Mailcommon

favoritecollectionwidget.cpp
1/*
2
3 SPDX-FileCopyrightText: 2012-2024 Laurent Montel <montel@kde.org>
4
5 SPDX-License-Identifier: GPL-2.0-or-later
6*/
7
8#include "favoritecollectionwidget.h"
9#include "kernel/mailkernel.h"
10#include "mailcommonsettings_base.h"
11
12#include <MessageCore/MessageCoreSettings>
13
14#include <Akonadi/CollectionStatisticsDelegate>
15#include <KActionCollection>
16#include <KActionMenu>
17#include <KLocalizedString>
18#include <KXMLGUIClient>
19
20#include <QActionGroup>
21#include <QApplication>
22#include <QFontDatabase>
23#include <QMimeData>
24#include <QMouseEvent>
25#include <QPainter>
26
27using namespace MailCommon;
28
29class Q_DECL_HIDDEN FavoriteCollectionWidget::FavoriteCollectionWidgetPrivate
30{
31public:
32 FavoriteCollectionWidgetPrivate() = default;
33
34 QColor textColor;
35 QAction *listMode = nullptr;
36 QAction *iconMode = nullptr;
37 MailCommonSettings *settings = nullptr;
38 Akonadi::CollectionStatisticsDelegate *delegate = nullptr;
39};
40
41FavoriteCollectionWidget::FavoriteCollectionWidget(MailCommon::MailCommonSettings *settings, KXMLGUIClient *xmlGuiClient, QWidget *parent)
42 : Akonadi::EntityListView(xmlGuiClient, parent)
43 , d(new FavoriteCollectionWidgetPrivate)
44{
45 d->settings = settings;
46 setFocusPolicy(Qt::NoFocus);
47
48 d->delegate = new Akonadi::CollectionStatisticsDelegate(this);
49 d->delegate->setProgressAnimationEnabled(true);
50
51 setItemDelegate(d->delegate);
52
53 d->delegate->setUnreadCountShown(true);
54
55 readConfig();
56
57 createMenu(xmlGuiClient->actionCollection());
58}
59
60FavoriteCollectionWidget::~FavoriteCollectionWidget() = default;
61
62void FavoriteCollectionWidget::updatePalette()
63{
64 d->delegate->updatePalette();
65}
66
67void FavoriteCollectionWidget::mousePressEvent(QMouseEvent *e)
68{
69 const bool buttonPressedIsMiddle = (e->button() == Qt::MiddleButton);
70 Q_EMIT newTabRequested(buttonPressedIsMiddle);
72}
73
74void FavoriteCollectionWidget::updateMode()
75{
76 switch (viewMode()) {
77 case ListMode:
78 d->listMode->setChecked(true);
79 d->iconMode->setChecked(false);
80 break;
81 case IconMode:
82 d->listMode->setChecked(false);
83 d->iconMode->setChecked(true);
84 break;
85 }
86}
87
88void FavoriteCollectionWidget::createMenu(KActionCollection *ac)
89{
90 auto iconSizeMenu = new KActionMenu(i18n("Icon size"), this);
91 ac->addAction(QStringLiteral("favorite_icon_size"), iconSizeMenu);
92
93 static const int icon_sizes[] = {16, 22, 32 /*, 48, 64, 128 */};
94
95 auto grp = new QActionGroup(iconSizeMenu);
96 QAction *act = nullptr;
97 for (int i : icon_sizes) {
98 act = new QAction(QStringLiteral("%1x%2").arg(i).arg(i), iconSizeMenu);
99 iconSizeMenu->addAction(act);
100 act->setCheckable(true);
101 grp->addAction(act);
102 if (iconSize().width() == i) {
103 act->setChecked(true);
104 }
105 act->setData(QVariant(i));
106 connect(act, &QAction::triggered, this, &FavoriteCollectionWidget::slotChangeIconSize);
107 }
108
109 auto modeFavoriteMenu = new KActionMenu(i18n("Mode"), this);
110 ac->addAction(QStringLiteral("favorite_mode"), modeFavoriteMenu);
111
112 grp = new QActionGroup(modeFavoriteMenu);
113 d->listMode = new QAction(i18n("List Mode"), modeFavoriteMenu);
114 modeFavoriteMenu->addAction(d->listMode);
115 d->listMode->setCheckable(true);
116 grp->addAction(d->listMode);
117 if (viewMode() == ListMode) {
118 d->listMode->setChecked(true);
119 }
120 d->listMode->setData(QVariant(MailCommon::MailCommonSettings::EnumFavoriteCollectionViewMode::ListMode));
121 connect(d->listMode, &QAction::triggered, this, &FavoriteCollectionWidget::slotChangeMode);
122
123 d->iconMode = new QAction(i18n("Icon Mode"), modeFavoriteMenu);
124 modeFavoriteMenu->addAction(d->iconMode);
125 grp->addAction(d->iconMode);
126 d->iconMode->setCheckable(true);
127 if (viewMode() == IconMode) {
128 d->iconMode->setChecked(true);
129 }
130 d->iconMode->setData(QVariant(MailCommon::MailCommonSettings::EnumFavoriteCollectionViewMode::IconMode));
131 connect(d->iconMode, &QAction::triggered, this, &FavoriteCollectionWidget::slotChangeMode);
132}
133
134void FavoriteCollectionWidget::slotChangeMode(bool)
135{
136 auto act = qobject_cast<QAction *>(sender());
137 if (!act) {
138 return;
139 }
140
141 QVariant data = act->data();
142
143 bool ok;
144 const int mode = data.toInt(&ok);
145 if (!ok) {
146 return;
147 }
148
149 switch (mode) {
150 case MailCommon::MailCommonSettings::EnumFavoriteCollectionViewMode::IconMode:
151 changeViewMode(IconMode);
152 break;
153 case MailCommon::MailCommonSettings::EnumFavoriteCollectionViewMode::ListMode:
154 changeViewMode(ListMode);
155 break;
156 }
157
158 d->settings->setFavoriteCollectionViewMode(mode);
159 d->settings->save();
160}
161
162void FavoriteCollectionWidget::changeViewMode(QListView::ViewMode mode)
163{
164 setViewMode(mode);
165 setDragEnabled(true);
166 setAcceptDrops(true);
167}
168
169void FavoriteCollectionWidget::slotChangeIconSize(bool)
170{
171 auto act = qobject_cast<QAction *>(sender());
172 if (!act) {
173 return;
174 }
175
176 QVariant data = act->data();
177
178 bool ok;
179 const int size = data.toInt(&ok);
180 if (!ok) {
181 return;
182 }
183
184 const QSize newIconSize(QSize(size, size));
185 if (newIconSize == iconSize()) {
186 return;
187 }
188 setIconSize(newIconSize);
189 d->settings->setIconSize(iconSize().width());
190 d->settings->save();
191}
192
193void FavoriteCollectionWidget::slotGeneralPaletteChanged()
194{
195 const QPalette palette = viewport()->palette();
196 QColor color = palette.text().color();
197 color.setAlpha(128);
198 d->textColor = color;
199}
200
201void FavoriteCollectionWidget::slotGeneralFontChanged()
202{
203 // Custom/System font support
204 if (MessageCore::MessageCoreSettings::self()->useDefaultFonts()) {
206 }
207}
208
209void FavoriteCollectionWidget::readConfig()
210{
212
213 int iIconSize = d->settings->iconSize();
214 if (iIconSize < 16 || iIconSize > 32) {
215 iIconSize = 22;
216 }
217 setIconSize(QSize(iIconSize, iIconSize));
218}
219
220void FavoriteCollectionWidget::paintEvent(QPaintEvent *event)
221{
222 if (!model() || model()->rowCount() == 0) {
223 QPainter p(viewport());
224
225 QFont font = p.font();
226 font.setItalic(true);
227 p.setFont(font);
228
229 if (!d->textColor.isValid()) {
230 slotGeneralPaletteChanged();
231 }
232 p.setPen(d->textColor);
233
234 p.drawText(QRect(0, 0, width(), height()), Qt::AlignCenter, i18n("Drop your favorite folders here..."));
235 } else {
237 }
238}
239
240static bool isCollection(const QMimeData *mimeData)
241{
242 const QList<QUrl> urls = mimeData->urls();
243 for (const QUrl &url : urls) {
245 if (collection.isValid()) {
246 return true;
247 }
248 }
249 return false;
250}
251
252bool FavoriteCollectionWidget::acceptEvent(QDropEvent *event) const
253{
254 const bool draggingCollection = isCollection(event->mimeData());
255 const bool droppingOnCollection = dropIndicatorPosition() == QAbstractItemView::OnItem;
256 if (event->source() == this) {
257 if (draggingCollection && !droppingOnCollection) { // Re-ordering favorites
258 return true;
259 }
260 } else {
261 if ((draggingCollection && !droppingOnCollection) // Adding a new favorite collection
262 || (!draggingCollection && droppingOnCollection)) { // Dropping emails onto a favorite collection
263 return true;
264 }
265 }
266 event->ignore();
267 return false;
268}
269
270void FavoriteCollectionWidget::dragEnterEvent(QDragEnterEvent *event)
271{
272 if (event->source() == this) {
273 QListView::dragEnterEvent(event); // Re-ordering favourites
274 } else {
275 Akonadi::EntityListView::dragEnterEvent(event); // Dropping emails onto a favorite collection
276 }
277}
278
279void FavoriteCollectionWidget::dragMoveEvent(QDragMoveEvent *event)
280{
281 // We need to ask QListView to update dropIndicatorPosition() first...
283 if (event->source() == this) {
284 if (acceptEvent(event)) {
285 event->setDropAction(Qt::MoveAction);
286 event->accept(); // Re-ordering favourites
287 }
288 } else {
289 if (acceptEvent(event)) {
290 Akonadi::EntityListView::dragMoveEvent(event); // Dropping emails onto a favorite collection
291 }
292 }
293}
294
295void FavoriteCollectionWidget::dropEvent(QDropEvent *event)
296{
297 if (event->source() == this) {
298 if (acceptEvent(event)) {
299 QListView::dropEvent(event); // Re-ordering favourites
300 }
301 } else {
302 if (acceptEvent(event)) {
304 Akonadi::EntityListView::dropEvent(event); // Dropping emails onto a favorite collection
305 } else {
306 QListView::dropEvent(event); // Add new favorite
307 }
308 }
309 }
310}
311
312void FavoriteCollectionWidget::startDrag(Qt::DropActions supportedActions)
313{
314 // skip EntityListView logic (we want to reorder favorites, not trigger moving/copying of actual folders)
315 QListView::startDrag(supportedActions);
316}
317
318bool FavoriteCollectionWidget::event(QEvent *e)
319{
321 updatePalette();
322 }
324}
325
326#include "moc_favoritecollectionwidget.cpp"
bool isValid() const
static Collection fromUrl(const QUrl &url)
QAction * addAction(const QString &name, const QObject *receiver=nullptr, const char *member=nullptr)
virtual KActionCollection * actionCollection() const
The FavoriteCollectionWidget class.
QString i18n(const char *text, const TYPE &arg...)
AKONADI_CALENDAR_EXPORT KCalendarCore::Event::Ptr event(const Akonadi::Item &item)
KActionMenu * createMenu(KColorSchemeManager *manager, QObject *parent=nullptr)
The filter dialog.
void setDragEnabled(bool enable)
virtual void dragEnterEvent(QDragEnterEvent *event) override
virtual void dragMoveEvent(QDragMoveEvent *event) override
virtual void dropEvent(QDropEvent *event) override
DropIndicatorPosition dropIndicatorPosition() const const
virtual bool event(QEvent *event) override
QAbstractItemModel * model() const const
virtual void mousePressEvent(QMouseEvent *event) override
virtual void paintEvent(QPaintEvent *event) override
QWidget * viewport() const const
void setCheckable(bool)
void setChecked(bool)
QVariant data() const const
void setData(const QVariant &data)
void triggered(bool checked)
void setAlpha(int alpha)
ApplicationPaletteChange
Type type() const const
void setItalic(bool enable)
QFont systemFont(SystemFont type)
virtual void dragMoveEvent(QDragMoveEvent *e) override
virtual void dropEvent(QDropEvent *event) override
virtual void startDrag(Qt::DropActions supportedActions) override
QList< QUrl > urls() const const
Q_EMITQ_EMIT
QMetaObject::Connection connect(const QObject *sender, PointerToMemberFunction signal, Functor functor)
QObject * sender() const const
Qt::MouseButton button() const const
AlignCenter
MoveAction
MiddleButton
int toInt(bool *ok) const const
void setAcceptDrops(bool on)
void setFont(const QFont &)
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