- const wxPoint &pos, const wxSize &size,
- int n, const wxString choices[],
- long style, const wxValidator& validator, const wxString &name )
-{
- m_needParent = TRUE;
-
- PreCreation( parent, id, pos, size, style, name );
-
- SetValidator( validator );
-
- m_widget = gtk_option_menu_new();
-
- wxSize newSize = size;
- if (newSize.x == -1) newSize.x = 80;
- if (newSize.y == -1) newSize.y = 26;
- SetSize( newSize.x, newSize.y );
-
- GtkWidget *menu;
- menu = gtk_menu_new();
-
- for (int i = 0; i < n; i++)
- {
- GtkWidget *item;
- item = gtk_menu_item_new_with_label( choices[i] );
- gtk_signal_connect( GTK_OBJECT( item ), "activate",
- GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
- gtk_menu_append( GTK_MENU(menu), item );
- gtk_widget_show( item );
- }
- gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
-
- PostCreation();
-
- Show( TRUE );
-
- return TRUE;
-}
-
-void wxChoice::Append( const wxString &item )
-{
- GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
- GtkWidget *menu_item;
- menu_item = gtk_menu_item_new_with_label( item );
- gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
- GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
- gtk_menu_append( GTK_MENU(menu), menu_item );
- gtk_widget_show( menu_item );
-}
-
-void wxChoice::Clear(void)
-{
- gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
- GtkWidget *menu = gtk_menu_new();
- gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
-}
-
-void wxChoice::Delete( int WXUNUSED(n) )
-{
- wxFAIL_MSG( "wxChoice:Delete not implemented" );
-}
-
-int wxChoice::FindString( const wxString &string ) const
-{
- // If you read this code once and you think you understand
- // it, then you are very wrong. Robert Roebling.
-
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child) label = GTK_LABEL(bin->child);
-
- wxASSERT_MSG( label != NULL , "wxChoice: invalid label" );
-
- if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
- if (string == label->label) return count;
- child = child->next;
- count++;
- }
-
- wxFAIL_MSG( "wxChoice: string not found" );
-
- return -1;
-}
-
-int wxChoice::GetColumns(void) const
-{
- return 1;
-}
-
-int wxChoice::GetSelection(void)
-{
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- if (!bin->child) return count;
- child = child->next;
- count++;
- }
-
- wxFAIL_MSG( "wxChoice: no selection" );
-
- return -1;
-}
-
-wxString wxChoice::GetString( int n ) const
-{
- GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
- int count = 0;
- GList *child = menu_shell->children;
- while (child)
- {
- GtkBin *bin = GTK_BIN( child->data );
- if (count == n)
- {
- GtkLabel *label = (GtkLabel *) NULL;
- if (bin->child) label = GTK_LABEL(bin->child);
-
- wxASSERT_MSG( label != NULL , "wxChoice: invalid label" );
-
- if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
- return label->label;
- }
- child = child->next;
- count++;
- }
-
- wxFAIL_MSG( "wxChoice: string not found" );
-
- return "";
+ const wxPoint &pos, const wxSize &size,
+ int n, const wxString choices[],
+ long style, const wxValidator& validator, const wxString &name )
+{
+ if (!PreCreation( parent, pos, size ) ||
+ !CreateBase( parent, id, pos, size, style, validator, name ))
+ {
+ wxFAIL_MSG( wxT("wxChoice creation failed") );
+ return false;
+ }
+
+ m_widget = gtk_option_menu_new();
+
+ if ( IsSorted() )
+ {
+ // if our m_strings != NULL, Append() will check for it and insert
+ // items in the correct order
+ m_strings = new wxSortedArrayString;
+ }
+
+ // If we have items, GTK will choose the first item by default
+ m_selection_hack = n > 0 ? 0 : wxNOT_FOUND;
+
+ GtkWidget *menu = gtk_menu_new();
+
+ for (unsigned int i = 0; i < (unsigned int)n; i++)
+ {
+ GtkAddHelper(menu, i, choices[i]);
+ }
+
+ gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+ m_parent->DoAddChild( this );
+
+ PostCreation(size);
+ SetInitialSize(size); // need this too because this is a wxControlWithItems
+
+ // workaround for bug in gtk_option_menu_set_history(), it causes
+ // gtk_widget_size_allocate() to be called with the current
+ // widget->allocation values, which will be zero if a proper
+ // size_allocate has not occured yet
+ m_widget->allocation.width = m_width;
+ m_widget->allocation.height = m_height;
+
+ return true;
+}
+
+wxChoice::~wxChoice()
+{
+ Clear();
+
+ delete m_strings;
+}
+
+int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items,
+ unsigned int pos,
+ void **clientData, wxClientDataType type)
+{
+ wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
+
+ const unsigned int count = items.GetCount();
+
+ GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
+
+ for ( unsigned int i = 0; i < count; ++i, ++pos )
+ {
+ int n = GtkAddHelper(menu, pos, items[i]);
+ if ( n == wxNOT_FOUND )
+ return n;
+
+ AssignNewItemClientData(n, clientData, i, type);
+ }
+
+ // if the item to insert is at or before the selection, and the selection is valid
+ if (((int)pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
+ {
+ // move the selection forward
+ m_selection_hack += count;
+ }
+
+ // We must set the selection so that it can be read back even if
+ // the user has not modified it since GTK+ will then select the
+ // first item so well return 0.
+ if ((count > 0) && (m_selection_hack==wxNOT_FOUND))
+ m_selection_hack = 0;
+
+ return pos - 1;
+}
+
+void wxChoice::DoSetItemClientData(unsigned int n, void* clientData)
+{
+ m_clientData[n] = clientData;
+}
+
+void* wxChoice::DoGetItemClientData(unsigned int n) const
+{
+ return m_clientData[n];
+}
+
+void wxChoice::DoClear()
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+
+ gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
+ GtkWidget *menu = gtk_menu_new();
+ gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
+
+ m_clientData.Clear();
+
+ if ( m_strings )
+ m_strings->Clear();
+
+ // begin with no selection
+ m_selection_hack = wxNOT_FOUND;
+}
+
+void wxChoice::DoDeleteOneItem(unsigned int n)
+{
+ wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
+ wxCHECK_RET( IsValid(n), _T("invalid index in wxChoice::Delete") );
+
+ // if the item to delete is before the selection, and the selection is valid
+ if (((int)n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND))
+ {
+ // move the selection back one
+ m_selection_hack--;
+ }
+ else if ((int)n == m_selection_hack)
+ {
+ // invalidate the selection
+ m_selection_hack = wxNOT_FOUND;
+ }
+
+ // VZ: apparently GTK+ doesn't have a built-in function to do it (not even
+ // in 2.0), hence this dumb implementation -- still better than nothing
+ const unsigned int count = GetCount();
+
+ wxArrayString items;
+ wxArrayPtrVoid itemsData;
+ items.Alloc(count - 1);
+ itemsData.Alloc(count - 1);
+ for ( unsigned i = 0; i < count; i++ )
+ {
+ if ( i != n )
+ {
+ items.Add(GetString(i));
+ itemsData.Add(m_clientData[i]);
+ }
+ }
+
+ wxChoice::DoClear();
+
+ if ( count > 1 )
+ {
+ void ** const data = &itemsData[0];
+ if ( HasClientObjectData() )
+ Append(items, wx_reinterpret_cast(wxClientData **, data));
+ else
+ Append(items, data);
+ }
+ //else: the control is now empty, nothing to append
projects / wxWidgets.git / blobdiff