added convenience shortcut creation

grum/dictlist/searchbox.py

@@ -1,6 +1,7 @@
 from PyQt5.QtCore import Qt
-from PyQt5.QtGui import QKeySequence
-from PyQt5.QtWidgets import QWidget, QLineEdit, QPushButton, QHBoxLayout, QStyle, QShortcut
+from PyQt5.QtWidgets import QWidget, QLineEdit, QPushButton, QHBoxLayout, QStyle
+
+from ..shortcut import shortcut
 
 
 class SearchBox(QWidget):
@@ -28,8 +29,7 @@ class SearchBox(QWidget):
         btn.clicked.connect(self.txt.clear)
 
         #TODO: where should this go? probably top level MainWindow...
-        shortcut = QShortcut(QKeySequence("Ctrl+F"), self)
-        shortcut.activated.connect(txt.setFocus)
+        shortcut(self, "Ctrl+F", txt.setFocus)
 
 
     # behave like encapsulated QLineEdit

grum/mainwin.py

@@ -1,6 +1,5 @@
 from PyQt5.QtCore import Qt, pyqtSignal
-from PyQt5.QtGui import QKeySequence
-from PyQt5.QtWidgets import QMainWindow, QSplitter, QShortcut
+from PyQt5.QtWidgets import QMainWindow, QSplitter
 
 from . import assets
 from .dictlist import DictList
@@ -8,6 +7,7 @@ from .mdi import MDIArea, MDISubPlot, MDISubMultiPlot
 from .rpc import RPCServerThread
 from .plotdesc import PlotDescription
 from .menus import BarMenu
+from .shortcut import shortcut
 from .exampledata import exampledata
 
 
@@ -29,8 +29,7 @@ class MainWindow(QMainWindow):
         lst_menu.addSeparator()
         lst_menu.addAction("Plot selected", self.on_plot_selected)
 
-        plot_shortcut = QShortcut(QKeySequence("Ctrl+P"), self)
-        plot_shortcut.activated.connect(self.on_plot_selected)
+        shortcut(self, "Ctrl+P", self.on_plot_selected)
 
         bar = self.menuBar()
 

grum/shortcut.py

@@ -0,0 +1,12 @@
+from PyQt5.QtGui import QKeySequence
+from PyQt5.QtWidgets import QShortcut
+
+
+def shortcut(parent, key_sequence, triggered):
+    key_sequence = QKeySequence(key_sequence)
+    shortcut = QShortcut(key_sequence, parent)
+    shortcut.activated.connect(triggered)
+    return shortcut
+
+
+