X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/621793f45e003588e32f7a6ca10cd238f7c96fe6..bd9396d52dc2118f2f527ecea55271e79a893ed4:/src/msw/notebook.cpp

diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index e58af84b52..34e0b589af 100644
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -27,20 +27,26 @@
 
 #include  <wx/log.h>
 #include  <wx/imaglist.h>
+#include  <wx/event.h>
+#include  <wx/control.h>
 #include  <wx/notebook.h>
 
 #include  <wx/msw/private.h>
 
 // Windows standard headers
 #ifndef   __WIN95__
-  #error  "wxNotebook is not supported under Windows 3.1"
+  #error  "wxNotebook is only supported Windows 95 and above"
 #endif    //Win95
 
 #include  <windowsx.h>  // for SetWindowFont
 
+#ifndef __TWIN32__
 #ifdef __GNUWIN32__
   #include "wx/msw/gnuwin32/extra.h"
-#else   //!GnuWin32
+#endif
+#endif
+
+#if !defined(__GNUWIN32__) || defined(__TWIN32__)
   #include <commctrl.h>
 #endif
 
@@ -69,7 +75,7 @@
   END_EVENT_TABLE()
 
   IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
-  IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
+  IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
 #endif
 
 // ============================================================================
@@ -358,11 +364,13 @@ bool wxNotebook::InsertPage(int nPage,
 
 void wxNotebook::OnSize(wxSizeEvent& event)
 {
-  // emulate page change (it's esp. important to do it first time because
-  // otherwise our page would stay invisible)
-  int nSel = m_nSelection;
-  m_nSelection = -1;
-  SetSelection(nSel);
+  // make sure the current page is shown and has focus (it's useful because all
+  // pages are created invisible initially)
+  if ( m_nSelection != -1 ) {
+    wxNotebookPage *pPage = m_aPages[m_nSelection];
+    pPage->Show(TRUE);
+    pPage->SetFocus();
+  }
 
   // fit the notebook page to the tab control's display area
   RECT rc;
@@ -437,7 +445,7 @@ void wxNotebook::Command(wxCommandEvent& event)
   wxFAIL_MSG("wxNotebook::Command not implemented");
 }
 
-bool wxNotebook::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
+bool wxNotebook::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM* result)
 {
   wxNotebookEvent event(wxEVT_NULL, m_windowId);
 
@@ -451,21 +459,18 @@ bool wxNotebook::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
       event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
       break;
 
-      // prevent this msg from being passed to wxControl::MSWNotify which would
-      // retrun FALSE disabling the change of page
-    case UDN_DELTAPOS:
-      return TRUE;
-
-    default :
-      return wxControl::MSWNotify(wParam, lParam);
+    default:
+      return wxControl::MSWNotify(wParam, lParam, result);
   }
 
   event.SetSelection(TabCtrl_GetCurSel(m_hwnd));
   event.SetOldSelection(m_nSelection);
   event.SetEventObject(this);
-  event.SetInt(LOWORD(wParam));
+  event.SetInt(LOWORD(wParam)); // ctrl id
 
-  return GetEventHandler()->ProcessEvent(event);
+  bool processed = GetEventHandler()->ProcessEvent(event);
+  *result = !event.IsAllowed();
+  return processed;
 }
 
 // ----------------------------------------------------------------------------
@@ -475,11 +480,32 @@ bool wxNotebook::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
 // hide the currently active panel and show the new one
 void wxNotebook::ChangePage(int nOldSel, int nSel)
 {
+  // MT-FIXME should use a real semaphore
+  static bool s_bInsideChangePage = FALSE;
+
+  // when we call ProcessEvent(), our own OnSelChange() is called which calls
+  // this function - break the infinite loop
+  if ( s_bInsideChangePage )
+    return;
+
   // it's not an error (the message may be generated by the tab control itself)
   // and it may happen - just do nothing
   if ( nSel == nOldSel )
     return;
 
+  s_bInsideChangePage = TRUE;
+
+  wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_windowId);
+  event.SetSelection(nSel);
+  event.SetOldSelection(nOldSel);
+  event.SetEventObject(this);
+  if ( ProcessEvent(event) && !event.IsAllowed() )
+  {
+    // program doesn't allow the page change
+    s_bInsideChangePage = FALSE;
+    return;
+  }
+
   if ( nOldSel != -1 )
     m_aPages[nOldSel]->Show(FALSE);
 
@@ -487,7 +513,11 @@ void wxNotebook::ChangePage(int nOldSel, int nSel)
   pPage->Show(TRUE);
   pPage->SetFocus();
 
+  event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
+  ProcessEvent(event);
+
   m_nSelection = nSel;
+  s_bInsideChangePage = FALSE;
 }
 
 void wxNotebook::OnEraseBackground(wxEraseEvent& event)