Deliantra-Client/DC/MapWidget.pm

package CFClient::MapWidget;

use strict;
use utf8;

use List::Util qw(min max);

use CFClient::OpenGL;

our @ISA = CFClient::UI::Base::;

sub new {
   my $class = shift;

   $class->SUPER::new (
      z         => -1,
      can_focus => 1,
      list      => glGenList,
      @_
   )
}

sub DESTROY {
   my $self = shift;

   glDeleteList $self->{list};

   $self->SUPER::DESTROY;
}

sub button_down {
   my ($self, $ev, $x, $y) = @_;

   $self->focus_in;

   if ($ev->{button} == 2) {
      my ($ox, $oy) = ($ev->{x}, $ev->{y});
      my ($bw, $bh) = ($::CFG->{map_shift_x}, $::CFG->{map_shift_y});

      $self->{motion} = sub {
         my ($ev, $x, $y) = @_;

         ($x, $y) = ($ev->{x}, $ev->{y});

         $::CFG->{map_shift_x} = $bw + $x - $ox;
         $::CFG->{map_shift_y} = $bh + $y - $oy;

         $self->update;
      };
   }
}

sub button_up {
   my ($self, $ev, $x, $y) = @_;

   delete $self->{motion};
}

sub mouse_motion {
   my ($self, $ev, $x, $y) = @_;

   $self->{motion}->($ev, $x, $y) if $self->{motion};
}

sub size_request {
   (
      1 + 32 * int $::WIDTH  / 32,
      1 + 32 * int $::HEIGHT / 32,
   )
}

sub update {
   my ($self) = @_;

   $self->{need_update} = 1;
   $self->SUPER::update;
}

sub draw {
   my ($self) = @_;

   if (delete $self->{need_update}) {
      glNewList $self->{list};

      if ($::MAP) {
         my $sw = int $::WIDTH  / (32 * $::CFG->{map_scale});
         my $sh = int $::HEIGHT / (32 * $::CFG->{map_scale});

         glScale $::CFG->{map_scale}, $::CFG->{map_scale};

         my $sx = $::CFG->{map_shift_x} / $::CFG->{map_scale}; my $sx0 = $sx & 31; $sx = ($sx - $sx0) / 32;
         my $sy = $::CFG->{map_shift_y} / $::CFG->{map_scale}; my $sy0 = $sy & 31; $sy = ($sy - $sy0) / 32;

         glTranslate $sx0 - 32, $sy0 - 32, 0;

         my ($w, $h, $data) = $::MAP->draw ($sx, $sy, 0, 0, $sw + 1, $sh + 1);

         if ($::CFG->{fow_enable}) {
            if ($::CFG->{fow_smooth} && $CFClient::GL_VERSION >= 1.2) { # smooth fog of war
               glConvolutionParameter (GL_CONVOLUTION_2D, GL_CONVOLUTION_BORDER_MODE, GL_CONSTANT_BORDER);
               glConvolutionFilter2D (
                  GL_CONVOLUTION_2D,
                  GL_ALPHA,
                  3, 3,
                  GL_ALPHA, GL_FLOAT,
                  pack "f*",
                     0.05, 0.13, 0.05,
                     0.13, 0.30, 0.13,
                     0.05, 0.13, 0.05,
               );
               glEnable GL_CONVOLUTION_2D;
            }

            $self->{fow_texture} = new CFClient::Texture
               w              => $w,
               h              => $h,
               data           => $data,
               internalformat => GL_ALPHA,
               format         => GL_ALPHA;

            glDisable GL_CONVOLUTION_2D if $::CFG->{fow_smooth};

            glEnable GL_BLEND;
            glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
            glEnable GL_TEXTURE_2D;
            glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;

            glColor +($::CFG->{fow_intensity}) x 3, 0.8;
            $self->{fow_texture}->draw_quad (0, 0, $w * 32, $h * 32);

            glDisable GL_TEXTURE_2D;
            glDisable GL_BLEND;
         }

         # HACK BEGIN
         {
           glTranslate -($sx0 - 32), -($sy0 - 32), 0;#remove

           glTranslate 0, 30;
           my ($w, $h) = (250, 250);

           my ($ox, $oy) = ($::MAP->ox, $::MAP->oy);

           glEnable GL_BLEND;
           glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
           glEnable GL_TEXTURE_2D;
           glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;

           $self->{mapmap_texture} =
              new CFClient::Texture
                 w    => $w,
                 h    => $h,
                 data => $::MAP->mapmap (- $w * 0.5, - $h * 0.5, $w, $h),
                 type => $CFClient::GL_VERSION >= 1.2 ? GL_UNSIGNED_INT_8_8_8_8_REV : GL_UNSIGNED_BYTE;

           $self->{mapmap_texture}->draw_quad (0, 0);

           glDisable GL_TEXTURE_2D;

           glTranslate 0.375, 0.375;

           glColor 1, 1, 0, 1;
           glBegin GL_LINE_LOOP;
           glVertex $w * 0.5 - $sx      , $h * 0.5 - $sy      ;
           glVertex $w * 0.5 - $sx      , $h * 0.5 - $sy + $sh;
           glVertex $w * 0.5 - $sx + $sw, $h * 0.5 - $sy + $sh;
           glVertex $w * 0.5 - $sx + $sw, $h * 0.5 - $sy      ;
           glEnd;
           
           glDisable GL_BLEND;
         }
         # HACK END
      }

      glEndList;
   }

   glPushMatrix;
   glCallList $self->{list};
   glPopMatrix;

   if ($CFClient::UI::FOCUS != $self) {
      glColor 64/255, 64/255, 64/255;
      glLogicOp GL_AND;
      glEnable GL_COLOR_LOGIC_OP;
      glBegin GL_QUADS;
      glVertex 0, 0;
      glVertex 0, $::HEIGHT;
      glVertex $::WIDTH, $::HEIGHT;
      glVertex $::WIDTH, 0;
      glEnd;
      glDisable GL_COLOR_LOGIC_OP;
   }
}

my %DIR = (
   CFClient::SDLK_KP8, [1, "north"],
   CFClient::SDLK_KP9, [2, "northeast"],
   CFClient::SDLK_KP6, [3, "east"],
   CFClient::SDLK_KP3, [4, "southeast"],
   CFClient::SDLK_KP2, [5, "south"],
   CFClient::SDLK_KP1, [6, "southwest"],
   CFClient::SDLK_KP4, [7, "west"],
   CFClient::SDLK_KP7, [8, "northwest"],

   CFClient::SDLK_UP,    [1, "north"],
   CFClient::SDLK_RIGHT, [3, "east"],
   CFClient::SDLK_DOWN,  [5, "south"],
   CFClient::SDLK_LEFT,  [7, "west"],
);

sub key_down {
   my ($self, $ev) = @_;

   my $mod = $ev->{mod};
   my $sym = $ev->{sym};

   if ($sym == CFClient::SDLK_KP5) {
      $::CONN->user_send ("stay fire");
   } elsif ($sym == ord ",") {
      $::CONN->user_send ("take");
   } elsif ($sym == ord "a") {
      $::CONN->user_send ("apply");
   } elsif ($sym == ord "'") {
      $self->emit ('activate_console');
   } elsif ($sym == ord "/") {
      $self->emit (activate_console => '/');
   } elsif (exists $DIR{$sym}) {
      if ($mod & CFClient::KMOD_SHIFT) {
         $self->{shft}++;
         $::CONN->user_send ("fire $DIR{$sym}[0]");
      } elsif ($mod & CFClient::KMOD_CTRL) {
         $self->{ctrl}++;
         $::CONN->user_send ("run $DIR{$sym}[0]");
      } else {
         $::CONN->user_send ("$DIR{$sym}[1]");
      }
   } elsif ($ev->{unicode}) {
      $self->{command_widget} ||=
         new CFClient::MapWidget::Command::
            command => $self->{command},
            can_focus       => 1,
            connect_execute => sub {
               # todo: support callback instead of user_send
               $::CONN->user_send ($_[1][1]);
            },
            connect_close => sub {
               (delete $self->{command_widget})->hide;
               $self->focus_in;
            },
      ;
      $self->{command_widget}->key_down ($ev);
      return unless $self->{command_widget};
      $self->{command_widget}->show;
      $self->{command_widget}->focus_in;
   }
}

sub key_up {
   my ($self, $ev) = @_;

   my $mod = $ev->{mod};
   my $sym = $ev->{sym};

   if (!($mod & CFClient::KMOD_SHIFT) && delete $self->{shft}) {
      $::CONN->user_send ("fire_stop");
   }
   if (!($mod & CFClient::KMOD_CTRL ) && delete $self->{ctrl}) {
      $::CONN->user_send ("run_stop");
   }
}

sub add_command {
   my ($self, $command, $tooltip, $widget, $cb) = @_;

   (my $abbrev = $command) =~ s/(\S)[^[:space:]_]*[[:space:]_]+/$1/g;

   push @{$self->{command}}, [$abbrev, $command, $tooltip, $widget, $cb];
}

package CFClient::MapWidget::Command;

use strict;

use CFClient::OpenGL;

our @ISA = CFClient::UI::VBox::;

sub new {
   my $class = shift;

   my $self = $class->SUPER::new (
      @_,
      children => [map
         CFClient::UI::Label->new (
            can_hover  => 1,
            can_events => 1,
            fontsize   => $_,
         ), 1, 1, 0.8, 0.8, 0.8, 0.8, 0.8
      ],
   );

   $self
}

sub size_allocate {
   my ($self, $w, $h) = @_;

   $self->SUPER::size_allocate ($w, $h);
   $self->move (($::WIDTH - $w) * 0.5, ($::HEIGHT - $h) * 0.6, 10);
}

sub update_labels {
   my ($self) = @_;

   my $command = $self->{command};
   my $search_abbrev = qr/^\Q$self->{search}/;
   my $search_full   = qr/\Q$self->{search}/;

   my @found;

   for (@$command) {
      if ($_->[0] =~ $search_abbrev) {
         push @found, [$_->[0], $_];
      } elsif ($_[1] =~ $search_full) {
         push @found, [$_->[1], $_];
      }
   }

   @found = sort { $a->[0] cmp $b->[0] } @found;

   $self->{children}[0]->set_text ("$self->{search}_");

   for (0..5) {
      $self->{children}[$_ + 1]->set_text ($found[$_] ? "$found[$_][0] ($found[$_][1][1])" : "");
      $self->{children}[$_ + 1]{tooltip} = ($found[$_] ? $found[$_][1][2] : "");
   }

   $self->{select} = $found[0][1]
      if @found;

   if (@found > 6) {
      $self->{children}[6]->set_text ("...");
   }

   $self->check_size;
}

sub key_down {
   my ($self, $ev) = @_;

   if ($ev->{sym} == 8) {
      substr $self->{search}, -1, 1, "";
      $self->update_labels;
   } elsif ($ev->{sym} == 13) {
      if (exists $self->{select}) {
         $self->emit (execute => $self->{select});
         $self->emit ("close");
      }
   } elsif ($ev->{sym} == 27) {
      $self->emit ("close");
      return;
   } elsif ((chr $ev->{unicode}) =~ /^[[:alpha:]]$/) {
      $self->{search} .= chr $ev->{unicode};
      $self->update_labels;
   }

   length $self->{search}
      or $self->emit ("close");
}

1
Revision:	1.14
Committed:	Mon Apr 24 11:54:26 2006 UTC (18 years, 1 month ago) by root
Branch:	MAIN
Changes since 1.13:	+3 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	package CFClient::MapWidget;
2
3			use strict;
4	root	1.14	use utf8;
5	root	1.1
6			use List::Util qw(min max);
7
8	root	1.4	use CFClient::OpenGL;
9	root	1.1
10			our @ISA = CFClient::UI::Base::;
11
12			sub new {
13			my $class = shift;
14
15			$class->SUPER::new (
16			z => -1,
17			can_focus => 1,
18	root	1.4	list => glGenList,
19	root	1.1	@_
20			)
21			}
22
23	root	1.4	sub DESTROY {
24			my $self = shift;
25
26			glDeleteList $self->{list};
27
28			$self->SUPER::DESTROY;
29			}
30
31	root	1.1	sub button_down {
32			my ($self, $ev, $x, $y) = @_;
33
34			$self->focus_in;
35
36	root	1.5	if ($ev->{button} == 2) {
37			my ($ox, $oy) = ($ev->{x}, $ev->{y});
38	root	1.1	my ($bw, $bh) = ($::CFG->{map_shift_x}, $::CFG->{map_shift_y});
39
40			$self->{motion} = sub {
41			my ($ev, $x, $y) = @_;
42
43	root	1.5	($x, $y) = ($ev->{x}, $ev->{y});
44	root	1.1
45			$::CFG->{map_shift_x} = $bw + $x - $ox;
46			$::CFG->{map_shift_y} = $bh + $y - $oy;
47
48			$self->update;
49			};
50			}
51			}
52
53			sub button_up {
54			my ($self, $ev, $x, $y) = @_;
55
56			delete $self->{motion};
57			}
58
59			sub mouse_motion {
60			my ($self, $ev, $x, $y) = @_;
61
62			$self->{motion}->($ev, $x, $y) if $self->{motion};
63			}
64
65			sub size_request {
66			(
67			1 + 32 * int $::WIDTH / 32,
68			1 + 32 * int $::HEIGHT / 32,
69			)
70			}
71
72			sub update {
73			my ($self) = @_;
74
75			$self->{need_update} = 1;
76			$self->SUPER::update;
77			}
78
79			sub draw {
80			my ($self) = @_;
81
82			if (delete $self->{need_update}) {
83	root	1.4	glNewList $self->{list};
84	root	1.1
85			if ($::MAP) {
86	root	1.9	my $sw = int $::WIDTH / (32 * $::CFG->{map_scale});
87			my $sh = int $::HEIGHT / (32 * $::CFG->{map_scale});
88	root	1.1
89	root	1.9	glScale $::CFG->{map_scale}, $::CFG->{map_scale};
90
91			my $sx = $::CFG->{map_shift_x} / $::CFG->{map_scale}; my $sx0 = $sx & 31; $sx = ($sx - $sx0) / 32;
92			my $sy = $::CFG->{map_shift_y} / $::CFG->{map_scale}; my $sy0 = $sy & 31; $sy = ($sy - $sy0) / 32;
93	root	1.1
94			glTranslate $sx0 - 32, $sy0 - 32, 0;
95
96			my ($w, $h, $data) = $::MAP->draw ($sx, $sy, 0, 0, $sw + 1, $sh + 1);
97
98			if ($::CFG->{fow_enable}) {
99			if ($::CFG->{fow_smooth} && $CFClient::GL_VERSION >= 1.2) { # smooth fog of war
100			glConvolutionParameter (GL_CONVOLUTION_2D, GL_CONVOLUTION_BORDER_MODE, GL_CONSTANT_BORDER);
101			glConvolutionFilter2D (
102			GL_CONVOLUTION_2D,
103			GL_ALPHA,
104			3, 3,
105			GL_ALPHA, GL_FLOAT,
106			pack "f*",
107	root	1.7	0.05, 0.13, 0.05,
108			0.13, 0.30, 0.13,
109			0.05, 0.13, 0.05,
110	root	1.1	);
111			glEnable GL_CONVOLUTION_2D;
112			}
113
114			$self->{fow_texture} = new CFClient::Texture
115			w => $w,
116			h => $h,
117			data => $data,
118			internalformat => GL_ALPHA,
119			format => GL_ALPHA;
120
121			glDisable GL_CONVOLUTION_2D if $::CFG->{fow_smooth};
122
123			glEnable GL_BLEND;
124			glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
125			glEnable GL_TEXTURE_2D;
126			glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE;
127
128	root	1.7	glColor +($::CFG->{fow_intensity}) x 3, 0.8;
129	root	1.1	$self->{fow_texture}->draw_quad (0, 0, $w * 32, $h * 32);
130
131			glDisable GL_TEXTURE_2D;
132			glDisable GL_BLEND;
133			}
134
135			# HACK BEGIN
136			{
137			glTranslate -($sx0 - 32), -($sy0 - 32), 0;#remove
138	root	1.6
139			glTranslate 0, 30;
140	root	1.1	my ($w, $h) = (250, 250);
141
142	root	1.6	my ($ox, $oy) = ($::MAP->ox, $::MAP->oy);
143
144	root	1.1	glEnable GL_BLEND;
145			glBlendFunc GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA;
146			glEnable GL_TEXTURE_2D;
147			glTexEnv GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE;
148
149			$self->{mapmap_texture} =
150			new CFClient::Texture
151			w => $w,
152			h => $h,
153	root	1.6	data => $::MAP->mapmap (- $w * 0.5, - $h * 0.5, $w, $h),
154	root	1.1	type => $CFClient::GL_VERSION >= 1.2 ? GL_UNSIGNED_INT_8_8_8_8_REV : GL_UNSIGNED_BYTE;
155
156	root	1.6	$self->{mapmap_texture}->draw_quad (0, 0);
157	root	1.1
158			glDisable GL_TEXTURE_2D;
159	root	1.6
160			glTranslate 0.375, 0.375;
161
162			glColor 1, 1, 0, 1;
163			glBegin GL_LINE_LOOP;
164			glVertex $w * 0.5 - $sx , $h * 0.5 - $sy ;
165			glVertex $w * 0.5 - $sx , $h * 0.5 - $sy + $sh;
166			glVertex $w * 0.5 - $sx + $sw, $h * 0.5 - $sy + $sh;
167			glVertex $w * 0.5 - $sx + $sw, $h * 0.5 - $sy ;
168			glEnd;
169
170	root	1.1	glDisable GL_BLEND;
171			}
172			# HACK END
173			}
174
175			glEndList;
176			}
177
178			glPushMatrix;
179			glCallList $self->{list};
180			glPopMatrix;
181
182			if ($CFClient::UI::FOCUS != $self) {
183			glColor 64/255, 64/255, 64/255;
184			glLogicOp GL_AND;
185			glEnable GL_COLOR_LOGIC_OP;
186			glBegin GL_QUADS;
187			glVertex 0, 0;
188			glVertex 0, $::HEIGHT;
189			glVertex $::WIDTH, $::HEIGHT;
190			glVertex $::WIDTH, 0;
191			glEnd;
192			glDisable GL_COLOR_LOGIC_OP;
193			}
194			}
195
196			my %DIR = (
197	root	1.3	CFClient::SDLK_KP8, [1, "north"],
198			CFClient::SDLK_KP9, [2, "northeast"],
199			CFClient::SDLK_KP6, [3, "east"],
200			CFClient::SDLK_KP3, [4, "southeast"],
201			CFClient::SDLK_KP2, [5, "south"],
202			CFClient::SDLK_KP1, [6, "southwest"],
203			CFClient::SDLK_KP4, [7, "west"],
204			CFClient::SDLK_KP7, [8, "northwest"],
205
206			CFClient::SDLK_UP, [1, "north"],
207			CFClient::SDLK_RIGHT, [3, "east"],
208			CFClient::SDLK_DOWN, [5, "south"],
209			CFClient::SDLK_LEFT, [7, "west"],
210	root	1.1	);
211
212			sub key_down {
213			my ($self, $ev) = @_;
214
215	root	1.5	my $mod = $ev->{mod};
216			my $sym = $ev->{sym};
217	root	1.1
218	root	1.3	if ($sym == CFClient::SDLK_KP5) {
219	root	1.1	$::CONN->user_send ("stay fire");
220	root	1.14	} elsif ($sym == ord ",") {
221			$::CONN->user_send ("take");
222	root	1.3	} elsif ($sym == ord "a") {
223	root	1.1	$::CONN->user_send ("apply");
224	root	1.3	} elsif ($sym == ord "'") {
225	root	1.1	$self->emit ('activate_console');
226	root	1.3	} elsif ($sym == ord "/") {
227	root	1.8	$self->emit (activate_console => '/');
228	root	1.1	} elsif (exists $DIR{$sym}) {
229	root	1.3	if ($mod & CFClient::KMOD_SHIFT) {
230	root	1.1	$self->{shft}++;
231			$::CONN->user_send ("fire $DIR{$sym}[0]");
232	root	1.3	} elsif ($mod & CFClient::KMOD_CTRL) {
233	root	1.1	$self->{ctrl}++;
234			$::CONN->user_send ("run $DIR{$sym}[0]");
235			} else {
236			$::CONN->user_send ("$DIR{$sym}[1]");
237			}
238	root	1.8	} elsif ($ev->{unicode}) {
239			$self->{command_widget} \|\|=
240			new CFClient::MapWidget::Command::
241			command => $self->{command},
242			can_focus => 1,
243			connect_execute => sub {
244	root	1.11	# todo: support callback instead of user_send
245			$::CONN->user_send ($_[1][1]);
246	root	1.8	},
247			connect_close => sub {
248			(delete $self->{command_widget})->hide;
249			$self->focus_in;
250			},
251			;
252			$self->{command_widget}->key_down ($ev);
253	root	1.12	return unless $self->{command_widget};
254	root	1.8	$self->{command_widget}->show;
255			$self->{command_widget}->focus_in;
256	root	1.1	}
257			}
258
259			sub key_up {
260			my ($self, $ev) = @_;
261
262	root	1.5	my $mod = $ev->{mod};
263			my $sym = $ev->{sym};
264	root	1.1
265	root	1.3	if (!($mod & CFClient::KMOD_SHIFT) && delete $self->{shft}) {
266	root	1.1	$::CONN->user_send ("fire_stop");
267			}
268	root	1.3	if (!($mod & CFClient::KMOD_CTRL ) && delete $self->{ctrl}) {
269	root	1.1	$::CONN->user_send ("run_stop");
270			}
271			}
272
273	root	1.2	sub add_command {
274	root	1.11	my ($self, $command, $tooltip, $widget, $cb) = @_;
275	root	1.2
276	root	1.3	(my $abbrev = $command) =~ s/(\S)[^[:space:]_]*[[:space:]_]+/$1/g;
277	root	1.8
278	root	1.11	push @{$self->{command}}, [$abbrev, $command, $tooltip, $widget, $cb];
279	root	1.8	}
280
281			package CFClient::MapWidget::Command;
282
283			use strict;
284
285			use CFClient::OpenGL;
286
287			our @ISA = CFClient::UI::VBox::;
288
289			sub new {
290			my $class = shift;
291
292			my $self = $class->SUPER::new (
293			@_,
294			children => [map
295			CFClient::UI::Label->new (
296	root	1.11	can_hover => 1,
297			can_events => 1,
298			fontsize => $_,
299	root	1.8	), 1, 1, 0.8, 0.8, 0.8, 0.8, 0.8
300			],
301			);
302
303			$self
304			}
305
306			sub size_allocate {
307			my ($self, $w, $h) = @_;
308
309			$self->SUPER::size_allocate ($w, $h);
310			$self->move (($::WIDTH - $w) * 0.5, ($::HEIGHT - $h) * 0.6, 10);
311			}
312
313			sub update_labels {
314			my ($self) = @_;
315
316			my $command = $self->{command};
317			my $search_abbrev = qr/^\Q$self->{search}/;
318			my $search_full = qr/\Q$self->{search}/;
319
320			my @found;
321
322			for (@$command) {
323			if ($_->[0] =~ $search_abbrev) {
324			push @found, [$_->[0], $_];
325			} elsif ($_[1] =~ $search_full) {
326			push @found, [$_->[1], $_];
327			}
328			}
329
330			@found = sort { $a->[0] cmp $b->[0] } @found;
331
332			$self->{children}[0]->set_text ("$self->{search}_");
333
334			for (0..5) {
335			$self->{children}[$_ + 1]->set_text ($found[$_] ? "$found[$_][0] ($found[$_][1][1])" : "");
336	root	1.11	$self->{children}[$_ + 1]{tooltip} = ($found[$_] ? $found[$_][1][2] : "");
337	root	1.8	}
338
339	root	1.11	$self->{select} = $found[0][1]
340	root	1.8	if @found;
341
342			if (@found > 6) {
343			$self->{children}[6]->set_text ("...");
344			}
345
346			$self->check_size;
347			}
348
349			sub key_down {
350			my ($self, $ev) = @_;
351
352			if ($ev->{sym} == 8) {
353			substr $self->{search}, -1, 1, "";
354			$self->update_labels;
355			} elsif ($ev->{sym} == 13) {
356			if (exists $self->{select}) {
357			$self->emit (execute => $self->{select});
358			$self->emit ("close");
359			}
360			} elsif ($ev->{sym} == 27) {
361			$self->emit ("close");
362	root	1.13	return;
363	root	1.10	} elsif ((chr $ev->{unicode}) =~ /^[[:alpha:]]$/) {
364	root	1.8	$self->{search} .= chr $ev->{unicode};
365			$self->update_labels;
366			}
367	root	1.10
368			length $self->{search}
369			or $self->emit ("close");
370	root	1.2	}
371
372	root	1.1	1