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''' Simple lirc setup tool - common parts of view components '''
import sys
import gi
from gi.repository import Gtk # pylint: disable=no-name-in-module
gi.require_version('Gtk', '3.0')
def _hasitem(dict_, key_):
''' Test if dict contains a non-null value for key. '''
return key_ in dict_ and dict_[key_]
def on_window_delete_event_cb(window, event):
''' Generic window close event. '''
window.hide()
return True
class Baseview(object):
''' Common parts in MVC view components. '''
def __init__(self, view):
self.connected = set()
self.builder = view.builder
def test_and_set_connected(self, window_id):
''' Test and set window_id in self.connected. '''
if window_id in self.connected:
return True
self.connected.add(window_id)
return False
def reconnect(self, widget, signal, callback, data=None):
''' Reconnect callback as handling signal, clear old connects. '''
if isinstance(widget, str):
widget = self.builder.get_object(widget)
try:
widget.disconnect_by_func(callback)
except TypeError:
pass
widget.connect(signal, callback, data)
def _create_treeview(self, object_id, columns):
''' Construct a treeview with some string columns. '''
treeview = self.builder.get_object(object_id)
if len(treeview.get_columns()) > 0:
return treeview
treeview.set_vscroll_policy(Gtk.ScrollablePolicy.NATURAL)
types = [str for c in columns]
treeview.set_model(Gtk.ListStore(*types))
renderers = {}
for i, colname in enumerate(columns):
renderers[colname] = Gtk.CellRendererText()
column = Gtk.TreeViewColumn(colname, renderers[colname], text=i)
column.clickable = True
treeview.append_column(column)
return treeview
def _message_dialog(self, header, kind, body, exit_):
''' Return a standard error/warning/info dialog. '''
# pylint: disable=not-callable
d = Gtk.MessageDialog(self.builder.get_object('main_window'),
0,
kind,
Gtk.ButtonsType.OK,
header)
if body:
body = body.replace('@', ' at ').replace('|', ' pipe ')
d.format_secondary_markup(body)
d.run()
d.destroy()
if exit_:
sys.exit()
def show_warning(self, header, body=None, exit_=False):
''' Display standard warning dialog. '''
self._message_dialog(header, Gtk.MessageType.WARNING, body, exit_)
def show_error(self, header, body=None, exit_=False):
''' Display standard error dialog. '''
self._message_dialog(header, Gtk.MessageType.ERROR, body, exit_)
def show_info(self, header, body=None, exit_=False):
''' Display standard error dialog. '''
self._message_dialog(header, Gtk.MessageType.INFO, body, exit_)
def show_link_info(self, header, body):
''' Show a info message, handling "See: <link>" by linking. '''
template = 'See: <a href="{link}" title="{link}">{link}</a>'
if body.lower().startswith('see') and (len(body.split(' ')) == 2):
link = body.split(' ')[1]
if link.endswith('.'):
link = link[:-1]
body = template.format(link=link)
self._message_dialog(header, Gtk.MessageType.INFO, body, False)
# vim: set expandtab ts=4 sw=4:
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