204 lines
7.3 KiB
Plaintext
204 lines
7.3 KiB
Plaintext
|
;;;;
|
|||
|
|
;;;; P a n e d . s t k -- HPaned and VPaned composite widgets
|
|||
|
|
;;;;
|
|||
|
|
;;;; Copyright <20> 1993-1996 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
|
|||
|
|
;;;;
|
|||
|
|
;;;; Permission to use, copy, and/or distribute this software and its
|
|||
|
|
;;;; documentation for any purpose and without fee is hereby granted, provided
|
|||
|
|
;;;; that both the above copyright notice and this permission notice appear in
|
|||
|
|
;;;; all copies and derived works. Fees for distribution or use of this
|
|||
|
|
;;;; software or derived works may only be charged with express written
|
|||
|
|
;;;; permission of the copyright holder.
|
|||
|
|
;;;; This software is provided ``as is'' without express or implied warranty.
|
|||
|
|
;;;;
|
|||
|
|
;;;; Idea of this implementation was found in comp.lang.tcl.
|
|||
|
|
;;;; Original author seems to be James Noble and the version from which this
|
|||
|
|
;;;; stuff is derivated is Jay Schmidgall (shmdgljd@ghostwind.rchland.ibm.com).
|
|||
|
|
;;;;
|
|||
|
|
;;;; Author: Erick Gallesio [eg@kaolin.unice.fr]
|
|||
|
|
;;;; Creation date: 22-Mar-1994 13:05
|
|||
|
|
;;;; Last file update: 13-Aug-1996 23:22
|
|||
|
|
|
|||
|
|
(require "Frame")
|
|||
|
|
|
|||
|
|
(define paned:drag-start 0)
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
;;;;
|
|||
|
|
;;;; <HPaned> class definition
|
|||
|
|
;;;;
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
|
|||
|
|
(define-class <HPaned> (<Tk-composite-widget>)
|
|||
|
|
((top-frame :accessor top-frame-of)
|
|||
|
|
(bottom-frame :accessor bottom-frame-of)
|
|||
|
|
(grip :accessor grip-of)
|
|||
|
|
(separator :accessor separator-of)
|
|||
|
|
(fraction :init-keyword :fraction)
|
|||
|
|
;; Fictives slot
|
|||
|
|
(background :accessor background
|
|||
|
|
:init-keyword :background
|
|||
|
|
:allocation :propagated
|
|||
|
|
:propagate-to (frame top-frame bottom-frame grip separator))
|
|||
|
|
(width :accessor width
|
|||
|
|
:init-keyword :width
|
|||
|
|
:allocation :propagated
|
|||
|
|
:propagate-to (frame))
|
|||
|
|
(height :accessor height
|
|||
|
|
:init-keyword :height
|
|||
|
|
:allocation :propagated
|
|||
|
|
:propagate-to (frame))))
|
|||
|
|
|
|||
|
|
|
|||
|
|
(define-method initialize-composite-widget ((self <HPaned>) initargs frame)
|
|||
|
|
(let ((grip (make <Frame> :parent frame :width 10 :height 10 :border-width 2
|
|||
|
|
:relief "raised" :cursor "crosshair"))
|
|||
|
|
(separ (make <Frame> :parent frame :width 1 :height 4
|
|||
|
|
:border-width 2 :relief "ridge"))
|
|||
|
|
(top (make <Frame> :parent frame :border-width 2 :relief "raised"))
|
|||
|
|
(bot (make <Frame> :parent frame :border-width 2 :relief "raised")))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;; Associate bindings to the grip
|
|||
|
|
(bind grip "<Button-1>" (lambda (y) (start-grip self y)))
|
|||
|
|
(bind grip "<B1-Motion>" (lambda (y) (motion-grip self y)))
|
|||
|
|
(bind grip "<B1-ButtonRelease-1>" (lambda (y) (stop-grip self y)))
|
|||
|
|
|
|||
|
|
;; initialize true slots
|
|||
|
|
(slot-set! self 'Id (Id frame))
|
|||
|
|
(slot-set! self 'top-frame top)
|
|||
|
|
(slot-set! self 'bottom-frame bot)
|
|||
|
|
(slot-set! self 'grip grip)
|
|||
|
|
(slot-set! self 'separator separ)
|
|||
|
|
(slot-set! self 'fraction (get-keyword :fraction initargs 0.5))
|
|||
|
|
|
|||
|
|
;; Place the grip
|
|||
|
|
(place-grip self)))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;;
|
|||
|
|
;;; <HPaned> methods
|
|||
|
|
;;;
|
|||
|
|
(define-method place-grip ((self <HPaned>))
|
|||
|
|
(let ((fraction (slot-ref self 'fraction)))
|
|||
|
|
(place (separator-of self) :relx 0 :rely fraction :anch "w" :relwi 1)
|
|||
|
|
(place (grip-of self) :relx 0.95 :rely fraction :anchor "center")
|
|||
|
|
(place (top-frame-of self) :x 0 :y 0 :relwidth 1 :relheight fraction)
|
|||
|
|
(place (bottom-frame-of self) :x 0 :rely fraction :relwidth 1
|
|||
|
|
:relheight (- 1.0 fraction))
|
|||
|
|
;; Hide separator behind the bottom and top frames
|
|||
|
|
(lower (separator-of self))
|
|||
|
|
;; Be sure to raise the grip
|
|||
|
|
(raise (grip-of self))))
|
|||
|
|
|
|||
|
|
(define-method start-grip ((self <HPaned>) y)
|
|||
|
|
;; Raise separator and grip
|
|||
|
|
(raise (separator-of self))
|
|||
|
|
(raise (grip-of self))
|
|||
|
|
(set! paned:drag-start y))
|
|||
|
|
|
|||
|
|
(define-method motion-grip ((self <HPaned>) y)
|
|||
|
|
(let ((fraction (slot-ref self 'fraction)))
|
|||
|
|
(set! fraction (max 0.0001
|
|||
|
|
(min 0.9999
|
|||
|
|
(+ fraction
|
|||
|
|
(/ (- y paned:drag-start)
|
|||
|
|
(+ 1 (winfo 'height (frame-of self))))))))
|
|||
|
|
(place (separator-of self) :relx 0 :relwidth 1 :rely fraction :anchor "w")
|
|||
|
|
(place (grip-of self) :relx 0.95 :rely fraction :anchor "center")
|
|||
|
|
(slot-set! self 'fraction fraction)))
|
|||
|
|
|
|||
|
|
(define-method stop-grip ((self <HPaned>) y)
|
|||
|
|
(place-grip self))
|
|||
|
|
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
;;;;
|
|||
|
|
;;;; <VPaned> class definition
|
|||
|
|
;;;;
|
|||
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|||
|
|
|
|||
|
|
(define-class <VPaned> (<Tk-composite-widget>)
|
|||
|
|
((left-frame :accessor left-frame-of)
|
|||
|
|
(right-frame :accessor right-frame-of)
|
|||
|
|
(grip :accessor grip-of)
|
|||
|
|
(separator :accessor separator-of)
|
|||
|
|
(fraction :init-keyword :fraction)
|
|||
|
|
;; Fictives slots
|
|||
|
|
(background :accessor background
|
|||
|
|
:init-keyword :background
|
|||
|
|
:allocation :propagated
|
|||
|
|
:propagate-to (frame left-frame right-frame grip separator))
|
|||
|
|
(width :accessor width
|
|||
|
|
:init-keyword :width
|
|||
|
|
:allocation :propagated
|
|||
|
|
:propagate-to (frame))
|
|||
|
|
(height :accessor height
|
|||
|
|
:init-keyword :height
|
|||
|
|
:allocation :propagated
|
|||
|
|
:propagate-to (frame))))
|
|||
|
|
|
|||
|
|
|
|||
|
|
(define-method initialize-composite-widget ((self <VPaned>) initargs frame)
|
|||
|
|
(let ((grip (make <Frame> :parent frame :width 10 :height 10 :border-width 2
|
|||
|
|
:relief "raised" :cursor "crosshair"))
|
|||
|
|
(separ (make <Frame> :parent frame :width 4 :height 1
|
|||
|
|
:border-width 2 :relief "ridge"))
|
|||
|
|
(left (make <Frame> :parent frame :border-width 2 :relief "raised"))
|
|||
|
|
(right (make <Frame> :parent frame :border-width 2 :relief "raised")))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;; Associate bindings to the grip
|
|||
|
|
(bind grip "<Button-1>" (lambda (x) (start-grip self x)))
|
|||
|
|
(bind grip "<B1-Motion>" (lambda (x) (motion-grip self x)))
|
|||
|
|
(bind grip "<B1-ButtonRelease-1>" (lambda (x) (stop-grip self x)))
|
|||
|
|
|
|||
|
|
;; initialize true slots
|
|||
|
|
(slot-set! self 'Id (Id frame))
|
|||
|
|
(slot-set! self 'left-frame left)
|
|||
|
|
(slot-set! self 'right-frame right)
|
|||
|
|
(slot-set! self 'grip grip)
|
|||
|
|
(slot-set! self 'separator separ)
|
|||
|
|
(slot-set! self 'fraction (get-keyword :fraction initargs 0.5))
|
|||
|
|
|
|||
|
|
;; Place the grip
|
|||
|
|
(place-grip self)))
|
|||
|
|
|
|||
|
|
|
|||
|
|
;;;
|
|||
|
|
;;; <VPaned> methods
|
|||
|
|
;;;
|
|||
|
|
(define-method place-grip ((self <VPaned>))
|
|||
|
|
(let ((fraction (slot-ref self 'fraction)))
|
|||
|
|
(place (separator-of self) :rely 0 :relx fraction :anch "n" :relh 1)
|
|||
|
|
(place (grip-of self) :rely 0.95 :relx fraction :anchor "center")
|
|||
|
|
(place (left-frame-of self) :x 0 :y 0 :relheight 1 :relwidth fraction)
|
|||
|
|
(place (right-frame-of self) :y 0 :relx fraction :relheight 1
|
|||
|
|
:relwidth (- 1.0 fraction))
|
|||
|
|
;; Hide separator behind the right and left frames
|
|||
|
|
(lower (separator-of self))
|
|||
|
|
;; Be sure to raise the grip
|
|||
|
|
(raise (grip-of self))))
|
|||
|
|
|
|||
|
|
(define-method start-grip ((self <VPaned>) x)
|
|||
|
|
;; Raise separator and grip
|
|||
|
|
(raise (separator-of self))
|
|||
|
|
(raise (grip-of self))
|
|||
|
|
(set! paned:drag-start x))
|
|||
|
|
|
|||
|
|
(define-method motion-grip ((self <VPaned>) x)
|
|||
|
|
(let ((fraction (slot-ref self 'fraction)))
|
|||
|
|
(set! fraction (max 0.0001
|
|||
|
|
(min 0.9999
|
|||
|
|
(+ fraction
|
|||
|
|
(/ (- x paned:drag-start)
|
|||
|
|
(+ 1 (winfo 'width (frame-of self))))))))
|
|||
|
|
(place (separator-of self) :rely 0 :relheight 1 :relx fraction :anchor "n")
|
|||
|
|
(place (grip-of self) :rely 0.95 :relx fraction :anchor "center")
|
|||
|
|
(slot-set! self 'fraction fraction)))
|
|||
|
|
|
|||
|
|
(define-method stop-grip ((self <VPaned>) x)
|
|||
|
|
(place-grip self))
|
|||
|
|
|
|||
|
|
|
|||
|
|
(provide "Paned")
|