Download e-book for kindle: C++ GUI Programming with Qt 4 (2nd Edition) (Prentice Hall by Jasmin Blanchette

By Jasmin Blanchette

The single respectable, Best-Practice consultant to Qt 4.3 ProgrammingUsing Trolltech's Qt you could construct industrial-strength C++ functions that run natively on home windows, Linux/Unix, Mac OS X, and embedded Linux with out resource code alterations. Now, Trolltech insiders have written a start-to-finish advisor to getting awesome effects with the newest model of Qt: Qt 4.3. filled with practical examples and in-depth recommendation, this is often the ebook Trolltech makes use of to educate Qt to its personal new hires. widely revised and accelerated, it finds contemporary most sensible Qt programming styles for every thing from enforcing model/view structure to utilizing Qt 4.3's stronger snap shots aid. you will discover confirmed ideas for nearly each GUI improvement activity, in addition to subtle thoughts for offering database entry, integrating XML, utilizing subclassing, composition, and extra. no matter if you are new to Qt or upgrading from an older model, this booklet should help accomplish every thing that Qt 4.3 makes attainable. thoroughly up to date all through, with major new insurance of databases, XML, and Qtopia embedded programmingCovers all Qt 4.2/4.3 adjustments, together with home windows Vista help, local CSS aid for widget styling, and SVG dossier generationContains separate second and 3D chapters, insurance of Qt 4.3's new snap shots view periods, and an creation to QPainter's OpenGL back-endIncludes new chapters on look-and-feel customization and alertness scriptingIllustrates Qt 4's model/view structure, plugin help, format administration, occasion processing, box sessions, and lots more and plenty morePresents complex recommendations coated in no different book—from developing plugins to interfacing with local APIsIncludes a brand new appendix on Qt Jambi, the hot Java model of Qt

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Extra resources for C++ GUI Programming with Qt 4 (2nd Edition) (Prentice Hall Open Source Software Development Series)

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3 FindDialog::FindDialog(QWidget *parent) 4 : QDialog(parent) 5 { 6 label = new QLabel(tr("Find &what:")); 7 lineEdit = new QLineEdit; 8 label->setBuddy(lineEdit); 9 10 caseCheckBox = new QCheckBox(tr("Match &case")); backwardCheckBox = new QCheckBox(tr("Search &backward")); 11 12 13 findButton = new QPushButton(tr("&Find")); findButton->setDefault(true); findButton->setEnabled(false); 14 closeButton = new QPushButton(tr("Close")); On line 4, we pass on the parent parameter to the base class constructor.

Qt Designer expands the options available to programmers by providing a visual design capability. Qt Designer can be used to develop all or just some of an application's forms. Forms that are created using Qt Designer end up as C++ code, so Qt Designer can be used with a conventional tool chain and imposes no special requirements on the compiler. 4. Whether we do it in code or in Qt Designer, creating a dialog always involves the same fundamental steps: 1. Create and initialize the child widgets.

4. Establish signal–slot connections. 5. Implement the dialog's custom slots. 4. y|Designer in the Start menu on Windows, type designer on the command line on Unix, or double-click Designer in the Mac OS X Finder. When Qt Designer starts, it will pop up a list of templates. Click the "Widget" template, then click Create. ) You should now have a window called "Untitled". By default, Qt Designer's user interface consists of several top-level windows. 5, click Edit|Preferences and set the user interface mode to Docked Window.

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