an implementation of wxListBox::SetFirstItem() which seems to work
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8602 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@ -416,16 +416,16 @@ int wxListBox::DoAppend( const wxString& item )
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// need to determine the index
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int index = m_strings->Add( item );
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// only if not at the end anyway
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if (index != GetCount())
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{
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GtkAddItem( item, index );
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// only if not at the end anyway
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if (index != GetCount())
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{
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GtkAddItem( item, index );
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wxNode *node = m_clientList.Nth( index );
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wxNode *node = m_clientList.Nth( index );
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m_clientList.Insert( node, (wxObject *)NULL );
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return index;
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}
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return index;
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}
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}
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GtkAddItem(item);
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@ -492,7 +492,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
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// Apply current widget style to the new list_item
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if (m_widgetStyle)
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{
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{
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gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
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GtkBin *bin = GTK_BIN( list_item );
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GtkWidget *label = GTK_WIDGET( bin->child );
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@ -778,9 +778,44 @@ void wxListBox::SetSelection( int n, bool select )
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GtkEnableEvents();
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}
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void wxListBox::DoSetFirstItem( int WXUNUSED(n) )
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void wxListBox::DoSetFirstItem( int n )
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{
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wxFAIL_MSG(wxT("wxListBox::SetFirstItem not implemented"));
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wxCHECK_RET( m_list, wxT("invalid listbox") );
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if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
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return;
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// terribly efficient
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const gchar *vadjustment_key = "gtk-vadjustment";
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guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
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GtkAdjustment *adjustment =
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(GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
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wxCHECK_RET( adjustment, wxT("invalid listbox code") );
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GList *target = g_list_nth( m_list->children, n );
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wxCHECK_RET( target, wxT("invalid listbox index") );
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GtkWidget *item = GTK_WIDGET(target->data);
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wxCHECK_RET( item, wxT("invalid listbox code") );
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// find the last item before this one which is already realized
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size_t nItemsBefore;
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for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
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{
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target = target->prev;
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if ( !target )
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{
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// nothing we can do if there are no allocated items yet
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return;
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}
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item = GTK_WIDGET(target->data);
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}
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gtk_adjustment_set_value(adjustment,
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item->allocation.y +
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nItemsBefore*item->allocation.height);
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}
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// ----------------------------------------------------------------------------
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@ -416,16 +416,16 @@ int wxListBox::DoAppend( const wxString& item )
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// need to determine the index
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int index = m_strings->Add( item );
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// only if not at the end anyway
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if (index != GetCount())
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{
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GtkAddItem( item, index );
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// only if not at the end anyway
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if (index != GetCount())
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{
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GtkAddItem( item, index );
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wxNode *node = m_clientList.Nth( index );
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wxNode *node = m_clientList.Nth( index );
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m_clientList.Insert( node, (wxObject *)NULL );
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return index;
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}
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return index;
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}
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}
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GtkAddItem(item);
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@ -492,7 +492,7 @@ void wxListBox::GtkAddItem( const wxString &item, int pos )
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// Apply current widget style to the new list_item
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if (m_widgetStyle)
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{
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{
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gtk_widget_set_style( GTK_WIDGET( list_item ), m_widgetStyle );
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GtkBin *bin = GTK_BIN( list_item );
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GtkWidget *label = GTK_WIDGET( bin->child );
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@ -778,9 +778,44 @@ void wxListBox::SetSelection( int n, bool select )
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GtkEnableEvents();
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}
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void wxListBox::DoSetFirstItem( int WXUNUSED(n) )
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void wxListBox::DoSetFirstItem( int n )
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{
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wxFAIL_MSG(wxT("wxListBox::SetFirstItem not implemented"));
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wxCHECK_RET( m_list, wxT("invalid listbox") );
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if (gdk_pointer_is_grabbed () && GTK_WIDGET_HAS_GRAB (m_list))
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return;
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// terribly efficient
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const gchar *vadjustment_key = "gtk-vadjustment";
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guint vadjustment_key_id = g_quark_from_static_string (vadjustment_key);
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GtkAdjustment *adjustment =
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(GtkAdjustment*) gtk_object_get_data_by_id (GTK_OBJECT (m_list), vadjustment_key_id);
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wxCHECK_RET( adjustment, wxT("invalid listbox code") );
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GList *target = g_list_nth( m_list->children, n );
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wxCHECK_RET( target, wxT("invalid listbox index") );
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GtkWidget *item = GTK_WIDGET(target->data);
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wxCHECK_RET( item, wxT("invalid listbox code") );
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// find the last item before this one which is already realized
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size_t nItemsBefore;
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for ( nItemsBefore = 0; item && (item->allocation.y == -1); nItemsBefore++ )
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{
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target = target->prev;
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if ( !target )
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{
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// nothing we can do if there are no allocated items yet
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return;
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}
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item = GTK_WIDGET(target->data);
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}
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gtk_adjustment_set_value(adjustment,
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item->allocation.y +
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nItemsBefore*item->allocation.height);
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}
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// ----------------------------------------------------------------------------
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