feat: Prepare widget for chat

widgets/EditorChatButtonHandler.cpp

@@ -0,0 +1,89 @@
+/* 
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "EditorChatButtonHandler.hpp"
+#include "EditorChatButton.hpp"
+
+#include <texteditor/texteditor.h>
+#include <utils/tooltip/tooltip.h>
+#include <QPoint>
+
+namespace QodeAssist {
+
+EditorChatButtonHandler::~EditorChatButtonHandler()
+{
+    delete m_chatButton;
+}
+
+void EditorChatButtonHandler::showButton(TextEditor::TextEditorWidget *widget)
+{
+    if (!widget)
+        return;
+
+    m_widget = widget;
+
+    identifyMatch(widget, widget->textCursor().position(), [this](auto priority) {
+        if (priority != Priority_None && m_widget) {
+            const QTextCursor cursor = m_widget->textCursor();
+            const QRect selectionRect = m_widget->cursorRect(cursor);
+            m_cursorPosition = m_widget->viewport()->mapToGlobal(selectionRect.topLeft())
+                               - Utils::ToolTip::offsetFromPosition();
+            operateTooltip(m_widget, m_cursorPosition);
+        }
+    });
+}
+
+void EditorChatButtonHandler::hideButton()
+{
+    Utils::ToolTip::hide();
+}
+
+void EditorChatButtonHandler::identifyMatch(
+    TextEditor::TextEditorWidget *editorWidget, int pos, ReportPriority report)
+{
+    if (!editorWidget) {
+        report(Priority_None);
+        return;
+    }
+
+    report(Priority_Tooltip);
+}
+
+void EditorChatButtonHandler::operateTooltip(
+    TextEditor::TextEditorWidget *editorWidget, const QPoint &point)
+{
+    if (!editorWidget)
+        return;
+
+    if (!Utils::ToolTip::isVisible()) {
+        m_chatButton = new EditorChatButton(editorWidget);
+        m_buttonHeight = m_chatButton->height();
+
+        QPoint showPoint = point;
+        showPoint.ry() -= m_buttonHeight;
+
+        Utils::ToolTip::show(showPoint, m_chatButton, editorWidget);
+    } else {
+        QPoint showPoint = point;
+        showPoint.ry() -= m_buttonHeight;
+        Utils::ToolTip::move(showPoint);
+    }
+}
+
+} // namespace QodeAssist