Files
Terminal.Gui/UICatalog/Scenarios/Dialogs.cs
Tigger Kindel 05e203c7a4 lots of fixes
2023-10-04 06:42:47 -06:00

268 lines
7.4 KiB
C#

using System.Text;
using System;
using System.Collections.Generic;
using Terminal.Gui;
namespace UICatalog.Scenarios {
[ScenarioMetadata (Name: "Dialogs", Description: "Demonstrates how to the Dialog class")]
[ScenarioCategory ("Dialogs")]
public class Dialogs : Scenario {
static int CODE_POINT = '你'; // We know this is a wide char
public override void Setup ()
{
var frame = new FrameView ("Dialog Options") {
X = Pos.Center (),
Y = 1,
Width = Dim.Percent (75),
};
var label = new Label ("Width:") {
X = 0,
Y = 0,
Width = 15,
Height = 1,
TextAlignment = Terminal.Gui.TextAlignment.Right,
};
frame.Add (label);
var widthEdit = new TextField ("0") {
X = Pos.Right (label) + 1,
Y = Pos.Top (label),
Width = 5,
Height = 1
};
frame.Add (widthEdit);
label = new Label ("Height:") {
X = 0,
Y = Pos.Bottom (label),
Width = Dim.Width (label),
Height = 1,
TextAlignment = Terminal.Gui.TextAlignment.Right,
};
frame.Add (label);
var heightEdit = new TextField ("0") {
X = Pos.Right (label) + 1,
Y = Pos.Top (label),
Width = 5,
Height = 1
};
frame.Add (heightEdit);
frame.Add (new Label ("If height & width are both 0,") {
X = Pos.Right (widthEdit) + 2,
Y = Pos.Top (widthEdit),
});
frame.Add (new Label ("the Dialog will size to 80% of container.") {
X = Pos.Right (heightEdit) + 2,
Y = Pos.Top (heightEdit),
});
label = new Label ("Title:") {
X = 0,
Y = Pos.Bottom (label),
Width = Dim.Width (label),
Height = 1,
TextAlignment = Terminal.Gui.TextAlignment.Right,
};
frame.Add (label);
var titleEdit = new TextField ("Title") {
X = Pos.Right (label) + 1,
Y = Pos.Top (label),
Width = Dim.Fill (),
Height = 1
};
frame.Add (titleEdit);
label = new Label ("Num Buttons:") {
X = 0,
Y = Pos.Bottom (label), // BUGBUG: if this is Pos.Bottom (titleEdit) the initial LayoutSubviews does not work correctly?!?!
Width = Dim.Width (label),
Height = 1,
TextAlignment = Terminal.Gui.TextAlignment.Right,
};
frame.Add (label);
var numButtonsEdit = new TextField ("3") {
X = Pos.Right (label) + 1,
Y = Pos.Top (label),
Width = 5,
Height = 1
};
frame.Add (numButtonsEdit);
var glyphsNotWords = new CheckBox ($"Add {Char.ConvertFromUtf32 (CODE_POINT)} to button text to stress wide char support", false) {
X = Pos.Left (numButtonsEdit),
Y = Pos.Bottom (label),
TextAlignment = Terminal.Gui.TextAlignment.Right,
};
frame.Add (glyphsNotWords);
label = new Label ("Button Style:") {
X = 0,
Y = Pos.Bottom (glyphsNotWords),
TextAlignment = Terminal.Gui.TextAlignment.Right
};
frame.Add (label);
var styleRadioGroup = new RadioGroup (new string [] { "Center", "Justify", "Left", "Right" }) {
X = Pos.Right (label) + 1,
Y = Pos.Top (label),
};
frame.Add (styleRadioGroup);
frame.ForceValidatePosDim = true;
void Top_Loaded (object sender, EventArgs args)
{
frame.Height =
widthEdit.Frame.Height +
heightEdit.Frame.Height +
titleEdit.Frame.Height +
numButtonsEdit.Frame.Height +
glyphsNotWords.Frame.Height +
styleRadioGroup.Frame.Height;
Application.Top.Loaded -= Top_Loaded;
}
Application.Top.Loaded += Top_Loaded;
Win.Add (frame);
label = new Label ("Button Pressed:") {
X = Pos.Center (),
Y = Pos.Bottom (frame) + 4,
Height = 1,
TextAlignment = Terminal.Gui.TextAlignment.Right,
};
Win.Add (label);
var buttonPressedLabel = new Label (" ") {
X = Pos.Center (),
Y = Pos.Bottom (frame) + 5,
Width = 25,
Height = 1,
ColorScheme = Colors.Error,
};
// glyphsNotWords
// false:var btnText = new [] { "Zero", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine" };
// true: var btnText = new [] { "0", "\u2780", "➁", "\u2783", "\u2784", "\u2785", "\u2786", "\u2787", "\u2788", "\u2789" };
// \u2781 is ➁ dingbats \ufb70 is
var showDialogButton = new Button ("Show Dialog") {
X = Pos.Center (),
Y = Pos.Bottom (frame) + 2,
IsDefault = true,
};
showDialogButton.Clicked += (s, e) => {
var dlg = CreateDemoDialog (widthEdit, heightEdit, titleEdit, numButtonsEdit, glyphsNotWords, styleRadioGroup, buttonPressedLabel);
Application.Run (dlg);
};
Win.Add (showDialogButton);
Win.Add (buttonPressedLabel);
}
Dialog CreateDemoDialog (TextField widthEdit, TextField heightEdit, TextField titleEdit, TextField numButtonsEdit, CheckBox glyphsNotWords, RadioGroup styleRadioGroup, Label buttonPressedLabel)
{
Dialog dialog = null;
try {
int width = 0;
int.TryParse (widthEdit.Text, out width);
int height = 0;
int.TryParse (heightEdit.Text, out height);
int numButtons = 3;
int.TryParse (numButtonsEdit.Text, out numButtons);
var buttons = new List<Button> ();
var clicked = -1;
for (int i = 0; i < numButtons; i++) {
int buttonId = i;
Button button = null;
if (glyphsNotWords.Checked == true) {
buttonId = i;
button = new Button (NumberToWords.Convert (buttonId) + " " + Char.ConvertFromUtf32 (buttonId + CODE_POINT),
is_default: buttonId == 0);
} else {
button = new Button (NumberToWords.Convert (buttonId),
is_default: buttonId == 0);
}
button.Clicked += (s, e) => {
clicked = buttonId;
Application.RequestStop ();
};
buttons.Add (button);
}
//if (buttons.Count > 1) {
// buttons [1].Text = "Accept";
// buttons [1].IsDefault = true;
// buttons [0].Visible = false;
// buttons [0].Text = "_Back";
// buttons [0].IsDefault = false;
//}
// This tests dynamically adding buttons; ensuring the dialog resizes if needed and
// the buttons are laid out correctly
dialog = new Dialog (buttons.ToArray ()) {
Title = titleEdit.Text,
ButtonAlignment = (Dialog.ButtonAlignments)styleRadioGroup.SelectedItem
};
if (height != 0 || width != 0) {
dialog.Height = height;
dialog.Width = width;
}
var add = new Button ("Add a button") {
X = Pos.Center (),
Y = Pos.Center ()
};
add.Clicked += (s, e) => {
var buttonId = buttons.Count;
Button button;
if (glyphsNotWords.Checked == true) {
button = new Button (NumberToWords.Convert (buttonId) + " " + Char.ConvertFromUtf32 (buttonId + CODE_POINT),
is_default: buttonId == 0);
} else {
button = new Button (NumberToWords.Convert (buttonId),
is_default: buttonId == 0);
}
button.Clicked += (s, e) => {
clicked = buttonId;
Application.RequestStop ();
};
buttons.Add (button);
dialog.AddButton (button);
if (buttons.Count > 1) {
button.TabIndex = buttons [buttons.Count - 2].TabIndex + 1;
}
};
dialog.Add (add);
var addChar = new Button ($"Add a {Char.ConvertFromUtf32 (CODE_POINT)} to each button") {
X = Pos.Center (),
Y = Pos.Center () + 1
};
addChar.Clicked += (s, e) => {
foreach (var button in buttons) {
button.Text += Char.ConvertFromUtf32 (CODE_POINT);
}
dialog.LayoutSubviews ();
};
dialog.Closed += (s, e) => {
buttonPressedLabel.Text = $"{clicked}";
};
dialog.Add (addChar);
} catch (FormatException) {
buttonPressedLabel.Text = "Invalid Options";
}
return dialog;
}
}
}