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ComboBox supports Dim.Fill() Dim.Percent()

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This commit is contained in:
Ross Ferguson
2020-06-05 09:18:20 +01:00
parent 4a3e1d0959
commit 6f7285cfd4
1 changed files with 26 additions and 12 deletions
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38
Terminal.Gui/Views/ComboBox.cs
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@@ -6,10 +6,11 @@
//
using System;
using System.Linq;
using System.Collections.Generic;
using NStack;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using NStack;
namespace Terminal.Gui {
/// <summary>
@@ -17,6 +18,7 @@ namespace Terminal.Gui {
/// </summary>
public class ComboBox : View {
IListDataSource source;
/// <summary>
/// Gets or sets the <see cref="IListDataSource"/> backing this <see cref="ComboBox"/>, enabling custom rendering.
@@ -56,9 +58,8 @@ namespace Terminal.Gui {
/// Client code can hook up to this event, it is
/// raised when the selection has been confirmed.
/// </remarks>
public event EventHandler<ustring> Changed;
public event EventHandler<ustring> SelectedItemChanged;
//IList<string> listsource;
IList searchset;
ustring text = "";
TextField search;
@@ -109,10 +110,11 @@ namespace Terminal.Gui {
{
search.TextChanged += Search_Changed;
// On resize
LayoutComplete += (LayoutEventArgs a) => {
search.Width = Frame.Width;
listview.Width = Frame.Width - 1;
search.Width = Bounds.Width;
listview.Width = Bounds.Width - 1;
};
listview.SelectedItemChanged += (ListViewItemEventArgs e) => {
@@ -121,7 +123,6 @@ namespace Terminal.Gui {
SetValue ((string)searchset [listview.SelectedItem]);
};
// TODO: LayoutComplete event breaks cursor up/down. Revert to Application.Loaded
Application.Loaded += (Application.ResizedEventArgs a) => {
// Determine if this view is hosted inside a dialog
for (View view = this.SuperView; view != null; view = view.SuperView) {
@@ -184,7 +185,7 @@ namespace Terminal.Gui {
if (e.MouseEvent.Flags != MouseFlags.Button1Clicked)
return;
SuperView.SetFocus ((View)search);
SuperView.SetFocus (search);
}
///<inheritdoc/>
@@ -198,6 +199,19 @@ namespace Terminal.Gui {
return true;
}
/// <summary>
/// Invokes the SelectedChanged event if it is defined.
/// </summary>
/// <returns></returns>
public virtual bool OnSelectedChanged ()
{
// Note: Cannot rely on "listview.SelectedItem != lastSelectedItem" because the list is dynamic.
// So we cannot optimize. Ie: Don't call if not changed
SelectedItemChanged?.Invoke (this, search.Text);
return true;
}
///<inheritdoc/>
public override bool ProcessKey(KeyEvent e)
{
@@ -215,7 +229,7 @@ namespace Terminal.Gui {
SetValue((string)searchset [listview.SelectedItem]);
search.CursorPosition = search.Text.Length;
Search_Changed (search.Text);
Changed?.Invoke (this, text);
OnSelectedChanged ();
searchset.Clear();
listview.Clear ();
@@ -244,7 +258,7 @@ namespace Terminal.Gui {
if (e.Key == Key.Esc) {
this.SetFocus (search);
search.Text = text = "";
Changed?.Invoke (this, search.Text);
OnSelectedChanged ();
return true;
}
@@ -286,7 +300,7 @@ namespace Terminal.Gui {
private void Reset()
{
search.Text = text = "";
Changed?.Invoke (this, search.Text);
OnSelectedChanged();
ResetSearchSet ();