blob: ec27b764670037d003b39a0ac739140c3d1b51d3 (
plain)
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
|
#
# tk/scrollable.rb : module for scrollable widget
#
require 'tk'
module Tk
module X_Scrollable
def xscrollcommand(cmd=Proc.new)
configure_cmd 'xscrollcommand', cmd
# Tk.update # avoid scrollbar trouble
self
end
def xview(*index)
if index.size == 0
list(tk_send_without_enc('xview'))
else
tk_send_without_enc('xview', *index)
self
end
end
def xview_moveto(*index)
xview('moveto', *index)
end
def xview_scroll(*index)
xview('scroll', *index)
end
def xscrollbar(bar=nil)
if bar
@xscrollbar = bar
@xscrollbar.orient 'horizontal'
self.xscrollcommand {|*arg| @xscrollbar.set(*arg)}
@xscrollbar.command {|*arg| self.xview(*arg)}
Tk.update # avoid scrollbar trouble
end
@xscrollbar
end
end
module Y_Scrollable
def yscrollcommand(cmd=Proc.new)
configure_cmd 'yscrollcommand', cmd
# Tk.update # avoid scrollbar trouble
self
end
def yview(*index)
if index.size == 0
list(tk_send_without_enc('yview'))
else
tk_send_without_enc('yview', *index)
self
end
end
def yview_moveto(*index)
yview('moveto', *index)
end
def yview_scroll(*index)
yview('scroll', *index)
end
def yscrollbar(bar=nil)
if bar
@yscrollbar = bar
@yscrollbar.orient 'vertical'
self.yscrollcommand {|*arg| @yscrollbar.set(*arg)}
@yscrollbar.command {|*arg| self.yview(*arg)}
Tk.update # avoid scrollbar trouble
end
@yscrollbar
end
end
module Scrollable
include X_Scrollable
include Y_Scrollable
end
end
|