#!/usr/bin/env python3 # QTVcp Widget # # Copyright (c) 2017 Chris Morley # # 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 2 of the License, or # (at your option) 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. # # base code Found on Code Cookbook # # This widget pops up an onscreen keyboard for entries # Used in the Macro and MDI line widget from PyQt5 import QtWidgets, QtCore, QtGui #from decimal import Decimal # applicationle widgets SIP_WIDGETS = [QtWidgets.QLineEdit] class MyFlatPushButton(QtWidgets.QPushButton): def __init__(self, caption, min_size=(50, 50)): self.MIN_SIZE = min_size super(MyFlatPushButton, self).__init__(caption) self.setFocusPolicy(QtCore.Qt.NoFocus) def sizeHint(self): return QtCore.QSize(self.MIN_SIZE[0], self.MIN_SIZE[1]) class SoftInputWidget(QtWidgets.QDialog): def __init__(self, parent=None, keyboard_type='default'): super(SoftInputWidget, self).__init__(parent) self.setWindowModality(QtCore.Qt.ApplicationModal) self.setWindowFlags(self.windowFlags() | QtCore.Qt.FramelessWindowHint | QtCore.Qt.WindowStaysOnTopHint) self.INPUT_WIDGET = None self.PARENT_OBJECT = parent self.signalMapper = QtCore.QSignalMapper(self) self.NO_ORD_KEY_LIST = list() self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Left) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Up) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Right) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Down) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Backspace) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Enter) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Tab) self.NO_ORD_KEY_LIST.append(QtCore.Qt.Key_Escape) self.do_layout(keyboard_type) self.signalMapper.mapped[int].connect(self.buttonClicked) def do_layout(self, keyboard_type='default'): """ @param keyboard_type: @return: """ gl = QtWidgets.QVBoxLayout() self.setFont(self.PARENT_OBJECT.font()) number_widget_list = [] sym_list = list(range(0, 10)) for sym in sym_list: button = MyFlatPushButton(str(sym)) button.KEY_CHAR = ord(str(sym)) number_widget_list.append(button) # alphabets alpha_widget_list = [] sym_list = ['Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', 'new_row', 'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', 'new_row', 'Z', 'X', 'C', 'V', 'B', 'N', 'M'] for sym in sym_list: if sym == 'new_row': alpha_widget_list.append('new_row') else: button = MyFlatPushButton(sym) button.KEY_CHAR = ord(sym) alpha_widget_list.append(button) button = MyFlatPushButton('.') button.KEY_CHAR = ord('.') alpha_widget_list.append(button) button = MyFlatPushButton('-') button.KEY_CHAR = ord('-') alpha_widget_list.append(button) control_widget_list = [] button = MyFlatPushButton('LINE\nUP') button.setToolTip('Cursor Up') button.KEY_CHAR = QtCore.Qt.Key_Up control_widget_list.append(button) button = MyFlatPushButton('LINE\nDOWN') button.setToolTip('Cursor Down') button.KEY_CHAR = QtCore.Qt.Key_Down control_widget_list.append(button) # space button = MyFlatPushButton('SPACE', min_size=(160, 50)) button.KEY_CHAR = QtCore.Qt.Key_Space control_widget_list.append(button) # back space button = MyFlatPushButton('BACK') button.setToolTip('Backspace') button.KEY_CHAR = QtCore.Qt.Key_Backspace control_widget_list.append(button) # close button = MyFlatPushButton('CLOSE') button.setToolTip('Close Keyboard') button.KEY_CHAR = QtCore.Qt.Key_Escape control_widget_list.append(button) # enter button = MyFlatPushButton('ENTER', min_size=(105, 50)) button.setToolTip('Enter Command') button.KEY_CHAR = QtCore.Qt.Key_Enter control_widget_list.append(button) MAX_COL = 10 col = 0 tlist = list() if keyboard_type == 'numeric': widget_list = number_widget_list elif keyboard_type == 'alpha': widget_list = alpha_widget_list else: widget_list = list() widget_list.extend(number_widget_list) widget_list.append('new_row') widget_list.extend(alpha_widget_list) widget_list.append('new_row') widget_list.extend(control_widget_list) for widget in widget_list: if widget == 'new_row': col = MAX_COL else: tlist.append(widget) widget.clicked.connect(self.signalMapper.map) self.signalMapper.setMapping(widget, widget.KEY_CHAR) if col == MAX_COL: col = 0 v = QtWidgets.QHBoxLayout() v.addStretch() v.setSpacing(5) list(map(v.addWidget, tlist)) v.addStretch() gl.addLayout(v) tlist = [] else: col += 1 v = QtWidgets.QHBoxLayout() v.setSpacing(5) v.addStretch() list(map(v.addWidget, tlist)) v.addStretch() gl.addLayout(v) gl.setContentsMargins(4, 4, 4, 4) gl.setSpacing(4) gl.setSizeConstraint(gl.SetFixedSize) self.setLayout(gl) def reject(self): self.buttonClicked(QtCore.Qt.Key_Escape) def buttonClicked(self, char_ord): w = self.INPUT_WIDGET if char_ord in self.NO_ORD_KEY_LIST: keyPress = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char_ord, QtCore.Qt.NoModifier, '') else: keyPress = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char_ord, QtCore.Qt.NoModifier, chr(char_ord)) # hide on enter or esc button click if char_ord == QtCore.Qt.Key_Escape: self.hide() else: # send keypress event to widget QtWidgets.QApplication.sendEvent(w, keyPress) if char_ord == QtCore.Qt.Key_Enter: self.hide() # line edit returnPressed event is triggering twice for press and release both # that is why do not send release event for special key if char_ord not in self.NO_ORD_KEY_LIST: keyRelease = QtGui.QKeyEvent(QtCore.QEvent.KeyPress, char_ord, QtCore.Qt.NoModifier, '') QtWidgets.QApplication.sendEvent(w, keyRelease) def show_input_panel(self, widget): self.INPUT_WIDGET = widget self.show() self.update_panel_position() self.setFocus() self.raise_() def update_panel_position(self): widget = self.INPUT_WIDGET if not widget: return widget_rect = widget.rect() widget_bottom = widget.mapToGlobal(QtCore.QPoint(widget.frameGeometry().x(), widget.frameGeometry().y())).y() screen_height = QtWidgets.qApp.desktop().availableGeometry().height() input_panel_height = self.geometry().height() + 5 if (screen_height - widget_bottom) > input_panel_height: # display input panel at bottom of widget panelPos = QtCore.QPoint(widget_rect.left(), widget_rect.bottom() + 2) else: # display input panel at top of widget panelPos = QtCore.QPoint(widget_rect.left(), widget_rect.top() - input_panel_height) panelPos = widget.mapToGlobal(panelPos) self.move(panelPos) # a widget that calls our keyboard dialog class TouchInterface(QtWidgets.QWidget): def __init__(self, parent): super(TouchInterface, self).__init__(parent) self._PARENT_WIDGET = parent self._input_panel_alpha = SoftInputWidget(parent, 'alpha') self._input_panel_numeric = SoftInputWidget(parent, 'numeric') self._input_panel_full = SoftInputWidget(parent, 'default') self.keyboard_enable = True self.keyboard_type = 'numeric' def childEvent(self, event): if event.type() == QtCore.QEvent.ChildAdded: if isinstance(event.child(), *SIP_WIDGETS): event.child().installEventFilter(self) def eventFilter(self, widget, event): try: if self._PARENT_WIDGET.focusWidget() == widget and event.type() == QtCore.QEvent.MouseButtonPress: if self.keyboard_enable is False: return False self.callDialog(widget, self.keyboard_type.lower()) return False except: return False # can be class patched to call other entries - like qtvcp dialogs def callDialog(self, widget, ktype): if ktype == 'alpha': self._input_panel_alpha.show_input_panel(widget) elif ktype == 'numeric': self._input_panel_numeric.show_input_panel(widget) else: self._input_panel_full.show_input_panel(widget) ## testing ## if __name__ == '__main__': import sys from PyQt5.QtWidgets import QWidget app = QtWidgets.QApplication([]) w = QWidget() w.setGeometry(100, 100, 200, 100) w.setWindowTitle('Entry Widget') line = QtWidgets.QLineEdit() layout = QtWidgets.QVBoxLayout() layout.addWidget(line) test = TouchInterface(line) # test.callDialog(line, 'numeric') # test.callDialog(line, 'alpha') test.callDialog(line, 'default') w.setLayout(layout) w.show() sys.exit(app.exec_())