def showqrcode(w, treeview, liststore):
path, col = treeview.get_cursor()
if not path: return
address = liststore.get_value(liststore.get_iter(path), 0)
qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.H)
qr.addData(address)
qr.make()
boxsize = 7
boxcount_row = qr.getModuleCount()
size = (boxcount_row + 4) * boxsize
def area_expose_cb(area, cr):
style = area.get_style()
Gdk.cairo_set_source_color(cr, style.white)
cr.rectangle(0, 0, size, size)
cr.fill()
Gdk.cairo_set_source_color(cr, style.black)
for r in range(boxcount_row):
for c in range(boxcount_row):
if qr.isDark(r, c):
cr.rectangle((c + 2) * boxsize, (r + 2) * boxsize, boxsize, boxsize)
cr.fill()
area = Gtk.DrawingArea()
area.set_size_request(size, size)
area.connect("draw", area_expose_cb)
area.show()
dialog = Gtk.Dialog(address, parent=self.window, flags=Gtk.DialogFlags.MODAL, buttons = ("ok",1))
dialog.vbox.add(area)
dialog.run()
dialog.destroy()
def showqrcode(w, treeview, liststore):
path, col = treeview.get_cursor()
if not path: return
address = liststore.get_value(liststore.get_iter(path), 0)
qr = pyqrnative.QRCode(4, pyqrnative.QRErrorCorrectLevel.H)
qr.addData(address)
qr.make()
boxsize = 7
size = qr.getModuleCount() * boxsize
def area_expose_cb(area, event):
style = area.get_style()
k = qr.getModuleCount()
for r in range(k):
for c in range(k):
gc = style.black_gc if qr.isDark(r,
c) else style.white_gc
area.window.draw_rectangle(gc, True, c * boxsize,
r * boxsize, boxsize,
boxsize)
area = gtk.DrawingArea()
area.set_size_request(size, size)
area.connect("expose-event", area_expose_cb)
area.show()
dialog = gtk.Dialog(address,
parent=self.window,
flags=gtk.DIALOG_MODAL
| gtk.DIALOG_NO_SEPARATOR,
buttons=("ok", 1))
dialog.vbox.add(area)
dialog.run()
dialog.destroy()
def update_qr(self):
if self.addr and not self.qr:
for size in range(len(pyqrnative.QRUtil.PATTERN_POSITION_TABLE)): # [4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32]:
try:
self.qr = pyqrnative.QRCode(size, pyqrnative.QRErrorCorrectLevel.L)
self.qr.addData(self.addr)
self.qr.make()
break
except Exception:
self.qr=None
continue
self.update()