TColorGridDemo 项目分析

项目信息

• 项目名称: TColorGridDemo
• 下载链接: TColorGridDemo.rar
• 分析时间: 2026-03-05

文件结构

TColorGridDemo/
├── 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.ColorGrid1 = ColorGrid(self)
        self.LoadProps(os.path.join(os.path.dirname(os.path.abspath(__file__)), "Unit1.pydfm"))
        self.ColorGrid1.OnChange = self.ColorGrid1Change

        # 创建一个TColorGrid实例，作为颜色选择网格
        self.color_grid = ColorGrid(self)
        self.color_grid.Parent = self          # 设置其父控件为当前窗体
        self.color_grid.Left = 50              # 设置颜色网格的位置
        self.color_grid.Top = 50               # 设置颜色网格的位置
        self.color_grid.Width = 300             # 设置颜色网格的宽度
        self.color_grid.Height = 200            # 设置颜色网格的高度
        self.color_grid.OnClick = self.color_selected  # 绑定点击事件

        # 显示已选择的颜色标签
        self.selected_color_label = Label(self)
        self.selected_color_label.Parent = self  # 设置其父控件为当前窗体
        self.selected_color_label.Left = 150     # 标签左边位置
        self.selected_color_label.Top = 260       # 标签顶边位置
        self.selected_color_label.Caption = 'Selected Color: None'  # 初始文本

    # 颜色选择处理程序
    def color_selected(self, Sender):
        # 获取当前选中的颜色索引
        index = self.color_grid.ForegroundIndex
        self.Caption = str(index)
        # 将选中的颜色值转为字符串形式并设置给标签的标题
        self.selected_color_label.Caption = Application.ColorToString(self.color_grid.ForegroundColor)

    def ColorGrid1Change(self, Sender):
        ShowMessage(Application.ColorToString(self.ColorGrid1.ForegroundColor))

设计文件: Unit1.sct

def ColorGrid1Change(Sender): 

设计文件: Unit1.sfm

object Form1: TForm
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 379
  ClientWidth = 385
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -15
  Font.Name = 'Segoe UI'
  Font.Style = []
  TextHeight = 20
  object ColorGrid1: TColorGrid
    Left = 16
    Top = 264
    Width = 100
    Height = 100
    TabOrder = 0
    OnChange = ColorGrid1Change
  end
end

其他文件

• Extractor_Icon.ico
• Project1.xml

详细分析

功能概述

网格组件演示

使用的组件

• Form1 (TForm)
• ColorGrid1 (TColorGrid)

技术特点

• 包含2个GUI组件
• 定义2个事件处理

窗体属性

• caption: Form1
• height: 379
• width: 385

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 - color_selected - ColorGrid1Change

事件绑定: - self.ColorGrid1.OnChange = self.ColorGrid1Change - self.color_grid.OnClick = self.color_selected # 绑定点击事件

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