The book of qt 4 the art of building qt applications - phần 10 pptx

... format 1 14 undo se e QTextDocument QtGlobal 386 QtGui 42 , 44 45 QThread see threads QThreadStorage 345 – 347 QTime 188 QTimer3 34, 350 singleshot timer3 04 QTimerEvent 188, 189 QtNetwork 42 , 45 , 332 QtOpenGL42, ... 381 QTableView 211 QTableWidget251, 253 QtCore42, 44 , 332 debugvariations28 QTcpServer 333, 338 QTcpSocket40, 318, 333, 3 34, 340 QtDBus43, 47 QtDebug 387 QTempora...

Ngày tải lên: 13/08/2014, 08:21

... Only the photos of Japan should be displayed. The photos of England have been filtered out of the data set, but they’re not displayed in the data container either. 7. Change the default value of ... ways of doing this. Either you can click the yellow right-facing arrow at the top-left of the data container in the Data Selection field or you can select its name f...

Ngày tải lên: 12/08/2014, 13:22

... indirectlybytheinformationcontained in it. LibraryofCongressCataloging-in-Publication Data Molkentin, Daniel [Qt4 , Einf¨uhrung in die Applikationsentwicklung.English] The book of Qt4 : the art of building ... Applikationsentwicklung.English] The book of Qt4 : the art of building Qtapplications/byDaniel Molkentin 1st ed. p. cm. Includesindex. ISBN-1397 8-1 -...

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

... now ByteConverterDialog decEdit textChanged() setText() hexEdit textChanged() setText() binEdit textChanged() setText() decChanged() hexChanged() binChanged() We can connect thesignals andslots of theline-edit widgets from theByteCon- verterDialog to thesignals andslots of theByteConverter class, for example, the hexChanged()signalofthe decEdit object ... implements both thegraphical in...

Ngày tải lên: 13/08/2014, 08:21

... usingthe Designer,which allowsthe basicgraphical frameworkofmostapplications to be puttogether “bymouseclick” in Qt versions 4. 1and later .The basisofthisisthe QMainWindowQt class. 4. 1The Anatomy of ... theirtoolswithinthe main window.Ascan be seen in theexampleofthe Designer in Figure 4. 11, theusercan dock them in thesamewayas toolbars to side areasofthe window,orposition them flo...

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 ... as the rstargu- ment,thenthe dialog willnot be modal .The nexttwoargumentsare thedialog heading andthe startdirectory. TheQDir...

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

... weconstruct thedescription of theaddressbook entryusingthe <table>tag. Each rowof thetable consists of twocells,one of which contains thenameofthe address book field (the key)and theother ,the matching ... QModelIndex&parent)const { Q_UNUSED(parent); returnaddressBook.at(0).count(); } Viewsthatuse ouraddressbook modelcan discover thelabelingofthe rowsand columns via thehead...

Ngày tải lên: 13/08/2014, 08:21

... drawEllipse() drawsacircle,startingfromthe coordinates (10 , 10) ,inasquare of 80 × 80 pixels. Since wehaveset thesizeofthe whole image to 100 × 100 pixels, thecir cleisright at thecenter of thepicture.Qtadheres to thestandardprogramming ... nowconnect theclicked()signalofthe Screenshot!buttontothe slot that prepares thescreenshot,and thesignalofthe Printbuttontothe slot that enables...

Ngày tải lên: 13/08/2014, 08:21