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Adds a better keyup/keydown demo to demo.cs (#395)

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* Revert "Drop NuGet restore"

This reverts commit 5c7a0d05f0.

* Revert "Revert "Drop NuGet restore""

This reverts commit 2dc5fce865.

* merge

* better keyup/down demo
This commit is contained in:
Charlie Kindel
2020-04-29 09:09:34 -06:00
committed by GitHub
parent 427cf4784b
commit 8b26240741
1 changed files with 30 additions and 20 deletions
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50
Example/demo.cs
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@@ -417,29 +417,39 @@ static class Demo {
private static void OnKeyDownUpDemo ()
{
var container = new Dialog (
"OnKeyDown & OnKeyUp demo", 50, 20,
new Button ("Ok", is_default: true) { Clicked = () => { Application.RequestStop (); } },
new Button ("Cancel") { Clicked = () => { Application.RequestStop (); } });
"OnKeyDown & OnKeyUp demo", 80, 20,
new Button ("Close") { Clicked = () => { Application.RequestStop (); } }) {
Width = Dim.Fill (),
Height = Dim.Fill (),
};
var kl = new Label (new Rect (3, 3, 40, 1), "Keyboard: ");
container.OnKeyDown += (KeyEvent keyEvent) => KeyUpDown (keyEvent, kl, "Down");
container.OnKeyUp += (KeyEvent keyEvent) => KeyUpDown (keyEvent, kl, "Up");
container.Add (kl);
var list = new List<string> ();
var listView = new ListView (list) {
X = 0,
Y = 0,
Width = Dim.Fill () - 1,
Height = Dim.Fill () - 2,
};
listView.ColorScheme = Colors.TopLevel;
container.Add (listView);
void KeyUpDown (KeyEvent keyEvent, string updown)
{
if ((keyEvent.Key & Key.CtrlMask) != 0) {
list.Add ($"Key{updown,-4}: Ctrl ");
} else if ((keyEvent.Key & Key.AltMask) != 0) {
list.Add ($"Key{updown,-4}: Alt ");
} else {
list.Add ($"Key{updown,-4}: {(((uint)keyEvent.KeyValue & (uint)Key.CharMask) > 26 ? $"{(char)keyEvent.KeyValue}" : $"{keyEvent.Key}")}");
}
listView.MoveDown ();
}
container.OnKeyDown += (KeyEvent keyEvent) => KeyUpDown (keyEvent, "Down");
container.OnKeyUp += (KeyEvent keyEvent) => KeyUpDown (keyEvent, "Up");
Application.Run (container);
}
private static void KeyUpDown (KeyEvent keyEvent, Label kl, string updown)
{
kl.TextColor = Colors.TopLevel.Normal;
if ((keyEvent.Key & Key.CtrlMask) != 0) {
kl.Text = $"Keyboard: Ctrl Key{updown}";
} else if ((keyEvent.Key & Key.AltMask) != 0) {
kl.Text = $"Keyboard: Alt Key{updown}";
} else {
kl.Text = $"Keyboard: {(char)keyEvent.KeyValue} Key{updown}";
}
}
#endregion
#endregion
public static Label ml;
public static MenuBar menu;