fix #948, work on label performance

src/librssguard/core/message.cpp

@@ -143,6 +143,14 @@ Message Message::fromSqlRecord(const QSqlRecord& record, bool* result) {
   message.m_accountId = record.value(MSG_DB_ACCOUNT_ID_INDEX).toInt();
   message.m_customId = record.value(MSG_DB_CUSTOM_ID_INDEX).toString();
   message.m_customHash = record.value(MSG_DB_CUSTOM_HASH_INDEX).toString();
+  message.m_assignedLabelsIds = record.value(MSG_DB_LABELS_IDS)
+                                  .toString()
+                                  .split('.',
+#if QT_VERSION >= 0x050F00 // Qt >= 5.15.0
+                                         Qt::SplitBehaviorFlags::SkipEmptyParts);
+#else
+                                         QString::SplitBehavior::SkipEmptyParts);
+#endif
 
   if (result != nullptr) {
     *result = true;

src/librssguard/core/message.h

@@ -92,6 +92,8 @@ class RSSGUARD_DLLSPEC Message {
     QList<Label*> m_assignedLabelsByFilter;
     QList<Label*> m_deassignedLabelsByFilter;
 
+    QStringList m_assignedLabelsIds;
+
     // Is true if "created" date was obtained directly
     // from the feed, otherwise is false
     bool m_createdFromFeed = false;

src/librssguard/core/messagesmodel.cpp

@@ -2,6 +2,7 @@
 
 #include "core/messagesmodel.h"
 
+#include "3rd-party/boolinq/boolinq.h"
 #include "core/messagesmodelcache.h"
 #include "database/databasefactory.h"
 #include "database/databasequeries.h"
@@ -24,24 +25,29 @@
 MessagesModel::MessagesModel(QObject* parent)
   : QSqlQueryModel(parent), m_view(nullptr), m_cache(new MessagesModelCache(this)),
     m_messageHighlighter(MessageHighlighter::NoHighlighting), m_customDateFormat(QString()),
-    m_customTimeFormat(QString()), m_newerArticlesRelativeTime(-1), m_selectedItem(nullptr), m_displayFeedIcons(false),
+    m_customTimeFormat(QString()), m_newerArticlesRelativeTime(-1), m_selectedItem(nullptr),
+    m_unreadIconType(MessageUnreadIcon::Dot),
     m_multilineListItems(qApp->settings()->value(GROUP(Messages), SETTING(Messages::MultilineArticleList)).toBool()) {
+  updateFeedIconsDisplay();
+  updateDateFormat();
+
   setupFonts();
   setupIcons();
   setupHeaderData();
-  updateDateFormat();
-  updateFeedIconsDisplay();
   loadMessages(nullptr);
 }
 
 MessagesModel::~MessagesModel() {
   qDebugNN << LOGSEC_MESSAGEMODEL << "Destroying MessagesModel instance.";
 }
 
+#define RAD_COLOR 0, 180, 0
+
 void MessagesModel::setupIcons() {
   m_favoriteIcon = qApp->icons()->fromTheme(QSL("mail-mark-important"));
   m_readIcon = qApp->icons()->fromTheme(QSL("mail-mark-read"));
-  m_unreadIcon = qApp->icons()->fromTheme(QSL("mail-mark-unread"));
+  m_unreadIcon = m_unreadIconType == MessageUnreadIcon::Dot ? generateUnreadIcon()
+                                                            : qApp->icons()->fromTheme(QSL("mail-mark-unread"));
   m_enclosuresIcon = qApp->icons()->fromTheme(QSL("mail-attachment"));
 
   for (int i = int(MSG_SCORE_MIN); i <= int(MSG_SCORE_MAX); i += 10) {
@@ -82,6 +88,46 @@ QIcon MessagesModel::generateIconForScore(double score) {
   return pix;
 }
 
+QIcon MessagesModel::generateUnreadIcon() {
+  QPointF center(64, 64);
+  qreal radius = 32;
+
+  QRadialGradient grad(center, radius);
+  grad.setColorAt(0.000, QColor(RAD_COLOR, 255));
+  grad.setColorAt(0.8, QColor(RAD_COLOR, 0.8 * 255));
+  grad.setColorAt(1.000, QColor(RAD_COLOR, 0.000));
+
+  QPen pen;
+  pen.setWidth(96);
+  pen.setBrush(grad);
+
+  QPixmap pix(128, 128);
+  pix.fill(Qt::GlobalColor::transparent);
+
+  QPainter painter(&pix);
+  painter.setRenderHint(QPainter::RenderHint::Antialiasing);
+  painter.setPen(pen);
+  painter.drawPoint(center);
+
+  return QIcon(pix);
+}
+
+QString MessagesModel::descriptionOfUnreadIcon(MessageUnreadIcon type) {
+  switch (type) {
+    case MessagesModel::MessageUnreadIcon::Dot:
+      return tr("dot");
+
+    case MessagesModel::MessageUnreadIcon::Envelope:
+      return tr("envelope");
+
+    case MessagesModel::MessageUnreadIcon::FeedIcon:
+      return tr("feed icon");
+
+    default:
+      return QString();
+  }
+}
+
 MessagesView* MessagesModel::view() const {
   return m_view;
 }
@@ -166,7 +212,7 @@ bool MessagesModel::setMessageImportantById(int id, RootItem::Importance importa
       bool set = setData(index(i, MSG_DB_IMPORTANT_INDEX), int(important));
 
       if (set) {
-        emit dataChanged(index(i, 0), index(i, MSG_DB_CUSTOM_HASH_INDEX));
+        emit dataChanged(index(i, 0), index(i, MSG_DB_LABELS_IDS));
       }
 
       return set;
@@ -214,7 +260,8 @@ void MessagesModel::updateDateFormat() {
 }
 
 void MessagesModel::updateFeedIconsDisplay() {
-  m_displayFeedIcons = qApp->settings()->value(GROUP(Messages), SETTING(Messages::DisplayFeedIconsInList)).toBool();
+  m_unreadIconType =
+    MessageUnreadIcon(qApp->settings()->value(GROUP(Messages), SETTING(Messages::UnreadIconType)).toInt());
 }
 
 void MessagesModel::reloadWholeLayout() {
@@ -344,6 +391,9 @@ QVariant MessagesModel::data(const QModelIndex& idx, int role) const {
 
         return contents;
       }
+      else if (index_column == MSG_DB_LABELS_IDS) {
+        return m_cache->containsData(idx.row()) ? m_cache->data(idx) : QSqlQueryModel::data(idx, role);
+      }
       else if (index_column == MSG_DB_AUTHOR_INDEX) {
         const QString author_name = QSqlQueryModel::data(idx, role).toString();
 
@@ -477,11 +527,13 @@ QVariant MessagesModel::data(const QModelIndex& idx, int role) const {
       const int index_column = idx.column();
 
       if (index_column == MSG_DB_READ_INDEX) {
-        if (m_displayFeedIcons && m_selectedItem != nullptr) {
+        if (m_unreadIconType == MessageUnreadIcon::FeedIcon && m_selectedItem != nullptr) {
           QModelIndex idx_feedid = index(idx.row(), MSG_DB_FEED_CUSTOM_ID_INDEX);
           QVariant dta =
             m_cache->containsData(idx_feedid.row()) ? m_cache->data(idx_feedid) : QSqlQueryModel::data(idx_feedid);
           QString feed_custom_id = dta.toString();
+
+          // TODO: Very slow and repeats itself.
           auto acc = m_selectedItem->getParentServiceRoot()->feedIconForMessage(feed_custom_id);
 
           if (acc.isNull()) {
@@ -496,7 +548,12 @@ QVariant MessagesModel::data(const QModelIndex& idx, int role) const {
           QVariant dta =
             m_cache->containsData(idx_read.row()) ? m_cache->data(idx_read) : QSqlQueryModel::data(idx_read);
 
-          return dta.toInt() == 1 ? m_readIcon : m_unreadIcon;
+          if (m_unreadIconType == MessageUnreadIcon::Dot) {
+            return dta.toInt() == 1 ? QVariant() : m_unreadIcon;
+          }
+          else {
+            return dta.toInt() == 1 ? m_readIcon : m_unreadIcon;
+          }
         }
       }
       else if (index_column == MSG_DB_IMPORTANT_INDEX) {
@@ -529,7 +586,7 @@ QVariant MessagesModel::data(const QModelIndex& idx, int role) const {
 }
 
 bool MessagesModel::setMessageRead(int row_index, RootItem::ReadStatus read) {
-  if (data(row_index, MSG_DB_READ_INDEX, Qt::EditRole).toInt() == int(read)) {
+  if (data(row_index, MSG_DB_READ_INDEX, Qt::ItemDataRole::EditRole).toInt() == int(read)) {
     // Read status is the same is the one currently set.
     // In that case, no extra work is needed.
     return true;
@@ -565,13 +622,32 @@ bool MessagesModel::setMessageRead(int row_index, RootItem::ReadStatus read) {
 
 bool MessagesModel::setMessageReadById(int id, RootItem::ReadStatus read) {
   for (int i = 0; i < rowCount(); i++) {
-    int found_id = data(i, MSG_DB_ID_INDEX, Qt::EditRole).toInt();
+    int found_id = data(i, MSG_DB_ID_INDEX, Qt::ItemDataRole::EditRole).toInt();
 
     if (found_id == id) {
       bool set = setData(index(i, MSG_DB_READ_INDEX), int(read));
 
       if (set) {
-        emit dataChanged(index(i, 0), index(i, MSG_DB_CUSTOM_HASH_INDEX));
+        emit dataChanged(index(i, 0), index(i, MSG_DB_LABELS_IDS));
+      }
+
+      return set;
+    }
+  }
+
+  return false;
+}
+
+bool MessagesModel::setMessageLabelsById(int id, const QStringList& label_ids) {
+  for (int i = 0; i < rowCount(); i++) {
+    int found_id = data(i, MSG_DB_ID_INDEX, Qt::ItemDataRole::EditRole).toInt();
+
+    if (found_id == id) {
+      QString enc_ids = label_ids.isEmpty() ? QSL(".") : QSL(".") + label_ids.join('.') + QSL(".");
+      bool set = setData(index(i, MSG_DB_LABELS_IDS), enc_ids);
+
+      if (set) {
+        emit dataChanged(index(i, 0), index(i, MSG_DB_LABELS_IDS));
       }
 
       return set;

src/librssguard/core/messagesmodel.h

@@ -24,6 +24,10 @@ class MessagesModel : public QSqlQueryModel, public MessagesModelSqlLayer {
     // for messages.
     enum class MessageHighlighter { NoHighlighting = 100, HighlightUnread = 101, HighlightImportant = 102 };
 
+    enum class MessageUnreadIcon { Dot = 1, Envelope = 2, FeedIcon = 3 };
+
+    Q_ENUM(MessageUnreadIcon)
+
     // Constructors and destructors.
     explicit MessagesModel(QObject* parent = nullptr);
     virtual ~MessagesModel();
@@ -74,13 +78,16 @@ class MessagesModel : public QSqlQueryModel, public MessagesModelSqlLayer {
     void setView(MessagesView* new_view);
 
     static QIcon generateIconForScore(double score);
+    static QIcon generateUnreadIcon();
+    static QString descriptionOfUnreadIcon(MessagesModel::MessageUnreadIcon type);
 
   public slots:
 
     // NOTE: These methods DO NOT actually change data in the DB, just in the model.
     // These are particularly used by msg browser.
     bool setMessageImportantById(int id, RootItem::Importance important);
     bool setMessageReadById(int id, RootItem::ReadStatus read);
+    bool setMessageLabelsById(int id, const QStringList& label_ids);
 
   private:
     void setupHeaderData();
@@ -105,10 +112,11 @@ class MessagesModel : public QSqlQueryModel, public MessagesModelSqlLayer {
     QIcon m_unreadIcon;
     QIcon m_enclosuresIcon;
     QList<QIcon> m_scoreIcons;
-    bool m_displayFeedIcons;
+    MessageUnreadIcon m_unreadIconType;
     bool m_multilineListItems;
 };
 
 Q_DECLARE_METATYPE(MessagesModel::MessageHighlighter)
+Q_DECLARE_METATYPE(MessagesModel::MessageUnreadIcon)
 
 #endif // MESSAGESMODEL_H

src/librssguard/gui/feedmessageviewer.cpp

@@ -261,6 +261,10 @@ void FeedMessageViewer::createConnections() {
           &MessagePreviewer::markMessageImportant,
           m_messagesView->sourceModel(),
           &MessagesModel::setMessageImportantById);
+  connect(m_messagesBrowser,
+          &MessagePreviewer::setMessageLabelIds,
+          m_messagesView->sourceModel(),
+          &MessagesModel::setMessageLabelsById);
 
   connect(m_messagesView, &MessagesView::currentMessageRemoved, this, &FeedMessageViewer::onMessageRemoved);
   connect(m_messagesView, &MessagesView::currentMessageChanged, this, &FeedMessageViewer::displayMessage);

src/librssguard/gui/messagepreviewer.cpp

@@ -191,10 +191,14 @@ void MessagePreviewer::switchLabel(bool assign) {
 
   if (assign) {
     lbl->assignToMessage(m_message);
+    m_message.m_assignedLabelsIds.append(lbl->customId());
   }
   else {
     lbl->deassignFromMessage(m_message);
+    m_message.m_assignedLabelsIds.removeOne(lbl->customId());
   }
+
+  emit setMessageLabelIds(m_message.m_id, m_message.m_assignedLabelsIds);
 }
 
 void MessagePreviewer::markMessageAsRead() {
@@ -276,39 +280,22 @@ void MessagePreviewer::updateLabels(bool only_clear) {
 
   if (m_root.data() != nullptr && !m_root.data()->getParentServiceRoot()->labelsNode()->labels().isEmpty()) {
     m_separator = m_toolBar->addSeparator();
-    QSqlDatabase database = qApp->database()->driver()->connection(metaObject()->className());
     auto lbls = m_root.data()->getParentServiceRoot()->labelsNode()->labels();
 
     for (auto* label : lbls) {
-      /*
-      LabelButton* btn_label = new LabelButton(this);
-
-      btn_label->setLabel(label);
-      btn_label->setCheckable(true);
-      btn_label->setIcon(Label::generateIcon(label->color()));
-      btn_label->setAutoRaise(false);
-      btn_label->setText();
-      btn_label->setToolButtonStyle(Qt::ToolButtonStyle(qApp->settings()
-                                                          ->value(GROUP(GUI), SETTING(GUI::ToolbarStyle))
-                                                          .toInt()));
-      btn_label->setToolTip(label->title());
-      btn_label->setChecked();
-      */
-
       LabelToolbarAction* act_label = new LabelToolbarAction(this);
 
       act_label->setIcon(Label::generateIcon(label->color()));
       act_label->setText(QSL(" ") + label->title());
       act_label->setCheckable(true);
-      act_label->setChecked(DatabaseQueries::isLabelAssignedToMessage(database, label, m_message));
+      act_label->setChecked(m_message.m_assignedLabelsIds.contains(label->customId()));
       act_label->setToolTip(label->title());
       act_label->setLabel(label);
 
       m_toolBar->addAction(act_label);
+      m_btnLabels.append(act_label);
 
       connect(act_label, &QAction::toggled, this, &MessagePreviewer::switchLabel);
-
-      m_btnLabels.append(act_label);
     }
   }
 }

src/librssguard/gui/messagepreviewer.h

@@ -61,6 +61,7 @@ class MessagePreviewer : public QWidget {
   signals:
     void markMessageRead(int id, RootItem::ReadStatus read);
     void markMessageImportant(int id, RootItem::Importance important);
+    void setMessageLabelIds(int id, const QStringList& ids);
 
   private:
     void createConnections();

src/librssguard/gui/settings/settingsfeedsmessages.cpp

@@ -14,6 +14,7 @@
 
 #include <QFontDialog>
 #include <QLocale>
+#include <QMetaEnum>
 #include <QStringList>
 
 SettingsFeedsMessages::SettingsFeedsMessages(Settings* settings, QWidget* parent)
@@ -65,7 +66,9 @@ SettingsFeedsMessages::SettingsFeedsMessages(Settings* settings, QWidget* parent
   connect(m_ui->m_cbHideCountsIfNoUnread, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
   connect(m_ui->m_checkAutoUpdate, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
   connect(m_ui->m_checkAutoUpdateOnlyUnfocused, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
-  connect(m_ui->m_checkDisplayFeedIcons, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
+  connect(m_ui->m_cmbUnreadIconType, &QComboBox::currentIndexChanged, this, &SettingsFeedsMessages::dirtifySettings);
+  connect(m_ui->m_cmbUnreadIconType, &QComboBox::currentIndexChanged, this, &SettingsFeedsMessages::requireRestart);
+
   connect(m_ui->m_checkKeppMessagesInTheMiddle, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
   connect(m_ui->m_cbArticleViewerAlwaysVisible, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
   connect(m_ui->m_checkMessagesDateTimeFormat, &QCheckBox::toggled, this, &SettingsFeedsMessages::dirtifySettings);
@@ -181,6 +184,14 @@ SettingsFeedsMessages::SettingsFeedsMessages(Settings* settings, QWidget* parent
   }
 
   m_ui->m_spinRelativeArticleTime->setValue(-1);
+
+  QMetaEnum enumer = QMetaEnum::fromType<MessagesModel::MessageUnreadIcon>();
+
+  for (int i = 0; i < enumer.keyCount(); i++) {
+    auto en = MessagesModel::MessageUnreadIcon(enumer.value(i));
+
+    m_ui->m_cmbUnreadIconType->addItem(MessagesModel::descriptionOfUnreadIcon(en), int(en));
+  }
 }
 
 SettingsFeedsMessages::~SettingsFeedsMessages() {
@@ -227,8 +238,9 @@ void SettingsFeedsMessages::loadSettings() {
     ->setChecked(settings()->value(GROUP(Feeds), SETTING(Feeds::OnlyBasicShortcutsInLists)).toBool());
   m_ui->m_cbHideCountsIfNoUnread
     ->setChecked(settings()->value(GROUP(Feeds), SETTING(Feeds::HideCountsIfNoUnread)).toBool());
-  m_ui->m_checkDisplayFeedIcons
-    ->setChecked(settings()->value(GROUP(Messages), SETTING(Messages::DisplayFeedIconsInList)).toBool());
+  m_ui->m_cmbUnreadIconType
+    ->setCurrentIndex(m_ui->m_cmbUnreadIconType
+                        ->findData(settings()->value(GROUP(Messages), SETTING(Messages::UnreadIconType)).toInt()));
   m_ui->m_checkBringToForegroundAfterMsgOpened
     ->setChecked(settings()
                    ->value(GROUP(Messages), SETTING(Messages::BringAppToFrontAfterMessageOpenedExternally))
@@ -316,7 +328,7 @@ void SettingsFeedsMessages::saveSettings() {
   settings()->setValue(GROUP(Feeds), Feeds::OnlyBasicShortcutsInLists, m_ui->m_cbListsRestrictedShortcuts->isChecked());
 
   settings()->setValue(GROUP(Feeds), Feeds::HideCountsIfNoUnread, m_ui->m_cbHideCountsIfNoUnread->isChecked());
-  settings()->setValue(GROUP(Messages), Messages::DisplayFeedIconsInList, m_ui->m_checkDisplayFeedIcons->isChecked());
+  settings()->setValue(GROUP(Messages), Messages::UnreadIconType, m_ui->m_cmbUnreadIconType->currentData().toInt());
   settings()->setValue(GROUP(Messages),
                        Messages::BringAppToFrontAfterMessageOpenedExternally,
                        m_ui->m_checkBringToForegroundAfterMsgOpened->isChecked());
@@ -368,7 +380,6 @@ void SettingsFeedsMessages::saveSettings() {
   qApp->feedReader()->feedsModel()->reloadWholeLayout();
 
   qApp->feedReader()->messagesModel()->updateDateFormat();
-  qApp->feedReader()->messagesModel()->updateFeedIconsDisplay();
   qApp->feedReader()->messagesModel()->reloadWholeLayout();
 
   onEndSaveSettings();