98e06248b5
the "Show Active Keybindings" menu item closes PR 12737 Thanks to Laurent Orseau for the fix!
695 lines
30 KiB
Racket
695 lines
30 KiB
Racket
#lang racket/unit
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(require string-constants
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racket/match
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racket/class
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racket/string
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"drsig.rkt"
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mred
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framework
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net/url
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net/head
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setup/plt-installer
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help/bug-report
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racket/file)
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(import [prefix drracket:unit: drracket:unit^]
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[prefix drracket:app: drracket:app^]
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[prefix help: drracket:help-desk^]
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[prefix drracket:multi-file-search: drracket:multi-file-search^]
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[prefix drracket:init: drracket:init^]
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[prefix drracket: drracket:interface^])
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(export (rename drracket:frame^
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[-mixin mixin]))
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(define last-keybindings-planet-attempt "")
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(define basics-mixin
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(mixin (frame:standard-menus<%>) (drracket:frame:basics<%>)
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(define/override (on-subwindow-focus win on?)
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(when the-keybindings-frame
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(when on?
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(send the-keybindings-frame set-bindings
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(if (can-show-keybindings?)
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(get-keybindings-to-show)
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'())))))
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(define/override (on-subwindow-char receiver event)
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(let ([user-key? (send (keymap:get-user)
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handle-key-event
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(if (is-a? receiver editor-canvas%)
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(send receiver get-editor)
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receiver)
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event)])
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;; (printf "user-key? ~s\n" user-key?) returns #t for key release events -- is this a problem? (we'll find out!)
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(or user-key?
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(super on-subwindow-char receiver event))))
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(inherit get-edit-target-window get-edit-target-object get-menu-bar)
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(define/private (get-menu-bindings)
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(let ([name-ht (make-hasheq)])
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(let loop ([menu-container (get-menu-bar)])
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(for-each
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(λ (item)
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(when (is-a? item selectable-menu-item<%>)
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(let ([short-cut (send item get-shortcut)])
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(when short-cut
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(let ([keyname
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(string->symbol
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(keymap:canonicalize-keybinding-string
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(string-append
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(menu-item->prefix-string item)
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(case short-cut
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[(#\;) "semicolon"]
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[(#\:) "colon"]
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[(#\space) "space"]
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[else
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(cond
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[(symbol? short-cut) (symbol->string short-cut)]
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[(char? short-cut) (string short-cut)])]))))])
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(hash-set! name-ht keyname (send item get-plain-label))))))
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(when (is-a? item menu-item-container<%>)
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(loop item)))
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(send menu-container get-items)))
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(when (eq? (system-type) 'windows)
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(for-each (λ (top-level-menu)
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(when (is-a? top-level-menu menu%)
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(let ([amp-key
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(let loop ([str (send top-level-menu get-label)])
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(cond
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[(regexp-match #rx"[^&]*[&](.)(.*)" str)
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=>
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(λ (m)
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(let ([this-amp (list-ref m 1)]
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[rest (list-ref m 2)])
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(cond
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[(equal? this-amp "&")
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(loop rest)]
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[else
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(string-downcase this-amp)])))]
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[else #f]))])
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(when amp-key
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(hash-set! name-ht
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(format "m:~a" amp-key)
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(format "~a menu" (send top-level-menu get-plain-label)))
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(hash-set! name-ht
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(format "m:s:~a" amp-key)
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(format "~a menu" (send top-level-menu get-plain-label)))))))
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(send (get-menu-bar) get-items)))
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name-ht))
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(define/private (menu-item->prefix-string item)
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(apply
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string-append
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(map (λ (prefix)
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(case prefix
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[(alt) (if (eq? (system-type) 'windows)
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"m:"
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"a:")]
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[(cmd) "d:"]
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[(meta) "m:"]
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[(ctl) "c:"]
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[(shift) "s:"]
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[(opt option) "a:"]
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[else (error 'menu-item->prefix-string "unknown prefix ~s\n" prefix)]))
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(send item get-shortcut-prefix))))
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(define/private (copy-hash-table ht)
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(let ([res (make-hasheq)])
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(hash-for-each
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ht
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(λ (x y) (hash-set! res x y)))
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res))
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(define/private (can-show-keybindings?)
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(let ([edit-object (get-edit-target-object)])
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(and edit-object
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(is-a? edit-object editor<%>)
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(let ([keymap (send edit-object get-keymap)])
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(is-a? keymap keymap:aug-keymap<%>)))))
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;; pre: (can-show-keybindings?) = #t
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(define/private (get-keybindings-to-show)
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(define edit-object (get-edit-target-object))
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(define keymap (send edit-object get-keymap))
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(define menu-names (get-menu-bindings))
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(define table (send keymap get-map-function-table))
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(define bindings (hash-map table list))
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(define w/menus
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(append (hash-map menu-names list)
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(filter (λ (binding) (not (bound-by-menu? binding menu-names)))
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bindings)))
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(sort
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w/menus
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(λ (x y) (string-ci<=? (cadr x) (cadr y)))))
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(define/private (show-keybindings)
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(if (can-show-keybindings?)
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(show-keybindings-to-user (get-keybindings-to-show) this)
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(bell)))
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(define/private (bound-by-menu? binding menu-table)
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(ormap (λ (constituent)
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(hash-ref menu-table (string->symbol constituent) (λ () #f)))
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(regexp-split #rx";" (symbol->string (car binding)))))
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(define/override (help-menu:before-about help-menu)
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(make-help-desk-menu-item help-menu))
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(define/override (help-menu:about-callback item evt) (drracket:app:about-drscheme))
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(define/override (help-menu:about-string) (string-constant about-drscheme))
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(define/override (help-menu:create-about?) #t)
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(define/public (get-additional-important-urls) '())
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(define/override (help-menu:after-about menu)
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(drracket:app:add-important-urls-to-help-menu
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menu
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(get-additional-important-urls))
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(new menu-item%
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[label (string-constant bug-report-submit-menu-item)]
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[parent menu]
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[callback
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(λ (x y)
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(define saved (saved-bug-report-titles/ids))
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(cond
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[(null? saved)
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(help-desk:report-bug #f #:frame-mixin basics-mixin)]
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[else
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(define which #f)
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(define (done the-one)
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(set! which the-one)
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(send dlg show #f))
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(define dlg (new dialog%
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[label (string-constant drscheme)]
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[parent this]))
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(define btn1 (new button%
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[parent dlg]
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[label (string-constant new-bug-report)]
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[callback (λ (x y) (done #f))]))
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(new message% [parent dlg] [label (string-constant saved-unsubmitted-bug-reports)])
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(define btns
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(cons btn1
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(for/list ([a-brinfo (in-list saved)])
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(new button%
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[parent dlg]
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[label (brinfo-title a-brinfo)]
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[callback
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(λ (x y) (done (brinfo-id a-brinfo)))]))))
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(define width (apply max (map (λ (x) (let-values ([(w h) (send x get-client-size)]) w))
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btns)))
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(for ([x (in-list btns)])
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(send x min-width width))
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(send btn1 focus)
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(send dlg show #t)
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(help-desk:report-bug which #:frame-mixin basics-mixin)]))])
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(new menu%
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[label (string-constant saved-bug-reports-menu-item)]
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[parent menu]
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[demand-callback
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(let ([last-time (gensym)]) ;; a unique thing to guarantee the menu is built the first time
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(λ (saved-bug-reports-menu)
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(define this-time (saved-bug-report-titles/ids))
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(unless (equal? last-time this-time)
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(set! last-time this-time)
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(for ([x (in-list (send saved-bug-reports-menu get-items))])
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(send x delete))
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(cond
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[(null? this-time)
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(send (new menu-item%
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[parent saved-bug-reports-menu]
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[label (string-constant no-saved-bug-reports)]
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[callback void])
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enable #f)]
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[else
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(for ([a-brinfo (in-list this-time)])
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(new menu-item%
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[parent saved-bug-reports-menu]
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[label (brinfo-title a-brinfo)]
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[callback
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(λ (x y)
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(help-desk:report-bug (brinfo-id a-brinfo) #:frame-mixin basics-mixin))]))
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(new separator-menu-item% [parent saved-bug-reports-menu])
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(new menu-item%
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[parent saved-bug-reports-menu]
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[label (string-constant disacard-all-saved-bug-reports)]
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[callback (λ (x y) (discard-all-saved-bug-reports))])]))))])
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(drracket:app:add-language-items-to-help-menu menu))
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(define/override (file-menu:new-string) (string-constant new-menu-item))
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(define/override (file-menu:open-string) (string-constant open-menu-item))
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(define/override (file-menu:between-open-and-revert file-menu)
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(make-object menu-item%
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(string-constant install-plt-file-menu-item...)
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file-menu
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(λ (item evt)
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(install-plt-file this)))
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(super file-menu:between-open-and-revert file-menu))
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(define/override (file-menu:between-print-and-close menu)
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(super file-menu:between-print-and-close menu)
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(instantiate menu-item% ()
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(label (string-constant mfs-multi-file-search-menu-item))
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(parent menu)
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(callback
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(λ (_1 _2)
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(drracket:multi-file-search:multi-file-search))))
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(new separator-menu-item% (parent menu)))
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(define/override (edit-menu:between-find-and-preferences menu)
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(super edit-menu:between-find-and-preferences menu)
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(make-object separator-menu-item% menu)
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(let ([keybindings-on-demand
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(λ (menu-item)
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(let ([last-edit-object (get-edit-target-window)])
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(send menu-item enable (can-show-keybindings?))))])
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(instantiate menu% ()
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(label (string-constant keybindings-menu-item))
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(parent menu)
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(demand-callback
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(λ (keybindings-menu)
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(for-each (λ (old) (send old delete))
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(send keybindings-menu get-items))
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(new menu-item%
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(parent keybindings-menu)
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(label (string-constant keybindings-show-active))
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(callback (λ (x y) (show-keybindings)))
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(help-string (string-constant keybindings-info))
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(demand-callback keybindings-on-demand))
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(new menu-item%
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(parent keybindings-menu)
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(label (string-constant keybindings-add-user-defined-keybindings))
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(callback
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(λ (x y)
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(with-handlers ([exn? (λ (x)
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(printf "~a\n" (exn-message x)))])
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(let ([filename (finder:get-file
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#f
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(string-constant keybindings-choose-user-defined-file)
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#f
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""
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this)])
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(when filename
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(add-keybindings-item/update-prefs filename)))))))
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(new menu-item%
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(parent keybindings-menu)
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(label (string-constant keybindings-add-user-defined-keybindings/planet))
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(callback
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(λ (x y)
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(let ([planet-spec (get-text-from-user (string-constant drscheme)
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(string-constant keybindings-type-planet-spec)
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this
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last-keybindings-planet-attempt)])
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(when planet-spec
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(set! last-keybindings-planet-attempt planet-spec)
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(cond
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[(planet-string-spec? planet-spec)
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=>
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(λ (planet-sexp-spec)
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(add-keybindings-item/update-prefs planet-sexp-spec))]
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[else
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(message-box (string-constant drscheme)
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(format (string-constant keybindings-planet-malformed-spec)
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planet-spec)
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#:dialog-mixin frame:focus-table-mixin)]))))))
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(let ([ud (preferences:get 'drracket:user-defined-keybindings)])
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(unless (null? ud)
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(new separator-menu-item% (parent keybindings-menu))
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(for-each (λ (item)
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(new menu-item%
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(label (format (string-constant keybindings-menu-remove)
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(if (path? item)
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(path->string item)
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(format "~s" item))))
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(parent keybindings-menu)
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(callback
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(λ (x y) (remove-keybindings-item item)))))
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ud)))))))
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(unless (current-eventspace-has-standard-menus?)
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(make-object separator-menu-item% menu)))
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(super-new)))
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(define (add-keybindings-item/update-prefs item)
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(when (add-keybindings-item item)
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(preferences:set 'drracket:user-defined-keybindings
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(cons item
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(preferences:get 'drracket:user-defined-keybindings)))))
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(define (planet-string-spec? p)
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(let ([sexp
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(with-handlers ([exn:fail:read? (λ (x) #f)])
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(read (open-input-string p)))])
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(and sexp
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(planet-spec? sexp)
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sexp)))
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(define (planet-spec? p)
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(match p
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[`(planet ,(? string?) (,(? string?) ,(? string?) ,(? number?))) #t]
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[`(planet ,(? string?) (,(? string?) ,(? string?) ,(? number?) ,(? number?))) #t]
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[else #f]))
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;; add-keybindings-item : keybindings-item[path or planet spec] -> boolean
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;; boolean indicates if the addition happened sucessfully
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(define (add-keybindings-item item)
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(with-handlers ([exn:fail?
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(λ (x)
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(message-box (string-constant drscheme)
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(format (string-constant keybindings-error-installing-file)
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(if (path? item)
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(path->string item)
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(format "~s" item))
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(exn-message x))
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#:dialog-mixin frame:focus-table-mixin)
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#f)])
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(keymap:add-user-keybindings-file item)
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#t))
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(define (remove-keybindings-item item)
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(keymap:remove-user-keybindings-file item)
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(preferences:set
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'drracket:user-defined-keybindings
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(remove item
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(preferences:get 'drracket:user-defined-keybindings))))
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;; install-plt-file : (union #f dialog% frame%) -> void
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;; asks the user for a .plt file, either from the web or from
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;; a file on the disk and installs it.
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(define (install-plt-file parent)
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(define pref (preferences:get 'drracket:install-plt-dialog))
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(define dialog
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(new dialog% [parent parent]
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[label (string-constant install-plt-file-dialog-title)]
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[alignment '(left center)]))
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(define tab-panel
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(new tab-panel% [parent dialog]
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[callback (λ (x y) (update-panels))]
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[choices (list (string-constant install-plt-web-tab)
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(string-constant install-plt-file-tab))]))
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(define outer-swapping-panel
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(new horizontal-panel% [parent tab-panel]
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[stretchable-height #f]))
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(define spacing-panel
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(new horizontal-panel% [parent outer-swapping-panel]
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[stretchable-width #f]
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[min-width 20]))
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(define swapping-panel
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(new panel:single% [parent outer-swapping-panel]
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[alignment '(left center)]
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[stretchable-width #t] [stretchable-height #f]))
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(define file-panel
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(new horizontal-panel% [parent swapping-panel]
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[stretchable-width #t] [stretchable-height #f]))
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(define url-panel
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(new horizontal-panel% [parent swapping-panel]
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[stretchable-height #f]))
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(define button-panel
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(new horizontal-panel% [parent dialog]
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[stretchable-height #f] [alignment '(right center)]))
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(define file-text-field
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(new text-field% [parent file-panel]
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[callback void] [min-width 300] [stretchable-width #t]
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[init-value (caddr pref)]
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[label (string-constant install-plt-filename)]))
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(define file-button
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(new button% [parent file-panel]
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[callback (λ (x y) (browse))]
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[label (string-constant browse...)]))
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(define url-text-field
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(new text-field% [parent url-panel]
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[min-width 300] [stretchable-width #t] [callback void]
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[init-value (cadr pref)]
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[label (string-constant install-plt-url)]))
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(define-values (ok-button cancel-button)
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(gui-utils:ok/cancel-buttons
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button-panel
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(λ (x y) (set! cancel? #f) (send dialog show #f))
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(λ (x y) (send dialog show #f))))
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;; browse : -> void
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;; gets the name of a file from the user and updates file-text-field
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(define (browse)
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(let ([filename (finder:get-file #f "" #f "" dialog)])
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(when filename
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(send file-text-field set-value (path->string filename)))))
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;; from-web? : -> boolean
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;; returns #t if the user has selected a web address
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(define (from-web?)
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(zero? (send tab-panel get-selection)))
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(define cancel? #t)
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(define (update-panels)
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(define w? (from-web?))
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(define t (if w? url-text-field file-text-field))
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(send swapping-panel active-child (if w? url-panel file-panel))
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(send t focus)
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(send (send t get-editor) set-position
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0 (string-length (send t get-value))))
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;; initialize
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(send tab-panel set-selection (if (car pref) 0 1))
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(update-panels)
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(send dialog show #t)
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(preferences:set 'drracket:install-plt-dialog
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(list (from-web?)
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(send url-text-field get-value)
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(send file-text-field get-value)))
|
|
(cond
|
|
[cancel? (void)]
|
|
[(from-web?)
|
|
(install-plt-from-url
|
|
(let* ([url (send url-text-field get-value)]
|
|
;; trim whitespaces
|
|
[url (regexp-replace #rx"^ +" url "")]
|
|
[url (regexp-replace #rx" +$" url "")])
|
|
(if (regexp-match? #rx"^(?:[^/:]*://|$)" url)
|
|
url
|
|
(string-append "http://" url)))
|
|
parent)]
|
|
[else (parameterize ([error-display-handler
|
|
drracket:init:original-error-display-handler])
|
|
(run-installer
|
|
(string->path (send file-text-field get-value))))]))
|
|
|
|
;; install-plt-from-url : string (union #f dialog%) -> void
|
|
;; downloads and installs a .plt file from the given url
|
|
(define (install-plt-from-url s-url parent)
|
|
(with-handlers ([(λ (x) #f)
|
|
(λ (exn)
|
|
(message-box (string-constant drscheme)
|
|
(if (exn? exn)
|
|
(format "~a" (exn-message exn))
|
|
(format "~s" exn))
|
|
#:dialog-mixin frame:focus-table-mixin))])
|
|
(define-values (port size)
|
|
(let-values ([(port header)
|
|
(get-pure-port/headers (string->url s-url)
|
|
#:redirections 5)])
|
|
(define size
|
|
(let* ([content-header (extract-field "content-length" header)]
|
|
[m (and content-header
|
|
(regexp-match "[0-9]+" content-header))])
|
|
(and m (string->number (car m)))))
|
|
(values port size)))
|
|
(let* ([tmp-filename (make-temporary-file "tmp~a.plt")]
|
|
[header (purify-port port)]
|
|
[d (make-object dialog% (string-constant downloading) parent)]
|
|
[message (make-object message% (string-constant downloading-file...) d)]
|
|
[gauge (if size
|
|
(make-object gauge% #f 100 d)
|
|
#f)]
|
|
[exn #f]
|
|
; Semaphores to avoid race conditions:
|
|
[wait-to-start (make-semaphore 0)]
|
|
[wait-to-break (make-semaphore 0)]
|
|
; Thread to perform the download:
|
|
[t (thread
|
|
(λ ()
|
|
(semaphore-wait wait-to-start)
|
|
(with-handlers ([exn:fail?
|
|
(λ (x)
|
|
(set! exn x))]
|
|
[exn:break? ; throw away break exceptions
|
|
void])
|
|
(semaphore-post wait-to-break)
|
|
(with-output-to-file tmp-filename
|
|
(λ ()
|
|
(let loop ([total 0])
|
|
(when gauge
|
|
(send gauge set-value
|
|
(inexact->exact
|
|
(floor (* 100 (/ total size))))))
|
|
(let ([s (read-string 1024 port)])
|
|
(unless (eof-object? s)
|
|
(unless (eof-object? s)
|
|
(display s)
|
|
(loop (+ total (string-length s))))))))
|
|
#:mode 'binary #:exists 'truncate))
|
|
(send d show #f)))])
|
|
(send d center)
|
|
(make-object button% (string-constant &stop)
|
|
d
|
|
(λ (b e)
|
|
(semaphore-wait wait-to-break)
|
|
(set! tmp-filename #f)
|
|
(send d show #f)
|
|
(break-thread t)))
|
|
; Let thread run only after the dialog is shown
|
|
(queue-callback (λ () (semaphore-post wait-to-start)))
|
|
(send d show #t)
|
|
(when exn (raise exn))
|
|
(parameterize ([error-display-handler drracket:init:original-error-display-handler])
|
|
(run-installer tmp-filename
|
|
(λ ()
|
|
(delete-file tmp-filename)))))))
|
|
|
|
(define keybindings-frame%
|
|
(class frame%
|
|
(init-field bindings)
|
|
|
|
(define/override (on-size w h)
|
|
(preferences:set 'drracket:keybindings-window-size (cons w h))
|
|
(super on-size w h))
|
|
|
|
(super-new)
|
|
|
|
(define/public (set-bindings _bindings)
|
|
(set! bindings _bindings)
|
|
(update-bindings))
|
|
|
|
(define bp (make-object horizontal-panel% this))
|
|
(define search-field (new text-field%
|
|
[parent this]
|
|
[label (string-constant mfs-search-string)]
|
|
[callback (λ (a b) (update-bindings))]))
|
|
(define b-name (new button%
|
|
[label (string-constant keybindings-sort-by-name)]
|
|
[parent bp]
|
|
[callback
|
|
(λ x
|
|
(set! by-key? #f)
|
|
(update-bindings))]))
|
|
(define b-key (new button%
|
|
[label (string-constant keybindings-sort-by-key)]
|
|
[parent bp]
|
|
[callback (λ x
|
|
(set! by-key? #t)
|
|
(update-bindings))]))
|
|
(define lb (new list-box% [parent this] [label #f] [choices '()]))
|
|
(define by-key? #f)
|
|
(define bp2 (make-object horizontal-panel% this))
|
|
(define cancel (make-object button% (string-constant close)
|
|
bp2 (λ x (send this show #f))))
|
|
|
|
(define/private (update-bindings)
|
|
(let ([format-binding/name
|
|
(λ (b) (format "~a (~a)" (cadr b) (car b)))]
|
|
[format-binding/key
|
|
(λ (b) (format "~a (~a)" (car b) (cadr b)))]
|
|
[predicate/key
|
|
(λ (a b) (string-ci<=? (format "~a" (car a))
|
|
(format "~a" (car b))))]
|
|
[predicate/name
|
|
(λ (a b) (string-ci<=? (cadr a) (cadr b)))])
|
|
(send lb set
|
|
(if by-key?
|
|
(map format-binding/key (sort (filter-search bindings) predicate/key))
|
|
(map format-binding/name (sort (filter-search bindings) predicate/name))))))
|
|
|
|
(define/private (filter-search bindings)
|
|
(let ([str (send search-field get-value)])
|
|
(if (equal? str "")
|
|
bindings
|
|
(let ([reg (regexp (regexp-quote str #f))])
|
|
(filter (λ (x) (or (regexp-match reg (cadr x))
|
|
(regexp-match reg (format "~a" (car x)))))
|
|
bindings)))))
|
|
(send search-field focus)
|
|
(send bp stretchable-height #f)
|
|
(send bp set-alignment 'center 'center)
|
|
(send bp2 stretchable-height #f)
|
|
(send bp2 set-alignment 'right 'center)
|
|
(update-bindings)))
|
|
|
|
(define the-keybindings-frame #f)
|
|
|
|
(define (show-keybindings-to-user bindings frame)
|
|
(unless the-keybindings-frame
|
|
(set! the-keybindings-frame
|
|
(new keybindings-frame%
|
|
[label (string-constant keybindings-frame-title)]
|
|
[width (car (preferences:get 'drracket:keybindings-window-size))]
|
|
[height (cdr (preferences:get 'drracket:keybindings-window-size))]
|
|
[bindings bindings])))
|
|
(send the-keybindings-frame show #t))
|
|
|
|
(define -mixin
|
|
(mixin (frame:editor<%> frame:text-info<%> drracket:frame:basics<%>) (drracket:frame:<%>)
|
|
(inherit get-editor get-menu% get-menu-bar)
|
|
(define show-menu #f)
|
|
(define/public get-show-menu (λ () show-menu))
|
|
(define/public update-shown (λ () (void)))
|
|
(define/public (add-show-menu-items show-menu) (void))
|
|
(super-new)
|
|
(set! show-menu (make-object (get-menu%) (string-constant view-menu-label)
|
|
(get-menu-bar)))
|
|
(add-show-menu-items show-menu)))
|
|
|
|
|
|
(define (create-root-menubar)
|
|
(let* ([mb (new menu-bar% (parent 'root))]
|
|
[file-menu (new menu%
|
|
(label (string-constant file-menu))
|
|
(parent mb))]
|
|
[help-menu (new menu%
|
|
(label (string-constant help-menu))
|
|
(parent mb))])
|
|
(new menu-item%
|
|
(label (string-constant new-menu-item))
|
|
(parent file-menu)
|
|
(shortcut #\n)
|
|
(callback
|
|
(λ (x y)
|
|
(handler:edit-file #f)
|
|
#t)))
|
|
(new menu-item%
|
|
(label (string-constant open-menu-item))
|
|
(parent file-menu)
|
|
(shortcut #\o)
|
|
(callback
|
|
(λ (x y)
|
|
(handler:open-file)
|
|
#t)))
|
|
(new menu%
|
|
(label (string-constant open-recent-menu-item))
|
|
(parent file-menu)
|
|
(demand-callback
|
|
(λ (menu)
|
|
(handler:install-recent-items menu))))
|
|
(instantiate menu-item% ()
|
|
(label (string-constant mfs-multi-file-search-menu-item))
|
|
(parent file-menu)
|
|
(callback
|
|
(λ (_1 _2)
|
|
(drracket:multi-file-search:multi-file-search))))
|
|
(unless (current-eventspace-has-standard-menus?)
|
|
(new separator-menu-item% (parent file-menu))
|
|
(new menu-item%
|
|
(label (string-constant quit-menu-item-others))
|
|
(parent file-menu)
|
|
(shortcut #\q)
|
|
(callback
|
|
(λ (x y)
|
|
(when (exit:user-oks-exit)
|
|
(exit:exit))
|
|
#t))))
|
|
(make-help-desk-menu-item help-menu)))
|
|
|
|
(define (make-help-desk-menu-item help-menu)
|
|
(define (docs-menu-item label)
|
|
(new menu-item%
|
|
[label label]
|
|
[parent help-menu]
|
|
[callback (λ (item evt) (help:help-desk) #t)]))
|
|
(docs-menu-item (string-constant racket-documentation))
|
|
(new separator-menu-item% [parent help-menu])
|
|
(docs-menu-item (string-constant help-desk)))
|