comp • gb.qt4 • combobox

ComboBox (gb.qt4)

Implements a text box combined with a popup list box.

(The picture shows two comboboxes, the second being read-only).

This class inherits Control.
This class is
Creates a new ComboBox control.
creatable
.
This class acts like a
Returns a combo-box item from its index.
read-only
array.

Properties

Methods Events
Returns or sets the action string associated with the control.
Action  
Returns or sets the background color used by the control.
Background  
Returns or sets if the control has a border.
Border  
Returns the number of elements in the popup list box.
Count  
Returns the current selected item of the popup list box.
Current  
Use this property for assigning a custom cursor to a control.
Cursor  
Indicates that the control is in design mode.
Design  
Returns or sets if a control accepts drops.
Drop  
Indicates that the control is enabled.
Enabled  
Returns or sets if a control will expand if included in a container that arranges its contents.
Expand  
Returns or sets the font used to draw text in the control.
Font  
Returns or sets the foreground color used by the control.
Foreground  
A synonymous for the Height property.
H  
Returns the internal X11 window handle of the control.
Handle  
Returns whether the control has the focus.
HasFocus  
Returns or sets the height of the control.
Height  
Returns whether the mouse cursor is inside the control.
Hovered  
A synonymous for the Handle property.
Id  
Returns or sets if a control must be ignored when its parent arranges its children.
Ignore  
Returns the index of the current selected item of the popup list box.
Index  
Returns or sets the position of the left border of the control relative to its parent.
Left  
Returns the length of the text in the text box.
Length  
Returns or sets the popup list box contents from a string array.
List  
Returns or sets the maximum permitted length of the text in the text box.
MaxLength  
Returns or sets the appearence of the cursor when it points inside the control.
Mouse  
Returns or sets the name of the control.
Name  
Returns the next control having the same parent.
Next  
Return or set if a control cannot be focused with the TAB key.
NoTabFocus  
Returns the control container.
Parent  
Indicates if characters typed in the text box should be hidden and replaced by stars.
Password  
Return or set the name of the menu that will be popped-up when the user presses the right mouse button or the keyboard MENU key.
PopupMenu  
Returns or sets the position of the cursor in the text box.
Pos  
Returns the previous control having the same parent.
Previous  
Return or set the "proxy" of a control.
Proxy  
Indicates if the combo-box is read-only, i.e. if its text box is editable or not.
ReadOnly  
Returns the position of the left border of the control in screen coordinates.
ScreenX  
Returns the position of the top border of the control in screen coordinates.
ScreenY  
Returns if some text is selected in the ComboBox.
Selected  
Returns an object used for managing the selected text.
Selection  
Indicates if the popup list-box elements are sorted or not.
Sorted  
Returns or sets the control tag.
Tag  
Returns or sets the text of the text box.
Text  
Returns or sets the tooltip shown when the mouse stays on the control a few time.
Tooltip  
Returns or sets the position of the top border of the control relative to its parent.
Top  
Returns or sets if the control will receive MouseMove events.
Tracking  
Indicates if the control is visible or not.
Visible  
A synonymous for the Width property.
W  
Returns or sets the width of the control.
Width  
Returns the top-level window that contains the control.
Window  
Returns or sets the position of the left border of the control relative to its parent.
X  
Returns or sets the position of the top border of the control relative to its parent.
Y  
Inserts an element in the popup list box.
Add  
Clears the combo box.
Clear  
CursorAt  
Destroys the control.
Delete  
Starts a drag & drop process.
Drag  
Finds an element in the poup list box and returns its index, or -1 if the element cannot be found.
Find  
Grab the keyboard and the mouse so that all keyboard and mouse events are received by the control.
Grab  
Hides the control.
Hide  
Inserts a string in the text box.
Insert  
Sends the control to the background of its parent.
Lower  
Moves and/or resizes the control.
Move  
Moves and/or resizes the control.
MoveScaled  
Opens the ComboBox popup menu.
Popup  
Sends the control to the foreground of its parent.
Raise  
Trigger a redraw of the control.
Refresh  
Removes a element from the popup list box.
Remove  
Changes the container of a control.
Reparent  
Resizes the control.
Resize  
Resizes the control.
ResizeScaled  
Define the selected text.
Select  
SelectAll  
Gives the focus to the control.
SetFocus  
Shows the control.
Show  
Unselects the selected text of the ComboBox.
Unselect  
Raised when the RETURN key is hit in the text box.
Activate  
Raised when the text in the combo box is modified.
Change  
Raised when an element is selected in the popup list box.
Click  
Raised when the user quickly clicks twice on the control.
DblClick  
This event is raised when the mouse enters the control during a drag & drop process.
Drag  
This event is raised when the mouse leaves the control during a drag & drop operation.
DragLeave  
This event is raised while the mouse moves inside the control during a drag & drop process.
DragMove  
This event is raised when a drag is dropped in the control.
Drop  
Raised when the mouse enters the control.
Enter  
Raised when the control has got the focus.
GotFocus  
Raised when a key is pressed while the control has the focus.
KeyPress  
Raised when a key is released while the control has the focus.
KeyRelease  
Raised when the mouse leaves the control.
Leave  
Raised when the control has lost the focus.
LostFocus  
Raised when the user clicks on the control with the right mouse button, or if it hits the MENU key.
Menu  
Raised when a mouse button is pressed while the cursor is inside the control.
MouseDown  
This event is raised when a drag operation should be started.
MouseDrag  
Raised when the mouse moves inside the control while a mouse button is pressed.
MouseMove  
Raised when a mouse button is depressed while the cursor is inside the control.
MouseUp  
This event is raised when the user moves or presses the mouse wheel while the mouse is inside the control.
MouseWheel