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《从入门学习Qt的教程》PDF档.pdf
About
Chapter 1: Getting started with Qt
Remarks
Versions
Examples
Installation and Setup on Windows and Linux
Hello World
Basic application with QtCreator and QtDesigner
Chapter 2: About using layouts, widget parenting
Introduction
Remarks
Examples
Basic Horizontal Layout
Basic Vertical Layout
Combining Layouts
Grid layout example
Chapter 3: Build QtWebEngine from source
Introduction
Examples
Build on Windows
Chapter 4: CMakeLists.txt for your Qt project
Examples
CMakeLists.txt for Qt 5
Chapter 5: Common Pitfalls
Examples
Using Qt:DirectConnection when receiver object doesn't receive signal
Chapter 6: Communication between QML and C++
Introduction
Examples
Call C++ in QML
Call QML in C++
Chapter 7: Deploying Qt applications
Examples
Deploying on windows
Integrating with CMake
Deploying on Mac
Deploying on linux
Chapter 8: Header on QListView
Introduction
Examples
Custom QListView declaration
Implementation of the custom QListView
Use case: MainWindow declaration
Use case: Implementation
Use case: Sample output
Chapter 9: Implicit sharing
Remarks
Examples
Basic Concept
Chapter 10: Model/View
Examples
A Simple Read-only Table to View Data from a Model
A simple tree model
Chapter 11: Multimedia
Remarks
Examples
Video Playback in Qt 5
Audio Playback in Qt5
Chapter 12: QDialogs
Remarks
Examples
MyCompareFileDialog.h
MyCompareFileDialogDialog.cpp
MainWindow.h
MainWindow.cpp
main.cpp
mainwindow.ui
Chapter 13: QGraphics
Examples
Pan, zoom, and rotate with QGraphicsView
Chapter 14: qmake
Examples
Default "pro" file.
Preserving source directory structure in a build (undocumented "object_parallel_to_source" option).
Simple Example (Linux)
SUBDIRS example
Library example
Creating a project file from existing code
Chapter 15: QObject
Remarks
Examples
QObject example
qobject_cast
QObject Lifetime and Ownership
Chapter 16: Qt - Dealing with Databases
Remarks
Examples
Using a Database on Qt
Qt - Dealing with Sqlite Databases
Qt - Dealing with ODBC Databases
Qt - Dealing with in-memory Sqlite Databases
Remove Database connection correctly
Chapter 17: Qt Container Classes
Remarks
Examples
QStack usage
QVector usage
QLinkedList usage
QList
Chapter 18: Qt Network
Introduction
Examples
TCP Client
TCP Server
Chapter 19: Qt Resource System
Introduction
Examples
Referencing files within code
Chapter 20: QTimer
Remarks
Examples
Simple example
Singleshot Timer with Lambda function as slot
Using QTimer to run code on main thread
Basic Usage
QTimer::singleShot simple usage
Chapter 21: Signals and Slots
Introduction
Remarks
Examples
A Small Example
The new Qt5 connection syntax
Connecting overloaded signals/slots
Multi window signal slot connection
Chapter 22: SQL on Qt
Examples
Basic connection and query
Qt SQL query parameters
MS SQL Server Database Connection using QODBC
Chapter 23: Threading and Concurrency
Remarks
Examples
Basic usage of QThread
QtConcurrent Run
Invoking slots from other threads
Chapter 24: Using Style Sheets Effectively
Examples
Setting a UI widget's stylesheet
Credits
Qt
#qt
Table of Contents
About
Chapter 1: Getting started with Qt
Remarks
Versions
Examples
Installation and Setup on Windows and Linux
Hello World
Basic application with QtCreator and QtDesigner
Chapter 2: About using layouts, widget parenting
Introduction
Remarks
Examples
Basic Horizontal Layout
Basic Vertical Layout
Combining Layouts
Grid layout example
Chapter 3: Build QtWebEngine from source
Introduction
Examples
Build on Windows
Chapter 4: CMakeLists.txt for your Qt project
Examples
CMakeLists.txt for Qt 5
Chapter 5: Common Pitfalls
Examples
Using Qt:DirectConnection when receiver object doesn't receive signal
Chapter 6: Communication between QML and C++
Introduction
Examples
Call C++ in QML
1
2
2
2
2
2
8
9
13
13
13
13
13
14
15
16
19
19
19
19
20
20
20
22
22
22
24
24
24
24
Call QML in C++
Chapter 7: Deploying Qt applications
Examples
Deploying on windows
Integrating with CMake
Deploying on Mac
Deploying on linux
Chapter 8: Header on QListView
Introduction
Examples
Custom QListView declaration
Implementation of the custom QListView
Use case: MainWindow declaration
Use case: Implementation
Use case: Sample output
Chapter 9: Implicit sharing
Remarks
Examples
Basic Concept
Chapter 10: Model/View
Examples
A Simple Read-only Table to View Data from a Model
A simple tree model
Chapter 11: Multimedia
Remarks
Examples
Video Playback in Qt 5
Audio Playback in Qt5
Chapter 12: QDialogs
Remarks
Examples
MyCompareFileDialog.h
25
30
30
30
30
31
32
33
33
33
33
34
35
35
36
38
38
38
38
40
40
40
43
47
47
47
47
47
49
49
49
49
MyCompareFileDialogDialog.cpp
MainWindow.h
MainWindow.cpp
main.cpp
mainwindow.ui
Chapter 13: QGraphics
Examples
Pan, zoom, and rotate with QGraphicsView
Chapter 14: qmake
Examples
Default "pro" file.
Preserving source directory structure in a build (undocumented "object_parallel_to_source"
Simple Example (Linux)
SUBDIRS example
Library example
Creating a project file from existing code
Chapter 15: QObject
Remarks
Examples
QObject example
qobject_cast
QObject Lifetime and Ownership
Chapter 16: Qt - Dealing with Databases
Remarks
Examples
Using a Database on Qt
Qt - Dealing with Sqlite Databases
Qt - Dealing with ODBC Databases
Qt - Dealing with in-memory Sqlite Databases
Remove Database connection correctly
Chapter 17: Qt Container Classes
Remarks
49
50
50
51
51
53
53
53
55
55
55
55
56
57
59
59
61
61
61
61
61
62
64
64
64
64
65
66
68
69
71
71
Examples
QStack usage
QVector usage
QLinkedList usage
QList
Chapter 18: Qt Network
Introduction
Examples
TCP Client
TCP Server
Chapter 19: Qt Resource System
Introduction
Examples
Referencing files within code
Chapter 20: QTimer
Remarks
Examples
Simple example
Singleshot Timer with Lambda function as slot
Using QTimer to run code on main thread
Basic Usage
QTimer::singleShot simple usage
Chapter 21: Signals and Slots
Introduction
Remarks
Examples
A Small Example
The new Qt5 connection syntax
Connecting overloaded signals/slots
Multi window signal slot connection
Chapter 22: SQL on Qt
Examples
71
71
71
72
72
75
75
75
75
77
81
81
81
81
82
82
82
82
84
84
84
85
87
87
87
87
87
88
90
91
94
94
Basic connection and query
Qt SQL query parameters
MS SQL Server Database Connection using QODBC
Chapter 23: Threading and Concurrency
Remarks
Examples
Basic usage of QThread
QtConcurrent Run
Invoking slots from other threads
Chapter 24: Using Style Sheets Effectively
Examples
Setting a UI widget's stylesheet
Credits
94
94
95
98
98
98
98
99
100
102
102
102
103
About
You can share this PDF with anyone you feel could benefit from it, downloaded the latest version
from: qt
It is an unofficial and free Qt ebook created for educational purposes. All the content is extracted
from Stack Overflow Documentation, which is written by many hardworking individuals at Stack
Overflow. It is neither affiliated with Stack Overflow nor official Qt.
The content is released under Creative Commons BY-SA, and the list of contributors to each
chapter are provided in the credits section at the end of this book. Images may be copyright of
their respective owners unless otherwise specified. All trademarks and registered trademarks are
the property of their respective company owners.
Use the content presented in this book at your own risk; it is not guaranteed to be correct nor
accurate, please send your feedback and corrections to info@zzzprojects.com
https://riptutorial.com/
1
Chapter 1: Getting started with Qt
Remarks
As official documentation stated, Qt is a cross-platform application development framework for
desktop, embedded and mobile. Supported Platforms include Linux, OS X, Windows, VxWorks,
QNX, Android, iOS, BlackBerry, Sailfish OS and others.
This section provides an overview of what Qt is, and why a developer might want to use it.
It should also mention any large subjects within Qt, and link out to the related topics. Since the
documentation for qt is new, you may need to create initial versions of those related topics.
Versions
Version Release date
Qt 3.0
2001-10-16
Qt 3.3
2004-02-05
Qt 4.1
2005-12-20
Qt 4.8
2011-12-15
Qt 5.0
2012-12-19
Qt 5.6
2016-03-16
Qt 5.7
2016-06-16
Qt 5.8
2017-01-23
Qt 5.9
2017-05-31
Examples
Installation and Setup on Windows and Linux
Download Qt for Linux Open Source Version
Go to https://www.qt.io/download-open-source/ and click on Download Now, make sure that you
are downloading the Qt installer for Linux.
https://riptutorial.com/
2
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