| | 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 | |
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