///////////////////////////////////////////////////////////////////////////////
-// Name: common/dpycmn.cpp
-// Purpose: wxDisplayBase implementation
+// Name: src/common/dpycmn.cpp
+// Purpose: wxDisplay and wxDisplayImplSingle implementation
// Author: Vadim Zeitlin
// Modified by:
// Created: 01.03.03
// RCS-ID: $Id$
-// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright: (c) 2003-2006 Vadim Zeitlin <vadim@wxwindows.org>
// License: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "displaybase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#ifndef WX_PRECOMP
+ #include "wx/gdicmn.h"
+ #include "wx/window.h"
+ #include "wx/module.h"
+#endif //WX_PRECOMP
+
#include "wx/display.h"
+#include "wx/display_impl.h"
-#ifdef wxUSE_DISPLAY
+#if wxUSE_DISPLAY
#include "wx/arrimpl.cpp"
-WX_DEFINE_OBJARRAY(wxArrayVideoModes);
+WX_DEFINE_OBJARRAY(wxArrayVideoModes)
const wxVideoMode wxDefaultVideoMode;
+#endif // wxUSE_DISPLAY
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+// the factory object used by wxDisplay
+//
+// created on demand and destroyed by wxDisplayModule
+static wxDisplayFactory *gs_factory = NULL;
+
+// ----------------------------------------------------------------------------
+// wxDisplayImplSingle: trivial implementation working for main display only
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDisplayImplSingle : public wxDisplayImpl
+{
+public:
+ wxDisplayImplSingle() : wxDisplayImpl(0) { }
+
+ virtual wxRect GetGeometry() const
+ {
+ wxRect r;
+ wxDisplaySize(&r.width, &r.height);
+ return r;
+ }
+
+ virtual wxRect GetClientArea() const { return wxGetClientDisplayRect(); }
+
+ virtual wxString GetName() const { return wxString(); }
+
+#if wxUSE_DISPLAY
+ // no video modes support for us, provide just the stubs
+
+ virtual wxArrayVideoModes GetModes(const wxVideoMode& WXUNUSED(mode)) const
+ {
+ return wxArrayVideoModes();
+ }
+
+ virtual wxVideoMode GetCurrentMode() const { return wxVideoMode(); }
+
+ virtual bool ChangeMode(const wxVideoMode& WXUNUSED(mode)) { return false; }
+#endif // wxUSE_DISPLAY
+
+
+ DECLARE_NO_COPY_CLASS(wxDisplayImplSingle)
+};
+
+// ----------------------------------------------------------------------------
+// wxDisplayModule is used to cleanup gs_factory
+// ----------------------------------------------------------------------------
+
+class wxDisplayModule : public wxModule
+{
+public:
+ virtual bool OnInit() { return true; }
+ virtual void OnExit()
+ {
+ if ( gs_factory )
+ {
+ delete gs_factory;
+ gs_factory = NULL;
+ }
+ }
+
+ DECLARE_DYNAMIC_CLASS(wxDisplayModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDisplayModule, wxModule)
+
// ============================================================================
-// implementation
+// wxDisplay implementation
// ============================================================================
-wxDisplayBase::wxDisplayBase(size_t index)
- : m_index (index)
+// ----------------------------------------------------------------------------
+// ctor/dtor
+// ----------------------------------------------------------------------------
+
+wxDisplay::wxDisplay(unsigned n)
{
- wxASSERT_MSG( m_index < GetCount(),
+ wxASSERT_MSG( n < GetCount(),
wxT("An invalid index was passed to wxDisplay") );
+
+ m_impl = Factory().CreateDisplay(n);
}
-#endif // wxUSE_DISPLAY
+wxDisplay::~wxDisplay()
+{
+ delete m_impl;
+}
+
+// ----------------------------------------------------------------------------
+// static functions forwarded to wxDisplayFactory
+// ----------------------------------------------------------------------------
+
+/* static */ unsigned wxDisplay::GetCount()
+{
+ return Factory().GetCount();
+}
+
+/* static */ int wxDisplay::GetFromPoint(const wxPoint& pt)
+{
+ return Factory().GetFromPoint(pt);
+}
+
+/* static */ int wxDisplay::GetFromWindow(const wxWindow *window)
+{
+ wxCHECK_MSG( window, wxNOT_FOUND, _T("invalid window") );
+
+ return Factory().GetFromWindow(window);
+}
+
+// ----------------------------------------------------------------------------
+// functions forwarded to wxDisplayImpl
+// ----------------------------------------------------------------------------
+
+wxRect wxDisplay::GetGeometry() const
+{
+ wxCHECK_MSG( IsOk(), wxRect(), _T("invalid wxDisplay object") );
+ return m_impl->GetGeometry();
+}
+
+wxRect wxDisplay::GetClientArea() const
+{
+ wxCHECK_MSG( IsOk(), wxRect(), _T("invalid wxDisplay object") );
+
+ return m_impl->GetClientArea();
+}
+
+wxString wxDisplay::GetName() const
+{
+ wxCHECK_MSG( IsOk(), wxString(), _T("invalid wxDisplay object") );
+
+ return m_impl->GetName();
+}
+
+bool wxDisplay::IsPrimary() const
+{
+ return m_impl && m_impl->GetIndex() == 0;
+}
+
+#if wxUSE_DISPLAY
+
+wxArrayVideoModes wxDisplay::GetModes(const wxVideoMode& mode) const
+{
+ wxCHECK_MSG( IsOk(), wxArrayVideoModes(), _T("invalid wxDisplay object") );
+
+ return m_impl->GetModes(mode);
+}
+
+wxVideoMode wxDisplay::GetCurrentMode() const
+{
+ wxCHECK_MSG( IsOk(), wxVideoMode(), _T("invalid wxDisplay object") );
+
+ return m_impl->GetCurrentMode();
+}
+
+bool wxDisplay::ChangeMode(const wxVideoMode& mode)
+{
+ wxCHECK_MSG( IsOk(), false, _T("invalid wxDisplay object") );
+
+ return m_impl->ChangeMode(mode);
+}
+
+#endif // wxUSE_DIRECTDRAW
+
+// ----------------------------------------------------------------------------
+// static functions implementation
+// ----------------------------------------------------------------------------
+
+// if wxUSE_DISPLAY == 1 this is implemented in port-specific code
+#if !wxUSE_DISPLAY
+
+/* static */ wxDisplayFactory *wxDisplay::CreateFactory()
+{
+ return new wxDisplayFactorySingle;
+}
+
+#endif // !wxUSE_DISPLAY
+
+/* static */ wxDisplayFactory& wxDisplay::Factory()
+{
+ if ( !gs_factory )
+ {
+ gs_factory = CreateFactory();
+ }
+
+ return *gs_factory;
+}
+
+// ============================================================================
+// wxDisplayFactory implementation
+// ============================================================================
+
+int wxDisplayFactory::GetFromWindow(const wxWindow *window)
+{
+ // consider that the window belongs to the display containing its centre
+ const wxRect r(window->GetRect());
+ return GetFromPoint(wxPoint(r.x + r.width/2, r.y + r.height/2));
+}
+
+// ============================================================================
+// wxDisplayFactorySingle implementation
+// ============================================================================
+
+/* static */
+wxDisplayImpl *wxDisplayFactorySingle::CreateDisplay(unsigned n)
+{
+ // we recognize the main display only
+ return n != 0 ? NULL : new wxDisplayImplSingle;
+}
+
+int wxDisplayFactorySingle::GetFromPoint(const wxPoint& pt)
+{
+ if ( pt.x >= 0 && pt.y >= 0 )
+ {
+ int w, h;
+ wxDisplaySize(&w, &h);
+
+ if ( pt.x < w && pt.y < h )
+ return 0;
+ }
+
+ // the point is outside of the screen
+ return wxNOT_FOUND;
+}
projects / wxWidgets.git / blobdiff