refactor: Restructure project into sources/tests layout and dissolve PluginLLMCore

sources/widgets/CompletionErrorHandler.cpp

@@ -0,0 +1,85 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#include "CompletionErrorHandler.hpp"
+
+#include <texteditor/texteditor.h>
+#include <utils/tooltip/tooltip.h>
+
+#include "ErrorWidget.hpp"
+
+namespace QodeAssist {
+
+void CompletionErrorHandler::showError(
+    TextEditor::TextEditorWidget *widget, 
+    const QString &errorMessage, 
+    int autoHideMs)
+{
+    m_widget = widget;
+    m_errorMessage = errorMessage;
+
+    if (m_widget) {
+        const QRect cursorRect = m_widget->cursorRect(m_widget->textCursor());
+        m_errorPosition = m_widget->viewport()->mapToGlobal(cursorRect.topLeft())
+                          - Utils::ToolTip::offsetFromPosition();
+
+        identifyMatch(m_widget, m_widget->textCursor().position(), [this, autoHideMs](auto priority) {
+            if (priority != Priority_None) {
+                if (m_errorWidget) {
+                    m_errorWidget->deleteLater();
+                }
+
+                m_errorWidget = new ErrorWidget(m_errorMessage, m_widget);
+                
+                const QRect cursorRect = m_widget->cursorRect(m_widget->textCursor());
+                QPoint globalPos = m_widget->viewport()->mapToGlobal(cursorRect.topLeft());
+                QPoint localPos = m_widget->mapFromGlobal(globalPos);
+                localPos.ry() -= m_errorWidget->height() + 5;
+                
+                if (localPos.y() < 0) {
+                    localPos.ry() = cursorRect.bottom() + 5;
+                }
+                
+                m_errorWidget->move(localPos);
+                m_errorWidget->show();
+                m_errorWidget->raise();
+
+                QObject::connect(m_errorWidget, &ErrorWidget::dismissed, m_errorWidget, [this]() {
+                    hideError();
+                });
+            }
+        });
+    }
+}
+
+void CompletionErrorHandler::hideError()
+{
+    if (m_errorWidget) {
+        m_errorWidget->deleteLater();
+        m_errorWidget = nullptr;
+    }
+    Utils::ToolTip::hideImmediately();
+    m_errorMessage.clear();
+}
+
+void CompletionErrorHandler::identifyMatch(
+    TextEditor::TextEditorWidget *editorWidget, int pos, ReportPriority report)
+{
+    if (!editorWidget || m_errorMessage.isEmpty()) {
+        report(Priority_None);
+        return;
+    }
+
+    report(Priority_Tooltip);
+}
+
+void CompletionErrorHandler::operateTooltip(
+    TextEditor::TextEditorWidget *editorWidget, const QPoint &point)
+{
+    Q_UNUSED(editorWidget)
+    Q_UNUSED(point)
+}
+
+} // namespace QodeAssist
+