[about] add about dialog window

pyrelacs/ui/about.py

@@ -0,0 +1,58 @@
+import os
+import pathlib
+
+from PyQt6.QtGui import QPixmap
+from PyQt6.QtWidgets import QDialog, QDialogButtonBox, QLabel, QVBoxLayout, QWidget
+from PyQt6.QtCore import Qt
+
+
+class AboutDialog(QDialog):
+    
+    def __init__(self, parent=None) -> None:
+        super().__init__(parent=parent)
+        self.setModal(True)
+        about = About(self)
+        self.setLayout(QVBoxLayout())
+        self.layout().addWidget(about)
+        bbox = QDialogButtonBox(QDialogButtonBox.StandardButton.Ok)
+        bbox.accepted.connect(self.accept)
+        self.layout().addWidget(bbox)
+
+
+class About(QWidget):
+    
+    def __init__(self, parent=None) -> None:
+        super().__init__(parent=parent)
+        self.setLayout(QVBoxLayout())
+        
+        heading = QLabel("pyRelacs")
+        font = heading.font()
+        font.setPointSize(18)
+        font.setBold(True)
+        heading.setFont(font)
+        heading.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        subheading = QLabel("relacsed electrophysiological recordings")
+        subheading.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        nix_link = QLabel("https://github.com/bendalab")
+        nix_link.setOpenExternalLinks(True)
+        nix_link.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        rtd_link = QLabel("https://nixio.readthedocs.io/en/master/")
+        rtd_link.setOpenExternalLinks(True)
+        rtd_link.setAlignment(Qt.AlignmentFlag.AlignCenter)
+
+        iconlabel = QLabel()
+        _root = pathlib.Path(__file__).parent.parent
+        pixmap = QPixmap(str(pathlib.Path.joinpath(_root, "icons/relacstuxheader.png")))
+        s = pixmap.size()
+        new_height = int(s.height() * 300/s.width())
+        pixmap = pixmap.scaled(300, new_height, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.FastTransformation)
+        iconlabel.setPixmap(pixmap)
+        iconlabel.setMaximumWidth(300)
+        iconlabel.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        iconlabel.setScaledContents(True)
+        
+        self.layout().addWidget(heading)
+        self.layout().addWidget(subheading)
+        self.layout().addWidget(iconlabel)
+        self.layout().addWidget(nix_link)
+        self.layout().addWidget(rtd_link)

pyrelacs/ui/mainwindow.py

@@ -11,18 +11,20 @@ from PyQt6.QtWidgets import (
     QStatusBar
 )
 import uldaq
-import pathlib
 import numpy as np
 import nixio as nix
 import pyqtgraph as pg
 
+from pathlib import Path as path
 from importlib.resources import files as rsrc_files
 from scipy.signal import welch, find_peaks
 
-from pyrelacs.worker import Worker
+from ..worker import Worker
 from ..repros.repros import Repro
 from ..util.logging import config_logging
+from .about import AboutDialog
 log = config_logging()
+_root = path(__file__).parent.parent
 
 from IPython import embed
 
@@ -61,32 +63,33 @@ class PyRelacs(QMainWindow):
         widget.setLayout(layout)
         self.setCentralWidget(widget)
 
-        filename = pathlib.Path.joinpath(pathlib.Path.cwd(), "data.nix")
+        filename = path.joinpath(path.cwd(), "data.nix")
         self.nix_file = nix.File.open(
             str(filename), nix.FileMode.Overwrite
         )
 
     def create_actions(self):
-        icon_path = str(rsrc_files("pyrelacs.icons").joinpath("exit.png"))
-        self._rlx_exitaction = QAction(QIcon(":icons/exit.png"), "Exit", self)
+        self._rlx_exitaction = QAction(QIcon(str(path.joinpath(_root, "icons/exit.png"))), "Exit", self)
         self._rlx_exitaction.setStatusTip("Close relacs")
         self._rlx_exitaction.setShortcut(QKeySequence("Alt+q"))
         self._rlx_exitaction.triggered.connect(self.on_exit)
+        
+        self._rlx_aboutaction = QAction("about")
+        self._rlx_aboutaction.setStatusTip("Show about dialog")
+        self._rlx_aboutaction.setEnabled(True)
+        self._rlx_aboutaction.triggered.connect(self.on_about)
 
-        # icon_path = str(rsrc_files("pyrelacs.icons").joinpath("connect.png"))
-        self._daq_connectaction = QAction(QIcon(":/icons/connect.png"), "Connect DAQ", self)
+        self._daq_connectaction = QAction(QIcon(str(path.joinpath(_root, "icons/connect.png"))), "Connect DAQ", self)
         self._daq_connectaction.setStatusTip("Connect to daq device")
         # self._daq_connectaction.setShortcut(QKeySequence("Alt+d"))
         self._daq_connectaction.triggered.connect(self.connect_dac)
 
-        icon_path = str(rsrc_files("pyrelacs.icons").joinpath("disconnect.png"))
-        self._daq_disconnectaction = QAction(QIcon(icon_path), "Disconnect DAQ", self)
+        self._daq_disconnectaction = QAction(QIcon(str(path.joinpath(_root, "icons/disconnect.png"))), "Disconnect DAQ", self)
         self._daq_disconnectaction.setStatusTip("Disconnect the DAQ device")
         # self._daq_connectaction.setShortcut(QKeySequence("Alt+d"))
         self._daq_disconnectaction.triggered.connect(self.disconnect_dac)
 
-        # icon_path = str(rsrc_files("pyrelacs.icons").joinpath("calibration.png"))
-        self._daq_calibaction = QAction(QIcon(icon_path), "Plot calibration", self)
+        self._daq_calibaction = QAction(QIcon(str(path.joinpath(_root, "icons/calibration.png"))), "Plot calibration", self)
         self._daq_calibaction.setStatusTip("Calibrate the attenuator device")
         # self._daq_calibaction.setShortcut(QKeySequence("Alt+d"))
         self._daq_calibaction.triggered.connect(self.plot_calibration)
@@ -96,6 +99,7 @@ class PyRelacs(QMainWindow):
         menu = self.menuBar()
         file_menu = menu.addMenu("&File")
         file_menu.addAction(self._rlx_exitaction)
+        file_menu.addAction(self._rlx_aboutaction)
         
         device_menu = menu.addMenu("&DAQ")
         device_menu.addAction(self._daq_connectaction)
@@ -254,6 +258,10 @@ class PyRelacs(QMainWindow):
         print("exit button!")
         self.close()
     
+    def on_about(self, e):
+        about = AboutDialog(self)
+        about.show()
+
     def print_output(self, s):
         print(s)