Qt - QCompleter (auto completions)

dialog.cpp

#include "dialog.h"
#include "ui_dialog.h"

Dialog::Dialog (QWidget *parent):
  QDialog(parent),
  ui(new UI::Dialog)
{
  ui->setupUI(this);
  
  /***Set the autocompletion*****/
  
  //Using a string list
  QStringList CompletionList;                                 //Create a string list
  CompletionList << "Bryan" << "Bart" << "Brad" << "Beth";    //Add members to the string list
  
  StringCompleter = new QCompleter(CompletionList, this);     //Initializing QCompleter with a reference to the CompletionList
  StringCompleter->setCaseSensitivity(Qt::CaseInsensitive);   //Don't care for case sensitivity
  
  ui->lineEdit->setCompleter(StringCompleter);
  
  /*-------------------------------------------------------*/
  
  //Using a Model
  ModelCompleter = new QCompleter(this);
  ModelCompleter->setModel(new QDirModel(ModelCompleter));
  
  ui->lineEdit_2->setCompleter(ModelCompleter);
  
  /***Autocompletion is set******/
}

Dialog::~Dialog()
{
  delete ui;
}

dialog.h

//Dialog based app with Base class QDialog

#include <QDialog>
#include <QCompleter>       //include the header file
#include <QDirModel>        //For directory autocompetions

namespace UI {
class Dialog;
}

class Dialog : public QDialog
{
  Q_OBJECT

  explicit Dialog (QWidget *parent=0);
  ~Dialog();

  private:
    UI::Dialog *ui;

  QCompleter *StringCompleter;        //Our 2 pointers to QCompleter objects
  QCompleter *ModelCompleter;
};