Mercurial > trustbridge

annotate ui/certificateitemdelegate.cpp @ 582:88c9bdc74175 trustbridge-refactor

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New widgets to display certificates in lists.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 27 May 2014 16:16:21 +0200
parents d4bf4ceee99d
children
rev   line source
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Andre Heinecke <aheinecke@intevation.de>
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #include <QtWidgets>
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9
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10 #include "certificate.h"
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11 #include "mainwindow.h"
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12 #include "certificateitemdelegate.h"
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13
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14 void CertificateItemDelegate::paint(QPainter *painter,
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15 const QStyleOptionViewItem &option, const QModelIndex &index) const
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16 {
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17 // Save the current painter.
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18 painter->save();
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19 int status = index.data(StatusRole).toInt();
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20 if (status == 0) {
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21 // This status is not known, so draw the default item.
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22 QStyledItemDelegate::paint(painter, option, index);
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23 painter->restore();
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24 return;
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25 }
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26
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27 if (status == Certificate::InstallNew) {
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28 //Set the icon and use bold and bigger font to highlight this item.
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29 QIcon *icon = new QIcon(":/img/list-add.png");
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30 QFont *font = new QFont();
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31 font->setBold(true);
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32 font->setPointSize(font->pointSize() + 1);
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33 drawItem(painter, option, index, icon, font);
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34 }
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35 else if (status == Certificate::InstallOld) {
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36 // Set the icon and use the default font for this item.
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37 QIcon *icon = new QIcon(":/img/list-add.png");
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38 QFont *font = new QFont();
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39 drawItem(painter, option, index, icon, font);
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40 }
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41 else if (status == Certificate::RemoveNew) {
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42 //Set the icon and use bold and bigger font to highlight this item.
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43 QIcon *icon = new QIcon(":/img/list-remove.png");
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44 QFont *font = new QFont();
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45 font->setBold(true);
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46 font->setPointSize(font->pointSize() + 1);
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47 drawItem(painter, option, index, icon, font);
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48 }
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49 else if (status == Certificate::RemoveOld) {
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50 // Set the icon and use the default font for this item.
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51 QIcon *icon = new QIcon(":/img/list-remove.png");
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52 QFont *font = new QFont();
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53 drawItem(painter, option, index, icon, font);
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54 }
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55 else {
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56 // Draw the default item.
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57 QStyledItemDelegate::paint(painter, option, index);
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58 }
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59 // Restore the painter to have an unmodified painter for the next draw
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60 // action.
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61 painter->restore();
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62 return;
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63 }
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64
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65 void CertificateItemDelegate::drawItem(QPainter *painter,
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66 const QStyleOptionViewItem &option, const QModelIndex &index,
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67 QIcon *icon, QFont *font) const
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68 {
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69 // Get temporary style option to draw a checkbox only.
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70 QStyleOptionViewItem opt = option;
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71 // Initialize the style options with the temporary option object.
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72 initStyleOption(&opt, index);
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73 // Clear all text to draw the checkbox only.
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74 opt.text.clear();
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75
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76 // Draw highlighted background.
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77 if (option.state & QStyle::State_Selected) {
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78 painter->fillRect(option.rect, option.palette.highlight());
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79 }
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80
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81 // Draw the checkbox control with the temporary options.
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82 QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter);
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83
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84 // Draw the icon.
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85 int iconSpace = 25;
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86 if (!icon->isNull()) {
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87 QRect rect = option.rect.adjusted(25, 0, 0, 0);
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88 icon->paint(painter, rect, Qt::AlignVCenter|Qt::AlignLeft);
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89 iconSpace = 50;
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90 }
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91
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92 // Draw the text using the given font.
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93 QString text = index.data().toString();
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94 QRect rect = option.rect.adjusted(iconSpace, 0, 0, 0);
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95 painter->setFont(*font);
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96 painter->drawText(rect.left(), rect.top(), rect.width(), rect.height(),
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97 Qt::AlignVCenter|Qt::AlignLeft, text, &rect);
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98 }
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99
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100 QSize CertificateItemDelegate::sizeHint(const QStyleOptionViewItem &option,
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101 const QModelIndex &index) const
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102 {
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103 int width = QStyledItemDelegate::sizeHint(option, index).width() + 75;
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104 int height = 25;
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105 return QSize(width, height);
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106 }
http://wald.intevation.org/projects/trustbridge/