better article list filtering

src/librssguard/CMakeLists.txt

@@ -131,6 +131,8 @@ set(SOURCES
   gui/reusable/searchtextwidget.h
   gui/reusable/squeezelabel.cpp
   gui/reusable/squeezelabel.h
+  gui/reusable/searchlineedit.cpp
+  gui/reusable/searchlineedit.h
   gui/reusable/styleditemdelegatewithoutfocus.cpp
   gui/reusable/styleditemdelegatewithoutfocus.h
   gui/reusable/timespinbox.cpp

src/librssguard/core/messagesproxymodel.cpp

@@ -21,7 +21,7 @@ MessagesProxyModel::MessagesProxyModel(MessagesModel* source_model, QObject* par
   setSortCaseSensitivity(Qt::CaseSensitivity::CaseInsensitive);
 
   setFilterKeyColumn(-1);
-  setFilterRole(LOWER_TITLE_ROLE);
+  setFilterRole(Qt::ItemDataRole::EditRole);
 
   setDynamicSortFilter(false);
   setSourceModel(m_sourceModel);

src/librssguard/gui/dialogs/formmain.cpp

@@ -16,8 +16,8 @@
 #include "gui/messagebox.h"
 #include "gui/messagepreviewer.h"
 #include "gui/messagesview.h"
-#include "gui/reusable/baselineedit.h"
 #include "gui/reusable/plaintoolbutton.h"
+#include "gui/reusable/searchlineedit.h"
 #include "gui/systemtrayicon.h"
 #include "gui/tabbar.h"
 #include "gui/toolbars/feedstoolbar.h"

src/librssguard/gui/feedmessageviewer.cpp

@@ -230,10 +230,7 @@ void FeedMessageViewer::displayMessage(const Message& message, RootItem* root) {
 
 void FeedMessageViewer::createConnections() {
   // Filtering & searching.
-  connect(m_toolBarMessages,
-          &MessagesToolBar::messageSearchPatternChanged,
-          m_messagesView,
-          &MessagesView::searchMessages);
+  connect(m_toolBarMessages, &MessagesToolBar::searchCriteriaChanged, m_messagesView, &MessagesView::searchMessages);
   connect(m_toolBarFeeds, &FeedsToolBar::feedsFilterPatternChanged, m_feedsView, &FeedsView::filterItems);
   connect(m_toolBarMessages,
           &MessagesToolBar::messageHighlighterChanged,

src/librssguard/gui/messagesview.cpp

@@ -11,6 +11,7 @@
 #include "gui/reusable/labelsmenu.h"
 #include "gui/reusable/styleditemdelegatewithoutfocus.h"
 #include "gui/reusable/treeviewcolumnsmenu.h"
+#include "gui/toolbars/messagestoolbar.h"
 #include "miscellaneous/externaltool.h"
 #include "miscellaneous/feedreader.h"
 #include "miscellaneous/settings.h"
@@ -756,10 +757,33 @@ void MessagesView::selectNextUnreadItem() {
   }
 }
 
-void MessagesView::searchMessages(const QString& pattern) {
-  qDebugNN << LOGSEC_GUI << "Running search of messages with pattern" << QUOTE_W_SPACE_DOT(pattern);
+void MessagesView::searchMessages(SearchLineEdit::SearchMode mode,
+                                  Qt::CaseSensitivity sensitivity,
+                                  int custom_criteria,
+                                  const QString& phrase) {
+  qDebugNN << LOGSEC_GUI << "Running search of messages with pattern" << QUOTE_W_SPACE_DOT(phrase);
 
-  m_proxyModel->setFilterRegularExpression(pattern.toLower());
+  switch (mode) {
+    case SearchLineEdit::SearchMode::Wildcard:
+      m_proxyModel->setFilterWildcard(phrase);
+      break;
+
+    case SearchLineEdit::SearchMode::RegularExpression:
+      m_proxyModel->setFilterRegularExpression(phrase);
+      break;
+
+    case SearchLineEdit::SearchMode::FixedString:
+    default:
+      m_proxyModel->setFilterFixedString(phrase);
+      break;
+  }
+
+  m_proxyModel->setFilterCaseSensitivity(sensitivity);
+
+  MessagesToolBar::SearchFields where_search = MessagesToolBar::SearchFields(custom_criteria);
+
+  m_proxyModel->setFilterKeyColumn(where_search == MessagesToolBar::SearchFields::SearchTitleOnly ? MSG_DB_TITLE_INDEX
+                                                                                                  : -1);
 
   if (selectionModel()->selectedRows().isEmpty()) {
     emit currentMessageRemoved();

src/librssguard/gui/messagesview.h

@@ -7,6 +7,7 @@
 
 #include "core/messagesmodel.h"
 #include "core/messagesproxymodel.h"
+#include "gui/reusable/searchlineedit.h"
 #include "services/abstract/rootitem.h"
 
 #include <QHeaderView>
@@ -61,7 +62,10 @@ class MessagesView : public BaseTreeView {
     void selectNextUnreadItem();
 
     // Searchs the visible message according to given pattern.
-    void searchMessages(const QString& pattern);
+    void searchMessages(SearchLineEdit::SearchMode mode,
+                        Qt::CaseSensitivity sensitivity,
+                        int custom_criteria,
+                        const QString& phrase);
     void highlightMessages(MessagesModel::MessageHighlighter highlighter);
     void changeFilter(MessagesProxyModel::MessageListFilter filter);
 

src/librssguard/gui/reusable/plaintoolbutton.cpp

@@ -3,8 +3,9 @@
 #include "gui/reusable/plaintoolbutton.h"
 
 #include <QAction>
-#include <QPainter>
 #include <QPaintEvent>
+#include <QPainter>
+#include <QPainterPath>
 #include <QStyle>
 #include <QStyleOption>
 #include <QToolButton>
@@ -29,6 +30,22 @@ void PlainToolButton::paintEvent(QPaintEvent* e) {
   }
 
   icon().paint(&p, rect);
+
+  if (menu() != nullptr) {
+    // Draw "dropdown" triangle.
+    QPainterPath path;
+
+    const int triangle_width = int(rect.width() * 0.4);
+    const int triangle_height = int(triangle_width * 0.5);
+    const auto triangle_origin = rect.bottomRight() - QPoint(triangle_width, triangle_height);
+
+    path.moveTo(triangle_origin);
+    path.lineTo(QPoint(rect.right(), triangle_origin.y()));
+    path.lineTo(triangle_origin + QPoint(triangle_width / 2, triangle_height));
+    path.lineTo(triangle_origin);
+
+    p.fillPath(path, QBrush(Qt::GlobalColor::black));
+  }
 }
 
 int PlainToolButton::padding() const {

src/librssguard/gui/reusable/searchlineedit.cpp

@@ -0,0 +1,112 @@
+// For license of this file, see <project-root-folder>/LICENSE.md.
+
+#include "gui/reusable/searchlineedit.h"
+
+#include "3rd-party/boolinq/boolinq.h"
+#include "gui/reusable/plaintoolbutton.h"
+#include "miscellaneous/application.h"
+#include "miscellaneous/iconfactory.h"
+
+#include <QActionGroup>
+#include <QTimer>
+#include <QWidgetAction>
+
+SearchLineEdit::SearchLineEdit(const QList<CustomSearchChoice>& choices, QWidget* parent) : BaseLineEdit(parent) {
+  QWidgetAction* act = new QWidgetAction(this);
+  PlainToolButton* btn = new PlainToolButton(this);
+
+  m_tmrSearchPattern = new QTimer(this);
+  m_tmrSearchPattern->setSingleShot(true);
+  m_tmrSearchPattern->setInterval(300);
+
+  m_menu = new QMenu(btn);
+
+  m_actionGroupChoices = new QActionGroup(this);
+  m_actionGroupChoices->setExclusive(true);
+
+  m_actionGroupModes = new QActionGroup(this);
+  m_actionGroupModes->setExclusive(true);
+
+  m_actCaseSensitivity = m_menu->addAction(tr("Case-sensitive"));
+  m_actCaseSensitivity->setCheckable(true);
+
+  m_menu->addSeparator();
+
+  // Setup tool button.
+  btn->setIcon(qApp->icons()->fromTheme(QSL("system-search")));
+  btn->setPopupMode(QToolButton::ToolButtonPopupMode::InstantPopup);
+  btn->setMenu(m_menu);
+
+  act->setDefaultWidget(btn);
+
+  addAction(act, QLineEdit::ActionPosition::LeadingPosition);
+
+  // Load predefined modes.
+  for (SearchMode mode : {SearchMode::FixedString, SearchMode::Wildcard, SearchMode::RegularExpression}) {
+    QAction* ac = m_actionGroupModes->addAction(m_menu->addAction(titleForMode(mode)));
+
+    ac->setCheckable(true);
+    ac->setData(int(mode));
+  }
+
+  m_actionGroupModes->actions().first()->setChecked(true);
+
+  if (!choices.isEmpty()) {
+    m_menu->addSeparator();
+
+    // Load custom coices.
+    for (const CustomSearchChoice& choice : choices) {
+      QAction* ac = m_actionGroupChoices->addAction(m_menu->addAction(choice.m_title));
+
+      ac->setCheckable(true);
+      ac->setData(choice.m_data);
+    }
+
+    m_actionGroupChoices->actions().first()->setChecked(true);
+  }
+
+  // NOTE: When any change is made, (re)start the timer which fires
+  // the signal with delay to avoid throttling.
+  connect(this, &SearchLineEdit::textChanged, m_tmrSearchPattern, QOverload<>::of(&QTimer::start));
+  connect(m_menu, &QMenu::triggered, m_tmrSearchPattern, QOverload<>::of(&QTimer::start));
+  connect(m_tmrSearchPattern, &QTimer::timeout, this, &SearchLineEdit::startSearch);
+}
+
+void SearchLineEdit::startSearch() {
+  SearchMode mode = SearchMode(boolinq::from(m_actionGroupModes->actions())
+                                 .first([](const QAction* act) {
+                                   return act->isChecked();
+                                 })
+                                 ->data()
+                                 .toInt());
+
+  int custom_criteria = boolinq::from(m_actionGroupChoices->actions())
+                          .first([](const QAction* act) {
+                            return act->isChecked();
+                          })
+                          ->data()
+                          .toInt();
+
+  bool case_sensitive = m_actCaseSensitivity->isChecked();
+
+  emit searchCriteriaChanged(mode,
+                             case_sensitive ? Qt::CaseSensitivity::CaseSensitive : Qt::CaseSensitivity::CaseInsensitive,
+                             custom_criteria,
+                             text());
+}
+
+QString SearchLineEdit::titleForMode(SearchMode mode) {
+  switch (mode) {
+    case SearchLineEdit::SearchMode::FixedString:
+      return tr("Fixed text");
+
+    case SearchLineEdit::SearchMode::Wildcard:
+      return tr("Wildcard");
+
+    case SearchLineEdit::SearchMode::RegularExpression:
+      return tr("Regular expression");
+
+    default:
+      return {};
+  }
+}

src/librssguard/gui/reusable/searchlineedit.h

@@ -0,0 +1,46 @@
+// For license of this file, see <project-root-folder>/LICENSE.md.
+
+#ifndef SEARCHLINEEDIT_H
+#define SEARCHLINEEDIT_H
+
+#include "gui/reusable/baselineedit.h"
+
+class QActionGroup;
+
+class SearchLineEdit : public BaseLineEdit {
+    Q_OBJECT
+
+  public:
+    struct CustomSearchChoice {
+      public:
+        CustomSearchChoice(const QString& title, int data) : m_title(title), m_data(data) {}
+
+        QString m_title;
+        int m_data;
+    };
+
+    enum class SearchMode { FixedString = 1, Wildcard = 2, RegularExpression = 4 };
+
+    explicit SearchLineEdit(const QList<CustomSearchChoice>& choices, QWidget* parent = nullptr);
+
+  private slots:
+    void startSearch();
+
+  signals:
+    void searchCriteriaChanged(SearchMode mode,
+                               Qt::CaseSensitivity sensitivity,
+                               int custom_criteria,
+                               const QString& phrase);
+
+  private:
+    QString titleForMode(SearchMode mode);
+
+  private:
+    QTimer* m_tmrSearchPattern;
+    QMenu* m_menu;
+    QAction* m_actCaseSensitivity;
+    QActionGroup* m_actionGroupModes;
+    QActionGroup* m_actionGroupChoices;
+};
+
+#endif // SEARCHLINEEDIT_H

src/librssguard/gui/toolbars/messagestoolbar.cpp

@@ -4,7 +4,6 @@
 
 #include "3rd-party/boolinq/boolinq.h"
 #include "definitions/definitions.h"
-#include "gui/reusable/baselineedit.h"
 #include "miscellaneous/iconfactory.h"
 #include "miscellaneous/settings.h"
 
@@ -151,10 +150,10 @@ void MessagesToolBar::handleMessageFilterChange(QAction* action) {
 }
 
 void MessagesToolBar::initializeSearchBox() {
-  m_tmrSearchPattern = new QTimer(this);
-  m_tmrSearchPattern->setSingleShot(true);
-
-  m_txtSearchMessages = new BaseLineEdit(this);
+  m_txtSearchMessages =
+    new SearchLineEdit({SearchLineEdit::CustomSearchChoice(tr("Everywhere"), int(SearchFields::SearchAll)),
+                        SearchLineEdit::CustomSearchChoice(tr("Titles only"), int(SearchFields::SearchTitleOnly))},
+                       this);
   m_txtSearchMessages->setSizePolicy(QSizePolicy::Policy::Expanding,
                                      m_txtSearchMessages->sizePolicy().verticalPolicy());
   m_txtSearchMessages->setPlaceholderText(tr("Search articles (regex only)"));
@@ -166,10 +165,7 @@ void MessagesToolBar::initializeSearchBox() {
   m_actionSearchMessages->setProperty("type", SEARCH_BOX_ACTION_NAME);
   m_actionSearchMessages->setProperty("name", tr("Article search box"));
 
-  connect(m_txtSearchMessages, &BaseLineEdit::textChanged, this, &MessagesToolBar::onSearchPatternChanged);
-  connect(m_tmrSearchPattern, &QTimer::timeout, this, [this]() {
-    emit messageSearchPatternChanged(m_searchPattern);
-  });
+  connect(m_txtSearchMessages, &SearchLineEdit::searchCriteriaChanged, this, &MessagesToolBar::searchCriteriaChanged);
 }
 
 void MessagesToolBar::addActionToMenu(QMenu* menu,
@@ -305,7 +301,7 @@ void MessagesToolBar::saveToolButtonSelection(const QString& button_name, const
   qApp->settings()->setValue(GROUP(GUI), GUI::MessagesToolbarDefaultButtons, action_names.join(QSL(",")));
 }
 
-BaseLineEdit* MessagesToolBar::searchBox() const {
+SearchLineEdit* MessagesToolBar::searchBox() const {
   return m_txtSearchMessages;
 }
 
@@ -347,8 +343,3 @@ QStringList MessagesToolBar::savedActions() const {
            QString::SplitBehavior::SkipEmptyParts);
 #endif
 }
-
-void MessagesToolBar::onSearchPatternChanged(const QString& search_pattern) {
-  m_searchPattern = search_pattern;
-  m_tmrSearchPattern->start(search_pattern.isEmpty() ? 0ms : 300ms);
-}

src/librssguard/gui/toolbars/messagestoolbar.h

@@ -7,8 +7,8 @@
 
 #include "core/messagesmodel.h"
 #include "core/messagesproxymodel.h"
+#include "gui/reusable/searchlineedit.h"
 
-class BaseLineEdit;
 class QWidgetAction;
 class QToolButton;
 class QMenu;
@@ -18,6 +18,8 @@ class MessagesToolBar : public BaseToolBar {
     Q_OBJECT
 
   public:
+    enum class SearchFields { SearchTitleOnly = 1, SearchAll = 2 };
+
     explicit MessagesToolBar(const QString& title, QWidget* parent = nullptr);
 
     virtual QList<QAction*> availableActions() const;
@@ -28,24 +30,30 @@ class MessagesToolBar : public BaseToolBar {
     virtual QStringList defaultActions() const;
     virtual QStringList savedActions() const;
 
-    BaseLineEdit *searchBox() const;
+    SearchLineEdit* searchBox() const;
 
   signals:
-    void messageSearchPatternChanged(const QString& pattern);
+    void searchCriteriaChanged(SearchLineEdit::SearchMode mode,
+                               Qt::CaseSensitivity sensitivity,
+                               int custom_criteria,
+                               const QString& phrase);
     void messageHighlighterChanged(MessagesModel::MessageHighlighter highlighter);
     void messageFilterChanged(MessagesProxyModel::MessageListFilter filter);
 
   private slots:
-    void onSearchPatternChanged(const QString& search_pattern);
     void handleMessageHighlighterChange(QAction* action);
     void handleMessageFilterChange(QAction* action);
 
   private:
     void initializeSearchBox();
-    void addActionToMenu(QMenu* menu, const QIcon& icon, const QString& title, const QVariant& value, const QString& name);
+    void addActionToMenu(QMenu* menu,
+                         const QIcon& icon,
+                         const QString& title,
+                         const QVariant& value,
+                         const QString& name);
     void initializeHighlighter();
     void activateAction(const QString& action_name, QWidgetAction* widget_action);
-    void saveToolButtonSelection(const QString& button_name, const QList<QAction *> &actions) const;
+    void saveToolButtonSelection(const QString& button_name, const QList<QAction*>& actions) const;
 
   private:
     QWidgetAction* m_actionMessageHighlighter;
@@ -55,9 +63,7 @@ class MessagesToolBar : public BaseToolBar {
     QMenu* m_menuMessageHighlighter;
     QMenu* m_menuMessageFilter;
     QWidgetAction* m_actionSearchMessages;
-    BaseLineEdit* m_txtSearchMessages;
-    QTimer* m_tmrSearchPattern;
-    QString m_searchPattern;
+    SearchLineEdit* m_txtSearchMessages;
 };
 
 #endif // NEWSTOOLBAR_H