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Diffstat (limited to 'ui/qt/models/uat_delegate.cpp')
| -rw-r--r-- | ui/qt/models/uat_delegate.cpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/ui/qt/models/uat_delegate.cpp b/ui/qt/models/uat_delegate.cpp new file mode 100644 index 0000000..4e7d25b --- /dev/null +++ b/ui/qt/models/uat_delegate.cpp @@ -0,0 +1,221 @@ +/* uat_delegate.cpp + * Delegates for editing various field types in a UAT record. + * + * Copyright 2016 Peter Wu <peter@lekensteyn.nl> + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include <ui/qt/models/uat_delegate.h> +#include <epan/packet.h> // for get_dissector_names() +#include "epan/value_string.h" +#include <wsutil/ws_assert.h> +#include <QRegularExpression> +#include <QComboBox> +#include <QEvent> +#include <QFileDialog> +#include <QLineEdit> +#include <QCheckBox> +#include <QColorDialog> + +#include <ui/qt/widgets/display_filter_edit.h> +#include <ui/qt/widgets/dissector_syntax_line_edit.h> +#include <ui/qt/widgets/field_filter_edit.h> +#include <ui/qt/widgets/editor_file_dialog.h> +#include <ui/qt/widgets/path_selection_edit.h> + +// The Qt docs suggest overriding updateEditorGeometry, but the +// defaults seem sane. + +UatDelegate::UatDelegate(QObject *parent) : QStyledItemDelegate(parent) +{ +} + +uat_field_t *UatDelegate::indexToField(const QModelIndex &index) const +{ + const QVariant v = index.model()->data(index, Qt::UserRole); + return static_cast<uat_field_t *>(v.value<void *>()); +} + +QWidget *UatDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem &option, + const QModelIndex &index) const +{ + uat_field_t *field = indexToField(index); + QWidget *editor = nullptr; + + switch (field->mode) { + case PT_TXTMOD_DIRECTORYNAME: + case PT_TXTMOD_FILENAME: + if (index.isValid()) { + QString filename_old = index.model()->data(index, Qt::EditRole).toString(); + PathSelectionEdit * pathEdit = new PathSelectionEdit(field->title, QString(), field->mode != PT_TXTMOD_DIRECTORYNAME, parent); + connect(pathEdit, &PathSelectionEdit::pathChanged, this, &UatDelegate::pathHasChanged); + return pathEdit; + } + break; + case PT_TXTMOD_COLOR: + if (index.isValid()) { + QColor color(index.model()->data(index, Qt::DecorationRole).toString()); + QColorDialog * colorDialog = new QColorDialog(color, parent); + // Don't fall through and set setAutoFillBackground(true) + return colorDialog; + } + break; + + case PT_TXTMOD_ENUM: + { + // Note: the string repr. is written, not the integer value. + QComboBox *cb_editor = new QComboBox(parent); + const value_string *enum_vals = (const value_string *)field->fld_data; + for (int i = 0; enum_vals[i].strptr != nullptr; i++) { + cb_editor->addItem(enum_vals[i].strptr); + } + editor = cb_editor; + cb_editor->setMinimumWidth(cb_editor->minimumSizeHint().width()); + break; + } + + case PT_TXTMOD_DISSECTOR: + { + editor = new DissectorSyntaxLineEdit(parent); + break; + } + + case PT_TXTMOD_STRING: + // TODO add a live validator? Should SyntaxLineEdit be used? + editor = QStyledItemDelegate::createEditor(parent, option, index); + break; + + case PT_TXTMOD_DISPLAY_FILTER: + editor = new DisplayFilterEdit(parent); + break; + + case PT_TXTMOD_PROTO_FIELD: + editor = new FieldFilterEdit(parent); + break; + + case PT_TXTMOD_HEXBYTES: + { + // Requires input of the form "ab cd ef" (with possibly no or a colon + // separator instead of a single whitespace) for the editor to accept. + QRegularExpression hexbytes_regex("([0-9a-f]{2}[ :]?)*"); + hexbytes_regex.setPatternOptions(QRegularExpression::CaseInsensitiveOption); + // QString types from QStyledItemDelegate are documented to return a + // QLineEdit. Note that Qt returns a subclass from QLineEdit which + // automatically adapts the width to the typed contents. + QLineEdit *le_editor = static_cast<QLineEdit *>( + QStyledItemDelegate::createEditor(parent, option, index)); + le_editor->setValidator(new QRegularExpressionValidator(hexbytes_regex, le_editor)); + editor = le_editor; + break; + } + + case PT_TXTMOD_BOOL: + // model will handle creating checkbox + break; + + case PT_TXTMOD_NONE: + break; + + default: + ws_assert_not_reached(); + break; + } + + if (editor) { + editor->setAutoFillBackground(true); + } + return editor; +} + +void UatDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const +{ + uat_field_t *field = indexToField(index); + + switch (field->mode) { + case PT_TXTMOD_DIRECTORYNAME: + case PT_TXTMOD_FILENAME: + if (index.isValid() && qobject_cast<PathSelectionEdit *>(editor)) + qobject_cast<PathSelectionEdit *>(editor)->setPath(index.model()->data(index, Qt::EditRole).toString()); + break; + case PT_TXTMOD_ENUM: + { + QComboBox *combobox = static_cast<QComboBox *>(editor); + const QString &data = index.model()->data(index, Qt::EditRole).toString(); + combobox->setCurrentText(data); + + break; + } + case PT_TXTMOD_COLOR: + { + if (qobject_cast<QColorDialog *>(editor)) + { + QColor color(index.model()->data(index, Qt::DecorationRole).toString()); + qobject_cast<QColorDialog *>(editor)->setCurrentColor(color); + } + break; + } + + default: + QStyledItemDelegate::setEditorData(editor, index); + } +} + +void UatDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, + const QModelIndex &index) const +{ + uat_field_t *field = indexToField(index); + + switch (field->mode) { + case PT_TXTMOD_DIRECTORYNAME: + case PT_TXTMOD_FILENAME: + if (index.isValid() && qobject_cast<PathSelectionEdit *>(editor)) + const_cast<QAbstractItemModel *>(index.model())->setData(index, qobject_cast<PathSelectionEdit *>(editor)->path(), Qt::EditRole); + break; + case PT_TXTMOD_ENUM: + { + QComboBox *combobox = static_cast<QComboBox *>(editor); + const QString &data = combobox->currentText(); + model->setData(index, data, Qt::EditRole); + break; + } + case PT_TXTMOD_COLOR: + //do nothing, dialog signals will update table + if (qobject_cast<QColorDialog *>(editor)) + { + QColor newColor = qobject_cast<QColorDialog *>(editor)->currentColor(); + const_cast<QAbstractItemModel *>(index.model())->setData(index, newColor.name(), Qt::EditRole); + } + break; + + default: + QStyledItemDelegate::setModelData(editor, model, index); + } +} + +void UatDelegate::updateEditorGeometry(QWidget *editor, + const QStyleOptionViewItem &option, + const QModelIndex &index) const +{ + uat_field_t *field = indexToField(index); + + switch (field->mode) { + case PT_TXTMOD_DIRECTORYNAME: + case PT_TXTMOD_FILENAME: + editor->setGeometry(option.rect); + break; + default: + QStyledItemDelegate::updateEditorGeometry(editor, option, index); + } +} + +void UatDelegate::pathHasChanged(QString) +{ + PathSelectionEdit * editor = qobject_cast<PathSelectionEdit *>(sender()); + if (editor) + emit commitData(editor); +} |