Initial commit

engines/bagel/mfc/single_doc_template.cpp

@@ -0,0 +1,157 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/textconsole.h"
+#include "bagel/mfc/afxwin.h"
+
+namespace Bagel {
+namespace MFC {
+
+IMPLEMENT_DYNAMIC(CSingleDocTemplate, CDocTemplate)
+BEGIN_MESSAGE_MAP(CSingleDocTemplate, CDocTemplate)
+END_MESSAGE_MAP()
+
+CSingleDocTemplate::~CSingleDocTemplate() {
+	assert(!m_pOnlyDoc);
+}
+
+CDocument *CSingleDocTemplate::OpenDocumentFile(const char *lpszPathName,
+		bool bMakeVisible) {
+	CDocument *pDocument = nullptr;
+	CFrameWnd *pFrame = nullptr;
+	bool bCreated = false;      // => doc and frame created
+	bool bWasModified = false;
+
+	if (m_pOnlyDoc != nullptr) {
+		// already have a document - reinit it
+		pDocument = m_pOnlyDoc;
+		if (!pDocument->SaveModified())
+			return nullptr;        // leave the original one
+
+		pFrame = (CFrameWnd *)AfxGetMainWnd();
+		assert(pFrame != nullptr);
+		ASSERT_KINDOF(CFrameWnd, pFrame);
+		ASSERT_VALID(pFrame);
+	} else {
+		// create a new document
+		pDocument = CreateNewDocument();
+		assert(pFrame == nullptr);     // will be created below
+		bCreated = true;
+	}
+
+	assert(pDocument == m_pOnlyDoc);
+
+	if (pFrame == nullptr) {
+		assert(bCreated);
+
+		// Create frame - set as main document frame
+		bool bAutoDelete = pDocument->m_bAutoDelete;
+		pDocument->m_bAutoDelete = false;
+		// don't destroy if something goes wrong
+		pFrame = CreateNewFrame(pDocument, nullptr);
+		pDocument->m_bAutoDelete = bAutoDelete;
+		assert(pFrame);
+	}
+
+	if (lpszPathName == nullptr) {
+		// Create a new document
+		SetDefaultTitle(pDocument);
+
+		// Avoid creating temporary compound file when starting up invisible
+		if (!bMakeVisible)
+			pDocument->m_bEmbedded = true;
+
+		if (!pDocument->OnNewDocument()) {
+			warning("CDocument::OnNewDocument returned false.");
+			if (bCreated)
+				pFrame->DestroyWindow();	// Will destroy document
+			return nullptr;
+		}
+	} else {
+		// open an existing document
+		bWasModified = pDocument->IsModified();
+		pDocument->SetModifiedFlag(false);  // not dirty for open
+
+		if (!pDocument->OnOpenDocument(lpszPathName)) {
+			warning("CDocument::OnOpenDocument returned false.");
+			if (bCreated) {
+				pFrame->DestroyWindow();    // will destroy document
+			} else if (!pDocument->IsModified()) {
+				// Original document is untouched
+				pDocument->SetModifiedFlag(bWasModified);
+			} else {
+				// We corrupted the original document
+				SetDefaultTitle(pDocument);
+
+				if (!pDocument->OnNewDocument()) {
+					warning("Error: OnNewDocument failed after trying to open a document - trying to continue.");
+					// Assume we can continue
+				}
+			}
+
+			return nullptr;	// Open failed
+		}
+
+		pDocument->SetPathName(lpszPathName);
+	}
+
+	// Set as main frame
+	CWinApp *app = AfxGetApp();
+	if (bCreated && !app->m_pMainWnd) {
+		// Set as main frame (InitialUpdateFrame will show the window)
+		app->m_pMainWnd = pFrame;
+	}
+
+	InitialUpdateFrame(pFrame, pDocument, bMakeVisible);
+
+	return pDocument;
+}
+
+void CSingleDocTemplate::AddDocument(CDocument *pDoc) {
+	ASSERT(m_pOnlyDoc == nullptr);     // one at a time please
+	ASSERT_VALID(pDoc);
+
+	CDocTemplate::AddDocument(pDoc);
+	m_pOnlyDoc = pDoc;
+}
+
+void CSingleDocTemplate::SetDefaultTitle(CDocument *pDocument) {
+	pDocument->SetTitle("Untitled");
+}
+
+POSITION CSingleDocTemplate::GetFirstDocPosition() const {
+	return (m_pOnlyDoc == nullptr) ? nullptr : (POSITION)true;
+}
+
+CDocument *CSingleDocTemplate::GetNextDoc(POSITION &rPos) const {
+	CDocument *pDoc = nullptr;
+	if (rPos) {
+		// First time through, return the single document
+		assert(m_pOnlyDoc != nullptr);
+		pDoc = m_pOnlyDoc;
+	}
+
+	rPos = nullptr;        // No more
+	return pDoc;
+}
+
+} // namespace MFC
+} // namespace Bagel