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TTaskDialogDemo 项目分析

项目信息

文件结构

TTaskDialogDemo/
├── Extractor_Icon.ico
├── Project1.py
├── Project1.xml
├── Unit1.py
├── Unit1.pydfm
├── Unit1.sct
├── Unit1.sfm

主程序文件: Project1.py

from glcl import *
from Unit1 import *

def main():
    Application.Initialize()
    Application.Title = 'Project1'
    Application.MainFormOnTaskbar = True
    Application.Icon.LoadFromFile(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Extractor_Icon.ico"))
    MainForm = Form1(Application)
    MainForm.Show()
    FreeConsole()
    Application.Run()
    MainForm.Free()

if __name__ == '__main__':
    main()

单元文件: Unit1.py

import os
from glcl import *
import time

class Form1(Form):

    def __init__(self, owner):
        self.Button1 = Button(self)
        self.TaskDialog1 = TaskDialog(self)
        self.LoadProps(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Unit1.pydfm"))
        self.Button1.OnClick = self.Button1Click

        # 创建一个按钮用于打开任务对话框
        self.button = Button(self)
        self.button.Parent = self               # 设置父控件为当前窗体
        self.button.Caption = 'Show Task Dialog'  # 按钮标题
        self.button.Left = 70                   # 设置按钮的左侧距离
        self.button.Top = 50                    # 设置按钮的顶部距离
        self.button.OnClick = self.show_task_dialog  # 设置按钮点击事件处理程序

    # 任务对话框的处理事件
    def show_task_dialog(self, Sender):
        # 创建任务对话框实例
        task_dialog = TaskDialog(self)

        # 设置任务对话框的属性
        task_dialog.Title = 'Task Dialog Title'                  # 对话框标题
        task_dialog.Text = 'This is a sample task dialog.'     # 对话框内容

        # 添加按钮到任务对话框
        task_dialog.RadioButtons.Add().Caption = 'OK'     # 添加“OK”按钮
        task_dialog.RadioButtons.Add().Caption = 'Abort'  # 添加“Abort”按钮
        task_dialog.RadioButtons.Add().Caption = 'Cancel' # 添加“Cancel”按钮

        # 显示任务对话框并获取用户的选择
        result = task_dialog.Execute()
        for item in task_dialog.RadioButtons.Items:
            if task_dialog.RadioButton == item:
                self.Caption = item.Caption
                break

    def Button1Click(self, Sender):
        if self.TaskDialog1.Execute():
            for i in range(self.TaskDialog1.ProgressBar.Min, self.TaskDialog1.ProgressBar.Max+1):
                self.TaskDialog1.ProgressBar.Position = i
                time.sleep(0.005)
                Application.ProcessMessages()

设计文件: Unit1.sct

def Button1Click(Sender):

设计文件: Unit1.sfm

object Form1: TForm
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 130
  ClientWidth = 233
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -15
  Font.Name = 'Segoe UI'
  Font.Style = []
  TextHeight = 20
  object Button1: TButton
    Left = 144
    Top = 88
    Width = 75
    Height = 25
    Caption = 'Button1'
    TabOrder = 0
    OnClick = Button1Click
  end
  object TaskDialog1: TTaskDialog
    Buttons = <
      item
        Caption = 'Button4'
        ModalResult = 103
      end
      item
        Caption = 'Button5'
        ModalResult = 104
      end
      item
        Caption = 'Button6'
        ModalResult = 105
      end>
    Caption = #26631#39064
    ExpandButtonCaption = #25193#23637#30340#25353#38062#26631#39064
    ExpandedText = #25193#23637#30340#25991#26412
    Flags = [tfAllowDialogCancellation, tfShowProgressBar]
    RadioButtons = <
      item
        Caption = 'RadioButton1'
      end
      item
        Caption = 'RadioButton2'
      end
      item
        Caption = 'RadioButton3'
      end
      item
        Caption = 'RadioButton4'
      end>
    Left = 88
    Top = 88
  end
end

其他文件

  • Extractor_Icon.ico
  • Project1.xml

详细分析

功能概述

对话框组件演示

使用的组件

  • Form1 (TForm)
  • Button1 (TButton)
  • TaskDialog1 (TTaskDialog)

技术特点

  • 包含3个GUI组件
  • 定义2个事件处理

窗体属性

  • caption: RadioButton4
  • height: 130
  • width: 233

代码分析

导入的模块: - import os - from glcl import * - import time

定义的类: - Form1

定义的方法: - init - show_task_dialog - Button1Click

事件绑定: - self.Button1.OnClick = self.Button1Click - self.button.OnClick = self.show_task_dialog # 设置按钮点击事件处理程序