1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
#
# simple scrollable canvas widget demo (called by 'widget')
#
# toplevel widget ��¸�ߤ���к������
if defined?($cscroll_demo) && $cscroll_demo
$cscroll_demo.destroy
$cscroll_demo = nil
end
# demo �Ѥ� toplevel widget ������
$cscroll_demo = TkToplevel.new {|w|
title("Scrollable Canvas Demonstration")
iconname("cscroll")
positionWindow(w)
}
# label ����
TkLabel.new($cscroll_demo, 'font'=>$font, 'wraplength'=>'4i',
'justify'=>'left', 'text'=>"���Υ�����ɥ��ˤϥ���������С���ޥ����Υܥ���2 �ǥ���������Ǥ��륭���Х� widget ��ɽ������Ƥ��ޤ����ͳѤξ�ǥܥ���1 ��å�����ȡ����Υ���ǥå�����ɸ����Ϥ˽��Ϥ���ޤ���"){
pack('side'=>'top')
}
# frame ����
$cscroll_buttons = TkFrame.new($cscroll_demo) {|frame|
TkButton.new(frame) {
#text '�'
text '�Ĥ���'
command proc{
tmppath = $cscroll_demo
$cscroll_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text '�����ɻ���'
command proc{showCode 'cscroll'}
}.pack('side'=>'left', 'expand'=>'yes')
}
$cscroll_buttons.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# frame ����
unless $tk_version =~ /^4\.[01]/
$cscroll_grid = TkFrame.new($cscroll_demo) {
pack('expand'=>'yes', 'fill'=>'both', 'padx'=>1, 'pady'=>1)
}
TkGrid.rowconfigure($cscroll_grid, 0, 'weight'=>1, 'minsize'=>0)
TkGrid.columnconfigure($cscroll_grid, 0, 'weight'=>1, 'minsize'=>0)
end
# canvas ����
$cscroll_canvas = TkCanvas.new($cscroll_demo,
'relief'=>'sunken', 'borderwidth'=>2,
'scrollregion'=>['-11c', '-11c', '50c', '20c']
) {|c|
if $tk_version =~ /^4\.[01]/
pack('expand'=>'yes', 'fill'=>'both')
else
grid('in'=>$cscroll_grid, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>0,
'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
end
TkScrollbar.new($cscroll_demo, 'command'=>proc{|*args| c.yview(*args)}) {|vs|
c.yscrollcommand(proc{|first,last| vs.set first,last})
if $tk_version =~ /^4\.[01]/
pack('side'=>'right', 'fill'=>'y')
else
grid('in'=>$cscroll_grid, 'padx'=>1, 'pady'=>1, 'row'=>0, 'column'=>1,
'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
end
}
TkScrollbar.new($cscroll_demo, 'orient'=>'horiz',
'command'=>proc{|*args| c.xview(*args)}) {|hs|
c.xscrollcommand(proc{|first,last| hs.set first,last})
if $tk_version =~ /^4\.[01]/
pack('side'=>'bottom', 'fill'=>'x')
else
grid('in'=>$cscroll_grid, 'padx'=>1, 'pady'=>1, 'row'=>1, 'column'=>0,
'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
end
}
}
bg = $cscroll_canvas.configinfo('bg')[4]
(0..19).each{|i|
x = -10+3*i
y = -10
(0..9).each{|j|
TkcRectangle.new($cscroll_canvas, "#{x}c", "#{y}c", "#{x+2}c", "#{y+2}c",
'outline'=>'black', 'fill'=>bg, 'tags'=>'rect')
TkcText.new($cscroll_canvas, "#{x+1}c", "#{y+1}c",
'text'=>"#{i},#{j}", 'anchor'=>'center', 'tags'=>'text')
y += 3
}
}
$cscroll_canvas.itembind('all', 'Any-Enter', proc{scrollEnter $cscroll_canvas})
$cscroll_canvas.itembind('all', 'Any-Leave', proc{scrollLeave $cscroll_canvas})
$cscroll_canvas.itembind('all', '1', proc{scrollButton $cscroll_canvas})
$cscroll_canvas.itembind('all', 'Any-Enter', proc{scrollEnter $cscroll_canvas})
$cscroll_canvas.bind('2', proc{|x,y| $cscroll_canvas.scan_mark(x,y)}, '%x %y')
$cscroll_canvas.bind('B2-Motion',
proc{|x,y| $cscroll_canvas.scan_dragto(x,y)}, '%x %y')
def scrollEnter(c)
id = c.find_withtag('current')[0].id
id -= 1 if c.gettags('current').include?('text')
$oldFill = c.itemconfiginfo(id, 'fill')[4]
if TkWinfo.depth(c) > 1
c.itemconfigure(id, 'fill'=>'SeaGreen1')
else
c.itemconfigure(id, 'fill'=>'black')
c.itemconfigure(id+1, 'fill'=>'white')
end
end
def scrollLeave(c)
id = c.find_withtag('current')[0].id
id -= 1 if c.gettags('current').include?('text')
c.itemconfigure(id, 'fill'=>$oldFill)
c.itemconfigure(id+1, 'fill'=>'black')
end
def scrollButton(c)
id = c.find_withtag('current')[0].id
id += 1 unless c.gettags('current').include?('text')
print "You buttoned at #{c.itemconfiginfo(id,'text')[4]}\n"
end
|
