Foundations of Qt Development by Johan Thelin

By Johan Thelin

Qt is among the so much influential graphical toolkits for the Linux working process and is instantly being followed on different systems (Windows, Mac OS) besides. because the average for the KDE computing device atmosphere, it's a worthy study for all Linux programmers. Qt is without doubt one of the "big " computing device advancements environments for Linux. As such, if a developer is writing an software that would be run on Linux, studying to strengthen in Qt is a needs to. As contemporary traits have tested, The Linux computer is at the movement and is now a conceivable substitute to home windows. As this laptop swap happens in companies internationally, progressively more builders will commence constructing purposes with Qt. As pointed out, Qt is usually a plausible pass platform improvement toolkit, with excessive profile purposes equivalent to Adobe Photoshop components, Google Earth, Perforce visible buyer, and Skype all being constructed with Qt. Foundations of Qt improvement takes the reader step-by-step in the course of the complexities of Qt, laying the foundation that enables the reader to make the step from beginner to expert. This booklet is chocked filled with genuine global examples that may be quick built-in right into a developer’s undertaking. whereas the reader is believed to be a newbie at Qt improvement, they're required to have a operating wisdom of C++ programming.

Show description

Read Online or Download Foundations of Qt Development PDF

Similar user experience & usability books

Ambient Intelligence

Ambient intelligence is the imaginative and prescient of a expertise that might turn into invisibly embedded in our common atmosphere, current every time we want it, enabled via basic and easy interactions, attuned to all our senses, adaptive to clients and context-sensitive, and independent. fine quality info entry and custom-made content material has to be on hand to every body, wherever, and at any time.

Cross-Word Modeling for Arabic Speech Recognition

Cross-Word Modeling for Arabic Speech acceptance makes use of phonological principles with a view to version the cross-word challenge, a merging of adjoining phrases in speech brought on by non-stop speech, to reinforce the functionality of continuing speech popularity platforms. the writer goals to supply an realizing of the cross-word challenge and the way it may be kept away from, particularly targeting Arabic phonology utilizing an HHM-based classifier.

Sustainable Web Ecosystem Design

This booklet is ready the method of constructing web-based platforms (i. e. , web content, content material, and so forth. ) that think about all the elements, the modules, the organisms – binary or in a different way – that make up a balanced, sustainable internet environment. within the present media-rich surroundings, an internet site is greater than a set of relative html records of textual content and photographs on a static computer computing device video display.

Augmented and Virtual Reality: Second International Conference, AVR 2015, Lecce, Italy, August 31 - September 3, 2015, Proceedings

This booklet constitutes the refereed court cases of the second one foreign convention on Augmented and digital truth, AVR 2015, held in Lecce, Italy, in September 2015. The 32 papers and eight brief papers offered have been rigorously reviewed and chosen from eighty two submissions. The SALENTO AVR 2015 convention brings jointly a neighborhood of researchers from academia and undefined, machine scientists, engineers, and physicians with the intention to proportion issues of perspectives, wisdom, studies, and medical and technical effects relating to state of the art options and applied sciences on digital and augmented truth purposes for drugs, cultural history, schooling, business sectors, in addition to the demonstration of complicated items and applied sciences.

Additional info for Foundations of Qt Development

Sample text

They are all shown as a form in Designer—but the end results are different. You start your work in Designer by selecting the button box in the dialog and pressing Delete. You see the cleared dialog shown in Figure 2-10. Figure 2-10. The form cleared from buttons 39 40 CHAPTER 2 ■ RAPID APPLICATION DEVELOPMENT USING QT After deleting the widget, you can now start adding widgets. Make sure that you are in the mode for editing widgets. The working mode is selected from the toolbar shown in Figure 2-11.

Try CHAPTER 2 ■ RAPID APPLICATION DEVELOPMENT USING QT resizing the dialog to see how the layouts interact and try different styles for seeing the dialog on the different platforms that Qt supports. Before the dialog is done, however, there are a few details to sort out. First, all texts and widget names must be set up. Selecting a button displays its properties in the Property Editor. Simply click on the value and edit it to change it. Table 2-1 shows the names and texts to apply to the buttons from the top down.

Listing 1-18 shows these methods in action. The resulting string will contain the text "foobarbaz" when the code has executed. That is, the item first enqueued appears first in the string—FIFO. Listing 1-18. dequeue(); CHAPTER 1 ■ THE QT WAY OF C++ Mapping and Hashing Lists are good for keeping things, but sometimes it is interesting to associate things, this is where maps and hashes enter the picture. Let’s start by having a look at the QMap class, which enables you to keep items in key-value pairs.

Download PDF sample

Rated 4.72 of 5 – based on 22 votes