106 lines
3.4 KiB
C++
106 lines
3.4 KiB
C++
#include "src/mainwindow/mainwindow.h"
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#include "ElaApplication.h"
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#include "src/utils/configmanager.h"
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#include <QApplication>
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#include <QIcon>
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#include <QCoreApplication>
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#include <QEvent>
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#include <QKeyEvent>
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#include <QClipboard>
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#include <QKeySequence>
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#include <QLabel>
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#include <QAbstractItemView>
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#include <QModelIndex>
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#include <algorithm>
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// 全局文字可复制过滤器：
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// 1) 所有 QLabel（含 ElaText）文字可用鼠标选中并复制；
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// 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。
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class TextSelectableFilter : public QObject
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{
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public:
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using QObject::QObject;
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protected:
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bool eventFilter(QObject *watched, QEvent *event) override
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{
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if (event->type() == QEvent::Polish) {
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if (QLabel *label = qobject_cast<QLabel *>(watched)) {
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// 跳过用作图标按钮的 QLabel（有 pixmap 无文本），
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// 否则会被强制设为竖线（IBeamCursor），影响点击类图标控件
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if (label->pixmap().isNull()) {
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label->setTextInteractionFlags(label->textInteractionFlags()
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| Qt::TextSelectableByMouse);
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label->setCursor(Qt::IBeamCursor);
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}
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}
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} else if (event->type() == QEvent::KeyPress) {
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if (auto *view = qobject_cast<QAbstractItemView *>(watched)) {
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auto *ke = static_cast<QKeyEvent *>(event);
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if (ke->matches(QKeySequence::Copy)) {
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return copySelectedCells(view);
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}
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}
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}
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return QObject::eventFilter(watched, event);
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}
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private:
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static bool copySelectedCells(QAbstractItemView *view)
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{
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if (!view->selectionModel()) {
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return false;
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}
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QModelIndexList idxs = view->selectionModel()->selectedIndexes();
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if (idxs.isEmpty()) {
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return false;
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}
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// 按行、列排序，保证复制顺序与显示一致
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std::sort(idxs.begin(), idxs.end(),
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[](const QModelIndex &a, const QModelIndex &b) {
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if (a.row() != b.row()) {
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return a.row() < b.row();
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}
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return a.column() < b.column();
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});
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QString text;
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int lastRow = -1;
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for (const QModelIndex &idx : idxs) {
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if (idx.row() != lastRow) {
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if (lastRow != -1) {
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text += QLatin1Char('\n');
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}
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lastRow = idx.row();
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} else {
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text += QLatin1Char('\t');
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}
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text += idx.data(Qt::DisplayRole).toString();
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}
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if (!text.isEmpty()) {
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QApplication::clipboard()->setText(text);
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return true; // 已处理，消费该事件
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}
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return false;
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}
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};
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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a.setWindowIcon(QIcon(":resources/images/ChangeCode.png"));
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// 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
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TextSelectableFilter textSelectableFilter;
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a.installEventFilter(&textSelectableFilter);
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eApp->init();
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QString basePath = QCoreApplication::applicationDirPath();
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ConfigManager::instance()->loadConfig(basePath);
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MainWindow w;
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w.showMaximized();
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return a.exec();
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}
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