The book of qt 4 the art of building qt applications - phần 8 doc

... QStringobjects, making useofthe toLocal8Bit()method internally. 11.4Startingand ControllingProcesses Nowandagainyou maywanttomake useofthe services of command-linebased programs, particularlyon Unix-based operating ... LOGGERTHREAD_H In theconstructor wespecifythefilename for the le butdonot openit. In run() weonlystartthe eventloop of thethreadvia exec(). append()opens the le for each i...

Ngày tải lên: 13/08/2014, 08:21

... informa- tion, see my book PHP Solutions: Dynamic Web Design Made Easy (friends of ED, ISBN: 97 8- 1 -5 905 9-7 3 1-6 ) and the MySQL documentation at http://dev.mysql.com /doc/ refman/5.0/en/encryption-functions.html. Chapter ... reentering the password in the update form. THE ESSENTIAL GUIDE TO DREAMWEAVER CS4 WITH CSS, AJAX, AND PHP 6 74 If the name of the persona...

Ngày tải lên: 12/08/2014, 13:22

... contains the name of the class we are trying to create. Although this name is the same as the name of the constructor, we shouldn’t think of it that way. Think of it as the name of the class ... Encapsulation Another key pillar of object orientation is encapsulation.This is the ability to wall off an object, separating the inside of the object from the outs...

Ngày tải lên: 12/08/2014, 16:21

... label match the corners of the label as seen on the photograph of the can. / When we change the mode of the Smart Object label from Normal to Multiply, we can see through it to the shaded label ... Drag the top two handles up, to make the top of the label fit the can; drag them outwards as well, towards the edges. This will help give the impression of...

Ngày tải lên: 08/08/2014, 23:20

... andOther Classesnot Derived from QObject 40 1 .4. 3The Qt InheritanceHierarchy 41 1.5QtataGlance 42 1.5. 1The Qt Libraries 42 1.5.2Toolsand Utilities 47 1.5.3Examples andDemos 58 1.6Howto Use theDocumentation ... indirectlybytheinformationcontained in it. LibraryofCongressCataloging-in-Publication Data Molkentin, Daniel [Qt4 , Einf¨uhrung in die Applikationsentwicklung.Engli...

Ngày tải lên: 28/04/2014, 16:56

... recycled paper Qt 4 Qt 4 THE ART OF BUILDING Qt APPLICATIONS DANIEL MOLKENTIN THE BOOK of THE BOOK of Qt 4 THE BOOK of THE BOOK of Qt 4 ® MOLKENTIN 1 Basics,Tools, and First Code Several Qt classeshaveQObject ... thechosencategory.Whenthe user changesthe categoryon the 34 Contents 4. 3.3Integrating theMainWindowwithYourSourceCode 110...

Ngày tải lên: 13/08/2014, 08:21

... andOpenGLmodules; anddetaileddescriptionsofthe toolsand utilities. Figure 1. 18: Theclass documentationofthe QWidget class Theclass documentationiswhatismostfrequentlyused in day-to-dayworkwith Qt. If you knowtheclass names, ... now ByteConverterDialog decEdit textChanged() setText() hexEdit textChanged() setText() binEdit textChanged() setText() decChanged() hexChanged() binChanged() We ca...

Ngày tải lên: 13/08/2014, 08:21

... areasofthe window,orposition them floatingover themainwindow.Iftheyaredocked, thelatter haveasplitter (see Chapter 5.3onpage 150), withwhich theusercan fine-tune thesizeratio of thedockwindowto themainwindow,ifnecessary.Dockwindowsalsohavea handle ... usingthe Designer,which allowsthe basicgraphical frameworkofmostapplications to be puttogether “bymouseclick” in Qt versions 4. 1and later ....

Ngày tải lên: 13/08/2014, 08:21

... ClickSplitterHandle::mouseDoubleClickEvent()wefirstdetermine thealignment of thesplitter.Weobtainthe positionofthe splitter,using theQSplitter::indexOf() method. This is also thepositionofthe widgetlyingtothe rightof(or directly beneath) thesplitter. Forreasons ... this topicatthe endofSection 4. 8. If thenameismissing,Qtcom- plains at runtimeonthe standardoutput. Unfortunately,itisnot pos...

Ngày tải lên: 13/08/2014, 08:21

... query.Thisisfollowed bythelistofstrings to be displayed.Then comesthe indexof thelistele ment that thedrop-downwidgetdisplaysatthe be- ginning .The next-to-lastparameter specifies whether theusercan add ... andisdescribedinRFCs2 045 , 2 046 , and2 047 . 1 94 6.5 Ready-made DialogsinQt 6.5.4Input Dialogs Forsimplequeries,Qtprovides various template inputdialogs,consistingofasuit- able inputwi...

Ngày tải lên: 13/08/2014, 08:21