These Qt examples show how to use Qt, with or without the Qt Creator GUI designer. Note that these (that is: with or without using the Qt Creator GUI designer) can be converted without much trouble.

Example 1: moving a sprite over a background in 2D
- screenshot (png)
- uses QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QPixmap
Example 2: moving many sprites over a background in 2D
- screenshot (png)
- uses QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QPixmap
Example 3: a changing background in 2D
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 4: moving many sprites over a changing background in 2D
- screenshot (png)
- uses QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 5: moving many changing sprites over a changing background in 2D
- screenshot (png)
- uses QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 6: moving customly-drawn and partially transparent sprites over a changing background in 2D
- screenshot (png)
- uses QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 7: let customly-drawn and partially transparent sprites move and collide over a changing background in 2D
- screenshot (png)
- uses DoPerfectElasticCollision, QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 8: simple 2D SIR simulation
- screenshot (png)
- uses DoPerfectElasticCollision, QBitmap, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 9: custom sprites over custom background
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QImage, QPixmap
Example 10: change label when dialog is resized
- screenshot (png)
- uses QDialog, QResizeEvent
Example 11: creating a QDialog with QLayout on the fly
- screenshot (png)
- uses QDialog, QPushButton, QVBoxLayout, setWindowTitle, setGeometry
Example 12: creating a custom QDialog with slot
- screenshot (png)
- uses QDialog, slots
Example 13: creating a more complete custom QDialog with slot
- screenshot (png)
- uses QDialog, slots
Example 14: creating a more complete custom QDialog with slot with shorter compilation time
- screenshot (png)
- uses QDialog, slots
Example 15: pop-up windows from pop-up windows
- screenshot (png)
- uses QDialog, slots, setModal
Example 16: using resources
- screenshot (png)
- uses QDialog, QPixmap, resources
Example 17: clickable QLabels showing an image
- screenshot (png)
- uses QDialog, QLabel, QPixmap, shows creating a custom signal
Example 18: stretchDraw and rotate an image
- screenshot (png)
- uses QDialog, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QPixmap
Example 19: GUI around image rotation
- screenshot (png)
- uses QDialog, QGraphicsScene, QGraphicsView, QGraphicsPixmapItem, QPixmap
Example 20: a sketch widget
- screenshot (png)
- uses QDialog, QPainter
Example 21: a transparent-like dialog
- screenshot (png)
- uses QDialog, QPainter, QPixmap
Example 22: a transparent dialog
- screenshot (png)
- uses QDialog, setMask
Example 23: grab a widget as an image
- screenshot (png)
- uses QDialog, QPixmap
Example 24: create a simple text positioning widget
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsTextItem
Example 25: a transparent sketch widget
- screenshot (png)
- uses QDialog, setMask
Example 26: create a text positioning widget
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
Example 27: create a simple gravity widget
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
Example 28: bouncing rectangles widget
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsItem
Example 29: bouncing balls widget
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsItem
Example 30: controlling program flow with a Singleton
- (no screenshot)
- uses QDialog, Singleton
Example 31: moveable thin lines
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsLineItem
Example 32: moveable and selectable thin lines
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsLineItem
Example 33: moveable and selectable arrows
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsLineItem
Example 34: moveable, selectable and editable arrows
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsLineItem
Example 35: arrows with an angle
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsItem
Example 36: arrows with multiple midpoints
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsItem
Example 37: rounded rectangle item
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QRectItem
Moving line example
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPathItem
Qwt example 2: QwtPlot as QGraphicsItem
- screenshot (Lubuntu)(png)screenshot (Windows)(png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget, QwtPlot
QGraphicsItemGroup example 1: basic
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsItemGroup, QGraphicsPathItem, QGraphicsRectItem
QGraphicsObject example 1: basic
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsObject
QGraphicsObject example 2: flashing
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsObject, QTimer
QGraphicsObject example 3: flashing only
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsObject, QTimer
QGraphicsPathItem example 1: basic
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPathItem
QGraphicsPathItem example 2: Bezier quadratic arrows
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPathItem, QGraphicsRectItem
QGraphicsPathItem example 3: Bezier quadratic lines again
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPathItem, QGraphicsRectItem
QGraphicsPathItem example 4: Bezier quadratic lines with arrow heads
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPathItem, QGraphicsRectItem
QGraphicsPathItem example 5: Bezier quadratic lines with arrow heads again
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPathItem, QGraphicsRectItem
QGraphicsPixmapItem example 1: basic
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsPixmapItem example 2: clickable pixmap
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsPixmapItem example 3: clickable and selectable pixmap
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsPixmapItem example 4: pixmap that changes cursor
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsPixmapItem example 5: respond to cursor moving over pixmap
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsPixmapItem example 6: let the view respond to cursor moving over pixmap
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsPixmapItem example 7: respond to cursor moving over pixmap while holding the cursor still
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsPixmapItem
QGraphicsProxyWidget example 1
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget
QGraphicsProxyWidget example 2
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget
QGraphicsProxyWidget example 3
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget
QGraphicsProxyWidget example 4
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget
QGraphicsProxyWidget example 5
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget
QGraphicsProxyWidget example 6
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsProxyWidget
QGraphicsRectItem example 1: basic
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsRectItem
QGraphicsRectItem example 2: coordinat display
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsRectItem, QGraphicsRectItem
QGraphicsRectItem example 3: coordinat display on a linear gradient
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsRectItem, QGraphicsRectItem, QLinearGradient
QGraphicsSimpleTextItem example 1: Hello World
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsSimpleTextItem
QGraphicsSimpleTextItem example 2: coordinat display
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsSimpleTextItem, QGraphicsRectItem
QGraphicsSimpleTextItem example 3: use tab to change focus
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsSimpleTextItem, QGraphicsRectItem
QGraphicsSimpleTextItem example 4: use arrows to change focus
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsSimpleTextItem, QGraphicsRectItem
QGraphicsSimpleTextItem example 5: keyboard-friendly view
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsSimpleTextItem, QGraphicsRectItem
QGraphicsSimpleTextItem example 6: remote texting
- screenshot (png)
- uses QGraphicsScene, QGraphicsView, QGraphicsSimpleTextItem, QGraphicsRectItem, boost::signal2

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(C++) Qt examples