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/////////////////////////////////////////////////////////////////////////////// |
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// Name: src/common/dpycmn.cpp |
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// Purpose: wxDisplay and wxDisplayImplSingle implementation |
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// Author: Vadim Zeitlin |
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// Modified by: |
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// Created: 01.03.03 |
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// RCS-ID: $Id: dpycmn.cpp 41548 2006-10-02 05:38:05Z PC $ |
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// Copyright: (c) 2003-2006 Vadim Zeitlin <vadim@wxwindows.org> |
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// License: wxWindows licence |
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/////////////////////////////////////////////////////////////////////////////// |
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// ============================================================================ |
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// declarations |
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// ============================================================================ |
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// ---------------------------------------------------------------------------- |
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// headers |
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// ---------------------------------------------------------------------------- |
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// For compilers that support precompilation, includes "wx.h". |
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#include "wx/wxprec.h" |
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#ifdef __BORLANDC__ |
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#pragma hdrstop |
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#endif |
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#ifndef WX_PRECOMP |
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#include "wx/gdicmn.h" |
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#include "wx/window.h" |
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#include "wx/module.h" |
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#endif //WX_PRECOMP |
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#include "wx/display.h" |
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#include "wx/display_impl.h" |
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#if wxUSE_DISPLAY |
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#include "wx/arrimpl.cpp" |
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WX_DEFINE_OBJARRAY(wxArrayVideoModes) |
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const wxVideoMode wxDefaultVideoMode; |
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#endif // wxUSE_DISPLAY |
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// ---------------------------------------------------------------------------- |
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// globals |
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// ---------------------------------------------------------------------------- |
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|
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// the factory object used by wxDisplay |
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// |
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// created on demand and destroyed by wxDisplayModule |
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static wxDisplayFactory *gs_factory = NULL; |
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// ---------------------------------------------------------------------------- |
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// wxDisplayImplSingle: trivial implementation working for main display only |
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// ---------------------------------------------------------------------------- |
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class WXDLLEXPORT wxDisplayImplSingle : public wxDisplayImpl |
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{ |
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public: |
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wxDisplayImplSingle() : wxDisplayImpl(0) { } |
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virtual wxRect GetGeometry() const |
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{ |
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wxRect r; |
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wxDisplaySize(&r.width, &r.height); |
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return r; |
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} |
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virtual wxRect GetClientArea() const { return wxGetClientDisplayRect(); } |
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virtual wxString GetName() const { return wxString(); } |
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#if wxUSE_DISPLAY |
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// no video modes support for us, provide just the stubs |
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virtual wxArrayVideoModes GetModes(const wxVideoMode& WXUNUSED(mode)) const |
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{ |
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return wxArrayVideoModes(); |
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} |
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|
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virtual wxVideoMode GetCurrentMode() const { return wxVideoMode(); } |
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virtual bool ChangeMode(const wxVideoMode& WXUNUSED(mode)) { return false; } |
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#endif // wxUSE_DISPLAY |
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DECLARE_NO_COPY_CLASS(wxDisplayImplSingle) |
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}; |
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// ---------------------------------------------------------------------------- |
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// wxDisplayModule is used to cleanup gs_factory |
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// ---------------------------------------------------------------------------- |
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class wxDisplayModule : public wxModule |
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{ |
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public: |
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virtual bool OnInit() { return true; } |
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virtual void OnExit() |
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{ |
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if ( gs_factory ) |
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{ |
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delete gs_factory; |
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gs_factory = NULL; |
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} |
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} |
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|
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DECLARE_DYNAMIC_CLASS(wxDisplayModule) |
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}; |
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IMPLEMENT_DYNAMIC_CLASS(wxDisplayModule, wxModule) |
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// ============================================================================ |
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// wxDisplay implementation |
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// ============================================================================ |
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// ---------------------------------------------------------------------------- |
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// ctor/dtor |
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// ---------------------------------------------------------------------------- |
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|
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wxDisplay::wxDisplay(unsigned n) |
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{ |
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wxASSERT_MSG( n < GetCount(), |
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wxT("An invalid index was passed to wxDisplay") ); |
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|
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m_impl = Factory().CreateDisplay(n); |
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} |
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wxDisplay::~wxDisplay() |
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{ |
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delete m_impl; |
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} |
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// ---------------------------------------------------------------------------- |
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// static functions forwarded to wxDisplayFactory |
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// ---------------------------------------------------------------------------- |
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/* static */ unsigned wxDisplay::GetCount() |
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{ |
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return Factory().GetCount(); |
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} |
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/* static */ int wxDisplay::GetFromPoint(const wxPoint& pt) |
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{ |
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return Factory().GetFromPoint(pt); |
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} |
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/* static */ int wxDisplay::GetFromWindow(wxWindow *window) |
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{ |
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wxCHECK_MSG( window, wxNOT_FOUND, _T("invalid window") ); |
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return Factory().GetFromWindow(window); |
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} |
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// ---------------------------------------------------------------------------- |
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// functions forwarded to wxDisplayImpl |
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// ---------------------------------------------------------------------------- |
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wxRect wxDisplay::GetGeometry() const |
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{ |
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wxCHECK_MSG( IsOk(), wxRect(), _T("invalid wxDisplay object") ); |
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return m_impl->GetGeometry(); |
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} |
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wxRect wxDisplay::GetClientArea() const |
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{ |
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wxCHECK_MSG( IsOk(), wxRect(), _T("invalid wxDisplay object") ); |
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return m_impl->GetClientArea(); |
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} |
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wxString wxDisplay::GetName() const |
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{ |
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wxCHECK_MSG( IsOk(), wxString(), _T("invalid wxDisplay object") ); |
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return m_impl->GetName(); |
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} |
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bool wxDisplay::IsPrimary() const |
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{ |
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return m_impl && m_impl->GetIndex() == 0; |
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} |
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#if wxUSE_DISPLAY |
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wxArrayVideoModes wxDisplay::GetModes(const wxVideoMode& mode) const |
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{ |
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wxCHECK_MSG( IsOk(), wxArrayVideoModes(), _T("invalid wxDisplay object") ); |
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return m_impl->GetModes(mode); |
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} |
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wxVideoMode wxDisplay::GetCurrentMode() const |
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{ |
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wxCHECK_MSG( IsOk(), wxVideoMode(), _T("invalid wxDisplay object") ); |
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return m_impl->GetCurrentMode(); |
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} |
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bool wxDisplay::ChangeMode(const wxVideoMode& mode) |
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{ |
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wxCHECK_MSG( IsOk(), false, _T("invalid wxDisplay object") ); |
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return m_impl->ChangeMode(mode); |
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} |
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#endif // wxUSE_DIRECTDRAW |
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// ---------------------------------------------------------------------------- |
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// static functions implementation |
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// ---------------------------------------------------------------------------- |
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// if wxUSE_DISPLAY == 1 this is implemented in port-specific code |
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#if !wxUSE_DISPLAY |
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/* static */ wxDisplayFactory *wxDisplay::CreateFactory() |
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{ |
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return new wxDisplayFactorySingle; |
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} |
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#endif // !wxUSE_DISPLAY |
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/* static */ wxDisplayFactory& wxDisplay::Factory() |
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{ |
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if ( !gs_factory ) |
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{ |
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gs_factory = CreateFactory(); |
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} |
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return *gs_factory; |
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} |
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// ============================================================================ |
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// wxDisplayFactory implementation |
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// ============================================================================ |
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|
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int wxDisplayFactory::GetFromWindow(wxWindow *window) |
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{ |
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// consider that the window belongs to the display containing its centre |
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const wxRect r(window->GetRect()); |
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return GetFromPoint(wxPoint(r.x + r.width/2, r.y + r.height/2)); |
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} |
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// ============================================================================ |
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// wxDisplayFactorySingle implementation |
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// ============================================================================ |
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|
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/* static */ |
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wxDisplayImpl *wxDisplayFactorySingle::CreateDisplay(unsigned n) |
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{ |
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// we recognize the main display only |
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return n != 0 ? NULL : new wxDisplayImplSingle; |
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} |
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int wxDisplayFactorySingle::GetFromPoint(const wxPoint& pt) |
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{ |
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if ( pt.x >= 0 && pt.y >= 0 ) |
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{ |
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int w, h; |
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wxDisplaySize(&w, &h); |
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if ( pt.x < w && pt.y < h ) |
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return 0; |
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} |
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// the point is outside of the screen |
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return wxNOT_FOUND; |
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} |
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