+///////////////////////////////////////////////////////////////////////////////
+// Name: src/generic/notifmsgg.cpp
+// Purpose: generic implementation of wxNotificationMessage
+// Author: Vadim Zeitlin
+// Created: 2007-11-24
+// RCS-ID: $Id$
+// Copyright: (c) 2007 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence: wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+// include this before the test below, wxUSE_GENERIC_NOTIFICATION_MESSAGE is
+// defined in this header
+#include "wx/notifmsg.h"
+
+#if wxUSE_GENERIC_NOTIFICATION_MESSAGE
+
+#ifndef WX_PRECOMP
+ #include "wx/dialog.h"
+ #include "wx/timer.h"
+#endif //WX_PRECOMP
+
+// ----------------------------------------------------------------------------
+// wxNotificationMessageDialog
+// ----------------------------------------------------------------------------
+
+class wxNotificationMessageDialog : public wxDialog
+{
+public:
+ wxNotificationMessageDialog(wxWindow *parent,
+ const wxString& text,
+ int timeout);
+
+ void Set(wxWindow *parent,
+ const wxString& text,
+ int timeout);
+
+ bool IsAutomatic() const { return m_timer.IsRunning(); }
+ void SetDeleteOnHide() { m_deleteOnHide = true; }
+
+private:
+ void OnClose(wxCloseEvent& event);
+ void OnTimer(wxTimerEvent& event);
+
+ // if true, delete the dialog when it should disappear, otherwise just hide
+ // it (initially false)
+ bool m_deleteOnHide;
+
+ // timer which will hide this dialog when it expires, if it's not running
+ // it means we were created without timeout
+ wxTimer m_timer;
+
+
+ DECLARE_EVENT_TABLE()
+ DECLARE_NO_COPY_CLASS(wxNotificationMessageDialog)
+};
+
+// ============================================================================
+// wxNotificationMessageDialog implementation
+// ============================================================================
+
+BEGIN_EVENT_TABLE(wxNotificationMessageDialog, wxDialog)
+ EVT_CLOSE(wxNotificationMessageDialog::OnClose)
+
+ EVT_TIMER(wxID_ANY, wxNotificationMessageDialog::OnTimer)
+END_EVENT_TABLE()
+
+wxNotificationMessageDialog::wxNotificationMessageDialog(wxWindow *parent,
+ const wxString& text,
+ int timeout)
+ : wxDialog(parent, wxID_ANY, _("Notice"),
+ wxDefaultPosition, wxDefaultSize,
+ 0 /* no caption, no border styles */),
+ m_timer(this)
+{
+ m_deleteOnHide = false;
+
+ Set(parent, text, timeout);
+}
+
+void
+wxNotificationMessageDialog::Set(wxWindow * WXUNUSED(parent),
+ const wxString& text,
+ int timeout)
+{
+ wxSizer *sizer = CreateTextSizer(text);
+ SetSizerAndFit(sizer);
+
+ if ( timeout != wxNotificationMessage::Timeout_Never )
+ {
+ // wxTimer uses ms, timeout is in seconds
+ m_timer.Start(timeout*1000, true /* one shot only */);
+ }
+ else if ( m_timer.IsRunning() )
+ {
+ m_timer.Stop();
+ }
+}
+
+void wxNotificationMessageDialog::OnClose(wxCloseEvent& event)
+{
+ if ( m_deleteOnHide )
+ {
+ // we don't need to keep this dialog alive any more
+ Destroy();
+ }
+ else // don't really close, just hide, as we can be shown again later
+ {
+ event.Veto();
+
+ Hide();
+ }
+}
+
+void wxNotificationMessageDialog::OnTimer(wxTimerEvent& WXUNUSED(event))
+{
+ if ( m_deleteOnHide )
+ Destroy();
+ else
+ Hide();
+}
+
+// ============================================================================
+// wxNotificationMessage implementation
+// ============================================================================
+
+int wxNotificationMessage::ms_timeout = 10;
+
+/* static */ void wxNotificationMessage::SetDefaultTimeout(int timeout)
+{
+ wxASSERT_MSG( timeout > 0,
+ "negative or zero default timeout doesn't make sense" );
+
+ ms_timeout = timeout;
+}
+
+void wxNotificationMessage::Init()
+{
+ m_dialog = NULL;
+}
+
+wxNotificationMessage::~wxNotificationMessage()
+{
+ if ( m_dialog->IsAutomatic() )
+ {
+ // we want to allow the user to create an automatically hidden
+ // notification just by creating a local wxNotificationMessage object
+ // and so we shouldn't hide the notification when this object goes out
+ // of scope
+ m_dialog->SetDeleteOnHide();
+ }
+ else // manual dialog, hide it immediately
+ {
+ // OTOH for permanently shown dialogs only the code can hide them and
+ // if the object is deleted, we must do it now as it won't be
+ // accessible programmatically any more
+ delete m_dialog;
+ }
+}
+
+bool wxNotificationMessage::Show(int timeout)
+{
+ if ( timeout == Timeout_Auto )
+ {
+ timeout = GetDefaultTimeout();
+ }
+
+ if ( !m_dialog )
+ {
+ m_dialog = new wxNotificationMessageDialog
+ (
+ GetParent(),
+ GetFullMessage(),
+ timeout
+ );
+ }
+ else // update the existing dialog
+ {
+ m_dialog->Set(GetParent(), GetFullMessage(), timeout);
+ }
+
+ m_dialog->Show();
+
+ return true;
+}
+
+bool wxNotificationMessage::Close()
+{
+ if ( !m_dialog )
+ return false;
+
+ m_dialog->Hide();
+
+ return true;
+}
+
+#endif // wxUSE_GENERIC_NOTIFICATION_MESSAGE
projects / wxWidgets.git / commitdiff
