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authorPascal Rigaux <pixel@mandriva.com>2005-08-31 15:54:05 +0000
committerPascal Rigaux <pixel@mandriva.com>2005-08-31 15:54:05 +0000
commitfd771f8a0ff1cbdcfdb0640206cf927251c899be (patch)
tree382041b791e419e7fe97bf9619ec25e92673e64f
parent22f21bc9e0d0172b383fb70ccdb4457652c0cffd (diff)
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allow ScrolledWindow around TextView to be automatically scrolled down on new text insert
-rw-r--r--perl-install/mygtk2.pm26
1 files changed, 24 insertions, 2 deletions
diff --git a/perl-install/mygtk2.pm b/perl-install/mygtk2.pm
index d8120240d..74a8921c7 100644
--- a/perl-install/mygtk2.pm
+++ b/perl-install/mygtk2.pm
@@ -414,6 +414,8 @@ sub _gtk__ScrolledWindow {
$w->set_policy(delete $opts->{h_policy} || 'automatic', delete $opts->{v_policy} || 'automatic');
}
+ my $faked_w = $w;
+
if (my $child = delete $opts->{child}) {
if (member(ref($child), qw(Gtk2::Layout Gtk2::Text Gtk2::TextView Gtk2::TreeView))) {
$w->add($child);
@@ -426,11 +428,15 @@ sub _gtk__ScrolledWindow {
$w->child->set_shadow_type(delete $opts->{shadow_type}) if exists $opts->{shadow_type};
+ if (ref($child) eq 'Gtk2::TextView' && delete $opts->{to_bottom}) {
+ $child->{to_bottom} = _allow_scroll_TextView_to_bottom($w, $child);
+ }
+
if ($action eq 'gtknew' && ref($child) =~ /Gtk2::TextView|Gtk2::TreeView/) {
- $w = gtknew('Frame', shadow_type => 'in', child => $w);
+ $faked_w = gtknew('Frame', shadow_type => 'in', child => $w);
}
}
- $w;
+ $faked_w;
}
sub _gtk__Frame {
@@ -881,6 +887,8 @@ sub _text_insert {
$buffer->set_text($t);
}
}
+ $textview->{to_bottom}->() if $textview->{to_bottom};
+
#- the following line is needed to move the cursor to the beginning, so that if the
#- textview has a scrollbar, it will not scroll to the bottom when focusing (#3633)
$buffer->place_cursor($buffer->get_start_iter);
@@ -890,6 +898,20 @@ sub _text_insert {
$textview;
}
+sub _allow_scroll_TextView_to_bottom {
+ my ($scrolledWindow, $textView) = @_;
+
+ $textView->get_buffer->create_mark('end', $textView->get_buffer->get_end_iter, 0);
+ sub {
+ my $new_scroll = $scrolledWindow->get_vadjustment->get_value;
+ $textView->{no_scroll_down} ||= $new_scroll < ($textView->{prev_scroll} || 0);
+ $textView->{prev_scroll} = $new_scroll;
+ if (!$textView->{no_scroll_down}) {
+ $textView->scroll_to_mark($textView->get_buffer->get_mark('end'), 0, 1, 0, 1);
+ }
+ };
+}
+
sub set_main_window_size {
my ($window) = @_;
my ($width, $height) = $::isInstall ? ($::real_windowwidth, $::real_windowheight) : $::isWizard ? (540, 360) : (600, 400);