Example of qt4.6: textfinder (@ eclipse + linux)

Just built the development environment of QT, try hand, see http://doc.trolltech.com/4.6/uitools-textfinder.html
. However, instead of using QT creator, eclipse is used.

 

1. textfinder. UI file (modified ):

<? XML version = "1.0" encoding = "UTF-8"?> <Br/> <UI version = "4.0"> <br/> <class> textfinderclass </class> <br/> <widget class = "qwidget" name = "textfinderclass"> <br/> <property name = "Geometry"> <br/> <rect> <br/> <x> 0 </x> <br/> <Y> 0 </Y> <br/> <width> 359 </width> <br/> <peight> 185 </peight> <br/> </rect> <br/> </property> <br/> <property name = "windowtitle"> <br/> <string> textfinder </string> <br/> </property> <br/> <widget class = "qlabel" name = "label"> <br/> <property name = "Geometry"> <br/> <rect> <br/> <x> 10 </x> <br/> <Y> 20 </Y> <br/> <width> 68 </width> <br/> <peight> 18 </peight> <br/> </rect> <br/> </property> <br/> <property name = "text"> <br/> <string> keywords: </string> <br/> </property> <br/> </widget> <br/> <widget class = "qlineedit" name = "lineedit"> <br/> <property name = "Geometry"> <br/> <rect> <br/> <x> 100 </x> <br/> <Y> 20 </Y> <br/> <width> 141 </width> <br/> <peight> 26 </peight> <br/> </rect> <br/> </property> <br/> </widget> <br/> <widget class = "qtextedit" name = "textedit"> <br/> <property name = "Geometry"> <br/> <rect> <br/> <x> 20 </x> <br/> <Y> 60 </Y> <br/> <width> 321 </width> <br/> <peight> 111 </peight> <br/> </rect> <br/> </property> <br/> </widget> <br/> <widget class = "qpushbutton" name = "findbutton"> <br/> <property name = "Geometry"> <br/> <rect> <br/> <x> 250 </x> <br/> <Y> 20 </Y> <br/> <width> 92 </width> <br/> <peight> 28 </peight> <br/> </rect> <br/> </property> <br/> <property name = "text"> <br/> <string> Find </string> <br/> </property> <br/> </widget> <br/> <layoutdefault spacing = "6" margin = "11" /> <br/> <resources/> <br/> <connections/> <br/> </UI>

2. textfinder. h file (modified ):

# Ifndef textfinder_h <br/> # define textfinder_h <br/> # include <qtgui/qwidget> <br/> # include "ui_textfinder.h" <br/> class textfinder: public qwidget <br/>{< br/> q_object <br/> Public: <br/> textfinder (qwidget * parent = 0); <br/> ~ Textfinder (); <br/> PRIVATE: <br/> UI: textfinderclass UI; <br/> private slots: <br/> void on_findbutton_clicked (); <br/> PRIVATE: <br/> void loadtextfile (); <br/>}; <br/> # endif // textfinder_h

3. textfinder. cpp file (modified ):

# Include <qtcore/qfile> <br/> # include <qtcore/qtextstream> <br/> # include "textfinder. H "<br/> textfinder: textfinder (qwidget * parent) <br/>: qwidget (parent) <br/>{< br/> UI. setupui (this); <br/> loadtextfile (); <br/>}< br/> textfinder ::~ Textfinder () <br/>{< br/>}< br/> void textfinder: loadtextfile () <br/>{< br/> qfile inputfile ("input.txt"); <br/> inputfile. open (qiodevice: readonly); <br/> qtextstream in (& inputfile); <br/> qstring line = in. readall (); <br/> inputfile. close (); <br/> UI. textedit-> setplaintext (line); <br/> qtextcursor cursor = UI. textedit-> textcursor (); <br/> cursor. moveposition (qtextcursor: Start, qtextcursor: moveanchor, 1); <br/>}< br/> void textfinder: on_findbutton_clicked () <br/>{< br/> qstring searchstring = UI. lineedit-> text (); <br/> UI. textedit-> Find (searchstring, qtextdocument: findwholewords); <br/>}

4. ui_textfinder.h file (View ):

/*************************************** **************************************** * <Br/> ** form generated from reading UI file 'textfinder. ui '<br/> ** created: Fri Dec 25 19:52:16 2009 <br/> **: qt User Interface compiler version 4.6.0 <br/> ** warning! All changes made in this file will be lost when recompiling UI file! <Br/> ************************************ **************************************** * ***/<br/> # ifndef ui_textfinder_h <br/> # define ui_textfinder_h <br/> # include <qtcore/qvariant> <br/> # include <qtgui/qaction> <br/> # include <qtgui/qapplication> <br/> # include <qtgui/qbuttongroup> <br/> # include <qtgui/qheaderview> <br/> # include <qtgui/qlabel> <br/> # include <qtgui/qlineedit> <br/> # include <qtgui/qpushbutton> <br/> # include <qtgui/qtextedit> <br /># include <qtgui/qwidget> <br/> qt_begin_namespace <br/> class ui_textfinderclass <br/>{< br/> public: <br/> qlabel * label; <br/> qlineedit * lineedit; <br/> qtextedit * textedit; <br/> qpushbutton * findbutton; <br/> void setupui (qwidget * textfinderclass) <br/>{< br/> If (textfinderclass-> objectname (). isempty () <br/> textfinderclass-> setobjectname (qstring: fromutf8 ("textfinderclass"); <br/> textfinderclass-> resize (359,185 ); <br/> label = new qlabel (textfinderclass); <br/> label-> setobjectname (qstring: fromutf8 ("label ")); <br/> label-> setgeometry (qrect (10, 20, 68, 18); <br/> lineedit = new qlineedit (textfinderclass ); <br/> lineedit-> setobjectname (qstring: fromutf8 ("lineedit"); <br/> lineedit-> setgeometry (qrect (100, 20,141, 26 )); <br/> textedit = new qtextedit (textfinderclass); <br/> textedit-> setobjectname (qstring: fromutf8 ("textedit ")); <br/> textedit-> setgeometry (qrect (20, 60,321,111); <br/> findbutton = new qpushbutton (textfinderclass); <br/> findbutton-> setobjectname (qstring:: fromutf8 ("findbutton"); <br/> findbutton-> setgeometry (qrect (250, 20, 92, 28); <br/> retranslateui (textfinderclass ); <br/> qmetaobject: connectslotsbyname (textfinderclass); <br/>}// setupui <br/> void retranslateui (qwidget * textfinderclass) <br/>{< br/> textfinderclass-> setwindowtitle (qapplication: translate ("textfinderclass", "textfinder", 0, qapplication: unicodeutf8 )); <br/> label-> settext (qapplication: translate ("textfinderclass", "keywords:", 0, qapplication: unicodeutf8 )); <br/> findbutton-> settext (qapplication: translate ("textfinderclass", "find", 0, qapplication: unicodeutf8 )); <br/>}// retranslateui <br/>}; <br/> namespace UI {<br/> class textfinderclass: Public ui_textfinderclass {}; <br/>}// namespace UI <br/> qt_end_namespace <br/> # endif // ui_textfinder_h