add lisp packages

lisp/emacs-application-framework/app/file-browser/buffer.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2018 Andy Stewart
+#
+# Author:     Andy Stewart <lazycat.manatee@gmail.com>
+# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from PyQt5 import QtGui, QtCore
+from PyQt5.QtCore import Qt
+from PyQt5.QtGui import QColor, QFont
+from PyQt5.QtWidgets import QWidget, QLabel, QVBoxLayout
+from core.utils import get_local_ip, get_free_port
+import subprocess
+import os
+import qrcode
+import signal
+
+from core.buffer import Buffer
+
+class AppBuffer(Buffer):
+    def __init__(self, buffer_id, url, config_dir, argument, emacs_var_dict, module_path):
+        Buffer.__init__(self, buffer_id, url, argument, emacs_var_dict, module_path, False)
+
+        self.add_widget(FileUploaderWidget(url, QColor(0, 0, 0, 255)))
+
+    def destroy_buffer(self):
+        os.kill(self.buffer_widget.background_process.pid, signal.SIGKILL)
+
+        super().destroy_buffer()
+
+class Image(qrcode.image.base.BaseImage):
+    def __init__(self, border, width, box_size):
+        self.border = border
+        self.width = width
+        self.box_size = box_size
+        size = (width + border * 2) * box_size
+        self._image = QtGui.QImage(size, size, QtGui.QImage.Format_RGB16)
+        self._image.fill(QtCore.Qt.white)
+
+    def pixmap(self):
+        return QtGui.QPixmap.fromImage(self._image)
+
+    def drawrect(self, row, col):
+        painter = QtGui.QPainter(self._image)
+        painter.fillRect(
+            (col + self.border) * self.box_size,
+            (row + self.border) * self.box_size,
+            self.box_size, self.box_size,
+            QtCore.Qt.black)
+
+    def save(self, stream, kind=None):
+        pass
+
+class FileUploaderWidget(QWidget):
+    def __init__(self, url, color):
+        QWidget.__init__(self)
+        url = os.path.expanduser(url)
+
+        self.setStyleSheet("background-color: black")
+
+        self.file_name_font = QFont()
+        self.file_name_font.setPointSize(24)
+
+        self.file_name_label = QLabel(self)
+        self.file_name_label.setText("Your file will be share at\n{0}".format(url))
+        self.file_name_label.setFont(self.file_name_font)
+        self.file_name_label.setAlignment(Qt.AlignCenter)
+        self.file_name_label.setStyleSheet("color: #eee")
+
+        self.qrcode_label = QLabel(self)
+
+        self.notify_font = QFont()
+        self.notify_font.setPointSize(12)
+        self.notify_label = QLabel(self)
+        self.notify_label.setText("Scan QR code above to upload a file from your smartphone.\nMake sure the smartphone is connected to the same WiFi network as this computer.")
+        self.notify_label.setFont(self.notify_font)
+        self.notify_label.setAlignment(Qt.AlignCenter)
+        self.notify_label.setStyleSheet("color: #eee")
+
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.addStretch()
+        layout.addWidget(self.qrcode_label, 0, Qt.AlignCenter)
+        layout.addSpacing(20)
+        layout.addWidget(self.file_name_label, 0, Qt.AlignCenter)
+        layout.addSpacing(40)
+        layout.addWidget(self.notify_label, 0, Qt.AlignCenter)
+        layout.addStretch()
+
+        self.port = get_free_port()
+        self.local_ip = get_local_ip()
+        self.address = "http://{0}:{1}".format(self.local_ip, self.port)
+
+        self.qrcode_label.setPixmap(qrcode.make(self.address, image_factory=Image).pixmap())
+
+        self.background_process = subprocess.Popen(
+            "cd {0} && filebrowser --noauth -d /tmp/filebrowser.db --address {1} -p {2}".format(url, self.local_ip, self.port),
+            stdout=subprocess.PIPE,
+            stderr=subprocess.STDOUT,
+            shell=True)