Files
scummvm-cursorfix/engines/bagel/mfc/single_doc_template.cpp
2026-02-02 04:50:13 +01:00

158 lines
4.3 KiB
C++

/* 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