Difference between revisions of "Qt"

Revision as of 17:01, 21 December 2011

Simple Widgets

• Toolbar icons
• Use icons without resources (QCommonStyle) - Old method
• Display a toolbar (also an example of resources)
• Display a dialog
• Programmatically create a button
• Button widget (single inheritance)
• Button widget (multiple inheritance)
• Call a normal function from an event
• Check box widget
• Combo box widget
• Progress bar widget
• Progress bar marquee widget
• Display a progress bar while a long operation is being processed
• Slider widget
• File dialog
• File dialog - append a specified suffix if one is not provided
• Radio button widget
• Timer
• Thread
• MessageBox from a thread
• MessageBox from a class object within a thread
• QWidget subclass in a cpp file
• Operations on files (exist, etc)
• Information about a file (basename, path, extension, etc)
• File menu
• Display a widget inside a main window
• Display a templated widget inside a main window
• Change the cursor
• LineEdit widget - a text box
• Label

Model/View

• QAbstractTableModel
• ComboBox of CheckBoxes (QStandardItemModel, QStandardItem)
• A StringListModel with checkboxes
• A StandardItemModel with checkboxes
• An AbstractListModel with checkboxes
• An AbstractListModel where one of the cells can be changed using a QFileDialog
• A persistent ComboBox on a list view
• Track selected items in a model

Utilities

• Get the system time
• Status bar
• Drag and drop files onto a widget
• Add resize handles to a rectangle

Other

• Using Qt with Boost

Images

• QPixmap

• Move a pixmap in a QGraphicsView

• Make pixels semi-transparent

• Use a QRubberBand to indicate a selected region in an image

• Customize QGraphicsView to monitor the RubberBand behavior

Delegates

• A combobox in a TableView

Databases

• A ListView of a table column

QWT

• Simple plot