mirror of
https://github.com/gui-cs/Terminal.Gui.git
synced 2025-12-26 15:57:56 +01:00
bcc3034db7
* Fixes #1812. AutoSize stays true with empty text. * Added some more features and bug fixes. * Reformat files.
589 lines
18 KiB
C#
589 lines
18 KiB
C#
using System;
|
|
using Xunit;
|
|
using Xunit.Abstractions;
|
|
|
|
namespace Terminal.Gui.Views {
|
|
public class ButtonTests {
|
|
readonly ITestOutputHelper output;
|
|
|
|
public ButtonTests (ITestOutputHelper output)
|
|
{
|
|
this.output = output;
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void Constructors_Defaults ()
|
|
{
|
|
var btn = new Button ();
|
|
Assert.Equal (string.Empty, btn.Text);
|
|
Application.Top.Add (btn);
|
|
var rs = Application.Begin (Application.Top);
|
|
|
|
Assert.Equal ("[ ]", btn.TextFormatter.Text);
|
|
Assert.False (btn.IsDefault);
|
|
Assert.Equal (TextAlignment.Centered, btn.TextAlignment);
|
|
Assert.Equal ('_', btn.HotKeySpecifier);
|
|
Assert.True (btn.CanFocus);
|
|
Assert.Equal (new Rect (0, 0, 4, 1), btn.Frame);
|
|
Assert.Equal (Key.Null, btn.HotKey);
|
|
var expected = @"
|
|
[ ]
|
|
";
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
|
|
Application.End (rs);
|
|
btn = new Button ("ARGS", true) { Text = "Test" };
|
|
Assert.Equal ("Test", btn.Text);
|
|
Application.Top.Add (btn);
|
|
rs = Application.Begin (Application.Top);
|
|
|
|
Assert.Equal ("[◦ Test ◦]", btn.TextFormatter.Text);
|
|
Assert.True (btn.IsDefault);
|
|
Assert.Equal (TextAlignment.Centered, btn.TextAlignment);
|
|
Assert.Equal ('_', btn.HotKeySpecifier);
|
|
Assert.True (btn.CanFocus);
|
|
Assert.Equal (new Rect (0, 0, 10, 1), btn.Frame);
|
|
Assert.Equal (Key.T, btn.HotKey);
|
|
expected = @"
|
|
[◦ Test ◦]
|
|
";
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
|
|
Application.End (rs);
|
|
btn = new Button (3, 4, "Test", true);
|
|
Assert.Equal ("Test", btn.Text);
|
|
Application.Top.Add (btn);
|
|
rs = Application.Begin (Application.Top);
|
|
|
|
Assert.Equal ("[◦ Test ◦]", btn.TextFormatter.Text);
|
|
Assert.True (btn.IsDefault);
|
|
Assert.Equal (TextAlignment.Centered, btn.TextAlignment);
|
|
Assert.Equal ('_', btn.HotKeySpecifier);
|
|
Assert.True (btn.CanFocus);
|
|
Assert.Equal (new Rect (3, 4, 10, 1), btn.Frame);
|
|
Assert.Equal (Key.T, btn.HotKey);
|
|
expected = @"
|
|
[◦ Test ◦]
|
|
";
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
|
|
Application.End (rs);
|
|
}
|
|
|
|
[Fact]
|
|
[AutoInitShutdown]
|
|
public void KeyBindings_Command ()
|
|
{
|
|
var clicked = false;
|
|
Button btn = new Button ("Test");
|
|
btn.Clicked += () => clicked = true;
|
|
Application.Top.Add (btn);
|
|
Application.Begin (Application.Top);
|
|
|
|
Assert.Equal (Key.T, btn.HotKey);
|
|
Assert.False (btn.ProcessHotKey (new KeyEvent (Key.T, new KeyModifiers ())));
|
|
Assert.False (clicked);
|
|
Assert.True (btn.ProcessHotKey (new KeyEvent (Key.T | Key.AltMask, new KeyModifiers () { Alt = true })));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
Assert.False (btn.IsDefault);
|
|
Assert.False (btn.ProcessColdKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
|
|
Assert.False (clicked);
|
|
btn.IsDefault = true;
|
|
Assert.True (btn.ProcessColdKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
Assert.True (btn.ProcessColdKey (new KeyEvent (Key.AltMask | Key.T, new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
Assert.True (btn.ProcessKey (new KeyEvent (Key.Enter, new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
Assert.True (btn.ProcessKey (new KeyEvent (Key.Space, new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
Assert.True (btn.ProcessKey (new KeyEvent ((Key)'t', new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
Assert.True (btn.ProcessKey (new KeyEvent (Key.Space | btn.HotKey, new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
btn.Text = "Te_st";
|
|
clicked = false;
|
|
Assert.True (btn.ProcessKey (new KeyEvent (Key.Space | btn.HotKey, new KeyModifiers ())));
|
|
Assert.True (clicked);
|
|
}
|
|
|
|
[Fact]
|
|
[AutoInitShutdown]
|
|
public void ChangeHotKey ()
|
|
{
|
|
var clicked = false;
|
|
Button btn = new Button ("Test");
|
|
btn.Clicked += () => clicked = true;
|
|
Application.Top.Add (btn);
|
|
Application.Begin (Application.Top);
|
|
|
|
Assert.Equal (Key.T, btn.HotKey);
|
|
Assert.False (btn.ProcessHotKey (new KeyEvent (Key.T, new KeyModifiers ())));
|
|
Assert.False (clicked);
|
|
Assert.True (btn.ProcessHotKey (new KeyEvent (Key.T | Key.AltMask, new KeyModifiers () { Alt = true })));
|
|
Assert.True (clicked);
|
|
clicked = false;
|
|
|
|
btn.HotKey = Key.E;
|
|
Assert.True (btn.ProcessHotKey (new KeyEvent (Key.E | Key.AltMask, new KeyModifiers () { Alt = true })));
|
|
Assert.True (clicked);
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// This test demonstrates how to change the activation key for Button
|
|
/// as described in the README.md keyboard handling section
|
|
/// </summary>
|
|
[Fact]
|
|
[AutoInitShutdown]
|
|
public void KeyBindingExample ()
|
|
{
|
|
int pressed = 0;
|
|
var btn = new Button ("Press Me");
|
|
btn.Clicked += () => pressed++;
|
|
|
|
// The Button class supports the Accept command
|
|
Assert.Contains (Command.Accept, btn.GetSupportedCommands ());
|
|
|
|
Application.Top.Add (btn);
|
|
Application.Begin (Application.Top);
|
|
|
|
// default keybinding is Enter which results in keypress
|
|
Application.Driver.SendKeys ('\n', ConsoleKey.Enter, false, false, false);
|
|
Assert.Equal (1, pressed);
|
|
|
|
// remove the default keybinding (Enter)
|
|
btn.ClearKeybinding (Command.Accept);
|
|
|
|
// After clearing the default keystroke the Enter button no longer does anything for the Button
|
|
Application.Driver.SendKeys ('\n', ConsoleKey.Enter, false, false, false);
|
|
Assert.Equal (1, pressed);
|
|
|
|
// Set a new binding of b for the click (Accept) event
|
|
btn.AddKeyBinding (Key.b, Command.Accept);
|
|
|
|
// now pressing B should call the button click event
|
|
Application.Driver.SendKeys ('b', ConsoleKey.B, false, false, false);
|
|
Assert.Equal (2, pressed);
|
|
}
|
|
|
|
[Fact]
|
|
public void TestAssignTextToButton ()
|
|
{
|
|
View b = new Button () { Text = "heya" };
|
|
Assert.Equal ("heya", b.Text);
|
|
Assert.True (b.TextFormatter.Text.Contains ("heya"));
|
|
b.Text = "heyb";
|
|
Assert.Equal ("heyb", b.Text);
|
|
Assert.True (b.TextFormatter.Text.Contains ("heyb"));
|
|
|
|
// with cast
|
|
Assert.Equal ("heyb", ((Button)b).Text);
|
|
}
|
|
|
|
[Fact]
|
|
public void Setting_Empty_Text_Sets_HoKey_To_KeyNull ()
|
|
{
|
|
var btn = new Button ("Test");
|
|
Assert.Equal ("Test", btn.Text);
|
|
Assert.Equal (Key.T, btn.HotKey);
|
|
|
|
btn.Text = string.Empty;
|
|
Assert.Equal ("", btn.Text);
|
|
Assert.Equal (Key.Null, btn.HotKey);
|
|
|
|
btn.Text = "Te_st";
|
|
Assert.Equal ("Te_st", btn.Text);
|
|
Assert.Equal (Key.S, btn.HotKey);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void Update_Only_On_Or_After_Initialize ()
|
|
{
|
|
var btn = new Button ("Say Hello 你") {
|
|
X = Pos.Center (),
|
|
Y = Pos.Center ()
|
|
};
|
|
var win = new Window ("Test Demo 你") {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill ()
|
|
};
|
|
win.Add (btn);
|
|
Application.Top.Add (win);
|
|
|
|
Assert.False (btn.IsInitialized);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
|
|
Assert.True (btn.IsInitialized);
|
|
Assert.Equal ("Say Hello 你", btn.Text);
|
|
Assert.Equal ("[ Say Hello 你 ]", btn.TextFormatter.Text);
|
|
Assert.Equal (new Rect (0, 0, 16, 1), btn.Bounds);
|
|
|
|
var expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 ] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
var pos = GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
Assert.Equal (new Rect (0, 0, 30, 5), pos);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void Update_Parameterless_Only_On_Or_After_Initialize ()
|
|
{
|
|
var btn = new Button () {
|
|
X = Pos.Center (),
|
|
Y = Pos.Center (),
|
|
Text = "Say Hello 你"
|
|
};
|
|
var win = new Window () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill (),
|
|
Title = "Test Demo 你"
|
|
};
|
|
win.Add (btn);
|
|
Application.Top.Add (win);
|
|
|
|
Assert.False (btn.IsInitialized);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
|
|
Assert.True (btn.IsInitialized);
|
|
Assert.Equal ("Say Hello 你", btn.Text);
|
|
Assert.Equal ("[ Say Hello 你 ]", btn.TextFormatter.Text);
|
|
Assert.Equal (new Rect (0, 0, 16, 1), btn.Bounds);
|
|
|
|
var expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 ] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
var pos = GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
Assert.Equal (new Rect (0, 0, 30, 5), pos);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void AutoSize_Stays_True_With_EmptyText ()
|
|
{
|
|
var btn = new Button () {
|
|
X = Pos.Center (),
|
|
Y = Pos.Center (),
|
|
AutoSize = true
|
|
};
|
|
|
|
var win = new Window () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill (),
|
|
Title = "Test Demo 你"
|
|
};
|
|
win.Add (btn);
|
|
Application.Top.Add (win);
|
|
|
|
Assert.True (btn.AutoSize);
|
|
|
|
btn.Text = "Say Hello 你";
|
|
|
|
Assert.True (btn.AutoSize);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
var expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 ] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void AutoSize_Stays_True_Center ()
|
|
{
|
|
var btn = new Button () {
|
|
X = Pos.Center (),
|
|
Y = Pos.Center (),
|
|
Text = "Say Hello 你"
|
|
};
|
|
|
|
var win = new Window () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill (),
|
|
Title = "Test Demo 你"
|
|
};
|
|
win.Add (btn);
|
|
Application.Top.Add (win);
|
|
|
|
Assert.True (btn.AutoSize);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
var expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 ] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
|
|
Assert.True (btn.AutoSize);
|
|
btn.Text = "Say Hello 你 changed";
|
|
Assert.True (btn.AutoSize);
|
|
Application.Refresh ();
|
|
expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 changed ] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void AutoSize_Stays_True_AnchorEnd ()
|
|
{
|
|
var btn = new Button () {
|
|
Y = Pos.Center (),
|
|
Text = "Say Hello 你",
|
|
AutoSize = true
|
|
};
|
|
btn.X = Pos.AnchorEnd () - Pos.Function (() => TextFormatter.GetTextWidth (btn.TextFormatter.Text));
|
|
|
|
var win = new Window () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill (),
|
|
Title = "Test Demo 你"
|
|
};
|
|
win.Add (btn);
|
|
Application.Top.Add (win);
|
|
|
|
Assert.True (btn.AutoSize);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
var expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 ]│
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
|
|
Assert.True (btn.AutoSize);
|
|
btn.Text = "Say Hello 你 changed";
|
|
Assert.True (btn.AutoSize);
|
|
Application.Refresh ();
|
|
expected = @"
|
|
┌ Test Demo 你 ──────────────┐
|
|
│ │
|
|
│ [ Say Hello 你 changed ]│
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void AutoSize_False_With_Fixed_Width ()
|
|
{
|
|
var tab = new View ();
|
|
|
|
var lblWidth = 8;
|
|
|
|
var label = new Label ("Find:") {
|
|
Y = 1,
|
|
Width = lblWidth,
|
|
TextAlignment = TextAlignment.Right,
|
|
AutoSize = false
|
|
};
|
|
tab.Add (label);
|
|
|
|
var txtToFind = new TextField ("Testing buttons.") {
|
|
X = Pos.Right (label) + 1,
|
|
Y = Pos.Top (label),
|
|
Width = 20
|
|
};
|
|
tab.Add (txtToFind);
|
|
|
|
var btnFindNext = new Button ("Find _Next") {
|
|
X = Pos.Right (txtToFind) + 1,
|
|
Y = Pos.Top (label),
|
|
Width = 20,
|
|
Enabled = !txtToFind.Text.IsEmpty,
|
|
TextAlignment = TextAlignment.Centered,
|
|
IsDefault = true,
|
|
AutoSize = false
|
|
};
|
|
tab.Add (btnFindNext);
|
|
|
|
var btnFindPrevious = new Button ("Find _Previous") {
|
|
X = Pos.Right (txtToFind) + 1,
|
|
Y = Pos.Top (btnFindNext) + 1,
|
|
Width = 20,
|
|
Enabled = !txtToFind.Text.IsEmpty,
|
|
TextAlignment = TextAlignment.Centered,
|
|
AutoSize = false
|
|
};
|
|
tab.Add (btnFindPrevious);
|
|
|
|
var btnCancel = new Button ("Cancel") {
|
|
X = Pos.Right (txtToFind) + 1,
|
|
Y = Pos.Top (btnFindPrevious) + 2,
|
|
Width = 20,
|
|
TextAlignment = TextAlignment.Centered,
|
|
AutoSize = false
|
|
};
|
|
tab.Add (btnCancel);
|
|
|
|
var ckbMatchCase = new CheckBox ("Match c_ase") {
|
|
X = 0,
|
|
Y = Pos.Top (txtToFind) + 2,
|
|
Checked = true
|
|
};
|
|
tab.Add (ckbMatchCase);
|
|
|
|
var ckbMatchWholeWord = new CheckBox ("Match _whole word") {
|
|
X = 0,
|
|
Y = Pos.Top (ckbMatchCase) + 1,
|
|
Checked = false
|
|
};
|
|
tab.Add (ckbMatchWholeWord);
|
|
|
|
var tabView = new TabView () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill ()
|
|
};
|
|
tabView.AddTab (new TabView.Tab ("Find", tab), true);
|
|
|
|
var win = new Window ("Find") {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill ()
|
|
};
|
|
|
|
tab.Width = label.Width + txtToFind.Width + btnFindNext.Width + 2;
|
|
tab.Height = btnFindNext.Height + btnFindPrevious.Height + btnCancel.Height + 4;
|
|
|
|
win.Add (tabView);
|
|
Application.Top.Add (win);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (54, 11);
|
|
|
|
Assert.Equal (new Rect (0, 0, 54, 11), win.Frame);
|
|
Assert.Equal (new Rect (0, 0, 52, 9), tabView.Frame);
|
|
Assert.Equal (new Rect (0, 0, 50, 7), tab.Frame);
|
|
Assert.Equal (new Rect (0, 1, 8, 1), label.Frame);
|
|
Assert.Equal (new Rect (9, 1, 20, 1), txtToFind.Frame);
|
|
|
|
Assert.Equal (0, txtToFind.ScrollOffset);
|
|
Assert.Equal (16, txtToFind.CursorPosition);
|
|
|
|
Assert.Equal (new Rect (30, 1, 20, 1), btnFindNext.Frame);
|
|
Assert.Equal (new Rect (30, 2, 20, 1), btnFindPrevious.Frame);
|
|
Assert.Equal (new Rect (30, 4, 20, 1), btnCancel.Frame);
|
|
Assert.Equal (new Rect (0, 3, 12, 1), ckbMatchCase.Frame);
|
|
Assert.Equal (new Rect (0, 4, 18, 1), ckbMatchWholeWord.Frame);
|
|
var expected = @"
|
|
┌ Find ──────────────────────────────────────────────┐
|
|
│┌────┐ │
|
|
││Find│ │
|
|
││ └─────────────────────────────────────────────┐│
|
|
││ ││
|
|
││ Find: Testing buttons. [◦ Find Next ◦] ││
|
|
││ [ Find Previous ] ││
|
|
││√ Match case ││
|
|
││╴ Match whole word [ Cancel ] ││
|
|
│└──────────────────────────────────────────────────┘│
|
|
└────────────────────────────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void Pos_Center_Layout_AutoSize_True ()
|
|
{
|
|
var button = new Button ("Process keys") {
|
|
X = Pos.Center (),
|
|
Y = Pos.Center (),
|
|
IsDefault = true
|
|
};
|
|
var win = new Window () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill ()
|
|
};
|
|
win.Add (button);
|
|
Application.Top.Add (win);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
Assert.True (button.AutoSize);
|
|
Assert.Equal (new Rect (5, 1, 18, 1), button.Frame);
|
|
var expected = @"
|
|
┌────────────────────────────┐
|
|
│ │
|
|
│ [◦ Process keys ◦] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
|
|
[Fact, AutoInitShutdown]
|
|
public void Pos_Center_Layout_AutoSize_False ()
|
|
{
|
|
var button = new Button ("Process keys") {
|
|
X = Pos.Center (),
|
|
Y = Pos.Center (),
|
|
Width = 20,
|
|
IsDefault = true,
|
|
AutoSize = false
|
|
};
|
|
var win = new Window () {
|
|
Width = Dim.Fill (),
|
|
Height = Dim.Fill ()
|
|
};
|
|
win.Add (button);
|
|
Application.Top.Add (win);
|
|
|
|
Application.Begin (Application.Top);
|
|
((FakeDriver)Application.Driver).SetBufferSize (30, 5);
|
|
Assert.False (button.AutoSize);
|
|
Assert.Equal (new Rect (4, 1, 20, 1), button.Frame);
|
|
var expected = @"
|
|
┌────────────────────────────┐
|
|
│ │
|
|
│ [◦ Process keys ◦] │
|
|
│ │
|
|
└────────────────────────────┘
|
|
";
|
|
|
|
GraphViewTests.AssertDriverContentsWithFrameAre (expected, output);
|
|
}
|
|
}
|
|
}
|