GtkButton

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GtkButton

A widget that creates a signal when clicked on

Keywords
internal
Methods and Functions

gtkButtonNew(show = TRUE) gtkButtonNewWithLabel(label, show = TRUE) gtkButtonNewWithMnemonic(label, show = TRUE) gtkButtonNewFromStock(stock.id, show = TRUE) gtkButtonPressed(object) gtkButtonReleased(object) gtkButtonClicked(object) gtkButtonEnter(object) gtkButtonLeave(object) gtkButtonSetRelief(object, newstyle) gtkButtonGetRelief(object) gtkButtonGetLabel(object) gtkButtonSetLabel(object, label) gtkButtonGetUseStock(object) gtkButtonSetUseStock(object, use.stock) gtkButtonGetUseUnderline(object) gtkButtonSetUseUnderline(object, use.underline) gtkButtonSetFocusOnClick(object, focus.on.click) gtkButtonGetFocusOnClick(object) gtkButtonSetAlignment(object, xalign, yalign) gtkButtonGetAlignment(object) gtkButtonSetImage(object, image) gtkButtonGetImage(object) gtkButtonSetImagePosition(object, position) gtkButtonGetImagePosition(object) gtkButton(label, stock.id, show = TRUE)

Hierarchy

GObject
   +----GInitiallyUnowned
         +----GtkObject
               +----GtkWidget
                     +----GtkContainer
                           +----GtkBin
                                 +----GtkButton
                                       +----GtkToggleButton
                                       +----GtkColorButton
                                       +----GtkFontButton
                                       +----GtkLinkButton
                                       +----GtkOptionMenu
                                       +----GtkScaleButton

Interfaces

GtkButton implements AtkImplementorIface, GtkBuildable and GtkActivatable.

Detailed Description

The GtkButton widget is generally used to attach a function to that is called when the button is pressed. The various signals and how to use them are outlined below. The GtkButton widget can hold any valid child widget. That is it can hold most any other standard GtkWidget. The most commonly used child is the GtkLabel.

Structures

Convenient Construction

gtkButton is the result of collapsing the constructors of GtkButton (gtkButtonNew, gtkButtonNewWithLabel, gtkButtonNewFromStock, gtkButtonNewWithMnemonic) and accepts a subset of its arguments matching the required arguments of one of its delegate constructors.

Signals

activate(widget, user.data)
The ::activate signal on GtkButton is an action signal and emitting it causes the button to animate press then release. Applications should never connect to this signal, but use the gtkButtonClicked signal.
widget
the object which received the signal.
user.data
user data set when the signal handler was connected.
clicked(button, user.data)
Emitted when the button has been activated (pressed and released).
button
the object that received the signal
user.data
user data set when the signal handler was connected.
enter(button, user.data)
Emitted when the pointer enters the button.
button
the object that received the signal
user.data
user data set when the signal handler was connected.
leave(button, user.data)
Emitted when the pointer leaves the button.
button
the object that received the signal
user.data
user data set when the signal handler was connected.
pressed(button, user.data)
Emitted when the button is pressed.
button
the object that received the signal
user.data
user data set when the signal handler was connected.
released(button, user.data)
Emitted when the button is released.
button
the object that received the signal
user.data
user data set when the signal handler was connected.

Properties

focus-on-click [logical : Read / Write]
Whether the button grabs focus when it is clicked with the mouse. Default value: TRUE
image [GtkWidget : * : Read / Write]
Child widget to appear next to the button text.
image-position [GtkPositionType : Read / Write]
The position of the image relative to the text inside the button. Default value: GTK_POS_LEFT Since 2.10
label [character : * : Read / Write / Construct]
Text of the label widget inside the button, if the button contains a label widget. Default value: NULL
relief [GtkReliefStyle : Read / Write]
The border relief style. Default value: GTK_RELIEF_NORMAL
use-stock [logical : Read / Write / Construct]
If set, the label is used to pick a stock item instead of being displayed. Default value: FALSE
use-underline [logical : Read / Write / Construct]
If set, an underline in the text indicates the next character should be used for the mnemonic accelerator key. Default value: FALSE
xalign [numeric : Read / Write]
If the child of the button is a GtkMisc or GtkAlignment, this property can be used to control it's horizontal alignment. 0.0 is left aligned, 1.0 is right aligned. Allowed values: [0,1] Default value: 0.5 Since 2.4
yalign [numeric : Read / Write]
If the child of the button is a GtkMisc or GtkAlignment, this property can be used to control it's vertical alignment. 0.0 is top aligned, 1.0 is bottom aligned. Allowed values: [0,1] Default value: 0.5 Since 2.4

Style Properties

child-displacement-x [integer : Read]
How far in the x direction to move the child when the button is depressed. Default value: 0
child-displacement-y [integer : Read]
How far in the y direction to move the child when the button is depressed. Default value: 0
default-border [GtkBorder : * : Read]
The "default-border" style property defines the extra space to add around a button that can become the default widget of its window. For more information about default widgets, see gtkWidgetGrabDefault.
default-outside-border [GtkBorder : * : Read]
The "default-outside-border" style property defines the extra outside space to add around a button that can become the default widget of its window. Extra outside space is always drawn outside the button border. For more information about default widgets, see gtkWidgetGrabDefault.
displace-focus [logical : Read]
Whether the child_displacement_x/child_displacement_y properties should also affect the focus rectangle. Default value: FALSE Since 2.6
image-spacing [integer : Read]
Spacing in pixels between the image and label. Allowed values: >= 0 Default value: 2
inner-border [GtkBorder : * : Read]
Sets the border between the button edges and child. Since 2.10

References

http://library.gnome.org/devel//gtk/GtkButton.html

Aliases
  • GtkButton
  • gtkButton
Documentation reproduced from package RGtk2, version 2.20.31, License: GPL

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