Fixes #1446. Added more features to the Border and Toplevel focus. (#1447)

* Fixes #1446. Added more features to the Border and Toplevel focus.

* Prevents throwing exception on negative effect3DOffset values

* Ensures that a view can be focused.

* Only sets focus if it isn't disposing.

* Fixes ViewToScreen and DrawChildBorder Effect3D.

* Unit test for negative coordinates with the ViewToScreen method.

* Added Tab navigation feature to the Editor scenario.

* ComboBox cursonDownKey nullref fix (#1472)

* added null guard to fix null ref when pressing keyDown inside combobox
Improved an error message when view cannot be found

* Added a unit test to ensure combobox can process all key events
Found and fixed a new nullref

* Found a new bug when source is already present and combobox is added to a top view

* searchSet is auto initialized to new List() now to make the code a little bit safer

* Fixes WindowsDriver HeightAsBuffer set to false. (#1466)

* Bump ReportGenerator from 4.8.12 to 4.8.13 (#1473)

Bumps [ReportGenerator](https://github.com/danielpalme/ReportGenerator) from 4.8.12 to 4.8.13.
- [Release notes](https://github.com/danielpalme/ReportGenerator/releases)
- [Commits](https://github.com/danielpalme/ReportGenerator/compare/v4.8.12...v4.8.13)

---
updated-dependencies:
- dependency-name: ReportGenerator
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Fixes #1445. Fixing more the Curses and WSL clipboard. (#1448)

* Fixes #1445. Fixing more the Curses and WSL clipboard.

* Fixing unit tests.

* Changing namespace.

* Fixes WSL2 clipboard unit test.

* Upgrades devcontainer with the MainLoop fix.

* Fixes pasting with no selection and with lines break.

* Prevents the event button click being fired after a button pressed with mouse move.

* Fixes the char [ not being processed.

* Added Application.QuitKey property to allow change the quitting application key. (#1450)

* Added Application.QuitKey property to allow change the quitting application key.

* Fixes QuitKey unit test by reseting his value.

* Locks timeouts until is added.

* Fixes #1467. AlternateForward/BackwardKey bypasses dialog modality (#1468)

* Changed namespace.

* Fixing merge conflicts.

* Fixes mouse click issue.

* Removing windows resizing because buffer resizing is enough.

* Fixes #1477. Mouse click and console bottom on Windows Terminal.

Co-authored-by: Igor Bagdamyan <37334640+En3Tho@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Terminal.Gui/Core/View.cs

@@ -344,11 +344,6 @@ namespace Terminal.Gui {
 						TabIndex = SuperView != null ? SuperView.tabIndexes.IndexOf (this) : -1;
 					}
 					TabStop = value;
-					if (!value && HasFocus) {
-						SetHasFocus (false, this);
-					}
-					OnCanFocusChanged ();
-					SetNeedsDisplay ();
 				}
 				if (subviews != null && IsInitialized) {
 					foreach (var view in subviews) {
@@ -369,6 +364,16 @@ namespace Terminal.Gui {
 						}
 					}
 				}
+				if (!value && HasFocus) {
+					SetHasFocus (false, this);
+					EnsureFocus ();
+					if (Focused == null) {
+						Application.Top.FocusNext ();
+						Application.EnsuresTopOnFront ();
+					}
+				}
+				OnCanFocusChanged ();
+				SetNeedsDisplay ();
 			}
 		}
 
@@ -1013,8 +1018,8 @@ namespace Terminal.Gui {
 		internal void ViewToScreen (int col, int row, out int rcol, out int rrow, bool clipped = true)
 		{
 			// Computes the real row, col relative to the screen.
-			rrow = Math.Max (row + frame.Y, 0);
-			rcol = Math.Max (col + frame.X, 0);
+			rrow = row + frame.Y;
+			rcol = col + frame.X;
 			var ccontainer = container;
 			while (ccontainer != null) {
 				rrow += ccontainer.frame.Y;