DC/UI/Dockbar.pm

package DC::UI::Dockbar;

use DC::UI::Dockable;

use strict;
use utf8;

our @ISA = DC::UI::Toplevel::;

sub new {
   my $class = shift;

   my $self = $class->SUPER::new (
      border_bg => [1, 1, 1, 1],
      x         => "max",
      y         => 0,
      child     => (my $nb = DC::UI::Notebook->new (expand => 1)),
      @_,
   );

   $self->{notebook} = $nb;

   $nb->connect (page_changed => sub {
      my ($nb, $page) = @_;
      $self->update_active ($page);
      0
   });

   $self
}

# This method is which you want to call to add a Dockable
sub add_dock {
   my ($self, $dockable) = @_;
   $self->{docks}->{"$dockable"} = $dockable;
   delete $self->{dock_windows}->{"$dockable"};

   $dockable->set_dockbar ($self);

   # TODO: capture the guards to remove these connections
   $dockable->connect (dock => sub {
      my ($dockable) = @_;
      #d# warn "DOCKABLE DOCK";
      $self->dock ($dockable);
      0
   });

   $dockable->connect (undock => sub {
      my ($dockable) = @_;
      #d# warn "DOCKABLE UNDOCK";
      $self->undock ($dockable);
      0
   });

   $dockable->connect (close_dock => sub {
      my ($dockable) = @_;
      $self->remove_dock ($dockable);
      0
   });

   $self->dock ($dockable);
}

# This method will remove the dockable from the Dockbar. Which means that the
# window for this dockable is also removed (if it was undocked).
sub remove_dock {
   my ($self, $dockable) = @_;

   $self->undock_window ($dockable);
   $self->undock_notebook ($dockable);
   delete $self->{docks}->{"$dockable"};
   $dockable->set_dockbar (undef);
}

# This method makes sure the dockable is 'docked' into the Dockbar
# and eg. removes the free floating window it maybe has.
sub dock {
   my ($self, $dockable) = @_;
   $self->undock_window ($dockable);

   # here the assumption is done that $dockable is inserted at the end of the
   # notebook tabs, so that the other tabs dont have to be updated
   $self->{notebook}->add ($dockable);
   $dockable->set_dockbar_pos ($self->{notebook}->page_index ($dockable));
   $self->update_active;
}

# (private) This method updates all docked tabs and tells them whether their
# tab is 'active'.
sub update_active {
   my ($self, $page) = @_;

   unless ($page) {
      $page = $self->{notebook}->get_current_page;
   }

   for ($self->{notebook}->pages) {
      $_->set_dockbar_tab_active ($_ eq $page);
   }
}

# This method undocks the dockable (if it isn't already undocked) and
# creates a floating window for it.
sub undock {
   my ($self, $dockable) = @_;
   return if $self->{dock_windows}->{"$dockable"};

   $self->undock_notebook ($dockable);
   my $win =
      $self->{dock_windows}->{"$dockable"} =
          DC::UI::Toplevel->new (
             title => $dockable->get_title,
             child => $dockable,
             force_w => 100, force_h => 100,
             x => 100, y => 100,
             has_close_button => 1,
          );

   $win->connect (delete => sub {
      $self->dock ($dockable);
      0
   });

   $win->show;
}

# (private) This method does the cleanup stuff when the dockable is docked
# into the dockbar and had a floating window.
sub undock_window {
   my ($self, $dockable) = @_;
   my $win =
      $self->{dock_windows}->{"$dockable"}
         or return;

   $win->remove ($dockable);
   delete $self->{dock_windows}->{"$dockable"};
   $win->hide; # XXX: neccessary?
}

# (private) This method does the cleanup stuff which is neccessary when the
# dockable is removed from the notebook.
sub undock_notebook {
   my ($self, $dockable) = @_;
   $self->{notebook}->remove ($dockable);
   my $nextpage = ($self->{notebook}->pages)[0];
   $self->{notebook}->set_current_page ($nextpage)
      if $nextpage;
   $dockable->set_dockbar_pos (undef);
   $dockable->set_dockbar_tab_active (undef);
   $self->update_dockbar_positions;
}

# (private) This method updates the position of the dockables in the dockbar.
sub update_dockbar_positions {
   my ($self) = @_;
   my $i = 0;
   for ($self->{notebook}->pages) {
      $_->set_dockbar_pos ($i++);
   }
}

# Returns all Dockables of this Dockbar
sub dockables {
   my ($self) = @_;
   values %{$self->{docks}}
}

# Returns whether the dockable is currently docked. (and not
# a floating window).
sub is_docked {
   my ($self, $dockable) = @_;
   return not exists $self->{dock_windows}->{"$dockable"};
}

# switching to a page
sub user_switch_to_page {
   my ($self, $page) = @_;
   $page = $page eq '0' ? 10 : $page;

   my @tabs = $self->{notebook}->pages;

   for (my $i = 0; $i < ($page - 1); $i++) {
      shift @tabs;
   }

   my $page = shift @tabs;
   return unless $page;

   $self->{notebook}->set_current_page ($page);
}

# This method activates the tab of the dockable if it is docked.
sub select_dockable {
   my ($self, $dockable) = @_;
   return unless exists $self->{docks}->{"$dockable"};
   $self->{notebook}->set_current_page ($dockable);
}

# close current tab
sub close_current_tab {
   my ($self) = @_;
   my $curdock = $self->{notebook}->get_current_page;
   $curdock->emit ('close_dock');
}

# "activates" the current page
sub activate_current {
   my ($self) = @_;
   $self->{notebook}->get_current_page->activate
}

1
Revision:	1.7
Committed:	Wed Oct 29 16:02:10 2008 UTC (15 years, 9 months ago) by elmex
Branch:	MAIN
CVS Tags:	rel-0_9978
Changes since 1.6:	+2 -1 lines
Log Message:	fixed Alt-x tab closing problem.
#	User	Rev	Content
1	elmex	1.1	package DC::UI::Dockbar;
2	root	1.3
3	elmex	1.1	use DC::UI::Dockable;
4
5			use strict;
6			use utf8;
7
8			our @ISA = DC::UI::Toplevel::;
9
10			sub new {
11			my $class = shift;
12
13			my $self = $class->SUPER::new (
14	elmex	1.2	border_bg => [1, 1, 1, 1],
15			x => "max",
16			y => 0,
17	elmex	1.1	child => (my $nb = DC::UI::Notebook->new (expand => 1)),
18			@_,
19			);
20
21			$self->{notebook} = $nb;
22
23			$nb->connect (page_changed => sub {
24			my ($nb, $page) = @_;
25			$self->update_active ($page);
26			0
27			});
28
29			$self
30			}
31
32			# This method is which you want to call to add a Dockable
33			sub add_dock {
34			my ($self, $dockable) = @_;
35			$self->{docks}->{"$dockable"} = $dockable;
36			delete $self->{dock_windows}->{"$dockable"};
37
38			$dockable->set_dockbar ($self);
39
40			# TODO: capture the guards to remove these connections
41			$dockable->connect (dock => sub {
42			my ($dockable) = @_;
43			#d# warn "DOCKABLE DOCK";
44			$self->dock ($dockable);
45			0
46			});
47
48			$dockable->connect (undock => sub {
49			my ($dockable) = @_;
50			#d# warn "DOCKABLE UNDOCK";
51			$self->undock ($dockable);
52			0
53			});
54
55			$dockable->connect (close_dock => sub {
56			my ($dockable) = @_;
57			$self->remove_dock ($dockable);
58			0
59			});
60
61			$self->dock ($dockable);
62			}
63
64			# This method will remove the dockable from the Dockbar. Which means that the
65			# window for this dockable is also removed (if it was undocked).
66			sub remove_dock {
67			my ($self, $dockable) = @_;
68
69			$self->undock_window ($dockable);
70			$self->undock_notebook ($dockable);
71			delete $self->{docks}->{"$dockable"};
72			$dockable->set_dockbar (undef);
73			}
74
75			# This method makes sure the dockable is 'docked' into the Dockbar
76			# and eg. removes the free floating window it maybe has.
77			sub dock {
78			my ($self, $dockable) = @_;
79			$self->undock_window ($dockable);
80
81			# here the assumption is done that $dockable is inserted at the end of the
82			# notebook tabs, so that the other tabs dont have to be updated
83			$self->{notebook}->add ($dockable);
84			$dockable->set_dockbar_pos ($self->{notebook}->page_index ($dockable));
85			$self->update_active;
86			}
87
88			# (private) This method updates all docked tabs and tells them whether their
89			# tab is 'active'.
90			sub update_active {
91			my ($self, $page) = @_;
92
93			unless ($page) {
94			$page = $self->{notebook}->get_current_page;
95			}
96
97			for ($self->{notebook}->pages) {
98			$_->set_dockbar_tab_active ($_ eq $page);
99			}
100			}
101
102			# This method undocks the dockable (if it isn't already undocked) and
103			# creates a floating window for it.
104			sub undock {
105			my ($self, $dockable) = @_;
106			return if $self->{dock_windows}->{"$dockable"};
107
108			$self->undock_notebook ($dockable);
109			my $win =
110			$self->{dock_windows}->{"$dockable"} =
111			DC::UI::Toplevel->new (
112			title => $dockable->get_title,
113			child => $dockable,
114			force_w => 100, force_h => 100,
115			x => 100, y => 100,
116			has_close_button => 1,
117			);
118
119			$win->connect (delete => sub {
120			$self->dock ($dockable);
121			0
122			});
123
124			$win->show;
125			}
126
127			# (private) This method does the cleanup stuff when the dockable is docked
128			# into the dockbar and had a floating window.
129			sub undock_window {
130			my ($self, $dockable) = @_;
131			my $win =
132			$self->{dock_windows}->{"$dockable"}
133			or return;
134
135			$win->remove ($dockable);
136			delete $self->{dock_windows}->{"$dockable"};
137			$win->hide; # XXX: neccessary?
138			}
139
140			# (private) This method does the cleanup stuff which is neccessary when the
141			# dockable is removed from the notebook.
142			sub undock_notebook {
143			my ($self, $dockable) = @_;
144			$self->{notebook}->remove ($dockable);
145			my $nextpage = ($self->{notebook}->pages)[0];
146			$self->{notebook}->set_current_page ($nextpage)
147			if $nextpage;
148			$dockable->set_dockbar_pos (undef);
149			$dockable->set_dockbar_tab_active (undef);
150			$self->update_dockbar_positions;
151			}
152
153			# (private) This method updates the position of the dockables in the dockbar.
154			sub update_dockbar_positions {
155			my ($self) = @_;
156			my $i = 0;
157			for ($self->{notebook}->pages) {
158			$_->set_dockbar_pos ($i++);
159			}
160			}
161
162			# Returns all Dockables of this Dockbar
163			sub dockables {
164			my ($self) = @_;
165			values %{$self->{docks}}
166			}
167
168			# Returns whether the dockable is currently docked. (and not
169			# a floating window).
170			sub is_docked {
171			my ($self, $dockable) = @_;
172			return not exists $self->{dock_windows}->{"$dockable"};
173			}
174
175	root	1.3	# switching to a page
176	elmex	1.1	sub user_switch_to_page {
177			my ($self, $page) = @_;
178			$page = $page eq '0' ? 10 : $page;
179
180			my @tabs = $self->{notebook}->pages;
181
182			for (my $i = 0; $i < ($page - 1); $i++) {
183			shift @tabs;
184			}
185
186			my $page = shift @tabs;
187			return unless $page;
188
189			$self->{notebook}->set_current_page ($page);
190			}
191
192			# This method activates the tab of the dockable if it is docked.
193			sub select_dockable {
194			my ($self, $dockable) = @_;
195			return unless exists $self->{docks}->{"$dockable"};
196			$self->{notebook}->set_current_page ($dockable);
197			}
198
199			# close current tab
200			sub close_current_tab {
201			my ($self) = @_;
202	elmex	1.7	my $curdock = $self->{notebook}->get_current_page;
203			$curdock->emit ('close_dock');
204	elmex	1.1	}
205
206			# "activates" the current page
207			sub activate_current {
208			my ($self) = @_;
209			$self->{notebook}->get_current_page->activate
210			}
211
212			1