Mercurial > trustbridge

annotate ui/certificateitemdelegate.cpp @ 372:6cc124e79066

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Add save/load unselected and add role enumerator Explicitly naming the roles avoids confusion and makes the code more readable
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 15 Apr 2014 11:56:29 +0200
parents dd6a09d2699f
children 9e38a4bcd44e
rev   line source
266
dd6a09d2699f Added delegate for certificate list items to render a custom ui.
Raimund Renkert <rrenkert@intevation.de>
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1 #include <QtWidgets>
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2
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3 #include "certificate.h"
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4 #include "mainwindow.h"
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5 #include "certificateitemdelegate.h"
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6
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7 void CertificateItemDelegate::paint(QPainter *painter,
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8 const QStyleOptionViewItem &option, const QModelIndex &index) const
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9 {
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10 // Save the current painter.
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11 painter->save();
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12 int status = index.data(MainWindow::StatusRole).toInt();
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13 if (status == 0) {
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14 // This status is not known, so draw the default item.
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15 QStyledItemDelegate::paint(painter, option, index);
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16 painter->restore();
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17 return;
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18 }
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19
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20 if (status == Certificate::InstallNew) {
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21 //Set the icon and use bold and bigger font to highlight this item.
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22 QIcon *icon = new QIcon(":/img/list-add.png");
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23 QFont *font = new QFont();
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24 font->setBold(true);
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25 font->setPointSize(font->pointSize() + 1);
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26 drawItem(painter, option, index, icon, font);
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27 }
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28 else if (status == Certificate::InstallOld) {
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29 // Set the icon and use the default font for this item.
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30 QIcon *icon = new QIcon(":/img/list-add.png");
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31 QFont *font = new QFont();
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32 drawItem(painter, option, index, icon, font);
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33 }
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34 else if (status == Certificate::RemoveNew) {
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35 //Set the icon and use bold and bigger font to highlight this item.
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36 QIcon *icon = new QIcon(":/img/list-remove.png");
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37 QFont *font = new QFont();
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38 font->setBold(true);
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39 font->setPointSize(font->pointSize() + 1);
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40 drawItem(painter, option, index, icon, font);
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41 }
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42 else if (status == Certificate::RemoveOld) {
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43 // Set the icon and use the default font for this item.
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44 QIcon *icon = new QIcon(":/img/list-remove.png");
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45 QFont *font = new QFont();
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46 drawItem(painter, option, index, icon, font);
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47 }
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48 else {
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49 // Draw the default item.
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50 QStyledItemDelegate::paint(painter, option, index);
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51 }
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52 // Restore the painter to have an unmodified painter for the next draw
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53 // action.
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54 painter->restore();
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55 return;
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56 }
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57
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58 void CertificateItemDelegate::drawItem(QPainter *painter,
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59 const QStyleOptionViewItem &option, const QModelIndex &index,
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60 QIcon *icon, QFont *font) const
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61 {
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62 // Get temporary style option to draw a checkbox only.
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63 QStyleOptionViewItem opt = option;
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64 // Initialize the style options with the temporary option object.
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65 initStyleOption(&opt, index);
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66 // Clear all text to draw the checkbox only.
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67 opt.text.clear();
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68
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69 // Draw highlighted background.
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70 if (option.state & QStyle::State_Selected) {
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71 painter->fillRect(option.rect, option.palette.highlight());
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72 }
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73
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74 // Draw the checkbox control with the temporary options.
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75 QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &opt, painter);
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76
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77 // Draw the icon.
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78 int iconSpace = 25;
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79 if (!icon->isNull()) {
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80 QRect rect = option.rect.adjusted(25, 0, 0, 0);
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81 icon->paint(painter, rect, Qt::AlignVCenter|Qt::AlignLeft);
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82 iconSpace = 50;
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83 }
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84
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85 // Draw the text using the given font.
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86 QString text = index.data().toString();
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87 QRect rect = option.rect.adjusted(iconSpace, 0, 0, 0);
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88 painter->setFont(*font);
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89 painter->drawText(rect.left(), rect.top(), rect.width(), rect.height(),
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90 Qt::AlignVCenter|Qt::AlignLeft, text, &rect);
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91 }
http://wald.intevation.org/projects/trustbridge/