From 9be3be3ff3662c21cba709f5d9c3c8167efc409c Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Thu, 28 Mar 2002 10:41:37 +0000
Subject: *** empty log message ***

---
 Perl/ZincText.pm | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 Perl/ZincText.pm

(limited to 'Perl/ZincText.pm')

diff --git a/Perl/ZincText.pm b/Perl/ZincText.pm
new file mode 100644
index 0000000..2785b39
--- /dev/null
+++ b/Perl/ZincText.pm
@@ -0,0 +1,93 @@
+
+package ZincText;
+
+
+sub new {
+  my $proto = shift;
+  my $type = ref($proto) || $proto;
+  my ($zinc) = @_;
+  my $self = {};
+
+  $zinc->bind('text', '<1>' => sub {startSel($zinc)});
+  $zinc->bind('text', '<B1-Motion>' => sub {extendSel($zinc)});
+  $zinc->bind('text', '<Shift-B1-Motion>' => sub {extendSel($zinc)});
+  $zinc->bind('text', '<Shift-1>' => sub {
+		my $e = $zinc->XEvent();
+		my($x, $y) = ($e->x, $e->y);
+		$zinc->select('adjust', 'current', "\@$x,$y"); });
+  $zinc->bind('text', '<Left>' => sub {moveCur($zinc, -1);});
+  $zinc->bind('text', '<Right>' => sub {moveCur($zinc, 1);});
+  $zinc->bind('text', '<Control-a>' => sub {setCur($zinc, 0);});
+  $zinc->bind('text', '<Home>' => sub {setCur($zinc, 0);});
+  $zinc->bind('text', '<Control-e>' => sub {setCur($zinc, 'end');});
+  $zinc->bind('text', '<End>' => sub {setCur($zinc, 'end');});
+  $zinc->bind('text', '<KeyPress>' => sub {insertChar($zinc);});
+  $zinc->bind('text', '<Shift-KeyPress>' => sub {insertChar($zinc);});
+  $zinc->bind('text', '<Return>' => sub {
+		$zinc->insert($zinc->focus(), 'insert', "\n"); });
+  $zinc->bind('text', '<BackSpace>' => sub {textDel($zinc, -1)});
+  $zinc->bind('text', '<Delete>' => sub {textDel($zinc, 0)});
+  $zinc->bind('text', '<Control-d>' => sub {
+		$zinc->dchars($zinc->focus(), 'sel.first', 'sel.last'); });
+  $zinc->bind('text', '<Control-y>' => sub {
+		$zinc->insert($zinc->focus(), 'insert', Tk::selection('get')); });
+
+  bless ($self, $type);
+  return $self;
+}
+
+
+sub insertChar {
+  my ($w) = @_;
+  my $c = $w->XEvent->A();
+
+  $w->insert($w->focus(), 'insert', $c);
+}
+
+
+sub setCur {
+  my ($w, $where) = @_;
+  my $it = $w->focus();
+
+  $w->cursor($it, $where);
+}
+
+
+sub moveCur {
+  my ($w, $dir) = @_;
+  my $it = $w->focus();
+  my $index = $w->index($it, 'insert');
+
+  $w->cursor($it, $index + $dir);
+}
+
+
+sub startSel {
+  my($w) = @_;
+  my $e = $w->XEvent;
+  my($x, $y) = ($e->x, $e->y);
+
+  $w->cursor('current', "\@$x,$y");
+  $w->focus('current');
+  $w->Tk::focus;
+  $w->select('from', 'current', "\@$x,$y");
+}
+
+
+sub extendSel {
+  my($w) = @_;
+  my $e = $w->XEvent;
+  my($x, $y) = ($e->x, $e->y);
+  $w->select('to', 'current', "\@$x,$y");
+}
+
+
+sub textDel {
+  my($w, $dir) = @_;
+  my $it = $w->focus();
+  my $ind = $w->index($it, 'insert') + $dir;
+
+  $w->dchars($it, $ind) if ($ind >= 0);
+}
+
+1;
-- 
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