Added OGL to contrib
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6407 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
320
contrib/samples/ogl/studio/csprint.cpp
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320
contrib/samples/ogl/studio/csprint.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: csprint.cpp
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// Purpose: Printing and clipboard functionality
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// Author: Julian Smart
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// Modified by:
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// Created: 12/07/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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// #pragma implementation
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#endif
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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/wx.h>
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#endif
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#include <wx/wxexpr.h>
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#include <wx/clipbrd.h>
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#ifdef __WXMSW__
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#include <wx/metafile.h>
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#endif
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#include "studio.h"
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#include "doc.h"
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#include "shapes.h"
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#include "view.h"
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IMPLEMENT_DYNAMIC_CLASS(wxDiagramClipboard, wxDiagram)
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// Copy selection
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bool wxDiagramClipboard::Copy(wxDiagram* diagram)
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{
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DeleteAllShapes();
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return DoCopy(diagram, this, FALSE, NULL);
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}
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// Copy contents to the diagram, with new ids.
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bool wxDiagramClipboard::Paste(wxDiagram* diagram, wxDC* dc, int offsetX, int offsetY)
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{
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return DoCopy(this, diagram, TRUE, dc, offsetX, offsetY);
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}
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// Universal copy function (to or from clipboard).
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// TODO:
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// Note that this only works for non-composites so far (nested shapes
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// don't have their old-to-new object mappings stored).
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// Also, lines don't yet get their attachment points moved to the new offset position
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// if they have more than 2 points.
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bool wxDiagramClipboard::DoCopy(wxDiagram* diagramFrom, wxDiagram* diagramTo, bool newIds,
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wxDC* dc, int offsetX, int offsetY)
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{
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OnStartCopy(diagramTo);
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wxHashTable mapping(wxKEY_INTEGER);
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// First copy all node shapes.
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wxList* shapeList = diagramFrom->GetShapeList();
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wxNode* node = shapeList->First();
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while (node)
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{
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wxShape* shape = (wxShape*) node->Data();
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if (((diagramFrom == this) || shape->Selected()) && !shape->IsKindOf(CLASSINFO(wxLineShape)))
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{
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wxShape* newShape = shape->CreateNewCopy();
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newShape->GetLines().Clear();
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if (newIds)
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{
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newShape->AssignNewIds();
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}
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mapping.Put((long) shape, (wxObject*) newShape);
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newShape->SetX(newShape->GetX() + offsetX);
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newShape->SetY(newShape->GetY() + offsetY);
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OnAddShape(diagramTo, newShape, dc);
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}
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node = node->Next();
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}
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node = shapeList->First();
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while (node)
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{
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wxShape* shape = (wxShape*) node->Data();
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if (((diagramFrom == this) || shape->Selected()) && shape->IsKindOf(CLASSINFO(wxLineShape)))
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{
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wxLineShape* lineShape = (wxLineShape*) shape;
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// Only copy a line if its ends are selected too.
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if ((diagramFrom == this) || (lineShape->GetTo()->Selected() && lineShape->GetFrom()->Selected()))
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{
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wxLineShape* newShape = (wxLineShape*) shape->CreateNewCopy();
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mapping.Put((long) shape, (wxObject*) newShape);
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if (newIds)
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newShape->AssignNewIds();
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wxShape* fromShape = (wxShape*) mapping.Get((long) lineShape->GetFrom());
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wxShape* toShape = (wxShape*) mapping.Get((long) lineShape->GetTo());
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wxASSERT_MSG( (fromShape != NULL), "Could not find 'from' shape");
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wxASSERT_MSG( (toShape != NULL), "Could not find 'to' shape");
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fromShape->AddLine(newShape, toShape, newShape->GetAttachmentFrom(),
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newShape->GetAttachmentTo());
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OnAddShape(diagramTo, newShape, dc);
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}
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}
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node = node->Next();
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}
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// Now make sure line ordering is correct
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node = shapeList->First();
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while (node)
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{
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wxShape* shape = (wxShape*) node->Data();
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if (((diagramFrom == this) || shape->Selected()) && !shape->IsKindOf(CLASSINFO(wxLineShape)))
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{
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wxShape* newShape = (wxShape*) mapping.Get((long) shape);
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// Make a list of all the new lines, in the same order as the old lines.
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// Then apply the list of new lines to the shape.
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wxList newLines;
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wxNode* lineNode = shape->GetLines().First();
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while (lineNode)
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{
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wxLineShape* lineShape = (wxLineShape*) lineNode->Data();
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if ((diagramFrom == this) || (lineShape->GetTo()->Selected() && lineShape->GetFrom()->Selected()))
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{
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wxLineShape* newLineShape = (wxLineShape*) mapping.Get((long) lineShape);
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wxASSERT_MSG( (newLineShape != NULL), "Could not find new line shape");
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newLines.Append(newLineShape);
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}
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lineNode = lineNode->Next();
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}
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if (newLines.Number() > 0)
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newShape->ApplyAttachmentOrdering(newLines);
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}
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node = node->Next();
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}
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OnEndCopy(diagramTo);
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return TRUE;
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}
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#ifdef __WXMSW__
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// Draw contents to a Windows metafile device context and a bitmap, and copy
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// these to the Windows clipboard
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bool wxDiagramClipboard::CopyToClipboard(double scale)
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{
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// Make a metafile DC
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wxMetaFileDC mfDC;
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if (mfDC.Ok())
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{
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mfDC.SetUserScale(scale, scale);
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// Draw on metafile DC
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Redraw(mfDC);
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int printWidth = mfDC.MaxX() - mfDC.MinX();
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int printHeight = mfDC.MaxY() - mfDC.MinY();
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int maxX = (int)mfDC.MaxX();
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int maxY = (int)mfDC.MaxY();
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wxMetaFile *mf = mfDC.Close();
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// Set to a bitmap memory DC
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wxBitmap *newBitmap = new wxBitmap((int)(maxX + 10), (int)(maxY + 10));
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if (!newBitmap->Ok())
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{
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delete newBitmap;
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char buf[200];
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sprintf(buf, "Sorry, could not allocate clipboard bitmap (%dx%d)", (maxX+10), (maxY+10));
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wxMessageBox(buf, "Clipboard copy problem");
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return FALSE;
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}
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wxMemoryDC memDC;
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memDC.SelectObject(*newBitmap);
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memDC.Clear();
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// Now draw on memory bitmap DC
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Redraw(memDC);
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memDC.SelectObject(wxNullBitmap);
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// Open clipboard and set the data
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if (wxOpenClipboard())
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{
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wxEmptyClipboard();
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// Copy the bitmap to the clipboard
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wxSetClipboardData(wxDF_BITMAP, newBitmap, 0, 0);
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#if 0 // TODO: replace this code (wxEnhMetaFile doesn't have SetClipboard)
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if (mf)
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{
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// Copy the metafile to the clipboard
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// Allow a small margin
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bool success = mf->SetClipboard((int)(mfDC.MaxX() + 15), (int)(mfDC.MaxY() + 15));
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}
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#endif
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// Close clipboard
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wxCloseClipboard();
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}
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delete newBitmap;
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delete mf;
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}
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return TRUE;
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}
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#endif
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// __WXMSW__
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// Override this to e.g. have the shape added through a Do/Undo command system.
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// By default, we'll just add it directly to the destination diagram.
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bool wxDiagramClipboard::OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc)
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{
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diagramTo->AddShape(newShape);
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if (dc && (diagramTo != this))
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{
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newShape->Select(TRUE, dc);
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}
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return TRUE;
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}
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/*
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* csDiagramClipboard
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*/
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IMPLEMENT_DYNAMIC_CLASS(csDiagramClipboard, wxDiagramClipboard)
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// Start/end copying
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bool csDiagramClipboard::OnStartCopy(wxDiagram* diagramTo)
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{
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// Do nothing if copying to the clipboard
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if (diagramTo == this)
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return TRUE;
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// Deselect all objects initially.
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csDiagram* diagram = (csDiagram*) diagramTo;
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csDiagramDocument* doc = diagram->GetDocument();
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((csDiagramView*)doc->GetFirstView())->SelectAll(FALSE);
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m_currentCmd = new csDiagramCommand("Paste", doc);
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return TRUE;
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}
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bool csDiagramClipboard::OnEndCopy(wxDiagram* diagramTo)
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{
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// Do nothing if copying to the clipboard
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if (diagramTo == this)
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return TRUE;
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csDiagram* diagram = (csDiagram*) diagramTo;
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csDiagramDocument* doc = diagram->GetDocument();
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if (m_currentCmd)
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{
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if (m_currentCmd->GetStates().Number() == 0)
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{
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delete m_currentCmd;
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}
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else
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{
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doc->GetCommandProcessor()->Submit(m_currentCmd);
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m_currentCmd = NULL;
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}
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}
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return TRUE;
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}
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// Use the command framework to add the shapes, if we're copying to a diagram and
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// not the clipboard.
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bool csDiagramClipboard::OnAddShape(wxDiagram* diagramTo, wxShape* newShape, wxDC* dc)
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{
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if (diagramTo == this)
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{
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diagramTo->AddShape(newShape);
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}
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else
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{
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csDiagram* diagram = (csDiagram*) diagramTo;
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csDiagramDocument* doc = diagram->GetDocument();
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if (newShape->IsKindOf(CLASSINFO(wxLineShape)))
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m_currentCmd->AddState(new csCommandState(ID_CS_ADD_LINE_SELECT, newShape, NULL));
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else
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m_currentCmd->AddState(new csCommandState(ID_CS_ADD_SHAPE_SELECT, newShape, NULL));
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}
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return TRUE;
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}
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