/////////////////////////////////////////////////////////////////////////////
-// Name: display.h
+// Name: wx/display.h
// Purpose: wxDisplay class
-// Author: Royce Mitchell III
-// Modified by:
+// Author: Royce Mitchell III, Vadim Zeitlin
// Created: 06/21/02
// RCS-ID: $Id$
-// Copyright: (c) wxWindows team
+// Copyright: (c) 2002-2006 wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DISPLAY_H_BASE_
#define _WX_DISPLAY_H_BASE_
+// NB: no #if wxUSE_DISPLAY here, the display geometry part of this class (but
+// not the video mode stuff) is always available but if wxUSE_DISPLAY == 0
+// it becomes just a trivial wrapper around the old wxDisplayXXX() functions
+
#if wxUSE_DISPLAY
+ #include "wx/dynarray.h"
+ #include "wx/vidmode.h"
+
+ WX_DECLARE_EXPORTED_OBJARRAY(wxVideoMode, wxArrayVideoModes);
+
+ // default, uninitialized, video mode object
+ extern WXDLLEXPORT_DATA(const wxVideoMode) wxDefaultVideoMode;
+#endif // wxUSE_DISPLAY
-#ifdef __GNUG__
- #pragma interface "display.h"
-#endif
+class WXDLLIMPEXP_FWD_CORE wxWindow;
+class WXDLLIMPEXP_FWD_CORE wxPoint;
+class WXDLLIMPEXP_FWD_CORE wxRect;
+class WXDLLIMPEXP_FWD_BASE wxString;
-class wxPoint;
-class wxRect;
-class wxString;
+class WXDLLIMPEXP_FWD_CORE wxDisplayFactory;
+class WXDLLIMPEXP_FWD_CORE wxDisplayImpl;
-class WXDLLEXPORT wxDisplayBase
+// ----------------------------------------------------------------------------
+// wxDisplay: represents a display/monitor attached to the system
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxDisplay
{
public:
// initialize the object containing all information about the given
// display
- wxDisplayBase ( size_t index = 0 ) : m_index ( index )
- {
- wxASSERT_MSG(m_index < wxDisplayBase::GetCount(), wxT("An invalid index was passed to wxDisplay"));
- }
+ //
+ // the displays are numbered from 0 to GetCount() - 1, 0 is always the
+ // primary display and the only one which is always supported
+ wxDisplay(unsigned n = 0);
+
+ // dtor is not virtual as this is a concrete class not meant to be derived
+ // from
+ ~wxDisplay();
- // accessors
// return the number of available displays, valid parameters to
// wxDisplay ctor are from 0 up to this number
- static size_t GetCount();
+ static unsigned GetCount();
- // find the display where the given point lies, return -1 if
+ // find the display where the given point lies, return wxNOT_FOUND if
// it doesn't belong to any display
- static int GetFromPoint ( const wxPoint& pt );
+ static int GetFromPoint(const wxPoint& pt);
+
+ // find the display where the given window lies, return wxNOT_FOUND if it
+ // is not shown at all
+ static int GetFromWindow(const wxWindow *window);
+
- virtual wxRect GetGeometry() const = 0;
- virtual int GetDepth() const = 0;
- bool IsColour() const { return GetDepth() != 1; }
+ // return true if the object was initialized successfully
+ bool IsOk() const { return m_impl != NULL; }
- // some people never learn to spell ;-)
- bool IsColor() const { return IsColour(); }
+ // get the full display size
+ wxRect GetGeometry() const;
+
+ // get the client area of the display, i.e. without taskbars and such
+ wxRect GetClientArea() const;
// name may be empty
- virtual wxString GetName() const = 0;
+ wxString GetName() const;
- // let display 0 always be the primary display
- bool IsPrimary() { return m_index == 0; }
+ // display 0 is usually the primary display
+ bool IsPrimary() const;
- virtual ~wxDisplayBase() {}
+#if wxUSE_DISPLAY
+ // enumerate all video modes supported by this display matching the given
+ // one (in the sense of wxVideoMode::Match())
+ //
+ // as any mode matches the default value of the argument and there is
+ // always at least one video mode supported by display, the returned array
+ // is only empty for the default value of the argument if this function is
+ // not supported at all on this platform
+ wxArrayVideoModes
+ GetModes(const wxVideoMode& mode = wxDefaultVideoMode) const;
+
+ // get current video mode
+ wxVideoMode GetCurrentMode() const;
+
+ // change current mode, return true if succeeded, false otherwise
+ //
+ // for the default value of the argument restores the video mode to default
+ bool ChangeMode(const wxVideoMode& mode = wxDefaultVideoMode);
+
+ // restore the default video mode (just a more readable synonym)
+ void ResetMode() { (void)ChangeMode(); }
+#endif // wxUSE_DISPLAY
-protected:
- size_t m_index; // which display did we select when creating this file?
+private:
+ // returns the factory used to implement our static methods and create new
+ // displays
+ static wxDisplayFactory& Factory();
- DECLARE_NO_COPY_CLASS(wxDisplayBase);
-};
+ // creates the factory object, called by Factory() when it is called for
+ // the first time and should return a pointer allocated with new (the
+ // caller will delete it)
+ //
+ // this method must be implemented in platform-specific code if
+ // wxUSE_DISPLAY == 1 (if it is 0 we provide the stub in common code)
+ static wxDisplayFactory *CreateFactory();
-#if defined(__WXMSW__)
- #include "wx/msw/display.h"
-#elif defined(__WXMOTIF__)
- #include "wx/motif/display.h"
-#elif defined(__WXGTK__)
- #include "wx/gtk/display.h"
-#elif defined(__WXMAC__)
- #include "wx/mac/display.h"
-#elif defined(__WXPM__)
- #include "wx/os2/display.h"
-#endif
-#endif // wxUSE_DISPLAY
+ // the real implementation
+ wxDisplayImpl *m_impl;
+
+
+ DECLARE_NO_COPY_CLASS(wxDisplay)
+};
#endif // _WX_DISPLAY_H_BASE_
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