WPS字體格式

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mainwindow.h

#ifndef MAINWINDOW_H #define MAINWINDOW_H#include <QMainWindow> #include "childwnd.h" #include <QSignalMapper> #include <QWidget> #include <QMdiSubWindow>namespace Ui { class MainWindow; }class MainWindow : public QMainWindow {Q_OBJECTpublic:explicit MainWindow(QWidget *parent = 0);~MainWindow();void initMainWindow();void docNew();void docOpen();void docSave();void docSaveAs();void docUndo();void docRedo();void docCut();void docCopy();void docPaste();void textBold();void textItalic();void textUnderline();private slots:void on_newAction_triggered();void refreshMenus();void addSubWndListMenu();void on_closeAction_triggered();void on_closeAllAction_triggered();void on_titleAction_triggered();void on_cascadeAction_triggered();void on_nextAction_triggered();void on_previousAction_triggered();void setActiveSubWindow(QWidget *wnd);void on_openAction_triggered();void on_saveAction_triggered();void on_saveAsAction_triggered();void on_undoAction_triggered();void on_redoAction_triggered();void on_cutAction_triggered();void on_copyAction_triggered();void on_pasteAction_triggered();void on_boldAction_triggered();void on_italicAction_triggered();void on_underlineAction_triggered();protected:void closeEvent(QCloseEvent *event);private:void formatEnabled();ChildWnd* activateChildWnd();QMdiSubWindow *findChildWnd(const QString& docName);private:Ui::MainWindow *ui;QSignalMapper *m_WndMapper; //信號映射器};#endif // MAINWINDOW_H

mainwindow.cpp

#include "mainwindow.h" #include "ui_mainwindow.h" #include "childwnd.h" #include <QFontDatabase> #include <QMdiSubWindow> #include <QCloseEvent> #include <QFileDialog>MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow) {ui->setupUi(this);initMainWindow(); }MainWindow::~MainWindow() {delete ui; }void MainWindow::initMainWindow() {//初始化字號列表項QFontDatabase fontdb;foreach(int fontsize, fontdb.standardSizes()){ui->sizeComboBox->addItem(QString::number(fontsize));}QFont defFont; //當前應用程序默認的字體QString sFontSize;int defFontSize; //當前應用程序默認字體的字號int defFontindex; //當前字號在組合框中的索引號defFont = QApplication::font();defFontSize = defFont.pointSize();sFontSize = QString::number(defFontSize);defFontindex = ui->sizeComboBox->findText(sFontSize);ui->sizeComboBox->setCurrentIndex(defFontindex);//設置多文檔區域滾動條ui->mdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);ui->mdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);refreshMenus();connect(ui->mdiArea, &QMdiArea::subWindowActivated, this, &MainWindow::refreshMenus);addSubWndListMenu();connect(ui->menu_W, &QMenu::aboutToShow, this, &MainWindow::addSubWndListMenu);//創建信號映射器m_WndMapper = new QSignalMapper(this);connect(m_WndMapper, SIGNAL(mapped(QWidget*)), this, SLOT(setActiveSubWindow(QWidget*)));}void MainWindow::docNew() {ChildWnd* childwnd = new ChildWnd;ui->mdiArea->addSubWindow(childwnd);connect(childwnd, SIGNAL(copyAvailable(bool)), ui->cutAction, SLOT(setEnabled(bool)));connect(childwnd, SIGNAL(copyAvailable(bool)), ui->copyAction, SLOT(setEnabled(bool)));childwnd->newDoc();childwnd->show();formatEnabled(); }void MainWindow::docOpen() {QString docName = QFileDialog::getOpenFileName(this, "打開文檔", "", "文本文件(*.txt);;HTML文件(*.html *.htm);;所有文件(*.*)");if (!docName.isEmpty()){QMdiSubWindow *existWnd = findChildWnd(docName);if (existWnd){ui->mdiArea->setActiveSubWindow(existWnd);return;}ChildWnd *childWnd = new ChildWnd;ui->mdiArea->addSubWindow(childWnd);connect(childWnd, SIGNAL(copyAvailable(bool)), ui->cutAction, SLOT(setEnabled(bool)));connect(childWnd, SIGNAL(copyAvailable(bool)), ui->copyAction, SLOT(setEnabled(bool)));if (childWnd->loadDoc(docName)){statusBar()->showMessage("文檔已打開", 3000);childWnd->show();formatEnabled();}else{childWnd->close();}} }void MainWindow::docSave() {if (activateChildWnd() && activateChildWnd()->saveDoc()){statusBar()->showMessage("保存成功", 3000);} }void MainWindow::docSaveAs() {if (activateChildWnd() && activateChildWnd()->saveAsDoc()){statusBar()->showMessage("保存成功", 3000);} }void MainWindow::docUndo() {if (activateChildWnd()){activateChildWnd()->undo();} }void MainWindow::docRedo() {if (activateChildWnd())activateChildWnd()->redo(); }void MainWindow::docCut() {if (activateChildWnd())activateChildWnd()->cut(); }void MainWindow::docCopy() {if (activateChildWnd())activateChildWnd()->copy(); }void MainWindow::docPaste() {if (activateChildWnd())activateChildWnd()->paste(); }void MainWindow::textBold() {QTextCharFormat fmt;fmt.setFontWeight(ui->boldAction->isCheckable() ? QFont::Bold : QFont::Normal);if (activateChildWnd())activateChildWnd()->setFormatOnSelectedWord(fmt); }void MainWindow::textItalic() {QTextCharFormat fmt;fmt.setFontItalic(ui->italicAction->isChecked());if (activateChildWnd()){activateChildWnd()->setFormatOnSelectedWord(fmt);} }void MainWindow::textUnderline() {QTextCharFormat fmt;fmt.setFontUnderline(ui->underlineAction->isChecked());if (activateChildWnd()){activateChildWnd()->setFormatOnSelectedWord(fmt);} }void MainWindow::on_newAction_triggered() {docNew(); }void MainWindow::refreshMenus() {bool hasChild;hasChild = (activateChildWnd() != 0);ui->saveAction->setEnabled(hasChild);ui->saveAsAction->setEnabled(hasChild);ui->printAction->setEnabled(hasChild);ui->printPreviewAction->setEnabled(hasChild);ui->pasteAction->setEnabled(hasChild);ui->closeAction->setEnabled(hasChild);ui->closeAllAction->setEnabled(hasChild);ui->titleAction->setEnabled(hasChild);ui->cascadeAction->setEnabled(hasChild);ui->nextAction->setEnabled(hasChild);ui->previousAction->setEnabled(hasChild);//文檔打開且有內容選中bool hasSelect = ( activateChildWnd() && activateChildWnd()->textCursor().hasSelection() );ui->cutAction->setEnabled(hasSelect);ui->copyAction->setEnabled(hasSelect);ui->boldAction->setEnabled(hasSelect);ui->italicAction->setEnabled(hasSelect);ui->underlineAction->setEnabled(hasSelect);ui->leftAlignAction->setEnabled(hasSelect);ui->centerAction->setEnabled(hasSelect);ui->rightlignAction->setEnabled(hasSelect);ui->justifyAction->setEnabled(hasSelect);ui->colorAction->setEnabled(hasSelect);}void MainWindow::addSubWndListMenu() {ui->menu_W->clear();ui->menu_W->addAction(ui->closeAction);ui->menu_W->addAction(ui->closeAllAction);ui->menu_W->addSeparator();ui->menu_W->addAction(ui->titleAction);ui->menu_W->addAction(ui->cascadeAction);ui->menu_W->addSeparator();ui->menu_W->addAction(ui->nextAction);ui->menu_W->addAction(ui->previousAction);QList<QMdiSubWindow*> wnds = ui->mdiArea->subWindowList();if (!wnds.isEmpty()) ui->menu_W->addSeparator();for (int i = 0; i < wnds.size(); ++i){ChildWnd *childWnd = qobject_cast<ChildWnd*>(wnds.at(i)->widget());QString menuitem_text;menuitem_text = QString("%1 %2").arg(i+1).arg(childWnd->getCurDocName());QAction *menuitem_act = ui->menu_W->addAction(menuitem_text);menuitem_act->setCheckable(true);menuitem_act->setChecked(childWnd == activateChildWnd());connect(menuitem_act, SIGNAL(triggered(bool)), m_WndMapper, SLOT(map()));m_WndMapper->setMapping(menuitem_act, wnds.at(i));}formatEnabled(); }void MainWindow::formatEnabled() {ui->boldAction->setEnabled(true);ui->italicAction->setEnabled(true);ui->underlineAction->setEnabled(true);ui->leftAlignAction->setEnabled(true);ui->centerAction->setEnabled(true);ui->rightlignAction->setEnabled(true);ui->justifyAction->setEnabled(true);ui->colorAction->setEnabled(true); }ChildWnd *MainWindow::activateChildWnd() {QMdiSubWindow* actWnd = ui->mdiArea->activeSubWindow();if (actWnd)return qobject_cast<ChildWnd*>(actWnd->widget());elsereturn 0; }QMdiSubWindow *MainWindow::findChildWnd(const QString &docName) {QString strFile = QFileInfo(docName).canonicalFilePath();foreach(QMdiSubWindow *subWnd, ui->mdiArea->subWindowList()){ChildWnd *chilWnd = qobject_cast<ChildWnd*>(subWnd->widget());if (chilWnd->m_CurDocPath == strFile) return subWnd;}return 0; }//QMdiSubWindow *MainWindow::findChild(const QString &docName) //{ // QString strFile = QFileInfo(docName).canonicalFilePath(); // foreach(QMdiSubWindow *subWnd, ui->mdiArea->subWindowList()) // { // ChildWnd *chilWnd = qobject_cast<ChildWnd*>(subWnd->widget()); // if (chilWnd->m_CurDocPath == strFile) return subWnd; // }// return 0; //}void MainWindow::on_closeAction_triggered() {ui->mdiArea->closeActiveSubWindow(); }void MainWindow::on_closeAllAction_triggered() {ui->mdiArea->closeAllSubWindows(); }void MainWindow::on_titleAction_triggered() {ui->mdiArea->tileSubWindows(); }void MainWindow::on_cascadeAction_triggered() {ui->mdiArea->cascadeSubWindows(); }void MainWindow::on_nextAction_triggered() {ui->mdiArea->activateNextSubWindow(); }void MainWindow::on_previousAction_triggered() {ui->mdiArea->activatePreviousSubWindow(); }void MainWindow::setActiveSubWindow(QWidget *wnd) {if (!wnd) return;ui->mdiArea->setActiveSubWindow(qobject_cast<QMdiSubWindow*>(wnd));}void MainWindow::closeEvent(QCloseEvent *event) {ui->mdiArea->closeAllSubWindows();if (ui->mdiArea->currentSubWindow())event->ignore(); //忽略此事件elseevent->accept(); //接收此事件}void MainWindow::on_openAction_triggered() {docOpen(); }void MainWindow::on_saveAction_triggered() {docSave(); }void MainWindow::on_saveAsAction_triggered() {docSaveAs(); }void MainWindow::on_undoAction_triggered() {docUndo(); }void MainWindow::on_redoAction_triggered() {docRedo(); }void MainWindow::on_cutAction_triggered() {docCut(); }void MainWindow::on_copyAction_triggered() {docCopy(); }void MainWindow::on_pasteAction_triggered() {docPaste(); }void MainWindow::on_boldAction_triggered() {textBold(); }void MainWindow::on_italicAction_triggered() {textItalic(); }void MainWindow::on_underlineAction_triggered() {textUnderline(); }

chidwnd.h

#ifndef CHILDWND_H #define CHILDWND_H #include <QTextEdit>class ChildWnd : public QTextEdit {Q_OBJECT public:ChildWnd();QString m_CurDocPath; //當前文檔路徑void newDoc(); //新建文檔QString getCurDocName(); //文檔路徑中提取文檔名bool loadDoc(const QString& docName);void setCurDoc(const QString &docName);bool saveDoc();bool saveAsDoc();bool saveDocOpt(QString docName);void setFormatOnSelectedWord(const QTextCharFormat &fmt);protected:void closeEvent(QCloseEvent *event);private:bool promptSave();public slots:void docBeModified(); //文檔修改時, 窗口的標題欄加 *private:bool m_bSaved; //文檔是否保存};#endif // CHILDWND_H

childwnd.cpp

#include "childwnd.h" #include <QFileInfo> #include <QFileDialog> #include <QTextDocumentWriter> #include <QMessageBox> #include <QCloseEvent>ChildWnd::ChildWnd() {//子窗口關閉時銷毀該類的示例對象setAttribute(Qt::WA_DeleteOnClose);m_bSaved = false; }void ChildWnd::newDoc() {static int wndSepNum = 1;m_CurDocPath = QString("WPS 文檔%1").arg(wndSepNum++);//設置窗體標題, 文檔改動后名稱后加 "*" 號標識setWindowTitle(m_CurDocPath + "[*]" + " - MyWPs");connect(document(), SIGNAL(contentsChanged()), this, SLOT(docBeModified())); }QString ChildWnd::getCurDocName() {return QFileInfo(m_CurDocPath).fileName(); }bool ChildWnd::loadDoc(const QString &docName) {if (!docName.isEmpty()){QFile file(docName);if (!file.exists()) return false;if (!file.open(QFile::ReadOnly)) return false;QByteArray text = file.readAll();if (Qt::mightBeRichText(text))setHtml(text);elsesetPlainText(text);setCurDoc(docName);connect(document(), SIGNAL(contentsChanged()), this, SLOT(docBeModified()));return true;} }void ChildWnd::setCurDoc(const QString &docName) {//canonicalFilePath() 返回標準名稱路徑, 可以過濾"." ".."m_CurDocPath = QFileInfo(docName).canonicalFilePath();m_bSaved = true; //文檔以備保存document()->setModified(false); //文檔未改動setWindowModified(false); //窗口不顯示改動標識setWindowTitle(getCurDocName() + "[*]"); //設置子窗口標題 }bool ChildWnd::saveDoc() {if (m_bSaved) return saveDocOpt(m_CurDocPath);else saveAsDoc(); }bool ChildWnd::saveAsDoc() {QString docName = QFileDialog::getSaveFileName(this, "另存為", m_CurDocPath, "HTML文檔 (*.html *.html);;所有文件(*.*)");if (docName.isEmpty()) return false;else return saveDocOpt(docName); }bool ChildWnd::saveDocOpt(QString docName) {if ( !(docName.endsWith(".htm", Qt::CaseInsensitive) || docName.endsWith(".html", Qt::CaseInsensitive)) ){docName += ".html";}QTextDocumentWriter writer(docName);bool isSuccess = writer.write(this->document());if (isSuccess) setCurDoc(docName);return isSuccess; }void ChildWnd::setFormatOnSelectedWord(const QTextCharFormat &fmt) {QTextCursor tcursor = textCursor();if (!tcursor.hasSelection()) tcursor.select(QTextCursor::WordUnderCursor);tcursor.mergeCharFormat(fmt);mergeCurrentCharFormat(fmt);}void ChildWnd::closeEvent(QCloseEvent *event) {if (promptSave()){event->accept();}else{event->ignore();}}bool ChildWnd::promptSave() {if (! document()->isModified()) return true;QMessageBox::StandardButton result;result = QMessageBox::warning(this, QString("系統提示"), QString("文檔%1已保存, 是否保存?").arg(getCurDocName()),QMessageBox::Yes | QMessageBox::Discard | QMessageBox::No);if (result == QMessageBox::Yes)return saveDoc();else if (result == QMessageBox::No)return false;return true;}void ChildWnd::docBeModified() {setWindowModified(document()->isModified()); }

main.cpp

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時間: 2020-08-10

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