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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use Tickit::Test 0.12;
use Tickit::Widget::Scroller;
use Tickit::Widget::Scroller::Item::Text;
# TODO: mk_window once Tickit::Test can take a size there too
my ( $term, $rootwin ) = mk_term_and_window cols => 20, lines => 8;
my $win = $rootwin->make_sub( 0, 0, 6, 20 );
$rootwin->focus( 7, 0 );
my $scroller = Tickit::Widget::Scroller->new(
gravity => "top",
);
$scroller->set_window( $win );
flush_tickit;
is_termlog( [ ( map { GOTO($_,0), SETBG(undef), ERASECH(20) } 0 .. 5 ),
GOTO(7,0) ],
'Termlog initially' );
is_display( [ ],
'Display initially' );
is_cursorpos( 7, 0, 'Cursor position intially' );
$scroller->unshift(
Tickit::Widget::Scroller::Item::Text->new( "A line of text" ),
);
flush_tickit;
is_termlog( [ GOTO(0,0),
SETPEN,
PRINT("A line of text"),
SETBG(undef),
ERASECH(6),
GOTO(7,0) ],
'Termlog after unshift' );
is_display( [ [TEXT("A line of text")] ],
'Display after unshift' );
is_cursorpos( 7, 0, 'Cursor position after unshift' );
$scroller->unshift( reverse
map { Tickit::Widget::Scroller::Item::Text->new( "Another line $_" ) } 1 .. 4,
);
flush_tickit;
is_termlog( [ SETBG(undef),
SCROLLRECT(0,0,6,20, -4,0),
GOTO(0,0),
SETPEN,
PRINT("Another line 4"),
SETBG(undef),
ERASECH(6),
GOTO(1,0),
SETPEN,
PRINT("Another line 3"),
SETBG(undef),
ERASECH(6),
GOTO(2,0),
SETPEN,
PRINT("Another line 2"),
SETBG(undef),
ERASECH(6),
GOTO(3,0),
SETPEN,
PRINT("Another line 1"),
SETBG(undef),
ERASECH(6),
GOTO(7,0) ],
'Termlog after unshift 4' );
is_display( [ [TEXT("Another line 4")],
[TEXT("Another line 3")],
[TEXT("Another line 2")],
[TEXT("Another line 1")],
[TEXT("A line of text")] ],
'Display after unshift 4' );
is_cursorpos( 7, 0, 'Cursor position after unshift 4' );
$scroller->unshift( Tickit::Widget::Scroller::Item::Text->new( "An item of text that wraps" ) );
flush_tickit;
is_termlog( [ SETBG(undef),
SCROLLRECT(0,0,6,20, -2,0),
GOTO(0,0),
SETPEN,
PRINT("An item of text that"),
GOTO(1,0),
SETPEN,
PRINT("wraps"),
SETBG(undef),
ERASECH(15),
GOTO(7,0) ],
'Termlog after unshift wrapping' );
is_display( [ [TEXT("An item of text that")],
[TEXT("wraps")],
[TEXT("Another line 4")],
[TEXT("Another line 3")],
[TEXT("Another line 2")],
[TEXT("Another line 1")] ],
'Display after unshift wrapping' );
is_cursorpos( 7, 0, 'Cursor position after unshift wrapping' );
$scroller->unshift( reverse
map { Tickit::Widget::Scroller::Item::Text->new( "Another line $_" ) } 5 .. 10,
);
flush_tickit;
drain_termlog;
is_display( [ [TEXT("Another line 10")],
[TEXT("Another line 9")],
[TEXT("Another line 8")],
[TEXT("Another line 7")],
[TEXT("Another line 6")],
[TEXT("Another line 5")], ],
'Display after unshift 6' );
is_cursorpos( 7, 0, 'Cursor position after unshift 6' );
$scroller->set_window( undef );
$scroller->unshift( Tickit::Widget::Scroller::Item::Text->new( "A line while offscreen" ) );
$scroller->set_window( $win );
flush_tickit;
drain_termlog;
is_display( [ [TEXT("Another line 10")],
[TEXT("Another line 9")],
[TEXT("Another line 8")],
[TEXT("Another line 7")],
[TEXT("Another line 6")],
[TEXT("Another line 5")], ],
'Display after unshift while offscreen' );
is_cursorpos( 7, 0, 'Cursor position after unshift while offscreen' );
$scroller->scroll_to_bottom;
flush_tickit;
drain_termlog;
is_display( [ [TEXT("wraps")],
[TEXT("Another line 4")],
[TEXT("Another line 3")],
[TEXT("Another line 2")],
[TEXT("Another line 1")],
[TEXT("A line of text")] ],
'Display after scroll_to_bottom' );
is_cursorpos( 7, 0, 'Cursor position after scroll_to_bottom' );
$scroller->unshift(
Tickit::Widget::Scroller::Item::Text->new( "Unseen line" ),
);
is_termlog( [],
'Termlog empty after unshift at tail' );
is_display( [ [TEXT("wraps")],
[TEXT("Another line 4")],
[TEXT("Another line 3")],
[TEXT("Another line 2")],
[TEXT("Another line 1")],
[TEXT("A line of text")] ],
'Display after unshift at tail' );
is_cursorpos( 7, 0, 'Cursor position after unshift at tail' );
done_testing;
|
