file reorganization with top-level module

electrum/gui/qt/qrtextedit.py

@@ -0,0 +1,76 @@
+
+from electrum.i18n import _
+from electrum.plugin import run_hook
+from PyQt5.QtGui import *
+from PyQt5.QtCore import *
+from PyQt5.QtWidgets import QFileDialog
+
+from .util import ButtonsTextEdit, MessageBoxMixin, ColorScheme
+
+
+class ShowQRTextEdit(ButtonsTextEdit):
+
+    def __init__(self, text=None):
+        ButtonsTextEdit.__init__(self, text)
+        self.setReadOnly(1)
+        self.addButton(":icons/qrcode.png", self.qr_show, _("Show as QR code"))
+
+        run_hook('show_text_edit', self)
+
+    def qr_show(self):
+        from .qrcodewidget import QRDialog
+        try:
+            s = str(self.toPlainText())
+        except:
+            s = self.toPlainText()
+        QRDialog(s).exec_()
+
+    def contextMenuEvent(self, e):
+        m = self.createStandardContextMenu()
+        m.addAction(_("Show as QR code"), self.qr_show)
+        m.exec_(e.globalPos())
+
+
+class ScanQRTextEdit(ButtonsTextEdit, MessageBoxMixin):
+
+    def __init__(self, text="", allow_multi=False):
+        ButtonsTextEdit.__init__(self, text)
+        self.allow_multi = allow_multi
+        self.setReadOnly(0)
+        self.addButton(":icons/file.png", self.file_input, _("Read file"))
+        icon = ":icons/qrcode_white.png" if ColorScheme.dark_scheme else ":icons/qrcode.png"
+        self.addButton(icon, self.qr_input, _("Read QR code"))
+        run_hook('scan_text_edit', self)
+
+    def file_input(self):
+        fileName, __ = QFileDialog.getOpenFileName(self, 'select file')
+        if not fileName:
+            return
+        try:
+            with open(fileName, "r") as f:
+                data = f.read()
+        except BaseException as e:
+            self.show_error(_('Error opening file') + ':\n' + str(e))
+        else:
+            self.setText(data)
+
+    def qr_input(self):
+        from electrum import qrscanner, get_config
+        try:
+            data = qrscanner.scan_barcode(get_config().get_video_device())
+        except BaseException as e:
+            self.show_error(str(e))
+            data = ''
+        if not data:
+            data = ''
+        if self.allow_multi:
+            new_text = self.text() + data + '\n'
+        else:
+            new_text = data
+        self.setText(new_text)
+        return data
+
+    def contextMenuEvent(self, e):
+        m = self.createStandardContextMenu()
+        m.addAction(_("Read QR code"), self.qr_input)
+        m.exec_(e.globalPos())