"QT" C + + GUI QT4 Learning Note 2

Go to Cell use QT Desinger to do the interface after the code added to have

Gotocelldialog.h

#ifndef Gotocelldialog_h#defineGotocelldialog_h#include<QDialog>#include"ui_gotocelldialog.h"classGotocelldialog: PublicQdialog, Publicui::gotocelldialog{Q_object Public: Gotocelldialog (Qwidget*parent =0);PrivateSlots:voidon_lineedit_textchanged ();};#endif //Gotocelldialog_h

Gotocelldialog.cpp

#include <QtGui>#include"gotocelldialog.h"Gotocelldialog::gotocelldialog (Qwidget*parent): Qdialog (parent) {SETUPUI ( This); Qregexp RegExp ("[a-za-z][1-9][0-9]{0,2}"); LineEdit->setvalidator (NewQregexpvalidator (REGEXP, This)); Connect (OKButton, SIGNAL (clicked ()), This, SLOT (Accept ())); Connect (CancelButton, SIGNAL (clicked ()), This, SLOT (Reject ()));}voidgotocelldialog::on_lineedit_textchanged () {OKButton->setenabled (lineedit->hasacceptableinput ());}

Main

#include <QApplication>"gotocelldialog.h"int main (int  Char *argv[]) {    qapplication A (argc, argv);     New Gotocelldialog;    Dialog, Show ();     return a.exec ();}

Effect

Sort

Sortdialog.h

#ifndef Sortdialog_h #define Sortdialog_h<QDialog><ui_sortdialog.h>classpublic public  ui::sortdialog{    q_objectpublic:    0);     void Setcolumnrange (Qchar First, Qchar last);}; #endif // Sortdialog_h

Sortdialog.cpp

#include <QtGui>#include"sortdialog.h"Sortdialog::sortdialog (Qwidget*parent): Qdialog (parent) {SETUPUI ( This); Secondarygroupbox-Hide (); Tertiarygroupbox-Hide (); Layout ()-Setsizeconstraint (qlayout::setfixedsize); Setcolumnrange ('A','Z');}voidSortdialog::setcolumnrange (Qchar First, Qchar last) {Primarycolumncombo-Clear (); Secondarycolumncombo-Clear (); Tertiarycolumncombo-Clear (); Secondarycolumncombo->additem (TR ("None")); Tertiarycolumncombo->additem (TR ("None")); Primarycolumncombo->setminimumsize (secondarycolumncombo->sizehint ()); Qchar CH=First ;  while(Ch <=Last ) {Primarycolumncombo-addItem (QString (ch)); Secondarycolumncombo-addItem (QString (ch)); Tertiarycolumncombo-addItem (QString (ch)); CH= Ch.unicode () +1; }}

Main

 #include <qapplication> #include   sortdialog.h   " int  Main (int  argc, char  *argv[]) {qapplication app (argc, argv);    Sortdialog  *dialog =  Sortdialog; Dialog ->setcolumnrange ( c  Span style= "color: #800000;" ", "  f   

"QT" C + + GUI QT4 Learning Note 2