4535f5d8cc
Also, fix `set-selection' in `list-box%' to not invoke the tab panel's callback function (cocoa & gtk).
150 lines
4.8 KiB
Racket
150 lines
4.8 KiB
Racket
#lang racket/base
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(require racket/class
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ffi/unsafe
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"../../syntax.rkt"
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"../../lock.rkt"
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"window.rkt"
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"utils.rkt"
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"types.rkt"
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"const.rkt"
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"dc.rkt")
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(provide
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(protect-out panel%
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panel-mixin
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panel-container-mixin
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gtk_fixed_new
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gtk_fixed_move
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gtk_container_set_border_width
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connect-expose-border))
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(define-gtk gtk_fixed_new (_fun -> _GtkWidget))
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(define-gtk gtk_event_box_new (_fun -> _GtkWidget))
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(define-gtk gtk_fixed_move (_fun _GtkWidget _GtkWidget _int _int -> _void))
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(define-gtk gtk_container_set_border_width (_fun _GtkWidget _int -> _void))
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(define-signal-handler connect-expose-border "expose-event"
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(_fun _GtkWidget _GdkEventExpose-pointer -> _gboolean)
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(lambda (gtk event)
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(let* ([win (widget-window gtk)]
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[gc (gdk_gc_new win)]
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[gray #x8000])
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(when gc
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(gdk_gc_set_rgb_fg_color gc (make-GdkColor 0 gray gray gray))
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(let* ([a (widget-allocation gtk)]
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[w (sub1 (GtkAllocation-width a))]
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[h (sub1 (GtkAllocation-height a))])
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(let loop ([gtk gtk] [x 0] [y 0])
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(if (not (zero? (bitwise-and (get-gtk-object-flags gtk) GTK_NO_WINDOW)))
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;; no window:
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(let ([a (widget-allocation gtk)])
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(loop (widget-parent gtk) (+ x (GtkAllocation-x a)) (+ y (GtkAllocation-y a))))
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;; found window:
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(gdk_draw_rectangle win gc #f x y w h))))
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(gdk_gc_unref gc)))
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#f))
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(define (panel-mixin %)
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(class %
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(define lbl-pos 'horizontal)
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(define children null)
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(super-new)
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(define/public (get-label-position) lbl-pos)
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(define/public (set-label-position pos) (set! lbl-pos pos))
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(define/public (adopt-child child)
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;; in atomic mode
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(send child set-parent this))
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(define/override (reset-child-dcs)
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(super reset-child-dcs)
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(when (pair? children)
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(for ([child (in-list children)])
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(send child reset-child-dcs))))
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(define/override (paint-children)
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(super paint-children)
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(when (pair? children)
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(for ([child (in-list children)])
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(send child paint-children))))
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(define/override (set-size x y w h)
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(super set-size x y w h)
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(reset-child-dcs))
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(define/override (register-child child on?)
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(let ([now-on? (and (memq child children) #t)])
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(unless (eq? on? now-on?)
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(set! children
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(if on?
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(cons child children)
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(remq child children))))))
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(define/override (refresh-all-children)
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(for ([child (in-list children)])
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(send child refresh)))
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(define/public (set-item-cursor x y) (void))))
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(define (panel-container-mixin %)
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(class %
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(inherit get-container-gtk)
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(super-new)
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(define/override (set-child-size child-gtk x y w h)
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(gtk_fixed_move (get-container-gtk) child-gtk x y)
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(gtk_widget_set_size_request child-gtk w h))))
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(define panel%
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(class (panel-container-mixin (panel-mixin window%))
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(init parent
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x y w h
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style
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label)
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(inherit get-gtk set-auto-size set-size
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adjust-client-delta)
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(define gtk (as-gtk-allocation (gtk_event_box_new)))
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(define border-gtk (atomically
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(and (memq 'border style)
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(let ([border-gtk (gtk_fixed_new)])
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(gtk_container_add gtk border-gtk)
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(gtk_container_set_border_width border-gtk 1)
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(connect-expose-border border-gtk)
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(gtk_widget_show border-gtk)
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border-gtk))))
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(define client-gtk (atomically
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(let ([client (gtk_fixed_new)])
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(gtk_container_add (or border-gtk gtk) client)
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(gtk_widget_show client)
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client)))
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(define/override (get-client-gtk) client-gtk)
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(define/override (gets-focus?) #f)
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(super-new [parent parent]
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[gtk gtk]
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[extra-gtks (list client-gtk)]
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[no-show? (memq 'deleted style)])
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;; Start with a minimum size:
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(set-size 0 0 (if border-gtk 3 1) (if border-gtk 3 1))
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(when border-gtk
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(adjust-client-delta 2 2))
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(connect-key-and-mouse gtk)
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(gtk_widget_add_events gtk (bitwise-ior GDK_BUTTON_PRESS_MASK
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GDK_BUTTON_RELEASE_MASK
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GDK_POINTER_MOTION_HINT_MASK
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GDK_FOCUS_CHANGE_MASK
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GDK_ENTER_NOTIFY_MASK
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GDK_LEAVE_NOTIFY_MASK))))
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