forked from osmocom/wireshark
142 lines
3.8 KiB
C++
142 lines
3.8 KiB
C++
/* path_chooser_delegate.cpp
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* Delegate to select a file path for a treeview entry
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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 "config.h"
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#include "epan/prefs.h"
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#include "ui/last_open_dir.h"
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#include <ui/qt/models/path_chooser_delegate.h>
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#include "ui/qt/widgets/wireshark_file_dialog.h"
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#include <QHBoxLayout>
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#include <QPushButton>
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#include <QWidget>
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#include <QLineEdit>
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PathChooserDelegate::PathChooserDelegate(QObject *parent)
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: QStyledItemDelegate(parent)
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{
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}
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QWidget* PathChooserDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &) const
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{
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QWidget * pathEditor = new QWidget(parent);
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QHBoxLayout *hbox = new QHBoxLayout(pathEditor);
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pathEditor->setLayout(hbox);
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QLineEdit * lineEdit = new QLineEdit(pathEditor);
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QPushButton *btnBrowse = new QPushButton(pathEditor);
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btnBrowse->setText(tr("Browse"));
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hbox->setContentsMargins(0, 0, 0, 0);
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hbox->addWidget(lineEdit);
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hbox->addWidget(btnBrowse);
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hbox->setSizeConstraint(QLayout::SetMinimumSize);
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// Grow the item to match the editor. According to the QAbstractItemDelegate
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// documenation we're supposed to reimplement sizeHint but this seems to work.
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QSize size = option.rect.size();
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size.setHeight(qMax(option.rect.height(), hbox->sizeHint().height()));
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lineEdit->selectAll();
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pathEditor->setFocusProxy(lineEdit);
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pathEditor->setFocusPolicy(lineEdit->focusPolicy());
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connect(btnBrowse, &QPushButton::clicked, this, &PathChooserDelegate::browseButtonClicked);
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return pathEditor;
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}
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void PathChooserDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &) const
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{
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QRect rect = option.rect;
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// Make sure the editor doesn't get squashed.
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editor->adjustSize();
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rect.setHeight(qMax(option.rect.height(), editor->height()));
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editor->setGeometry(rect);
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}
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void PathChooserDelegate::browseButtonClicked()
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{
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char *open_dir = NULL;
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switch ( prefs.gui_fileopen_style )
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{
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case FO_STYLE_LAST_OPENED:
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open_dir = get_last_open_dir();
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break;
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case FO_STYLE_SPECIFIED:
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if ( prefs.gui_fileopen_dir[0] != '\0' )
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open_dir = prefs.gui_fileopen_dir;
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break;
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}
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QWidget * qw = new QWidget();
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QString file_name = WiresharkFileDialog::getOpenFileName(qw, tr("Open Pipe"), open_dir);
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if ( !file_name.isEmpty() )
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{
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QWidget * parent = ((QPushButton *)sender())->parentWidget();
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QLineEdit * lineEdit = parent->findChild<QLineEdit*>();
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if ( lineEdit )
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{
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lineEdit->setText(file_name);
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emit commitData(parent);
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}
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}
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delete(qw);
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}
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void PathChooserDelegate::setEditorData(QWidget *editor, const QModelIndex &idx) const
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{
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if ( idx.isValid() )
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{
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QString content = idx.data().toString();
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QLineEdit * lineEdit = editor->findChild<QLineEdit*>();
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if ( lineEdit )
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{
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lineEdit->setText(content);
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}
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}
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else
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QStyledItemDelegate::setEditorData(editor, idx);
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}
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void PathChooserDelegate::setModelData(QWidget *editor, QAbstractItemModel * model, const QModelIndex &idx) const
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{
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if ( idx.isValid() )
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{
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QLineEdit * lineEdit = editor->findChild<QLineEdit*>();
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if ( lineEdit )
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{
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model->setData(idx, lineEdit->text());
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}
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}
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else
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{
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QStyledItemDelegate::setModelData(editor, model, idx);
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}
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}
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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