--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: No names yet.
+// Purpose: Contrib. demo
+// Author: Aleksandras Gluchovas
+// Modified by:
+// Created: 19/10/98
+// RCS-ID: $Id$
+// Copyright: (c) Aleksandras Gluchovas
+// Licence: wxWindows license
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "updatesmgr.h"
+// #pragma interface
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+#include "wx/wx.h"
+#endif
+
+#include "gcupdatesmgr.h"
+
+// helper function
+
+static inline bool rect_hits_rect( const wxRect& r1, const wxRect& r2 )
+{
+ if ( ( r2.x >= r1.x && r2.x <= r1.x + r1.width ) ||
+ ( r1.x >= r2.x && r1.x <= r2.x + r2.width ) )
+
+ if ( ( r2.y >= r1.y && r2.y <= r1.y + r1.height ) ||
+ ( r1.y >= r2.y && r1.y <= r2.y + r2.height ) )
+
+ return 1;
+
+ return 0;
+}
+
+// helper structure
+
+struct cbRectInfo
+{
+ cbBarInfo* mpBar;
+ cbDockPane* mpPane;
+ wxRect* mpCurBounds;
+ wxRect* mpPrevBounds;
+};
+
+static inline cbRectInfo& node_to_rect_info( wxNode* pNode )
+{
+ return *( (cbRectInfo*) (pNode->Data()) );
+}
+
+/***** Implementation for class cbSimpleUpdatesMgr *****/
+
+IMPLEMENT_DYNAMIC_CLASS( cbGCUpdatesMgr, cbSimpleUpdatesMgr )
+
+cbGCUpdatesMgr::cbGCUpdatesMgr( wxFrameLayout* pPanel )
+ : cbSimpleUpdatesMgr( pPanel )
+{}
+
+void cbGCUpdatesMgr::AddItem( wxList& itemList,
+ cbBarInfo* pBar,
+ cbDockPane* pPane,
+ wxRect& curBounds,
+ wxRect& prevBounds )
+{
+ cbRectInfo* pInfo = new cbRectInfo();
+
+ pInfo->mpBar = pBar;
+ pInfo->mpPane = pPane;
+ pInfo->mpCurBounds = &curBounds;
+ pInfo->mpPrevBounds = &prevBounds;
+
+ itemList.Append( (wxObject*) pInfo );
+}
+
+void cbGCUpdatesMgr::OnStartChanges()
+{
+ // memorize states of ALL items in the layout -
+ // this is quite excessive, but OK for the decent
+ // implementation of updates manager
+
+ mpLayout->GetPrevClientRect() = mpLayout->GetClientRect();
+
+ cbDockPane** panes = mpLayout->GetPanesArray();
+
+ for( int n = 0; n != MAX_PANES; ++n )
+ {
+ cbDockPane& pane = *(panes[n]);
+
+ // store pane state
+ pane.mUMgrData.StoreItemState( pane.mBoundsInParent );
+ pane.mUMgrData.SetDirty( FALSE );
+
+ cbRowInfo* pRow = pane.GetFirstRow();
+
+ while ( pRow )
+ {
+ cbBarInfo* pBar = pRow->GetFirstBar();
+
+ // store row state
+ pRow->mUMgrData.StoreItemState( pRow->mBoundsInParent );
+ pRow->mUMgrData.SetDirty( FALSE );
+
+ while( pBar )
+ {
+ // store bar state
+ pBar->mUMgrData.StoreItemState( pBar->mBoundsInParent );
+ pBar->mUMgrData.SetDirty( FALSE );
+
+ pBar = pBar->mpNext;
+ }
+
+ pRow = pRow->mpNext;
+ }
+ }
+}
+
+void cbGCUpdatesMgr::UpdateNow()
+{
+ cbDockPane** panes = mpLayout->GetPanesArray();
+
+ wxRect& r1 = mpLayout->GetClientRect();
+ wxRect& r2 = mpLayout->GetPrevClientRect();
+
+ // detect changes in client window's area
+
+ bool clientWindowChanged = ( r1.x != r2.x ||
+ r1.y != r2.y ||
+ r1.width != r2.width ||
+ r1.height != r2.height );
+
+ // step #1 - detect changes in each row of each pane,
+ // and repaint decorations around changed windows
+
+ wxList mBarsToResize;
+
+ for( int n = 0; n != MAX_PANES; ++n )
+ {
+ cbDockPane& pane = *(panes[n]);
+
+ bool paneChanged = WasChanged( pane.mUMgrData, pane.mBoundsInParent );
+
+ if ( paneChanged )
+ {
+ wxClientDC dc( &mpLayout->GetParentFrame() );
+ pane.PaintPaneBackground( dc );
+ }
+
+ wxRect realBounds;
+
+ cbRowInfo* pRow = pane.GetFirstRow();
+
+ while ( pRow )
+ {
+ wxDC* pDc = 0;
+
+ cbBarInfo* pBar = pRow->GetFirstBar();
+
+ bool rowChanged = FALSE;
+ bool rowBkPainted = FALSE;
+
+ // FIXME:: the below should not be fixed
+ cbBarInfo* barsToRepaint[128];
+ // number of bars, that were changed in the current row
+ int nBars = 0;
+
+ wxRect r1 = pRow->mUMgrData.mPrevBounds;
+ wxRect r2 = pRow->mBoundsInParent;
+
+ if ( WasChanged( pRow->mUMgrData, pRow->mBoundsInParent ) )
+
+ rowChanged = TRUE;
+ else
+ while( pBar )
+ {
+ if ( WasChanged( pBar->mUMgrData, pBar->mBoundsInParent ) )
+
+ barsToRepaint[nBars++] = pBar;
+
+ pBar = pBar->mpNext;
+ }
+
+ if ( nBars || rowChanged )
+ {
+ realBounds = pRow->mBoundsInParent;
+
+ // include 1-pixel thick shades around the row
+ realBounds.x -= 1;
+ realBounds.y -= 1;
+ realBounds.width += 2;
+ realBounds.height += 2;
+
+ pDc = pane.StartDrawInArea( realBounds );
+ }
+
+ if ( rowChanged )
+ {
+ // postphone the resizement and refreshing the changed
+ // bar windows
+
+ cbBarInfo* pCurBar = pRow->GetFirstBar();
+
+ while( pCurBar )
+ {
+ if ( WasChanged( pCurBar->mUMgrData,
+ pCurBar->mBoundsInParent ) )
+
+ AddItem( mBarsToResize, pCurBar, &pane,
+ pCurBar->mBoundsInParent,
+ pCurBar->mUMgrData.mPrevBounds );
+
+ pCurBar = pCurBar->mpNext;
+ }
+
+ // draw only their decorations now
+
+ pane.PaintRow( pRow, *pDc );
+ }
+ else
+ if ( nBars != 0 )
+ {
+ for( int i = 0; i != nBars; ++i )
+
+ // postphone the resizement and refreshing the changed
+ // bar windows
+
+ AddItem( mBarsToResize,
+ barsToRepaint[i],
+ &pane,
+ barsToRepaint[i]->mBoundsInParent,
+ barsToRepaint[i]->mUMgrData.mPrevBounds );
+
+ // redraw decorations of entire row, regardless of how much
+ // of the bars were changed
+
+ pane.PaintRow( pRow, *pDc );
+ }
+
+ if ( pDc )
+
+ pane.FinishDrawInArea( realBounds );
+
+ pRow = pRow->mpNext;
+
+ } // end of while
+
+ if ( paneChanged )
+ {
+ wxClientDC dc( &mpLayout->GetParentFrame() );
+ pane.PaintPaneDecorations( dc );
+ }
+
+ } // end of for
+
+ if ( clientWindowChanged && !mpLayout->mClientWndRefreshPending )
+ {
+ // ptr to client-window object is "marked" as NULL
+
+ AddItem( mBarsToResize, NULL, NULL,
+ mpLayout->GetClientRect(),
+ mpLayout->GetPrevClientRect() );
+ }
+
+ // step #2 - do ordered refreshing and resizing of bar window objects now
+
+ DoRepositionItems( mBarsToResize );
+}
+
+void cbGCUpdatesMgr::DoRepositionItems( wxList& items )
+{
+ wxNode* pNode1 = items.First();
+
+ while( pNode1 )
+ {
+ cbRectInfo& info = node_to_rect_info( pNode1 );
+
+ wxNode* pNode2 = items.First();
+
+ // and node itself
+
+ mGC.AddObject( &info );
+
+ while( pNode2 )
+ {
+ if ( pNode2 != pNode1 ) // node should not depend on itself
+ {
+ // add references to objects, on which this object
+ // depends. Dependecy here indicates intersection of current
+ // bounds of this object with the initial bounds of the
+ // other object
+
+ cbRectInfo& otherInfo = node_to_rect_info( pNode2 );
+
+ if ( rect_hits_rect( *info.mpCurBounds, *otherInfo.mpPrevBounds ) )
+
+ // the node depends on node
+ mGC.AddDependency( &info, &otherInfo );
+ }
+
+ pNode2 = pNode2->Next();
+ }
+
+ pNode1 = pNode1->Next();
+ }
+
+ mGC.ArrangeCollection(); // order nodes according "least-dependency" rule,
+ // and find out cycled chains
+
+ // regular item nodes need to be resized, but not repainted (since
+ // they stand in linear (not cyclic) dependency with other
+ // regular nodes)
+
+ wxNode* pNode = mGC.GetRegularObjects().First();
+
+ while ( pNode )
+ {
+ cbRectInfo& info = *((cbRectInfo*)gc_node_to_obj(pNode));
+
+ if ( info.mpBar == NULL )
+
+ mpLayout->PositionClientWindow();
+ else
+ info.mpPane->SizeBar( info.mpBar );
+
+ pNode = pNode->Next();
+ }
+
+ // cycled item nodes, need to be both resized and repainted
+
+ pNode = mGC.GetCycledObjects().First();
+
+ while ( pNode )
+ {
+ cbRectInfo& info = *((cbRectInfo*)gc_node_to_obj(pNode));
+
+ if ( info.mpBar == NULL )
+ {
+ wxWindow* pClntWnd = mpLayout->GetFrameClient();
+
+ mpLayout->PositionClientWindow();
+
+ // FIXME FIXME:: excessive!
+
+ pClntWnd->Show( FALSE );
+ pClntWnd->Show( TRUE );
+
+ // OLD STUFF:: mpLayout->PositionClientWindow();
+ }
+ else
+ if ( info.mpBar->mpBarWnd )
+ {
+ wxWindow* pWnd = info.mpBar->mpBarWnd;
+
+ // resize
+ info.mpPane->SizeBar( info.mpBar );
+
+ // repaint
+
+ /* OLD STUFF:: bool isChoice = info.mpBar->IsKindOf( CLASSINFO( wxChoice ) );
+
+ //#ifdef __WINDOWS__
+ //int result = ::SendMessage( (HWND)pWnd->m_hWnd, WM_NCPAINT, 0, 0 );
+ //#endif
+ */
+
+ // FIXME FIXME:: there's no other way to repaint non-client area of the wxWindow!!
+ // so we do *excessive* "hide 'n show"
+
+ pWnd->Show(FALSE);
+ pWnd->Show(TRUE);
+
+ pWnd->Refresh();
+ }
+
+ pNode = pNode->Next();
+ }
+
+ // release data prepared for GC alg.
+
+ pNode = items.First();
+
+ while( pNode )
+ {
+ cbRectInfo* pInfo = (cbRectInfo*)(pNode->Data());
+
+ delete pInfo;
+
+ pNode = pNode->Next();
+ }
+
+ mGC.Reset(); // reinit GC
+
+ // FIXME:: this is a dirty-workaround for messy client-area,
+ // as a result of docking bar out of floated-container window
+
+ if ( mpLayout->mClientWndRefreshPending )
+ {
+ mpLayout->PositionClientWindow();
+ mpLayout->GetFrameClient()->Refresh();
+ }
+}
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