Don't log errors from GetScrollInfo since it is possible that there

[wxWidgets.git] / src / generic / notebook.cpp

diff --git a/src/generic/notebook.cpp b/src/generic/notebook.cpp
index 5cb54f9c67cf4179267703dfd363146f32fd4968..a320a42b998e805ff469cf2662a2b8547cea2f81 100644 (file)
--- a/src/generic/notebook.cpp
+++ b/src/generic/notebook.cpp
@@ -33,6 +33,7 @@
 #include  "wx/generic/imaglist.h"
 #include  "wx/notebook.h"
 #include  "wx/dcclient.h"
+#include  "wx/generic/tabg.h"
 
 // ----------------------------------------------------------------------------
 // macros
@@ -55,7 +56,6 @@ BEGIN_EVENT_TABLE(wxNotebook, wxControl)
     EVT_MOUSE_EVENTS(wxNotebook::OnMouseEvent)
     EVT_SET_FOCUS(wxNotebook::OnSetFocus)
     EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
-//    EVT_IDLE(wxNotebook::OnIdle)
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
@@ -65,6 +65,27 @@ IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
 // implementation
 // ============================================================================
 
+// ============================================================================
+// Private class
+// ============================================================================
+
+// This reuses wxTabView to draw the tabs.
+class WXDLLEXPORT wxNotebookTabView: public wxTabView
+{
+DECLARE_DYNAMIC_CLASS(wxNotebookTabView)
+public:
+  wxNotebookTabView(wxNotebook* notebook, long style = wxTAB_STYLE_DRAW_BOX | wxTAB_STYLE_COLOUR_INTERIOR);
+  ~wxNotebookTabView(void);
+
+  // Called when a tab is activated
+  virtual void OnTabActivate(int activateId, int deactivateId);
+  // Allows vetoing
+  virtual bool OnTabPreActivate(int activateId, int deactivateId);
+
+protected:
+   wxNotebook*      m_notebook;
+};
+
 // ----------------------------------------------------------------------------
 // wxNotebook construction
 // ----------------------------------------------------------------------------
@@ -435,8 +456,11 @@ void wxNotebook::OnSize(wxSizeEvent& event)
 // This was supposed to cure the non-display of the notebook
 // until the user resizes the window.
 // What's going on?
-void wxNotebook::OnIdle(wxIdleEvent& event)
+void wxNotebook::OnInternalIdle()
 {
+    wxWindow::OnInternalIdle();
+
+#if 0    
     static bool s_bFirstTime = TRUE;
     if ( s_bFirstTime ) {
       /*
@@ -456,7 +480,7 @@ void wxNotebook::OnIdle(wxIdleEvent& event)
       */
       s_bFirstTime = FALSE;
     }
-    event.Skip();
+#endif
 }
 
 // Implementation: calculate the layout of the view rect
@@ -502,9 +526,9 @@ bool wxNotebook::RefreshLayout(bool force)
         unsigned int nCount = m_pages.Count();
         for ( unsigned int nPage = 0; nPage < nCount; nPage++ ) {
             wxNotebookPage *pPage = m_pages[nPage];
+            wxRect clientRect = GetAvailableClientSize();
             if (pPage->IsShown())
             {
-                wxRect clientRect = GetAvailableClientSize();
                 pPage->SetSize(clientRect.x, clientRect.y, clientRect.width, clientRect.height);
                 if ( pPage->GetAutoLayout() )
                    pPage->Layout();
@@ -679,4 +703,36 @@ void wxNotebookTabView::OnTabActivate(int activateId, int deactivateId)
   m_notebook->GetEventHandler()->ProcessEvent(event);
 }
 
+// Allows Vetoing
+bool wxNotebookTabView::OnTabPreActivate(int activateId, int deactivateId)
+{
+  bool retval = TRUE;
+  
+  if (m_notebook)
+  {
+    wxNotebookEvent event(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING, m_notebook->GetId());
+
+#if defined (__WIN16__)
+    int activatePos = activateId;
+    int deactivatePos = deactivateId;
+#else
+    // Translate from wxTabView's ids (which aren't position-dependent)
+    // to wxNotebook's (which are).
+    wxNotebookPage* pActive = (wxNotebookPage*) activateId;
+    wxNotebookPage* pDeactive = (wxNotebookPage*) deactivateId;
+
+    int activatePos = m_notebook->FindPagePosition(pActive);
+    int deactivatePos = m_notebook->FindPagePosition(pDeactive);
+
+#endif
+    event.SetEventObject(m_notebook);
+    event.SetSelection(activatePos);
+    event.SetOldSelection(deactivatePos);
+    if (m_notebook->GetEventHandler()->ProcessEvent(event))
+    {
+      retval = event.IsAllowed();
+    }
+  }
+  return retval;
+}