Fixes to ctrl+backspace behavior (#5013)

src/widgets/dialogs/EmotePopup.cpp

@@ -227,6 +227,7 @@ EmotePopup::EmotePopup(QWidget *parent)
     this->search_->setClearButtonEnabled(true);
     this->search_->findChild<QAbstractButton *>()->setIcon(
         QPixmap(":/buttons/clearSearch.png"));
+    this->search_->installEventFilter(this);
     layout2->addWidget(this->search_);
 
     layout->addLayout(layout2);
@@ -448,6 +449,21 @@ void EmotePopup::loadChannel(ChannelPtr channel)
     }
 }
 
+bool EmotePopup::eventFilter(QObject *object, QEvent *event)
+{
+    if (object == this->search_ && event->type() == QEvent::KeyPress)
+    {
+        auto *keyEvent = dynamic_cast<QKeyEvent *>(event);
+        if (keyEvent == QKeySequence::DeleteStartOfWord &&
+            this->search_->selectionLength() > 0)
+        {
+            this->search_->backspace();
+            return true;
+        }
+    }
+    return false;
+}
+
 void EmotePopup::filterTwitchEmotes(std::shared_ptr<Channel> searchChannel,
                                     const QString &searchText)
 {

src/widgets/dialogs/EmotePopup.hpp

@@ -46,6 +46,7 @@ private:
                             const QString &searchText);
     void filterEmotes(const QString &text);
     void addShortcuts() override;
+    bool eventFilter(QObject *object, QEvent *event) override;
 };
 
 }  // namespace chatterino

src/widgets/dialogs/SelectChannelDialog.cpp

@@ -497,6 +497,12 @@ bool SelectChannelDialog::EventFilter::eventFilter(QObject *watched,
             widget->previousInFocusChain()->setFocus();
             return true;
         }
+        else if (event_key == QKeySequence::DeleteStartOfWord &&
+                 this->dialog->ui_.twitch.channelName->selectionLength() > 0)
+        {
+            this->dialog->ui_.twitch.channelName->backspace();
+            return true;
+        }
         else
         {
             return false;

src/widgets/dialogs/SettingsDialog.cpp

@@ -113,6 +113,7 @@ void SettingsDialog::initUi()
     edit->setClearButtonEnabled(true);
     edit->findChild<QAbstractButton *>()->setIcon(
         QPixmap(":/buttons/clearSearch.png"));
+    this->ui_.search->installEventFilter(this);
 
     QObject::connect(edit.getElement(), &QLineEdit::textChanged, this,
                      &SettingsDialog::filterElements);
@@ -206,6 +207,21 @@ void SettingsDialog::setElementFilter(const QString &query)
     this->ui_.search->setText(query);
 }
 
+bool SettingsDialog::eventFilter(QObject *object, QEvent *event)
+{
+    if (object == this->ui_.search && event->type() == QEvent::KeyPress)
+    {
+        auto *keyEvent = dynamic_cast<QKeyEvent *>(event);
+        if (keyEvent == QKeySequence::DeleteStartOfWord &&
+            this->ui_.search->selectionLength() > 0)
+        {
+            this->ui_.search->backspace();
+            return true;
+        }
+    }
+    return false;
+}
+
 void SettingsDialog::addTabs()
 {
     this->ui_.tabContainer->setSpacing(0);

src/widgets/dialogs/SettingsDialog.hpp

@@ -59,6 +59,7 @@ private:
     void selectTab(SettingsTabId id);
     void filterElements(const QString &query);
     void setElementFilter(const QString &query);
+    bool eventFilter(QObject *object, QEvent *event) override;
 
     void onOkClicked();
     void onCancelClicked();