d6538e2c55
Corrected client data "code" for wxChoice, git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4065 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
378 lines
10 KiB
C++
378 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: choice.cpp
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// Purpose:
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// Author: Robert Roebling
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// Id: $Id$
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// Copyright: (c) 1998 Robert Roebling
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "choice.h"
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#endif
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#include "wx/choice.h"
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#if wxUSE_CHOICE
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#include "gdk/gdk.h"
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#include "gtk/gtk.h"
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//-----------------------------------------------------------------------------
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// idle system
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//-----------------------------------------------------------------------------
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extern void wxapp_install_idle_handler();
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extern bool g_isIdle;
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//-----------------------------------------------------------------------------
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// data
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//-----------------------------------------------------------------------------
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extern bool g_blockEventsOnDrag;
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//-----------------------------------------------------------------------------
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// "activate"
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//-----------------------------------------------------------------------------
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static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
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{
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if (g_isIdle)
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wxapp_install_idle_handler();
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if (!choice->m_hasVMT) return;
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if (g_blockEventsOnDrag) return;
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wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
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event.SetInt( choice->GetSelection() );
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event.SetString( choice->GetStringSelection() );
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event.SetEventObject(choice);
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choice->GetEventHandler()->ProcessEvent(event);
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}
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//-----------------------------------------------------------------------------
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// wxChoice
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//-----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
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wxChoice::wxChoice()
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{
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}
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bool wxChoice::Create( wxWindow *parent, wxWindowID id,
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const wxPoint &pos, const wxSize &size,
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int n, const wxString choices[],
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long style, const wxValidator& validator, const wxString &name )
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{
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m_needParent = TRUE;
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#if (GTK_MINOR_VERSION > 0)
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m_acceptsFocus = TRUE;
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#endif
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if (!PreCreation( parent, pos, size ) ||
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!CreateBase( parent, id, pos, size, style, validator, name ))
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{
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wxFAIL_MSG( wxT("wxChoice creation failed") );
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return FALSE;
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}
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m_widget = gtk_option_menu_new();
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wxSize newSize(size);
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if (newSize.x == -1)
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newSize.x = 80;
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if (newSize.y == -1)
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newSize.y = 26;
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SetSize( newSize.x, newSize.y );
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GtkWidget *menu = gtk_menu_new();
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for (int i = 0; i < n; i++)
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{
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m_clientList.Append( (wxObject*) NULL );
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GtkWidget *item = gtk_menu_item_new_with_label( choices[i].mbc_str() );
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gtk_menu_append( GTK_MENU(menu), item );
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gtk_widget_show( item );
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gtk_signal_connect( GTK_OBJECT( item ), "activate",
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GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
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}
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gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
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m_parent->DoAddChild( this );
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PostCreation();
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SetBackgroundColour( parent->GetBackgroundColour() );
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SetForegroundColour( parent->GetForegroundColour() );
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SetFont( parent->GetFont() );
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Show( TRUE );
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return TRUE;
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}
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wxChoice::~wxChoice()
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{
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Clear();
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}
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int wxChoice::DoAppend( const wxString &item )
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{
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wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
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GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
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GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
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gtk_menu_append( GTK_MENU(menu), menu_item );
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if (GTK_WIDGET_REALIZED(m_widget))
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{
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gtk_widget_realize( menu_item );
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gtk_widget_realize( GTK_BIN(menu_item)->child );
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if (m_widgetStyle) ApplyWidgetStyle();
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}
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gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
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GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
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gtk_widget_show( menu_item );
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m_clientList.Append( (wxObject*) NULL );
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// return the index of the item in the control
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return GetCount() - 1;
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}
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void wxChoice::DoSetClientData( int n, void* clientData )
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{
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wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
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wxNode *node = m_clientList.Nth( n );
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wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetClientData") );
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node->SetData( (wxObject*) clientData );
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}
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void* wxChoice::DoGetClientData( int n ) const
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{
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wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
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wxNode *node = m_clientList.Nth( n );
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wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetClientData") );
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return node->Data();
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}
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void wxChoice::DoSetClientObject( int n, wxClientData* clientData )
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{
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wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
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wxNode *node = m_clientList.Nth( n );
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wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetClientObject") );
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wxClientData *cd = (wxClientData*) node->Data();
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delete cd;
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node->SetData( (wxObject*) clientData );
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}
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wxClientData* wxChoice::DoGetClientObject( int n ) const
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{
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wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid combobox") );
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wxNode *node = m_clientList.Nth( n );
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wxCHECK_MSG( node, (wxClientData *)NULL,
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wxT("invalid index in wxChoice::DoGetClientObject") );
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return (wxClientData*) node->Data();
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}
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void wxChoice::Clear()
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{
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wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
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gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
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GtkWidget *menu = gtk_menu_new();
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gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
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if (m_clientDataItemsType == ClientData_Object)
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{
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wxNode *node = m_clientList.First();
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while (node)
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{
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wxClientData *cd = (wxClientData*)node->Data();
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if (cd) delete cd;
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node = node->Next();
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}
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}
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m_clientList.Clear();
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}
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void wxChoice::Delete( int WXUNUSED(n) )
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{
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wxFAIL_MSG( wxT("wxChoice:Delete not implemented") );
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}
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int wxChoice::FindString( const wxString &string ) const
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{
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wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
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// If you read this code once and you think you understand
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// it, then you are very wrong. Robert Roebling.
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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int count = 0;
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GList *child = menu_shell->children;
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while (child)
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{
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GtkBin *bin = GTK_BIN( child->data );
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GtkLabel *label = (GtkLabel *) NULL;
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if (bin->child) label = GTK_LABEL(bin->child);
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if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
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wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
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if (string == wxString(label->label,*wxConvCurrent))
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return count;
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child = child->next;
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count++;
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}
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return -1;
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}
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int wxChoice::GetSelection() const
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{
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wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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int count = 0;
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GList *child = menu_shell->children;
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while (child)
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{
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GtkBin *bin = GTK_BIN( child->data );
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if (!bin->child) return count;
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child = child->next;
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count++;
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}
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return -1;
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}
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wxString wxChoice::GetString( int n ) const
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{
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wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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int count = 0;
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GList *child = menu_shell->children;
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while (child)
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{
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GtkBin *bin = GTK_BIN( child->data );
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if (count == n)
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{
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GtkLabel *label = (GtkLabel *) NULL;
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if (bin->child) label = GTK_LABEL(bin->child);
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if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
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wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
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return wxString(label->label,*wxConvCurrent);
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}
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child = child->next;
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count++;
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}
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wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
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return wxT("");
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}
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int wxChoice::GetCount() const
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{
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wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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int count = 0;
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GList *child = menu_shell->children;
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while (child)
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{
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count++;
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child = child->next;
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}
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return count;
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}
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void wxChoice::SetSelection( int n )
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{
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wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
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int tmp = n;
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gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
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}
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void wxChoice::DisableEvents()
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{
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/*
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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GList *child = menu_shell->children;
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while (child)
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{
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gtk_signal_disconnect_by_func( GTK_OBJECT( child->data ),
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GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
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child = child->next;
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}
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*/
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}
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void wxChoice::EnableEvents()
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{
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/*
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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GList *child = menu_shell->children;
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while (child)
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{
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gtk_signal_connect( GTK_OBJECT( child->data ), "activate",
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GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
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child = child->next;
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}
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*/
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}
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void wxChoice::ApplyWidgetStyle()
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{
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SetWidgetStyle();
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GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
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gtk_widget_set_style( m_widget, m_widgetStyle );
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gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
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GList *child = menu_shell->children;
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while (child)
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{
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gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
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GtkBin *bin = GTK_BIN( child->data );
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GtkWidget *label = (GtkWidget *) NULL;
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if (bin->child) label = bin->child;
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if (!label) label = GTK_BUTTON(m_widget)->child;
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gtk_widget_set_style( label, m_widgetStyle );
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child = child->next;
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}
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}
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#endif
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