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;; merlin/sawlet.jl -- a bad saw(fish app)let framework
;; version -0.4.3
;; Copyright (C) 2000-2001 merlin <merlin@merlin.org>
;; http://merlin.org/sawfish/
;; This is free software; you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with sawfish; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;;;;;;;;;;;;;;;;;;;;
;; HERE BE DRAGONS ;;
;;;;;;;;;;;;;;;;;;;;;
;; This software requires a patch to be applied to the Sawfish source to
;; add some additional XLib bindings.
;; Please see x.c.patch.
;;;;;;;;;;;;;;;;;;
;; INSTALLATION ;;
;;;;;;;;;;;;;;;;;;
;; Please see one of the actual sawlets
;; Go to Customize->Matched Windows->Sawlet->Edit...
;; - Here you can specify settings for all sawlets
;;;;;;;;;;;;;;;;;;
;; HERE BE BUGS ;;
;;;;;;;;;;;;;;;;;;
;; sawlet's can be per-workspace but not be per-viewport.
;; sawlet defcustom/defgroup :group has to be a list, not a symbol.
;; TODO: auto-remember sawlet position
;; TODO: allow sawlet configuration of wm-class
;;;;
(define-structure merlin.sawlet
(export
defsawlet
sawlet-start
sawlet-reconfigure
sawlet-stop
sawlet-active
sawlet-get
sawlet-put
sawlet-config
sawlet-frame
sawlet-from-frame
sawlet-symbol)
(open
rep
rep.system
sawfish.wm.colors
sawfish.wm.custom
sawfish.wm.events
sawfish.wm.fonts
sawfish.wm.misc
sawfish.wm.windows
sawfish.wm.ext.match-window
sawfish.wm.util.x
merlin.sawlet-placement
merlin.util
merlin.x-util)
(defgroup sawlets "Sawlets")
(defcustom merlin.sawlet:default-placement:origin 'north-east
"Default placement origin."
:type (choice north-west north-east south-east south-west)
:group sawlets
:after-set (lambda () (define-default-sawlet-placement-mode)))
(defcustom merlin.sawlet:default-placement:direction 'west
"Default placement direction."
:type (choice north east south west)
:group sawlets
:after-set (lambda () (define-default-sawlet-placement-mode)))
(defcustom merlin.sawlet:default-placement:avoid t
"Default placement avoids panels, etc."
:type boolean
:group sawlets
:after-set (lambda () (define-default-sawlet-placement-mode)))
(define (syms symbol . rest)
(intern
(apply concat
(list*
(format nil "%s" symbol)
(mapcar (lambda (sym) (format nil "-%s" sym)) rest)))))
(define (sawlet-symbol sawlet symbol)
(intern (format nil "merlin.sawlet:%s:%s" sawlet symbol)))
(define (sawlet-get sawlet key)
(get sawlet key))
(define (sawlet-put sawlet key value #!optional destructor)
(let
((old (get sawlet key)))
(and old destructor (destructor old))
(put sawlet key value)))
(define (sawlet-config sawlet key)
(symbol-value (sawlet-symbol sawlet key)))
(define (sawlet-call sawlet command . args)
(let
((cmd (sawlet-get sawlet command)))
(and cmd (apply cmd args))))
(define (sawlet-frame sawlet)
(get-window-by-id (x-window-id (sawlet-get sawlet 'root))))
(define (sawlet-from-frame window)
(window-get window 'merlin.sawlet:sawlet))
(define (sawlet-root-client-message event)
(let*
((window (cdr (assq 'window event)))
(sawlet (x-window-get window 'sawlet))
(message-type (cdr (assq 'message-type event)))
(fmt (cdr (assq 'format event)))
(data (cdr (assq 'data event))))
(when (and (eq message-type 'WM_PROTOCOLS)
(eq fmt 32)
(eq (aref data 0) (x-atom 'WM_DELETE_WINDOW)))
(sawlet-stop sawlet))))
(define (sawlet-root-event-handler type window event)
(cond
((eq type 'client-message) (sawlet-root-client-message event)))
nil)
(define (sawlet-window-event-handler type window event)
(let*
((sawlet (x-window-get window 'sawlet))
(handler (sawlet-get sawlet (syms type 'handler))))
(when handler
(handler sawlet event))))
(define event-mask-map
`((expose . exposure)
(button-press . button-press)
(enter-notify . enter-window)
(destroy-notify . substructure-notify)
(configure-notify . substructure-notify)
(configure-request . substructure-redirect)))
(define (sawlet-create sawlet)
(let*
((dims (or (sawlet-call sawlet 'dimensions sawlet) (cons 64 64)))
(bw (car (sawlet-config sawlet 'border)))
(root-dims (cons+ dims (* 2 bw)))
(root (x-create-window
(cons 0 0)
root-dims
0
`((override-redirect . ,nil)
(event-mask . ()))
sawlet-root-event-handler))
(window (x-create-window
(cons 0 0)
dims
bw
`((parent . ,root)
(background . ,(sawlet-config sawlet 'background))
(border-color . ,(cdr (sawlet-config sawlet 'border)))
(override-redirect . ,t)
(event-mask .
,(mapcar (lambda (map)
(and (sawlet-get sawlet (syms (car map) 'handler))
(cdr map))) event-mask-map)))
sawlet-window-event-handler))
(gc (x-create-gc
root
(and (boundp (sawlet-symbol sawlet 'foreground))
`(foreground . ,(sawlet-config sawlet 'foreground))))))
(x-window-put window 'sawlet sawlet)
(x-window-put root 'sawlet sawlet)
(sawlet-put sawlet 'gc gc x-free-gc)
(sawlet-put sawlet 'window window x-destroy-window)
(sawlet-put sawlet 'root root x-destroy-window)
(x-set-wm-class
root
(format nil "%s" sawlet)
"Sawlet")
(x-set-wm-name
root
(or (sawlet-get sawlet 'name) (format nil "%s" sawlet)))
(x-set-wm-icon-name
root
(or (sawlet-get sawlet 'icon-name) (format nil "%s" sawlet)))
(x-set-wm-protocols
root
'(delete-window))
(apply x-set-wm-size-hints
root
(or (sawlet-call sawlet 'wm-size-hints sawlet) (list dims dims)))
(x-x-map-window
window)
((x-map-fn)
root)))
(define (sawlet-destroy sawlet)
(sawlet-put sawlet 'gc nil x-free-gc)
(sawlet-put sawlet 'window nil x-destroy-window)
(sawlet-put sawlet 'root nil x-destroy-window))
(define (sawlet-configure sawlet)
(let*
((dims (or (sawlet-call sawlet 'dimensions sawlet) (cons 64 64)))
(bw (car (sawlet-config sawlet 'border)))
(root-dims (cons+ dims (* 2 bw))))
(apply x-set-wm-size-hints
(sawlet-get sawlet 'root)
(or (sawlet-call sawlet 'wm-size-hints sawlet) (list dims dims))) ;; root-dims?
((x-configure-fn)
(sawlet-get sawlet 'root)
`((width . ,(car root-dims))
(height . ,(cdr root-dims))))
(x-configure-window
(sawlet-get sawlet 'window)
`((width . ,(car dims))
(height . ,(cdr dims))
(border-width . ,bw)))
(x-change-window-attributes
(sawlet-get sawlet 'window)
`((background . ,(sawlet-config sawlet 'background))
(border-color . ,(cdr (sawlet-config sawlet 'border)))))
(when (boundp (sawlet-symbol sawlet 'foreground))
(x-change-gc
(sawlet-get sawlet 'gc)
`((foreground . ,(sawlet-config sawlet 'foreground)))))))
;; pub
(define sawlets nil)
(define (before-add-window-eye window)
(mapc
(lambda (sawlet)
(when (eq window (sawlet-frame sawlet))
(window-put window 'merlin.sawlet:sawlet sawlet)))
sawlets))
(add-hook 'before-add-window-hook before-add-window-eye)
(define (while-resizing-eye window)
(let*
((sawlet (sawlet-from-frame window)))
(when sawlet
(x-configure-window
(sawlet-get sawlet 'window)
`((width . ,move-resize-width)
(height . ,move-resize-height)))
(sawlet-call sawlet 'while-resizing sawlet))))
(add-hook 'while-resizing-hook while-resizing-eye)
(define (after-resize-eye window)
(let*
((sawlet (sawlet-from-frame window)))
(when sawlet
(sawlet-reconfigure sawlet))))
(add-hook 'after-resize-hook after-resize-eye)
;; needed to catch match-window placement
(add-hook 'after-add-window-hook after-resize-eye)
(define (sawlet-start sawlet)
(unless (memq sawlet sawlets)
(setq sawlets (nconc sawlets (list sawlet)))
(sawlet-create sawlet)
(sawlet-call sawlet 'start sawlet)))
(define (sawlet-reconfigure sawlet)
(when (memq sawlet sawlets)
(sawlet-call sawlet 'pre-configure sawlet)
(sawlet-configure sawlet)
(sawlet-call sawlet 'post-configure sawlet)
(sawlet-call sawlet 'expose-handler sawlet `((window . ,(sawlet-get sawlet 'window)))))) ;; hack!!
(define (sawlet-stop sawlet)
(when (sawlet-get sawlet 'root)
(setq sawlets (delq sawlet sawlets))
(sawlet-call sawlet 'stop sawlet)
(sawlet-destroy sawlet)))
(define (sawlet-active sawlet)
(and (sawlet-get sawlet 'root) t))
(define (define-default-sawlet-placement-mode)
(define-sawlet-placement-mode 'sawlet
merlin.sawlet:default-placement:origin
merlin.sawlet:default-placement:direction
merlin.sawlet:default-placement:avoid))
(define-default-sawlet-placement-mode)
(defmacro defsawlet
(sawlet #!rest keys)
(let*
((Sawlet (capitalize-string (format nil "%s" sawlet)))
(class (format nil "^Sawlet/%s$" sawlet))
(fmt (lambda (sym) (intern (format nil ":%s" sym))))
(get (lambda (sym) (cadr (memq (fmt sym) keys))))
(no (lambda (sym) (and (memq (fmt sym) keys) (not (get sym)))))
(start-stop
(lambda ()
(if (sawlet-config sawlet 'enabled)
(sawlet-start sawlet)
(sawlet-stop sawlet))))
(configure
(lambda ()
(sawlet-reconfigure sawlet))))
(append
`(progn
(require 'sawfish.wm.colors)
(require 'sawfish.wm.custom)
(require 'sawfish.wm.fonts)
(require 'sawfish.wm.ext.match-window)
(sawlet-put ',sawlet 'sawlet t
(lambda () (error "Sawlet %s already defined." ',sawlet)))
(defgroup ,sawlet ,Sawlet :group sawlets))
(mapcar ;; todo: ALL handlers!
(lambda (symbol)
`(sawlet-put ',sawlet ',symbol ,(get symbol)))
'(pre post init start stop pre-configure post-configure name icon-name
dimensions wm-size-hints while-resizing matcher-actions
expose-handler button-press-handler enter-notify-handler destroy-notify-handler
configure-notify-handler configure-request-handler))
(delq nil (mapcar
(lambda (def)
(let*
((name (nth 0 def))
(symbol (sawlet-symbol sawlet name))
(value (or (get name) (nth 1 def)))
;(doc (format nil "%s %s." Sawlet (nth 2 def)))
(doc (nth 2 def))
(type (nth 3 def))
(after-set (nth 4 def)))
(and (not (no name)) `(defcustom ,symbol ,value ,doc
:type ,type :group (sawlets ,sawlet) :after-set ,after-set))))
`((enabled t "Enabled." boolean ,start-stop)
(font default-font "Font." font ,configure)
(foreground (get-color-rgb 0 0 0) "Foreground color." color ,configure)
(background (get-color-rgb 65535 65535 65535) "Background color." color ,configure)
(border (cons 0 (get-color-rgb 0 0 0)) "Internal border." (pair (labelled "Width:" (number 0 100)) (labelled "Color:" color)) ,configure))))
(nreverse
(let loop ((rest keys) (defs nil))
(if (not rest)
defs
(when (eq ':defgroup (car rest))
(let*
((def (append (cadr rest) ())) ; copy list
(group (memq ':group def)))
(if group ;; TODO: group can be a symbol
(rplaca (cdr group) (list* 'sawlets sawlet (cadr group)))
(nconc def `(:group (sawlets ,sawlet))))
(setq defs (cons (cons 'defgroup def) defs))))
(loop (cddr rest) defs))))
(nreverse
(let loop ((rest keys) (defs nil))
(if (not rest)
defs
(when (eq ':defcustom (car rest))
(let*
((def (append (cadr rest) ())) ; copy list
(name (nth 0 def))
(symbol (sawlet-symbol sawlet name))
(value (or (get name) (nth 1 def)))
(group (memq ':group def))
(after-set (memq ':after-set def))
(depends (memq ':depends def)))
(rplaca def symbol)
(rplaca (cdr def) value)
(if group ;; TODO: group can be a symbol
(rplaca (cdr group) (list* 'sawlets sawlet (cadr group)))
(nconc def `(:group (sawlets ,sawlet))))
(when depends
(rplaca (cdr depends) (sawlet-symbol sawlet (cadr depends))))
(when after-set
(rplaca (cdr after-set) `(lambda () (,(cadr after-set) ',sawlet))))
(setq defs (cons (cons 'defcustom def) defs))))
(loop (cddr rest) defs))))
`((unless
(catch 'out
(mapc
(lambda (entry)
(when (member (cons 'WM_CLASS ,class) (car entry))
(throw 'out t)))
match-window-profile)
nil)
(setq match-window-profile
(nconc match-window-profile (list (list (list (cons 'WM_CLASS ,class))))))
(apply add-window-matcher 'WM_CLASS ,class
(sawlet-get ',sawlet 'matcher-actions)))
(when (sawlet-get ',sawlet 'pre)
((sawlet-get ',sawlet 'pre) ',sawlet))
(when (sawlet-get ',sawlet 'init)
((sawlet-get ',sawlet 'init) ',sawlet))
(when (and (not batch-mode) (sawlet-config ',sawlet 'enabled))
(sawlet-start ',sawlet))
(when (sawlet-get ',sawlet 'post)
((sawlet-get ',sawlet 'post) ',sawlet))
(defvar ,sawlet ',sawlet))))) ;; define??
(unless
(catch 'out
(mapc
(lambda (entry)
(when (member (cons 'WM_CLASS "^Sawlet/") (car entry))
(throw 'out t)))
match-window-profile)
nil)
(setq match-window-profile ;; put at end...
(nconc match-window-profile (list (list (list (cons 'WM_CLASS "^Sawlet/"))))))
(add-window-matcher 'WM_CLASS "^Sawlet/"
'(place-mode . sawlet)
'(never-focus . t)
'(sticky . t)
'(sticky-viewport . t)
'(window-list-skip . t)
'(task-list-skip . t)
'(skip-tasklist . t)
'(frame-type . border-only))))
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