package my_gtk; use diagnostics; use strict; use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK $border @grabbed); @ISA = qw(Exporter); %EXPORT_TAGS = ( helpers => [ qw(create_okcancel createScrolledWindow create_menu create_notebook create_packtable create_hbox create_vbox create_adjustment create_box_with_title create_treeitem) ], wrappers => [ qw(gtksignal_connect gtkpack gtkpack_ gtkpack__ gtkappend gtkadd gtktext_insert gtkset_usize gtkset_justify gtkset_active gtkshow gtkdestroy gtkset_mousecursor gtkset_background gtkset_default_fontset) ], ask => [ qw(ask_warn ask_okcancel ask_yesorno ask_from_entry ask_from_list ask_file) ], ); $EXPORT_TAGS{all} = [ map { @$_ } values %EXPORT_TAGS ]; @EXPORT_OK = map { @$_ } values %EXPORT_TAGS; use Gtk; use c; use common qw(:common :functional); my $forgetTime = 1000; #- in milli-seconds $border = 5; 1; #-############################################################################### #- OO stuff #-############################################################################### sub new { my ($type, $title, %opts) = @_; Gtk->init; my $o = bless { %opts }, $type; $o->_create_window($title); while (my $e = shift @tempory::objects) { $e->destroy } push @interactive::objects, $o unless $opts{no_interactive_objects}; top(@grabbed)->grab_remove if @grabbed; push(@grabbed, $o->{rwindow}), $o->{rwindow}->grab_add if $my_gtk::grab || $o->{grab}; $o; } sub main($;$) { my ($o, $f) = @_; $o->show; do { local $::setstep = 1; Gtk->main } while ($o->{retval} && $f && !&$f()); $o->destroy; $o->{retval} } sub show($) { my ($o) = @_; $o->{window}->show; $o->{rwindow}->show; } sub destroy($) { my ($o) = @_; (pop @grabbed)->grab_remove if @grabbed; top(@grabbed)->grab_add if @grabbed; $o->{rwindow}->destroy; flush(); } sub DESTROY { goto &destroy } sub sync($) { my ($o) = @_; show($o); flush(); } sub flush(;$) { Gtk->main_iteration while Gtk->events_pending; } sub bigsize($) { $_[0]{rwindow}->set_usize(600,400); } sub gtkshow($) { $_[0]->show; $_[0] } sub gtkdestroy($) { $_[0] and $_[0]->destroy } sub gtkset_usize($$$) { $_[0]->set_usize($_[1],$_[2]); $_[0] } sub gtkset_justify($$) { $_[0]->set_justify($_[1]); $_[0] } sub gtkset_active($$) { $_[0]->set_active($_[1]); $_[0] } sub gtksignal_connect($@) { my $w = shift; $w->signal_connect(@_); $w } sub gtkpack($@) { my $box = shift; gtkpack_($box, map { 1, $_} @_); } sub gtkpack__($@) { my $box = shift; gtkpack_($box, map { 0, $_} @_); } sub gtkpack_($@) { my $box = shift; for (my $i = 0; $i < @_; $i += 2) { my $l = $_[$i + 1]; ref $l or $l = new Gtk::Label($l); $box->pack_start($l, $_[$i], 1, 0); $l->show; } $box } sub gtkappend($@) { my $w = shift; foreach (@_) { my $l = $_; ref $l or $l = new Gtk::Label($l); $w->append($l); $l->show; } $w } sub gtkadd($@) { my $w = shift; foreach (@_) { my $l = $_; ref $l or $l = new Gtk::Label($l); $w->add($l); $l->show; } $w } sub gtktext_insert($$) { my ($w, $t) = @_; $w->backward_delete($w->get_length); $w->insert(undef, undef, undef, "$t\n"); #- needs \n otherwise in case of one line text the beginning is not shown (even with the vadj->set_value) $w->set_word_wrap(1); $w->vadj->set_value(0); $w; } sub gtkroot { Gtk->init; Gtk::Gdk::Window->new_foreign(Gtk::Gdk->ROOT_WINDOW); } sub gtkcolor($$$) { my ($r, $g, $b) = @_; my $color = bless {}, 'Gtk::Gdk::Color'; $color->red ($r); $color->green($g); $color->blue ($b); gtkroot()->get_colormap->color_alloc($color); } sub gtkset_mousecursor($) { my ($type) = @_; gtkroot()->set_cursor(Gtk::Gdk::Cursor->new($type)); } sub gtkset_background { my ($r, $g, $b) = @_; my $root = gtkroot(); my $gc = Gtk::Gdk::GC->new($root); my $color = gtkcolor($r, $g, $b); $gc->set_foreground($color); $root->set_background($color); my ($h, $w) = $root->get_size; $root->draw_rectangle($gc, 1, 0, 0, $w, $h); } sub gtkset_default_fontset($) { my ($fontset) = @_; my $style = Gtk::Widget->get_default_style; my $f = Gtk::Gdk::Font->fontset_load($fontset) or die ''; $style->font($f); Gtk::Widget->set_default_style($style); } #-############################################################################### #- createXXX functions #- these functions return a widget #-############################################################################### sub create_okcancel($;$$) { my ($w, $ok, $cancel) = @_; gtkadd(create_hbox(), gtksignal_connect($w->{ok} = new Gtk::Button($ok || _("Ok")), "clicked" => $w->{ok_clicked} || sub { $w->{retval} = 1; Gtk->main_quit }), ($ok xor $cancel) ? () : gtksignal_connect(new Gtk::Button($cancel || _("Cancel")), "clicked" => $w->{cancel_clicked} || sub { $w->{retval} = 0; Gtk->main_quit }), ); } sub create_box_with_title($@) { my $o = shift; $o->{box} = (@_ <= 2 && (map { split "\n" } @_) > 6) ? gtkpack(new Gtk::VBox(0,0), gtkset_usize(createScrolledWindow(gtktext_insert(new Gtk::Text, join "\n", @_)), 400, 250)) : gtkpack_(new Gtk::VBox(0,0), (map { my $w = ref $_ ? $_ : new Gtk::Label($_); $w->set_name("Title"); 0, $w; } map { ref $_ ? $_ : warp_text($_) } @_), 0, new Gtk::HSeparator, ); } sub createScrolledWindow($) { my ($W) = @_; my $w = new Gtk::ScrolledWindow(undef, undef); $w->set_policy('automatic', 'automatic'); member(ref $W, qw(Gtk::CList Gtk::CTree Gtk::Text)) ? $w->add($W) : $w->add_with_viewport($W); $W->show; $w } sub create_menu($@) { my $title = shift; my $w = new Gtk::MenuItem($title); $w->set_submenu(gtkshow(gtkappend(new Gtk::Menu, @_))); $w } sub add2notebook { my ($n, $title, $book) = @_; my ($w1, $w2) = map { new Gtk::Label($_) } $title, $title; $book->{widget_title} = $w1; $n->append_page_menu($book, $w1, $w2); $book->show; $w1->show; $w2->show; } sub create_notebook(@) { my $n = new Gtk::Notebook; add2notebook($n, splice(@_, 0, 2)) while @_; $n } sub create_adjustment($$$) { my ($val, $min, $max) = @_; new Gtk::Adjustment($val, $min, $max + 1, 1, ($max - $min + 1) / 10, 1); } sub create_packtable($@) { my $options = shift; my $w = new Gtk::Table(0, 0, $options->{homogeneous} || 0); map_index { my ($i) = @_; map_index { my ($j) = @_; if (defined $_) { ref $_ or $_ = new Gtk::Label($_); $w->attach_defaults($_, $j, $j + 1, $i, $i + 1); $_->show; } } @$_; } @_; $w->set_col_spacings($options->{col_spacings} || 0); $w->set_row_spacings($options->{row_spacings} || 0); $w } sub create_hbox { my $w = new Gtk::HButtonBox; $w->set_layout(-spread); $w; } sub create_vbox { my $w = new Gtk::VButtonBox; $w->set_layout(-spread); $w; } sub _create_window($$) { my ($o, $title) = @_; my $w = new Gtk::Window; my $f = new Gtk::Frame(undef); $w->set_name("Title"); if ($::isStandalone || $o->{no_border} || 1) { # hack gtkadd($w, $f); } else { my $t = new Gtk::Table(0, 0, 0); my $new = sub { my $w = new Gtk::DrawingArea; $w->set_usize($border, $border); $w->set_events(['exposure_mask']); $w->signal_connect_after(expose_event => sub { $w->window->draw_rectangle($w->style->black_gc, 1, 0, 0, @{$w->allocation}[2,3]); 1 } ); $w->show; $w; }; $t->attach(&$new(), 0, 1, 0, 3, [], , ["expand","fill"], 0, 0); $t->attach(&$new(), 1, 2, 0, 1, ["expand","fill"], [], 0, 0); $t->attach($f, 1, 2, 1, 2, ["expand","fill"], ["expand","fill"], 0, 0); $t->attach(&$new(), 1, 2, 2, 3, ["expand","fill"], [], 0, 0); $t->attach(&$new(), 2, 3, 0, 3, [], ["expand","fill"], 0, 0); gtkadd($w, $t); } $w->set_title($title); $w->signal_connect(expose_event => sub { c::XSetInputFocus($w->window->XWINDOW); }) if $my_gtk::force_focus || $o->{force_focus}; $w->signal_connect(delete_event => sub { undef $o->{retval}; Gtk->main_quit }); $w->set_uposition(@{$my_gtk::force_position || $o->{force_position}}) if $my_gtk::force_position || $o->{force_position}; $w->signal_connect("key_press_event" => sub { my $d = ${{ 65481 => 'next', 65480 => 'previous' }}{$_[1]->{keyval}} or return; my $s = $::o->{step}; do { $s = $::o->{steps}{$s}{$d} } until !$s || $::o->{steps}{$s}{reachable}; $::setstep && $s and die "setstep $s\n"; }); $w->signal_connect(size_allocate => sub { my ($wi, $he) = @{$_[1]}[2,3]; my ($X, $Y, $Wi, $He) = @{$my_gtk::force_center || $o->{force_center}}; $w->set_uposition(max(0, $X + ($Wi - $wi) / 2), max(0, $Y + ($He - $he) / 2)); }) if ($my_gtk::force_center || $o->{force_center}) && !($my_gtk::force_position || $o->{force_position}) ; $o->{window} = $f; $o->{rwindow} = $w; } my ($next_child, $left, $right, $up, $down); { my $next_child = sub { my ($c, $dir) = @_; my @childs = $c->parent->children; my $i; for ($i = 0; $i < @childs; $i++) { last if $childs[$i] == $c || $childs[$i]->subtree == $c; } $i += $dir; 0 <= $i && $i < @childs ? $childs[$i] : undef; }; $left = sub { &$next_child($_[0]->parent, 0); }; $right = sub { my ($c) = @_; if ($c->subtree) { $c->expand; ($c->subtree->children)[0]; } else { $c; } }; $down = sub { my ($c) = @_; return &$right($c) if ref $c eq "Gtk::TreeItem" && $c->subtree && $c->expanded; if (my $n = &$next_child($c, 1)) { $n; } else { return if ref $c->parent ne 'Gtk::Tree'; &$down($c->parent); } }; $up = sub { my ($c) = @_; if (my $n = &$next_child($c, -1)) { $n = ($n->subtree->children)[-1] while ref $n eq "Gtk::TreeItem" && $n->subtree && $n->expanded; $n; } else { return if ref $c->parent ne 'Gtk::Tree'; &$left($c); } }; } sub create_treeitem($) { my ($name) = @_; my $w = new Gtk::TreeItem($name); $w->signal_connect(key_press_event => sub { my (undef, $e) = @_; local $_ = chr ($e->{keyval} & 0xff); if ($e->{keyval} > 0x100) { my $n; $n = &$left($w) if /[Q�\x96]/; $n = &$right($w) if /[S�\x98]/; $n = &$up($w) if /[R�\x97]/; $n = &$down($w) if /[T�\x99]/; if ($n) { $n->focus('up'); $w->signal_emit_stop("key_press_event"); } $w->expand if /[+�]/; $w->collapse if /[-\xad]/; do { $w->expanded ? $w->collapse : $w->expand; $w->signal_emit_stop("key_press_event"); } if /[\r\x8d]/; } 1; }); $w; } #-############################################################################### #- ask_XXX #- just give a title and some args, and it will return the value given by the user #-############################################################################### sub ask_warn { my $w = my_gtk->new(shift @_); $w->_ask_warn(@_); main($w); } sub ask_yesorno { my $w = my_gtk->new(shift @_); $w->_ask_okcancel(@_, _("Yes"), _("No")); main($w); } sub ask_okcancel { my $w = my_gtk->new(shift @_); $w->_ask_okcancel(@_, _("Is this correct?"), _("Ok"), _("Cancel")); main($w); } sub ask_from_entry { my $w = my_gtk->new(shift @_); $w->_ask_from_entry(@_); main($w); } sub ask_from_list { my $w = my_gtk->new($_[0]); $w->_ask_from_list(@_); main($w); } sub ask_file { my $w = my_gtk->new(''); $w->_ask_file(@_); main($w); } sub _ask_from_entry($$@) { my ($o, @msgs) = @_; my $entry = new Gtk::Entry; my $f = sub { $o->{retval} = $entry->get_text; Gtk->main_quit }; $o->{ok_clicked} = $f; $o->{cancel_clicked} = sub { undef $o->{retval}; Gtk->main_quit }; gtkadd($o->{window}, gtkpack($o->create_box_with_title(@msgs), gtksignal_connect($entry, 'activate' => $f), ($o->{hide_buttons} ? () : create_okcancel($o))), ); $entry->grab_focus(); } sub _ask_from_list { my ($o, $title, $messages, $l, $def) = @_; my (undef, @okcancel) = ref $title ? @$title : $title; my $list = new Gtk::CList(1); my ($first_time, $starting_word, $start_reg) = (1, '', "^"); my (@widgets, $timeout, $curr); my $leave = sub { $o->{retval} = $l->[$curr]; Gtk->main_quit }; my $select = sub { $list->focus_row($_[0]); $list->select_row($_[0], 0); $list->moveto($_[0], 0, 0.5, 0); }; ref $title && !@okcancel ? $list->signal_connect(button_release_event => $leave) : $list->signal_connect(button_press_event => sub { &$leave if $_[1]{type} =~ /^2/ }); $list->signal_connect(select_row => sub { my ($w, $row, undef, $e) = @_; $curr = $row; }); $list->signal_connect(key_press_event => sub { my ($w, $e) = @_; my $c = chr $e->{keyval}; Gtk->timeout_remove($timeout) if $timeout; $timeout = ''; if ($e->{keyval} >= 0x100) { &$leave if $c eq "\r" || $c eq "\x8d"; $starting_word = '' if $e->{keyval} != 0xffe4; # control } else { if ($e->{state} & 4) { #- control pressed $c eq "s" or return 1; $start_reg and $start_reg = '', return 1; $curr++; } else { &$leave if $c eq ' '; $curr++ if $starting_word eq '' || $starting_word eq $c; $starting_word .= $c unless $starting_word eq $c; } my $word = quotemeta $starting_word; my $j; for ($j = 0; $j < @$l; $j++) { $l->[($j + $curr) % @$l] =~ /$start_reg$word/i and last; } $j == @$l ? $starting_word = '' : &$select(($j + $curr) % @$l); $w->{timeout} = $timeout = Gtk->timeout_add($forgetTime, sub { $timeout = $starting_word = ''; 0 } ); } 1; }); $list->set_selection_mode('browse'); $list->set_column_auto_resize(0, 1); $o->{ok_clicked} = $leave; $o->{cancel_clicked} = sub { $o->destroy; die "ask_from_list cancel" }; #- make sure windows doesn't live any more. gtkadd($o->{window}, gtkpack($o->create_box_with_title(@$messages), gtkpack_(new Gtk::VBox(0,7), 1, @$l > 15 ? gtkset_usize(createScrolledWindow($list), 200, 280) : $list, @okcancel || !ref $title ? (0, create_okcancel($o, @okcancel)) : ()) )); $o->show; #- otherwise the moveto is not done my $toselect; map_index { $list->append($_); $toselect = $::i if $def && $_ eq $def; } @$l; &$select($toselect); $list->grab_focus; } sub _ask_warn($@) { my ($o, @msgs) = @_; gtkadd($o->{window}, gtkpack($o->create_box_with_title(@msgs), gtksignal_connect(my $w = new Gtk::Button(_("Ok")), "clicked" => sub { Gtk->main_quit }), ), ); $w->grab_focus(); } sub _ask_okcancel($@) { my ($o, @msgs) = @_; my ($ok, $cancel) = splice @msgs, -2; gtkadd($o->{window}, gtkpack(create_box_with_title($o, @msgs), create_okcancel($o, $ok, $cancel), ) ); $o->{ok}->grab_focus(); } sub _ask_file($$) { my ($o, $title) = @_; my $f = $o->{rwindow} = new Gtk::FileSelection $title; $f->ok_button->signal_connect(clicked => sub { $o->{retval} = $f->get_filename ; Gtk->main_quit }); $f->cancel_button->signal_connect(clicked => sub { Gtk->main_quit }); $f->hide_fileop_buttons; } #-############################################################################### #- rubbish #-############################################################################### #-sub label_align($$) { #- my $w = shift; #- local $_ = shift; #- $w->set_alignment(!/W/i, !/N/i); #- $w #-}