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Mouse text selection with cut, copy and paste on text fields

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This commit is contained in:
BDisp
2019-11-17 01:10:00 +00:00
parent c072e29a68
commit 85015ee2f4
9 changed files with 1105 additions and 572 deletions
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220
Example/demo.cs
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@@ -3,7 +3,10 @@ using System;
using Mono.Terminal;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.Reflection;
using NStack;
static class Demo {
class Box10x : View {
@@ -42,6 +45,9 @@ static class Demo {
Rune r;
switch (x % 3) {
case 0:
Driver.AddRune (y.ToString ().ToCharArray (0, 1) [0]);
if (y > 9)
Driver.AddRune (y.ToString ().ToCharArray (1, 1) [0]);
r = '.';
break;
case 1:
@@ -60,11 +66,15 @@ static class Demo {
static void ShowTextAlignments (View container)
{
int i = 0;
string txt = "Hello world, how are you doing today";
container.Add (
new Label (new Rect (0, 0, 40, 3), "1-Hello world, how are you doing today") { TextAlignment = TextAlignment.Left },
new Label (new Rect (0, 4, 40, 3), "2-Hello world, how are you doing today") { TextAlignment = TextAlignment.Right },
new Label (new Rect (0, 8, 40, 3), "3-Hello world, how are you doing today") { TextAlignment = TextAlignment.Centered },
new Label (new Rect (0, 12, 40, 3), "4-Hello world, how are you doing today") { TextAlignment = TextAlignment.Justified });
new FrameView (new Rect (75, 1, txt.Length + 6, 20), "Text Alignments") {
new Label(new Rect(0, 1, 40, 3), $"{i+1}-{txt}") { TextAlignment = TextAlignment.Left },
new Label(new Rect(0, 5, 40, 3), $"{i+2}-{txt}") { TextAlignment = TextAlignment.Right },
new Label(new Rect(0, 9, 40, 3), $"{i+3}-{txt}") { TextAlignment = TextAlignment.Centered },
new Label(new Rect(0, 13, 40, 3), $"{i+4}-{txt}") { TextAlignment = TextAlignment.Justified }
});
}
static void ShowEntries (View container)
@@ -75,9 +85,11 @@ static class Demo {
ShowVerticalScrollIndicator = true,
ShowHorizontalScrollIndicator = true
};
#if false
scrollView.Add (new Box10x (0, 0));
//scrollView.Add (new Filler (new Rect (0, 0, 40, 40)));
#else
scrollView.Add (new Filler (new Rect (0, 0, 40, 40)));
#endif
// This is just to debug the visuals of the scrollview when small
var scrollView2 = new ScrollView (new Rect (72, 10, 3, 3)) {
@@ -143,7 +155,9 @@ static class Demo {
new TimeField (3, 20, DateTime.Now),
new TimeField (23, 20, DateTime.Now, true),
progress,
new Label (3, 22, "Press F9 (on Unix, ESC+9 is an alias) to activate the menubar")
new Label (3, 24, "Press F9 (on Unix, ESC+9 is an alias) to activate the menubar"),
menuKeysStyle,
menuAutoMouseNav
);
@@ -164,10 +178,11 @@ static class Demo {
//
// Creates a nested editor
static void Editor(Toplevel top) {
static void Editor (Toplevel top)
{
var tframe = top.Frame;
var ntop = new Toplevel(tframe);
var menu = new MenuBar(new MenuBarItem[] {
var ntop = new Toplevel (tframe);
var menu = new MenuBar (new MenuBarItem [] {
new MenuBarItem ("_File", new MenuItem [] {
new MenuItem ("_Close", "", () => {Application.RequestStop ();}),
}),
@@ -177,25 +192,25 @@ static class Demo {
new MenuItem ("_Paste", "", null)
}),
});
ntop.Add(menu);
ntop.Add (menu);
string fname = null;
foreach (var s in new[] { "/etc/passwd", "c:\\windows\\win.ini" })
if (System.IO.File.Exists(s)) {
foreach (var s in new [] { "/etc/passwd", "c:\\windows\\win.ini" })
if (System.IO.File.Exists (s)) {
fname = s;
break;
}
var win = new Window(fname ?? "Untitled") {
var win = new Window (fname ?? "Untitled") {
X = 0,
Y = 1,
Width = Dim.Fill(),
Height = Dim.Fill()
Width = Dim.Fill (),
Height = Dim.Fill ()
};
ntop.Add(win);
ntop.Add (win);
var text = new TextView (new Rect (0, 0, tframe.Width - 2, tframe.Height - 3));
var text = new TextView(new Rect(0, 0, tframe.Width - 2, tframe.Height - 3));
if (fname != null)
text.Text = System.IO.File.ReadAllText (fname);
win.Add (text);
@@ -211,7 +226,7 @@ static class Demo {
static void Close ()
{
MessageBox.ErrorQuery (50, 5, "Error", "There is nothing to close", "Ok");
MessageBox.ErrorQuery (50, 7, "Error", "There is nothing to close", "Ok");
}
// Watch what happens when I try to introduce a newline after the first open brace
@@ -223,7 +238,7 @@ static class Demo {
var d = new OpenDialog ("Open", "Open a file");
Application.Run (d);
MessageBox.Query (50, 7, "Selected File", string.Join (", ", d.FilePaths), "ok");
MessageBox.Query (50, 7, "Selected File", string.Join (", ", d.FilePaths), "Ok");
}
public static void ShowHex (Toplevel top)
@@ -254,9 +269,103 @@ static class Demo {
};
win.Add (hex);
Application.Run (ntop);
}
public class MenuItemDetails : MenuItem {
ustring title;
string help;
Action action;
public MenuItemDetails (ustring title, string help, Action action) : base (title, help, action)
{
this.title = title;
this.help = help;
this.action = action;
}
public static MenuItemDetails Instance (MenuItem mi)
{
return (MenuItemDetails)mi.GetMenuItem ();
}
}
public delegate MenuItem MenuItemDelegate (MenuItemDetails menuItem);
public static void ShowMenuItem (MenuItem mi)
{
BindingFlags flags = BindingFlags.Public | BindingFlags.Static;
MethodInfo minfo = typeof (MenuItemDetails).GetMethod ("Instance", flags);
MenuItemDelegate mid = (MenuItemDelegate)Delegate.CreateDelegate (typeof (MenuItemDelegate), minfo);
MessageBox.Query (70, 7, mi.Title.ToString (),
$"{mi.Title.ToString ()} selected. Is from submenu: {mi.GetMenuBarItem ()}", "Ok");
}
private static void MenuKeysStyle_Toggled (object sender, EventArgs e)
{
menu.UseKeysUpDownAsKeysLeftRight = menuKeysStyle.Checked;
}
private static void MenuAutoMouseNav_Toggled (object sender, EventArgs e)
{
menu.WantMousePositionReports = menuAutoMouseNav.Checked;
}
//private static TextField GetTextFieldSelText (View vt)
//{
// TextField textField;
// foreach (View v in vt.Subviews) {
// if (v is TextField && ((TextField)v).SelText != "")
// return v as TextField;
// else
// textField = GetTextFieldSelText (v);
// if (textField != null)
// return textField;
// }
// return null;
//}
private static void Copy ()
{
TextField textField = menu.LastFocused as TextField;
if (textField != null && textField.SelLength > 0) {
Clipboard.Contents = textField.SelText;
textField.SelLength = 0;
textField.SetNeedsDisplay ();
}
}
private static void Cut ()
{
TextField textField = menu.LastFocused as TextField;
if (textField != null && textField.SelLength > 0) {
Clipboard.Contents = textField.SelText;
string actualText = textField.Text.ToString ();
string newText = actualText.Substring (0, textField.SelStart) +
actualText.Substring (textField.SelStart + textField.SelLength, actualText.Length - textField.SelStart - textField.SelLength);
textField.Text = newText;
textField.SelLength = 0;
textField.CursorPosition = textField.SelStart == -1 ? textField.CursorPosition : textField.SelStart;
textField.SetNeedsDisplay ();
}
}
private static void Paste ()
{
TextField textField = menu.LastFocused as TextField;
if (textField != null) {
string actualText = textField.Text.ToString ();
int start = textField.SelStart == -1 ? textField.CursorPosition : textField.SelStart;
string newText = actualText.Substring (0, start) +
Clipboard.Contents?.ToString() +
actualText.Substring (start + textField.SelLength, actualText.Length - start - textField.SelLength);
textField.Text = newText;
textField.SelLength = 0;
textField.SetNeedsDisplay ();
}
}
#region Selection Demo
static void ListSelectionDemo ()
@@ -295,14 +404,19 @@ static class Demo {
public static Label ml;
public static MenuBar menu;
public static CheckBox menuKeysStyle;
public static CheckBox menuAutoMouseNav;
static void Main ()
{
if (Debugger.IsAttached)
CultureInfo.DefaultThreadCurrentUICulture = CultureInfo.GetCultureInfo ("en-US");
//Application.UseSystemConsole = true;
Application.Init ();
var top = Application.Top;
var tframe = top.Frame;
//Open ();
#if true
var win = new Window ("Hello") {
@@ -312,27 +426,63 @@ static class Demo {
Height = Dim.Fill ()
};
#else
var tframe = top.Frame;
var win = new Window (new Rect (0, 1, tframe.Width, tframe.Height - 1), "Hello");
#endif
var menu = new MenuBar (new MenuBarItem [] {
MenuItemDetails [] menuItems = {
new MenuItemDetails ("F_ind", "", null),
new MenuItemDetails ("_Replace", "", null),
new MenuItemDetails ("_Item1", "", null),
new MenuItemDetails ("_Not From Sub Menu", "", null)
};
menuItems [0].Action = () => ShowMenuItem (menuItems [0]);
menuItems [1].Action = () => ShowMenuItem (menuItems [1]);
menuItems [2].Action = () => ShowMenuItem (menuItems [2]);
menuItems [3].Action = () => ShowMenuItem (menuItems [3]);
menu = new MenuBar (new MenuBarItem [] {
new MenuBarItem ("_File", new MenuItem [] {
new MenuItem ("Text Editor Demo", "", () => { Editor (top); }),
new MenuItem ("_New", "Creates new file", NewFile),
new MenuItem ("_Open", "", Open),
new MenuItem ("_Hex", "", () => ShowHex (top)),
new MenuItem ("_Close", "", () => Close ()),
null,
new MenuItem ("_Quit", "", () => { if (Quit ()) top.Running = false; })
}),
new MenuBarItem ("_Edit", new MenuItem [] {
new MenuItem ("_Copy", "", null),
new MenuItem ("C_ut", "", null),
new MenuItem ("_Paste", "", null)
new MenuItem ("_Copy", "", Copy),
new MenuItem ("C_ut", "", Cut),
new MenuItem ("_Paste", "", Paste),
new MenuItem ("_Find and Replace",
new MenuBarItem (new MenuItem[] {menuItems [0], menuItems [1] })),
menuItems[3]
}),
new MenuBarItem ("_List Demos", new MenuItem [] {
new MenuBarItem ("_List Demos", new MenuItem [] {
new MenuItem ("Select Items", "", ListSelectionDemo),
}),
new MenuBarItem ("Test Menu and SubMenus", new MenuItem [] {
new MenuItem ("SubMenu1Item1",
new MenuBarItem (new MenuItem[] {
new MenuItem ("SubMenu2Item1",
new MenuBarItem (new MenuItem [] {
new MenuItem ("SubMenu3Item1",
new MenuBarItem (new MenuItem [] { menuItems [2] })
)
})
)
})
)
}),
});
menuKeysStyle = new CheckBox (3, 25, "UseKeysUpDownAsKeysLeftRight", true);
menuKeysStyle.Toggled += MenuKeysStyle_Toggled;
menuAutoMouseNav = new CheckBox (40, 25, "UseMenuAutoNavigation", true);
menuAutoMouseNav.Toggled += MenuAutoMouseNav_Toggled;
ShowEntries (win);
int count = 0;
@@ -341,14 +491,14 @@ static class Demo {
ml.Text = $"Mouse: ({me.X},{me.Y}) - {me.Flags} {count++}";
};
var test = new Label (3, 18, "Se iniciará el análisis");
win.Add (test);
win.Add (ml);
// ShowTextAlignments (win);
ShowTextAlignments (win);
top.Add (win);
top.Add (menu);
Application.Run ();
}
}
}