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;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Package: CLIM-INTERNALS; Base: 10; Lowercase: Yes -*-
"Copyright (c) 1990, 1991, 1992 Symbolics, Inc. All rights reserved.
Portions copyright (c) 1991, 1992 Franz, Inc. All rights reserved.
Portions copyright (c) 1989, 1990 International Lisp Associates."
((name :initarg :name :accessor frame-name)
(pretty-name :initarg :pretty-name :accessor frame-pretty-name)
(command-table :initarg :command-table
:initform (find-command-table 'user-command-table)
:accessor frame-command-table)
(disabled-commands :initarg :disabled-commands :initform nil)
;; One of T, NIL, or a command-table; used by the menu-bar
(menu-bar :initarg :menu-bar :initform nil)
(histories :initform nil)
(calling-frame :reader frame-calling-frame :initarg :calling-frame)
;; PANES is the description of all of the named panes,
;; ALL-PANES is an alist that stores all of the named panes that
;; have actually been realized so far
(panes :initarg :panes :accessor frame-panes)
(all-panes :initform nil)
(current-panes :initform nil :accessor frame-current-panes)
(initialized-panes :initform nil)
(pane-constructors :initarg :pane-constructors)
(top-level-sheet :accessor frame-top-level-sheet
:initarg :top-level-sheet :initform nil)
(state :initform :disowned :accessor frame-state
:type (member :disowned :disabled :enabled :shrunk))
(top-level :initarg :top-level :accessor frame-top-level)
(current-layout :initarg :default-layout :initform nil
:reader frame-current-layout)
(geometry :initform nil :initarg :geometry :reader frame-geometry)
(user-specified-position-p :initform :unspecified
:initarg :user-specified-position-p
:reader frame-user-specified-position-p)
(user-specified-size-p :initform :unspecified
:initarg :user-specified-size-p
:reader frame-user-specified-size-p)
(shell :accessor frame-shell)
(pointer-documentation-p :initarg :pointer-documentation
:reader frame-pointer-documentation-p)
(properties :initform nil :initarg :properties
:accessor frame-properties)
(resizable :initarg :resize-frame
:reader frame-resizable)
(input-buffer :initform nil :initarg :input-buffer :reader frame-input-buffer))
(defmethod port ((frame standard-application-frame))
(port (frame-manager frame)))
(defmethod graft ((frame standard-application-frame))
(graft (frame-manager frame)))
;;--- These should really be somewhere else
(defmethod frame-manager ((stream standard-encapsulating-stream))
(cond (*application-frame* (or (frame-manager *application-frame*)
(find-frame-manager)))
(destructuring-bind (&key left top width height) geometry
(declare (ignore left top width height)))
(etypecase parent
(null (unless parent-p (find-frame-manager)))
(list (apply #'find-frame-manager parent))
(frame-manager parent)
(application-frame (frame-manager parent))
(port (find-frame-manager :port parent))
(graft (find-frame-manager :port (port parent)))
(sheet (frame-manager (pane-frame parent))))))
(defmethod find-named-color (name (frame standard-application-frame) &key (errorp t))
(find-named-color name (frame-palette frame) :errorp errorp))
(defmethod frame-palette ((frame standard-application-frame))
(let ((framem (frame-manager frame)))
(if framem
(frame-manager-palette framem)
(and (port frame)
(port-default-palette (port frame))))))
;; Default method does nothing
(defmethod generate-panes ((framem standard-frame-manager)
(frame standard-application-frame))
(defun define-application-frame-1 (name state-variables pane-descriptions
command-table disabled-commands)
(let* ((command-table-name (first command-table)))
;; If we're going to be defining commands for this application frame,
;; make sure there's an command table lying around so that all other
;; code doesn't have to be defensive against its absence.
(when command-table
(apply #'define-command-table-1 command-table))))
) ;eval-when
#+Genera (declare (zwei:indentation 1 25 2 3 3 1))
(with-warnings-for-definition name define-application-frame
command-definer command-table disabled-commands
icon geometry default-initargs)
(macrolet ((extract (name keyword default &optional (pair t))
`(let ((entry (assoc ',keyword options)))
(cond ((null entry)
(setq ,name ,default))
(t
,@(if pair
`((assert (= (length entry) 2) (entry)
"The length of the option ~S must be 2" entry)
(setq ,name (second entry)
options (delete entry options)))
`((assert (listp (rest entry)) (entry)
"The remainder of ~S must be a list" entry)
(setq ,name (rest entry)
(extract pane :pane nil)
(extract panes :panes nil nil)
(extract top-level :top-level '(default-frame-top-level))
(extract menu-bar :menu-bar t)
(extract command-definer :command-definer t)
(extract command-table :command-table t)
(extract disabled-commands :disabled-commands nil)
(extract default-initargs :default-initargs nil nil)
(extract icon :icon nil nil)
(extract geometry :geometry nil nil))
(check-type name symbol)
(check-type superclasses list)
(check-type slots list)
(check-type pane list)
(check-type panes list)
(check-type top-level list)
(check-type disabled-commands list)
(when (and pane panes)
(error "The ~S and ~S options cannot be used together" :pane :panes))
(when (and layouts
(null pane)
(null panes))
(error "You must use either ~S or ~S with ~S" :pane :panes :layouts))
(when (null superclasses)
(setq superclasses '(standard-application-frame)))
(when (eq command-definer 't)
(setq command-definer (fintern "~A-~A-~A" 'define name 'command)))
(check-type command-definer symbol)
(cond ((null command-table))
((symbolp command-table)
(setq command-table (list command-table)))
(t (warn-if-command-table-invalid name command-table)))
(when (eq (first command-table) 't)
(setq command-table (list* name (rest command-table))))
#-Silica (warn-if-pane-descriptions-invalid name pane-descriptions)
(compute-pane-constructor-code `((,name ,pane))))))
(layout-value
`(list ,@(mapcar
#'(lambda (layout)
(destructuring-bind (name panes &rest sizes) layout
(if sizes
`(list ',name ',panes
,@(mapcar #'(lambda (pane-and-size)
`(list ',(car pane-and-size)
,@(cdr pane-and-size)))
sizes))
`',layout)))
layouts))))
`(progn
(eval-when (compile)
(when ',command-table
(setf (compile-time-property ',(first command-table) 'command-table-name) t))
(define-application-frame-1 ',name ',slots ,pane-constructors
:top-level ',top-level
:command-table ',command-table))
(define-group ,name define-application-frame
(defclass ,name ,superclasses ,slots
,@options
(:default-initargs
,@(and command-table `(:command-table ',(car command-table)))
,@(and top-level `(:top-level ',top-level))
,@(and icon `(:icon (list ,@icon)))
,@(and geometry `(:geometry (list ,@geometry)))
,@default-initargs))
,@(when command-definer
`((defmacro ,command-definer (command-name arguments &body body)
#+Genera (declare (zwei:indentation 1 3 2 1))
`(define-frame-command ,',(first command-table)
,command-name ,arguments ,@body))
#+Genera (scl:defprop ,command-definer
define-command
zwei:definition-function-spec-type)
#+Genera (scl:defprop ,command-definer
remove-command
zwei:kill-definition)
#+Genera (scl:defprop ,command-definer
zwei:defselect-function-spec-finder
zwei:definition-function-spec-finder)))
;;--- Need to handle DISABLED-COMMANDS properly,
;;--- which entails doing a COPY-LIST
(define-application-frame-1 ',name ',slots ,pane-constructors
:top-level ',top-level
:command-table ',command-table
:disabled-commands ',disabled-commands)
#+Cloe-Runtime
(cloe:define-program ,name ()
:main ,name
:debugger-hook cloe-debugger-hook)
#+Genera
(scl:defprop define-application-frame "CLIM Application Frame" si:definition-type-name)
;; For now each application frame has its own command table named after the application
(defmacro define-frame-command (command-table-name name-and-options arguments &body body)
(multiple-value-bind (command-name command-options)
(decode-name-and-options name-and-options command-table-name)
`(define-command (,command-name :command-table ,command-table-name ,@command-options)
,arguments
,@body)))
#+Genera
(scl::defprop define-frame-command define-command zwei:definition-function-spec-type)
#+Genera
(scl:defun (:property define-frame-command zwei:definition-function-spec-finder) (bp)
(zwei:defselect-function-spec-finder (zwei:forward-sexp bp 1 t)))
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(defun warn-if-command-table-invalid (frame-name command-table)
(cond ((not (and (listp command-table)
(symbolp (first command-table))
(oddp (length command-table))))
(warn "The ~S option for frame ~S, ~S, is invalid.~@
It is supposed to be a list of a command table name followed by ~
keyword/value pairs."
:command-table frame-name command-table))
(t
(do* ((options (cdr command-table) (cddr options))
(keyword (first options) (first options))
(value (second options) (second options)))
((null options))
(case keyword
(:inherit-from
(if (listp value)
(dolist (item value)
(unless (typep item '(or symbol command-table))
(warn "The ~S keyword in the ~S option for frame ~S~@
is followed by a list containing ~S, which is not a ~
command table nor a command table name."
:inherit-from :command-table frame-name item)))
(warn "The ~S keyword in the ~S option for frame ~S~@
is followed by ~S, which is not a list of command tables ~
or command table names."
:inherit-from :command-table frame-name value)))
(:menu
(if (listp value)
(dolist (clause value)
(unless (and (listp clause)
(>= (length clause) 3)
(oddp (length clause))
(stringp (first clause))
(member (second clause)
'(:command :function :menu :divider)))
(warn "The ~S keyword in the ~S option for frame ~S~@
is followed by a list of menu clauses containing~@
an invalid clause ~S."
:menu :command-table frame-name clause)))
(warn "The ~S keyword in the ~S option for frame ~S~@
is followed by ~S, which is not a list of menu clauses."
:menu :command-table frame-name value)))
(otherwise
(warn "The keyword ~S in the ~S option for frame ~S is invalid.~@
The valid keywords are ~S and ~S."
keyword :command-table frame-name :inherit-from :menu)))))))
(let ((frame '#:frame)
(framem '#:framem))
`((defmethod generate-panes ((,framem standard-frame-manager) (,frame ,name))
(let ((*application-frame* ,frame))
(setf (frame-panes ,frame)
(frame-wrapper ,framem ,frame
(with-look-and-feel-realization (,framem ,frame)
,code)))))))))
(let ((frame '#:frame)
(framem '#:framem))
`((defmethod generate-panes ((,framem standard-frame-manager) (,frame ,name))
(destructuring-bind (name code &rest ignore) pane-spec
(declare (ignore code ignore))
`(,name (find-or-make-pane-named ,frame ',name))))
panes)
(let ((*application-frame* ,frame))
(setf (frame-panes ,frame)
(frame-wrapper ,framem ,frame
(with-look-and-feel-realization (,framem ,frame)
(ecase (frame-current-layout ,frame)
,@(mapcar
#'(lambda (layout-spec)
(destructuring-bind (name panes &rest ignore) layout-spec
(declare (ignore ignore))
`(,name ,panes)))
layouts)))))))))))
(destructuring-bind (name code &rest options) pane-spec
(setq code (canonicalize-pane-spec name code options))
`(list ',name
#'(lambda (frame framem)
(with-look-and-feel-realization (framem frame)
,code)))))
panes)))
(unless (getf rest :name)
(setf (getf rest :name) `',name))
(apply #'find-pane-class-constructor code rest))
(t
(error "Invalid pane specification: ~S"
(list* name code rest)))))
(defmacro define-pane-type (type lambda-list &body body)
`(defmethod find-pane-class-constructor ((type (eql ',type)) ,@lambda-list)
,@body))
:text-style (parse-text-style '(:sans-serif :bold :large))
:scroll-bars nil
(define-pane-type :command-menu (&rest options)
(declare (non-dynamic-extent options))
,@options
:display-function `(display-command-menu :command-table ,(frame-command-table frame))
:incremental-redisplay t
:display-after-commands t
:text-style *command-table-menu-text-style*
(define-pane-type :interactor (&rest options &key (scroll-bars :vertical))
`(make-clim-interactor-pane
,@options
:scroll-bars ,scroll-bars))
`(make-clim-application-pane
,@options
:scroll-bars ,scroll-bars))
(define-pane-type :accept-values (&rest options &key (scroll-bars :vertical))
(declare (non-dynamic-extent options))
`(make-clim-stream-pane
:type 'pointer-documentation-pane
,@options
:display-after-commands nil
:text-style (parse-text-style '(:sans-serif :bold :normal))
:scroll-bars nil
(define-pane-type check-box (&rest options)
(declare (non-dynamic-extent options))
`(make-pane 'check-box ,@options))
(define-pane-type list-pane (&rest options)
(declare (non-dynamic-extent options))
`(make-pane 'list-pane ,@options))
(define-pane-type option-pane (&rest options)
(declare (non-dynamic-extent options))
`(make-pane 'option-pane ,@options))
(defmethod find-or-make-pane-named ((frame standard-application-frame) name)
(with-slots (all-panes pane-constructors) frame
(second (or (assoc name all-panes)
(let ((new-pane
(list name
(funcall (second (assoc name pane-constructors))
frame (frame-manager frame)))))
;; Maintain ALL-PANES in the order the panes are created
(setq all-panes (nconc all-panes (list new-pane)))
(defmethod layout-frame ((frame standard-application-frame) &optional width height)
(multiple-value-bind (graft-width graft-height)
(bounding-rectangle-size (graft frame))
(cond ((and width height)
(minf width graft-width)
(minf height graft-height))
(t
(let ((sr (compose-space panes)))
(setq width (or width (space-requirement-width sr))
height (or height (space-requirement-height sr)))
;;--- This fudge factor stuff looks dubious --SWM
(let ((fudge-factor #+Allegro 0.9 #-Allegro 1))
(minf-or width (* graft-width fudge-factor))
(minf-or height (* graft-height fudge-factor)))))))
;;--- Don't bother with this if the size didn't change?
(let ((top-sheet (or (frame-top-level-sheet frame) panes)))
(if (and (sheet-enabled-p top-sheet)
top-sheet (bounding-rectangle-size top-sheet))
(resize-sheet top-sheet width height))))))
(defmethod (setf frame-current-layout) (layout (frame standard-application-frame))
(unless (or (eq (frame-current-layout frame) layout)
(null (frame-top-level-sheet frame)))
;; First disown all the children
(dolist (name-and-pane (slot-value frame 'all-panes))
(let ((sheet (second name-and-pane)))
(when (sheet-parent sheet)
(sheet-disown-child (sheet-parent sheet) sheet))))
(dolist (child (sheet-children (frame-top-level-sheet frame)))
(sheet-disown-child (frame-top-level-sheet frame) child))
;; Now we want to give it some new ones
(generate-panes (frame-manager frame) frame)
(sheet-adopt-child (frame-top-level-sheet frame) (frame-panes frame))
(multiple-value-call #'layout-frame
frame (bounding-rectangle-size (frame-top-level-sheet frame)))
(flet ((adjust-layout (sheet)
(change-space-requirements-to-default sheet)
(let ((x (and (panep sheet)
(assoc (pane-name sheet) layout-space-requirements))))
(when x (apply #'change-space-requirements sheet (cdr x))))))
(declare (dynamic-extent #'adjust-layout))
(map-over-sheets #'adjust-layout (frame-top-level-sheet frame)))))
(defmethod frame-all-layouts ((frame standard-application-frame))
(mapcar #'first (frame-layouts frame)))
(defun make-application-frame (frame-name &rest options
&key frame-class
enable pretty-name
&allow-other-keys)
(declare (dynamic-extent options))
(check-type pretty-name (or null string))
(when (null frame-class)
(setq frame-class frame-name))
(error "Cannot specify ~S and ~S, S, ~S, ~S, ~S, or ~S at the same time"
:geometry :left :top :right :bottom :width :height))
(macrolet ((check-conflict (edge1 edge2 size)
`(cond
((and ,edge1 ,size)
(if ,edge2
(error "Cannot specify ~S, ~S, and ~S together" ,edge1 ,size ,edge2)
(setq ,edge2 (+ ,edge1 ,size))))
((and ,edge2 ,size)
(if ,edge1
(error "Cannot specify ~S, ~S, and ~S together" ,edge2 ,size ,edge1)
(setq ,edge1 (+ ,edge2 ,size))))
((and ,edge2 ,edge1)
(if ,size
(error "Cannot specify ~S, ~S, and ~S together" ,edge2 ,edge1 ,size)
(setq ,size (- ,edge2 ,edge1)))))))
(when (and (eq user-specified-position-p :unspecified)
(or (and (getf geometry :left)
(getf geometry :top))
(and left top)))
(setf user-specified-position-p t))
(when (and (eq user-specified-size-p :unspecified)
(or (and (getf geometry :width)
(getf geometry :height))
(and width height)))
(setf user-specified-size-p t)))
(let ((frame (apply #'make-instance
frame-class
:name frame-name
;;--- Perhaps this should be a default-initarg?
:pretty-name (or pretty-name
(title-capitalize (string frame-name)))
:properties `(:save-under ,save-under)
:user-specified-size-p user-specified-size-p
:user-specified-position-p user-specified-position-p
options)))
(when enable
(enable-frame frame))
frame)))
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;; Create an application frame of the specified type if one does not already
;; exist, and then run it, possibly in its own process. If one already exists,
;; just select it.
(defun find-application-frame (frame-name &rest options
&key (create t) (activate t)
(own-process *multiprocessing-p*)
frame-class)
(declare (dynamic-extent options))
(when (null frame-class)
(setq frame-class frame-name))
(let ((frame
(block find-frame
(map-over-frames #'(lambda (frame)
(when (typep frame frame-class)
(return-from find-frame frame)))))))
(when (or (eq create :force)
(and (null frame)
(eq create t)))
(with-keywords-removed (options options '(:create :activate :own-process))
(setq frame (apply #'make-application-frame frame-name options))))
(when (and frame activate)
(cond ((slot-value frame 'top-level-process)
(raise-frame frame))
(own-process
(make-process #'(lambda () (run-frame-top-level frame))
:name (frame-pretty-name frame)))
(t
(run-frame-top-level frame))))
frame))
(bounding-rectangle-size
(frame-top-level-sheet frame))))
(layout-frame frame width height)
(when (and left top)
(move-sheet (frame-top-level-sheet frame) left top))
(note-frame-enabled (frame-manager frame) frame))))
(:shrunk
(note-frame-deiconified (frame-manager frame) frame)))))
(defmethod iconify-frame ((frame standard-application-frame))
(note-frame-iconified (frame-manager frame) frame))
(defmethod destroy-frame ((frame standard-application-frame))
(when (eq (frame-state frame) :enabled)
(disable-frame frame))
(disown-frame (frame-manager frame) frame))
((:enabled :shrunk)
(setf (frame-state frame) :disabled)
(note-frame-disabled (frame-manager frame) frame))))
(defmethod reset-frame ((frame standard-application-frame) &rest ignore)
(declare (ignore ignore))
nil)
(defmethod raise-frame ((frame standard-application-frame))
(raise-sheet (frame-top-level-sheet frame)))
(defmethod bury-frame ((frame standard-application-frame))
(bury-sheet (frame-top-level-sheet frame)))
(defmethod note-frame-enabled
((framem standard-frame-manager) (frame standard-application-frame))
)
(defmethod note-frame-disabled
((framem standard-frame-manager) (frame standard-application-frame))
)
(defmethod note-frame-iconified
((framem standard-frame-manager) (frame standard-application-frame))
(defmethod note-frame-deiconified
((framem standard-frame-manager) (frame standard-application-frame))
(defmethod port-note-frame-adopted ((port basic-port) (frame standard-application-frame))
nil)
(defmethod (setf frame-pretty-name) :before (name (frame standard-application-frame))
(check-type name string))
(defmethod (setf frame-pretty-name) :after (name (frame standard-application-frame))
(declare (ignore name))
(let ((framem (frame-manager frame)))
(when framem (frame-manager-note-pretty-name-changed framem frame))))
(defmethod frame-manager-note-pretty-name-changed ((framem standard-frame-manager)
(frame standard-application-frame))
nil)
(define-condition frame-exit (condition)
((frame :initarg :frame :reader frame-exit-frame))
(:report (lambda (condition stream)
(format stream "Exit from frame ~A" (frame-exit-frame condition)))))
;;--- It would be nice to have the CLIM 0.9 START-FRAME and STOP-FRAME functions
(defmethod run-frame-top-level :around ((frame standard-application-frame) &key)
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(with-simple-restart (nil "Exit ~A" (frame-pretty-name frame))
(handler-bind ((frame-exit
#'(lambda (condition)
(let ((exit-frame (frame-exit-frame condition)))
(when (eq frame exit-frame)
(return-from run-frame-top-level nil))))))
(unwind-protect
(let (;; Reset the state of the input editor and the presentation
;; type system, etc., in case there is an entry into another
;; application from inside the input editor, such as a Debugger
;; written using CLIM.
;;--- This should be done in a more modular way
;;--- If you change this, change MENU-CHOOSE-FROM-DRAWER
(*original-stream* nil)
(*input-wait-test* nil)
(*input-wait-handler* nil)
(*pointer-button-press-handler* nil)
(*numeric-argument* nil)
(*delimiter-gestures* nil)
(*activation-gestures* nil)
(*accelerator-gestures* nil)
(*accelerator-numeric-argument* nil)
(*input-context* nil)
(*accept-help* nil)
(*assume-all-commands-enabled* nil)
(*sizing-application-frame* nil)
(*frame-layout-changing-p* *frame-layout-changing-p*)
(*command-parser* 'command-line-command-parser)
(*command-unparser* 'command-line-command-unparser)
(*partial-command-parser*
'command-line-read-remaining-arguments-for-partial-command)
(*application-frame* frame))
(with-frame-manager ((frame-manager frame))
(loop
(with-simple-restart (nil "~A top level" (frame-pretty-name frame))
(loop
(catch 'layout-changed
(let ((*application-frame* frame))
;; We must return the values from CALL-NEXT-METHOD,
;; or else ACCEPTING-VALUES will return NIL
#-CCL-2
(return-from run-frame-top-level (call-next-method))
;; The (RETURN-FROM FOO (CALL-NEXT-METHOD)) form above
;; doesn't work in Coral. If the "top level" restart
;; above is taken, the CALL-NEXT-METHOD form blows out
;; the second time through this code, claiming that it
;; can't find the next method. Hoisting the
;; CALL-NEXT-METHOD out of the RETURN-FROM form seems
;; to fix it... So it conses, big deal.
#+CCL-2
(let ((results (multiple-value-list (call-next-method))))
(return-from run-frame-top-level (values-list results))))))))))
;; We disable the frame here, but it is the responsibility of the
;; top-level function to enable the frame. For example, if we
;; called ENABLE-FRAME here, ACCEPTING-VALUES would disable the
;; wrong frame. Sigh.
(queue-flush (frame-command-queue frame))
(queue-flush (sheet-event-queue (frame-top-level-sheet frame)))
(disable-frame frame)))))
(defmethod run-frame-top-level ((frame standard-application-frame) &rest args)
(declare (dynamic-extent args))
(with-slots (top-level-process) frame
(when top-level-process
(cerror "Bludgeon ahead, assuming the risk"
"The process ~S is already running the top-level function for frame ~S"
top-level-process frame))
(unwind-protect
(let* ((top-level (frame-top-level frame))
(tl-function (if (listp top-level) (first top-level) top-level))
(tl-args (if (listp top-level) (rest top-level) nil)))
;; Cons as little as possible
(cond ((and (null args) (null tl-args))
(funcall tl-function frame))
((null tl-args)
(apply tl-function frame args))
((null args)
(apply tl-function frame tl-args))
(t
(apply tl-function frame (append args tl-args)))))
(defmethod default-frame-top-level ((frame standard-application-frame)
&key command-parser command-unparser
partial-command-parser
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(or (frame-standard-output frame) *standard-output*))
(*standard-input*
(or (frame-standard-input frame) *standard-output*))
(*query-io*
(or (frame-query-io frame) *standard-input*))
(*error-output*
(or (frame-error-output frame) *standard-output*))
(*pointer-documentation-output*
(frame-pointer-documentation-output frame))
(interactor
(not (null (find-frame-pane-of-type frame 'interactor-pane))))
(*command-parser*
(or command-parser
(if interactor
#'command-line-command-parser
#'menu-command-parser)))
(*command-unparser*
(or command-unparser
#'command-line-command-unparser))
(*partial-command-parser*
(or partial-command-parser
(if interactor
#'command-line-read-remaining-arguments-for-partial-command
#'menu-read-remaining-arguments-for-partial-command)))
(command-stream
;;--- We have to ask the frame since we do not want to
;;--- just pick up a stream from the dynamic environment
(let ((si (or (frame-standard-input frame)
(frame-standard-output frame))))
;;--- I'm not really convinced that this is right --SWM
(typecase si
(output-protocol-mixin si)
(t (frame-top-level-sheet frame))))))
#+Allegro
(unless (typep *standard-input* 'excl::bidirectional-terminal-stream)
(assert (port *standard-input*)))
#+Allegro
(unless (typep *standard-output* 'excl::bidirectional-terminal-stream)
(assert (port *standard-output*)))
#+Allegro
(unless (typep *query-io* 'excl::bidirectional-terminal-stream)
(assert (port *query-io*)))
;; The read-eval-print loop for applications...
(loop
;; Redisplay all the panes
(catch-abort-gestures ("Return to ~A command level" (frame-pretty-name frame))
(redisplay-frame-panes frame)
(when interactor
(fresh-line *standard-input*)
(if (stringp prompt)
(write-string prompt *standard-input*)
(funcall prompt *standard-input* frame)))
(let ((command (read-frame-command frame :stream command-stream)))
(terpri *standard-input*))
;; Need this check in case the user aborted out of a command menu
(when command
(execute-frame-command frame command))))))))
;; Generic because someone might want :BEFORE or :AFTER
(defmethod frame-exit ((frame standard-application-frame))
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;;; Sizing and moving of frames
;; Sizes an application frame based on the size of the contents of the
;; output recording stream STREAM.
(defun size-frame-from-contents (stream
&key width height
(right-margin 10) (bottom-margin 10)
(size-setter #'window-set-inside-size))
(with-slots (output-record) stream
(with-bounding-rectangle* (left top right bottom) output-record
(let* ((graft (or (graft stream)
(find-graft))) ;--- is this right?
(gw (bounding-rectangle-width (sheet-region graft)))
(gh (bounding-rectangle-height (sheet-region graft)))
;;--- Does this need to account for the size of window decorations?
(width (min gw (+ (or width (- right left)) right-margin)))
(height (min gh (+ (or height (- bottom top)) bottom-margin))))
;; The size-setter will typically resize the entire frame
(funcall size-setter stream width height)
(window-set-viewport-position stream left top)))))
;; Moves the sheet to the specified position, taking care not to move
;; it outside of the graft. It's safest to use this on a top-level sheet.
(defun position-sheet-carefully (sheet x y)
(multiple-value-bind (width height) (bounding-rectangle-size sheet)
(multiple-value-bind (graft-width graft-height)
(bounding-rectangle-size (or (graft sheet) (find-graft)))
(let* ((left x)
(top y)
(right (+ left width))
(bottom (+ top height)))
(when (> right graft-width)
(setq left (- graft-width width)))
(when (> bottom graft-height)
(setq top (- graft-height height)))
(port-move-frame (port sheet) (pane-frame sheet) (max 0 left) (max 0 top))))))
(defmethod port-move-frame ((port basic-port) frame x y)
(move-sheet (frame-top-level-sheet frame) x y))
;; Moves the sheet to be near where the pointer is. It's safest to use this
;; on a top-level sheet.
(defun position-sheet-near-pointer (sheet &optional x y)
(unless (and x y)
(multiple-value-setq (x y)
(defun display-title (frame stream &key max-width max-height)
(declare (ignore max-width max-height))
(with-slots (display-string) stream
(let ((title display-string))
(when (and (stringp title)
(not (string-equal title (frame-pretty-name frame))))
;; On some hosts this will update the title bar
(setf (frame-pretty-name frame) title))
(multiple-value-bind (width height)
(window-inside-size stream)
(draw-text* stream (or title (frame-pretty-name frame))
(/ width 2) (/ height 2)
:align-x :center :align-y :center)))))
(defun title-capitalize (string)
(let ((new-string (substitute #\Space #\- string)))
(when (eq new-string string)
(setq new-string (copy-seq new-string)))
(nstring-capitalize new-string)))