Add a "current file" find filter.

Which nicely adds the occurrances to the search output window for
navigation.

src/plugins/texteditor/basefilefind.cpp

@@ -83,7 +83,8 @@ void BaseFileFind::findAll(const QString &txt, QTextDocument::FindFlags findFlag
 {
     m_isSearching = true;
     emit changed();
-    updateComboEntries(m_filterCombo, false);
+    if (m_filterCombo)
+        updateComboEntries(m_filterCombo, false);
     m_watcher.setFuture(QFuture<FileSearchResult>());
     m_resultWindow->clearContents();
     m_resultWindow->popup(true);
@@ -194,7 +195,8 @@ void BaseFileFind::readCommonSettings(QSettings *settings, const QString &defaul
     if (m_filterSetting.isEmpty())
         m_filterSetting = filters.first();
     m_filterStrings.setStringList(filters);
-    syncComboWithSettings(m_filterCombo, m_filterSetting);
+    if (m_filterCombo)
+        syncComboWithSettings(m_filterCombo, m_filterSetting);
 }
 
 void BaseFileFind::syncComboWithSettings(QComboBox *combo, const QString &setting)

src/plugins/texteditor/findincurrentfile.cpp

@@ -0,0 +1,110 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+**************************************************************************/
+
+#include "findincurrentfile.h"
+
+#include <coreplugin/icore.h>
+#include <coreplugin/editormanager/editormanager.h>
+
+#include <QtDebug>
+#include <QtCore/QDirIterator>
+#include <QtGui/QPushButton>
+#include <QtGui/QFileDialog>
+#include <QtGui/QVBoxLayout>
+
+using namespace Find;
+using namespace TextEditor::Internal;
+
+FindInCurrentFile::FindInCurrentFile(SearchResultWindow *resultWindow)
+  : BaseFileFind(resultWindow),
+    m_configWidget(0)
+{
+}
+
+QString FindInCurrentFile::id() const
+{
+    return "Current File";
+}
+
+QString FindInCurrentFile::name() const
+{
+    return tr("Current File");
+}
+
+QKeySequence FindInCurrentFile::defaultShortcut() const
+{
+    return QKeySequence();
+}
+
+QStringList FindInCurrentFile::files()
+{
+    QStringList fileList;
+    if (Core::IEditor *editor = Core::ICore::instance()->editorManager()->currentEditor()) {
+        if (editor->file() && !editor->file()->fileName().isEmpty())
+            fileList << editor->file()->fileName();
+    }
+    return fileList;
+}
+
+bool FindInCurrentFile::isEnabled() const
+{
+    Core::IEditor *editor = Core::ICore::instance()->editorManager()->currentEditor();
+    return editor && editor->file() && !editor->file()->fileName().isEmpty();
+}
+
+QWidget *FindInCurrentFile::createConfigWidget()
+{
+    if (!m_configWidget) {
+        m_configWidget = new QWidget;
+        QGridLayout * const gridLayout = new QGridLayout(m_configWidget);
+        gridLayout->setMargin(0);
+        m_configWidget->setLayout(gridLayout);
+        gridLayout->addWidget(createRegExpWidget(), 0, 1, 1, 2);
+        // just for the layout HACK
+        QLabel * const filePatternLabel = new QLabel;
+        filePatternLabel->setMinimumWidth(80);
+        filePatternLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
+        gridLayout->addWidget(filePatternLabel, 0, 0);
+    }
+    return m_configWidget;
+}
+
+void FindInCurrentFile::writeSettings(QSettings *settings)
+{
+    settings->beginGroup("FindInCurrentFile");
+    writeCommonSettings(settings);
+    settings->endGroup();
+}
+
+void FindInCurrentFile::readSettings(QSettings *settings)
+{
+    settings->beginGroup("FindInCurrentFile");
+    readCommonSettings(settings, "*.cpp,*.h");
+    settings->endGroup();
+}

src/plugins/texteditor/findincurrentfile.h

@@ -0,0 +1,72 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+**************************************************************************/
+
+#ifndef FINDINCURRENTFILE_H
+#define FINDINCURRENTFILE_H
+
+#include "basefilefind.h"
+
+#include <find/ifindfilter.h>
+#include <find/searchresultwindow.h>
+
+#include <QtCore/QPointer>
+#include <QtGui/QLabel>
+#include <QtGui/QComboBox>
+#include <QtGui/QStringListModel>
+
+
+namespace TextEditor {
+namespace Internal {
+
+class FindInCurrentFile : public BaseFileFind
+{
+    Q_OBJECT
+
+public:
+    explicit FindInCurrentFile(Find::SearchResultWindow *resultWindow);
+
+    QString id() const;
+    QString name() const;
+    QKeySequence defaultShortcut() const;
+    bool isEnabled() const;
+    QWidget *createConfigWidget();
+    void writeSettings(QSettings *settings);
+    void readSettings(QSettings *settings);
+
+protected:
+    QStringList files();
+
+private:
+    QPointer<QWidget> m_configWidget;
+};
+
+} // namespace Internal
+} // namespace TextEditor
+
+#endif // FINDINCURRENTFILE_H

src/plugins/texteditor/texteditor.pro

@@ -25,7 +25,8 @@ SOURCES += texteditorplugin.cpp \
     findinfiles.cpp \
     basefilefind.cpp \
     texteditorsettings.cpp \
-    codecselector.cpp
+    codecselector.cpp \
+    findincurrentfile.cpp
 HEADERS += texteditorplugin.h \
     textfilewizard.h \
     plaintexteditor.h \
@@ -54,10 +55,10 @@ HEADERS += texteditorplugin.h \
     findinfiles.h \
     basefilefind.h \
     texteditorsettings.h \
-    codecselector.h
+    codecselector.h \
+    findincurrentfile.h
 FORMS += behaviorsettingspage.ui \
     displaysettingspage.ui \
     fontsettingspage.ui
 RESOURCES += texteditor.qrc
-
 OTHER_FILES += TextEditor.pluginspec

src/plugins/texteditor/texteditorplugin.cpp

@@ -30,6 +30,7 @@
 #include "texteditorplugin.h"
 
 #include "findinfiles.h"
+#include "findincurrentfile.h"
 #include "fontsettings.h"
 #include "linenumberfilter.h"
 #include "texteditorconstants.h"
@@ -147,7 +148,8 @@ void TextEditorPlugin::extensionsInitialized()
 
     addAutoReleasedObject(new FindInFiles(
         ExtensionSystem::PluginManager::instance()->getObject<Find::SearchResultWindow>()));
-
+    addAutoReleasedObject(new FindInCurrentFile(
+        ExtensionSystem::PluginManager::instance()->getObject<Find::SearchResultWindow>()));
 }
 
 void TextEditorPlugin::initializeEditor(PlainTextEditor *editor)