41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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from ..Qt import QtCore, QtGui
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class CmdInput(QtGui.QLineEdit):
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sigExecuteCmd = QtCore.Signal(object)
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def __init__(self, parent):
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QtGui.QLineEdit.__init__(self, parent)
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self.history = [""]
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self.ptr = 0
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def keyPressEvent(self, ev):
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if ev.key() == QtCore.Qt.Key.Key_Up:
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if self.ptr < len(self.history) - 1:
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self.setHistory(self.ptr+1)
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ev.accept()
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return
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elif ev.key() == QtCore.Qt.Key.Key_Down:
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if self.ptr > 0:
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self.setHistory(self.ptr-1)
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ev.accept()
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return
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elif ev.key() == QtCore.Qt.Key.Key_Return:
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self.execCmd()
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else:
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super().keyPressEvent(ev)
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self.history[0] = self.text()
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def execCmd(self):
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cmd = self.text()
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if len(self.history) == 1 or cmd != self.history[1]:
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self.history.insert(1, cmd)
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self.history[0] = ""
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self.setHistory(0)
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self.sigExecuteCmd.emit(cmd)
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def setHistory(self, num):
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self.ptr = num
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self.setText(self.history[self.ptr])
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