src/dfb/toplevel.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/dfb/toplevel.cpp
// Purpose:     Top level window, abstraction of wxFrame and wxDialog
// Author:      Vaclav Slavik
// Created:     2006-08-10
// RCS-ID:      $Id$
// Copyright:   (c) 2006 REA Elektronik GmbH
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#include "wx/toplevel.h"

#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/dynarray.h"
#endif // WX_PRECOMP

#include "wx/hashmap.h"
#include "wx/evtloop.h"
#include "wx/dfb/private.h"

#define TRACE_EVENTS _T("events")
#define TRACE_PAINT  _T("paint")

// ============================================================================
// globals
// ============================================================================

// mapping of DirectFB windows to wxTLWs:
WX_DECLARE_HASH_MAP(DFBWindowID, wxTopLevelWindowDFB*,
                    wxIntegerHash, wxIntegerEqual,
                    wxDfbWindowsMap);
static wxDfbWindowsMap gs_dfbWindowsMap;

// ============================================================================
// helpers
// ============================================================================

struct wxDfbPaintRequest
{
    wxDfbPaintRequest(const wxRect& rect) : m_rect(rect) {}
    wxDfbPaintRequest(const wxDfbPaintRequest& r) : m_rect(r.m_rect) {}

    wxRect m_rect;
};

WX_DEFINE_ARRAY_PTR(wxDfbPaintRequest*, wxDfbQueuedPaintRequestsList);

// Queue of paint requests
class wxDfbQueuedPaintRequests
{
public:
    ~wxDfbQueuedPaintRequests() { Clear(); }

    // Adds paint request to the queue
    void Add(const wxRect& rect)
        { m_queue.push_back(new wxDfbPaintRequest(rect)); }

    // Is the queue empty?
    bool IsEmpty() const { return m_queue.empty(); }

    // Empties the queue
    void Clear() { WX_CLEAR_ARRAY(m_queue); }

    // Gets requests in the queue
    const wxDfbQueuedPaintRequestsList& GetRequests() const { return m_queue; }

private:
    wxDfbQueuedPaintRequestsList m_queue;
};

// ============================================================================
// wxTopLevelWindowDFB
// ============================================================================

// ----------------------------------------------------------------------------
// creation & destruction
// ----------------------------------------------------------------------------

void wxTopLevelWindowDFB::Init()
{
    m_isShown = false;
    m_isMaximized = false;
    m_fsIsShowing = false;
    m_sizeSet = false;
    m_opacity = 255;
    m_toPaint = new wxDfbQueuedPaintRequests;
    m_isPainting = false;
}

bool wxTopLevelWindowDFB::Create(wxWindow *parent,
                                 wxWindowID id,
                                 const wxString& title,
                                 const wxPoint& posOrig,
                                 const wxSize& sizeOrig,
                                 long style,
                                 const wxString &name)
{
    m_tlw = this;

    // always create a frame of some reasonable, even if arbitrary, size (at
    // least for MSW compatibility)
    wxSize size(sizeOrig);
    if ( size.x == wxDefaultCoord || size.y == wxDefaultCoord )
    {
        wxSize sizeDefault = GetDefaultSize();
        if ( size.x == wxDefaultCoord )
            size.x = sizeDefault.x;
        if ( size.y == wxDefaultCoord )
            size.y = sizeDefault.y;
    }

    wxPoint pos(posOrig);
    if ( pos.x == wxDefaultCoord )
        pos.x = 0;
    if ( pos.y == wxDefaultCoord )
        pos.y = 0;

    // create DirectFB window:
    wxIDirectFBDisplayLayerPtr layer(wxIDirectFB::Get()->GetDisplayLayer());
    wxCHECK_MSG( layer, false, _T("no display layer") );

    DFBWindowDescription desc;
    desc.flags = (DFBWindowDescriptionFlags)
                   (DWDESC_CAPS |
                    DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_POSX | DWDESC_POSY);
    desc.caps = DWCAPS_DOUBLEBUFFER;
    desc.posx = pos.x;
    desc.posy = pos.y;
    desc.width = size.x;
    desc.height = size.y;
    m_dfbwin = layer->CreateWindow(&desc);
    if ( !layer )
        return false;

    // add the new TLW to DFBWindowID->wxTLW map:
    DFBWindowID winid;
    if ( !m_dfbwin->GetID(&winid) )
        return false;
    gs_dfbWindowsMap[winid] = this;

    // TLWs are created initially hidden:
    if ( !m_dfbwin->SetOpacity(wxALPHA_TRANSPARENT) )
        return false;

    if ( !wxWindow::Create(NULL, id, pos, size, style, name) )
        return false;

    SetParent(parent);
    if ( parent )
        parent->AddChild(this);

    wxTopLevelWindows.Append(this);
    m_title = title;

    if ( style & (wxSTAY_ON_TOP | wxPOPUP_WINDOW) )
    {
        m_dfbwin->SetStackingClass(DWSC_UPPER);
    }

    // direct events in this window to the global event buffer:
    m_dfbwin->AttachEventBuffer(wxEventLoop::GetDirectFBEventBuffer());

    return true;
}

wxTopLevelWindowDFB::~wxTopLevelWindowDFB()
{
    m_isBeingDeleted = true;

    wxTopLevelWindows.DeleteObject(this);

    if ( wxTheApp->GetTopWindow() == this )
        wxTheApp->SetTopWindow(NULL);

    if ( wxTopLevelWindows.empty() && wxTheApp->GetExitOnFrameDelete() )
    {
        wxTheApp->ExitMainLoop();
    }

    wxDELETE(m_toPaint);

    // remove the TLW from DFBWindowID->wxTLW map:
    DFBWindowID winid;
    if ( m_dfbwin->GetID(&winid) )
        gs_dfbWindowsMap.erase(winid);
}

// ----------------------------------------------------------------------------
// window size & position
// ----------------------------------------------------------------------------

void wxTopLevelWindowDFB::DoGetPosition(int *x, int *y) const
{
    m_dfbwin->GetPosition(x, y);
}

void wxTopLevelWindowDFB::DoGetSize(int *width, int *height) const
{
    m_dfbwin->GetSize(width, height);
}

void wxTopLevelWindowDFB::DoMoveWindow(int x, int y, int width, int height)
{
    wxPoint curpos = GetPosition();
    if ( curpos.x != x || curpos.y != y )
    {
        m_dfbwin->MoveTo(x, y);
    }

    wxSize cursize = GetSize();
    if ( cursize.x != width || cursize.y != height )
    {
        m_dfbwin->Resize(width, height);
        // we must repaint the window after it changed size:
        if ( IsShown() )
            DoRefreshWindow();
    }
}

// ----------------------------------------------------------------------------
// showing and hiding
// ----------------------------------------------------------------------------

#warning "FIXME: the rest of this file is almost same as for MGL, merge it"
bool wxTopLevelWindowDFB::ShowFullScreen(bool show, long style)
{
    if (show == m_fsIsShowing) return false; // return what?

    m_fsIsShowing = show;

    if (show)
    {
        m_fsSaveStyle = m_windowStyle;
        m_fsSaveFlag = style;
        GetPosition(&m_fsSaveFrame.x, &m_fsSaveFrame.y);
        GetSize(&m_fsSaveFrame.width, &m_fsSaveFrame.height);

        if ( style & wxFULLSCREEN_NOCAPTION )
            m_windowStyle &= ~wxCAPTION;
        if ( style & wxFULLSCREEN_NOBORDER )
            m_windowStyle = wxSIMPLE_BORDER;

        int x, y;
        wxDisplaySize(&x, &y);
        SetSize(0, 0, x, y);
    }
    else
    {
        m_windowStyle = m_fsSaveStyle;
        SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
                m_fsSaveFrame.width, m_fsSaveFrame.height);
    }

    return true;
}

bool wxTopLevelWindowDFB::Show(bool show)
{
    if ( !wxTopLevelWindowBase::Show(show) )
        return false;

    // hide/show the window by setting its opacity to 0/full:
    m_dfbwin->SetOpacity(show ? m_opacity : 0);

    // If this is the first time Show was called, send size event,
    // so that the frame can adjust itself (think auto layout or single child)
    if ( !m_sizeSet )
    {
        m_sizeSet = true;
        wxSizeEvent event(GetSize(), GetId());
        event.SetEventObject(this);
        GetEventHandler()->ProcessEvent(event);
    }

    // FIXME_DFB: do this at all?
    if ( show && AcceptsFocus() )
        SetFocus();
        // FIXME_DFB -- don't do this for popup windows?

    return true;
}

bool wxTopLevelWindowDFB::SetTransparent(wxByte alpha)
{
    if ( IsShown() )
    {
        if ( !m_dfbwin->SetOpacity(alpha) )
            return false;
    }

    m_opacity = alpha;
    return true;
}

// ----------------------------------------------------------------------------
// maximize, minimize etc.
// ----------------------------------------------------------------------------

void wxTopLevelWindowDFB::Maximize(bool maximize)
{
    int x, y, w, h;
    wxClientDisplayRect(&x, &y, &w, &h);

    if ( maximize && !m_isMaximized )
    {
        m_isMaximized = true;

        GetPosition(&m_savedFrame.x, &m_savedFrame.y);
        GetSize(&m_savedFrame.width, &m_savedFrame.height);

        SetSize(x, y, w, h);
    }
    else if ( !maximize && m_isMaximized )
    {
        m_isMaximized = false;
        SetSize(m_savedFrame.x, m_savedFrame.y,
                m_savedFrame.width, m_savedFrame.height);
    }
}

bool wxTopLevelWindowDFB::IsMaximized() const
{
    return m_isMaximized;
}

void wxTopLevelWindowDFB::Restore()
{
    if ( IsMaximized() )
    {
        Maximize(false);
    }
}

void wxTopLevelWindowDFB::Iconize(bool WXUNUSED(iconize))
{
    wxFAIL_MSG(wxT("Iconize not supported under wxDFB"));
}

bool wxTopLevelWindowDFB::IsIconized() const
{
    return false;
}


// ----------------------------------------------------------------------------
// surfaces and painting
// ----------------------------------------------------------------------------

wxIDirectFBSurfacePtr wxTopLevelWindowDFB::ObtainDfbSurface() const
{
    return m_dfbwin->GetSurface();
}

void wxTopLevelWindowDFB::HandleQueuedPaintRequests()
{
    if ( m_toPaint->IsEmpty() )
        return; // nothing to do

    if ( IsFrozen() || !IsShown() )
    {
        // nothing to do if the window is frozen or hidden; clear the queue
        // and return (note that it's OK to clear the queue even if the window
        // is frozen, because Thaw() calls Refresh()):
        m_toPaint->Clear();
        return;
    }

    const wxDfbQueuedPaintRequestsList& requests = m_toPaint->GetRequests();

    // process queued paint requests:
    wxRect winRect(wxPoint(0, 0), GetSize());
    wxRect paintedRect;

    // important note: all DCs created from now until m_isPainting is reset to
    // false will not update the front buffer as this flag indicates that we'll
    // blit the entire back buffer to front soon
    m_isPainting = true;

    size_t cnt = requests.size();
    wxLogTrace(TRACE_PAINT, _T("%p ('%s'): processing %i paint requests"),
               this, GetName().c_str(), cnt);

    for ( size_t i = 0; i < cnt; ++i )
    {
        const wxDfbPaintRequest& request = *requests[i];

        wxRect clipped(request.m_rect);
        clipped.Intersect(winRect);
        if ( clipped.IsEmpty() )
            continue; // nothing to refresh

        wxLogTrace(TRACE_PAINT,
                   _T("%p ('%s'): processing paint request [%i,%i,%i,%i]"),
                   this, GetName().c_str(),
                   clipped.x, clipped.y, clipped.GetRight(), clipped.GetBottom());

        PaintWindow(clipped);

        // remember rectangle covering all repainted areas:
        if ( paintedRect.IsEmpty() )
            paintedRect = clipped;
        else
            paintedRect.Union(clipped);
    }

    m_isPainting = false;

    m_toPaint->Clear();

    if ( paintedRect.IsEmpty() )
        return; // no painting occurred, no need to flip

    // Flip the surface to make the changes visible. Note that the rectangle we
    // flip is *superset* of the union of repainted rectangles (created as
    // "rectangles union" by wxRect::Union) and so some parts of the back
    // buffer that we didn't touch in this HandleQueuedPaintRequests call will
    // be copied to the front buffer as well. This is safe/correct thing to do
    // *only* because wx always use wxIDirectFBSurface::FlipToFront() and so
    // the back and front buffers contain the same data.
    //
    // Note that we do _not_ split m_toPaint into disjoint rectangles and
    // do FlipToFront() for each of them, because that could result in visible
    // updating of the screen; instead, we prefer to flip everything at once.

    DFBRegion r = {paintedRect.GetLeft(), paintedRect.GetTop(),
                   paintedRect.GetRight(), paintedRect.GetBottom()};
    DFBRegion *rptr = (winRect == paintedRect) ? NULL : &r;

    GetDfbSurface()->FlipToFront(rptr);

    wxLogTrace(TRACE_PAINT,
               _T("%p ('%s'): flipped surface: [%i,%i,%i,%i]"),
               this, GetName().c_str(),
               paintedRect.x, paintedRect.y,
               paintedRect.GetRight(), paintedRect.GetBottom());
}

void wxTopLevelWindowDFB::DoRefreshRect(const wxRect& rect)
{
    // don't overlap outside of the window (NB: 'rect' is in window coords):
    wxRect r(rect);
    r.Intersect(wxRect(GetSize()));
    if ( r.IsEmpty() )
        return;

    wxLogTrace(TRACE_PAINT,
               _T("%p ('%s'): [TLW] refresh rect [%i,%i,%i,%i]"),
               this, GetName().c_str(),
               rect.x, rect.y, rect.GetRight(), rect.GetBottom());

    // defer painting until idle time or until Update() is called:
    m_toPaint->Add(rect);
}

void wxTopLevelWindowDFB::Update()
{
    HandleQueuedPaintRequests();
}

// ---------------------------------------------------------------------------
// events handling
// ---------------------------------------------------------------------------

/* static */
void wxTopLevelWindowDFB::HandleDFBWindowEvent(const wxDFBWindowEvent& event_)
{
    const DFBWindowEvent& event = event_;

    if ( gs_dfbWindowsMap.find(event.window_id) == gs_dfbWindowsMap.end() )
    {
        wxLogTrace(TRACE_EVENTS,
                   _T("received event for unknown DirectFB window, ignoring"));
        return;
    }

    wxTopLevelWindowDFB *tlw = gs_dfbWindowsMap[event.window_id];
    wxWindow *recipient = NULL;
    void (wxWindow::*handlerFunc)(const wxDFBWindowEvent&) = NULL;

    switch ( event.type )
    {
        case DWET_KEYDOWN:
        case DWET_KEYUP:
        {
            recipient = wxWindow::FindFocus();
            handlerFunc = &wxWindowDFB::HandleKeyEvent;
            break;
        }

        case DWET_NONE:
        case DWET_ALL:
        {
            wxFAIL_MSG( _T("invalid event type") );
            break;
        }
    }

    if ( !recipient )
    {
        wxLogTrace(TRACE_EVENTS, _T("ignoring event: no recipient window"));
        return;
    }

    wxCHECK_RET( recipient && recipient->GetTLW() == tlw,
                 _T("event recipient not in TLW which received the event") );

    // process the event:
    (recipient->*handlerFunc)(event_);
}

// ---------------------------------------------------------------------------
// idle events processing
// ---------------------------------------------------------------------------

void wxTopLevelWindowDFB::OnInternalIdle()
{
    wxTopLevelWindowBase::OnInternalIdle();
    HandleQueuedPaintRequests();
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/dfb/toplevel.cpp
	3	// Purpose: Top level window, abstraction of wxFrame and wxDialog
	4	// Author: Vaclav Slavik
	5	// Created: 2006-08-10
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 2006 REA Elektronik GmbH
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	// For compilers that support precompilation, includes "wx.h".
	12	#include "wx/wxprec.h"
	13
	14	#include "wx/toplevel.h"
	15
	16	#ifndef WX_PRECOMP
	17	#include "wx/app.h"
	18	#include "wx/dynarray.h"
	19	#endif // WX_PRECOMP
	20
	21	#include "wx/hashmap.h"
	22	#include "wx/evtloop.h"
	23	#include "wx/dfb/private.h"
	24
	25	#define TRACE_EVENTS _T("events")
	26	#define TRACE_PAINT _T("paint")
	27
	28	// ============================================================================
	29	// globals
	30	// ============================================================================
	31
	32	// mapping of DirectFB windows to wxTLWs:
	33	WX_DECLARE_HASH_MAP(DFBWindowID, wxTopLevelWindowDFB*,
	34	wxIntegerHash, wxIntegerEqual,
	35	wxDfbWindowsMap);
	36	static wxDfbWindowsMap gs_dfbWindowsMap;
	37
	38	// ============================================================================
	39	// helpers
	40	// ============================================================================
	41
	42	struct wxDfbPaintRequest
	43	{
	44	wxDfbPaintRequest(const wxRect& rect) : m_rect(rect) {}
	45	wxDfbPaintRequest(const wxDfbPaintRequest& r) : m_rect(r.m_rect) {}
	46
	47	wxRect m_rect;
	48	};
	49
	50	WX_DEFINE_ARRAY_PTR(wxDfbPaintRequest*, wxDfbQueuedPaintRequestsList);
	51
	52	// Queue of paint requests
	53	class wxDfbQueuedPaintRequests
	54	{
	55	public:
	56	~wxDfbQueuedPaintRequests() { Clear(); }
	57
	58	// Adds paint request to the queue
	59	void Add(const wxRect& rect)
	60	{ m_queue.push_back(new wxDfbPaintRequest(rect)); }
	61
	62	// Is the queue empty?
	63	bool IsEmpty() const { return m_queue.empty(); }
	64
	65	// Empties the queue
	66	void Clear() { WX_CLEAR_ARRAY(m_queue); }
	67
	68	// Gets requests in the queue
	69	const wxDfbQueuedPaintRequestsList& GetRequests() const { return m_queue; }
	70
	71	private:
	72	wxDfbQueuedPaintRequestsList m_queue;
	73	};
	74
	75	// ============================================================================
	76	// wxTopLevelWindowDFB
	77	// ============================================================================
	78
	79	// ----------------------------------------------------------------------------
	80	// creation & destruction
	81	// ----------------------------------------------------------------------------
	82
	83	void wxTopLevelWindowDFB::Init()
	84	{
	85	m_isShown = false;
	86	m_isMaximized = false;
	87	m_fsIsShowing = false;
	88	m_sizeSet = false;
	89	m_opacity = 255;
	90	m_toPaint = new wxDfbQueuedPaintRequests;
	91	m_isPainting = false;
	92	}
	93
	94	bool wxTopLevelWindowDFB::Create(wxWindow *parent,
	95	wxWindowID id,
	96	const wxString& title,
	97	const wxPoint& posOrig,
	98	const wxSize& sizeOrig,
	99	long style,
	100	const wxString &name)
	101	{
	102	m_tlw = this;
	103
	104	// always create a frame of some reasonable, even if arbitrary, size (at
	105	// least for MSW compatibility)
	106	wxSize size(sizeOrig);
	107	if ( size.x == wxDefaultCoord \|\| size.y == wxDefaultCoord )
	108	{
	109	wxSize sizeDefault = GetDefaultSize();
	110	if ( size.x == wxDefaultCoord )
	111	size.x = sizeDefault.x;
	112	if ( size.y == wxDefaultCoord )
	113	size.y = sizeDefault.y;
	114	}
	115
	116	wxPoint pos(posOrig);
	117	if ( pos.x == wxDefaultCoord )
	118	pos.x = 0;
	119	if ( pos.y == wxDefaultCoord )
	120	pos.y = 0;
	121
	122	// create DirectFB window:
	123	wxIDirectFBDisplayLayerPtr layer(wxIDirectFB::Get()->GetDisplayLayer());
	124	wxCHECK_MSG( layer, false, _T("no display layer") );
	125
	126	DFBWindowDescription desc;
	127	desc.flags = (DFBWindowDescriptionFlags)
	128	(DWDESC_CAPS \|
	129	DWDESC_WIDTH \| DWDESC_HEIGHT \| DWDESC_POSX \| DWDESC_POSY);
	130	desc.caps = DWCAPS_DOUBLEBUFFER;
	131	desc.posx = pos.x;
	132	desc.posy = pos.y;
	133	desc.width = size.x;
	134	desc.height = size.y;
	135	m_dfbwin = layer->CreateWindow(&desc);
	136	if ( !layer )
	137	return false;
	138
	139	// add the new TLW to DFBWindowID->wxTLW map:
	140	DFBWindowID winid;
	141	if ( !m_dfbwin->GetID(&winid) )
	142	return false;
	143	gs_dfbWindowsMap[winid] = this;
	144
	145	// TLWs are created initially hidden:
	146	if ( !m_dfbwin->SetOpacity(wxALPHA_TRANSPARENT) )
	147	return false;
	148
	149	if ( !wxWindow::Create(NULL, id, pos, size, style, name) )
	150	return false;
	151
	152	SetParent(parent);
	153	if ( parent )
	154	parent->AddChild(this);
	155
	156	wxTopLevelWindows.Append(this);
	157	m_title = title;
	158
	159	if ( style & (wxSTAY_ON_TOP \| wxPOPUP_WINDOW) )
	160	{
	161	m_dfbwin->SetStackingClass(DWSC_UPPER);
	162	}
	163
	164	// direct events in this window to the global event buffer:
	165	m_dfbwin->AttachEventBuffer(wxEventLoop::GetDirectFBEventBuffer());
	166
	167	return true;
	168	}
	169
	170	wxTopLevelWindowDFB::~wxTopLevelWindowDFB()
	171	{
	172	m_isBeingDeleted = true;
	173
	174	wxTopLevelWindows.DeleteObject(this);
	175
	176	if ( wxTheApp->GetTopWindow() == this )
	177	wxTheApp->SetTopWindow(NULL);
	178
	179	if ( wxTopLevelWindows.empty() && wxTheApp->GetExitOnFrameDelete() )
	180	{
	181	wxTheApp->ExitMainLoop();
	182	}
	183
	184	wxDELETE(m_toPaint);
	185
	186	// remove the TLW from DFBWindowID->wxTLW map:
	187	DFBWindowID winid;
	188	if ( m_dfbwin->GetID(&winid) )
	189	gs_dfbWindowsMap.erase(winid);
	190	}
	191
	192	// ----------------------------------------------------------------------------
	193	// window size & position
	194	// ----------------------------------------------------------------------------
	195
	196	void wxTopLevelWindowDFB::DoGetPosition(int x, int y) const
	197	{
	198	m_dfbwin->GetPosition(x, y);
	199	}
	200
	201	void wxTopLevelWindowDFB::DoGetSize(int width, int height) const
	202	{
	203	m_dfbwin->GetSize(width, height);
	204	}
	205
	206	void wxTopLevelWindowDFB::DoMoveWindow(int x, int y, int width, int height)
	207	{
	208	wxPoint curpos = GetPosition();
	209	if ( curpos.x != x \|\| curpos.y != y )
	210	{
	211	m_dfbwin->MoveTo(x, y);
	212	}
	213
	214	wxSize cursize = GetSize();
	215	if ( cursize.x != width \|\| cursize.y != height )
	216	{
	217	m_dfbwin->Resize(width, height);
	218	// we must repaint the window after it changed size:
	219	if ( IsShown() )
	220	DoRefreshWindow();
	221	}
	222	}
	223
	224	// ----------------------------------------------------------------------------
	225	// showing and hiding
	226	// ----------------------------------------------------------------------------
	227
	228	#warning "FIXME: the rest of this file is almost same as for MGL, merge it"
	229	bool wxTopLevelWindowDFB::ShowFullScreen(bool show, long style)
	230	{
	231	if (show == m_fsIsShowing) return false; // return what?
	232
	233	m_fsIsShowing = show;
	234
	235	if (show)
	236	{
	237	m_fsSaveStyle = m_windowStyle;
	238	m_fsSaveFlag = style;
	239	GetPosition(&m_fsSaveFrame.x, &m_fsSaveFrame.y);
	240	GetSize(&m_fsSaveFrame.width, &m_fsSaveFrame.height);
	241
	242	if ( style & wxFULLSCREEN_NOCAPTION )
	243	m_windowStyle &= ~wxCAPTION;
	244	if ( style & wxFULLSCREEN_NOBORDER )
	245	m_windowStyle = wxSIMPLE_BORDER;
	246
	247	int x, y;
	248	wxDisplaySize(&x, &y);
	249	SetSize(0, 0, x, y);
	250	}
	251	else
	252	{
	253	m_windowStyle = m_fsSaveStyle;
	254	SetSize(m_fsSaveFrame.x, m_fsSaveFrame.y,
	255	m_fsSaveFrame.width, m_fsSaveFrame.height);
	256	}
	257
	258	return true;
	259	}
	260
	261	bool wxTopLevelWindowDFB::Show(bool show)
	262	{
	263	if ( !wxTopLevelWindowBase::Show(show) )
	264	return false;
	265
	266	// hide/show the window by setting its opacity to 0/full:
	267	m_dfbwin->SetOpacity(show ? m_opacity : 0);
	268
	269	// If this is the first time Show was called, send size event,
	270	// so that the frame can adjust itself (think auto layout or single child)
	271	if ( !m_sizeSet )
	272	{
	273	m_sizeSet = true;
	274	wxSizeEvent event(GetSize(), GetId());
	275	event.SetEventObject(this);
	276	GetEventHandler()->ProcessEvent(event);
	277	}
	278
	279	// FIXME_DFB: do this at all?
	280	if ( show && AcceptsFocus() )
	281	SetFocus();
	282	// FIXME_DFB -- don't do this for popup windows?
	283
	284	return true;
	285	}
	286
	287	bool wxTopLevelWindowDFB::SetTransparent(wxByte alpha)
	288	{
	289	if ( IsShown() )
	290	{
	291	if ( !m_dfbwin->SetOpacity(alpha) )
	292	return false;
	293	}
	294
	295	m_opacity = alpha;
	296	return true;
	297	}
	298
	299	// ----------------------------------------------------------------------------
	300	// maximize, minimize etc.
	301	// ----------------------------------------------------------------------------
	302
	303	void wxTopLevelWindowDFB::Maximize(bool maximize)
	304	{
	305	int x, y, w, h;
	306	wxClientDisplayRect(&x, &y, &w, &h);
	307
	308	if ( maximize && !m_isMaximized )
	309	{
	310	m_isMaximized = true;
	311
	312	GetPosition(&m_savedFrame.x, &m_savedFrame.y);
	313	GetSize(&m_savedFrame.width, &m_savedFrame.height);
	314
	315	SetSize(x, y, w, h);
	316	}
	317	else if ( !maximize && m_isMaximized )
	318	{
	319	m_isMaximized = false;
	320	SetSize(m_savedFrame.x, m_savedFrame.y,
	321	m_savedFrame.width, m_savedFrame.height);
	322	}
	323	}
	324
	325	bool wxTopLevelWindowDFB::IsMaximized() const
	326	{
	327	return m_isMaximized;
	328	}
	329
	330	void wxTopLevelWindowDFB::Restore()
	331	{
	332	if ( IsMaximized() )
	333	{
	334	Maximize(false);
	335	}
	336	}
	337
	338	void wxTopLevelWindowDFB::Iconize(bool WXUNUSED(iconize))
	339	{
	340	wxFAIL_MSG(wxT("Iconize not supported under wxDFB"));
	341	}
	342
	343	bool wxTopLevelWindowDFB::IsIconized() const
	344	{
	345	return false;
	346	}
	347
	348
	349	// ----------------------------------------------------------------------------
	350	// surfaces and painting
	351	// ----------------------------------------------------------------------------
	352
	353	wxIDirectFBSurfacePtr wxTopLevelWindowDFB::ObtainDfbSurface() const
	354	{
	355	return m_dfbwin->GetSurface();
	356	}
	357
	358	void wxTopLevelWindowDFB::HandleQueuedPaintRequests()
	359	{
	360	if ( m_toPaint->IsEmpty() )
	361	return; // nothing to do
	362
	363	if ( IsFrozen() \|\| !IsShown() )
	364	{
	365	// nothing to do if the window is frozen or hidden; clear the queue
	366	// and return (note that it's OK to clear the queue even if the window
	367	// is frozen, because Thaw() calls Refresh()):
	368	m_toPaint->Clear();
	369	return;
	370	}
	371
	372	const wxDfbQueuedPaintRequestsList& requests = m_toPaint->GetRequests();
	373
	374	// process queued paint requests:
	375	wxRect winRect(wxPoint(0, 0), GetSize());
	376	wxRect paintedRect;
	377
	378	// important note: all DCs created from now until m_isPainting is reset to
	379	// false will not update the front buffer as this flag indicates that we'll
	380	// blit the entire back buffer to front soon
	381	m_isPainting = true;
	382
	383	size_t cnt = requests.size();
	384	wxLogTrace(TRACE_PAINT, _T("%p ('%s'): processing %i paint requests"),
	385	this, GetName().c_str(), cnt);
	386
	387	for ( size_t i = 0; i < cnt; ++i )
	388	{
	389	const wxDfbPaintRequest& request = *requests[i];
	390
	391	wxRect clipped(request.m_rect);
	392	clipped.Intersect(winRect);
	393	if ( clipped.IsEmpty() )
	394	continue; // nothing to refresh
	395
	396	wxLogTrace(TRACE_PAINT,
	397	_T("%p ('%s'): processing paint request [%i,%i,%i,%i]"),
	398	this, GetName().c_str(),
	399	clipped.x, clipped.y, clipped.GetRight(), clipped.GetBottom());
	400
	401	PaintWindow(clipped);
	402
	403	// remember rectangle covering all repainted areas:
	404	if ( paintedRect.IsEmpty() )
	405	paintedRect = clipped;
	406	else
	407	paintedRect.Union(clipped);
	408	}
	409
	410	m_isPainting = false;
	411
	412	m_toPaint->Clear();
	413
	414	if ( paintedRect.IsEmpty() )
	415	return; // no painting occurred, no need to flip
	416
	417	// Flip the surface to make the changes visible. Note that the rectangle we
	418	// flip is superset of the union of repainted rectangles (created as
	419	// "rectangles union" by wxRect::Union) and so some parts of the back
	420	// buffer that we didn't touch in this HandleQueuedPaintRequests call will
	421	// be copied to the front buffer as well. This is safe/correct thing to do
	422	// only because wx always use wxIDirectFBSurface::FlipToFront() and so
	423	// the back and front buffers contain the same data.
	424	//
	425	// Note that we do _not_ split m_toPaint into disjoint rectangles and
	426	// do FlipToFront() for each of them, because that could result in visible
	427	// updating of the screen; instead, we prefer to flip everything at once.
	428
	429	DFBRegion r = {paintedRect.GetLeft(), paintedRect.GetTop(),
	430	paintedRect.GetRight(), paintedRect.GetBottom()};
	431	DFBRegion *rptr = (winRect == paintedRect) ? NULL : &r;
	432
	433	GetDfbSurface()->FlipToFront(rptr);
	434
	435	wxLogTrace(TRACE_PAINT,
	436	_T("%p ('%s'): flipped surface: [%i,%i,%i,%i]"),
	437	this, GetName().c_str(),
	438	paintedRect.x, paintedRect.y,
	439	paintedRect.GetRight(), paintedRect.GetBottom());
	440	}
	441
	442	void wxTopLevelWindowDFB::DoRefreshRect(const wxRect& rect)
	443	{
	444	// don't overlap outside of the window (NB: 'rect' is in window coords):
	445	wxRect r(rect);
	446	r.Intersect(wxRect(GetSize()));
	447	if ( r.IsEmpty() )
	448	return;
	449
	450	wxLogTrace(TRACE_PAINT,
	451	_T("%p ('%s'): [TLW] refresh rect [%i,%i,%i,%i]"),
	452	this, GetName().c_str(),
	453	rect.x, rect.y, rect.GetRight(), rect.GetBottom());
	454
	455	// defer painting until idle time or until Update() is called:
	456	m_toPaint->Add(rect);
	457	}
	458
	459	void wxTopLevelWindowDFB::Update()
	460	{
	461	HandleQueuedPaintRequests();
	462	}
	463
	464	// ---------------------------------------------------------------------------
	465	// events handling
	466	// ---------------------------------------------------------------------------
	467
	468	/* static */
	469	void wxTopLevelWindowDFB::HandleDFBWindowEvent(const wxDFBWindowEvent& event_)
	470	{
	471	const DFBWindowEvent& event = event_;
	472
	473	if ( gs_dfbWindowsMap.find(event.window_id) == gs_dfbWindowsMap.end() )
	474	{
	475	wxLogTrace(TRACE_EVENTS,
	476	_T("received event for unknown DirectFB window, ignoring"));
	477	return;
	478	}
	479
	480	wxTopLevelWindowDFB *tlw = gs_dfbWindowsMap[event.window_id];
	481	wxWindow *recipient = NULL;
	482	void (wxWindow::*handlerFunc)(const wxDFBWindowEvent&) = NULL;
	483
	484	switch ( event.type )
	485	{
	486	case DWET_KEYDOWN:
	487	case DWET_KEYUP:
	488	{
	489	recipient = wxWindow::FindFocus();
	490	handlerFunc = &wxWindowDFB::HandleKeyEvent;
	491	break;
	492	}
	493
	494	case DWET_NONE:
	495	case DWET_ALL:
	496	{
	497	wxFAIL_MSG( _T("invalid event type") );
	498	break;
	499	}
	500	}
	501
	502	if ( !recipient )
	503	{
	504	wxLogTrace(TRACE_EVENTS, _T("ignoring event: no recipient window"));
	505	return;
	506	}
	507
	508	wxCHECK_RET( recipient && recipient->GetTLW() == tlw,
	509	_T("event recipient not in TLW which received the event") );
	510
	511	// process the event:
	512	(recipient->*handlerFunc)(event_);
	513	}
	514
	515	// ---------------------------------------------------------------------------
	516	// idle events processing
	517	// ---------------------------------------------------------------------------
	518
	519	void wxTopLevelWindowDFB::OnInternalIdle()
	520	{
	521	wxTopLevelWindowBase::OnInternalIdle();
	522	HandleQueuedPaintRequests();
	523	}