www.pudn.com > qt_mysql.zip > MyFindDlg.cpp

// MyFindDlg.cpp: implementation of the MyFindDlg class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "MyFindDlg.h" 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
MyFindDlg::MyFindDlg(QWidget * parent, const char * name) 
{ 
	setCaption("Find"); 
	setMaximumSize( 400, 130 ); 
	setFont(QFont("Arial",10)); 
	QLabel* fw=new QLabel("Find What",this); 
	m_fwedit=new QLineEdit(this); 
	 
	QPushButton* fbut=new QPushButton("Find First",this); 
	QPushButton* fnbut=new QPushButton("Find Next",this); 
	m_cancelbut=new QPushButton("Cancel",this); 
	m_chkcase=new QCheckBox("Case Sensitive",this); 
 
	fw->setGeometry(20,25,120,20); 
	m_fwedit->setGeometry(100,25,180,20); 
	fbut->setGeometry(300,25,100,20); 
 
	fnbut->setGeometry(300,50,100,20); 
	m_cancelbut->setGeometry(300,75,100,20); 
	m_chkcase->setGeometry(130,50,120,20); 
 
	m_icharAt=m_iparaAt=0; 
 
	connect(m_cancelbut,SIGNAL(clicked()),this,SLOT(OnCancel())); 
	connect(fbut,SIGNAL(clicked()),this,SLOT(findString())); 
	connect(fnbut,SIGNAL(clicked()),this,SLOT(findNextString())); 
} 
 
MyFindDlg::~MyFindDlg() 
{ 
 
} 
 
void MyFindDlg::setEdit(QTextEdit *txtEdit) 
{ 
	m_edit=txtEdit; 
} 
 
void MyFindDlg::OnCancel() 
{ 
	reject(); 
} 
 
bool MyFindDlg::findString() 
{ 
	m_icharAt=m_iparaAt=0; 
	return findNextString(); 
} 
 
bool MyFindDlg::findNextString() 
{ 
	assert(m_edit); 
	QString sTmp=m_fwedit->text(); 
	bool bFind=FALSE; 
	while (!(bFind=m_edit->find(sTmp,m_chkcase->isChecked(),FALSE,TRUE,&(m_iparaAt),&m_icharAt)) 
		&& m_iparaAt < m_edit->paragraphs()){ 
		m_iparaAt++; 
	} 
	if (!bFind){ 
		QMessageBox::information(this,"No Found", 
			"Don't found the string what you want!"); 
		return FALSE; 
	} 
	m_icharAt+=sTmp.length(); 
	return TRUE; 
}