TextEditor: move snippet overlay into own cpp file

Change-Id: I3343d9abf19e4edc7bd88077bf8fe6666a901e1b
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

8 files changed, 176 insertions, 100 deletions

diff --git a/src/plugins/texteditor/CMakeLists.txt b/src/plugins/texteditor/CMakeLists.txt
index 93d773ddb5e..8d5f9236cb4 100644
--- a/src/plugins/texteditor/CMakeLists.txt
+++ b/src/plugins/texteditor/CMakeLists.txt
@@ -81,6 +81,7 @@ add_qtc_plugin(TextEditor
     snippets/snippet.cpp snippets/snippet.h
     snippets/snippetassistcollector.cpp snippets/snippetassistcollector.h
     snippets/snippeteditor.cpp snippets/snippeteditor.h
+    snippets/snippetoverlay.cpp snippets/snippetoverlay.h
     snippets/snippetprovider.cpp snippets/snippetprovider.h
     snippets/snippetscollection.cpp snippets/snippetscollection.h
     snippets/snippetssettings.cpp snippets/snippetssettings.h
diff --git a/src/plugins/texteditor/snippets/snippetoverlay.cpp b/src/plugins/texteditor/snippets/snippetoverlay.cpp
new file mode 100644
index 00000000000..e80cf8cb948
--- /dev/null
+++ b/src/plugins/texteditor/snippets/snippetoverlay.cpp
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include "snippetoverlay.h"
+
+#include "snippet.h"
+
+namespace TextEditor {
+namespace Internal {
+
+
+void SnippetOverlay::clear()
+{
+    TextEditorOverlay::clear();
+    m_equivalentSelections.clear();
+    m_manglers.clear();
+}
+
+void SnippetOverlay::mapEquivalentSelections()
+{
+    m_equivalentSelections.clear();
+    m_equivalentSelections.resize(selections().size());
+
+    QMultiMap<QString, int> all;
+    for (int i = 0; i < selections().size(); ++i)
+        all.insert(selectionText(i).toLower(), i);
+
+    const QList<QString> &uniqueKeys = all.uniqueKeys();
+    foreach (const QString &key, uniqueKeys) {
+        QList<int> indexes;
+        const auto cAll = all;
+        QMultiMap<QString, int>::const_iterator lbit = cAll.lowerBound(key);
+        QMultiMap<QString, int>::const_iterator ubit = cAll.upperBound(key);
+        while (lbit != ubit) {
+            indexes.append(lbit.value());
+            ++lbit;
+        }
+
+        foreach (int index, indexes)
+            m_equivalentSelections[index] = indexes;
+    }
+}
+
+void SnippetOverlay::updateEquivalentSelections(const QTextCursor &cursor)
+{
+    int selectionIndex = selectionIndexForCursor(cursor);
+    if (selectionIndex == -1)
+        return;
+
+    const QString &currentText = selectionText(selectionIndex);
+    const QList<int> &equivalents = m_equivalentSelections.at(selectionIndex);
+    foreach (int i, equivalents) {
+        if (i == selectionIndex)
+            continue;
+        const QString &equivalentText = selectionText(i);
+        if (currentText != equivalentText) {
+            QTextCursor selectionCursor = assembleCursorForSelection(i);
+            selectionCursor.joinPreviousEditBlock();
+            selectionCursor.removeSelectedText();
+            selectionCursor.insertText(currentText);
+            selectionCursor.endEditBlock();
+        }
+    }
+}
+
+void SnippetOverlay::setNameMangler(const QList<NameMangler *> &manglers)
+{
+    m_manglers = manglers;
+}
+
+void SnippetOverlay::mangle()
+{
+    for (int i = 0; i < m_manglers.count(); ++i) {
+        if (!m_manglers.at(i))
+            continue;
+
+        const QString current = selectionText(i);
+        const QString result = m_manglers.at(i)->mangle(current);
+        if (result != current) {
+            QTextCursor selectionCursor = assembleCursorForSelection(i);
+            selectionCursor.joinPreviousEditBlock();
+            selectionCursor.removeSelectedText();
+            selectionCursor.insertText(result);
+            selectionCursor.endEditBlock();
+        }
+    }
+}
+
+} // namespace Internal
+} // namespace TextEditor
diff --git a/src/plugins/texteditor/snippets/snippetoverlay.h b/src/plugins/texteditor/snippets/snippetoverlay.h
new file mode 100644
index 00000000000..0edf0a8e0d9
--- /dev/null
+++ b/src/plugins/texteditor/snippets/snippetoverlay.h
@@ -0,0 +1,54 @@
+/****************************************************************************
+**
+** Copyright (C) 2021 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "texteditor/texteditoroverlay.h"
+
+namespace TextEditor {
+class NameMangler;
+
+namespace Internal {
+
+class SnippetOverlay : public TextEditorOverlay
+{
+public:
+    using TextEditorOverlay::TextEditorOverlay;
+
+    void clear() override;
+
+    void mapEquivalentSelections();
+    void updateEquivalentSelections(const QTextCursor &cursor);
+    void setNameMangler(const QList<NameMangler *> &manglers);
+    void mangle();
+
+private:
+    QVector<QList<int> > m_equivalentSelections;
+    QList<NameMangler *> m_manglers;
+};
+
+} // namespace Internal
+} // namespace TextEditor
+
diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 81459f90cd2..921b3610105 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -42,6 +42,7 @@
 #include "icodestylepreferences.h"
 #include "refactoroverlay.h"
 #include "snippets/snippet.h"
+#include "snippets/snippetoverlay.h"
 #include "storagesettings.h"
 #include "syntaxhighlighter.h"
 #include "tabsettings.h"
diff --git a/src/plugins/texteditor/texteditor.pro b/src/plugins/texteditor/texteditor.pro
index bbf536459ed..6e00135a166 100644
--- a/src/plugins/texteditor/texteditor.pro
+++ b/src/plugins/texteditor/texteditor.pro
@@ -97,7 +97,8 @@ SOURCES += texteditorplugin.cpp \
     commentssettings.cpp \
     marginsettings.cpp \
     formattexteditor.cpp \
-    command.cpp
+    command.cpp \
+    snippets/snippetoverlay.cpp
 
 HEADERS += texteditorplugin.h \
     plaintexteditorfactory.h \
@@ -192,7 +193,8 @@ HEADERS += texteditorplugin.h \
     formattexteditor.h \
     command.h \
     indenter.h \
-    formatter.h
+    formatter.h \
+    snippets/snippetoverlay.h
 
 FORMS += \
     displaysettingspage.ui \
diff --git a/src/plugins/texteditor/texteditor.qbs b/src/plugins/texteditor/texteditor.qbs
index 5b36e0c76c4..a7046a42418 100644
--- a/src/plugins/texteditor/texteditor.qbs
+++ b/src/plugins/texteditor/texteditor.qbs
@@ -205,8 +205,6 @@ Project {
             name: "Snippets"
             prefix: "snippets/"
             files: [
-                "snippetprovider.cpp",
-                "snippetprovider.h",
                 "reuse.h",
                 "snippet.cpp",
                 "snippet.h",
@@ -214,6 +212,10 @@ Project {
                 "snippetassistcollector.h",
                 "snippeteditor.cpp",
                 "snippeteditor.h",
+                "snippetoverlay.cpp",
+                "snippetoverlay.h",
+                "snippetprovider.cpp",
+                "snippetprovider.h",
                 "snippetscollection.cpp",
                 "snippetscollection.h",
                 "snippetssettings.cpp",
diff --git a/src/plugins/texteditor/texteditoroverlay.cpp b/src/plugins/texteditor/texteditoroverlay.cpp
index 5522a7ef333..41107e39d92 100644
--- a/src/plugins/texteditor/texteditoroverlay.cpp
+++ b/src/plugins/texteditor/texteditoroverlay.cpp
@@ -25,7 +25,6 @@
 
 #include "texteditoroverlay.h"
 #include "texteditor.h"
-#include "snippets/snippet.h"
 
 #include <QDebug>
 #include <QMap>
@@ -485,80 +484,3 @@ bool TextEditorOverlay::hasFirstSelectionBeginMoved() const
         return false;
     return m_selections.at(0).m_cursor_begin.position() != m_firstSelectionOriginalBegin;
 }
-
-void SnippetOverlay::clear()
-{
-    TextEditorOverlay::clear();
-    m_equivalentSelections.clear();
-    m_manglers.clear();
-}
-
-void SnippetOverlay::mapEquivalentSelections()
-{
-    m_equivalentSelections.clear();
-    m_equivalentSelections.resize(selections().size());
-
-    QMultiMap<QString, int> all;
-    for (int i = 0; i < selections().size(); ++i)
-        all.insert(selectionText(i).toLower(), i);
-
-    const QList<QString> &uniqueKeys = all.uniqueKeys();
-    foreach (const QString &key, uniqueKeys) {
-        QList<int> indexes;
-        const auto cAll = all;
-        QMultiMap<QString, int>::const_iterator lbit = cAll.lowerBound(key);
-        QMultiMap<QString, int>::const_iterator ubit = cAll.upperBound(key);
-        while (lbit != ubit) {
-            indexes.append(lbit.value());
-            ++lbit;
-        }
-
-        foreach (int index, indexes)
-            m_equivalentSelections[index] = indexes;
-    }
-}
-
-void SnippetOverlay::updateEquivalentSelections(const QTextCursor &cursor)
-{
-    int selectionIndex = selectionIndexForCursor(cursor);
-    if (selectionIndex == -1)
-        return;
-
-    const QString &currentText = selectionText(selectionIndex);
-    const QList<int> &equivalents = m_equivalentSelections.at(selectionIndex);
-    foreach (int i, equivalents) {
-        if (i == selectionIndex)
-            continue;
-        const QString &equivalentText = selectionText(i);
-        if (currentText != equivalentText) {
-            QTextCursor selectionCursor = assembleCursorForSelection(i);
-            selectionCursor.joinPreviousEditBlock();
-            selectionCursor.removeSelectedText();
-            selectionCursor.insertText(currentText);
-            selectionCursor.endEditBlock();
-        }
-    }
-}
-
-void SnippetOverlay::setNameMangler(const QList<NameMangler *> &manglers)
-{
-    m_manglers = manglers;
-}
-
-void SnippetOverlay::mangle()
-{
-    for (int i = 0; i < m_manglers.count(); ++i) {
-        if (!m_manglers.at(i))
-            continue;
-
-        const QString current = selectionText(i);
-        const QString result = m_manglers.at(i)->mangle(current);
-        if (result != current) {
-            QTextCursor selectionCursor = assembleCursorForSelection(i);
-            selectionCursor.joinPreviousEditBlock();
-            selectionCursor.removeSelectedText();
-            selectionCursor.insertText(result);
-            selectionCursor.endEditBlock();
-        }
-    }
-}
diff --git a/src/plugins/texteditor/texteditoroverlay.h b/src/plugins/texteditor/texteditoroverlay.h
index a07252c0b22..e995f007c5d 100644
--- a/src/plugins/texteditor/texteditoroverlay.h
+++ b/src/plugins/texteditor/texteditoroverlay.h
@@ -35,7 +35,6 @@ QT_FORWARD_DECLARE_CLASS(QWidget)
 QT_FORWARD_DECLARE_CLASS(QPainterPath)
 
 namespace TextEditor {
-class NameMangler;
 class TextEditorWidget;
 
 namespace Internal {
@@ -117,22 +116,5 @@ private:
     QList<OverlaySelection> m_selections;
 };
 
-class SnippetOverlay : public TextEditorOverlay
-{
-public:
-    using TextEditorOverlay::TextEditorOverlay;
-
-    void clear() override;
-
-    void mapEquivalentSelections();
-    void updateEquivalentSelections(const QTextCursor &cursor);
-    void setNameMangler(const QList<NameMangler *> &manglers);
-    void mangle();
-
-private:
-    QVector<QList<int> > m_equivalentSelections;
-    QList<NameMangler *> m_manglers;
-};
-
 } // namespace Internal
 } // namespace TextEditor