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=head1 NAME |
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Gtk2::CV::Schnauzer - a widget for displaying image collections |
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=head1 SYNOPSIS |
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use Gtk2::CV::Schnauzer; |
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=head1 DESCRIPTION |
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=head2 METHODS |
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=over 4 |
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=cut |
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package GCE::Map; |
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use strict; |
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use Gtk2; |
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use Crossfire; |
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use Crossfire::Gtk2; |
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use Glib::Object::Subclass |
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'Gtk2::DrawingArea'; |
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use List::Util qw(min max); |
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sub INIT_INSTANCE { |
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my ($self) = @_; |
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$self->signal_connect (destroy => sub { %{$_[0]} = () }); |
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$self->signal_connect (realize => sub { |
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my ($self) = @_; |
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$self->{window} = $self->window; |
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1 |
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}); |
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#$self->set_redraw_on_allocate (0); # nope |
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$self->double_buffered (0); |
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$self->signal_connect (size_request => sub { |
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$_[1]->width (20 * TILESIZE); |
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$_[1]->height (20 * TILESIZE); |
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1 |
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}); |
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$self->signal_connect (expose_event => sub { |
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$self->expose ($_[1]); |
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}); |
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$self->signal_connect (button_press_event => sub { |
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my ($self, $event) = @_; |
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my ($x, $y) = ($event->x, $event->y); |
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if ($_[1]->button == 2) { |
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$_[0]->grab_focus; |
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$self->{in_drag} = [$self->{x}, $self->{y}, $x, $y]; |
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return 0; |
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} |
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1 |
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}); |
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$self->signal_connect (motion_notify_event => sub { |
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my ($self) = @_; |
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my ($x, $y) = $self->get_pointer; |
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if (my $di = $self->{in_drag}) { |
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my $dx = $x - $di->[2]; |
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my $dy = $y - $di->[3]; |
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my $nx = max 0, $di->[0] - $dx; |
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my $ny = max 0, $di->[1] - $dy; |
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$self->window->scroll ($self->{x} - $nx, $self->{y} - $ny); |
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($self->{x}, $self->{y}) = ($nx, $ny); |
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return 0; |
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} |
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1; |
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}); |
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$self->signal_connect (button_release_event => sub { |
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my ($self) = @_; |
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delete $self->{in_drag}; |
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}); |
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# unnecessary redraws... |
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$self->signal_connect (focus_in_event => sub { 1 }); |
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$self->signal_connect (focus_out_event => sub { 1 }); |
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# gtk+ supports no motion compression, a major lacking feature. we have to pay for the |
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# workaround with incorrect behaviour and extra server-turnarounds. |
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$self->add_events ([qw(key_press_mask key_release_mask button_press_mask button_release_mask button-motion-mask scroll_mask pointer-motion-hint-mask)]); |
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$self->can_focus (1); |
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# $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) }); |
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} |
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sub do_size_allocate_rounded { |
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use integer; |
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$_[1]->width ($_[1]->width / TILESIZE * TILESIZE); |
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$_[1]->height ($_[1]->height / TILESIZE * TILESIZE); |
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$_[0]->signal_chain_from_overridden ($_[1]); |
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} |
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sub coord { |
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my ($self, $x, $y) = @_; |
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( |
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int $self->{x} + $x / TILESIZE, |
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int $self->{y} + $y / TILESIZE, |
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) |
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} |
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#sub handle_key { |
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# my ($self, $key, $state) = @_; |
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# |
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# $self->prefetch_cancel; |
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# |
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# if ($state * "control-mask") { |
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# if ($key == $Gtk2::Gdk::Keysyms{g}) { |
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# my @sel = keys %{$self->{sel}}; |
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# $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}}); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{a}) { |
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# $self->select_all; |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{A}) { |
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# $self->select_range ($self->{offs}, $self->{offs} + $self->{cols} * $self->{page} - 1); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{s}) { |
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# $self->rescan; |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{d}) { |
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# $self->unlink (keys %{$self->{sel}}); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{u}) { |
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# my @sel = keys %{$self->{sel}}; |
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# $self->update_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}}); |
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# |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) { |
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# $self->cursor_move (0) unless $self->cursor_valid; |
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# $self->emit_activate ($self->{cursor}); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{space}) { |
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# $self->cursor_move (1) or return 1 |
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# if $self->{cursor_current} || !$self->cursor_valid; |
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# $self->emit_activate ($self->{cursor}) if $self->cursor_valid; |
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# $self->prefetch (1); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) { |
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# $self->cursor_move (-1) or return 1; |
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# $self->emit_activate ($self->{cursor}) if $self->cursor_valid; |
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# $self->prefetch (-1); |
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# |
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# } else { |
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# return 0; |
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# } |
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# } else { |
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# if ($key == $Gtk2::Gdk::Keysyms{Page_Up}) { |
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# my $value = $self->{adj}->value; |
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# $self->{adj}->set_value ($value >= $self->{page} ? $value - $self->{page} : 0); |
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# $self->clear_cursor; |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Page_Down}) { |
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# my $value = $self->{adj}->value + $self->{page}; |
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# $self->{adj}->set_value ($value <= $self->{maxrow} ? $value : $self->{maxrow}); |
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# $self->clear_cursor; |
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# |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Home}) { |
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# $self->{adj}->set_value (0); |
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# $self->clear_cursor; |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{End}) { |
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# $self->{adj}->set_value ($self->{maxrow}); |
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# $self->clear_cursor; |
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# |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Up}) { |
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# $self->cursor_move (-$self->{cols}); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Down}) { |
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# $self->cursor_move (+$self->{cols}); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Left}) { |
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# $self->cursor_move (-1); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Right}) { |
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# $self->cursor_move (+1); |
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# |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) { |
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# $self->cursor_move (0) unless $self->cursor_valid; |
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# $self->emit_activate ($self->{cursor}); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{space}) { |
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# $self->cursor_move (1) or return 1 |
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# if $self->{cursor_current} || !$self->cursor_valid; |
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# $self->emit_activate ($self->{cursor}) if $self->cursor_valid; |
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# $self->prefetch (1); |
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# } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) { |
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# $self->cursor_move (-1) or return 1; |
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# $self->emit_activate ($self->{cursor}) if $self->cursor_valid; |
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# $self->prefetch (-1); |
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# |
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# } elsif ($key == ord '^') { |
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# $self->updir if exists $self->{dir}; |
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# |
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# } elsif (($key >= (ord '0') && $key <= (ord '9')) |
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# || ($key >= (ord 'a') && $key <= (ord 'z'))) { |
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# |
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# $key = chr $key; |
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# |
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# my ($idx, $cursor) = (0, 0); |
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# |
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# $self->clear_selection; |
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# |
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# for my $entry (@{$self->{entry}}) { |
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# $idx++; |
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# $cursor = $idx if $key gt lcfirst $entry->[1]; |
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# } |
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# |
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# if ($cursor < @{$self->{entry}}) { |
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# delete $self->{cursor_current}; |
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# $self->{sel}{$cursor} = $self->{entry}[$cursor]; |
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# $self->{cursor} = $cursor; |
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# |
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# $self->{adj}->set_value (min $self->{maxrow}, $cursor / $self->{cols}); |
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# $self->emit_sel_changed; |
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# $self->invalidate_all; |
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# } |
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# } else { |
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# return 0; |
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# } |
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# } |
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# |
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# 1 |
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#} |
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#sub invalidate { |
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# my ($self, $x1, $y1, $x2, $y2) = @_; |
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# |
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# return unless $self->{window}; |
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# |
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# $self->{draw}->queue_draw_area ( |
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# $x1 * (IW + IX), $y1 * (IH + IY), |
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# ($x2 - $x1 + 1) * (IW + IX), ($y2 - $y1 + 1) * (IH + IY), |
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# ); |
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#} |
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sub invalidate_all { |
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my ($self) = @_; |
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# $self->invalidate (0, 0, $self->{cols} - 1, $self->{page} - 1); |
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} |
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sub expose { |
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my ($self, $event) = @_; |
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no integer; |
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my $ox = $self->{x}; my $ix = int $ox / TILESIZE; |
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my $oy = $self->{y}; my $iy = int $oy / TILESIZE; |
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# get_rectangles is buggy in older versions |
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for my $area ($Gtk2::VERSION >= 1.115 ? $event->region->get_rectangles : $event->area) { |
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my ($x, $y, $w, $h) = $area->values; # x y w h |
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my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE); |
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my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE); |
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my $PB = $Crossfire::Gtk2::TILECACHE; |
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my $TC = \%Crossfire::Gtk2::TILECACHE; |
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my $window = $self->{window}; |
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my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1); |
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$pb->fill (0x00000000); |
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for my $x (@x) { |
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my $as = $self->{map}{map}[$x]; |
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for my $y (@y) { |
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for my $a (@{ $as->[$y] || [] }) { |
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my $o = $ARCH->{$a->{_name}} |
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or (warn "arch '$a->{_name}' not found at ($x|$y)\n"), next; |
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my $face = $a->{face} || $o->{face}; |
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my $tile = $TC->{$face} |
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or (warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n"), next; |
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my $idx = $tile->{idx}; # + $a->{x} * $tile->{w} + $a->{y}; |
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my $dx = ($x - $x[0]) * TILESIZE; |
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my $dy = ($y - $y[0]) * TILESIZE; |
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$PB->composite ($pb, |
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$dx, $dy, |
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TILESIZE, TILESIZE, |
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$dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 64, |
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1, 1, 'nearest', 255 |
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); |
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} |
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} |
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} |
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$pb->render_to_drawable ($window, $self->style->black_gc, |
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0, 0, |
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$x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy, |
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TILESIZE * @x, TILESIZE * @y, |
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'max', 0, 0); |
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} |
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1 |
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} |
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1.3 |
#my $win = new Gtk2::Window 'toplevel'; |
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#my $map = new GCE::Map; |
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#$win->add ($map); |
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#$win->show_all; |
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#$map->{map} = arch2map read_arch "$Crossfire::LIB/maps/mlab/university1"; |
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#main Gtk2; |
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root |
1.1 |
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=back |
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=head1 AUTHOR |
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Marc Lehmann <schmorp@schmorp.de> |
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=cut |
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1 |
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