X-Git-Url: http://git.shiar.net/descalc.git/blobdiff_plain/4e1d9535fda6685e53ce570ca4e4cd6c260f55d3:/04_disp_slang.pm..090ac304afe801cb3e72ced0941ff2a874a98cc9:/03_disp_slang.pm

diff --git a/04_disp_slang.pm b/03_disp_slang.pm
similarity index 52%
rename from 04_disp_slang.pm
rename to 03_disp_slang.pm
index 90dccf6..6d8c62d 100644
--- a/04_disp_slang.pm
+++ b/03_disp_slang.pm
@@ -1,24 +1,31 @@
 # s-lang output for DCT, by Shiar
 
+# 1.13.0 200411042100 - menu i/o functions
+#                     - refresh hook renamed to showall
 # 1.12.0 200411032145 - define main loop
 #                     - use slang key reading functions
-# 1.11.0 200410291300 - 
+# 1.11.0 200410291300 - basic output using Term::Slang (ported from Curses)
 
 use strict;
 use warnings;
 
 use Term::Slang qw(:all);
 
+use vars qw(%falias $path);
+require $path."termcommon.pm";
+
 push @{$hook{init}}, sub {
 	SLtt_get_terminfo and exit;
 	SLang_init_tty(-1, 0, 1);
 	SLsmg_init_smg;
+	SLtt_set_color(1, 0, 'black', 'lightgray');
 	
 	END { SLsmg_reset_smg; SLang_reset_tty; } # shutdown display system
 
 	# where are $SLtt_Screen_Rows and $SLtt_Screen_Cols?
 	($set{height}, $set{width}) = SLtt_get_screen_size;
-	$set{height} -= 2;
+	$set{height} -= 3;
+	$set{menushow} = int($set{width}/(4+$set{width}/20))+1;  # menu items to show simultaneously
 }; # init
 
 push @{$hook{showerror}}, sub {
@@ -42,11 +49,46 @@ push @{$hook{showstack}}, sub {
 	SLsmg_erase_eol;
 }; # showstack
 
-push @{$hook{refresh}}, sub {
+push @{$hook{showmenu}}, sub {
+	SLsmg_gotorc($set{height}+2, 1);
+	SLsmg_erase_eol;
+	my $nr = -1;
+	for (grep exists $menu[0][$_], $menu[0][0]+1..$menu[0][0]+$set{menushow}) {
+		$nr++;
+		next unless defined $menu[0][$_];
+		my $sub = (my $s = $menu[0][$_]) =~ s/>[\w ]+$//;
+		SLsmg_gotorc($set{height}+2, $set{width}/$set{menushow}*$nr);
+		SLsmg_write_string($_);
+		SLsmg_reverse_video; # reverse
+		SLsmg_write_string($s);
+		SLsmg_normal_video;
+		SLsmg_write_string('>') if $sub;  # indicate submenu
+	} # display menu txts
+}; # showmenu
+
+$action{more} = [-1, sub {
+	$menu[0][0] += $set{menushow};
+	$menu[0][0] = 0 if $menu[0][0] > @{$menu[0]};
+	$_->() for @{$hook{showmenu}};
+}]; # tab
+
+unshift @{$hook{precmd}}, sub {
+	exists $falias{$_} or return;  # handle function key
+	if ($falias{$_}==0) {
+		shift @menu if @menu>1;  # remove current submenu
+		redraw(menu=>1);
+		return 1;
+	} # escape (go to parent)
+	$_ = $menu[0][$falias{$_}] and return;  # execute found menu item instead
+	error("no such menu entry");
+	return 1;
+}; # precmd
+
+push @{$hook{showall}}, sub {
 	SLsmg_cls;
 	SLsmg_gotorc($set{height}+1, 0);
 	SLsmg_write_string("> ");  # prompt
-}; # refresh
+}; # showall
 
 push @{$hook{showentry}}, sub {
 	SLsmg_gotorc($set{height}+1, 2);
@@ -71,6 +113,6 @@ $hook{main} = sub {
 return {
 	author  => "Shiar",
 	title   => "slang output",
-	version => "1.12",
+	version => "1.13",
 };