Copilot: add copilot suggestion tooltips

These tooltips allow to switch the currently visible suggestion as well
as applying it using
the mouse.

Change-Id: I30b9a76ae57c66887f4e1b1311e1a7248ed0f194
Reviewed-by: Marcus Tillmanns <[email protected]>

1 files changed, 41 insertions, 0 deletions

diff --git a/src/plugins/copilot/copilotsuggestion.cpp b/src/plugins/copilot/copilotsuggestion.cpp
new file mode 100644
index 00000000000..96ccbbcd18a
--- /dev/null
+++ b/src/plugins/copilot/copilotsuggestion.cpp
@@ -0,0 +1,41 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "copilotsuggestion.h"
+
+namespace Copilot::Internal {
+
+CopilotSuggestion::CopilotSuggestion(const QList<Completion> &completions,
+                                     QTextDocument *origin,
+                                     int currentCompletion)
+    : m_completions(completions)
+    , m_currentCompletion(currentCompletion)
+{
+    const Completion completion = completions.value(currentCompletion);
+    document()->setPlainText(completion.text());
+    m_start = completion.position().toTextCursor(origin);
+    m_start.setKeepPositionOnInsert(true);
+    setCurrentPosition(m_start.position());
+}
+
+bool CopilotSuggestion::apply()
+{
+    reset();
+    const Completion completion = m_completions.value(m_currentCompletion);
+    QTextCursor cursor = completion.range().toSelection(m_start.document());
+    cursor.insertText(completion.text());
+    return true;
+}
+
+void CopilotSuggestion::reset()
+{
+    m_start.removeSelectedText();
+}
+
+int CopilotSuggestion::position()
+{
+    return m_start.position();
+}
+
+} // namespace Copilot::Internal
+