# $XConsortium: fdemo,v 1.2 94/04/01 16:33:17 matt Exp $
# This dish script demonstrates some Fresco widgets

#
# -------------- utility routines
#

#  return a label containing the string
proc label {s} {
    global figure_kit
    figure_kit label [figure_kit default_style] s
}

#  print a strig to stdout
proc print {s} {
    puts $s
    flush stdout
}

#  compose the 5 glyphs into a vbox
proc v_box {g0 g1 g2 g3 g4} {
    global layout_kit
    set b [layout_kit vbox]
    b append g0
    b append g1
    b append g2
    b append g3
    b append g4
    return $b
}

#  add an item to a row  
proc add_panel {row title item} {
    global layout_kit panel_size
    set fil [layout_kit _get_fil]
    set g [
    	layout_kit margin_lrbt_flexible $item \
    	0.0 fil 0.0 0.0 fil 0.0 \
    	0.0 [expr 0.5 * $fil] 0.0 0.0 [expr 0.5 * $fil] 0.0 \
    ]
    row append [
    	layout_kit center [
            layout_kit fixed g panel_size panel_size
    	]
    ]
}

#
# ---------------- panels
#

#  normal and rotated text (rotated text needs transform setter)
proc labels {} {
    global layout_kit
    set b [layout_kit vbox]
    b append [label "Normal text"]
    return $b
}

proc push_button {s action} {
    global widget_kit
    widget_kit push_button [label $s] action
}

proc h_center {g} {
    global layout_kit
    layout_kit hcenter g
}

proc push_buttons {} {
    global layout_kit vspace2
    set b0 [push_button "Do nothing" 0]
    set b1 [push_button "Disable" 0]
    set b2 [push_button "Quit" [action exit]]
    # disable second button
    [b1 _get_state] clear 0
    v_box [h_center $b0] $vspace2 [h_center $b1] $vspace2 [h_center $b2]
}

proc check_box {s} {
    global widget_kit
    widget_kit check_box [label $s] [action print $s]
}

proc check_boxes {} {
    global vspace2
    set b0 [check_box "Column A"]
    set b1 [check_box "Column B"]
    set b2 [check_box "Column C"]
    set s [b2 _get_state]
    # set chosen
    s set 3
    # clear enabled
    s clear 0
    v_box $b0 $vspace2 $b1 $vspace2 $b2
}

proc radio_button {s group} {
    global widget_kit
    widget_kit radio_button [label $s] [action print $s] group
}

proc radio_buttons {} {
    global widget_kit vspace2
    set g [widget_kit telltale_group]
    set b0 [radio_button "Able" $g]
    set b1 [radio_button "Baker" $g]
    set b2 [radio_button "Charlie" $g]
    v_box $b0 $vspace2 $b1 $vspace2 $b2
}

proc palette_button {s} {
    global widget_kit
    widget_kit palette_button [label $s] [action print $s]
}

proc palette_buttons {} {
    global vspace2
    set b0 [palette_button "One"]
    set b1 [palette_button "Two"]
    set b2 [palette_button "Three"]
    v_box $b0 $vspace2 $b1 $vspace2 $b2
}

proc panner {x_adj y_adj} {
    global layout_kit widget_kit panel_size
    set size [expr $panel_size - 10.0]
    layout_kit fixed [widget_kit panner x_adj y_adj] size size 
}

proc hscroll_bar {adjustment} {
    global layout_kit panel_size widget_kit
    layout_kit vcenter [
    	layout_kit hfixed [
    	    widget_kit scroll_bar 0 adjustment
    	] [
    	    expr $panel_size - 8.0
    	]
    ]
}

proc vscroll_bar {adjustment} {
    global layout_kit panel_size widget_kit
    layout_kit hcenter [
    	layout_kit vfixed [
    	    widget_kit scroll_bar 1 adjustment
    	] [
    	    expr $panel_size - 8.0
    	]
    ]
}

#
# ------------- global variables
#

set panel_size 120
set x_adjustment [widget_kit bounded_float 0.0 100.0 50.0]
set y_adjustment [widget_kit bounded_float 0.0 100.0 50.0]
set vspace2 [layout_kit vspace 2.0]
set row1 [layout_kit hbox]
set row2 [layout_kit hbox]
set row3 [layout_kit hbox]
set body [layout_kit vbox]
 
#
# -------------- main routine
#

add_panel $row1 "Labels" [labels]
add_panel $row1 "Push buttons" [push_buttons]
add_panel $row1 "Check boxes" [check_boxes]

add_panel $row2 "Radio buttons" [radio_buttons]
add_panel $row2 "Palette buttons" [palette_buttons]

add_panel $row3 "Panner" [panner $x_adjustment $y_adjustment]
add_panel $row3 "HScrollbar" [hscroll_bar $x_adjustment]
add_panel $row3 "VScrollbar" [vscroll_bar $y_adjustment]

body append row1
body append row2
body append row3

main 0 body