ui/qt/models/url_link_delegate.cpp

   1 /* url_link_delegate.cpp
   2  * Delegates for displaying links as links, including elide model
   3  *
   4  * Wireshark - Network traffic analyzer
   5  * By Gerald Combs <gerald@wireshark.org>
   6  * Copyright 1998 Gerald Combs
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #include <ui/qt/models/url_link_delegate.h>
  12
  13 #include <QPainter>
  14
  15 #include <ui/qt/utils/color_utils.h>
  16
  17 UrlLinkDelegate::UrlLinkDelegate(QObject *parent)
  18  : QStyledItemDelegate(parent),
  19    re_col_(-1),
  20    url_re_(new QRegularExpression())
  21 {}
  22
  23 UrlLinkDelegate::~UrlLinkDelegate()
  24 {
  25     delete url_re_;
  26 }
  27
  28 void UrlLinkDelegate::setColCheck(int column, QString &pattern)
  29 {
  30     re_col_ = column;
  31     url_re_->setPattern(pattern);
  32 }
  33
  34 void UrlLinkDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const {
  35     if (re_col_ >= 0 && url_re_) {
  36         QModelIndex re_idx = index.model()->index(index.row(), re_col_);
  37         QString col_text = index.model()->data(re_idx).toString();
  38         if (!url_re_->match(col_text).hasMatch()) {
  39             QStyledItemDelegate::paint(painter, option, index);
  40             return;
  41         }
  42     }
  43
  44     QStyleOptionViewItem opt = option;
  45     initStyleOption(&opt, index);
  46
  47     opt.font.setUnderline(true);
  48     opt.palette.setColor(QPalette::Text, ColorUtils::themeLinkBrush().color());
  49
  50     QStyledItemDelegate::paint(painter, opt, index);
  51 }