Add import/export attributes

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

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index 5ec1549e864ef7295c352f214ba48346e2c1bb89..9b11ce5315ad62c420f55ea2deaaecbf7ce03d15 100644 (file)
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -44,6 +44,7 @@ static int    g_SelectionBeforePopup = -2; // -2 <=> the popup is hidden
 //              if it doesn't match an item then just get a single changed
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
@@ -62,12 +63,16 @@ gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
     event.SetEventObject( combo );
     combo->GetEventHandler()->ProcessEvent( event );
 }
+}
 
+extern "C" {
 static void
 gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
 {
 }
+}
 
+extern "C" {
 static void
 gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
 {
@@ -86,7 +91,9 @@ gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
     // reset the selection flag to an identifiable value (-2 = hidden)
     g_SelectionBeforePopup = -2;
 }
+}
 
+extern "C" {
 static void
 gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
 {
@@ -94,11 +101,13 @@ gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
   // if there is no selection, combo->GetSelection() returns -1
     g_SelectionBeforePopup = combo->GetSelection();
 }
+}
 
 //-----------------------------------------------------------------------------
 // "select-child" - click/cursor get select-child, changed, select-child
 //-----------------------------------------------------------------------------
 
+extern "C" {
 static void
 gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(widget), wxComboBox *combo )
 {
@@ -146,6 +155,7 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
     event2.SetEventObject( combo );
     combo->GetEventHandler()->ProcessEvent( event2 );
 }
+}
 
 //-----------------------------------------------------------------------------
 // wxComboBox
@@ -339,9 +349,9 @@ int wxComboBox::DoAppend( const wxString &item )
     const int count = GetCount();
 
     if ( (int)m_clientDataList.GetCount() < count )
-    m_clientDataList.Append( (wxObject*) NULL );
+        m_clientDataList.Append( (wxObject*) NULL );
     if ( (int)m_clientObjectList.GetCount() < count )
-    m_clientObjectList.Append( (wxObject*) NULL );
+        m_clientObjectList.Append( (wxObject*) NULL );
 
     EnableEvents();
 
@@ -386,9 +396,9 @@ int wxComboBox::DoInsert( const wxString &item, int pos )
     count = GetCount();
 
     if ( (int)m_clientDataList.GetCount() < count )
-    m_clientDataList.Insert( pos, (wxObject*) NULL );
+        m_clientDataList.Insert( pos, (wxObject*) NULL );
     if ( (int)m_clientObjectList.GetCount() < count )
-    m_clientObjectList.Insert( pos, (wxObject*) NULL );
+        m_clientObjectList.Insert( pos, (wxObject*) NULL );
 
     EnableEvents();
 
@@ -522,7 +532,7 @@ void wxComboBox::SetString(int n, const wxString &text)
 
 int wxComboBox::FindString( const wxString &item ) const
 {
-    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -571,7 +581,7 @@ int wxComboBox::GetSelection() const
 
 wxString wxComboBox::GetString( int n ) const
 {
-    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -597,7 +607,7 @@ wxString wxComboBox::GetString( int n ) const
 
 wxString wxComboBox::GetStringSelection() const
 {
-    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid combobox") );
+    wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid combobox") );
 
     GtkWidget *list = GTK_COMBO(m_widget)->list;
 
@@ -616,7 +626,7 @@ wxString wxComboBox::GetStringSelection() const
 
     wxFAIL_MSG( wxT("wxComboBox: no selection") );
 
-    return wxT("");
+    return wxEmptyString;
 }
 
 int wxComboBox::GetCount() const
@@ -667,7 +677,7 @@ void wxComboBox::SetValue( const wxString& value )
     wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
 
     GtkWidget *entry = GTK_COMBO(m_widget)->entry;
-    wxString tmp = wxT("");
+    wxString tmp;
     if (!value.IsNull()) tmp = value;
     gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) );
 
@@ -1032,4 +1042,3 @@ void wxComboBox::OnUpdateSelectAll(wxUpdateUIEvent& event)
 }
 
 #endif
-