Qt GUI C++ Classes

The Qt GUI module provides the basic enablers for graphical applications written with Qt. More...

Classes

QOpenGLFunctions_1_0

All functions for OpenGL 1.0 specification

QOpenGLFunctions_3_2_Core

All functions for OpenGL 3.2 core profile

QSupportedWritingSystems

Used when registering fonts with the internal Qt fontdatabase

QOpenGLFunctions_1_1

All functions for OpenGL 1.1 specification

QOpenGLFunctions_1_2

All functions for OpenGL 1.2 specification

QOpenGLFunctions_1_3

All functions for OpenGL 1.3 specification

QOpenGLFunctions_1_4

All functions for OpenGL 1.4 specification

QOpenGLFunctions_1_5

All functions for OpenGL 1.5 specification

QOpenGLFunctions_2_0

All functions for OpenGL 2.0 specification

QOpenGLFunctions_2_1

All functions for OpenGL 2.1 specification

QOpenGLFunctions_3_0

All functions for OpenGL 3.0 specification

QOpenGLFunctions_3_1

All functions for OpenGL 3.1 specification

QOpenGLFunctions_3_2_Compatibility

All functions for OpenGL 3.2 compatibility profile

QOpenGLFunctions_3_3_Compatibility

All functions for OpenGL 3.3 compatibility profile

QOpenGLFunctions_3_3_Core

All functions for OpenGL 3.3 core profile

QOpenGLFunctions_4_0_Compatibility

All functions for OpenGL 4.0 compatibility profile

QOpenGLFunctions_4_0_Core

All functions for OpenGL 4.0 core profile

QOpenGLFunctions_4_1_Compatibility

All functions for OpenGL 4.1 compatibility profile

QOpenGLFunctions_4_1_Core

All functions for OpenGL 4.1 core profile

QOpenGLFunctions_4_2_Compatibility

All functions for OpenGL 4.2 compatibility profile

QOpenGLFunctions_4_2_Core

All functions for OpenGL 4.2 core profile

QOpenGLFunctions_4_3_Compatibility

All functions for OpenGL 4.3 compatibility profile

QOpenGLFunctions_4_3_Core

All functions for OpenGL 4.3 core profile

QOpenGLFunctions_4_4_Compatibility

All functions for OpenGL 4.4 compatibility profile

QOpenGLFunctions_4_4_Core

All functions for OpenGL 4.4 core profile

QOpenGLFunctions_4_5_Compatibility

All functions for OpenGL 4.5 compatibility profile

QOpenGLFunctions_4_5_Core

All functions for OpenGL 4.5 core profile

QOpenGLFunctions_ES2

All functions for OpenGL ES 2

QVulkanDeviceFunctions

Cross-platform access to the device level core Vulkan 1.0 API

QVulkanFunctions

Cross-platform access to the instance level core Vulkan 1.0 API

Detailed Description

The Qt GUI module provides classes for windowing system integration, event handling, OpenGL and OpenGL ES integration, Vulkan integration, 2D graphics, imaging, fonts and typography. These classes are used internally by Qt's user interface technologies and can also be used directly, for instance to write applications using low-level OpenGL ES graphics APIs.

To include the definitions of the module's classes, use the following directive:


  #include <QtGui>

If you use qmake to build your projects, Qt GUI is included by default. To disable Qt GUI, add the following line to your .pro file:


  QT -= gui