コード例 #1
0
ファイル: btree.c プロジェクト: lbull/mybtree
int insertKey(int offset, long long key, int* child_left_promoted, int* child_right_promoted, long long* key_promoted)
{
	page_tree *curr_page; // pagina atual para busca
	page_tree *new_page; // pagina para split
	int pos = -1; // posicao em que a chave deveria ser inserida

	// trata o caso de arvore vazia
	if (offset == NIL) {
		*key_promoted = key;
		*child_right_promoted = NIL;
		*child_left_promoted = NIL;
		return PROMOTED;
	}

	curr_page = loadPage(offset); // carrega a pagina para inspecao
	if (pageSearch(curr_page, key, &pos) == SUCCESS) {
		fprintf(stderr, "Chave ja existe na arvore\n\n");
		return ERROR;
	}

	int return_value = -1;
	int right_offset_child_promoted = -1;
	int left_offset_child_promoted = -1;
	long long key_promotion = -1;
	return_value = insertKey(curr_page->child[pos], key, &left_offset_child_promoted, &right_offset_child_promoted, &key_promotion);

	// verifica se nao eh necessaria mais nenhuma operacao na arvore
	// ou seja, a chave foi inserida mas nao ha promocao
	// ou entao a chave ja existia e foi retornado um erro
	if (return_value == NOT_PROMOTED || return_value == ERROR) {
		return return_value;
	}

	// verifica se a chave cabe na pagina atual
	if (curr_page->nKeys < ORDER-1) {
		pageInsert(curr_page, key_promotion, left_offset_child_promoted, right_offset_child_promoted);
		savePage(offset, curr_page);
		return NOT_PROMOTED;
	}

	// se a chave nao couber na pagina, realiza split
	//fprintf(stderr, "chamando split... offset vale %d e chave vale %lld\n", offset, key_promotion);

	split(key_promotion, right_offset_child_promoted, curr_page, key_promoted, child_left_promoted, child_right_promoted, &new_page);
	*child_left_promoted = offset;
	savePage(offset, curr_page); // salva a pagina atual
	savePage(*child_right_promoted, new_page); // salva a nova pagina apos split

	free(curr_page);
	free(new_page);

	return PROMOTED;
}
コード例 #2
0
ファイル: btree.c プロジェクト: lbull/mybtree
int insert(int offset, long long key) {

	long long key_promoted = -1;
	int return_value = -1;
	int new_offset = -1;
	int offset_child_right = -1;
	int offset_child_left = -1;
	page_tree *page;

	// verifica se eh necessario criar um novo no raiz
	if ((return_value = insertKey(offset, key, &offset_child_left, &offset_child_right, &key_promoted)) == PROMOTED) {
		// aloca nova pagina na ram
		allocPage(&page);
		// insere chave na nova pagina criada (ainda na RAM)
		pageInsert(page, key_promoted, offset_child_left, offset_child_right);
		//emanuel
		page->child[0] = offset_left;
		page->child[0] = offset_child_left;

		// move o ponteiro para o final do arquivo para pegar a posicao da nova pagina
		fseek(bTreeFile, 0L, SEEK_END);
		new_offset = ftell(bTreeFile);
		// salva a pagina no disco
		savePage(new_offset, page);
		update_root_offset(new_offset);
		free(page);
	}

	return return_value;
}
コード例 #3
0
MainWindow::MainWindow(QWidget *parent) :
        QMainWindow(parent),
        ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    webView = new QWebView();
    webView->setWindowTitle("contentEditor preview");
    webView->setWindowFlags(Qt::WindowStaysOnTopHint); // | Qt::FramelessWindowHint

    pageHandler::loadPages();
    pageHandler::treeWidget = ui->pagesList;
    pageHandler::pageStack = ui->pageStack;
    pageHandler::webView = webView;
    pageHandler::setup();

    setGeometry(50, 50, 1200, 700);

    connect(ui->savePage,SIGNAL(triggered()),pageHandler::getSingleton(), SLOT(savePage()));
    connect(ui->togglePagesList,SIGNAL(triggered()),this, SLOT(togglePagesList()));
    connect(ui->toggleFullscreen,SIGNAL(triggered()),this, SLOT(toggleFullscreen()));
    connect(ui->togglePreview,SIGNAL(triggered()),this, SLOT(togglePreview()));
    connect(ui->newPage,SIGNAL(triggered()),this, SLOT(addPage()));
    connect(ui->newField,SIGNAL(triggered()),this, SLOT(addField()));
    connect(ui->backgroundColor, SIGNAL(triggered()), pageHandler::getSingleton(), SLOT(setFieldBackgroundColor()));
    connect(ui->addImage, SIGNAL(triggered()), pageHandler::getSingleton(), SLOT(addImage()));
    connect(ui->toggleText, SIGNAL(triggered()), pageHandler::getSingleton(), SLOT(toggleTextEdit()));
    connect(ui->pageBackgroundColor, SIGNAL(triggered()), pageHandler::getSingleton(), SLOT(setPageBackgroundColor()));
    connect(ui->printPDF, SIGNAL(triggered()), pageHandler::getSingleton(), SLOT(exportPDF()));


    lastWebViewGeometry = QRect(200,200,500,400);
}
コード例 #4
0
ファイル: ConfigureDialog.cpp プロジェクト: KDE/print-manager
void ConfigureDialog::closeEvent(QCloseEvent *event)
{
    PrinterPage *page = qobject_cast<PrinterPage*>(currentPage()->widget());
    if (savePage(page)) {
        event->accept();
    } else {
        event->ignore();
    }
}
コード例 #5
0
ファイル: Reporter.cpp プロジェクト: jdbrice/tofPID
	void Reporter::next(){
		log->info(__FUNCTION__) << " Pushing to next pad " << endl;
		currentPad++;
		if ( currentPad > dx*dy){
			savePage();
			newPage( dx, dy);
		} else {
			cd( currentPad );
		}
	}
コード例 #6
0
ファイル: ConfigureDialog.cpp プロジェクト: KDE/print-manager
void ConfigureDialog::currentPageChanged(KPageWidgetItem *current, KPageWidgetItem *before)
{
    PrinterPage *currentPage = qobject_cast<PrinterPage*>(current->widget());
    PrinterPage *beforePage = qobject_cast<PrinterPage*>(before->widget());

    // Check if the before page has changes
    savePage(beforePage);
    if (beforePage) {
        disconnect(beforePage, SIGNAL(changed(bool)), this, SLOT(enableButtonApply(bool)));
    }

    // connect the changed signal to the new page and check if it has changes
    connect(currentPage, SIGNAL(changed(bool)), this, SLOT(enableButtonApply(bool)));
    enableButtonApply(currentPage->hasChanges());
}
コード例 #7
0
ファイル: moc_webPage.cpp プロジェクト: ProgVal/Naveo
int webPage::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
    _id = QMainWindow::qt_metacall(_c, _id, _a);
    if (_id < 0)
        return _id;
    if (_c == QMetaObject::InvokeMetaMethod) {
        switch (_id) {
        case 0: loading((*reinterpret_cast< QString(*)>(_a[1]))); break;
        case 1: isLoading((*reinterpret_cast< QPixmap(*)>(_a[1]))); break;
        case 2: titleChanged((*reinterpret_cast< QString(*)>(_a[1]))); break;
        case 3: pageChanged((*reinterpret_cast< QString(*)>(_a[1])),(*reinterpret_cast< QString(*)>(_a[2]))); break;
        case 4: showSources((*reinterpret_cast< QString(*)>(_a[1]))); break;
        case 5: speedDial(); break;
        case 6: needPrint((*reinterpret_cast< QPrinter*(*)>(_a[1]))); break;
        case 7: openTab((*reinterpret_cast< webPage*(*)>(_a[1]))); break;
        case 8: setFullScreen((*reinterpret_cast< bool(*)>(_a[1]))); break;
        case 9: startLoading(); break;
        case 10: finishLoading((*reinterpret_cast< bool(*)>(_a[1]))); break;
        case 11: changeTitle((*reinterpret_cast< QString(*)>(_a[1]))); break;
        case 12: changeUrl((*reinterpret_cast< QUrl(*)>(_a[1]))); break;
        case 13: goToHome(); break;
        case 14: loadUrl(); break;
        case 15: loadUrl((*reinterpret_cast< QUrl(*)>(_a[1]))); break;
        case 16: loadUrl((*reinterpret_cast< QString(*)>(_a[1]))); break;
        case 17: addToBookMark(); break;
        case 18: downloadFile((*reinterpret_cast< const QNetworkRequest(*)>(_a[1]))); break;
        case 19: downloadFile((*reinterpret_cast< QNetworkReply*(*)>(_a[1]))); break;
        case 20: loadBookMark(); break;
        case 21: showBookMark(); break;
        case 22: sources(); break;
        case 23: defineHome(); break;
        case 24: findNext(); break;
        case 25: findPrevious(); break;
        case 26: print(); break;
        case 27: createNewPage((*reinterpret_cast< WebView*(*)>(_a[1]))); break;
        case 28: createNewPage(); break;
        case 29: updateIcon(); break;
        case 30: copy(); break;
        case 31: authentification((*reinterpret_cast< QNetworkReply*(*)>(_a[1])),(*reinterpret_cast< QAuthenticator*(*)>(_a[2]))); break;
        case 32: inspectPage(); break;
        case 33: goToDial(); break;
        case 34: updateUrlIcon((*reinterpret_cast< QPixmap(*)>(_a[1]))); break;
        case 35: updateBookMark(); break;
        case 36: updateOptions(); break;
        case 37: showBar(); break;
        case 38: showPage(); break;
        case 39: showDial(); break;
        case 40: inCache(); break;
        case 41: showConsole(); break;
        case 42: zoomIn(); break;
        case 43: zoomOut(); break;
        case 44: restoreZoom(); break;
        case 45: savePage(); break;
        case 46: back(); break;
        case 47: forward(); break;
        default: ;
        }
        _id -= 48;
    }
    return _id;
}