Marble

MapThemeDownloadDialog.cpp
1// SPDX-License-Identifier: LGPL-2.1-or-later
2//
3// SPDX-FileCopyrightText: 2013 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
4// SPDX-FileCopyrightText: 2013 Dennis Nienhüser <nienhueser@kde.org>
5//
6
7#include "MapThemeDownloadDialog.h"
8#include "ui_MapThemeDownloadDialog.h"
9
10#include "MarbleDirs.h"
11#include "MarbleWidget.h"
12#include "NewstuffModel.h"
13
14#include <QAbstractTextDocumentLayout>
15#include <QPainter>
16#include <QStyledItemDelegate>
17#include <QTextDocument>
18
19namespace Marble
20{
21
22class MapItemDelegate : public QStyledItemDelegate
23{
24 Q_OBJECT
25
26public:
27 MapItemDelegate(QListView *view, NewstuffModel *newstuffModel, MarbleWidget *marbleWidget);
28 void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
29 QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
30
31protected:
32 bool editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) override;
33
34private:
35 enum Element {
36 Icon,
37 Text,
38 InstallButton,
39 UpgradeButton,
40 OpenButton,
41 CancelButton,
42 RemoveButton,
43 ProgressReport
44 };
45
46 int buttonWidth(const QStyleOptionViewItem &option) const;
47 QStyleOptionButton button(Element element, const QStyleOptionViewItem &option) const;
48 QRect position(Element element, const QStyleOptionViewItem &option) const;
49 static QString text(const QModelIndex &index);
50 QListView *m_view;
51 NewstuffModel *m_newstuffModel;
52 mutable int m_buttonWidth;
53 int const m_margin;
54 int const m_iconSize;
55 MarbleWidget *m_marbleWidget;
56};
57
58class Q_DECL_HIDDEN MapThemeDownloadDialog::Private : public Ui::MapThemeDownloadDialog
59{
60public:
61 Private()
62 : m_model()
63 {
64 }
65
66 NewstuffModel m_model;
67};
68
69MapThemeDownloadDialog::MapThemeDownloadDialog(MarbleWidget *marbleWidget)
70 : QDialog(marbleWidget)
71 , d(new Private)
72{
73 d->setupUi(this);
74
75 d->m_model.setTargetDirectory(MarbleDirs::localPath() + QLatin1StringView("/maps"));
76 d->m_model.setProvider("https://marble.kde.org/maps-v3.xml");
77 d->m_model.setRegistryFile(MarbleDirs::localPath() + QLatin1StringView("/newstuff/marble-map-themes.knsregistry"), Marble::NewstuffModel::NameTag);
78
79 d->listView->setIconSize(QSize(130, 130));
80 d->listView->setAlternatingRowColors(true);
81 d->listView->setUniformItemSizes(false);
82 d->listView->setResizeMode(QListView::Adjust);
83 d->listView->setItemDelegate(new MapItemDelegate(d->listView, &d->m_model, marbleWidget));
84 d->listView->setModel(&d->m_model);
85}
86
87MapThemeDownloadDialog::~MapThemeDownloadDialog()
88{
89 delete d;
90}
91
92MapItemDelegate::MapItemDelegate(QListView *view, NewstuffModel *newstuffModel, MarbleWidget *marbleWidget)
93 : m_view(view)
94 , m_newstuffModel(newstuffModel)
95 , m_buttonWidth(0)
96 , m_margin(5)
97 , m_iconSize(16)
98 , m_marbleWidget(marbleWidget)
99{
100 // nothing to do
101}
102
103void MapItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
104{
105 QStyleOptionViewItem styleOption = option;
106 styleOption.text = QString();
107 QApplication::style()->drawControl(QStyle::CE_ItemViewItem, &styleOption, painter);
108
109 QAbstractTextDocumentLayout::PaintContext paintContext;
110 if (styleOption.state & QStyle::State_Selected) {
111 paintContext.palette.setColor(QPalette::Text, styleOption.palette.color(QPalette::Active, QPalette::HighlightedText));
112 }
113
114 // Draw the map preview icon
115 QRect const iconRect = position(Icon, option);
116 auto const icon = index.data(Qt::DecorationRole).value<QIcon>();
117 painter->drawPixmap(iconRect, icon.pixmap(iconRect.size()));
118
119 // Draw summary, author, and similar information
120 QTextDocument document;
121 QRect const textRect = position(Text, option);
122 document.setTextWidth(textRect.width());
123 document.setDefaultFont(option.font);
124 document.setHtml(text(index));
125
126 painter->save();
127 painter->translate(textRect.topLeft());
128 painter->setClipRect(0, 0, textRect.width(), textRect.height());
129 document.documentLayout()->draw(painter, paintContext);
130 painter->restore();
131
132 // Draw buttons and installation progress
133 if (index.data(NewstuffModel::IsTransitioning).toBool()) {
134 qint64 total = qMax(qint64(1), index.data(NewstuffModel::PayloadSize).value<qint64>());
135 auto progress = index.data(NewstuffModel::DownloadedSize).value<qint64>();
136
137 QStyleOptionProgressBar progressBarOption;
138 progressBarOption.rect = position(ProgressReport, option);
139 progressBarOption.minimum = 0;
140 progressBarOption.maximum = 100;
141 progressBarOption.progress = (100.0 * progress / total);
142 progressBarOption.text = QString::number(progressBarOption.progress) + QLatin1Char('%');
143 progressBarOption.textVisible = true;
144 QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption, painter);
145
146 QStyleOptionButton cancelButton = button(CancelButton, option);
147 QRect installRect = position(CancelButton, option);
148 cancelButton.rect = installRect;
149 QApplication::style()->drawControl(QStyle::CE_PushButton, &cancelButton, painter);
150 QRect buttonTextRect(installRect);
151 buttonTextRect.adjust(cancelButton.iconSize.width() + 4, 0, 0, 0);
152 painter->drawText(buttonTextRect, Qt::AlignCenter, cancelButton.text);
153 } else {
154 bool const installed = index.data(NewstuffModel::IsInstalled).toBool();
155 bool const upgradable = index.data(NewstuffModel::IsUpgradable).toBool();
156 Element element = InstallButton;
157 if (installed) {
158 element = upgradable ? UpgradeButton : OpenButton;
159 }
160 QStyleOptionButton actionButton = button(element, option);
161 QRect installRect = position(element, option);
162 actionButton.rect = installRect;
163 QApplication::style()->drawControl(QStyle::CE_PushButton, &actionButton, painter);
164 QRect buttonTextRect(installRect);
165 buttonTextRect.adjust(actionButton.iconSize.width() + 4, 0, 0, 0);
166 painter->drawText(buttonTextRect, Qt::AlignCenter, actionButton.text);
167
168 if (installed) {
169 QStyleOptionButton removeButton = button(RemoveButton, option);
170 QRect removeRect = position(RemoveButton, option);
171 removeButton.rect = removeRect;
172 QApplication::style()->drawControl(QStyle::CE_PushButton, &removeButton, painter);
173 buttonTextRect = removeRect;
174 buttonTextRect.adjust(removeButton.iconSize.width() + 4, 0, 0, 0);
175 painter->drawText(buttonTextRect, Qt::AlignCenter, removeButton.text);
176 }
177 }
178}
179
180QSize MapItemDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
181{
182 if (index.column() == 0) {
183 QSize const iconSize = option.decorationSize;
184 QTextDocument doc;
185 doc.setDefaultFont(option.font);
186 doc.setTextWidth(qMax(200, m_view->contentsRect().width() - iconSize.width() - buttonWidth(option) - 3 * m_margin));
187 doc.setHtml(text(index));
188 return QSize(iconSize.width() + doc.size().width() + buttonWidth(option) + 3 * m_margin, 2 + qMax(iconSize.height(), qRound(doc.size().height())));
189 }
190
191 return {};
192}
193
194bool MapItemDelegate::editorEvent(QEvent *event, QAbstractItemModel *, const QStyleOptionViewItem &option, const QModelIndex &index)
195{
196 if ((event->type() == QEvent::MouseButtonRelease)) {
197 auto mouseEvent = static_cast<QMouseEvent *>(event);
198 if (index.data(NewstuffModel::IsTransitioning).toBool()) {
199 QRect cancelRect = position(CancelButton, option);
200 if (cancelRect.contains(mouseEvent->pos())) {
201 m_newstuffModel->cancel(index.row());
202 return true;
203 }
204 } else {
205 bool const installed = index.data(NewstuffModel::IsInstalled).toBool();
206 bool const upgradable = index.data(NewstuffModel::IsUpgradable).toBool();
207
208 if (!installed || upgradable) {
209 QRect installRect = position(InstallButton, option);
210 if (installRect.contains(mouseEvent->pos())) {
211 m_newstuffModel->install(index.row());
212 return true;
213 }
214 }
215
216 if (installed && !upgradable && m_marbleWidget) {
217 QRect openRect = position(OpenButton, option);
218 if (openRect.contains(mouseEvent->pos())) {
219 QStringList const files = index.data(NewstuffModel::InstalledFiles).toStringList();
220 for (const QString &file : files) {
221 if (file.endsWith(QLatin1StringView(".dgml"))) {
222 QFileInfo dgmlFile(file);
223 QDir baseDir = dgmlFile.dir();
224 baseDir.cdUp();
225 baseDir.cdUp();
226 int const index = baseDir.absolutePath().size();
227 QString const mapTheme = dgmlFile.absoluteFilePath().mid(index + 1);
228 m_marbleWidget->setMapThemeId(mapTheme);
229 return true;
230 }
231 }
232 }
233 }
234
235 if (installed) {
236 QRect removeRect = position(RemoveButton, option);
237 if (removeRect.contains(mouseEvent->pos())) {
238 m_newstuffModel->uninstall(index.row());
239 return true;
240 }
241 }
242 }
243 }
244
245 return false;
246}
247
248int MapItemDelegate::buttonWidth(const QStyleOptionViewItem &option) const
249{
250 if (m_buttonWidth <= 0) {
251 int const installWidth = option.fontMetrics.size(0, tr("Install")).width();
252 int const removeWidth = option.fontMetrics.size(0, tr("Remove")).width();
253 int const cancelWidth = option.fontMetrics.size(0, tr("Cancel")).width();
254 int const upgradeWidth = option.fontMetrics.size(0, tr("Upgrade")).width();
255 m_buttonWidth = 2 * m_iconSize + qMax(qMax(installWidth, removeWidth), qMax(cancelWidth, upgradeWidth));
256 }
257
258 return m_buttonWidth;
259}
260
261QStyleOptionButton MapItemDelegate::button(Element element, const QStyleOptionViewItem &option) const
262{
263 QStyleOptionButton result;
264 result.state = option.state;
265 result.state &= ~QStyle::State_HasFocus;
266
267 result.palette = option.palette;
268 result.features = QStyleOptionButton::None;
269
270 switch (element) {
271 case InstallButton:
272 result.text = tr("Install");
273 result.icon = QIcon(QStringLiteral(":/marble/dialog-ok.png"));
274 result.iconSize = QSize(m_iconSize, m_iconSize);
275 break;
276 case UpgradeButton:
277 result.text = tr("Update");
278 result.icon = QIcon(QStringLiteral(":/marble/system-software-update.png"));
279 result.iconSize = QSize(m_iconSize, m_iconSize);
280 break;
281 case OpenButton:
282 result.text = tr("Open");
283 result.icon = QIcon(QStringLiteral(":/marble/document-open.png"));
284 result.iconSize = QSize(m_iconSize, m_iconSize);
285 break;
286 case CancelButton:
287 result.text = tr("Cancel");
288 break;
289 case RemoveButton:
290 result.text = tr("Remove");
291 result.icon = QIcon(QStringLiteral(":/marble/edit-delete.png"));
292 result.iconSize = QSize(m_iconSize, m_iconSize);
293 break;
294 default:
295 // ignored
296 break;
297 }
298
299 return result;
300}
301
302QRect MapItemDelegate::position(Element element, const QStyleOptionViewItem &option) const
303{
304 int const width = buttonWidth(option);
305 QPoint const topLeftCol1 = option.rect.topLeft() + QPoint(0, 2);
306 QPoint const topLeftCol2 = topLeftCol1 + QPoint(option.decorationSize.width(), 0);
307 QPoint const topLeftCol3 = topLeftCol2 + QPoint(option.rect.width() - 3 * m_margin - width - option.decorationSize.width(), 0);
308 switch (element) {
309 case Icon:
310 return QRect(topLeftCol1, option.decorationSize);
311 case Text:
312 return QRect(topLeftCol2, QSize(topLeftCol3.x() - topLeftCol2.x(), option.rect.height()));
313 case InstallButton:
314 case UpgradeButton:
315 case OpenButton: {
316 QStyleOptionButton optionButton = button(element, option);
317 QSize size = option.fontMetrics.size(0, optionButton.text) + QSize(4, 4);
318 QSize buttonSize = QApplication::style()->sizeFromContents(QStyle::CT_PushButton, &optionButton, size);
319 buttonSize.setWidth(width);
320 return QRect(topLeftCol3, buttonSize);
321 }
322 case RemoveButton:
323 case CancelButton: {
324 QStyleOptionButton optionButton = button(element, option);
325 QSize size = option.fontMetrics.size(0, optionButton.text) + QSize(4, 4);
326 QSize buttonSize = QApplication::style()->sizeFromContents(QStyle::CT_PushButton, &optionButton, size);
327 buttonSize.setWidth(width);
328 return QRect(topLeftCol3 + QPoint(0, option.fontMetrics.height() + 8 + m_margin), buttonSize);
329 }
330 case ProgressReport: {
331 QSize const progressSize = QSize(width, option.fontMetrics.height() + 4);
332 return QRect(topLeftCol3 + QPoint(0, m_margin), progressSize);
333 }
334 }
335
336 Q_ASSERT(false);
337 return {};
338}
339
340QString MapItemDelegate::text(const QModelIndex &index)
341{
342 qreal const size = index.data(NewstuffModel::PayloadSize).toLongLong() / 1024.0 / 1024.0;
343 // Fields are typically not longer than 200 characters. Prevent excessive long text here anyway
344 // due to bug 319542
345 int const maxEntrySize = 4096;
346 return QStringLiteral("<p><b>%1</b><br />%2</p><p>Author: %3<br />License: %4<br />Version %5 (%6) %7</p>")
347 .arg(index.data().toString())
348 .arg(index.data(NewstuffModel::Summary).toString().left(maxEntrySize))
349 .arg(index.data(NewstuffModel::Author).toString().left(maxEntrySize))
350 .arg(index.data(NewstuffModel::License).toString().left(maxEntrySize))
351 .arg(index.data(NewstuffModel::Version).toString().left(maxEntrySize))
352 .arg(index.data(NewstuffModel::ReleaseDate).toString().left(maxEntrySize))
353 .arg(size > 0 ? QStringLiteral("%1 MB").arg(size, 0, 'f', 1) : QString());
354}
355
356}
357
358#include "MapThemeDownloadDialog.moc" // needed for Q_OBJECT here in source
359
360#include "moc_MapThemeDownloadDialog.cpp"
MarbleWidget.h
This file contains the headers for MarbleWidget.
Marble::MarbleWidget
A widget class that displays a view of the earth.
Definition MarbleWidget.h:98
Akonadi::CalendarUtils::event
AKONADI_CALENDAR_EXPORT KCalendarCore::Event::Ptr event(const Akonadi::Item &item)
Marble
Binds a QML item to a specific geodetic location in screen coordinates.
Definition AbstractDataPlugin.cpp:23
QAbstractTextDocumentLayout::draw
virtual void draw(QPainter *painter, const PaintContext &context)=0
QApplication::style
QStyle * style()
QDir::absolutePath
QString absolutePath() const const
QDir::cdUp
bool cdUp()
QEvent::MouseButtonRelease
MouseButtonRelease
QModelIndex::column
int column() const const
QModelIndex::data
QVariant data(int role) const const
QModelIndex::row
int row() const const
QObject::Q_OBJECT
Q_OBJECTQ_OBJECT
QObject::event
virtual bool event(QEvent *e)
QPainter::drawPixmap
void drawPixmap(const QPoint &point, const QPixmap &pixmap)
QPainter::drawText
void drawText(const QPoint &position, const QString &text)
QPainter::restore
void restore()
QPainter::save
void save()
QPainter::setClipRect
void setClipRect(const QRect &rectangle, Qt::ClipOperation operation)
QPainter::translate
void translate(const QPoint &offset)
QPoint::x
int x() const const
QRect::adjust
void adjust(int dx1, int dy1, int dx2, int dy2)
QRect::contains
bool contains(const QPoint &point, bool proper) const const
QRect::height
int height() const const
QRect::size
QSize size() const const
QRect::topLeft
QPoint topLeft() const const
QRect::width
int width() const const
QSize::setWidth
void setWidth(int width)
QString::left
QString left(qsizetype n) const const
QString::mid
QString mid(qsizetype position, qsizetype n) const const
QString::number
QString number(double n, char format, int precision)
QString::size
qsizetype size() const const
QStyle::drawControl
virtual void drawControl(ControlElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget) const const=0
QStyle::sizeFromContents
virtual QSize sizeFromContents(ContentsType type, const QStyleOption *option, const QSize &contentsSize, const QWidget *widget) const const=0
Qt::AlignCenter
AlignCenter
Qt::DecorationRole
DecorationRole
QTextDocument::documentLayout
QAbstractTextDocumentLayout * documentLayout() const const
QTextDocument::setDefaultFont
void setDefaultFont(const QFont &font)
QTextDocument::setHtml
void setHtml(const QString &html)
QTextDocument::setTextWidth
void setTextWidth(qreal width)
QVariant::toBool
bool toBool() const const
QVariant::toLongLong
qlonglong toLongLong(bool *ok) const const
QVariant::toString
QString toString() const const
QVariant::toStringList
QStringList toStringList() const const
QVariant::value
T value() const const
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