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CalculatorView.cs 2.85 KB
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using System;
using System.Collections.Generic;
using System.Text;
using Pango;
namespace Gtk.Calculator
{
class CalculatorView : Window
{
private readonly Label _lblDisplay;
public CalculatorView() : base("Gtk.Calculator")
{
//在窗体关闭时,退出应用程序
this.DeleteEvent += CalculatorView_DeleteEvent;
//设置窗体大小
this.SetSizeRequest(300, 500);
//设置窗体位置
this.SetPosition(WindowPosition.Center);
//去掉最大化按钮,不可以调整大小。
this.Resizable = false;
//创建一个 6 行 4 列的表格
var table = new Table(6, 4, false);
this.Add(table);
//创建一个标签,用来显示结果
_lblDisplay = new Label { Halign = Align.End, Margin = this.DefaultMargin, Valign = Align.End };
table.Attach(_lblDisplay, 0, 4, 0, 1);
//补充计算器的按钮
//leftAttach,rightAttach,topAttach,bottomAttach 分别代表表中控件的左右上下边所在位置
table.Attach(CreateButton("AC"), 0, 1, 1, 2);
table.Attach(CreateButton("+/-"), 1, 2, 1, 2);
table.Attach(CreateButton("%"), 2, 3, 1, 2);
table.Attach(CreateButton("+"), 3, 4, 1, 2);
table.Attach(CreateButton("7"), 0, 1, 2, 3);
table.Attach(CreateButton("8"), 1, 2, 2, 3);
table.Attach(CreateButton("9"), 2, 3, 2, 3);
table.Attach(CreateButton("*"), 3, 4, 2, 3);
table.Attach(CreateButton("4"), 0, 1, 3, 4);
table.Attach(CreateButton("5"), 1, 2, 3, 4);
table.Attach(CreateButton("6"), 2, 3, 3, 4);
table.Attach(CreateButton("-"), 3, 4, 3, 4);
table.Attach(CreateButton("1"), 0, 1, 4, 5);
table.Attach(CreateButton("2"), 1, 2, 4, 5);
table.Attach(CreateButton("3"), 2, 3, 4, 5);
table.Attach(CreateButton("+"), 3, 4, 4, 5);
table.Attach(CreateButton("0"), 0, 2, 5, 6);
table.Attach(CreateButton("."), 2, 3, 5, 6);
table.Attach(CreateButton("="), 3, 4, 5, 6);
}
/// <summary>
/// 获取或设置 按钮之间的间距
/// </summary>
public int DefaultMargin { get; set; } = 3;
private void CalculatorView_DeleteEvent(object o, DeleteEventArgs args)
{
Application.Quit();
}
private Button CreateButton(String text)
{
var btn = new Button(text) { Margin = DefaultMargin };
btn.Clicked += Btn_Clicked;
return btn;
}
private void Btn_Clicked(object sender, EventArgs e)
{
if (sender is Button btn)
{
this._lblDisplay.Text += btn.Label;
}
}
}
}

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C#
1
https://gitee.com/coderbusy/gtk-sharp-demo.git
git@gitee.com:coderbusy/gtk-sharp-demo.git
coderbusy
gtk-sharp-demo
gtk-sharp-demo
master

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