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#!/usr/bin/env python
# vim: set expandtab ts=4:
from gi.repository import GLib, Gtk
import cairo, pango, pangocairo
ml = GLib.MainLoop()
import pttarget, ptlayout
from ptlayout import PTLText
import time
import usb.core
class MainWindow(object):
def __init__(self):
builder = Gtk.Builder()
builder.add_from_file('ptgui.glade')
builder.connect_signals(self)
self.tape = None
self.tgtwidth = 192
self.wnd = builder.get_object('mainwnd')
self.wnd.connect("delete-event", Gtk.main_quit)
for name in ['statuslabel', 'tabviewport', 'img', 'printbtn',
'color_fg', 'color_bg', 'numcopies', 'cuttoggle', 'devbox']:
self.__dict__[name] = builder.get_object(name)
self.ctlgrid = Gtk.Table()
self.tabviewport.add(self.ctlgrid)
self.layout = ptlayout.PTLHSeq()
self.layout.spacing = 0
# vs1 = ptlayout.PTLVStack()
# vs1.add(PTLText())
# vs1.add(PTLText())
# vs2 = ptlayout.PTLVStack()
# vs2.add(PTLText())
# vs2.add(PTLText())
t = PTLText()
t.font = 'FrutigerNextLT Medium 20'
t.mode = 'left'
self.layout.add(t)
t = PTLText()
t.font = 'FrutigerNextLT Heavy 60'
t.mode = 'left'
self.layout.add(t)
self.layout.add(PTLText())
t = PTLText()
t.font = 'FrutigerNextLT Heavy 60'
t.mode = 'right'
self.layout.add(t)
t = PTLText()
t.font = 'FrutigerNextLT Medium 20'
t.mode = 'right'
self.layout.add(t)
self.layout.add(PTLText())
self.layout_put_controls()
self.sizing_apply()
self.img.connect('draw', self.draw)
# help(self.img)
self.devlist = Gtk.ListStore(str, object)
self.devbox.set_model(self.devlist)
self.scan()
self.dev_select()
self.display_refresh()
self.wnd.show_all()
GLib.timeout_add(100, self.status_update)
def scan(self):
pttarget.PTUSB.scan()
for dev in pttarget.PTUSB.printers:
print str(dev)
self.devlist.append([str(dev), dev])
if len(self.devlist) > 0:
itr = self.devlist.get_iter((0, ))
self.devbox.set_active_iter(itr)
def dev_select(self):
itr = self.devbox.get_active_iter()
if itr is None:
return
dev = self.devlist[itr][1]
dev.setup()
self.status_update()
def status_update(self):
itr = self.devbox.get_active_iter()
if itr is None:
return
dev = self.devlist[itr][1]
try:
if dev.last_status is None or time.time() - dev.last_status >= 1:
dev.refresh_status()
else:
dev.check_status()
except usb.core.USBError, e:
print 'problem while status refresh:', str(e)
if dev.err1 == 0 and dev.err2 == 0:
self.printbtn.set_sensitive(True)
if dev.find_tape() != self.tape:
self.tape = dev.find_tape()
self.sizing_apply()
self.layout_update()
else:
self.printbtn.set_sensitive(False)
mtype = pttarget.media_types.get(dev.media_type, 'unknown (%02x)' % (dev.media_type))
msize = '%dx%dmm' % (dev.media_width, dev.media_length) if dev.media_length != 0 else \
'%dmm continuous tape' % (dev.media_width)
self.statuslabel.set_text('Status: %s, %s %s' % (dev.get_errstr(), mtype, msize))
return True
def sizing_apply(self):
if self.tape is None:
self.label_surface = None
tapeh = 16
else:
self.label_surface = cairo.ImageSurface(cairo.FORMAT_A1, self.tgtwidth, self.tape.pixels)
tapeh = self.tape.pixels
self.display_surface = cairo.ImageSurface(cairo.FORMAT_ARGB32,
self.tgtwidth + 40, tapeh + 40)
self.img.set_size_request(self.display_surface.get_width(),
self.display_surface.get_height())
#ctx = cairo.Context(self.label_surface)
# for i in range(0, 128 / 16):
# x = 16 * (i & 1)
# ctx.rectangle(x, i * 16, 12, 12)
# ctx.fill()
# for i in range(0, 128 / 16):
# x = 32 + 16 * (i & 1)
# ctx.rectangle(x, i * 16, 12, 12)
# ctx.fill()
# pctx = pangocairo.CairoContext(ctx)
# font = pango.FontDescription('Delicious 24')
# layout = pctx.create_layout()
# layout.set_font_description(font)
# layout.set_text(u'Hello')
# pctx.update_layout(layout)
# pctx.show_layout(layout)
# self.display_refresh()
def display_refresh(self, *args):
ctx = cairo.Context(self.display_surface)
w = self.display_surface.get_width()
h = self.display_surface.get_height()
for x in range(0, w, 16):
for y in range(0, h, 16):
col = 0.3 + 0.1 * (((x + y) / 16) & 1)
ctx.rectangle(x, y, 16, 16)
ctx.set_source_rgb(col, col, col)
ctx.fill()
if self.label_surface is None:
return
pw = self.label_surface.get_width()
ph = self.label_surface.get_height()
px, py = (w - pw) / 2, (h - ph) / 2
ctx.rectangle(px, py, pw, ph)
bg = self.color_bg.get_rgba()
ctx.set_source_rgb(bg.red, bg.green, bg.blue)
ctx.fill()
fg = self.color_fg.get_rgba()
ctx.set_source_rgb(fg.red, fg.green, fg.blue)
ctx.mask_surface(self.label_surface, px, py)
self.img.queue_draw()
def draw(self, widget, ctx):
ctx.set_source_surface(self.display_surface)
w = self.display_surface.get_width()
h = self.display_surface.get_height()
ctx.rectangle(0, 0, w, h)
ctx.fill()
def layout_update(self):
if self.label_surface is None:
return
w, h = self.layout.prep_size(self.label_surface.get_height())
if w < 32:
w = 32
if w != self.tgtwidth:
self.tgtwidth = w
self.sizing_apply()
if self.label_surface is None:
return
self.label_surface = cairo.ImageSurface(cairo.FORMAT_A1, self.tgtwidth, self.tape.pixels)
ctx = cairo.Context(self.label_surface)
ctx.set_operator(cairo.OPERATOR_SOURCE)
finw = self.layout.render(ctx, self.label_surface.get_height())
self.display_refresh()
def layout_control(self, node, name, spec):
elem = Gtk.Entry()
buf = elem.get_buffer()
def update(buf, *args):
node.__dict__[name] = buf.get_text()
self.layout_update()
buf.set_text(node.__dict__[name], -1)
buf.connect('deleted-text', update)
buf.connect('inserted-text', update)
return elem
def layout_put_controls(self):
nodes = [self.layout]
rows = -1
while len(nodes) > 0:
rows += 1 # separator
node = nodes.pop(0)
nodes.extend(node.children())
for p in node.properties():
rows += 1
self.ctlgrid.resize(rows, 2)
nodes = [self.layout]
row = 0
first = True
while len(nodes) > 0:
if not first:
hs = Gtk.HSeparator()
self.ctlgrid.attach(hs, 0, 2, row, row + 1, ypadding = 3.0,
xoptions = Gtk.AttachOptions.FILL | Gtk.AttachOptions.EXPAND, yoptions = 0)
row += 1
first = False
node = nodes.pop(0)
nodes.extend(node.children())
for p in node.properties():
elem = self.layout_control(node, p[0], p[1])
lbl = Gtk.Label(p[0])
lbl.set_alignment(0.0, 0.5)
self.ctlgrid.attach(lbl, 0, 1, row, row + 1,
xoptions = Gtk.AttachOptions.FILL, yoptions = 0)
self.ctlgrid.attach(elem, 1, 2, row, row + 1,
xoptions = Gtk.AttachOptions.FILL | Gtk.AttachOptions.EXPAND, yoptions = 0)
row += 1
def on_print(self, *args):
if self.label_surface is None:
return
copies = self.numcopies.get_buffer().get_text()
if copies.strip() == '':
copies = 1
else:
copies = int(copies)
feedlast = self.cuttoggle.get_active()
data = pttarget.PTLabelData()
data.addcairo(self.label_surface, offset = self.tape.offset)
itr = self.devbox.get_active_iter()
dev = self.devlist[itr][1]
for i in range(0, copies):
dev.send(data.get(feedlast and i == copies - 1))
mw = MainWindow()
Gtk.main()
# ml.run()
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