rsc3/doc-schelp/HelpSource/Classes/TextField.scrbl

150 lines
2.6 KiB
Racket

#lang scribble/manual
@(require (for-label racket))
@title{TextField}
A view displaying editable text@section{categories}
GUI>Views
@section{description}
A view displaying editable text.
@section{CLASSMETHODS}
@section{PRIVATE}
key
@section{INSTANCEMETHODS}
@section{SUBSECTION}
Data
@section{METHOD}
string
The text displayed in the view.
@section{argument}
A String.
@section{METHOD}
object
If link::#-setBoth:: is true, setting this variable also sets link::#-string:: to the value interpreted link::Classes/Object#-asString#as String::.
@section{argument}
Any object, typically one which makes sense to display as a string, such as a Float.
@section{METHOD}
setBoth
A variable stating whether setting link::#-object:: will also set link::#-string::.
@section{argument}
A Boolean.
@section{METHOD}
value
Gets the same as link::#-string::, but when setting also sets link::#-string:: to the value interpreted link::Classes/Object#-asString#as String:: regardless of the link::#-setBoth:: flag.
@section{argument}
Any object, typically one which makes sense to display as a string, such as a Float.
@section{METHOD}
valueAction
Sets link::#-value:: and triggers link::#-action::.
@section{SUBSECTION}
Appearance
@section{METHOD}
align
The alignment of the displayed text. See link::Reference/gui_alignments:: for possible values.
@section{METHOD}
font
The font used to display the text.
@section{argument}
A Font.
@section{METHOD}
stringColor
The color used to display the text.
@section{argument}
A Color.
@section{METHOD}
background
Setting this variable colors the inside of the field under the text with the given color.
@section{argument}
A Color.
@section{SUBSECTION}
Actions
@section{METHOD}
action
The action object evaluated whenever the user changes the text.
@section{SUBSECTION}
Drag and drop
@section{METHOD}
defaultGetDrag
@section{returns}
The displayed link::#-string::.
@section{METHOD}
defaultCanReceiveDrag
@section{returns}
Always true.
@section{METHOD}
defaultReceiveDrag
Sets link::#-valueAction:: to the current drag data.
@section{EXAMPLES}
@racketblock[
(
w = Window.new.front;
a = TextField(w, Rect(10, 10, 150, 20));
a.string = "hi there";
a.action = {arg field; field.value.postln; };
)
// does not do the action
a.value = "yo";
a.string = "oy";
a.valueAction_("this is not a pipe"); //does the action, if the value has changed
a.doAction; //evaluates the action with the content of the text field as an argument
a.background_(Color.grey);
a.stringColor_(Color.white);
a.align_(\center);
::
]