191 lines
6.5 KiB
Scheme
191 lines
6.5 KiB
Scheme
#| -*-Scheme-*-
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Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
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1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
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2017, 2018, 2019, 2020 Massachusetts Institute of Technology
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This file is part of MIT/GNU Scheme.
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MIT/GNU Scheme is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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MIT/GNU Scheme is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with MIT/GNU Scheme; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301,
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USA.
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|#
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;;;; Editor Frame
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;;; Editor Frame
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(define-class editor-frame vanilla-window
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(screen
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root-inferior
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typein-inferior
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selected-window
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cursor-window
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properties))
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(define (make-editor-frame root-screen main-buffer typein-buffer)
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(let ((window (make-object editor-frame)))
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(with-instance-variables editor-frame
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window
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(root-screen main-buffer typein-buffer)
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(set! superior false)
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(set! x-size (screen-x-size root-screen))
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(set! y-size (screen-y-size root-screen))
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(set! redisplay-flags (list false))
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(set! inferiors '())
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(set! properties (make-1d-table))
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(let ((main-window (make-buffer-frame window main-buffer true))
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(typein-window (make-buffer-frame window typein-buffer false)))
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(set! screen root-screen)
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(set! root-inferior (find-inferior inferiors main-window))
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(set! typein-inferior (find-inferior inferiors typein-window))
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(set! selected-window main-window)
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(set! cursor-window main-window)
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(window-cursor-enable! main-window))
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(set-editor-frame-size! window x-size y-size))
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window))
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(define (editor-frame-update-display! window display-style)
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;; Returns true if update is successfully completed (or unnecessary).
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;; Assumes that interrupts are disabled.
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(notice-window-changes! (editor-frame-typein-window window))
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(let ((start (editor-frame-window0 window)))
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(notice-window-changes! start)
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(do ((window (window1+ start) (window1+ window)))
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((eq? window start))
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(notice-window-changes! window)))
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(with-instance-variables editor-frame window (display-style)
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(or (not (or (display-style/ignore-redisplay-flags? display-style)
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(car redisplay-flags)))
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(let ((finished?
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(window-update-display! window screen 0 0 0 x-size 0 y-size
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display-style)))
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(if finished?
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(set-car! redisplay-flags false))
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finished?))))
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(define (set-editor-frame-size! window x y)
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(with-instance-variables editor-frame window (x y)
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(usual==> window :set-size! x y)
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(set-inferior-start! root-inferior 0 0)
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(let ((y* (- y typein-y-size)))
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(set-inferior-start! typein-inferior 0 y*)
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(set-inferior-size! root-inferior x y*))
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(set-inferior-size! typein-inferior x-size typein-y-size)
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(if (< x (screen-x-size screen))
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(screen-clear-rectangle screen
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x (screen-x-size screen)
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0 (screen-y-size screen)
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false))
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(if (< y (screen-y-size screen))
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(screen-clear-rectangle screen
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0 (screen-x-size screen)
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y (screen-y-size screen)
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false))))
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(define-method editor-frame :set-size!
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set-editor-frame-size!)
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(define typein-y-size 1)
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(define-method editor-frame (:new-root-window! window window*)
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(set! root-inferior (find-inferior inferiors window*))
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unspecific)
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(define-integrable (editor-frame-window0 window)
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(with-instance-variables editor-frame window ()
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(window0 (inferior-window root-inferior))))
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(define-integrable (editor-frame-typein-window window)
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(with-instance-variables editor-frame window ()
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(inferior-window typein-inferior)))
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(define-integrable (editor-frame-selected-window window)
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(with-instance-variables editor-frame window ()
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selected-window))
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(define-integrable (editor-frame-cursor-window window)
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(with-instance-variables editor-frame window ()
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cursor-window))
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(define-integrable (editor-frame-root-window window)
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(with-instance-variables editor-frame window ()
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(inferior-window root-inferior)))
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(define-integrable (editor-frame-screen window)
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(with-instance-variables editor-frame window ()
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screen))
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(define-integrable (editor-frame-properties window)
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(with-instance-variables editor-frame window ()
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properties))
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(define (editor-frame-windows window)
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(cons (editor-frame-typein-window window)
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(let ((start (editor-frame-window0 window)))
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(let loop ((window start))
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(cons window
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(let ((window (window1+ window)))
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(if (eq? window start)
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'()
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(loop window))))))))
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(define (editor-frame-select-window! window window*)
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(with-instance-variables editor-frame window (window*)
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(if (not (buffer-frame? window*))
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(error "Attempt to select non-window" window*))
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(window-cursor-disable! cursor-window)
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(set! selected-window window*)
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(set-window-select-time! window* (increment-select-time!))
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(set! cursor-window window*)
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(window-cursor-enable! window*)))
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(define (editor-frame-select-cursor! window window*)
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(with-instance-variables editor-frame window (window*)
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(if (not (buffer-frame? window*))
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(error "Attempt to select non-window" window*))
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(window-cursor-disable! cursor-window)
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(set! cursor-window window*)
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(window-cursor-enable! cursor-window)))
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(define-method editor-frame (:button-event! editor-frame button x y)
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(call-with-values
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(lambda ()
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(inferior-containing-coordinates editor-frame x y buffer-frame?))
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(lambda (frame relative-x relative-y)
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(if frame
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;; Make sure the event is inside the text portion of the
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;; buffer, not in the modeline or other decoration.
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(cond ((and (or (not (eq? frame
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(editor-frame-typein-window editor-frame)))
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(within-typein-edit?))
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(< -1 relative-x (buffer-frame-x-size frame))
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(< -1 relative-y (buffer-frame-y-size frame))
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(local-comtab-entry
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(buffer-comtabs (window-buffer frame))
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button
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(window-coordinates->mark frame
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relative-x
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relative-y)))
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=> (lambda (command)
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(with-current-button-event
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(make-button-event frame relative-x relative-y)
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(lambda () (execute-command command)))))
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((button-down? button)
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(editor-beep)))))))
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