forked from osmocom/wireshark
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/* editor_file_dialog.h
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*
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* File dialog that can be used as an "inline editor" in a table
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <ui/qt/widgets/editor_file_dialog.h>
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#include <ui/qt/widgets/wireshark_file_dialog.h>
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#include <QKeyEvent>
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#include <QStyle>
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#include "wsutil/utf8_entities.h"
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EditorFileDialog::EditorFileDialog(const QModelIndex& index, enum FileMode mode, QWidget* parent, const QString& caption, const QString& directory, const QString& filter)
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: QLineEdit(parent)
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, file_dialog_button_(new QPushButton(this))
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, index_(index)
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, mode_(mode)
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, caption_(caption)
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, directory_(directory)
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, filter_(filter)
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, options_(QFileDialog::Options())
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{
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if (mode_ == Directory)
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options_ = QFileDialog::ShowDirsOnly;
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if (!directory.isEmpty())
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setText(directory);
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file_dialog_button_->setText(UTF8_HORIZONTAL_ELLIPSIS);
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connect(file_dialog_button_, &QPushButton::clicked, this, &EditorFileDialog::applyFilename);
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}
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void EditorFileDialog::setOption(QFileDialog::Option option, bool on)
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{
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if (on)
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{
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options_ |= option;
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}
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else
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{
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options_ &= (~option);
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}
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}
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// QAbstractItemView installs QAbstractItemDelegate's event filter after
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// we've been created. We need to install our own event filter after that
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// happens so that we can steal tab keypresses.
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void EditorFileDialog::focusInEvent(QFocusEvent *event)
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{
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installEventFilter(this);
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QLineEdit::focusInEvent(event);
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}
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void EditorFileDialog::focusOutEvent(QFocusEvent *event)
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{
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removeEventFilter(this);
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QLineEdit::focusOutEvent(event);
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}
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bool EditorFileDialog::eventFilter(QObject *obj, QEvent *event)
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{
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if (event->type() == QEvent::KeyPress) {
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QKeyEvent* key = static_cast<QKeyEvent*>(event);
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if ((key->key() == Qt::Key_Tab) && !file_dialog_button_->hasFocus()) {
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file_dialog_button_->setFocus();
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return true;
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}
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}
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return QLineEdit::eventFilter(obj, event);
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}
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void EditorFileDialog::resizeEvent(QResizeEvent *)
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{
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// Move the button to the end of the line edit and set its height.
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QSize sz = file_dialog_button_->sizeHint();
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int frame_width = style()->pixelMetric(QStyle::PM_DefaultFrameWidth);
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file_dialog_button_->move(rect().right() - frame_width - sz.width(),
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contentsRect().top());
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file_dialog_button_->setMinimumHeight(contentsRect().height());
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file_dialog_button_->setMaximumHeight(contentsRect().height());
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}
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void EditorFileDialog::applyFilename()
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{
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QString file;
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if (mode_ == Directory)
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{
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file = WiresharkFileDialog::getExistingDirectory(this, caption_, directory_, options_);
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}
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else
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{
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file = WiresharkFileDialog::getOpenFileName(this, caption_, directory_, filter_, NULL, options_);
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}
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if (!file.isEmpty())
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{
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setText(file);
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emit acceptEdit(index_);
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}
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}
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