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- # Functions that handle calling dialog(1) -*-perl-*-
-
- # Return values are 1 for success and 0 for failure (or cancel)
- # Resultant text (if any) is in dialog_result
-
- # Unfortunately, the guage requires use of /bin/sh to get going.
- # I didn't bother to make the others shell-free, although it
- # would be simple to do.
-
- # Note that dialog generally returns 0 for success, so I invert the
- # sense of the return code for more readable boolean expressions.
-
- $scr_lines = 24;
-
- require "flush.pl";
-
- sub rhs_clear {
- return system("dialog --clear");
- }
-
- sub rhs_textbox {
- local ( $title, $file, $width, $height ) = @_;
-
- system("dialog --title \"$title\" --textbox $file $height $width");
-
- return 1;
- }
-
- sub rhs_msgbox {
- local ( $title, $message, $width ) = @_;
- local ( $tmp, $height, $message_len );
-
- $message = &rhs_wordwrap($message, $width);
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
- $height = 4 + $message_len;
-
- $tmp = system("dialog --title \"$title\" --msgbox \"$message\" $height $width");
- if ($tmp) {
- return 0;
- } else {
- return 1;
- }
- }
-
- sub rhs_infobox {
- local ( $title, $message, $width ) = @_;
- local ( $tmp, $height, $message_len );
-
- $message = &rhs_wordwrap($message, $width);
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
- $height = 2 + $message_len;
-
- return system("dialog --title \"$title\" --infobox \"$message\" $height $width");
- }
-
- sub rhs_yesno {
- local ( $title, $message, $width ) = @_;
- local ( $tmp, $height, $message_len );
-
- $message = &rhs_wordwrap($message, $width);
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
- $height = 4 + $message_len;
-
- $tmp = system("dialog --title \"$title\" --yesno \"$message\" $height $width");
- # Dumb: dialog returns 0 for "yes" and 1 for "no"
- if (! $tmp) {
- return 1;
- } else {
- return 0;
- }
- }
-
- sub rhs_guage {
- local ( $title, $message, $width, $percent ) = @_;
- local ( $tmp, $height, $message_len );
-
- $guage_width = $width;
-
- $message = &rhs_wordwrap($message, $width);
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
- $height = 5 + $message_len;
-
- open(GUAGE, "|dialog --title \"$title\" --guage \"$message\" $height $width $percent");
- }
-
- sub rhs_update_guage {
- local ( $percent ) = @_;
-
- &printflush(GUAGE, "$percent\n");
- }
-
- sub rhs_update_guage_and_message {
- local ( $message, $percent ) = @_;
-
- $message = &rhs_wordwrap($message, $guage_width);
- $message =~ s/\n/\\n/g;
- &printflush(GUAGE, "XXX\n$percent\n$message\nXXX\n");
- }
-
- sub rhs_stop_guage {
- close GUAGE;
- }
-
- sub rhs_inputbox {
- local ( $title, $message, $width, $instr ) = @_;
- local ( $tmp, $height, $message_len );
-
- $message = &rhs_wordwrap($message, $width);
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
- $height = 7 + $message_len;
-
- return &return_output(0, "dialog --title \"$title\" --inputbox \"$message\" $height $width \"$instr\"");
- }
-
- sub rhs_menu {
- local ( $title, $message, $width, $numitems ) = @_;
- local ( $i, $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- shift; shift; shift; shift;
-
- @list = ();
- for ($i = 0; $i < $numitems; $i++) {
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $ent = shift;
- $list[@list] = "\"$ent\"";
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
-
- return &return_output(0, "dialog --title \"$title\" --menu \"$message\" $height $width $menuheight @list");
- }
-
- sub rhs_menul {
- local ( $title, $message, $width, $numitems ) = @_;
- local ( $i, $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- shift; shift; shift; shift;
-
- @list = ();
- for ($i = 0; $i < $numitems; $i++) {
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $list[@list] = "\"\"";
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
-
- return &return_output(0, "dialog --title \"$title\" --menu \"$message\" $height $width $menuheight @list");
- }
-
- sub rhs_menua {
- local ( $title, $message, $width, %items ) = @_;
- local ( $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- @list = ();
- foreach $ent (sort keys (%items)) {
- $list[@list] = "\"$ent\"";
- $list[@list] = "\"$items{$ent}\"";
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $numitems = keys(%items);
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
-
- return &return_output(0, "dialog --title \"$title\" --menu \"$message\" $height $width $menuheight @list");
- }
-
- sub rhs_checklist {
- local ( $title, $message, $width, $numitems ) = @_;
- local ( $i, $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- shift; shift; shift; shift;
-
- @list = ();
- for ($i = 0; $i < $numitems; $i++) {
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $ent = shift;
- if ($ent) {
- $list[@list] = "ON";
- } else {
- $list[@list] = "OFF";
- }
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
-
- return &return_output("list", "dialog --title \"$title\" --separate-output --checklist \"$message\" $height $width $menuheight @list");
- }
-
- sub rhs_checklistl {
- local ( $title, $message, $width, $numitems ) = @_;
- local ( $i, $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- shift; shift; shift; shift;
-
- @list = ();
- for ($i = 0; $i < $numitems; $i++) {
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $list[@list] = "\"\"";
- $list[@list] = "OFF";
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
- return &return_output("list", "dialog --title \"$title\" --separate-output --checklist \"$message\" $height $width $menuheight @list");
- }
-
- sub rhs_checklista {
- local ( $title, $message, $width, %items ) = @_;
- local ( $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- shift; shift; shift; shift;
-
- @list = ();
- foreach $ent (sort keys (%items)) {
- $list[@list] = "\"$ent\"";
- $list[@list] = "\"$items{$ent}\"";
- $list[@list] = "OFF";
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $numitems = keys(%items);
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
-
- return &return_output("list", "dialog --title \"$title\" --separate-output --checklist \"$message\" $height $width $menuheight @list");
- }
-
- sub rhs_radiolist {
- local ( $title, $message, $width, $numitems ) = @_;
- local ( $i, $tmp, $ent, $height, $menuheight, @list, $message_len );
-
- shift; shift; shift; shift;
-
- @list = ();
- for ($i = 0; $i < $numitems; $i++) {
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $ent = shift;
- $list[@list] = "\"$ent\"";
- $ent = shift;
- if ($ent) {
- $list[@list] = "ON";
- } else {
- $list[@list] = "OFF";
- }
- }
-
- $message = &rhs_wordwrap($message, $width);
-
- $message_len = split(/^/, $message);
- $tmp = $message;
- if (chop($tmp) eq "\n") {
- $message_len++;
- }
-
- $height = $message_len + 6 + $numitems;
- if ($height <= $scr_lines) {
- $menuheight = $numitems;
- } else {
- $height = $scr_lines;
- $menuheight = $scr_lines - $message_len - 6;
- }
-
- return &return_output(0 , "dialog --title \"$title\" --radiolist \"$message\" $height $width $menuheight @list");
- }
-
- sub return_output {
- local ( $listp, $command ) = @_;
- local ( $res );
-
- open(SAVESTDERR, ">&STDERR");
- open(STDERR, ">/tmp/dialogout");
- $res = system($command);
- close(STDERR);
- open(STDERR, ">&SAVESTDERR");
-
- open(IN, "/tmp/dialogout");
- if ($listp) {
- @dialog_result = ();
- while (<IN>) {
- chop;
- $dialog_result[@dialog_result] = $_;
- }
- } else {
- $dialog_result = <IN>;
- }
- close(IN);
- unlink("/tmp/dialogout");
-
- # Again, dialog returns results backwards
- if (! $res) {
- return 1;
- } else {
- return 0;
- }
- }
-
- sub rhs_wordwrap {
- local ( $intext, $width ) = @_;
- local ( $outtext, $i, $j, @lines, $wrap, @words, $pos, $pad );
-
- $outtext = "";
- $pad = 3; # leave 3 spaces around each line
- $pos = $pad; # current insert position
- $wrap = 0; # 1 if we have been auto wraping
- $insert_nl = 0; # 1 if we just did an absolute
- # and we should preface any new text
- # with a new line
- @lines = split(/\n/, $intext);
- for ($i = 0; $i <= $#lines; $i++) {
- if ($lines[$i] =~ /^>/) {
- $outtext .= "\n" if ($insert_nl);
- $outtext .= "\n" if ($wrap);
- $lines[$i] =~ /^>(.*)$/;
- $outtext .= $1;
- $insert_nl = 1;
- $wrap = 0;
- $pos = $pad;
- } else {
- $wrap = 1;
- @words = split(/\s+/,$lines[$i]);
- for ($j = 0; $j <= $#words; $j++) {
- if ($insert_nl) {
- $outtext .= "\n";
- $insert_nl = 0;
- }
- if ((length($words[$j]) + $pos) > $width - $pad) {
- $outtext .= "\n";
- $pos = $pad;
- }
- $outtext .= $words[$j] . " ";
- $pos += length($words[$j]) + 1;
- }
- }
- }
-
- return $outtext;
- }
-
- ############
- 1;
-