handle NULL BSTRs as empty ones per Microsoft convention

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

diff --git a/src/msw/tabctrl.cpp b/src/msw/tabctrl.cpp
index 6e7bfdebc885fa293239705e08bfebc7aa77f296..d55fd09bca27d2088ecf6e377c932de4bb0e0d8a 100644 (file)
--- a/src/msw/tabctrl.cpp
+++ b/src/msw/tabctrl.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        tabctrl.cpp
+// Name:        src/msw/tabctrl.cpp
 // Purpose:     wxTabCtrl
 // Author:      Julian Smart
 // Modified by:
@@ -9,38 +9,24 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "tabctrl.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
-#include "wx/wx.h"
+    #pragma hdrstop
 #endif
 
-#if defined(__WIN95__)
+#if wxUSE_TAB_DIALOG
 
-#if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
-#include "malloc.h"
+#ifndef WX_PRECOMP
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+    #include "wx/wx.h"
+    #include "wx/app.h"
 #endif
 
-#include <windows.h>
-
-#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
-    #include <commctrl.h>
-#else
-    #include "wx/msw/gnuwin32/extra.h"
-#endif
+#include "wx/msw/private.h"
 
 #include "wx/tabctrl.h"
-#include "wx/app.h"
-#include "wx/msw/private.h"
 #include "wx/msw/imaglist.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxTabCtrl, wxControl)
@@ -101,12 +87,14 @@ bool wxTabCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, cons
   if (m_windowStyle & wxBORDER)
     tabStyle |= WS_BORDER;
 
+#ifndef __WXWINCE__
   tabStyle |= TCS_TOOLTIPS;
+#endif
 
   // Create the toolbar control.
   HWND hWndTabCtrl = CreateWindowEx(0L,     // No extended styles.
     WC_TABCONTROL,                          // Class name for the tab control
-    wxT(""),                                 // No default text.
+    wxEmptyString,                          // No default text.
     tabStyle,    // Styles and defaults.
     x, y, width, height,                    // Standard size and position.
     (HWND) parent->GetHWND(),               // Parent window
@@ -116,12 +104,12 @@ bool wxTabCtrl::Create(wxWindow *parent, wxWindowID id, const wxPoint& pos, cons
 
   m_hWnd = (WXHWND) hWndTabCtrl;
   if (parent) parent->AddChild(this);
-  
+
   SubclassWin((WXHWND) hWndTabCtrl);
 
   SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
 
-  return TRUE;
+  return true;
 }
 
 wxTabCtrl::~wxTabCtrl()
@@ -132,7 +120,7 @@ wxTabCtrl::~wxTabCtrl()
 bool wxTabCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
     wxTabEvent event(wxEVT_NULL, m_windowId);
-    wxEventType eventType = wxEVT_NULL;
+    wxEventType eventType wxDUMMY_INITIALIZE(wxEVT_NULL);
     NMHDR* hdr1 = (NMHDR*) lParam;
     switch ( hdr1->code )
     {
@@ -144,13 +132,14 @@ bool wxTabCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
             eventType = wxEVT_COMMAND_TAB_SEL_CHANGING;
             break;
 
+#ifndef __WXWINCE__
         case TTN_NEEDTEXT:
         {
             // TODO
-//            if (tool->m_shortHelpString != "")
+//            if (!tool->m_shortHelpString.empty())
 //                ttText->lpszText = (char *) (const char *)tool->m_shortHelpString;
         }
-
+#endif
         default :
             return wxControl::MSWOnNotify(idCtrl, lParam, result);
     }
@@ -160,7 +149,7 @@ bool wxTabCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
     event.SetInt(idCtrl) ;
     event.SetSelection(idCtrl);
 
-    return ProcessEvent(event);
+    return GetEventHandler()->ProcessEvent(event);
 }
 
 // Responds to colour changes, and passes event on to children.
@@ -217,13 +206,13 @@ bool wxTabCtrl::GetItemRect(int item, wxRect& wxrect) const
 {
     RECT rect;
     if ( !TabCtrl_GetItemRect( (HWND) GetHWND(), item, & rect) )
-        return FALSE;
+        return false;
     else
     {
         wxrect.x = rect.left; wxrect.y = rect.top;
         wxrect.width = rect.right - rect.left;
         wxrect.height = rect.bottom - rect.top;
-        return TRUE;
+        return true;
     }
 }
 
@@ -237,7 +226,7 @@ int wxTabCtrl::GetRowCount() const
 wxString wxTabCtrl::GetItemText(int item) const
 {
     wxChar buf[256];
-    wxString str(wxT(""));
+    wxString str(wxEmptyString);
     TC_ITEM tcItem;
     tcItem.mask = TCIF_TEXT;
     tcItem.pszText = buf;
@@ -299,7 +288,7 @@ bool wxTabCtrl::InsertItem(int item, const wxString& text, int imageId, void* da
     TC_ITEM tcItem;
     tcItem.mask = TCIF_PARAM;
     tcItem.lParam = (long) data;
-    if (text != wxT(""))
+    if (!text.empty())
     {
         tcItem.mask |= TCIF_TEXT;
         wxStrcpy(buf, (const wxChar*) text);
@@ -325,7 +314,7 @@ int wxTabCtrl::SetSelection(int item)
 void wxTabCtrl::SetImageList(wxImageList* imageList)
 {
     m_imageList = imageList;
-    TabCtrl_SetImageList( (HWND) GetHWND(), (HIMAGELIST) imageList->GetHIMAGELIST() );
+    (void) TabCtrl_SetImageList( (HWND) GetHWND(), (HIMAGELIST) imageList->GetHIMAGELIST() );
 }
 
 // Set the text for an item
@@ -440,5 +429,4 @@ void wxMapBitmap(HBITMAP hBitmap, int width, int height)
 }
 #endif
 
-#endif
-    // __WIN95__
+#endif // wxUSE_TAB_DIALOG