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Diffstat (limited to 'rpmorphan-curses-lib.pl')
| -rw-r--r-- | rpmorphan-curses-lib.pl | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/rpmorphan-curses-lib.pl b/rpmorphan-curses-lib.pl new file mode 100644 index 0000000..90c218f --- /dev/null +++ b/rpmorphan-curses-lib.pl @@ -0,0 +1,501 @@ +#!/usr/bin/perl +############################################################################### +# rpmorphan-curses-lib.pl +# +# Copyright (C) 2006 by Eric Gerbier +# Bug reports to: gerbier@users.sourceforge.net +# $Id: rpmorphan-1.11 | rpmorphan-curses-lib.pl | Wed Jul 6 13:59:20 2011 +0000 | gerbier $ +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +############################################################################### +# curses gui code +############################################################################### +use strict; +use warnings; + +use English '-no_match_vars'; + +## no critic(ProhibitPackageVars) +use vars + qw( $W_list $Opt_dry_run @Liste_pac $Main_ui &display_total &insert_gui_orphans ); +## use critic + +#use Curses; # for KEY_ENTER +## no critic(RequireCheckingReturnValueOfEval) +eval { require Curses; }; +if ($EVAL_ERROR) { + die "can not find Curses package : $EVAL_ERROR\n"; +} +else { + import Curses; +} +## use critic + +#### global variable +my $flag_info = 0; # flag for info window (avoid several calls) + +######################################################### +# select all +sub curses_select_callback($) { + my $widget = shift; + + my $container = $widget->parent(); + my $listbox = $container->getobj('list_id'); + + my $pac_list = $W_list->values(); + my @pac2 = @{$pac_list}; + my @sel = ( 0 .. $#pac2 ); + $listbox->set_selection(@sel); + + # update + $listbox->draw(); + return; +} +######################################################### +# unselect all +sub curses_unselect_callback($) { + my $widget = shift; + + my $container = $widget->parent(); + my $listbox = $container->getobj('list_id'); + + $listbox->clear_selection(); + + # update + $listbox->draw(); + return; +} +######################################################### +# remove selected items +sub curses_remove_callback($) { + my $widget = shift; + + my $container = $widget->parent(); + my $listbox = $container->getobj('list_id'); + my @sel = $listbox->get(); # selected items + + my $old_pac_list = $W_list->values(); + + # a confirm dialog box + my $yes = $Main_ui->dialog( + -message => "confirm remove @sel ?", + -buttons => [ 'yes', 'no' ], + -values => [ 1, 0 ], + -title => 'Confirm', + ); + + if ($yes) { + remove_packages( \@sel, $old_pac_list ); + } + + # update + $listbox->draw(); + + return; +} +######################################################### +# display help window +sub curses_help_callback($;) { + my $this = shift @_; + + my $text = get_help_text(); + $this->root()->dialog( + -message => $text, + -buttons => ['ok'], + -title => 'help', + ); + return; +} +######################################################### +sub curses_log_callback($;) { + my $this = shift @_; + + my @l = get_log(); + + @l = ('empty') if ( !@l ); + my $l = join "\n", @l; + + $this->root()->dialog( + -message => $l, + -buttons => ['ok'], + -title => 'log', + ); + return; +} +######################################################### +# display rpm summary on the current item +sub curses_summary_callback($) { + my $widget = shift; + + my $listbox = $widget->parent()->getobj('list_id'); + my $current = $listbox->get_active_value(); + + curses_popup( get_package_summary($current) ); + return; +} +######################################################### +# display rpm info on the current item +sub curses_info_callback($) { + my $widget = shift; + + # a flag to avoid a fatal error + # only allow one call + if ($flag_info) { + return; + } + else { + $flag_info++; + } + + my $listbox = $widget->parent()->getobj('list_id'); + my $current = $listbox->get_active_value(); + + my $txt; + if ( defined $current ) { + my @res = get_package_info($current); + $txt = join "\n", @res; + } + else { + $txt = 'you should select a package'; + } + + # old version + # but the scrollbar does not work (not focusable) + # my $dialog = $listbox->root()->dialog( + # -message => $txt, + # -buttons => ['ok'], + # -title => 'info', + # -vscrollbar => 'left', + # ); + + # new version with TextViewer + my $win = $listbox->parent(); + my $textviewer = + $win->add( 'mytextviewer_id', 'TextViewer', -text => $txt, ); + + # any key will quit + $win->set_binding( \&curses_exit_text_callback, KEY_ENTER() ); + $textviewer->focus(); + return; +} +######################################################### +# called from reload button +sub curses_load_callback($) { + my $widget = shift; + + load_data(1); + return; +} +######################################################### +sub curses_exit_text_callback() { + + $flag_info--; + my $win = $Main_ui->getobj('win1_id'); + $win->delete('mytextviewer_id'); + $win->draw(); + return; +} +######################################################### +#sub curses_redraw_all() { +# +# #while (my ($id, $object) = each %{$Main_ui->{-id2object}}) { +# #curses_popup($id); +# #$object->draw(); +# #} +# my $win = $Main_ui->getobj('win1_id'); +# $Main_ui->draw(); +# $win->draw(); +# foreach my $id ('buttons_id', 'list_id', 'total_id', 'total_var_id','selected_id') { +# my $obj = $win->getobj($id); +# if ($obj ) { +# curses_popup("draw $id"); +# $obj->draw(); +# } +# } +# +# return; +#} +######################################################### +# is called when an item is selected/unselected +# and change a counter +sub curses_list_callback() { + my $widget = shift; + my $listbox = $widget->parent()->getobj('list_id'); + my @sel = $listbox->get(); # selected items + + my $nb = scalar @sel; + my $selected = $widget->parent()->getobj('selected_val_id'); + $selected->text($nb); + $selected->draw(); + + return; +} +######################################################### +# quit gui +sub curses_quit_callback($;) { + my $this = shift @_; + exit; +} +######################################################### +# display messages as a quick popup +# to be used as debuging tool for example +sub curses_popup($) { + my $message = shift @_; + + $Main_ui->status($message); + sleep 1; + $Main_ui->nostatus(); + + return; +} + +######################################################### +sub build_curses_gui() { + + # Create the root object. + $Main_ui = Curses::UI->new( + -clear_on_exit => 0, + -debug => 0, + ); + + # add a window + my $win1 = $Main_ui->add( + 'win1_id', + 'Window', + -title => build_title(), + -titlefullwidth => 1, + -border => 1, + ); + my $height = $win1->height(); + + # debug + #print "windows height : $height, width : " . $win1->width() . "\n"; + + ## no critic (ProhibitMagicNumbers) + my $margin = + 5; # 1 for top menu, 2 for status/selected and 2 for borders + ## use critic + my $min_height = 2 * $margin; + if ( $height < $min_height ) { + die "the window is too small ($height)\n"; + } + + my @buttons; + if ( is_remove_allowed($Opt_dry_run) ) { + + # I do not know how to disable the button, + # so I only add it in this mode + push @buttons, + ( + { + -label => 'Remove ', + -onpress => \&curses_remove_callback, + }, + ); + + # Bind <x> and <r> for remove + $Main_ui->set_binding( sub { curses_remove_callback($W_list) }, 'x' ); + $Main_ui->set_binding( sub { curses_remove_callback($W_list) }, 'r' ); + + } + push @buttons, + ( + { + -label => 'Info ', + -onpress => \&curses_info_callback, + }, + { + -label => 'Select_all ', + -onpress => \&curses_select_callback, + }, + { + -label => 'Unselect_all ', + -onpress => \&curses_unselect_callback, + }, + { + -label => 'Log ', + -onpress => \&curses_log_callback, + }, + { + -label => 'reLoad ', + -onpress => \&curses_load_callback, + }, + { + -label => 'Help ', + -onpress => \&curses_help_callback, + }, + { + -label => 'Quit', + -onpress => \&curses_quit_callback, + }, + ); + + $win1->add( + 'buttons_id', + 'Buttonbox', + -y => 0, + -buttons => \@buttons, + ); + + # listbox + my $list_height = $height - $margin; + $W_list = $win1->add( + 'list_id', 'Listbox', + -y => 1, + -width => 60, + -height => $list_height, + -border => 1, + -vscrollbar => 1, + -multi => 1, + -onselchange => \&curses_list_callback, + ); + + my $empty = q{}; + + # total + $win1->add( + 'total_id', + 'Label', + -text => 'total', + -x => 1, + -y => $list_height + 1, + ); + my $w_total = $win1->add( + 'total_val_id', + 'TextViewer', + -text => $empty, + -height => 1, + -width => 5, + -x => 7, + -y => $list_height + 1, + ); + + # orphans + $win1->add( + 'orphans_id', + 'Label', + -text => 'orphans', + -x => 12, + -y => $list_height + 1, + ); + my $w_orphans = $win1->add( + 'orphans_val_id', + 'TextViewer', + -text => $empty, + -height => 1, + -width => 5, + -x => 20, + -y => $list_height + 1, + ); + + # selected + $win1->add( + 'selected_id', + 'Label', + -text => 'selected', + -x => 25, + -y => $list_height + 1, + ); + my $w_selected = $win1->add( + 'selected_val_id', + 'TextViewer', + -text => $empty, + -height => 1, + -width => 4, + -x => 35, + -y => $list_height + 1, + ); + + # status + $win1->add( + 'status_id', + 'Label', + -text => 'status:', + -x => 1, + -y => $list_height + 2, + ); + my $w_status = $win1->add( + 'status_val_id', + 'TextViewer', + -text => $empty, + -height => 1, + -width => 50, + -x => 9, + -y => $list_height + 2, + ); + + # begin on list + $W_list->focus(); + + # Bind <i> for info + $Main_ui->set_binding( sub { curses_info_callback($W_list) }, 'i' ); + + # S for summary + $Main_ui->set_binding( sub { curses_summary_callback($W_list) }, 'S' ); + + # Bind <s> for select + $Main_ui->set_binding( sub { curses_select_callback($W_list) }, 's' ); + + # Bind <u> for unselect + $Main_ui->set_binding( sub { curses_unselect_callback($W_list) }, 'u' ); + + # Bind <l> for log + $Main_ui->set_binding( sub { curses_log_callback($W_list) }, 'l' ); + + # Bind <h> for help + $Main_ui->set_binding( sub { curses_help_callback($W_list) }, 'h' ); + + # Bind <L> for reload + $Main_ui->set_binding( sub { curses_load_callback($W_list) }, 'L' ); + + # Bind <q> to quit. + $Main_ui->set_binding( sub { exit }, 'q' ); + + # for debuging + #$Main_ui->set_binding( sub { dump_struct() }, 'd' ); + + # common gui subroutines with different coding + ############################################## + *insert_gui_orphans = sub { + $W_list->values(@_); + $W_list->draw(); + + # display orphans total + my $nb = scalar @_; + $w_orphans->text($nb); + $w_orphans->draw(); + + # reset selected + $w_selected->text(0); + $w_selected->draw(); + }; + + *display_status = sub { + my $text = shift @_; + debug($text); + + $w_status->text($text); + $w_status->draw(); + }; + + *display_total = sub { + + # display orphans total + my $nb = scalar @Liste_pac; + $w_total->text($nb); + $w_total->draw(); + }; + + return; +} +######################################################### +1; |