我正在尝试使用Gtk#-C#在Monodevelop中制作游戏,其中玩家使用箭头键移动角色。但是,箭头键按下没有注册。
有没有办法手动检测按键,绕过默认处理程序?
Google和Stack Overflow上的多次搜索都没有给出如何使用Gtk-C#检测箭头键的答案。
这是我用来尝试检测箭头键的代码:
protected void Key_Press (object obj, KeyPressEventArgs args)
{
//Let the rest of the program know what keys were pressed.
if (pressedKeys.Contains (args.Event.Key))
return;
pressedKeys.Add (args.Event.Key, args.Event.Key);
}
这是我试图弄清楚如何检测箭头键的基本程序:
public MainWindow (): base (Gtk.WindowType.Toplevel)
{
Build ();
this.KeyPressEvent += new KeyPressEventHandler (KeyPress);
}
protected void KeyPress (object sender, KeyPressEventArgs args)
{
if (args.Event.Key == Gdk.Key.Up)
return;
label1.Text = args.Event.Key.ToString ();
}
答案 0 :(得分:4)
您需要做的就是像这样添加KeyPress
处理程序:
KeyPressEvent += KeyPress;
并将GLib.ConnectBefore
属性添加到您的事件中,以便在应用程序处理程序使用它之前收到它:
[GLib.ConnectBefore]
using System;
using Gtk;
public partial class MainWindow : Gtk.Window
{
public MainWindow() : base(Gtk.WindowType.Toplevel)
{
Build();
KeyPressEvent += KeyPress;
}
[GLib.ConnectBefore]
protected void KeyPress(object sender, KeyPressEventArgs args)
{
Console.WriteLine(args.Event.Key);
}
protected void OnDeleteEvent(object sender, DeleteEventArgs a)
{
KeyPressEvent -= KeyPress;
Application.Quit();
a.RetVal = true;
}
}
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