From 84c88a17c019692f40a7c506b8a2d29bbd080f1d Mon Sep 17 00:00:00 2001
From: =?utf8?q?V=C3=A1clav=20Slav=C3=ADk?= <vslavik@fastmail.fm>
Date: Mon, 21 Jan 2002 19:03:23 +0000
Subject: [PATCH] added TAB handling

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13727 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/mgl/window.cpp | 37 +++++++++++++++++++++++++++++++++----
 1 file changed, 33 insertions(+), 4 deletions(-)

diff --git a/src/mgl/window.cpp b/src/mgl/window.cpp
index 64bef3e090..86b882527f 100644
--- a/src/mgl/window.cpp
+++ b/src/mgl/window.cpp
@@ -248,7 +248,20 @@ static ibool MGLAPI wxWindowMouseHandler(window_t *wnd, event_t *e)
 
 static long wxScanToKeyCode(event_t *event)
 {
-    #define KEY(mgl,wx) case mgl: key = wx; break;
+    // VS: make it __WXDEBUG__-only, since we have lots of wxLogTrace calls
+    //     here and the arguments would be stored in non-debug executable even
+    //     though wxLogTrace would be no-op...
+    #ifdef __WXDEBUG__
+      #define KEY(mgl_key,wx_key) \
+        case mgl_key: \
+          wxLogTrace(_T("keyevents"), \
+                     _T("key " #mgl_key ", mapped to " #wx_key)); \
+          key = wx_key; \
+          break;
+    #else
+      #define KEY(mgl_key,wx_key) \
+        case mgl_key: key = wx_key; break; 
+    #endif
 
     long key = 0;
     switch ( EVT_scanCode(event->message) )
@@ -437,9 +450,9 @@ static ibool MGLAPI wxWindowKeybHandler(window_t *wnd, event_t *e)
         }
 #endif // wxUSE_ACCEL
 
-        /* wxMSW doesn't send char events with Alt pressed */
-        /* Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
-           will only be sent if it is not in an accelerator table. */
+        // wxMSW doesn't send char events with Alt pressed
+        // Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
+        // will only be sent if it is not in an accelerator table.
         event2.m_keyCode = wxAsciiToKeyCode(e);
         if ( !ret && event2.m_keyCode != 0 )
         {
@@ -447,6 +460,22 @@ static ibool MGLAPI wxWindowKeybHandler(window_t *wnd, event_t *e)
             ret = win->GetEventHandler()->ProcessEvent(event2);
         }
         
+        // Synthetize navigation key event, but do it only if the TAB key
+        // wasn't handled yet.
+        // FIXME_MGL - isn't this wxUniv's business?
+        if ( !ret && event.m_keyCode == WXK_TAB &&
+             win->GetParent() && win->GetParent()->HasFlag(wxTAB_TRAVERSAL) )
+        {
+            wxNavigationKeyEvent navEvent;
+            navEvent.SetEventObject(win->GetParent());
+            // Shift-TAB goes in reverse direction:
+            navEvent.SetDirection(!event.m_shiftDown);
+            // Ctrl-TAB changes the (parent) window, i.e. switch notebook page:
+            navEvent.SetWindowChange(event.m_controlDown);
+            navEvent.SetCurrentFocus(wxStaticCast(win, wxWindow));
+            ret = win->GetParent()->GetEventHandler()->ProcessEvent(navEvent);
+        }
+        
         return ret;
     }
 }
-- 
2.45.2