137 lines
5.1 KiB
Python
137 lines
5.1 KiB
Python
import sys
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from PyQt5.QtWidgets import QApplication, QDialog, QLineEdit, QLabel, QWidget, QPushButton, QMessageBox, QComboBox, QDialogButtonBox, QShortcut
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from PyQt5 import uic
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from PyQt5.QtGui import QKeySequence
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from PyQt5.QtCore import Qt, QEvent, QObject, QTimer
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sys_path = sys.path[0].replace("\\", "/")
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ui_file_path = sys_path + "/DialogModifyText.ui"
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def modify_string(string, index, new_char):
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string_list = list(string)
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string_list[index] = new_char
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modified_string = ''.join(string_list)
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return modified_string
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def chr_adjust(old_chr, dif : int) :
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new_chr = old_chr
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if old_chr == '+':
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new_chr = '-'
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elif old_chr == '-':
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new_chr = '+'
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elif dif > 0:
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new_chr = chr(ord(old_chr) + 1)
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if new_chr > '9' :
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new_chr = '0'
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else :
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new_chr = chr(ord(old_chr) - 1)
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if new_chr < '0' :
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new_chr = '9'
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return new_chr
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class DialogModifyText(QDialog):
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def __init__(self, main_window, parent=None):
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super(DialogModifyText, self).__init__(parent)
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# Load UI file
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uic.loadUi(ui_file_path, self)
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self.Text = "2019-09-10 10:22:23"
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self.select_bit = 0
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self.main_window = main_window
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self.setWindowTitle("参数修改")
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self.setWindowFlag(Qt.FramelessWindowHint)
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self.buttonBox.button(QDialogButtonBox.Ok).setText('确定')
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self.buttonBox.button(QDialogButtonBox.Cancel).setText('取消')
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self.buttonBox.clicked.connect(self.dialog_button_ok_clicked)
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modify_text = self.Text
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self.update_modify_info(modify_text, "缺省多字符修改")
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#让定时器周期刷修改字符串, 防止出现焦点切换时选中消失的情况
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self.timer = QTimer(self)
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self.timer.timeout.connect(self.timeout_modify_string_refresh)
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self.timer.start(100)
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#定义4个快捷键, Key_Enter, Key_Escape经常被各类程序模块使用, 用Key_End, 与Key_Home来代替
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QShortcut(QKeySequence(Qt.Key_Up), self, activated=self.key_increase_parameter)
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QShortcut(QKeySequence(Qt.Key_Down), self, activated=self.key_decrease_parameter)
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QShortcut(QKeySequence(Qt.Key_PageDown), self, activated=self.key_enter_process)
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QShortcut(QKeySequence(Qt.Key_PageUp), self, activated=self.key_escape_process)
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QShortcut(QKeySequence(Qt.Key_End), self, activated=self.key_enter_process)
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QShortcut(QKeySequence(Qt.Key_Home), self, activated=self.key_escape_process)
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@property
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def value(self):
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return self.Text
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def timeout_modify_string_refresh(self) :
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line_modify : QLineEdit = self.lineEdit
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modify_str : str = line_modify.text()
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self.update_modify_string(modify_str)
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def update_modify_info(self, modify_str, caption : str) :
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if hasattr(self, "label") :
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label : QLabel = self.label
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label.setText(caption)
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self.update_modify_string(modify_str)
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def update_modify_string(self, modify_str : str) :
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line_modify : QLineEdit = self.lineEdit
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line_modify.setText(modify_str)
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if self.select_bit < len(modify_str) :
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if modify_str[self.select_bit] == ' ':
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self.key_enter_process()
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# 设置选择从第self.select_bit个字符开始，长度为1
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line_modify.setSelection(self.select_bit, 1)
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def key_increase_parameter(self):
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line_modify : QLineEdit = self.lineEdit
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text : str = line_modify.text()
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if self.select_bit < len(text) :
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old_chr = text[self.select_bit]
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new_chr = chr_adjust(old_chr, 1)
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new_modify_text = modify_string(text, self.select_bit, new_chr)
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self.update_modify_string(new_modify_text)
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def key_decrease_parameter(self):
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line_modify : QLineEdit = self.lineEdit
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text : str = line_modify.text()
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if self.select_bit < len(text) :
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old_chr = text[self.select_bit]
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new_chr = chr_adjust(old_chr, -1)
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new_modify_text = modify_string(text, self.select_bit, new_chr)
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self.update_modify_string(new_modify_text)
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def key_enter_process(self):
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line_modify : QLineEdit = self.lineEdit
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text : str = line_modify.text()
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if self.select_bit < len(text) - 1:
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self.select_bit += 1
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if not str.isdigit(text[self.select_bit]) :
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self.key_enter_process()
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else :
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self.update_modify_string(text)
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else :
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self.buttonBox.button(QDialogButtonBox.Ok).click()
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def key_escape_process(self):
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self.buttonBox.button(QDialogButtonBox.Cancel).click()
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def dialog_button_ok_clicked(self, button):
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if button == self.buttonBox.button(QDialogButtonBox.Ok) :
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line_modify : QLineEdit = self.lineEdit
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self.Text = line_modify.text()
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if __name__ == '__main__':
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app = QApplication(sys.argv)
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dialog = DialogModifyText(None)
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dialog.show()
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dialog.exec_()
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sys.exit(0)
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