| 1 | #! perl |
1 | #! perl |
| 2 | |
2 | |
| 3 | # this creates a simple digital clock by overwriting the refresh hooks |
3 | =head1 NAME |
| 4 | |
4 | |
| 5 | sub on_init { |
5 | digital-clock - display a digital clock overlay |
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6 | |
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7 | =head1 DESCRPTION |
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8 | |
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9 | Displays a digital clock using the built-in overlay. |
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10 | |
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11 | =cut |
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12 | |
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13 | sub on_start { |
| 6 | my ($self) = @_; |
14 | my ($self) = @_; |
| 7 | |
15 | |
| 8 | # force a refresh every second |
16 | $self->{overlay} = $self->overlay (-1, 0, 8, 1, urxvt::OVERLAY_RSTYLE, 0); |
| 9 | $self->{digital_clock_refresh} = urxvt::timer |
17 | $self->{timer} = urxvt::timer |
| 10 | ->new |
18 | ->new |
| 11 | ->start (urxvt::NOW) |
19 | ->start (1 + int urxvt::NOW) # make sure we update "on" the second |
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20 | ->interval (1) |
| 12 | ->cb (sub { |
21 | ->cb (sub { |
| 13 | $self->{digital_clock_refresh}->start ($self->{digital_clock_refresh}->at + 1); |
22 | $self->{overlay}->set (0, 0, |
| 14 | $self->want_refresh; |
23 | sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2,1,0]); |
| 15 | }); |
24 | }); |
| 16 | |
25 | |
| 17 | () |
26 | () |
| 18 | } |
27 | } |
| 19 | |
28 | |
| 20 | # before refreshing: replace upper right with the clock display |
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| 21 | sub on_refresh_begin { |
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| 22 | my ($self) = @_; |
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| 23 | |
29 | |
| 24 | my $time = sprintf "%2d:%02d:%02d", (localtime urxvt::NOW)[2, 1, 0]; |
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| 25 | my $xpos = $self->ncol - length $time; |
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| 26 | |
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| 27 | $xpos >= 0 |
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| 28 | or return; |
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| 29 | |
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| 30 | $self->{digital_clock_rend} = $self->ROW_r (0, [(urxvt::DEFAULT_RSTYLE) x length $time], $xpos); |
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| 31 | $self->{digital_clock_text} = $self->ROW_t (0, $time, $xpos); |
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| 32 | |
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| 33 | () |
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| 34 | } |
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| 35 | |
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| 36 | # after refreshing: restore previous screen contents |
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| 37 | sub on_refresh_end { |
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| 38 | my ($self) = @_; |
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| 39 | |
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| 40 | exists $self->{digital_clock_text} |
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| 41 | or return; |
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| 42 | |
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| 43 | $self->ROW_r (0, delete $self->{digital_clock_rend}); |
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| 44 | $self->ROW_t (0, delete $self->{digital_clock_text}); |
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| 45 | |
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| 46 | () |
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| 47 | } |
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| 48 | |
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| 49 | |
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