--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// 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, bool eraseBackground)
+ : m_rect(rect), m_eraseBackground(eraseBackground) {}
+ wxDfbPaintRequest(const wxDfbPaintRequest& r)
+ : m_rect(r.m_rect), m_eraseBackground(r.m_eraseBackground) {}
+
+ wxRect m_rect;
+ bool m_eraseBackground;
+};
+
+WX_DEFINE_ARRAY_PTR(wxDfbPaintRequest*, wxDfbQueuedPaintRequests);
+
+// ============================================================================
+// 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;
+}
+
+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:
+ IDirectFBDisplayLayerPtr layer = wxDfbGetDisplayLayer();
+ 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;
+ if ( !DFB_CALL( layer->CreateWindow(layer, &desc, &m_dfbwin) ) )
+ return false;
+
+ // add the new TLW to DFBWindowID->wxTLW map:
+ DFBWindowID winid;
+ if ( !DFB_CALL( m_dfbwin->GetID(m_dfbwin, &winid) ) )
+ return false;
+ gs_dfbWindowsMap[winid] = this;
+
+ // TLWs are created initially hidden:
+ if ( !DFB_CALL( m_dfbwin->SetOpacity(m_dfbwin, 0) ) )
+ return false;
+
+ wxWindow::Create(NULL, id, pos, size, style, name);
+
+ SetParent(parent);
+ if ( parent )
+ parent->AddChild(this);
+
+ wxTopLevelWindows.Append(this);
+ m_title = title;
+
+ if ( style & (wxSTAY_ON_TOP | wxPOPUP_WINDOW) )
+ {
+ DFB_CALL( m_dfbwin->SetStackingClass(m_dfbwin, DWSC_UPPER) );
+ }
+
+ // direct events in this window to the global event buffer:
+ DFB_CALL( m_dfbwin->AttachEventBuffer(
+ m_dfbwin, 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();
+ }
+
+ WX_CLEAR_ARRAY(*m_toPaint);
+ wxDELETE(m_toPaint);
+
+ // remove the TLW from DFBWindowID->wxTLW map:
+ DFBWindowID winid;
+ if ( DFB_CALL( m_dfbwin->GetID(m_dfbwin, &winid) ) )
+ gs_dfbWindowsMap.erase(winid);
+}
+
+// ----------------------------------------------------------------------------
+// window size & position
+// ----------------------------------------------------------------------------
+
+void wxTopLevelWindowDFB::DoGetPosition(int *x, int *y) const
+{
+ DFB_CALL( m_dfbwin->GetPosition(m_dfbwin, x, y) );
+}
+
+void wxTopLevelWindowDFB::DoGetSize(int *width, int *height) const
+{
+ DFB_CALL( m_dfbwin->GetSize(m_dfbwin, width, height) );
+}
+
+void wxTopLevelWindowDFB::DoMoveWindow(int x, int y, int width, int height)
+{
+ wxPoint curpos = GetPosition();
+ if ( curpos.x != x || curpos.y != y )
+ {
+ DFB_CALL( m_dfbwin->MoveTo(m_dfbwin, x, y) );
+ }
+
+ wxSize cursize = GetSize();
+ if ( cursize.x != width || cursize.y != height )
+ {
+ DFB_CALL( m_dfbwin->Resize(m_dfbwin, width, height) );
+ // we must repaint the window after it changed size:
+ Refresh();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// 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:
+ DFB_CALL( m_dfbwin->SetOpacity(m_dfbwin, 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 ( !DFB_CALL( m_dfbwin->SetOpacity(m_dfbwin, 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
+// ----------------------------------------------------------------------------
+
+IDirectFBSurfacePtr wxTopLevelWindowDFB::ObtainDfbSurface() const
+{
+ IDirectFBSurfacePtr surface;
+ DFB_CALL( m_dfbwin->GetSurface(m_dfbwin, &surface) );
+ return surface;
+}
+
+void wxTopLevelWindowDFB::HandleQueuedPaintRequests()
+{
+ wxDfbQueuedPaintRequests& toPaint = *m_toPaint;
+ if ( toPaint.empty() )
+ return; // nothing to do
+
+ // process queued paint requests:
+ wxRect winRect(wxPoint(0, 0), GetSize());
+ wxRect paintedRect;
+
+ size_t cnt = toPaint.size();
+ for ( size_t i = 0; i < cnt; ++i )
+ {
+ const wxDfbPaintRequest& request = *toPaint[i];
+
+ wxRect clipped(request.m_rect);
+
+ wxLogTrace(TRACE_PAINT,
+ _T("%p ('%s'): processing paint request [x=%i,y=%i,w=%i,h=%i]"),
+ this, GetName().c_str(),
+ clipped.x, clipped.y, clipped.width, clipped.height);
+
+ clipped.Intersect(winRect);
+ if ( clipped.IsEmpty() )
+ continue; // nothing to refresh
+
+ PaintWindow(clipped, request.m_eraseBackground);
+
+ // remember rectangle covering all repainted areas:
+ if ( paintedRect.IsEmpty() )
+ paintedRect = clipped;
+ else
+ paintedRect.Union(clipped);
+ }
+
+ WX_CLEAR_ARRAY(toPaint);
+
+ if ( paintedRect.IsEmpty() )
+ return; // no painting occurred, no need to flip
+
+ // flip the surface to make the changes visible:
+ DFBRegion r = {paintedRect.GetLeft(), paintedRect.GetTop(),
+ paintedRect.GetRight(), paintedRect.GetBottom()};
+ DFBRegion *rptr = (winRect == paintedRect) ? NULL : &r;
+
+ IDirectFBSurfacePtr surface(GetDfbSurface());
+ DFB_CALL( surface->Flip(surface, rptr, DSFLIP_NONE) );
+}
+
+void wxTopLevelWindowDFB::DoRefreshRect(const wxRect& rect, bool eraseBack)
+{
+ // defer paiting until idle time or until Update() is called:
+ m_toPaint->push_back(new wxDfbPaintRequest(rect, eraseBack));
+}
+
+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();
+}