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Added ReadOnly feature to the TextField. Fixed some bugs too.

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This commit is contained in:
BDisp
2020-05-18 15:15:42 +01:00
parent e26fbd7d0e
commit a29ca06fc8
1 changed files with 39 additions and 2 deletions
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41
Terminal.Gui/Views/TextField.cs
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@@ -28,6 +28,11 @@ namespace Terminal.Gui {
/// </summary>
public bool Used { get => used; set { used = value; } }
/// <summary>
/// If set to true its not allow any changes in the text.
/// </summary>
public bool ReadOnly { get; set; } = false;
/// <summary>
/// Changed event, raised when the text has clicked.
/// </summary>
@@ -95,7 +100,7 @@ namespace Terminal.Gui {
set {
base.Frame = value;
var w = base.Frame.Width;
//first = point > w ? point - w : 0;
first = point > w ? point - w : 0;
Adjust ();
}
}
@@ -115,6 +120,9 @@ namespace Terminal.Gui {
}
set {
if (ReadOnly)
return;
var oldText = ustring.Make (text);
text = TextModel.ToRunes (value);
if (!Secret && !isFromHistory) {
@@ -189,8 +197,10 @@ namespace Terminal.Gui {
if (idx < p)
continue;
var cols = Rune.ColumnWidth (rune);
if (col == point && HasFocus && !Used && SelectedLength == 0)
if (col == point && HasFocus && !Used && SelectedLength == 0 && !ReadOnly)
Driver.SetAttribute (Colors.Menu.HotFocus);
else if (ReadOnly)
Driver.SetAttribute (idx >= start && length > 0 && idx < start + length ? color.Focus : color.Disabled);
else
Driver.SetAttribute (idx >= start && length > 0 && idx < start + length ? color.Focus : ColorScheme.Focus);
if (col + cols <= width)
@@ -261,6 +271,9 @@ namespace Terminal.Gui {
switch (kb.Key) {
case Key.DeleteChar:
case Key.ControlD:
if (ReadOnly)
return true;
if (SelectedLength == 0) {
if (text.Count == 0 || text.Count == point)
return true;
@@ -275,6 +288,9 @@ namespace Terminal.Gui {
case Key.Delete:
case Key.Backspace:
if (ReadOnly)
return true;
if (SelectedLength == 0) {
if (point == 0)
return true;
@@ -373,6 +389,9 @@ namespace Terminal.Gui {
break;
case Key.ControlK: // kill-to-end
if (ReadOnly)
return true;
ClearAllSelection ();
if (point >= text.Count)
return true;
@@ -383,6 +402,9 @@ namespace Terminal.Gui {
// Undo
case Key.ControlZ:
if (ReadOnly)
return true;
if (historyText != null && historyText.Count > 0) {
isFromHistory = true;
if (idxhistoryText > 0)
@@ -396,6 +418,9 @@ namespace Terminal.Gui {
//Redo
case Key.ControlY: // Control-y, yank
if (ReadOnly)
return true;
if (historyText != null && historyText.Count > 0) {
isFromHistory = true;
if (idxhistoryText < historyText.Count - 1) {
@@ -455,6 +480,9 @@ namespace Terminal.Gui {
break;
case Key.ControlX:
if (ReadOnly)
return true;
Cut ();
break;
@@ -472,6 +500,9 @@ namespace Terminal.Gui {
if (kb.Key < Key.Space || kb.Key > Key.CharMask)
return false;
if (ReadOnly)
return true;
if (SelectedLength != 0) {
DeleteSelectedText ();
oldCursorPos = point;
@@ -684,6 +715,9 @@ namespace Terminal.Gui {
/// </summary>
public void Copy ()
{
if (Secret)
return;
if (SelectedLength != 0) {
Clipboard.Contents = SelectedText;
}
@@ -717,6 +751,9 @@ namespace Terminal.Gui {
/// </summary>
public void Paste ()
{
if (ReadOnly)
return;
string actualText = Text.ToString ();
int start = SelectedStart == -1 ? CursorPosition : SelectedStart;
ustring cbTxt = Clipboard.Contents?.ToString () ?? "";