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from gi.repository import Gtk
from gi.repository import Gdk
from gi.repository import GObject
from gi.repository import Vte
from gi.repository import Pango
from gi.repository import GtkSource
from gettext import gettext as _
from sugar3.graphics.icon import Icon
from port.style import font_zoom
from sugar3.graphics import style
from sugar3.graphics.toolbutton import ToolButton
SIZE_X = Gdk.Screen.width()
SIZE_Y = Gdk.Screen.height()
class TabLabel(Gtk.HBox):
__gsignals__ = {
'tab-close': (GObject.SignalFlags.RUN_FIRST,
None,
([GObject.TYPE_PYOBJECT])),
}
def __init__(self, child, label):
GObject.GObject.__init__(self)
self.child = child
self._label = Gtk.Label(label=label)
self._label.set_alignment(0, 0.5)
self.pack_start(self._label, True, True, 5)
self._label.show()
button = ToolButton("close-tab")
button.connect('clicked', self.__button_clicked_cb)
self.pack_start(button, False, True, 0)
button.show()
self._close_button = button
def set_text(self, title):
self._label.set_text(title)
def update_size(self, size):
self.set_size_request(size, -1)
def hide_close_button(self):
self._close_button.hide()
def show_close_button(self):
self._close_button.show()
def __button_clicked_cb(self, button):
self.emit('tab-close', self.child)
"""
AddNotebook
-----------
This subclass has a add button which emits tab-added on clicking the
button.
"""
class AddNotebook(Gtk.Notebook):
__gsignals__ = {
'tab-added': (GObject.SignalFlags.RUN_FIRST,
None,
([])),
}
def __init__(self):
Gtk.Notebook.__init__(self)
self._add_tab = ToolButton("gtk-add")
self._add_tab.connect("clicked", self._add_tab_cb)
self._add_tab.show()
self.set_action_widget(self._add_tab, Gtk.PackType.END)
def _add_tab_cb(self, button):
self.emit("tab-added")
class SourceNotebook(AddNotebook):
def __init__(self, activity):
AddNotebook.__init__(self)
self.activity = activity
self.add_tab()
def add_tab(self, label=None):
# Set text_buffer
text_buffer = GtkSource.Buffer()
lang_manager = GtkSource.LanguageManager.get_default()
if hasattr(lang_manager, 'list_languages'):
langs = lang_manager.list_languages()
else:
lang_ids = lang_manager.get_language_ids()
langs = [lang_manager.get_language(lang_id)
for lang_id in lang_ids]
for lang in langs:
for m in lang.get_mime_types():
if m == "text/x-python":
text_buffer.set_language(lang)
if hasattr(text_buffer, 'set_highlight'):
text_buffer.set_highlight(True)
else:
text_buffer.set_highlight_syntax(True)
# Set up SourceView
text_view = GtkSource.View()
text_view.set_buffer(text_buffer)
text_view.set_size_request(0, int(SIZE_Y * 0.5))
text_view.set_editable(True)
text_view.set_cursor_visible(True)
text_view.set_show_line_numbers(True)
text_view.set_wrap_mode(Gtk.WrapMode.CHAR)
text_view.set_insert_spaces_instead_of_tabs(True)
text_view.set_tab_width(2)
text_view.set_auto_indent(True)
text_view.modify_font(
Pango.FontDescription("Monospace " +
str(font_zoom(style.FONT_SIZE))))
codesw = Gtk.ScrolledWindow()
codesw.set_policy(Gtk.PolicyType.AUTOMATIC,
Gtk.PolicyType.AUTOMATIC)
codesw.add(text_view)
tabdex = self.get_n_pages()
if label:
tablabel = TabLabel(codesw, label)
else:
tablabel = TabLabel(codesw,
_("New Source File %d" % tabdex))
tablabel.connect("tab-close", self._tab_closed_cb)
codesw.show_all()
index = self.append_page(codesw,
tablabel)
self.props.page = index # Set new page as active tab
def get_text_buffer(self):
tab = self.get_nth_page(self.get_current_page()).get_children()
text_buffer = tab[0].get_buffer()
return text_buffer
def get_text_view(self):
tab = self.get_nth_page(self.get_current_page()).get_children()
text_view = tab[0]
return text_view
def child_exited_cb(self, *args):
"""Called whenever a child exits. If there's a handler, runadd it."""
h, self.activity._child_exited_handler = \
self.activity._child_exited_handler, None
if h is not None:
h()
def _tab_closed_cb(self, notebook, child):
index = self.page_num(child)
self.remove_page(index)
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