C++ XAP_Frame::getFilename方法代码示例

UT_sint32 XAP_App::findFrame(const char * szFilename)
{
	if (!szFilename || !*szFilename)
		return -1;

	for (UT_sint32 i=0; i<getFrameCount(); i++)
	{
		XAP_Frame * f = getFrame(i);
		UT_continue_if_fail(f);
		const char * s = f->getFilename();

		if (s && *s && (0 == g_ascii_strcasecmp(szFilename, s)))
		{
			return i;
		}
	}

	return -1;
}

bool XAP_App::retrieveState()
{
	XAP_StateData sd;

	bool bRet = true;
	
	if(!_retrieveState(sd))
		return false;

	UT_return_val_if_fail(sd.iFileCount <= XAP_SD_MAX_FILES, false);
		
	// now do our thing with it:
	//  * open the files stored in the data
	//  * move carets and scrollbars to the saved positions
	//  * make the first saved frame to be the current frame

	// we should only be restoring state with no docs already
	// opened
	UT_return_val_if_fail(m_vecFrames.getItemCount() <= 1, false);
	XAP_Frame * pFrame = NULL;

	if(m_vecFrames.getItemCount())
		pFrame = m_vecFrames.getNthItem(0);

	// if there is a frame, it should be one with unmodified untitled document
	UT_return_val_if_fail( !pFrame || (!pFrame->getFilename() && !pFrame->isDirty()), false );
		
	UT_Error errorCode = UT_IE_IMPORTERROR;
	
	for(UT_uint32 i = 0; i < sd.iFileCount; ++i)
	{
		if(!pFrame)
			pFrame = newFrame();
		
		if (!pFrame)
			return false;
		
		// Open a complete but blank frame, then load the document into it
		errorCode = pFrame->loadDocument((const char *)NULL, 0 /*IEFT_Unknown*/);

		bRet &= (errorCode == UT_OK);
		
		if (errorCode == UT_OK)
			pFrame->show();
	    else
			continue;

		errorCode = pFrame->loadDocument(sd.filenames[i], 0 /*IEFT_Unknown*/);

		bRet &= (errorCode == UT_OK);
		
		if (errorCode != UT_OK)
			continue;

		pFrame->show();

		AV_View* pView = pFrame->getCurrentView();
		if(!pView)
		{
			UT_ASSERT_HARMLESS( UT_SHOULD_NOT_HAPPEN );
			bRet = false;
			continue;
		}
		
		pView->setPoint(sd.iDocPos[i]);
		pView->setXScrollOffset(sd.iXScroll[i]);
		pView->setYScrollOffset(sd.iYScroll[i]);

		// now we check if this doc was autosaved Untitled* doc at hibernation
		char * p = strstr(sd.filenames[i], HIBERNATED_EXT);
		if(p)
		{
			// remove extension
			p = 0;
			AD_Document * pDoc = pFrame->getCurrentDoc();

			if(pDoc)
			{
				pDoc->clearFilename();
				pDoc->forceDirty();
				pFrame->updateTitle();
			}
		}
		
		
		// frame used -- next doc needs a new one
		pFrame = NULL;
	}

	// set focus to the first frame
	pFrame = m_vecFrames.getNthItem(0);
	UT_return_val_if_fail( pFrame, false );

	AV_View* pView = pFrame->getCurrentView();
	UT_return_val_if_fail( pView, false );

	pView->focusChange(AV_FOCUS_HERE);

	return bRet;
}

//
// AbiPaint saveAsBmp
// ------------------
//   This is the function exports selected image as a Windows BMP file.
//
//   parameters are:
//     AV_View* v
//     EV_EditMethodCallData *d)
//
static DECLARE_ABI_PLUGIN_METHOD(saveAsBmp)
{
	// Get a frame (for error messages) and (to) get the current view that the user is in.
	XAP_Frame *pFrame = XAP_App::getApp()->getLastFocussedFrame();
	FV_View* pView = static_cast<FV_View*>(pFrame->getCurrentView());

	char *szTempFileName = NULL;
	GError *err = NULL;
	gint fp = g_file_open_tmp ("XXXXXX", &szTempFileName, &err);
	if (err) {
		g_warning (err->message);
		g_error_free (err); err = NULL;
		return FALSE;
	}
	close(fp);

	UT_String szTmpPng = szTempFileName;
	szTmpPng += ".png";
	remove(szTempFileName);
	g_free (szTempFileName); szTempFileName = NULL;
	
	PT_DocPosition pos = pView->saveSelectedImage((const char *)szTmpPng.c_str());
	if(pos == 0)
	{
		pFrame->showMessageBox("You must select an Image before trying to save it as a BMP file!", XAP_Dialog_MessageBox::b_O,XAP_Dialog_MessageBox::a_OK);
		return false;
	}

	//
	// Convert png into bmp
	// NOTE: probably looses detail/information though!!!
	//

	UT_String szBMPFile = pFrame->getFilename(); // perhaps a different default directory should be used???
	{
		const char * szDescList[2];
		const char * szSuffixList[2];
		IEGraphicFileType ft[2];
		{
			// IE_ImpGraphicBMP_Sniffer tmp;
			// tmp.getDlgLabels(szDescList, szSuffixList, ft);
			szDescList[0] = "Windows Bitmap (*.bmp)";
			szSuffixList[0] = "*.bmp";
			ft[0] = IEGFT_BMP;
		}
		szDescList[1] = szSuffixList[1] = NULL;
		ft[1] = IEGFT_Unknown;

		if (getFileName(szBMPFile, pFrame, XAP_DIALOG_ID_FILE_SAVEAS, szDescList, szSuffixList, ft))
		{
			// user canceled
			remove(szTmpPng.c_str());
			return true;
		}
	}

	if (convertPNG2BMP(szTmpPng.c_str(), szBMPFile.c_str()))
	{
		pFrame->showMessageBox("Unable to convert PNG image data to BMP.", XAP_Dialog_MessageBox::b_O,XAP_Dialog_MessageBox::a_OK);
		UT_ASSERT(UT_SHOULD_NOT_HAPPEN);

		remove(szTmpPng.c_str());
		return false;
	}
	remove(szTmpPng.c_str());
	return true;
}