protected override Control CreateOptions()
{
var foregroundPicker = new ColorPicker();
foregroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in foregroundUpdates)
update(foregroundPicker.Value);
};
var backgroundPicker = new ColorPicker();
backgroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in backgroundUpdates)
update(backgroundPicker.Value);
};
var formColorPicker = new ColorPicker { Value = BackgroundColor };
formColorPicker.ValueChanged += (sender, e) => BackgroundColor = formColorPicker.Value;
var fontPicker = new Button { Text = "Pick Font" };
fontPicker.Click += (sender, e) =>
{
var dlg = new FontDialog();
dlg.FontChanged += (sender2, e2) =>
{
var font = dlg.Font;
foreach (var update in fontUpdates)
update(font);
};
dlg.ShowDialog(this);
};
return new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items = {
null,
new Label { Text = "Text", VerticalAlignment = VerticalAlignment.Center },
foregroundPicker,
new Label { Text = "Background", VerticalAlignment = VerticalAlignment.Center },
backgroundPicker,
new Label { Text = "Form", VerticalAlignment = VerticalAlignment.Center },
formColorPicker,
fontPicker,
null
}
};
}
protected override Control CreateOptions()
{
var foregroundPicker = new ColorPicker();
foregroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in foregroundUpdates)
update(foregroundPicker.Value);
};
var backgroundPicker = new ColorPicker();
backgroundPicker.ValueChanged += (sender, e) =>
{
foreach (var update in backgroundUpdates)
update(backgroundPicker.Value);
};
var formColorPicker = new ColorPicker { Value = BackgroundColor };
formColorPicker.ValueChanged += (sender, e) => BackgroundColor = formColorPicker.Value;
var fontPicker = new Button { Text = "Pick Font" };
fontPicker.Click += (sender, e) => {
var dlg = new FontDialog();
dlg.FontChanged += (sender2, e2) => {
var font = dlg.Font;
foreach (var update in fontUpdates)
update(font);
};
dlg.ShowDialog(this);
};
return new TableLayout(
new TableRow(
null,
new Label { Text = "Text", VerticalAlign = VerticalAlign.Middle },
foregroundPicker,
new Label { Text = "Background", VerticalAlign = VerticalAlign.Middle },
backgroundPicker,
new Label { Text = "Form", VerticalAlign = VerticalAlign.Middle },
formColorPicker,
fontPicker,
null
)
);
}
Control PickFontWithStartingFont()
{
var button = new Button { Text = "Pick Font with initial starting font" };
button.Click += delegate
{
var dialog = new FontDialog
{
Font = selectedFont
};
dialog.FontChanged += delegate
{
// need to handle this event for OS X, where the dialog is a floating window
UpdatePreview(dialog.Font);
Log.Write(dialog, "FontChanged, Font: {0}", dialog.Font);
};
var result = dialog.ShowDialog(ParentWindow);
// do not get the font here, it may return immediately with a result of DialogResult.None on certain platforms
Log.Write(dialog, "Result: {0}", result);
};
return button;
}
Control PickFont()
{
var button = new Button { Text = "Pick Font" };
button.Click += delegate
{
var dialog = new FontDialog();
dialog.FontChanged += delegate
{
// you need to handle this event for OS X, where the dialog is a floating window
UpdatePreview(dialog.Font);
Log.Write(dialog, "FontChanged, Font: {0}", dialog.Font);
};
var result = dialog.ShowDialog(ParentWindow);
Log.Write(dialog, "Result: {0}", result);
};
return button;
}
/// <summary>
/// Raises the font changed event.
/// </summary>
public void OnFontChanged(FontDialog widget, EventArgs e)
{
widget.Platform.Invoke(() => widget.OnFontChanged(e));
}
/// <summary>
/// Raises the font changed event.
/// </summary>
public void OnFontChanged(FontDialog widget, EventArgs e)
{
widget.Platform.Invoke(() => widget.OnFontChanged(e));
}
public RichTextAreaSection()
{
var richText = new RichTextArea();
richText.Size = new Size(-1, 300);
richText.Text = LoremText;
var range = new Range<int>(6, 10);
var buffer = richText.Buffer;
buffer.SetFont(range, Fonts.Cursive(20, FontStyle.Bold, FontDecoration.Underline));
buffer.SetForeground(range, Colors.Blue);
buffer.SetBackground(range, Colors.Yellow);
buffer.SetBold(new Range<int>(11, 16), true);
buffer.SetItalic(new Range<int>(18, 20), true);
buffer.SetUnderline(new Range<int>(22, 25), true);
buffer.SetStrikethrough(new Range<int>(28, 38), true);
richText.CaretIndex = LoremText.Length - 1;
richText.SelectionChanged += (sender, e) =>
{
UpdateBindings(BindingUpdateMode.Destination);
Log.Write(sender, "SelectionChanged: {0}", richText.Selection);
};
var boldButton = new CheckBox { Text = "Bold" };
boldButton.CheckedBinding.Bind(richText, r => r.SelectionBold);
boldButton.CheckedChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var italicButton = new CheckBox { Text = "Italic" };
italicButton.CheckedBinding.Bind(richText, r => r.SelectionItalic);
italicButton.CheckedChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var underlineButton = new CheckBox { Text = "Underline" };
underlineButton.CheckedBinding.Bind(richText, r => r.SelectionUnderline);
underlineButton.CheckedChanged += (sender, e) => richText.Focus();
var strikethroughButton = new CheckBox { Text = "Strikethrough" };
strikethroughButton.CheckedBinding.Bind(richText, r => r.SelectionStrikethrough);
strikethroughButton.CheckedChanged += (sender, e) => richText.Focus();
var backgroundButton = new ColorPicker { };
backgroundButton.ValueBinding.Bind(() => richText.SelectionBackground, val => richText.SelectionBackground = val, h => Binding.AddPropertyEvent(richText, r => r.SelectionBackground, h), h => Binding.RemovePropertyEvent(richText, h));
backgroundButton.ValueChanged += (sender, e) => richText.Focus();
var foregroundButton = new ColorPicker { };
foregroundButton.ValueBinding.Bind(richText, r => r.SelectionForeground);
foregroundButton.ValueChanged += (sender, e) => richText.Focus();
var fontButton = new Button();
fontButton.Bind(c => c.Text, new DelegateBinding<string>(() =>
{
var font = richText.SelectionFont;
if (font == null)
return "<No Font>";
return string.Format("{0}, {1}, {2:0.00}pt", font.FamilyName, font.Typeface.Name, font.Size);
}));
var fd = new FontDialog();
fontButton.Click += (sender, e) =>
{
fd.Font = richText.SelectionFont;
fd.FontChanged += (s, ee) =>
{
richText.SelectionFont = fd.Font;
UpdateBindings(BindingUpdateMode.Destination);
};
if (fd.ShowDialog(this) == DialogResult.Ok)
richText.Focus();
};
var familyDropDown = new DropDown();
familyDropDown.DataStore = Fonts.AvailableFontFamilies.OrderBy(r => r.Name);
familyDropDown.SelectedValueBinding.Bind(richText, r => r.SelectionFamily);
familyDropDown.SelectedValueChanged += (sender, e) =>
{
richText.Focus();
UpdateBindings(BindingUpdateMode.Destination);
};
var formatEnum = new EnumDropDown<RichTextAreaFormat>();
formatEnum.SelectedValue = RichTextAreaFormat.Rtf;
var loadButton = new Button { Text = "Load" };
loadButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
loadButton.Click += (sender, e) => buffer.Load(new MemoryStream(Encoding.UTF8.GetBytes(formatEnum.SelectedValue == RichTextAreaFormat.Rtf ? RtfString : LoremText)), formatEnum.SelectedValue);
var saveButton = new Button { Text = "Save" };
saveButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
saveButton.Click += (sender, e) =>
{
var stream = new MemoryStream();
buffer.Save(stream, formatEnum.SelectedValue);
stream.Position = 0;
Log.Write(richText, "Saved {0}:\n{1}", formatEnum.SelectedValue, new StreamReader(stream).ReadToEnd());
};
formatEnum.SelectedValueChanged += (sender, e) => saveButton.Enabled = loadButton.Enabled = buffer.SupportedFormats.Contains(formatEnum.SelectedValue);
var clearButton = new Button { Text = "Clear" };
clearButton.Click += (sender, e) => buffer.Clear();
var formatting1 = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
boldButton,
italicButton,
underlineButton,
strikethroughButton,
null
}
};
var formatting2 = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
new Label { Text = "Foreground", VerticalAlignment = VerticalAlignment.Center },
TableLayout.AutoSized(foregroundButton, centered: true),
new Label { Text = "Background", VerticalAlignment = VerticalAlignment.Center },
TableLayout.AutoSized(backgroundButton, centered: true),
null
}
};
var formatting3 = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
fontButton,
familyDropDown,
null
}
};
var buttons = new StackLayout
{
Orientation = Orientation.Horizontal,
Spacing = 5,
Items =
{
null,
formatEnum,
loadButton,
saveButton,
clearButton,
null
}
};
Content = new StackLayout
{
Padding = new Padding(10),
Spacing = 5,
HorizontalContentAlignment = HorizontalAlignment.Stretch,
Items =
{
buttons,
TextAreaSection.TextAreaOptions(richText),
TextAreaSection.TextAreaOptions2(richText),
TextAreaSection.TextAreaOptions3(richText),
formatting1,
formatting2,
formatting3,
new StackLayoutItem(richText, expand: true)
}
};
}
public MainForm()
{
Title = $"CodeEditor Test, Platform: {Platform.ID}";
ClientSize = new Size(1400, 800);
Menu = new MenuBar(); // show standard macOS menu.
var editor = new CodeEditor(ProgrammingLanguage.CSharp, true);
editor.Text =
@"// Just some sample code
for( int i=0; i<10; i++ )
{
print(i);
}";
editor.IsFoldingMarginVisible = true;
editor.SetupIndicatorStyles();
editor.AddErrorIndicator(13, 6);
Action <Font, string> pp = (f, pfx) => MessageBox.Show($"{pfx}: name: {editor.Font.FamilyName}, size: {editor.FontSize}");
var btn = new Button {
Text = "Font"
};
btn.Click += (s, e) =>
{
var originalFont = editor.Font ?? SystemFonts.Default();
pp(originalFont, "first");
var fd = new Eto.Forms.FontDialog {
Font = originalFont
};
fd.FontChanged += (ss, ee) =>
{
editor.Font = fd.Font;
pp(editor.Font, "FontChanged");
};
var r = fd.ShowDialog(this);
editor.Font = (r == DialogResult.Ok || r == DialogResult.Yes)
? fd.Font
: originalFont;
pp(fd.Font, "fd");
pp(editor.Font, "editor");
//editor.ShowWhitespaceWithColor(Colors.Red);
//editor.Text = $"name: {editor.FontName}, size: {editor.FontSize}";
};
var tests = new Eto.UnitTest.UI.UnitTestPanel(true, Orientation.Vertical);
this.LoadComplete += async(s, e) =>
{
var testSource = new UnitTest.TestSource(System.Reflection.Assembly.GetExecutingAssembly());
var mtr = new Eto.UnitTest.Runners.MultipleTestRunner();
await mtr.Load(testSource);
tests.Runner = new UnitTest.Runners.LoggingTestRunner(mtr);
CodeEditorTests.editor = editor;
RegexTests.editor = editor;
};
var ta = new TextArea {
Height = 200
};
editor.SelectionChanged += (s, e) =>
ta.Text += $"empty: {e.SelectionIsEmpty}, s:{e.SelectionStart}, e:{e.SelectionEnd}, txt:{e.SelectionText}\n";
var splitter = new Splitter
{
Panel1 = tests,
Panel2 = new Splitter {
Panel1 = editor, Panel2 = ta, Orientation = Orientation.Vertical, Panel1MinimumSize = 100, FixedPanel = SplitterFixedPanel.Panel2
}
};
Content = new TableLayout {
Rows = { splitter }
};
}
/// <summary>
/// Raises the font changed event.
/// </summary>
public void OnFontChanged(FontDialog widget, EventArgs e)
{
using (widget.Platform.Context)
widget.OnFontChanged(e);
}
