Python GUI programming: use wxPython to process long text

The application scenarios of this code are:

1. In applications such as text editors and IDEs, you can use this sample code to process long text so that users can better view and edit the text.
2. In areas such as data analysis and scientific computing, this sample code can be used to display and manipulate large amounts of data and results.
3. In applications such as log analysis and system monitoring, you can use this sample code to display and process system log and monitoring data.
4. This sample code can be used to display and process large amounts of text data in areas such as text mining and natural language processing.

D:\spiderdocs\aigcPrompt.py

source code:

import wx
import pyperclip

class MemoFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title="Memo to Clipboard", size=(400, 200))

        # 创建面板
        panel = wx.Panel(self)

        # 创建文本框
        self.memo_ctrl = wx.TextCtrl(panel, pos=(5, 5), size=(385, 100), style=wx.TE_MULTILINE)
        # 在文本框中添加长文本
        long_text = "准备将以上代码写一篇博客，请取几个吸引人的标题。这段代码的应用场景有哪些？请解释一下这段代码。请问这个小工具如何使用？"
        self.memo_ctrl.SetInsertionPointEnd()
        self.memo_ctrl.AppendText(long_text)
        # 创建“复制”按钮
        copy_button = wx.Button(panel, label='复制', pos=(5, 120))
        copy_button.Bind(wx.EVT_BUTTON, self.copy_to_clipboard)

    def copy_to_clipboard(self, event):
        # 获取文本框中的内容
        memo_text = self.memo_ctrl.GetValue()

        # 将内容复制到剪贴板中
        pyperclip.copy(memo_text)


if __name__ == '__main__':
    app = wx.App()
    frame = MemoFrame()
    frame.Show()
    app.MainLoop()

Source code explanation:

This code is a simple graphical user interface (GUI) program implemented using the wxPython library. The main function is to create a window and add a multi-line text box in the window for displaying and editing long text data.

Specifically, the functionality of this code includes the following parts:

1. import wx Import the wxPython library, which is a Python GUI programming toolkit for creating graphical user interfaces for desktop applications.

2. class MyFrame(wx.Frame): Created a class called MyFrame, which inherits from the wx.Frame class, representing the main window of the entire program.

3. wx.Frame.__init__(self, None, -1, "TextCtrl示例", size=(400, 300)) It is the constructor of the MyFrame class, which creates various components such as the main frame and panels, and sets the window title and size.

4. panel = wx.Panel(self, -1) Created a panel called panel as a subcomponent of MyFrame.

5. self.textctrl = wx.TextCtrl(panel, -1, "", style=wx.TE_MULTILINE|wx.HSCROLL|wx.TE_RICH2) Created a multi-line textbox control called textctrl, using the styles of multi-line, horizontal scrolling and rich text.

6. font = wx.Font(12, wx.FONTFAMILY_DEFAULT, wx.FONTSTYLE_NORMAL, wx.FONTWEIGHT_NORMAL) Create a font object named font, set the font size to 12, the font type to the default font, and the font style and boldness to be normal.

7. self.textctrl.SetFont(font) Set the font and size of the text box to the default font and size, using the SetFont() method.

8. long_text = "这是一个很长的文本..." A long text string named long_text is created to test the display effect of the TextCtrl control of wxPython.

9. self.textctrl.SetInsertionPointEnd() To move the cursor to the end of the text box, use the SetInsertionPointEnd() method.

10. self.textctrl.AppendText(long_text) To append long text to the end of the text box, use the AppendText() method.

11. sizer = wx.BoxSizer(wx.VERTICAL) Create a wxPython layout manager called sizer that sets the size and position of the textbox.

12. sizer.Add(self.textctrl, 1, wx.EXPAND|wx.ALL, 5) Add the text box to the layout manager by using the Add() method, set the expansion ratio of the text box to 1, the border style to wx.EXPAND|wx.ALL, and set the border size to 5.

13. panel.SetSizer(sizer) To apply a layout manager to a panel, use the SetSizer() method.

14. if __name__ == '__main__': Determine whether the current code is the main program code, and execute the following code block.

15. app = wx.App() Create a wxPython application object named app.

16. frame = MyFrame() Create a MyFrame object named frame, which is the main window object.

17. frame.Show() Display the main window, using the Show() method.

18. app.MainLoop() Enter the main event loop of the wxPython application and wait for user operations. When the user closes the program window or presses the exit key, the program exits.

        Overall, this code implements a simple GUI program to demonstrate how to create and set wxPython's multi-line text box control, and append long text data to the text box. If you need to use this program, you can replace the long text data with the data that actually needs to be displayed, and modify the interface layout, style and function of the program according to actual needs.