removed assert which could be provoked by correct code

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

diff --git a/src/msw/control.cpp b/src/msw/control.cpp
index f6f67bac355088e4230c344921cabd0ce5dffb1e..75047d806dc84e23ac54d865daee275822f30c67 100644 (file)
--- a/src/msw/control.cpp
+++ b/src/msw/control.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        control.cpp
+// Name:        msw/control.cpp
 // Purpose:     wxControl class
 // Author:      Julian Smart
 // Modified by:
@@ -10,28 +10,31 @@
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
-#pragma implementation "control.h"
+    #pragma implementation "control.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
+#if wxUSE_CONTROLS
+
 #ifndef WX_PRECOMP
-#include "wx/event.h"
-#include "wx/app.h"
-#include "wx/dcclient.h"
+    #include "wx/event.h"
+    #include "wx/app.h"
+    #include "wx/dcclient.h"
+    #include "wx/log.h"
 #endif
 
 #include "wx/control.h"
 
 #include "wx/msw/private.h"
 
-#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) || defined(wxUSE_NORLANDER_HEADERS)
-#include <commctrl.h>
+#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
+    #include <commctrl.h>
 #endif
 
 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
@@ -56,6 +59,22 @@ wxControl::~wxControl()
     m_isBeingDeleted = TRUE;
 }
 
+
+bool wxControl::Create(wxWindow *parent, wxWindowID id,
+                       const wxPoint& pos,
+                       const wxSize& size, long style,
+                       const wxValidator& validator,
+                       const wxString& name)
+{
+    bool rval = wxWindow::Create(parent, id, pos, size, style, name);
+    if (rval) {
+#if wxUSE_VALIDATORS
+        SetValidator(validator);
+#endif
+    }
+    return rval;
+}
+
 bool wxControl::MSWCreateControl(const wxChar *classname,
                                  WXDWORD style,
                                  const wxPoint& pos,
@@ -63,9 +82,11 @@ bool wxControl::MSWCreateControl(const wxChar *classname,
                                  const wxString& label,
                                  WXDWORD exstyle)
 {
-    // VZ: if someone could put a comment here explaining what exactly this is
-    //     needed for, it would be nice...
-    bool want3D;
+    // want3D tells us whether or not the style specified a 3D border.
+    // If so, under WIN16 we can use Ctl3D to give it an appropriate style.
+    // Sometimes want3D is used to indicate that the non-extended style should have
+    // WS_BORDER.
+    bool want3D = TRUE;
 
     // if no extended style given, determine it ourselves
     if ( exstyle == (WXDWORD)-1 )
@@ -73,7 +94,7 @@ bool wxControl::MSWCreateControl(const wxChar *classname,
         exstyle = GetExStyle(style, &want3D);
     }
 
-    // all controls have these childs (wxWindows creates all controls visible
+    // all controls have these styles (wxWindows creates all controls visible
     // by default)
     style |= WS_CHILD | WS_VISIBLE;
 
@@ -93,9 +114,8 @@ bool wxControl::MSWCreateControl(const wxChar *classname,
 
     if ( !m_hWnd )
     {
-#ifdef __WXDEBUG__
-        wxLogError(wxT("Failed to create a control of class '%s'"), classname);
-#endif // DEBUG
+        wxLogDebug(wxT("Failed to create a control of class '%s'"), classname);
+        wxFAIL_MSG(_T("something is very wrong"));
 
         return FALSE;
     }
@@ -127,7 +147,7 @@ bool wxControl::ProcessCommand(wxCommandEvent& event)
 #if WXWIN_COMPATIBILITY
     if ( m_callback )
     {
-        (void)(*m_callback)(this, event);
+        (void)(*m_callback)(*this, event);
 
         return TRUE;
     }
@@ -188,10 +208,9 @@ bool wxControl::MSWOnNotify(int idCtrl,
 
 void wxControl::OnEraseBackground(wxEraseEvent& event)
 {
-    // In general, you don't want to erase the background of a control,
-    // or you'll get a flicker.
-    // TODO: move this 'null' function into each control that
-    // might flicker.
+    // notice that this 'dumb' implementation may cause flicker for some of the
+    // controls in which case they should intercept wxEraseEvent and process it
+    // themselves somehow
 
     RECT rect;
     ::GetClientRect(GetHwnd(), &rect);
@@ -206,10 +225,17 @@ void wxControl::OnEraseBackground(wxEraseEvent& event)
     ::SetMapMode(hdc, mode);
 }
 
-WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
+WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
+#if wxUSE_CTL3D
                                WXUINT message,
                                WXWPARAM wParam,
-                               WXLPARAM lParam)
+                               WXLPARAM lParam
+#else
+                               WXUINT WXUNUSED(message),
+                               WXWPARAM WXUNUSED(wParam),
+                               WXLPARAM WXUNUSED(lParam)
+#endif
+    )
 {
 #if wxUSE_CTL3D
     if ( m_useCtl3D )
@@ -225,7 +251,8 @@ WXHBRUSH wxControl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
     else
         SetBkMode(hdc, OPAQUE);
 
-    const wxColour& colBack = GetBackgroundColour();
+    wxColour colBack = GetBackgroundColour();
+
     ::SetBkColor(hdc, wxColourToRGB(colBack));
     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
 
@@ -280,3 +307,4 @@ void wxFindMaxSize(WXHWND wnd, RECT *rect)
         rect->bottom = bottom;
 }
 
+#endif // wxUSE_CONTROLS