find and replace dialog

mainwindow.h

@@ -8,6 +8,7 @@ class QLabel;
 class SciEdit;
 class TabWidget;
 class DocumentManager;
+class FindReplaceDialog;
 
 class MainWindow : public KXmlGuiWindow
 {
@@ -36,6 +37,10 @@ private:
     void updateWindowTitle();
     void updateStatusBar();
     void updateActions();
+    void showFindReplaceDialog(bool showReplace);
+    bool findNextInCurrentEditor(bool forward, bool showNotFoundMessage);
+    bool replaceOneInCurrentEditor(bool showNotFoundMessage);
+    int replaceAllInCurrentEditor(bool showNotFoundMessage);
 
     DocumentManager *m_documentManager;
     TabWidget *m_tabWidget;
@@ -43,6 +48,10 @@ private:
     QLabel *m_encodingStatusLabel;
     QLabel *m_languageStatusLabel;
     bool m_indentGuidesEnabled = false;
+    FindReplaceDialog *m_findReplaceDialog = nullptr;
+    bool m_findInSelectionEnabled = false;
+    int m_findSelectionStart = 0;
+    int m_findSelectionEnd = 0;
 };
 
 // plainly for KConfigDialog