added automatic growing of in-place wxTextCtrls for generic wxListCtrl and wxTreeCtrl

[wxWidgets.git] / src / msw / spinctrl.cpp

diff --git a/src/msw/spinctrl.cpp b/src/msw/spinctrl.cpp
index 27b0b26c2d4c64864b768e42823d405d6dbd69a6..9f2928f82a467f2b3640666e244bd0f97cc14dda 100644 (file)
--- a/src/msw/spinctrl.cpp
+++ b/src/msw/spinctrl.cpp
@@ -40,7 +40,7 @@
 #include "wx/spinctrl.h"
 #include "wx/msw/private.h"
 
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
+#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__))
     #include <commctrl.h>
 #endif
 
@@ -50,7 +50,11 @@
 // macros
 // ----------------------------------------------------------------------------
 
-    IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrl, wxControl)
+
+BEGIN_EVENT_TABLE(wxSpinCtrl, wxSpinButton)
+    EVT_SPIN(-1, wxSpinCtrl::OnSpinChange)
+END_EVENT_TABLE()
 
 // ----------------------------------------------------------------------------
 // constants
@@ -65,6 +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
 // ----------------------------------------------------------------------------
@@ -81,7 +111,8 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     // before using DoGetBestSize(), have to set style to let the base class
     // know whether this is a horizontal or vertical control (we're always
     // vertical)
-    SetWindowStyle(style | wxSP_VERTICAL);
+    style |= wxSP_VERTICAL;
+    SetWindowStyle(style);
 
     // calculate the sizes: the size given is the toal size for both controls
     // and we need to fit them both in the given width (height is the same)
@@ -117,7 +148,7 @@ bool wxSpinCtrl::Create(wxWindow *parent,
                      WS_EX_CLIENTEDGE,       // sunken border
                      _T("EDIT"),             // window class
                      NULL,                   // no window title
-                     WS_CHILD | WS_BORDER,   // style (will be shown later)
+                     WS_CHILD | WS_BORDER /* | WS_CLIPSIBLINGS */,   // style (will be shown later)
                      pos.x, pos.y,           // position
                      0, 0,                   // size (will be set later)
                      GetHwndOf(parent),      // parent
@@ -128,11 +159,16 @@ bool wxSpinCtrl::Create(wxWindow *parent,
 
     if ( !m_hwndBuddy )
     {
-        wxLogLastError("CreateWindow(buddy text window)");
+        wxLogLastError(wxT("CreateWindow(buddy text window)"));
 
         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());
 
@@ -140,8 +176,10 @@ bool wxSpinCtrl::Create(wxWindow *parent,
     // couldn't call DoGetBestSize() before as font wasn't set
     if ( sizeText.y <= 0 )
     {
-        // make it the same height as the button then
-        sizeText.y = DoGetBestSize().y;
+        int cx, cy;
+        wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+
+        sizeText.y = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
     }
 
     DoMoveWindow(pos.x, pos.y,
@@ -160,15 +198,22 @@ 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
 // ----------------------------------------------------------------------------
 
 void wxSpinCtrl::SetValue(const wxString& text)
 {
-    if ( ::SetWindowText((HWND)m_hwndBuddy, text.c_str()) )
+    if ( !::SetWindowText((HWND)m_hwndBuddy, text.c_str()) )
     {
-        wxLogLastError("SetWindowText(buddy)");
+        wxLogLastError(wxT("SetWindowText(buddy)"));
     }
 }
 
@@ -184,7 +229,7 @@ int wxSpinCtrl::GetValue() const
 }
 
 // ----------------------------------------------------------------------------
-// when setting font, we need to do it for both controls
+// forward some methods to subcontrols
 // ----------------------------------------------------------------------------
 
 bool wxSpinCtrl::SetFont(const wxFont& font)
@@ -201,6 +246,53 @@ bool wxSpinCtrl::SetFont(const wxFont& font)
     return TRUE;
 }
 
+bool wxSpinCtrl::Show(bool show)
+{
+    if ( !wxControl::Show(show) )
+    {
+        return FALSE;
+    }
+
+    ::ShowWindow((HWND)m_hwndBuddy, show ? SW_SHOW : SW_HIDE);
+
+    return TRUE;
+}
+
+bool wxSpinCtrl::Enable(bool enable)
+{
+    if ( !wxControl::Enable(enable) )
+    {
+        return FALSE;
+    }
+
+    ::EnableWindow((HWND)m_hwndBuddy, enable);
+
+    return TRUE;
+}
+
+void wxSpinCtrl::SetFocus()
+{
+    ::SetFocus((HWND)m_hwndBuddy);
+}
+
+// ----------------------------------------------------------------------------
+// event processing
+// ----------------------------------------------------------------------------
+
+void wxSpinCtrl::OnSpinChange(wxSpinEvent& eventSpin)
+{
+    wxCommandEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, GetId());
+    event.SetEventObject(this);
+    event.SetInt(eventSpin.GetPosition());
+
+    (void)GetEventHandler()->ProcessEvent(event);
+
+    if ( eventSpin.GetSkipped() )
+    {
+        event.Skip();
+    }
+}
+
 // ----------------------------------------------------------------------------
 // size calculations
 // ----------------------------------------------------------------------------
@@ -234,16 +326,41 @@ void wxSpinCtrl::DoMoveWindow(int x, int y, int width, int height)
 
     if ( !::MoveWindow((HWND)m_hwndBuddy, x, y, widthText, height, TRUE) )
     {
-        wxLogLastError("MoveWindow(buddy)");
+        wxLogLastError(wxT("MoveWindow(buddy)"));
     }
 
     x += widthText + MARGIN_BETWEEN;
     if ( !::MoveWindow(GetHwnd(), x, y, widthBtn, height, TRUE) )
     {
-        wxLogLastError("MoveWindow");
+        wxLogLastError(wxT("MoveWindow"));
     }
 }
 
+// get total size of the control
+void wxSpinCtrl::DoGetSize(int *x, int *y) const
+{
+    RECT spinrect, textrect, ctrlrect;
+    GetWindowRect(GetHwnd(), &spinrect);
+    GetWindowRect((HWND)m_hwndBuddy, &textrect);
+    UnionRect(&ctrlrect,&textrect, &spinrect);
+
+    if ( x )
+        *x = ctrlrect.right - ctrlrect.left;
+    if ( y )
+        *y = ctrlrect.bottom - ctrlrect.top;
+}
+
+void wxSpinCtrl::DoGetPosition(int *x, int *y) const
+{
+    // hack: pretend that our HWND is the text control just for a moment
+    WXHWND hWnd = GetHWND();
+    wxConstCast(this, wxSpinCtrl)->m_hWnd = m_hwndBuddy;
+
+    wxSpinButton::DoGetPosition(x, y);
+
+    wxConstCast(this, wxSpinCtrl)->m_hWnd = hWnd;
+}
+
 #endif // __WIN95__
 
 #endif