Skip to content

TFontDialogDemo 项目分析

项目信息

文件结构

TFontDialogDemo/
├── 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 *

class Form1(Form):

    def __init__(self, owner):
        self.Button1 = Button(self)
        self.Memo1 = Memo(self)
        self.FontDialog1 = FontDialog(self)
        self.LoadProps(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Unit1.pydfm"))
        self.Button1.OnClick = self.Button1Click

        # 创建一个标签用于显示所选字体
        self.font_label = Label(self)
        self.font_label.Parent = self   # 设置父控件为窗体
        self.font_label.Caption = "Sample Text"  # 标签上的标题
        self.font_label.SetBounds(150, 50, 200, 30)  # 设置标签的位置和大小

        # 创建一个按钮用于打开字体选择对话框
        self.font_button = Button(self)
        self.font_button.Parent = self  # 设置父控件为窗体
        self.font_button.Caption = "Choose Font"  # 按钮上的标题
        self.font_button.SetBounds(150, 100, 150, 30)  # 设置按钮的位置和大小

        # 为按钮设置点击事件处理程序
        self.font_button.OnClick = self.choose_font

    def choose_font(self, Sender):
        # 创建字体选择对话框
        font_dialog = FontDialog(self)

        # 显示对话框并检查用户是否点击了“确定”
        if font_dialog.Execute():
            # 获取用户选择的字体
            selected_font = font_dialog.Font

            # 将所选字体应用于标签
            self.font_label.Font.Assign(selected_font)

            # 显示所选字体的信息
            ShowMessage(f"Selected Font: {selected_font.Name}, Size: {selected_font.Size}, Style: {selected_font.Style}")

    def Button1Click(self, Sender):
        if self.FontDialog1.Execute():
            self.Memo1.Font.Assign(self.FontDialog1.Font)

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 = 267
  ClientWidth = 382
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -15
  Font.Name = 'Segoe UI'
  Font.Style = []
  TextHeight = 20
  object Memo1: TMemo
    Left = 8
    Top = 104
    Width = 369
    Height = 121
    Lines.Strings = (
      '*** Python 3.12.4 (heads/master-dirty:9c62cab, Jun  9 '
      '2024, 14:50:38) [MSC v.1940 64 bit (AMD64)] on win32. '
      '***'
      '*** '#36828#31243' Python '#24341#25806#21551#21160' ***')
    TabOrder = 0
  end
  object Button1: TButton
    Left = 302
    Top = 232
    Width = 75
    Height = 25
    Caption = 'Button1'
    TabOrder = 1
    OnClick = Button1Click
  end
  object FontDialog1: TFontDialog
    Font.Charset = DEFAULT_CHARSET
    Font.Color = clWindowText
    Font.Height = -15
    Font.Name = 'Segoe UI'
    Font.Style = []
    Left = 264
    Top = 232
  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)
  • Memo1 (TMemo)
  • Button1 (TButton)
  • FontDialog1 (TFontDialog)

技术特点

  • 包含4个GUI组件
  • 定义2个事件处理

窗体属性

  • caption: Button1
  • height: 267
  • width: 382

代码分析

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

定义的类: - Form1

定义的方法: - init - choose_font - Button1Click

事件绑定: - self.Button1.OnClick = self.Button1Click - self.font_button.OnClick = self.choose_font