gri3-wm/gtk-tree-watch.pl

220 lines
5.9 KiB
Perl
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#!/usr/bin/env perl
# vim:ts=4:sw=4:expandtab
# renders the layout tree using asymptote
use strict;
use warnings;
use JSON::XS;
use Data::Dumper;
use AnyEvent::I3;
use v5.10;
use Gtk2 '-init';
use Gtk2::SimpleMenu;
use Glib qw/TRUE FALSE/;
my $window = Gtk2::Window->new('toplevel');
$window->signal_connect('delete_event' => sub { Gtk2->main_quit; });
my $tree_store = Gtk2::TreeStore->new(qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/, qw/Glib::String/);
my $i3 = i3("/tmp/nestedcons");
my $tree_view = Gtk2::TreeView->new($tree_store);
my $layout_box = undef;
sub copy_node {
my ($n, $parent, $piter, $pbox) = @_;
my $o = ($n->{orientation} == 0 ? "u" : ($n->{orientation} == 1 ? "h" : "v"));
my $w = (defined($n->{window}) ? $n->{window} : "N");
# convert a rectangle struct to X11 notation (WxH+X+Y)
my $r = $n->{rect};
my $x = $r->{x};
my $y = $r->{y};
my $dim = $r->{width}."x".$r->{height}.($x<0?$x:"+$x").($y<0?$y:"+$y");
# add node to the tree with all known properties
my $iter = $tree_store->append($piter);
$tree_store->set($iter, 0 => $n->{name}, 1 => $w, 2 => $o, 3 => sprintf("0x%08x", $n->{id}), 4 => $n->{urgent}, 5 => $n->{focused}, 6 => $n->{layout}, 7 => $dim);
# also create a box for the node, each node has a vbox
# for combining the title (and properties) with the
# container itself, the container will be empty in case
# of no children, a vbox or hbox
my $box;
if($n->{orientation} == 1) {
$box = Gtk2::HBox->new(1, 5);
} else {
$box = Gtk2::VBox->new(1, 5);
}
# combine label and container
my $node = Gtk2::Frame->new($n->{name}.",".$o.",".$w);
$node->set_shadow_type('etched-out');
$node->add($box);
# the parent is added onto a scrolled window, so add it with a viewport
if(defined($pbox)) {
$pbox->pack_start($node, 1, 1, 0);
} else {
$layout_box = $node;
}
# recurse into children
copy_node($_, $n, $iter, $box) for @{$n->{nodes}};
# if it is a window draw a nice color
if(defined($n->{window})) {
# use a drawing area to fill a colored rectangle
my $area = Gtk2::DrawingArea->new();
# the color is stored as hex in the name
$area->{"user-data"} = $n->{name};
$area->signal_connect(expose_event => sub {
my ($widget, $event) = @_;
# fetch a cairo context and it width/height to start drawing nodes
my $cr = Gtk2::Gdk::Cairo::Context->create($widget->window());
my $w = $widget->allocation->width;
my $h = $widget->allocation->height;
my $hc = $widget->{"user-data"};
my $r = hex(substr($hc, 1, 2)) / 255.0;
my $g = hex(substr($hc, 3, 2)) / 255.0;
my $b = hex(substr($hc, 5, 2)) / 255.0;
$cr->set_source_rgb($r, $g, $b);
$cr->rectangle(0, 0, $w, $h);
$cr->fill();
return FALSE;
});
$box->pack_end($area, 1, 1, 0);
}
}
# Replaced by Gtk2 Boxes:
#sub draw_node {
# my ($n, $cr, $x, $y, $w, $h) = @_;
#
# $cr->set_source_rgb(1.0, 1.0, 1.0);
# $cr->rectangle($x, $y, $w/2, $h/2);
# $cr->fill();
#}
my $json_prev = "";
my $layout_sw = Gtk2::ScrolledWindow->new(undef, undef);
my $layout_container = Gtk2::HBox->new(0, 0);
$layout_sw->add_with_viewport($layout_container);
sub copy_tree {
my $tree = $i3->get_workspaces->recv;
# convert the tree back to json so we only rebuild/redraw when the tree is changed
my $json = encode_json($tree);
if ($json ne $json_prev) {
$json_prev = $json;
# rebuild the tree and the layout
$tree_store->clear();
if(defined($layout_box)) {
$layout_container->remove($layout_box);
}
copy_node($tree);
$layout_container->add($layout_box);
$layout_container->show_all();
# keep things expanded, otherwise the tree collapses every reload which is more annoying then this :-)
$tree_view->expand_all();
}
return(TRUE);
}
sub new_column {
my $tree_column = Gtk2::TreeViewColumn->new();
$tree_column->set_title(shift);
my $renderer = Gtk2::CellRendererText->new();
$tree_column->pack_start($renderer, FALSE);
$tree_column->add_attribute($renderer, text => shift);
return($tree_column);
}
my $col = 0;
$tree_view->append_column(new_column("Name", $col++));
$tree_view->append_column(new_column("Window", $col++));
$tree_view->append_column(new_column("Orientation", $col++));
$tree_view->append_column(new_column("ID", $col++));
$tree_view->append_column(new_column("Urgent", $col++));
$tree_view->append_column(new_column("Focused", $col++));
$tree_view->append_column(new_column("Layout", $col++));
$tree_view->append_column(new_column("Rect", $col++));
$tree_view->set_grid_lines("both");
my $tree_sw = Gtk2::ScrolledWindow->new(undef, undef);
$tree_sw->add($tree_view);
# Replaced by Gtk2 Boxes:
#my $area = Gtk2::DrawingArea->new();
#$area->signal_connect(expose_event => sub {
# my ($widget, $event) = @_;
#
# # fetch a cairo context and it width/height to start drawing nodes
# my $cr = Gtk2::Gdk::Cairo::Context->create($widget->window());
#
# my $w = $widget->allocation->width;
# my $h = $widget->allocation->height;
#
# draw_node($gtree, $cr, 0, 0, $w, $h);
#
# return FALSE;
#});
sub menu_export {
print("TODO: EXPORT\n");
}
my $menu_tree = [
_File => {
item_type => '<Branch>',
children => [
_Export => {
callback => \&menu_export,
accelerator => '<ctrl>E',
},
_Quit => {
callback => sub { Gtk2->main_quit; },
accelerator => '<ctrl>Q',
},
],
},
];
my $menu = Gtk2::SimpleMenu->new(menu_tree => $menu_tree);
my $vbox = Gtk2::VBox->new(0, 0);
$vbox->pack_start($menu->{widget}, 0, 0, 0);
$vbox->pack_end($tree_sw, 1, 1, 0);
$vbox->pack_end($layout_sw, 1, 1, 0);
$window->add($vbox);
$window->show_all();
$window->set_size_request(500,500);
Glib::Timeout->add(1000, "copy_tree", undef, Glib::G_PRIORITY_DEFAULT);
copy_tree();
Gtk2->main();