First go at the new logviewer

This commit is contained in:
Marco Pesenti Gritti 2007-09-30 03:24:27 +02:00
parent 44b7eaefcc
commit d0ae82b402

View File

@ -0,0 +1,91 @@
import gtk
import hippo
import gnomevfs
from louie import dispatcher
from sugar.graphics.roundbox import CanvasRoundBox
class LogEntry(object):
def __init__(self, text):
self.text = text.strip()
class LogModel(list):
def __init__(self, path):
self.path = path
self.position = 0
self.read_lines()
gnomevfs.monitor_add('file://' + self.path,
gnomevfs.MONITOR_FILE,
self._log_file_changed_cb)
def read_lines(self):
log_file = open(self.path, 'r')
log_file.seek(self.position)
for line in log_file.readlines():
self.add_line(line)
self.position = log_file.tell()
log_file.close()
def add_line(self, line):
entry = LogEntry(line)
self.append(entry)
dispatcher.send('entry-added', self, entry)
def _log_file_changed_cb(self, monitor_uri, info_uri, event):
if event == gnomevfs.MONITOR_EVENT_CHANGED:
self.read_lines()
class LogView(hippo.Canvas):
def __init__(self, model):
hippo.Canvas.__init__(self)
self.model = model
scrollbars = hippo.CanvasScrollbars()
scrollbars.set_policy(hippo.ORIENTATION_HORIZONTAL,
hippo.SCROLLBAR_NEVER)
widget = scrollbars.props.widget
widget.props.vadjustment.connect('changed', self._vadj_changed_cb)
self.set_root(scrollbars)
self.box = hippo.CanvasBox(spacing=5, padding=20)
scrollbars.set_root(self.box)
for entry_model in self.model:
self.add_entry(entry_model)
dispatcher.connect(self._entry_added_cb, 'entry-added', self.model)
def add_entry(self, entry_model):
entry_box = CanvasRoundBox(background_color=0xffffffff, padding=5)
self.box.append(entry_box)
entry = hippo.CanvasText(text=entry_model.text,
size_mode=hippo.CANVAS_SIZE_WRAP_WORD)
entry_box.append(entry)
def _entry_added_cb(self, entry):
self.add_entry(entry)
def _vadj_changed_cb(self, adj):
adj.props.value = adj.upper - adj.page_size
if __name__ == "__main__":
import sys
window = gtk.Window()
window.set_default_size(800, 600)
model = LogModel(sys.argv[1])
log_view = LogView(model)
window.add(log_view)
log_view.show()
window.show()
gtk.main()