| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/display_impl.h |
| 3 | // Purpose: wxDisplayImpl class declaration |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Created: 2006-03-15 |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) 2002-2006 Vadim Zeitlin <vadim@wxwindows.org> |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #ifndef _WX_DISPLAY_IMPL_H_BASE_ |
| 12 | #define _WX_DISPLAY_IMPL_H_BASE_ |
| 13 | |
| 14 | #include "wx/gdicmn.h" // for wxRect |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // wxDisplayFactory: allows to create wxDisplay objects |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | class WXDLLEXPORT wxDisplayFactory |
| 21 | { |
| 22 | public: |
| 23 | wxDisplayFactory() { } |
| 24 | virtual ~wxDisplayFactory() { } |
| 25 | |
| 26 | // create a new display object |
| 27 | // |
| 28 | // it can return a NULL pointer if the display creation failed |
| 29 | virtual wxDisplayImpl *CreateDisplay(unsigned n) = 0; |
| 30 | |
| 31 | // get the total number of displays |
| 32 | virtual unsigned GetCount() = 0; |
| 33 | |
| 34 | // return the display for the given point or wxNOT_FOUND |
| 35 | virtual int GetFromPoint(const wxPoint& pt) = 0; |
| 36 | |
| 37 | // return the display for the given window or wxNOT_FOUND |
| 38 | // |
| 39 | // the window pointer must not be NULL (i.e. caller should check it) |
| 40 | virtual int GetFromWindow(const wxWindow *window); |
| 41 | }; |
| 42 | |
| 43 | // ---------------------------------------------------------------------------- |
| 44 | // wxDisplayImpl: base class for all wxDisplay implementations |
| 45 | // ---------------------------------------------------------------------------- |
| 46 | |
| 47 | class WXDLLEXPORT wxDisplayImpl |
| 48 | { |
| 49 | public: |
| 50 | // virtual dtor for this base class |
| 51 | virtual ~wxDisplayImpl() { } |
| 52 | |
| 53 | |
| 54 | // return the full area of this display |
| 55 | virtual wxRect GetGeometry() const = 0; |
| 56 | |
| 57 | // return the area of the display available for normal windows |
| 58 | virtual wxRect GetClientArea() const { return GetGeometry(); } |
| 59 | |
| 60 | // return the name (may be empty) |
| 61 | virtual wxString GetName() const = 0; |
| 62 | |
| 63 | // return the index of this display |
| 64 | unsigned GetIndex() const { return m_index; } |
| 65 | |
| 66 | // return true if this is the primary monitor (usually one with index 0) |
| 67 | virtual bool IsPrimary() const { return GetIndex() == 0; } |
| 68 | |
| 69 | |
| 70 | #if wxUSE_DISPLAY |
| 71 | // implements wxDisplay::GetModes() |
| 72 | virtual wxArrayVideoModes GetModes(const wxVideoMode& mode) const = 0; |
| 73 | |
| 74 | // get current video mode |
| 75 | virtual wxVideoMode GetCurrentMode() const = 0; |
| 76 | |
| 77 | // change current mode, return true if succeeded, false otherwise |
| 78 | virtual bool ChangeMode(const wxVideoMode& mode) = 0; |
| 79 | #endif // wxUSE_DISPLAY |
| 80 | |
| 81 | protected: |
| 82 | // create the object providing access to the display with the given index |
| 83 | wxDisplayImpl(unsigned n) : m_index(n) { } |
| 84 | |
| 85 | |
| 86 | // the index of this display (0 is always the primary one) |
| 87 | const unsigned m_index; |
| 88 | |
| 89 | |
| 90 | friend class wxDisplayFactory; |
| 91 | |
| 92 | DECLARE_NO_COPY_CLASS(wxDisplayImpl) |
| 93 | }; |
| 94 | |
| 95 | // ---------------------------------------------------------------------------- |
| 96 | // wxDisplayFactorySingle |
| 97 | // ---------------------------------------------------------------------------- |
| 98 | |
| 99 | // this is a stub implementation using single/main display only, it is |
| 100 | // available even if wxUSE_DISPLAY == 0 |
| 101 | class WXDLLEXPORT wxDisplayFactorySingle : public wxDisplayFactory |
| 102 | { |
| 103 | public: |
| 104 | virtual wxDisplayImpl *CreateDisplay(unsigned n); |
| 105 | virtual unsigned GetCount() { return 1; } |
| 106 | virtual int GetFromPoint(const wxPoint& pt); |
| 107 | }; |
| 108 | |
| 109 | #endif // _WX_DISPLAY_IMPL_H_BASE_ |
| 110 | |