Import LinuxCNC source tree
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Wang Dequan
191
lib/python/qtvcp/widgets/virtualkeyboard.py
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191
lib/python/qtvcp/widgets/virtualkeyboard.py
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#!/usr/bin/env python3
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import sys
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import os
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from qtpy import QtGui, QtWidgets, uic
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from qtpy.QtCore import Qt, QEvent, Signal
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from qtvcp.core import Info, Path
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from qtvcp import logger
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LOG = logger.getLogger(__name__)
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PATH = Path()
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class VirtualKeyboard(QtWidgets.QWidget):
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hideKeyboard = Signal()
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def __init__(self, parent=None):
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super(VirtualKeyboard, self).__init__(parent)
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# Load the widgets UI file:
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self.filename = os.path.join(PATH.SHAREDIR,'widgets_ui', 'virtual_keyboard.ui')
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try:
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self.instance = uic.loadUi(self.filename, self)
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except AttributeError as e:
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LOG.critical(e)
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self.NO_ORD_KEY_LIST = list()
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self.NO_ORD_KEY_LIST.append(Qt.Key_Backspace)
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self.NO_ORD_KEY_LIST.append(Qt.Key_Enter)
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self.NO_ORD_KEY_LIST.append(Qt.Key_Escape)
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self.NO_ORD_KEY_LIST.append(Qt.Key_Delete)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F1)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F2)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F3)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F4)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F5)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F6)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F7)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F8)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F9)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F10)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F11)
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self.NO_ORD_KEY_LIST.append(Qt.Key_F12)
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self.letter_list = "abcdefghijklmnopqrstuvwxyz"
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self.number_list = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'minus', 'equal']
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self.shift_number = [')', '!', '@', '#', '$', '%', '^', '&&', '*', '(']
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self.special_list = {
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'less': Qt.Key_Less,
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'greater': Qt.Key_Greater,
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'question': Qt.Key_Question,
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'colon': Qt.Key_Colon,
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'leftbrace': Qt.Key_BraceLeft,
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'rightbrace': Qt.Key_BraceRight,
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'doublequote': Qt.Key_QuoteDbl,
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'pipe': Qt.Key_Bar,
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'underscore': Qt.Key_Underscore,
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'plus': Qt.Key_Plus,
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'exclamation': Qt.Key_Exclam,
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'at': Qt.Key_At,
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'pound': Qt.Key_NumberSign,
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'dollar': Qt.Key_Dollar,
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'percent': Qt.Key_Percent,
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'carat': Qt.Key_AsciiCircum,
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'ampersand': Qt.Key_Ampersand,
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'asterisk': Qt.Key_Asterisk,
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'leftparenth': Qt.Key_ParenLeft,
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'rightparenth': Qt.Key_ParenRight,
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'space': Qt.Key_Space
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}
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self.function_keys = {
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'0': Qt.Key_F10,
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'1': Qt.Key_F1,
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'2': Qt.Key_F2,
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'3': Qt.Key_F3,
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'4': Qt.Key_F4,
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'5': Qt.Key_F5,
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'6': Qt.Key_F6,
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'7': Qt.Key_F7,
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'8': Qt.Key_F8,
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'9': Qt.Key_F9,
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'minus': Qt.Key_F11,
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'equal': Qt.Key_F12
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}
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self.init_letters()
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self.init_numbers()
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self.init_special()
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# control button group
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self.btn_back.KEY_CHAR = Qt.Key_Backspace
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self.btn_delete.KEY_CHAR = Qt.Key_Delete
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self.btn_enter.KEY_CHAR = Qt.Key_Enter
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self.letters_buttonGroup.buttonClicked.connect(self.letter_clicked)
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self.numbers_buttonGroup.buttonClicked.connect(self.special_clicked)
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self.special_buttonGroup.buttonClicked.connect(self.special_clicked)
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self.control_buttonGroup.buttonClicked.connect(self.button_clicked)
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self.btn_hide.clicked.connect(lambda: self.hideKeyboard.emit())
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def init_letters(self):
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for val in self.letter_list:
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self['btn_' + val].setText(val)
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self['btn_' + val].KEY_CHAR = ord(val)
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def init_numbers(self):
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for i, val in enumerate(self.number_list[:-2]):
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self['btn_' + val].setText(self.shift_number[i] + '\n' + val)
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self['btn_' + val].KEY_CHAR = ord(val)
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self.btn_minus.setText('_\n-')
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self.btn_minus.KEY_CHAR = Qt.Key_Minus
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self.btn_equal.setText('+\n=')
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self.btn_equal.KEY_CHAR = Qt.Key_Equal
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def init_special(self):
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self.btn_comma.KEY_CHAR = Qt.Key_Comma
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self.btn_period.KEY_CHAR = Qt.Key_Period
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self.btn_semicolon.KEY_CHAR = Qt.Key_Semicolon
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self.btn_slash.KEY_CHAR = Qt.Key_Slash
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self.btn_backslash.KEY_CHAR = Qt.Key_Backslash
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self.btn_apostrophe.KEY_CHAR = Qt.Key_Apostrophe
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self.btn_left_bracket.KEY_CHAR = Qt.Key_BracketLeft
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self.btn_right_bracket.KEY_CHAR = Qt.Key_BracketRight
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self.btn_space.KEY_CHAR = Qt.Key_Space
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def letter_clicked(self, btn):
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if self.btn_shift.isChecked():
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btn.KEY_CHAR = ord(btn.text().upper())
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self.button_clicked(btn)
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btn.KEY_CHAR = ord(btn.text())
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def special_clicked(self, btn):
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key_save = btn.KEY_CHAR
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if self.btn_shift.isChecked() and not self.btn_function.isChecked():
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key = btn.property('upper')
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btn.KEY_CHAR = self.special_list.get(key)
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self.button_clicked(btn)
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btn.KEY_CHAR = key_save
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def button_clicked(self, btn):
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fw = QtWidgets.QApplication.focusWidget()
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if fw is None: return
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if btn.KEY_CHAR in self.NO_ORD_KEY_LIST:
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keyPress = QtGui.QKeyEvent(QEvent.KeyPress, btn.KEY_CHAR, Qt.NoModifier, '')
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else:
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if self.btn_shift.isChecked():
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modifier = Qt.ShiftModifier
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self.btn_shift.setChecked(False)
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else:
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modifier = Qt.NoModifier
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keyPress = QtGui.QKeyEvent(QEvent.KeyPress, btn.KEY_CHAR, modifier, chr(btn.KEY_CHAR))
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try:
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QtWidgets.QApplication.sendEvent(fw, keyPress)
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except:
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pass
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def caps_lock_clicked(self, state):
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if state:
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for val in self.letter_list:
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self['btn_' + val].setText(val.upper())
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self['btn_' + val].KEY_CHAR = ord(val.upper())
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else:
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self.init_letters()
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def function_clicked(self, state):
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if state:
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for val in self.number_list:
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alt_txt = self['btn_' + val].property('fcode')
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self['btn_' + val].setText(alt_txt)
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for key, val in list(self.function_keys.items()):
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self['btn_' + key].KEY_CHAR = val
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else:
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self.init_numbers()
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def __getitem__(self, item):
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return getattr(self, item)
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def __setitem__(self, item, value):
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return setattr(self, item, value)
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#############################
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# Testing #
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#############################
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if __name__ == "__main__":
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from qtpy.QtWidgets import *
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from qtpy.QtCore import *
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from qtpy.QtGui import *
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app = QtWidgets.QApplication(sys.argv)
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w = VirtualKeyboard()
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w.show()
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sys.exit( app.exec() )
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