X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bfc908104996c9b856fcb61b2f084a6025402d61..835165d576b66441987b78519e6ef1fe74ea795a:/include/wx/display.h?ds=sidebyside diff --git a/include/wx/display.h b/include/wx/display.h index 05db85ab8d..7923e9c687 100644 --- a/include/wx/display.h +++ b/include/wx/display.h @@ -1,83 +1,43 @@ ///////////////////////////////////////////////////////////////////////////// // Name: wx/display.h // Purpose: wxDisplay class -// Author: Royce Mitchell III -// Modified by: Vadim Zeitlin (resolution changes, display modes, ...) +// Author: Royce Mitchell III, Vadim Zeitlin // Created: 06/21/02 // RCS-ID: $Id$ -// Copyright: (c) 2002-2003 wxWindows team +// Copyright: (c) 2002-2006 wxWidgets team // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifndef _WX_DISPLAY_H_BASE_ #define _WX_DISPLAY_H_BASE_ -#if wxUSE_DISPLAY - -#if defined(__GNUG__) && !defined(__APPLE__) - #pragma interface "displaybase.h" -#endif +// 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 -#include "wx/dynarray.h" +#if wxUSE_DISPLAY + #include "wx/dynarray.h" + #include "wx/vidmode.h" -// ---------------------------------------------------------------------------- -// wxVideoMode: contains video mode parameters for a display -// ---------------------------------------------------------------------------- + WX_DECLARE_EXPORTED_OBJARRAY(wxVideoMode, wxArrayVideoModes); -struct WXDLLEXPORT wxVideoMode -{ - wxVideoMode(int width = 0, int height = 0, int depth = 0, int freq = 0) - { - w = width; - h = height; - - bpp = depth; - - refresh = freq; - } - - // default copy ctor and assignment operator are ok - - bool operator==(const wxVideoMode& m) const - { - return w == m.w && h == m.h && bpp == m.bpp && refresh == m.refresh; - } - bool operator!=(const wxVideoMode& mode) const - { - return !operator==(mode); - } - - // returns true if this mode matches the other one in the sense that all - // non zero fields of the other mode have the same value in this one - // (except for refresh which is allowed to have a greater value) - bool Matches(const wxVideoMode& other) const - { - return (!other.w || w == other.w) && - (!other.h || h == other.h) && - (!other.bpp || bpp == other.bpp) && - (!other.refresh || refresh >= other.refresh); - } - - // the screen size in pixels (e.g. 640*480), 0 means unspecified - int w, h; - - // bits per pixel (e.g. 32), 1 is monochrome and 0 means unspecified/known - int bpp; - - // refresh frequency in Hz, 0 means unspecified/unknown - int refresh; -}; + // default, uninitialized, video mode object + extern WXDLLIMPEXP_DATA_CORE(const wxVideoMode) wxDefaultVideoMode; +#endif // wxUSE_DISPLAY -WX_DECLARE_EXPORTED_OBJARRAY(wxVideoMode, wxArrayVideoModes); +class WXDLLIMPEXP_FWD_CORE wxWindow; +class WXDLLIMPEXP_FWD_CORE wxPoint; +class WXDLLIMPEXP_FWD_CORE wxRect; +class WXDLLIMPEXP_FWD_BASE wxString; -// default, uninitialized, video mode object -WXDLLEXPORT_DATA(extern const wxVideoMode) wxDefaultVideoMode; +class WXDLLIMPEXP_FWD_CORE wxDisplayFactory; +class WXDLLIMPEXP_FWD_CORE wxDisplayImpl; // ---------------------------------------------------------------------------- -// wxDisplayBase: represents a display/monitor attached to the system +// wxDisplay: represents a display/monitor attached to the system // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxDisplayBase +class WXDLLIMPEXP_CORE wxDisplay { public: // initialize the object containing all information about the given @@ -85,11 +45,16 @@ public: // // the displays are numbered from 0 to GetCount() - 1, 0 is always the // primary display and the only one which is always supported - wxDisplayBase(size_t index = 0); + wxDisplay(unsigned n = 0); + + // dtor is not virtual as this is a concrete class not meant to be derived + // from + ~wxDisplay(); + // 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 wxNOT_FOUND if // it doesn't belong to any display @@ -97,19 +62,26 @@ public: // find the display where the given window lies, return wxNOT_FOUND if it // is not shown at all - static int GetFromWindow(wxWindow *window); + static int GetFromWindow(const wxWindow *window); + + + // return true if the object was initialized successfully + bool IsOk() const { return m_impl != NULL; } + // get the full display size + wxRect GetGeometry() const; - // get the display size - virtual wxRect GetGeometry() const = 0; + // 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; - // display 0 is always the primary display - bool IsPrimary() const { return m_index == 0; } + // display 0 is usually the primary display + bool IsPrimary() const; +#if wxUSE_DISPLAY // enumerate all video modes supported by this display matching the given // one (in the sense of wxVideoMode::Match()) // @@ -117,43 +89,40 @@ public: // 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 - virtual wxArrayVideoModes - GetModes(const wxVideoMode& mode = wxDefaultVideoMode) const = 0; + wxArrayVideoModes + GetModes(const wxVideoMode& mode = wxDefaultVideoMode) const; // get current video mode - virtual wxVideoMode GetCurrentMode() const = 0; + 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 - virtual bool ChangeMode(const wxVideoMode& mode = wxDefaultVideoMode) = 0; + bool ChangeMode(const wxVideoMode& mode = wxDefaultVideoMode); // restore the default video mode (just a more readable synonym) void ResetMode() { (void)ChangeMode(); } +#endif // wxUSE_DISPLAY - // virtual dtor as for any base class - virtual ~wxDisplayBase() { } +private: + // returns the factory used to implement our static methods and create new + // displays + static wxDisplayFactory& Factory(); -protected: - // the index of this display (0 is always the primary one) - size_t m_index; + // 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(); - DECLARE_NO_COPY_CLASS(wxDisplayBase); -}; + // the real implementation + wxDisplayImpl *m_impl; -#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 + wxDECLARE_NO_COPY_CLASS(wxDisplay); +}; #endif // _WX_DISPLAY_H_BASE_