mainwindow.cpp

本代码采用嵌入式qt编写

#include "mainwindow.h"

#include <qbuttongroup.h>
#include <qpushbutton.h>
#include <qtable.h>
#include <qlayout.h>
#include <qvariant.h>
#include <qtooltip.h>
#include <qwhatsthis.h>

#include "selectdialog.h"
#include "createdialog.h"
#include "insertdialog.h"
#include "modifydialog.h"

#include <sqlite3.h>

/* 
 *  Constructs a MainWindow which is a child of 'parent', with the 
 *  name 'name' and widget flags set to 'f' 
 */
MainWindow::MainWindow( QWidget* parent,  const char* name, WFlags fl )
    : MainWindowForm( parent, name, fl )
{    
    
    connect( createButton, SIGNAL( clicked()), this, SLOT(createClickedSlot()) );
    connect( insertButton, SIGNAL( clicked()), this, SLOT(insertClickedSlot()) );
    connect( selectButton, SIGNAL(clicked()), this, SLOT(selectClickedSlot()) );
    connect( modifyButton, SIGNAL( clicked()), this, SLOT( modifyClickedSlot()) );
    
}

/*  
 *  Destroys the object and frees any allocated resources
 */
MainWindow::~MainWindow()
{
    // no need to delete child widgets, Qt does it all for us
}

void MainWindow::createClickedSlot()
{
    createDialog = new CreateDialog;
    createDialog -> show();
    createDialog -> raise();
    createDialog -> setActiveWindow();
    
}

void MainWindow::insertClickedSlot()
{
    insertDialog = new InsertDialog;
    insertDialog -> show();
    insertDialog -> raise();
    insertDialog -> setActiveWindow();
    
}


void MainWindow::selectClickedSlot()
{
    selectDialog = new SelectDialog;
    
    selectDialog -> show();
    selectDialog -> raise();
    selectDialog -> setActiveWindow();
    connect( selectDialog, SIGNAL( selectOk( char **,int,int ) ), this, SLOT( showInTable( char **,int, int )) );

}

void MainWindow::modifyClickedSlot()
{
    modifyDialog = new ModifyDialog;
    
    modifyDialog -> show();
    modifyDialog -> raise();
    modifyDialog -> setActiveWindow();
    
}

void MainWindow::showInTable( char **selectResult, int rows, int columns )
{
    table -> setNumRows( rows + 1 );
    table -> setNumCols( columns );   

    for( int i = 0; i < rows+1; i++ )
	for( int j = 0; j < columns; j++ )
	{
	table -> setText( i, j, selectResult[ i * columns + j ] );
    }
    selectDialog -> close();
}