A little clarification

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

diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index 033a14725104a4c037e17a43b1a9880ad4a89d99..76baec9d8ea386ce8c9464a2b505bbff5c4d015b 100644 (file)
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -262,10 +262,6 @@ wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
 
 wxNotebook::~wxNotebook()
 {
-    /* don't generate change page events any more */
-    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
-      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
-
     DeleteAllPages();
 }
 
@@ -340,7 +336,7 @@ int wxNotebook::GetSelection() const
     return m_selection;
 }
 
-wxString wxNotebook::GetPageText( int page ) const
+wxString wxNotebook::GetPageText( size_t page ) const
 {
     wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
 
@@ -351,7 +347,7 @@ wxString wxNotebook::GetPageText( int page ) const
         return wxT("");
 }
 
-int wxNotebook::GetPageImage( int page ) const
+int wxNotebook::GetPageImage( size_t page ) const
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 
@@ -371,11 +367,11 @@ wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
     return m_pagesData.Item(page)->GetData();
 }
 
-int wxNotebook::SetSelection( int page )
+int wxNotebook::SetSelection( size_t page )
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
 
-    wxCHECK_MSG( page >= 0 && page < (int)m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
+    wxCHECK_MSG( page < m_pagesData.GetCount(), -1, wxT("invalid notebook index") );
 
     int selOld = GetSelection();
 
@@ -390,7 +386,7 @@ int wxNotebook::SetSelection( int page )
     return selOld;
 }
 
-bool wxNotebook::SetPageText( int page, const wxString &text )
+bool wxNotebook::SetPageText( size_t page, const wxString &text )
 {
     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
 
@@ -405,7 +401,7 @@ bool wxNotebook::SetPageText( int page, const wxString &text )
     return TRUE;
 }
 
-bool wxNotebook::SetPageImage( int page, int image )
+bool wxNotebook::SetPageImage( size_t page, int image )
 {
     /* HvdH 28-12-98: now it works, but it's a bit of a kludge */
 
@@ -539,25 +535,19 @@ bool wxNotebook::DeleteAllPages()
     return wxNotebookBase::DeleteAllPages();
 }
 
-bool wxNotebook::DeletePage( int page )
+bool wxNotebook::DeletePage( size_t page )
 {
-    // GTK sets GtkNotebook.cur_page to NULL before sending the switch page
-    // event so we have to store the selection internally
-    if ( m_selection == -1 )
+    if ( m_selection == (int)m_pagesData.GetCount() - 1 )
     {
-        m_selection = GetSelection();
-        if ( m_selection == (int)m_pagesData.GetCount() - 1 )
-        {
-            // the index will become invalid after the page is deleted
-            m_selection = -1;
-        }
+        // the index will become invalid after the page is deleted
+        m_selection = -1;
     }
 
     // it will call our DoRemovePage() to do the real work
     return wxNotebookBase::DeletePage(page);
 }
 
-wxNotebookPage *wxNotebook::DoRemovePage( int page )
+wxNotebookPage *wxNotebook::DoRemovePage( size_t page )
 {
     wxNotebookPage *client = wxNotebookBase::DoRemovePage(page);
     if ( !client )
@@ -567,8 +557,17 @@ wxNotebookPage *wxNotebook::DoRemovePage( int page )
     gtk_widget_unrealize( client->m_widget );
     gtk_widget_unparent( client->m_widget );
 
+    // gtk_notebook_remove_page() sends "switch_page" signal with some strange
+    // new page index (when deleting selected page 0, new page is 1 although,
+    // clearly, the selection should stay 0), so suppress this
+    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
+
     gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
 
+    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
+      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
+
     wxGtkNotebookPage* p = GetNotebookPage(page);
     m_pagesData.DeleteObject(p);
     delete p;
@@ -576,7 +575,7 @@ wxNotebookPage *wxNotebook::DoRemovePage( int page )
     return client;
 }
 
-bool wxNotebook::InsertPage( int position,
+bool wxNotebook::InsertPage( size_t position,
                              wxNotebookPage* win,
                              const wxString& text,
                              bool select,
@@ -587,7 +586,7 @@ bool wxNotebook::InsertPage( int position,
     wxCHECK_MSG( win->GetParent() == this, FALSE,
                wxT("Can't add a page whose parent is not the notebook!") );
 
-    wxCHECK_MSG( position >= 0 && position <= GetPageCount(), FALSE,
+    wxCHECK_MSG( position <= GetPageCount(), FALSE,
                  _T("invalid page index in wxNotebookPage::InsertPage()") );
 
     /* don't receive switch page during addition */
@@ -614,10 +613,13 @@ bool wxNotebook::InsertPage( int position,
     gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
       GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
 
-    if (position < 0)
+#ifndef __VMS
+   // On VMS position is unsigned and thus always positive
+   if (position < 0)
         gtk_notebook_append_page( notebook, win->m_widget, nb_page->m_box );
     else
-        gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
+#endif
+     gtk_notebook_insert_page( notebook, win->m_widget, nb_page->m_box, position );
 
     nb_page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
 
@@ -647,17 +649,20 @@ bool wxNotebook::InsertPage( int position,
     nb_page->m_text = text;
     if (nb_page->m_text.IsEmpty()) nb_page->m_text = wxT("");
   
-    nb_page->m_label = GTK_LABEL( gtk_label_new(nb_page->m_text.mbc_str()) );
+    nb_page->m_label = GTK_LABEL( gtk_label_new(wxGTK_CONV(nb_page->m_text)) );
     gtk_box_pack_end( GTK_BOX(nb_page->m_box), GTK_WIDGET(nb_page->m_label), FALSE, FALSE, m_padding );
   
     /* show the label */
     gtk_widget_show( GTK_WIDGET(nb_page->m_label) );
     if (select && (m_pagesData.GetCount() > 1))
     {
+#ifndef __VMS
+   // On VMS position is unsigned and thus always positive
         if (position < 0)
             SetSelection( GetPageCount()-1 );
         else
-            SetSelection( position );
+#endif
+           SetSelection( position );
     }
 
     gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",