From a3e29acf4536e3e2c92ed012db5c7daff62bbebd Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 12 Apr 2000 00:11:36 +0000
Subject: [PATCH] 1. spin ctrl now generates char/key events 2. grid sets focus
 to the number editor

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7133 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 include/wx/msw/spinctrl.h | 13 ++++++++++---
 src/generic/grid.cpp      |  1 +
 src/msw/spinctrl.cpp      | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/include/wx/msw/spinctrl.h b/include/wx/msw/spinctrl.h
index 9a160ff7aa..47eabec0c9 100644
--- a/include/wx/msw/spinctrl.h
+++ b/include/wx/msw/spinctrl.h
@@ -1,4 +1,4 @@
-/////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////
 // Name:        msw/spinctrl.h
 // Purpose:     wxSpinCtrl class declaration for Win32
 // Author:      Vadim Zeitlin
@@ -57,6 +57,8 @@ public:
     // implementation only from now on
     // -------------------------------
 
+    virtual ~wxSpinCtrl();
+
     virtual void SetValue(int val) { wxSpinButton::SetValue(val); }
     virtual int  GetValue() const;
     virtual bool SetFont(const wxFont &font);
@@ -65,7 +67,10 @@ public:
     virtual bool Enable(bool enable = TRUE);
     virtual bool Show(bool show = TRUE);
 
-    virtual bool AcceptsFocus() const { return TRUE; }
+    // wxSpinButton doesn't accept focus, but we do
+    virtual bool AcceptsFocus() const { return wxWindow::AcceptsFocus(); }
+
+    WXFARPROC GetBuddyWndProc() const { return m_oldBuddyWndProc; }
 
 protected:
     virtual void DoMoveWindow(int x, int y, int width, int height);
@@ -74,7 +79,9 @@ protected:
     // the handler for wxSpinButton events
     void OnSpinChange(wxSpinEvent& event);
 
-    WXHWND m_hwndBuddy;
+    // the data for the "buddy" text ctrl
+    WXHWND     m_hwndBuddy;
+    WXFARPROC  m_oldBuddyWndProc;
 
 private:
     DECLARE_DYNAMIC_CLASS(wxSpinCtrl)
diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index d41f45f4e4..6f9b958a4f 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -717,6 +717,7 @@ void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
     if ( HasRange() )
     {
         Spin()->SetValue((int)m_valueOld);
+        Spin()->SetFocus();
     }
     else
     {
diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 1a8d4c1016..eba7517d89 100644
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -69,6 +69,32 @@ static const int MARGIN_BETWEEN = 1;
 // implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// wnd proc for the buddy text ctrl
+// ----------------------------------------------------------------------------
+
+LRESULT APIENTRY _EXPORT wxBuddyTextWndProc(HWND hwnd,
+                                            UINT message,
+                                            WPARAM wParam,
+                                            LPARAM lParam)
+{
+    wxSpinCtrl *spin = (wxSpinCtrl *)::GetWindowLong(hwnd, GWL_USERDATA);
+
+    // forward some messages (the key ones only so far) to the spin ctrl
+    switch ( message )
+    {
+        case WM_CHAR:
+        case WM_DEADCHAR:
+        case WM_KEYUP:
+        case WM_KEYDOWN:
+            spin->MSWWindowProc(message, wParam, lParam);
+            break;
+    }
+
+    return ::CallWindowProc(CASTWNDPROC spin->GetBuddyWndProc(),
+                            hwnd, message, wParam, lParam);
+}
+
 // ----------------------------------------------------------------------------
 // construction
 // ----------------------------------------------------------------------------
@@ -138,6 +164,11 @@ bool wxSpinCtrl::Create(wxWindow *parent,
         return FALSE;
     }
 
+    // subclass the text ctrl to be able to intercept some events
+    m_oldBuddyWndProc = (WXFARPROC)::GetWindowLong((HWND)m_hwndBuddy, GWL_WNDPROC);
+    ::SetWindowLong((HWND)m_hwndBuddy, GWL_USERDATA, (LONG)this);
+    ::SetWindowLong((HWND)m_hwndBuddy, GWL_WNDPROC, (LONG)wxBuddyTextWndProc);
+
     // should have the same font as the other controls
     SetFont(GetParent()->GetFont());
 
@@ -167,6 +198,13 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     return TRUE;
 }
 
+wxSpinCtrl::~wxSpinCtrl()
+{
+    // destroy the buddy window because this pointer which wxBuddyTextWndProc
+    // uses will not soon be valid any more
+    ::DestroyWindow((HWND)m_hwndBuddy);
+}
+
 // ----------------------------------------------------------------------------
 // wxTextCtrl-like methods
 // ----------------------------------------------------------------------------