
+protected:
+    bool eventFilter(QObject *watched, QEvent *event) override
+    {
+        if (event->type() == QEvent::Polish) {
+            if (QLabel *label = qobject_cast<QLabel *>(watched)) {
+                // 跳过用作图标按钮的 QLabel（有 pixmap 无文本），
+                // 否则会被强制设为竖线（IBeamCursor），影响点击类图标控件
+                if (label->pixmap().isNull()) {
+                    label->setTextInteractionFlags(label->textInteractionFlags()
+                                                   | Qt::TextSelectableByMouse);
+                    label->setCursor(Qt::IBeamCursor);
+                }
+            }
+        } else if (event->type() == QEvent::KeyPress) {
+            if (auto *view = qobject_cast<QAbstractItemView *>(watched)) {
+                auto *ke = static_cast<QKeyEvent *>(event);
+                if (ke->matches(QKeySequence::Copy)) {
+                    return copySelectedCells(view);
+                }
+            }
+        }
+        return QObject::eventFilter(watched, event);
+    }
+
+private:
+    static bool copySelectedCells(QAbstractItemView *view)
+    {
+        if (!view->selectionModel()) {
+            return false;
+        }
+        QModelIndexList idxs = view->selectionModel()->selectedIndexes();
+        if (idxs.isEmpty()) {
+            return false;
+        }
+        // 按行、列排序，保证复制顺序与显示一致
+        std::sort(idxs.begin(), idxs.end(),
+                  [](const QModelIndex &a, const QModelIndex &b) {
+                      if (a.row() != b.row()) {
+                          return a.row() < b.row();
+                      }
+                      return a.column() < b.column();
+                  });
+
+        QString text;
+        int lastRow = -1;
+        for (const QModelIndex &idx : idxs) {
+            if (idx.row() != lastRow) {
+                if (lastRow != -1) {
+                    text += QLatin1Char('\n');
+                }
+                lastRow = idx.row();
+            } else {
+                text += QLatin1Char('\t');
+            }
+            text += idx.data(Qt::DisplayRole).toString();
+        }
+        if (!text.isEmpty()) {
+            QApplication::clipboard()->setText(text);
+            return true; // 已处理，消费该事件
+        }
+        return false;
+    }
+};
 
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
     a.setWindowIcon(QIcon(":resources/images/ChangeCode.png"));
+
+    // 安装全局过滤器：所有页面文字 / 表格树单元格允许用户复制
+    TextSelectableFilter textSelectableFilter;
+    a.installEventFilter(&textSelectableFilter);
+
     eApp->init();
     
     QString basePath = QCoreApplication::applicationDirPath();
@@ -17,4 +102,4 @@ int main(int argc, char *argv[])
     MainWindow w;
     w.showMaximized();
     return a.exec();
-}
+}