From 3c7edcc3de4d409d45f014576c95de748a88d4de Mon Sep 17 00:00:00 2001
From: lecoanet
Date: Thu, 11 Apr 2002 09:03:51 +0000
Subject: Support de l'�dition des textes dans les fields Am�lioration de la
 prise en compte de la s�lection et correction de bugs

---
 Perl/ZincText.pm | 110 +++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 82 insertions(+), 28 deletions(-)

(limited to 'Perl')

diff --git a/Perl/ZincText.pm b/Perl/ZincText.pm
index 2785b39..0cf04b5 100644
--- a/Perl/ZincText.pm
+++ b/Perl/ZincText.pm
@@ -9,6 +9,7 @@ sub new {
   my $self = {};
 
   $zinc->bind('text', '<1>' => sub {startSel($zinc)});
+  $zinc->bind('text', '<2>' => sub {pasteSel($zinc)});
   $zinc->bind('text', '<B1-Motion>' => sub {extendSel($zinc)});
   $zinc->bind('text', '<Shift-B1-Motion>' => sub {extendSel($zinc)});
   $zinc->bind('text', '<Shift-1>' => sub {
@@ -17,60 +18,99 @@ sub new {
 		$zinc->select('adjust', 'current', "\@$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"); });
+  $zinc->bind('text', '<Up>' => sub {setCur($zinc, 'up');});
+  $zinc->bind('text', '<Down>' => sub {setCur($zinc, 'down');});
+  $zinc->bind('text', '<Control-a>' => sub {setCur($zinc, 'bol');});
+  $zinc->bind('text', '<Home>' => sub {setCur($zinc, 'bol');});
+  $zinc->bind('text', '<Control-e>' => sub {setCur($zinc, 'eol');});
+  $zinc->bind('text', '<End>' => sub {setCur($zinc, 'eol');});
+  $zinc->bind('text', '<Meta-less>' => sub {setCur($zinc, 0);});
+  $zinc->bind('text', '<Meta-greater>' => sub {setCur($zinc, 'end');});
+  $zinc->bind('text', '<KeyPress>' => sub {insertKey($zinc);});
+  $zinc->bind('text', '<Shift-KeyPress>' => sub {insertKey($zinc);});
+  $zinc->bind('text', '<Return>' => sub { insertChar($zinc, chr(10)); });
   $zinc->bind('text', '<BackSpace>' => sub {textDel($zinc, -1)});
+  $zinc->bind('text', '<Control-h>' => sub {textDel($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 pasteSel {
+  my ($w) = @_;
+  my $e = $w->XEvent;
+  my($x, $y) = ($e->x(), $e->y());
+  my @it = $w->focus();
+
+  if (@it != 0) {
+    eval { $w->insert(@it, "\@$x,$y", $w->SelectionGet()); };
+  }
+}
+
+
 sub insertChar {
+  my ($w, $c) = @_;
+  my @it = $w->focus();
+  my @selit = $w->select('item');
+
+  if (@it == 0) {
+    return;
+  }
+
+  if ((scalar(@selit) == scalar(@it)) &&
+      ($selit[0] == $it[0]) && ($selit[1] == $it[1])) {
+    $w->dchars(@it, 'sel.first', 'sel.last');
+  }
+  $w->insert(@it, 'insert', $c);
+}
+
+
+sub insertKey {
   my ($w) = @_;
   my $c = $w->XEvent->A();
 
-  $w->insert($w->focus(), 'insert', $c);
+  if ((ord($c) < 32) || (ord($c) == 128)) {
+    return;
+  }
+
+  insertChar($w, $c);
 }
 
 
 sub setCur {
   my ($w, $where) = @_;
-  my $it = $w->focus();
+  my @it = $w->focus();
 
-  $w->cursor($it, $where);
+  if (@it != 0) {
+    $w->cursor(@it, $where);
+  }
 }
 
 
 sub moveCur {
   my ($w, $dir) = @_;
-  my $it = $w->focus();
-  my $index = $w->index($it, 'insert');
+  my @it = $w->focus();
+  my $index;
 
-  $w->cursor($it, $index + $dir);
+  if (@it != 0) {
+    $index = $w->index(@it, 'insert');
+    $w->cursor(@it, $index + $dir);
+  }
 }
 
 
 sub startSel {
   my($w) = @_;
   my $e = $w->XEvent;
-  my($x, $y) = ($e->x, $e->y);
+  my($x, $y) = ($e->x(), $e->y());
+  my $part = $w->currentpart(1);
 
-  $w->cursor('current', "\@$x,$y");
-  $w->focus('current');
-  $w->Tk::focus;
-  $w->select('from', 'current', "\@$x,$y");
+  $w->cursor('current', $part, "\@$x,$y");
+  $w->focus('current', $part);
+  $w->Tk::focus();
+  $w->select('from', 'current', $part, "\@$x,$y");
 }
 
 
@@ -78,16 +118,30 @@ sub extendSel {
   my($w) = @_;
   my $e = $w->XEvent;
   my($x, $y) = ($e->x, $e->y);
-  $w->select('to', 'current', "\@$x,$y");
+  my $part = $w->currentpart(1);
+
+  $w->select('to', 'current', $part, "\@$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);
+  my @it = $w->focus();
+  my @selit = $w->select('item');
+  my $ind;
+
+  if (@it == 0) {
+    return;
+  }
+
+  if ((scalar(@selit) == scalar(@it)) &&
+      ($selit[0] == $it[0]) && ($selit[1] == $it[1])) {
+    $w->dchars(@it, 'sel.first', 'sel.last');
+  }
+  else {
+    $ind = $w->index(@it, 'insert') + $dir;
+    $w->dchars(@it, $ind, $ind) if ($ind >= 0);
+  }
 }
 
 1;
-- 
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