// 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
/////////////////////////////////////////////////////////////////////////////
#include "wx/app.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
-// ============================================================================
-
-// Queue of paint requests
-class wxDfbQueuedPaintRequests
-{
-public:
- ~wxDfbQueuedPaintRequests() { Clear(); }
-
- // Adds paint request to the queue
- void Add(const wxRect& rect)
- {
- // We use a simple implementation here for now: all refresh requests
- // are merged together into single rectangle that is superset of
- // all the requested rectangles. This wastes some blitting and painting
- // time, but OTOH, EVT_PAINT handler is called only once per window.
- m_invalidated.Union(rect);
- }
-
- // Is the queue empty?
- bool IsEmpty() const { return m_invalidated.IsEmpty(); }
-
- // Empties the queue
- void Clear() { m_invalidated = wxRect(); }
-
- // Gets the next request in the queue, returns true if there was one,
- // false if the queue was empty
- bool GetNext(wxRect& rect)
- {
- if ( m_invalidated.IsEmpty() )
- return false;
-
- rect = m_invalidated;
- Clear(); // there's only one item in the queue
- return true;
- }
-
-private:
- // currently invalidated region
- wxRect m_invalidated;
-};
+#define TRACE_EVENTS "events"
// ============================================================================
// wxTopLevelWindowDFB
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,
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 ( 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 ( !m_dfbwin )
- return false;
-
- // add the new TLW to DFBWindowID->wxTLW map:
- DFBWindowID winid;
- if ( !m_dfbwin->GetID(&winid) )
+ if ( !wxNonOwnedWindow::Create(parent, id, pos, size, style, name) )
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);
-
- if ( !m_dfbwin )
- return;
-
- // remove the TLW from DFBWindowID->wxTLW map:
- DFBWindowID winid;
- if ( m_dfbwin->GetID(&winid) )
- gs_dfbWindowsMap.erase(winid);
-
- m_dfbwin->Destroy();
- m_dfbwin.Reset();
-}
-
-// ----------------------------------------------------------------------------
-// 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 )
- {
- // changing window's size changes its surface:
- InvalidateDfbSurface();
-
- 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?
+ if ( show == m_fsIsShowing )
+ return true;
m_fsIsShowing = show;
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);
- }
-
- if ( show )
- {
- wxWindow *focused = wxWindow::FindFocus();
- if ( focused && focused->GetTLW() == this )
- {
- SetDfbFocus();
- }
- else if ( AcceptsFocus() )
- {
- // FIXME: we should probably always call SetDfbFocus instead
- // and call SetFocus() from wxActivateEvent/DWET_GOTFOCUS
- // handler
- SetFocus();
- }
- }
-
- return true;
-}
-
bool wxTopLevelWindowDFB::SetTransparent(wxByte alpha)
{
if ( IsShown() )
return false;
}
-
// ----------------------------------------------------------------------------
-// surfaces and painting
+// focus handling
// ----------------------------------------------------------------------------
-wxIDirectFBSurfacePtr wxTopLevelWindowDFB::ObtainDfbSurface() const
+void wxTopLevelWindowDFB::HandleFocusEvent(const wxDFBWindowEvent& event_)
{
- 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 DFBWindowEvent& dfbevent = event_;
+ const bool activate = (dfbevent.type == DWET_GOTFOCUS);
- // process queued paint requests:
- wxRect winRect(wxPoint(0, 0), GetSize());
- wxRect paintedRect;
+ wxLogTrace(TRACE_EVENTS,
+ "toplevel window %p ('%s') %s focus",
+ this, GetName(),
+ activate ? "got" : "lost");
- // 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;
+ wxActivateEvent event(wxEVT_ACTIVATE, activate, GetId());
+ event.SetEventObject(this);
+ HandleWindowEvent(event);
-#ifdef __WXDEBUG__
- int requestsCount = 0;
-#endif
-
- wxRect request;
- while ( m_toPaint->GetNext(request) )
+ // if a frame that doesn't have wx focus inside it just got focus, we
+ // need to set focus to it (or its child):
+ if ( activate )
{
-#ifdef __WXDEBUG__
- requestsCount++;
-#endif
- wxRect clipped(request);
- 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'): processed %i paint requests, flipped surface: [%i,%i,%i,%i]"),
- this, GetName().c_str(),
- requestsCount,
- 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
-// ---------------------------------------------------------------------------
-
-void wxTopLevelWindowDFB::SetDfbFocus()
-{
- wxCHECK_RET( IsShown(), _T("cannot set focus to hidden window") );
- wxASSERT_MSG( FindFocus() && FindFocus()->GetTLW() == this,
- _T("setting DirectFB focus to unexpected window") );
-
- GetDirectFBWindow()->RequestFocus();
-}
-
-/* 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:
+ wxWindow *focused = wxWindow::FindFocus();
+ if ( !focused || focused->GetTLW() != this )
{
- wxFAIL_MSG( _T("invalid event type") );
- break;
+ wxLogTrace(TRACE_EVENTS,
+ "setting wx focus to toplevel window %p ('%s')",
+ this, GetName());
+
+ if ( CanAcceptFocus() )
+ SetFocus();
+ else
+ wxLogTrace(TRACE_EVENTS, "...which doesn't accept it");
}
-
- default:
- // we're not interested in them here
- 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();
}
projects / wxWidgets.git / blobdiff