131 lines
4.2 KiB
C++
131 lines
4.2 KiB
C++
#include "./pathselection.h"
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#include "./clearlineedit.h"
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#include "../misc/desktoputils.h"
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#include <c++utilities/io/path.h>
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#include <QCompleter>
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#include <QFileDialog>
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#include <QFileSystemModel>
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#include <QHBoxLayout>
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#include <QMenu>
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#include <QPushButton>
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#include <QStringBuilder>
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#ifndef QT_NO_CONTEXTMENU
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#include <QContextMenuEvent>
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#endif
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#include <functional>
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#include <memory>
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using namespace std;
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namespace QtUtilities {
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/*!
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* \class PathSelection
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* \brief A QLineEdit with a QPushButton next to it which allows to select
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* file/directory via QFileDialog.
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*/
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QCompleter *PathSelection::s_completer = nullptr;
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/*!
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* \brief Constructs a path selection widget.
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*/
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PathSelection::PathSelection(QWidget *parent)
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: QWidget(parent)
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, m_lineEdit(new ClearLineEdit(this))
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, m_button(new QPushButton(this))
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, m_customDialog(nullptr)
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, m_customMode(QFileDialog::Directory)
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{
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if (!s_completer) {
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s_completer = new QCompleter;
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s_completer->setCompletionMode(QCompleter::UnfilteredPopupCompletion);
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auto *const fileSystemModel = new QFileSystemModel(s_completer);
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fileSystemModel->setRootPath(QString());
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s_completer->setModel(fileSystemModel);
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}
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m_lineEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
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m_lineEdit->installEventFilter(this);
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m_lineEdit->setCompleter(s_completer);
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m_button->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed);
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m_button->setText(tr("Select ..."));
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auto *const layout = new QHBoxLayout(this);
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layout->setSpacing(3);
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layout->setContentsMargins(0, 0, 0, 0);
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layout->addWidget(m_lineEdit);
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layout->addWidget(m_button);
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setLayout(layout);
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connect(m_button, &QPushButton::clicked, this, &PathSelection::showFileDialog);
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}
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bool PathSelection::eventFilter(QObject *obj, QEvent *event)
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{
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#ifndef QT_NO_CONTEXTMENU
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if (obj == m_lineEdit) {
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switch (event->type()) {
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case QEvent::ContextMenu: {
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unique_ptr<QMenu> menu(m_lineEdit->createStandardContextMenu());
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menu->addSeparator();
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connect(menu->addAction(QIcon::fromTheme(QStringLiteral("document-open")), tr("Select ...")), &QAction::triggered, this,
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&PathSelection::showFileDialog);
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QFileInfo fileInfo(m_lineEdit->text());
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if (fileInfo.exists()) {
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if (fileInfo.isFile()) {
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connect(menu->addAction(QIcon::fromTheme(QStringLiteral("system-run")), tr("Open")), &QAction::triggered,
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bind(&openLocalFileOrDir, m_lineEdit->text()));
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} else if (fileInfo.isDir()) {
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connect(menu->addAction(QIcon::fromTheme(QStringLiteral("system-file-manager")), tr("Explore")), &QAction::triggered,
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bind(&openLocalFileOrDir, m_lineEdit->text()));
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}
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}
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menu->exec(static_cast<QContextMenuEvent *>(event)->globalPos());
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}
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return true;
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default:;
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}
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}
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#endif
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return QWidget::eventFilter(obj, event);
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}
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void PathSelection::showFileDialog()
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{
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QString directory;
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QFileInfo fileInfo(m_lineEdit->text());
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if (fileInfo.exists()) {
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if (fileInfo.isFile()) {
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directory = fileInfo.absoluteDir().absolutePath();
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} else {
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directory = fileInfo.absolutePath();
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}
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}
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if (m_customDialog) {
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m_customDialog->setDirectory(directory);
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if (m_customDialog->exec() == QFileDialog::Accepted) {
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m_lineEdit->selectAll();
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m_lineEdit->insert(m_customDialog->selectedFiles().join(SEARCH_PATH_SEP_CHAR));
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}
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} else {
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QFileDialog dialog(this);
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dialog.setDirectory(directory);
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dialog.setFileMode(m_customMode);
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if (window()) {
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dialog.setWindowTitle(tr("Select path") % QStringLiteral(" - ") % window()->windowTitle());
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} else {
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dialog.setWindowTitle(tr("Select path"));
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}
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if (dialog.exec() == QFileDialog::Accepted) {
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m_lineEdit->selectAll();
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m_lineEdit->insert(dialog.selectedFiles().join(SEARCH_PATH_SEP_CHAR));
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}
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}
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}
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} // namespace QtUtilities
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