[Move refactor] Reparent orphan classes (#6236)

* Move orphaned classes to their correct parent folders.

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/utility/custom_line_edit.cpp

@@ -0,0 +1,87 @@
+#include "custom_line_edit.h"
+
+#include <QKeyEvent>
+#include <QLineEdit>
+#include <QObject>
+#include <QTreeView>
+#include <QWidget>
+#include <libcockatrice/settings/cache_settings.h>
+#include <libcockatrice/settings/shortcuts_settings.h>
+
+LineEditUnfocusable::LineEditUnfocusable(QWidget *parent) : QLineEdit(parent)
+{
+    installEventFilter(this);
+}
+
+LineEditUnfocusable::LineEditUnfocusable(const QString &contents, QWidget *parent) : QLineEdit(contents, parent)
+{
+    installEventFilter(this);
+}
+
+bool LineEditUnfocusable::isUnfocusShortcut(QKeyEvent *event)
+{
+    QString modifier;
+    QString keyNoMod;
+
+    if (event->modifiers() & Qt::ShiftModifier)
+        modifier += "Shift+";
+    if (event->modifiers() & Qt::ControlModifier)
+        modifier += "Ctrl+";
+    if (event->modifiers() & Qt::AltModifier)
+        modifier += "Alt+";
+    if (event->modifiers() & Qt::MetaModifier)
+        modifier += "Meta+";
+
+    keyNoMod = QKeySequence(event->key()).toString();
+
+    QKeySequence key(modifier + keyNoMod);
+    QList<QKeySequence> unfocusShortcut = SettingsCache::instance().shortcuts().getShortcut("Player/unfocusTextBox");
+
+    for (const auto &unfocusKey : unfocusShortcut) {
+        if (key.matches(unfocusKey) == QKeySequence::ExactMatch)
+            return true;
+    }
+    return false;
+}
+
+void LineEditUnfocusable::keyPressEvent(QKeyEvent *event)
+{
+    if (isUnfocusShortcut(event)) {
+        clearFocus();
+
+        return;
+    }
+
+    QLineEdit::keyPressEvent(event);
+}
+
+bool LineEditUnfocusable::eventFilter(QObject *watched, QEvent *event)
+{
+    if (event->type() == QEvent::ShortcutOverride) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+
+        if (isUnfocusShortcut(keyEvent)) {
+            event->accept();
+
+            return true;
+        }
+    }
+
+    return QLineEdit::eventFilter(watched, event);
+}
+
+void SearchLineEdit::keyPressEvent(QKeyEvent *event)
+{
+    // List of key events that must be handled by the card list instead of the search box
+    static const QVector<Qt::Key> forwardToTreeView = {Qt::Key_Up, Qt::Key_Down, Qt::Key_PageDown, Qt::Key_PageUp};
+    // forward only if the search text is empty
+    static const QVector<Qt::Key> forwardWhenEmpty = {Qt::Key_Home, Qt::Key_End};
+    Qt::Key key = static_cast<Qt::Key>(event->key());
+    if (treeView) {
+        if (forwardToTreeView.contains(key))
+            QCoreApplication::sendEvent(treeView, event);
+        if (text().isEmpty() && forwardWhenEmpty.contains(key))
+            QCoreApplication::sendEvent(treeView, event);
+    }
+    LineEditUnfocusable::keyPressEvent(event);
+}