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.Dd December 21, 2022
.Dt AG_TITLEBAR 3
.Os Agar 1.7
.Sh NAME
.Nm AG_Titlebar
.Nd agar stock titlebar widget
.Sh SYNOPSIS
.Bd -literal
#include <agar/core.h>
#include <agar/gui.h>
.Ed
.Sh DESCRIPTION
.\" IMAGE(/widgets/AG_Titlebar.png, "The stock AG_Titlebar widget")
The
.Nm
widget is Agar's general-purpose window titlebar.
It is derived from
.Xr AG_Box 3 ,
it packs an
.Xr AG_Label 3
and optional
.Xr AG_Button 3
controls for closing, minimizing and maximizing the window.
.Sh INHERITANCE HIERARCHY
.Xr AG_Object 3 ->
.Xr AG_Widget 3 ->
.Xr AG_Box 3 ->
.Nm .
.Sh INITIALIZATION
Note: Unless the
.Dv AG_WINDOW_NOTITLE
is used, a
.Nm
is attached by default to newly created windows (see
.Xr AG_Window 3 ) .
This interface is therefore rarely used directly.
.Pp
.nr nS 1
.Ft "AG_Titlebar *"
.Fn AG_TitlebarNew "AG_Widget *parent" "Uint flags"
.Pp
.nr nS 0
The
.Fn AG_TitlebarNew
function allocates, initializes, and attaches a new
.Nm
widget.
Available
.Fa flags
options include:
.Pp
.Bl -tag -compact -width "AG_TITLEBAR_NO_MAXIMIZE "
.It AG_TITLEBAR_NO_CLOSE
Disable the
.Em close
control button.
.It AG_TITLEBAR_NO_MINIMIZE
Disable the
.Em minimize
control button.
.It AG_TITLEBAR_NO_MAXIMIZE
Disable the
.Em maximize
control button.
.El
.Sh EVENTS
The
.Nm
widget generates the following events:
.Pp
.Bl -tag -compact -width 2n
.It Fn window-close "void"
The
.Em close
button has been triggered.
.El
.Sh STRUCTURE DATA
For the
.Ft AG_Titlebar
object:
.Pp
.Bl -tag -compact -width "AG_Label *label "
.It Ft AG_Window *win
Back pointer to the attached
.Xr AG_Window 3 ,
if any.
.It Ft AG_Label *label
Pointer to the
.Xr AG_Label 3
displaying the window caption.
.El
.Sh SEE ALSO
.Xr AG_Button 3 ,
.Xr AG_Intro 3 ,
.Xr AG_Label 3 ,
.Xr AG_View 3 ,
.Xr AG_Widget 3 ,
.Xr AG_Window 3
.Sh HISTORY
The
.Nm
widget first appeared in Agar 1.0.