21 Mode

▼ |  | Framework: Racket GUI Application Framework

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35 | Backwards Compatibility
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| Index

On this page:

mode: surrogate-text<%>
on-enable-surrogate
on-disable-surrogate
mode: surrogate-text%
on-change
on-char
on-default-char
on-default-event
on-display-size
on-edit-sequence
on-event
on-focus
on-load-file
on-local-char
on-local-event
on-new-box
on-new-image-snip
on-paint
on-save-file
on-snip-modified
on-change-style
on-delete
on-insert
on-new-string-snip
on-new-tab-snip
on-set-size-constraint
after-change-style
after-delete
after-insert
after-set-position
after-set-size-constraint
after-edit-sequence
after-load-file
after-save-file
can-change-style?
can-delete?
can-insert?
can-set-size-constraint?
can-do-edit-operation?
can-load-file?
can-save-file?
put-file
mode: host-text<%>
get-surrogate
set-surrogate
mode: host-text-mixin
on-change
on-char
on-default-char
on-default-event
on-display-size
on-edit-sequence
on-event
on-focus
on-load-file
on-local-char
on-local-event
on-new-box
on-new-image-snip
on-paint
on-save-file
on-snip-modified
on-change-style
on-delete
on-insert
on-new-string-snip
on-new-tab-snip
on-set-size-constraint
after-change-style
after-delete
after-insert
after-set-position
after-set-size-constraint
after-edit-sequence
after-load-file
after-save-file
can-change-style?
can-delete?
can-insert?
can-set-size-constraint?
can-do-edit-operation?
can-load-file?
can-save-file?
put-file

Racket
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## 21 Mode🔗ℹ

interface mode:surrogate-text<%> : interface?

> > method (send a-mode:surrogate-text on-enable-surrogate txt) → any
> > txt : (is-a?/c text%)

> Called by set-surrogate to notify the surrogate that it has just become active.

> > method (send a-mode:surrogate-text on-disable-surrogate txt) → any
> > txt : (is-a?/c text%)

> Called by set-surrogate to notify the surrogate that it has just been disabled.

class mode:surrogate-text% : class?
superclass: object%
extends: | mode:surrogate-text<%>

> > > method
> > > (send a-mode:surrogate-text on-change |  | orig |  |  |  |
> > > |  | call-inner) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-char |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | event) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > event : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-default-char |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | event) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > event : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-default-event |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | event) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > event : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-display-size |  | orig |  |  |  |
> > > |  | call-inner) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-edit-sequence |  | orig |  |  |  |
> > > |  | call-inner) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-event |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | event) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > event : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-focus |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | on?) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > on? : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-load-file |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > filename : any/c
> > format : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-local-char |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | event) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > event : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-local-event |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | event) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > event : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-new-box |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | type) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > type : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-new-image-snip |  | orig |
> > > |  | call-super |
> > > |  | filename |
> > > |  | kind |
> > > |  | relative-path? |
> > > |  | inline?) |
> > → any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > filename : any/c
> > kind : any/c
> > relative-path? : any/c
> > inline? : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-paint |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | before? |  |  |  |
> > > |  | dc |  |  |  |
> > > |  | left |  |  |  |
> > > |  | top |  |  |  |
> > > |  | right |  |  |  |
> > > |  | bottom |  |  |  |
> > > |  | dx |  |  |  |
> > > |  | dy |  |  |  |
> > > |  | draw-caret) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > before? : any/c
> > dc : any/c
> > left : any/c
> > top : any/c
> > right : any/c
> > bottom : any/c
> > dx : any/c
> > dy : any/c
> > draw-caret : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-save-file |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > filename : any/c
> > format : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-snip-modified |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | snip |  |  |  |
> > > |  | modified?) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > snip : any/c
> > modified? : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-change-style |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-delete |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-insert |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-new-string-snip |  | orig |
> > > |  | call-super) |
> > → any
> > orig : (is-a?/c text%)
> > call-super : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-new-tab-snip |  | orig |  |  |  |
> > > |  | call-super) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text on-set-size-constraint |  | orig |
> > > |  | call-inner) |
> > → any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-change-style |  | orig |
> > > |  | call-inner |
> > > |  | start |
> > > |  | len) |
> > → any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-delete |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-insert |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-set-position |  | orig |
> > > |  | call-inner) |
> > → any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-set-size-constraint |
> > > |  | orig |
> > > |  | call-inner) |
> > → any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-edit-sequence |  | orig |
> > > |  | call-inner) |
> > → any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-load-file |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | success?) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > success? : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text after-save-file |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | success?) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > success? : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-change-style? |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-delete? |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-insert? |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > start : any/c
> > len : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-set-size-constraint? |
> > > |  | orig |
> > > |  | call-inner) |
> > → any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-do-edit-operation? |  | orig |
> > > |  | call-super |
> > > |  | op) |
> > → any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > op : any/c
> > (send a-mode:surrogate-text can-do-edit-operation? |  | orig |
> > |  | call-super |
> > |  | op |
> > |  | recursive?) |
> > → any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > op : any/c
> > recursive? : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-load-file? |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > filename : any/c
> > format : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text can-save-file? |  | orig |  |  |  |
> > > |  | call-inner |  |  |  |
> > > |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-inner : (-> any)
> > filename : any/c
> > format : any/c

> Returns the result of invoking call-super.

> > > method
> > > (send a-mode:surrogate-text put-file |  | orig |  |  |  |
> > > |  | call-super |  |  |  |
> > > |  | directory |  |  |  |
> > > |  | default-name) |  | → |  | any
> > orig : (is-a?/c text%)
> > call-super : (-> any)
> > directory : any/c
> > default-name : any/c

> Returns the result of invoking call-super.

interface mode:host-text<%> : interface?

> > method (send a-mode:host-text get-surrogate)
> > → (or/c false/c (is-a?/c mode:surrogate-text<%>))

> Returns the currently active surrogate.

> > method (send a-mode:host-text set-surrogate surrogate) → void?
> > surrogate : (or/c false/c (is-a?/c mode:surrogate-text<%>))

> Sets the current surrogate to surrogate.

mixin mode:host-text-mixin : (class? . -> . class?)
result implements: | mode:host-text<%>

> > method (send a-mode:host-text on-change) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-char event) → any
> > event : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-default-char event) → any
> > event : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-default-event event) → any
> > event : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-display-size) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-edit-sequence) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-event event) → any
> > event : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-focus on?) → any
> > on? : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text on-load-file |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > filename : any/c
> > format : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-local-char event) → any
> > event : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-local-event event) → any
> > event : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-new-box type) → any
> > type : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text on-new-image-snip |  | filename |  |  |  |
> > > |  | kind |  |  |  |
> > > |  | relative-path? |  |  |  |
> > > |  | inline?) |  | → |  | any
> > filename : any/c
> > kind : any/c
> > relative-path? : any/c
> > inline? : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text on-paint |  | before? |  |  |  |
> > > |  | dc |  |  |  |
> > > |  | left |  |  |  |
> > > |  | top |  |  |  |
> > > |  | right |  |  |  |
> > > |  | bottom |  |  |  |
> > > |  | dx |  |  |  |
> > > |  | dy |  |  |  |
> > > |  | draw-caret) |  | → |  | any
> > before? : any/c
> > dc : any/c
> > left : any/c
> > top : any/c
> > right : any/c
> > bottom : any/c
> > dx : any/c
> > dy : any/c
> > draw-caret : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text on-save-file |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > filename : any/c
> > format : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text on-snip-modified |  | snip |  |  |  |
> > > |  | modified?) |  | → |  | any
> > snip : any/c
> > modified? : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text on-change-style |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-delete start len) → any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-insert start len) → any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-new-string-snip) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-new-tab-snip) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text on-set-size-constraint) → any

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text after-change-style |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text after-delete |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text after-insert |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text after-set-position) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text after-set-size-constraint) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text after-edit-sequence) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text after-load-file success?) → any
> > success? : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text after-save-file success?) → any
> > success? : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text can-change-style? |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text can-delete? |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text can-insert? |  | start |  |  |  |
> > > |  | len) |  | → |  | any
> > start : any/c
> > len : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text can-set-size-constraint?) → any

> Delegates to the result of get-surrogate if it is not #f.

> > method (send a-mode:host-text can-do-edit-operation? op) → any
> > op : any/c
> > (send a-mode:host-text can-do-edit-operation? |  | op |  |  |  |
> > |  | recursive?) |  | → |  | any
> > op : any/c
> > recursive? : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text can-load-file? |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > filename : any/c
> > format : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text can-save-file? |  | filename |  |  |  |
> > > |  | format) |  | → |  | any
> > filename : any/c
> > format : any/c

> Delegates to the result of get-surrogate if it is not #f.

> > > method
> > > (send a-mode:host-text put-file |  | directory |  |  |  |
> > > |  | default-name) |  | → |  | any
> > directory : any/c
> > default-name : any/c

> Delegates to the result of get-surrogate if it is not #f.

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