commit 89b8078549b512679b56dac325efebaa38644493
parent 867597cd91d45f3fb4eb882607cd275beb2ff668
Author: ThomasV <thomasv@gitorious>
Date: Sat, 23 Aug 2014 17:45:47 +0200
move qrscanner from plugins to lib
Diffstat:
4 files changed, 63 insertions(+), 162 deletions(-)
diff --git a/gui/qt/main_window.py b/gui/qt/main_window.py
@@ -2570,6 +2570,25 @@ class ElectrumWindow(QMainWindow):
grid.addWidget(showtx_cb, 6, 0)
grid.addWidget(HelpButton(_('Display the details of your transactions before broadcasting it.')), 6, 2)
+
+ from electrum import qrscanner
+ system_cameras = qrscanner._find_system_cameras()
+ qr_combo = QComboBox()
+ on_change = lambda x: self.config.set_key("video_device", str(qr_combo.itemData(x).toString()), True)
+ qr_combo.currentIndexChanged.connect(on_change)
+ qr_combo.addItem("Default","default")
+ for camera, device in system_cameras.items():
+ qr_combo.addItem(camera, device)
+ #combo.addItem("Manually specify a device", config.get("video_device"))
+ index = qr_combo.findData(self.config.get("video_device"))
+ qr_combo.setCurrentIndex(index)
+ qr_label = QLabel(_('Video Device') + ':')
+ grid.addWidget(qr_label, 7, 0)
+ grid.addWidget(qr_combo, 7, 1)
+ qr_combo.setEnabled(qrscanner.zbar is not None)
+ help_msg = _("Install the zbar package to enable this.\nOn linux, type: 'apt-get install python-zbar'")
+ grid.addWidget(HelpButton(help_msg), 7, 2)
+
vbox.addLayout(grid)
vbox.addStretch(1)
vbox.addLayout(ok_cancel_buttons(d))
diff --git a/gui/qt/qrtextedit.py b/gui/qt/qrtextedit.py
@@ -34,8 +34,12 @@ class QRTextEdit(QPlainTextEdit):
QRDialog(str(self.toPlainText())).exec_()
def qr_input(self):
- from electrum.plugins import run_hook
- data = run_hook('scan_qr_hook')
+ from electrum import qrscanner
+ try:
+ data = qrscanner.scan_qr(self.win.config)
+ except BaseException, e:
+ QMessageBox.warning(self.win, _('Error'), _(e), _('OK'))
+ return
if type(data) != str:
return
self.setText(data)
diff --git a/lib/qrscanner.py b/lib/qrscanner.py
@@ -0,0 +1,38 @@
+import os
+
+try:
+ import zbar
+except ImportError:
+ zbar = None
+
+
+def scan_qr(config):
+ if not zbar:
+ return
+ device = config.get("video_device", "default")
+ if device == 'default':
+ device = ''
+ proc = zbar.Processor()
+ proc.init(video_device=device)
+ proc.visible = True
+ while True:
+ try:
+ proc.process_one()
+ except Exception:
+ # User closed the preview window
+ return {}
+ for r in proc.results:
+ if str(r.type) != 'QRCODE':
+ continue
+ return r.data
+
+
+def _find_system_cameras():
+ device_root = "/sys/class/video4linux"
+ devices = {} # Name -> device
+ if os.path.exists(device_root):
+ for device in os.listdir(device_root):
+ name = open(os.path.join(device_root, device, 'name')).read()
+ name = name.strip('\n')
+ devices[name] = os.path.join("/dev",device)
+ return devices
diff --git a/plugins/qrscanner.py b/plugins/qrscanner.py
@@ -1,160 +0,0 @@
-from electrum.util import print_error
-from urlparse import urlparse, parse_qs
-from PyQt4.QtGui import QPushButton, QMessageBox, QDialog, QVBoxLayout, QHBoxLayout, QGridLayout, QLabel, QLineEdit, QComboBox
-from PyQt4.QtCore import Qt
-
-from electrum.i18n import _
-import re
-import os
-from electrum import Transaction
-from electrum.bitcoin import MIN_RELAY_TX_FEE, is_valid
-from electrum_gui.qt.qrcodewidget import QRCodeWidget
-from electrum import bmp
-from electrum_gui.qt import HelpButton, EnterButton
-import json
-
-try:
- import zbar
-except ImportError:
- zbar = None
-
-from electrum import BasePlugin
-class Plugin(BasePlugin):
-
- def fullname(self): return 'QR scans'
-
- def description(self): return "QR Scans.\nInstall the zbar package to enable this plugin.\nOn linux, type: 'apt-get install python-zbar'"
-
- def __init__(self, gui, name):
- BasePlugin.__init__(self, gui, name)
- self._is_available = self._init()
-
- def _init(self):
- if not zbar:
- return False
- try:
- proc = zbar.Processor()
- proc.init(video_device=self.video_device())
- except zbar.UnsupportedError:
- return False
- except zbar.SystemError:
- # Cannot open video device
- pass
- #return False
-
- return True
-
- def init(self):
- self.win = self.gui.main_window
-
- def is_available(self):
- return self._is_available
-
- def is_enabled(self):
- return True
-
- def scan_qr_hook(self):
- proc = zbar.Processor()
- try:
- proc.init(video_device=self.video_device())
- except zbar.SystemError, e:
- QMessageBox.warning(self.win, _('Error'), _(e), _('OK'))
- return
-
- proc.visible = True
-
- while True:
- try:
- proc.process_one()
- except Exception:
- # User closed the preview window
- return {}
-
- for r in proc.results:
- if str(r.type) != 'QRCODE':
- continue
- return r.data
-
-
- def video_device(self):
- device = self.config.get("video_device", "default")
- if device == 'default':
- device = ''
- return device
-
- def requires_settings(self):
- return True
-
- def settings_widget(self, window):
- return EnterButton(_('Settings'), self.settings_dialog)
-
- def _find_system_cameras(self):
- device_root = "/sys/class/video4linux"
- devices = {} # Name -> device
- if os.path.exists(device_root):
- for device in os.listdir(device_root):
- name = open(os.path.join(device_root, device, 'name')).read()
- devices[name] = os.path.join("/dev",device)
- return devices
-
- def settings_dialog(self):
- system_cameras = self._find_system_cameras()
-
- d = QDialog()
- layout = QGridLayout(d)
- layout.addWidget(QLabel("Choose a video device:"),0,0)
-
- # Create a combo box with the available video devices:
- combo = QComboBox()
-
- # on change trigger for video device selection, makes the
- # manual device selection only appear when needed:
- def on_change(x):
- combo_text = str(combo.itemText(x))
- combo_data = combo.itemData(x)
- if combo_text == "Manually specify a device":
- custom_device_label.setVisible(True)
- self.video_device_edit.setVisible(True)
- if self.config.get("video_device") == "default":
- self.video_device_edit.setText("")
- else:
- self.video_device_edit.setText(self.config.get("video_device",''))
- else:
- custom_device_label.setVisible(False)
- self.video_device_edit.setVisible(False)
- self.video_device_edit.setText(combo_data.toString())
-
- # on save trigger for the video device selection window,
- # stores the chosen video device on close.
- def on_save():
- device = str(self.video_device_edit.text())
- self.config.set_key("video_device", device)
- d.accept()
-
- custom_device_label = QLabel("Video device: ")
- custom_device_label.setVisible(False)
- layout.addWidget(custom_device_label,1,0)
- self.video_device_edit = QLineEdit()
- self.video_device_edit.setVisible(False)
- layout.addWidget(self.video_device_edit, 1,1,2,2)
- combo.currentIndexChanged.connect(on_change)
-
- combo.addItem("Default","default")
- for camera, device in system_cameras.items():
- combo.addItem(camera, device)
- combo.addItem("Manually specify a device",self.config.get("video_device"))
-
- # Populate the previously chosen device:
- index = combo.findData(self.config.get("video_device"))
- combo.setCurrentIndex(index)
-
- layout.addWidget(combo,0,1)
-
- self.accept = QPushButton(_("Done"))
- self.accept.clicked.connect(on_save)
- layout.addWidget(self.accept,4,2)
-
- if d.exec_():
- return True
- else:
- return False
