Download PDF by Mark Summerfield: Advanced Qt Programming: Creating Great Software with C++

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By Mark Summerfield

ISBN-10: 0321635906

ISBN-13: 9780321635907

This publication is geared toward present C++/Qt programmers and provides principles and thoughts which are too complex or really good (although no longer inevitably difficult), for a primary ebook on Qt.

Qt has now grown to over seven-hundred periods and good over 1000000 phrases of documentation, a ways an excessive amount of to hide in one quantity. So rather than protecting every thing very thinly, the e-book makes a speciality of key parts of Qt know-how and attempts to supply extra finished assurance than is on hand elsewhere.

The publication is totally useful in emphasis, with each procedure illustrated by means of operating code. The examples express Qt most sensible practices, and feature been demonstrated on Linux, Mac OS X, and home windows, utilizing Qt 4.6 and the place attainable (e.g., utilizing #if QT_VERSION), Qt 4.5. (The examples and a pattern bankruptcy might be downloaded from the book's website. Amazon don't let URLs so google for "qtrac" to discover it.)

The book's major issues are hybrid desktop/Internet functions, threading, wealthy textual content dealing with, Qt's graphics/view structure, and Qt's model/view structure (to which 4 chapters are devoted), even supposing many different themes are lined. in addition to every one chapter's major topic, plenty of different sessions, equipment, and methods are used anyplace they make experience, to teach as many Qt good points as attainable. So even the main skilled Qt programmer should still become aware of elements of Qt they weren't conscious of, notice new ideas, and be encouraged with new ideas.</i>

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Extra info for Advanced Qt Programming: Creating Great Software with C++ and Qt 4 (Prentice Hall Open Source Software Development Series)

Sample text

ToPlainText(); #endif setToolTip(toolTipText); } Unfortunately, Qt rich text (HTML) tray icon tooltips are only supported on X11, so for Windows and Mac OS X systems we convert the HTML tooltip text to plain text. We do this by using the static QTextDocumentFragment::fromHtml() method to get a QTextDocumentFragment, and then using QTextDocumentFragment:: 18 Chapter 1. Hybrid Desktop/Internet Applications toPlainText(), to produce plain text. Using a QTextDocumentFragment is more convenient than doing the conversion by hand since not only does it convert HTML entities to the appropriate Unicode characters and strip out HTML tags, but it is also smart enough to convert
s into newlines.

9. This application shows pages from the NYRB (New York Review of Books) using the browser window component from the previous subsection. What makes this application stand out as more convenient to use than viewing the site in a web browser is that it offers comboboxes listing the issues and the articles within a selected issue. This gives the user an easy way of seeing what issues and articles are available and a fast way of choosing an article to read. Most of the functionality is already present in the browser window component, so we only need to concentrate on how we are going to populate the comboboxes with the correct data and how we are going to make them work.

Qt::ActionsContextMenu : Qt::NoContextMenu); } In some use cases the application embedding the browser window does not want the user to be able to make use of the browser functionality beyond simply viewing and interacting with the page that is presented. This method makes it possible to disable or enable the browser window’s actions. toUrl()); } When this method is invoked it pops up a menu whose items correspond to the web pages the user has visited. The link data is retrieved from the QWebView’s 30 Chapter 1.

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Advanced Qt Programming: Creating Great Software with C++ and Qt 4 (Prentice Hall Open Source Software Development Series) by Mark Summerfield


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