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
611
contrib/samples/ogl/ogledit/doc.cpp
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611
contrib/samples/ogl/ogledit/doc.cpp
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@@ -0,0 +1,611 @@
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/////////////////////////////////////////////////////////////////////////////
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// Name: doc.cpp
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// Purpose: Implements document functionality in OGLEdit
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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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#if !wxUSE_DOC_VIEW_ARCHITECTURE
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#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
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#endif
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#include <wx/wxexpr.h>
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#include "ogledit.h"
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#include "doc.h"
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#include "view.h"
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#if wxUSE_STD_IOSTREAM
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#include <iostream.h>
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#endif
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IMPLEMENT_DYNAMIC_CLASS(DiagramDocument, wxDocument)
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DiagramDocument::DiagramDocument(void)
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{
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}
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DiagramDocument::~DiagramDocument(void)
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{
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}
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bool DiagramDocument::OnCloseDocument(void)
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{
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diagram.DeleteAllShapes();
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return TRUE;
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}
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#if wxUSE_STD_IOSTREAM
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ostream& DiagramDocument::SaveObject(ostream& stream)
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{
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wxDocument::SaveObject(stream);
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char buf[400];
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(void) wxGetTempFileName("diag", buf);
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diagram.SaveFile(buf);
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wxTransferFileToStream(buf, stream);
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wxRemoveFile(buf);
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return stream;
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}
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istream& DiagramDocument::LoadObject(istream& stream)
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{
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wxDocument::LoadObject(stream);
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char buf[400];
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(void) wxGetTempFileName("diag", buf);
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wxTransferStreamToFile(stream, buf);
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diagram.DeleteAllShapes();
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diagram.LoadFile(buf);
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wxRemoveFile(buf);
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return stream;
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}
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#else
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wxOutputStream& DiagramDocument::SaveObject(wxOutputStream& stream)
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{
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wxDocument::SaveObject(stream);
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char buf[400];
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(void) wxGetTempFileName("diag", buf);
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diagram.SaveFile(buf);
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wxTransferFileToStream(buf, stream);
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wxRemoveFile(buf);
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return stream;
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}
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wxInputStream& DiagramDocument::LoadObject(wxInputStream& stream)
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{
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wxDocument::LoadObject(stream);
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char buf[400];
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(void) wxGetTempFileName("diag", buf);
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wxTransferStreamToFile(stream, buf);
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diagram.DeleteAllShapes();
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diagram.LoadFile(buf);
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wxRemoveFile(buf);
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return stream;
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}
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#endif
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/*
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* Implementation of drawing command
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*/
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DiagramCommand::DiagramCommand(char *name, int command, DiagramDocument *ddoc, wxClassInfo *info, double xx, double yy,
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bool sel, wxShape *theShape, wxShape *fs, wxShape *ts):
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wxCommand(TRUE, name)
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{
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doc = ddoc;
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cmd = command;
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shape = theShape;
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fromShape = fs;
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toShape = ts;
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shapeInfo = info;
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shapeBrush = NULL;
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shapePen = NULL;
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x = xx;
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y = yy;
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selected = sel;
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deleteShape = FALSE;
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}
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DiagramCommand::DiagramCommand(char *name, int command, DiagramDocument *ddoc, wxBrush *backgroundColour, wxShape *theShape):
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wxCommand(TRUE, name)
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{
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doc = ddoc;
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cmd = command;
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shape = theShape;
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fromShape = NULL;
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toShape = NULL;
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shapeInfo = NULL;
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x = 0.0;
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y = 0.0;
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selected = FALSE;
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deleteShape = FALSE;
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shapeBrush = backgroundColour;
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shapePen = NULL;
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}
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DiagramCommand::DiagramCommand(char *name, int command, DiagramDocument *ddoc, const wxString& lab, wxShape *theShape):
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wxCommand(TRUE, name)
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{
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doc = ddoc;
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cmd = command;
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shape = theShape;
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fromShape = NULL;
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toShape = NULL;
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shapeInfo = NULL;
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x = 0.0;
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y = 0.0;
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selected = FALSE;
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deleteShape = FALSE;
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shapeBrush = NULL;
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shapePen = NULL;
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shapeLabel = lab;
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}
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DiagramCommand::~DiagramCommand(void)
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{
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if (shape && deleteShape)
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{
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shape->SetCanvas(NULL);
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delete shape;
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}
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}
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bool DiagramCommand::Do(void)
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{
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switch (cmd)
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{
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case OGLEDIT_CUT:
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{
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if (shape)
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{
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deleteShape = TRUE;
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shape->Select(FALSE);
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// Generate commands to explicitly remove each connected line.
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RemoveLines(shape);
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doc->GetDiagram()->RemoveShape(shape);
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if (shape->IsKindOf(CLASSINFO(wxLineShape)))
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{
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wxLineShape *lineShape = (wxLineShape *)shape;
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fromShape = lineShape->GetFrom();
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toShape = lineShape->GetTo();
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}
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shape->Unlink();
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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}
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break;
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}
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case OGLEDIT_ADD_SHAPE:
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{
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wxShape *theShape = NULL;
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if (shape)
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theShape = shape; // Saved from undoing the shape
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else
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{
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theShape = (wxShape *)shapeInfo->CreateObject();
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theShape->AssignNewIds();
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theShape->SetEventHandler(new MyEvtHandler(theShape, theShape, wxString("")));
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theShape->SetCentreResize(FALSE);
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theShape->SetPen(wxBLACK_PEN);
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theShape->SetBrush(wxCYAN_BRUSH);
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theShape->SetSize(60, 60);
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}
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doc->GetDiagram()->AddShape(theShape);
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theShape->Show(TRUE);
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wxClientDC dc(theShape->GetCanvas());
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theShape->GetCanvas()->PrepareDC(dc);
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theShape->Move(dc, x, y);
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shape = theShape;
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deleteShape = FALSE;
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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break;
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}
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case OGLEDIT_ADD_LINE:
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{
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wxShape *theShape = NULL;
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if (shape)
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theShape = shape; // Saved from undoing the line
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else
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{
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theShape = (wxShape *)shapeInfo->CreateObject();
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theShape->AssignNewIds();
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theShape->SetEventHandler(new MyEvtHandler(theShape, theShape, wxString("")));
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theShape->SetPen(wxBLACK_PEN);
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theShape->SetBrush(wxRED_BRUSH);
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wxLineShape *lineShape = (wxLineShape *)theShape;
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// Yes, you can have more than 2 control points, in which case
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// it becomes a multi-segment line.
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lineShape->MakeLineControlPoints(2);
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lineShape->AddArrow(ARROW_ARROW, ARROW_POSITION_END, 10.0, 0.0, "Normal arrowhead");
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}
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doc->GetDiagram()->AddShape(theShape);
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fromShape->AddLine((wxLineShape *)theShape, toShape);
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theShape->Show(TRUE);
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wxClientDC dc(theShape->GetCanvas());
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theShape->GetCanvas()->PrepareDC(dc);
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// It won't get drawn properly unless you move both
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// connected images
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fromShape->Move(dc, fromShape->GetX(), fromShape->GetY());
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toShape->Move(dc, toShape->GetX(), toShape->GetY());
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shape = theShape;
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deleteShape = FALSE;
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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break;
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}
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case OGLEDIT_CHANGE_BACKGROUND_COLOUR:
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{
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if (shape)
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{
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wxClientDC dc(shape->GetCanvas());
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shape->GetCanvas()->PrepareDC(dc);
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wxBrush *oldBrush = shape->GetBrush();
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shape->SetBrush(shapeBrush);
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shapeBrush = oldBrush;
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shape->Draw(dc);
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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}
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break;
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}
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case OGLEDIT_EDIT_LABEL:
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{
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if (shape)
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{
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MyEvtHandler *myHandler = (MyEvtHandler *)shape->GetEventHandler();
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wxString oldLabel(myHandler->label);
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myHandler->label = shapeLabel;
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shapeLabel = oldLabel;
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wxClientDC dc(shape->GetCanvas());
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shape->GetCanvas()->PrepareDC(dc);
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shape->FormatText(dc, (char*) (const char*) myHandler->label);
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shape->Draw(dc);
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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}
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break;
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}
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}
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return TRUE;
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}
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bool DiagramCommand::Undo(void)
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{
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switch (cmd)
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{
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case OGLEDIT_CUT:
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{
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if (shape)
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{
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doc->GetDiagram()->AddShape(shape);
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shape->Show(TRUE);
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if (shape->IsKindOf(CLASSINFO(wxLineShape)))
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{
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wxLineShape *lineShape = (wxLineShape *)shape;
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fromShape->AddLine(lineShape, toShape);
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}
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if (selected)
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shape->Select(TRUE);
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deleteShape = FALSE;
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}
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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break;
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}
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case OGLEDIT_ADD_SHAPE:
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case OGLEDIT_ADD_LINE:
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{
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if (shape)
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{
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wxClientDC dc(shape->GetCanvas());
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shape->GetCanvas()->PrepareDC(dc);
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shape->Select(FALSE, &dc);
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doc->GetDiagram()->RemoveShape(shape);
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shape->Unlink();
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deleteShape = TRUE;
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}
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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break;
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}
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case OGLEDIT_CHANGE_BACKGROUND_COLOUR:
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{
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if (shape)
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{
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wxClientDC dc(shape->GetCanvas());
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shape->GetCanvas()->PrepareDC(dc);
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wxBrush *oldBrush = shape->GetBrush();
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shape->SetBrush(shapeBrush);
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shapeBrush = oldBrush;
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shape->Draw(dc);
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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}
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break;
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}
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case OGLEDIT_EDIT_LABEL:
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{
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if (shape)
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{
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MyEvtHandler *myHandler = (MyEvtHandler *)shape->GetEventHandler();
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wxString oldLabel(myHandler->label);
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myHandler->label = shapeLabel;
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shapeLabel = oldLabel;
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wxClientDC dc(shape->GetCanvas());
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shape->GetCanvas()->PrepareDC(dc);
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shape->FormatText(dc, (char*) (const char*) myHandler->label);
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shape->Draw(dc);
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doc->Modify(TRUE);
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doc->UpdateAllViews();
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}
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break;
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}
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}
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return TRUE;
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}
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// Remove each individual line connected to a shape by sending a command.
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void DiagramCommand::RemoveLines(wxShape *shape)
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{
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wxNode *node = shape->GetLines().First();
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while (node)
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{
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wxLineShape *line = (wxLineShape *)node->Data();
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doc->GetCommandProcessor()->Submit(new DiagramCommand("Cut", OGLEDIT_CUT, doc, NULL, 0.0, 0.0, line->Selected(), line));
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node = shape->GetLines().First();
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}
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}
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/*
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* MyEvtHandler: an event handler class for all shapes
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*/
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void MyEvtHandler::OnLeftClick(double x, double y, int keys, int attachment)
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{
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wxClientDC dc(GetShape()->GetCanvas());
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GetShape()->GetCanvas()->PrepareDC(dc);
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|
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if (keys == 0)
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{
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// Selection is a concept the library knows about
|
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if (GetShape()->Selected())
|
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{
|
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GetShape()->Select(FALSE, &dc);
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GetShape()->GetCanvas()->Redraw(dc); // Redraw because bits of objects will be are missing
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}
|
||||
else
|
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{
|
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// Ensure no other shape is selected, to simplify Undo/Redo code
|
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bool redraw = FALSE;
|
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wxNode *node = GetShape()->GetCanvas()->GetDiagram()->GetShapeList()->First();
|
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while (node)
|
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{
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wxShape *eachShape = (wxShape *)node->Data();
|
||||
if (eachShape->GetParent() == NULL)
|
||||
{
|
||||
if (eachShape->Selected())
|
||||
{
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||||
eachShape->Select(FALSE, &dc);
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||||
redraw = TRUE;
|
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}
|
||||
}
|
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node = node->Next();
|
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}
|
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GetShape()->Select(TRUE, &dc);
|
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if (redraw)
|
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GetShape()->GetCanvas()->Redraw(dc);
|
||||
}
|
||||
}
|
||||
else if (keys & KEY_CTRL)
|
||||
{
|
||||
// Do something for CONTROL
|
||||
}
|
||||
else
|
||||
{
|
||||
wxGetApp().frame->SetStatusText(label);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Implement connection of two shapes by right-dragging between them.
|
||||
*/
|
||||
|
||||
void MyEvtHandler::OnBeginDragRight(double x, double y, int keys, int attachment)
|
||||
{
|
||||
// Force attachment to be zero for now. Eventually we can deal with
|
||||
// the actual attachment point, e.g. a rectangle side if attachment mode is on.
|
||||
attachment = 0;
|
||||
|
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wxClientDC dc(GetShape()->GetCanvas());
|
||||
GetShape()->GetCanvas()->PrepareDC(dc);
|
||||
|
||||
wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
|
||||
dc.SetLogicalFunction(OGLRBLF);
|
||||
dc.SetPen(dottedPen);
|
||||
double xp, yp;
|
||||
GetShape()->GetAttachmentPosition(attachment, &xp, &yp);
|
||||
dc.DrawLine((long) xp, (long) yp, (long) x, (long) y);
|
||||
GetShape()->GetCanvas()->CaptureMouse();
|
||||
}
|
||||
|
||||
void MyEvtHandler::OnDragRight(bool draw, double x, double y, int keys, int attachment)
|
||||
{
|
||||
// Force attachment to be zero for now
|
||||
attachment = 0;
|
||||
|
||||
wxClientDC dc(GetShape()->GetCanvas());
|
||||
GetShape()->GetCanvas()->PrepareDC(dc);
|
||||
|
||||
wxPen dottedPen(wxColour(0, 0, 0), 1, wxDOT);
|
||||
dc.SetLogicalFunction(OGLRBLF);
|
||||
dc.SetPen(dottedPen);
|
||||
double xp, yp;
|
||||
GetShape()->GetAttachmentPosition(attachment, &xp, &yp);
|
||||
dc.DrawLine((long) xp, (long) yp, (long) x, (long) y);
|
||||
}
|
||||
|
||||
void MyEvtHandler::OnEndDragRight(double x, double y, int keys, int attachment)
|
||||
{
|
||||
GetShape()->GetCanvas()->ReleaseMouse();
|
||||
MyCanvas *canvas = (MyCanvas *)GetShape()->GetCanvas();
|
||||
|
||||
// Check if we're on an object
|
||||
int new_attachment;
|
||||
wxShape *otherShape = canvas->FindFirstSensitiveShape(x, y, &new_attachment, OP_DRAG_RIGHT);
|
||||
|
||||
if (otherShape && !otherShape->IsKindOf(CLASSINFO(wxLineShape)))
|
||||
{
|
||||
canvas->view->GetDocument()->GetCommandProcessor()->Submit(
|
||||
new DiagramCommand("wxLineShape", OGLEDIT_ADD_LINE, (DiagramDocument *)canvas->view->GetDocument(), CLASSINFO(wxLineShape),
|
||||
0.0, 0.0, FALSE, NULL, GetShape(), otherShape));
|
||||
}
|
||||
}
|
||||
|
||||
void MyEvtHandler::OnEndSize(double x, double y)
|
||||
{
|
||||
wxClientDC dc(GetShape()->GetCanvas());
|
||||
GetShape()->GetCanvas()->PrepareDC(dc);
|
||||
|
||||
GetShape()->FormatText(dc, (char*) (const char*) label);
|
||||
}
|
||||
|
||||
/*
|
||||
* Diagram
|
||||
*/
|
||||
|
||||
bool MyDiagram::OnShapeSave(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
|
||||
{
|
||||
wxDiagram::OnShapeSave(db, shape, expr);
|
||||
MyEvtHandler *handler = (MyEvtHandler *)shape.GetEventHandler();
|
||||
expr.AddAttributeValueString("label", handler->label);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
bool MyDiagram::OnShapeLoad(wxExprDatabase& db, wxShape& shape, wxExpr& expr)
|
||||
{
|
||||
wxDiagram::OnShapeLoad(db, shape, expr);
|
||||
char *label = NULL;
|
||||
expr.AssignAttributeValue("label", &label);
|
||||
MyEvtHandler *handler = new MyEvtHandler(&shape, &shape, wxString(label));
|
||||
shape.SetEventHandler(handler);
|
||||
|
||||
if (label)
|
||||
delete[] label;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/*
|
||||
* New shapes
|
||||
*/
|
||||
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxRoundedRectangleShape, wxRectangleShape)
|
||||
|
||||
wxRoundedRectangleShape::wxRoundedRectangleShape(double w, double h):
|
||||
wxRectangleShape(w, h)
|
||||
{
|
||||
// 0.3 of the smaller rectangle dimension
|
||||
SetCornerRadius((double) -0.3);
|
||||
}
|
||||
|
||||
IMPLEMENT_DYNAMIC_CLASS(wxDiamondShape, wxPolygonShape)
|
||||
|
||||
wxDiamondShape::wxDiamondShape(double w, double h):
|
||||
wxPolygonShape()
|
||||
{
|
||||
// wxPolygonShape::SetSize relies on the shape having non-zero
|
||||
// size initially.
|
||||
if (w == 0.0)
|
||||
w = 60.0;
|
||||
if (h == 0.0)
|
||||
h = 60.0;
|
||||
|
||||
wxList *thePoints = new wxList;
|
||||
wxRealPoint *point = new wxRealPoint(0.0, (-h/2.0));
|
||||
thePoints->Append((wxObject*) point);
|
||||
|
||||
point = new wxRealPoint((w/2.0), 0.0);
|
||||
thePoints->Append((wxObject*) point);
|
||||
|
||||
point = new wxRealPoint(0.0, (h/2.0));
|
||||
thePoints->Append((wxObject*) point);
|
||||
|
||||
point = new wxRealPoint((-w/2.0), 0.0);
|
||||
thePoints->Append((wxObject*) point);
|
||||
|
||||
Create(thePoints);
|
||||
}
|
||||
Reference in New Issue
Block a user