Polish rich text example.

- Introduce Qt 5 signals & slot syntax.
- Use mime types in the file dialogs.
- Streamline the code creating the actions.
- Introduce QCommandLineParser.
- Query the available size when determining
  the initial size instead of using hard-coded values
  for High-DPI screens.

Change-Id: Ifc84a41ed55a4a674b6eafdb6120ac42441405b6
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
This commit is contained in:
Friedemann Kleint 2015-08-25 14:19:37 +02:00
parent fb60f225e6
commit fe1ea010b9
3 changed files with 196 additions and 221 deletions

View File

@ -32,15 +32,37 @@
****************************************************************************/
#include "textedit.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QCommandLineParser>
#include <QCommandLineOption>
int main(int argc, char *argv[])
{
Q_INIT_RESOURCE(textedit);
QApplication a(argc, argv);
QCoreApplication::setOrganizationName("QtProject");
QCoreApplication::setApplicationName("Rich Text");
QCoreApplication::setApplicationVersion(QT_VERSION_STR);
QCommandLineParser parser;
parser.setApplicationDescription(QCoreApplication::applicationName());
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument("file", "The file to open.");
parser.process(a);
TextEdit mw;
mw.resize(700, 800);
const QRect availableGeometry = QApplication::desktop()->availableGeometry(&mw);
mw.resize(availableGeometry.width() / 2, (availableGeometry.height() * 2) / 3);
mw.move((availableGeometry.width() - mw.width()) / 2,
(availableGeometry.height() - mw.height()) / 2);
if (!mw.load(parser.positionalArguments().value(0, QLatin1String(":/example.html"))))
mw.fileNew();
mw.show();
return a.exec();
}

View File

@ -45,6 +45,7 @@
#include <QMenuBar>
#include <QTextCodec>
#include <QTextEdit>
#include <QStatusBar>
#include <QToolBar>
#include <QTextCursor>
#include <QTextDocumentWriter>
@ -73,6 +74,14 @@ TextEdit::TextEdit(QWidget *parent)
#ifdef Q_OS_OSX
setUnifiedTitleAndToolBarOnMac(true);
#endif
setWindowTitle(QCoreApplication::applicationName());
textEdit = new QTextEdit(this);
connect(textEdit, &QTextEdit::currentCharFormatChanged,
this, &TextEdit::currentCharFormatChanged);
connect(textEdit, &QTextEdit::cursorPositionChanged,
this, &TextEdit::cursorPositionChanged);
setCentralWidget(textEdit);
setToolButtonStyle(Qt::ToolButtonFollowStyle);
setupFileActions();
@ -80,22 +89,11 @@ TextEdit::TextEdit(QWidget *parent)
setupTextActions();
{
QMenu *helpMenu = new QMenu(tr("Help"), this);
menuBar()->addMenu(helpMenu);
helpMenu->addAction(tr("About"), this, SLOT(about()));
helpMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
QMenu *helpMenu = menuBar()->addMenu(tr("Help"));
helpMenu->addAction(tr("About"), this, &TextEdit::about);
helpMenu->addAction(tr("About &Qt"), qApp, &QApplication::aboutQt);
}
textEdit = new QTextEdit(this);
connect(textEdit, SIGNAL(currentCharFormatChanged(QTextCharFormat)),
this, SLOT(currentCharFormatChanged(QTextCharFormat)));
connect(textEdit, SIGNAL(cursorPositionChanged()),
this, SLOT(cursorPositionChanged()));
setCentralWidget(textEdit);
textEdit->setFocus();
setCurrentFileName(QString());
QFont textFont("Helvetica");
textFont.setStyleHint(QFont::SansSerif);
textEdit->setFont(textFont);
@ -103,44 +101,29 @@ TextEdit::TextEdit(QWidget *parent)
colorChanged(textEdit->textColor());
alignmentChanged(textEdit->alignment());
connect(textEdit->document(), SIGNAL(modificationChanged(bool)),
actionSave, SLOT(setEnabled(bool)));
connect(textEdit->document(), SIGNAL(modificationChanged(bool)),
this, SLOT(setWindowModified(bool)));
connect(textEdit->document(), SIGNAL(undoAvailable(bool)),
actionUndo, SLOT(setEnabled(bool)));
connect(textEdit->document(), SIGNAL(redoAvailable(bool)),
actionRedo, SLOT(setEnabled(bool)));
connect(textEdit->document(), &QTextDocument::modificationChanged,
actionSave, &QAction::setEnabled);
connect(textEdit->document(), &QTextDocument::modificationChanged,
this, &QWidget::setWindowModified);
connect(textEdit->document(), &QTextDocument::undoAvailable,
actionUndo, &QAction::setEnabled);
connect(textEdit->document(), &QTextDocument::redoAvailable,
actionRedo, &QAction::setEnabled);
setWindowModified(textEdit->document()->isModified());
actionSave->setEnabled(textEdit->document()->isModified());
actionUndo->setEnabled(textEdit->document()->isUndoAvailable());
actionRedo->setEnabled(textEdit->document()->isRedoAvailable());
connect(actionUndo, SIGNAL(triggered()), textEdit, SLOT(undo()));
connect(actionRedo, SIGNAL(triggered()), textEdit, SLOT(redo()));
actionCut->setEnabled(false);
actionCopy->setEnabled(false);
connect(actionCut, SIGNAL(triggered()), textEdit, SLOT(cut()));
connect(actionCopy, SIGNAL(triggered()), textEdit, SLOT(copy()));
connect(actionPaste, SIGNAL(triggered()), textEdit, SLOT(paste()));
connect(textEdit, SIGNAL(copyAvailable(bool)), actionCut, SLOT(setEnabled(bool)));
connect(textEdit, SIGNAL(copyAvailable(bool)), actionCopy, SLOT(setEnabled(bool)));
#ifndef QT_NO_CLIPBOARD
connect(QApplication::clipboard(), SIGNAL(dataChanged()), this, SLOT(clipboardDataChanged()));
connect(QApplication::clipboard(), &QClipboard::dataChanged, this, &TextEdit::clipboardDataChanged);
#endif
QString initialFile = ":/example.html";
const QStringList args = QCoreApplication::arguments();
if (args.count() == 2)
initialFile = args.at(1);
if (!load(initialFile))
fileNew();
textEdit->setFocus();
setCurrentFileName(QString());
}
void TextEdit::closeEvent(QCloseEvent *e)
@ -153,116 +136,89 @@ void TextEdit::closeEvent(QCloseEvent *e)
void TextEdit::setupFileActions()
{
QToolBar *tb = new QToolBar(this);
tb->setWindowTitle(tr("File Actions"));
addToolBar(tb);
QToolBar *tb = addToolBar(tr("File Actions"));
QMenu *menu = menuBar()->addMenu(tr("&File"));
QMenu *menu = new QMenu(tr("&File"), this);
menuBar()->addMenu(menu);
QAction *a;
QIcon newIcon = QIcon::fromTheme("document-new", QIcon(rsrcPath + "/filenew.png"));
a = new QAction( newIcon, tr("&New"), this);
const QIcon newIcon = QIcon::fromTheme("document-new", QIcon(rsrcPath + "/filenew.png"));
QAction *a = menu->addAction(newIcon, tr("&New"), this, &TextEdit::fileNew);
tb->addAction(a);
a->setPriority(QAction::LowPriority);
a->setShortcut(QKeySequence::New);
connect(a, SIGNAL(triggered()), this, SLOT(fileNew()));
tb->addAction(a);
menu->addAction(a);
a = new QAction(QIcon::fromTheme("document-open", QIcon(rsrcPath + "/fileopen.png")),
tr("&Open..."), this);
const QIcon openIcon = QIcon::fromTheme("document-open", QIcon(rsrcPath + "/fileopen.png"));
a = menu->addAction(openIcon, tr("&Open..."), this, &TextEdit::fileOpen);
a->setShortcut(QKeySequence::Open);
connect(a, SIGNAL(triggered()), this, SLOT(fileOpen()));
tb->addAction(a);
menu->addAction(a);
menu->addSeparator();
actionSave = a = new QAction(QIcon::fromTheme("document-save", QIcon(rsrcPath + "/filesave.png")),
tr("&Save"), this);
a->setShortcut(QKeySequence::Save);
connect(a, SIGNAL(triggered()), this, SLOT(fileSave()));
a->setEnabled(false);
tb->addAction(a);
menu->addAction(a);
const QIcon saveIcon = QIcon::fromTheme("document-save", QIcon(rsrcPath + "/filesave.png"));
actionSave = menu->addAction(saveIcon, tr("&Save"), this, &TextEdit::fileSave);
actionSave->setShortcut(QKeySequence::Save);
actionSave->setEnabled(false);
tb->addAction(actionSave);
a = new QAction(tr("Save &As..."), this);
a = menu->addAction(tr("Save &As..."), this, &TextEdit::fileSaveAs);
a->setPriority(QAction::LowPriority);
connect(a, SIGNAL(triggered()), this, SLOT(fileSaveAs()));
menu->addAction(a);
menu->addSeparator();
#ifndef QT_NO_PRINTER
a = new QAction(QIcon::fromTheme("document-print", QIcon(rsrcPath + "/fileprint.png")),
tr("&Print..."), this);
const QIcon printIcon = QIcon::fromTheme("document-print", QIcon(rsrcPath + "/fileprint.png"));
a = menu->addAction(printIcon, tr("&Print..."), this, &TextEdit::filePrint);
a->setPriority(QAction::LowPriority);
a->setShortcut(QKeySequence::Print);
connect(a, SIGNAL(triggered()), this, SLOT(filePrint()));
tb->addAction(a);
menu->addAction(a);
a = new QAction(QIcon::fromTheme("fileprint", QIcon(rsrcPath + "/fileprint.png")),
tr("Print Preview..."), this);
connect(a, SIGNAL(triggered()), this, SLOT(filePrintPreview()));
menu->addAction(a);
const QIcon filePrintIcon = QIcon::fromTheme("fileprint", QIcon(rsrcPath + "/fileprint.png"));
menu->addAction(filePrintIcon, tr("Print Preview..."), this, &TextEdit::filePrintPreview);
a = new QAction(QIcon::fromTheme("exportpdf", QIcon(rsrcPath + "/exportpdf.png")),
tr("&Export PDF..."), this);
const QIcon exportPdfIcon = QIcon::fromTheme("exportpdf", QIcon(rsrcPath + "/exportpdf.png"));
a = menu->addAction(exportPdfIcon, tr("&Export PDF..."), this, &TextEdit::filePrintPdf);
a->setPriority(QAction::LowPriority);
a->setShortcut(Qt::CTRL + Qt::Key_D);
connect(a, SIGNAL(triggered()), this, SLOT(filePrintPdf()));
tb->addAction(a);
menu->addAction(a);
menu->addSeparator();
#endif
a = new QAction(tr("&Quit"), this);
a = menu->addAction(tr("&Quit"), this, &QWidget::close);
a->setShortcut(Qt::CTRL + Qt::Key_Q);
connect(a, SIGNAL(triggered()), this, SLOT(close()));
menu->addAction(a);
}
void TextEdit::setupEditActions()
{
QToolBar *tb = new QToolBar(this);
tb->setWindowTitle(tr("Edit Actions"));
addToolBar(tb);
QMenu *menu = new QMenu(tr("&Edit"), this);
menuBar()->addMenu(menu);
QToolBar *tb = addToolBar(tr("Edit Actions"));
QMenu *menu = menuBar()->addMenu(tr("&Edit"));
QAction *a;
a = actionUndo = new QAction(QIcon::fromTheme("edit-undo", QIcon(rsrcPath + "/editundo.png")),
tr("&Undo"), this);
a->setShortcut(QKeySequence::Undo);
tb->addAction(a);
menu->addAction(a);
a = actionRedo = new QAction(QIcon::fromTheme("edit-redo", QIcon(rsrcPath + "/editredo.png")),
tr("&Redo"), this);
a->setPriority(QAction::LowPriority);
a->setShortcut(QKeySequence::Redo);
tb->addAction(a);
menu->addAction(a);
const QIcon undoIcon = QIcon::fromTheme("edit-undo", QIcon(rsrcPath + "/editundo.png"));
actionUndo = menu->addAction(undoIcon, tr("&Undo"), textEdit, &QTextEdit::undo);
actionUndo->setShortcut(QKeySequence::Undo);
tb->addAction(actionUndo);
const QIcon redoIcon = QIcon::fromTheme("edit-redo", QIcon(rsrcPath + "/editredo.png"));
actionRedo = menu->addAction(redoIcon, tr("&Redo"), textEdit, &QTextEdit::redo);
actionRedo->setPriority(QAction::LowPriority);
actionRedo->setShortcut(QKeySequence::Redo);
tb->addAction(actionRedo);
menu->addSeparator();
a = actionCut = new QAction(QIcon::fromTheme("edit-cut", QIcon(rsrcPath + "/editcut.png")),
tr("Cu&t"), this);
a->setPriority(QAction::LowPriority);
a->setShortcut(QKeySequence::Cut);
tb->addAction(a);
menu->addAction(a);
a = actionCopy = new QAction(QIcon::fromTheme("edit-copy", QIcon(rsrcPath + "/editcopy.png")),
tr("&Copy"), this);
a->setPriority(QAction::LowPriority);
a->setShortcut(QKeySequence::Copy);
tb->addAction(a);
menu->addAction(a);
a = actionPaste = new QAction(QIcon::fromTheme("edit-paste", QIcon(rsrcPath + "/editpaste.png")),
tr("&Paste"), this);
a->setPriority(QAction::LowPriority);
a->setShortcut(QKeySequence::Paste);
tb->addAction(a);
menu->addAction(a);
const QIcon cutIcon = QIcon::fromTheme("edit-cut", QIcon(rsrcPath + "/editcut.png"));
actionCut = menu->addAction(cutIcon, tr("Cu&t"), textEdit, &QTextEdit::cut);
actionCut->setPriority(QAction::LowPriority);
actionCut->setShortcut(QKeySequence::Cut);
tb->addAction(actionCut);
const QIcon copyIcon = QIcon::fromTheme("edit-copy", QIcon(rsrcPath + "/editcopy.png"));
actionCopy = menu->addAction(copyIcon, tr("&Copy"), textEdit, &QTextEdit::copy);
actionCopy->setPriority(QAction::LowPriority);
actionCopy->setShortcut(QKeySequence::Copy);
tb->addAction(actionCopy);
const QIcon pasteIcon = QIcon::fromTheme("edit-paste", QIcon(rsrcPath + "/editpaste.png"));
actionPaste = menu->addAction(pasteIcon, tr("&Paste"), textEdit, &QTextEdit::paste);
actionPaste->setPriority(QAction::LowPriority);
actionPaste->setShortcut(QKeySequence::Paste);
tb->addAction(actionPaste);
#ifndef QT_NO_CLIPBOARD
if (const QMimeData *md = QApplication::clipboard()->mimeData())
actionPaste->setEnabled(md->hasText());
@ -271,110 +227,89 @@ void TextEdit::setupEditActions()
void TextEdit::setupTextActions()
{
QToolBar *tb = new QToolBar(this);
tb->setWindowTitle(tr("Format Actions"));
addToolBar(tb);
QToolBar *tb = addToolBar(tr("Format Actions"));
QMenu *menu = menuBar()->addMenu(tr("F&ormat"));
QMenu *menu = new QMenu(tr("F&ormat"), this);
menuBar()->addMenu(menu);
actionTextBold = new QAction(QIcon::fromTheme("format-text-bold", QIcon(rsrcPath + "/textbold.png")),
tr("&Bold"), this);
const QIcon boldIcon = QIcon::fromTheme("format-text-bold", QIcon(rsrcPath + "/textbold.png"));
actionTextBold = menu->addAction(boldIcon, tr("&Bold"), this, &TextEdit::textBold);
actionTextBold->setShortcut(Qt::CTRL + Qt::Key_B);
actionTextBold->setPriority(QAction::LowPriority);
QFont bold;
bold.setBold(true);
actionTextBold->setFont(bold);
connect(actionTextBold, SIGNAL(triggered()), this, SLOT(textBold()));
tb->addAction(actionTextBold);
menu->addAction(actionTextBold);
actionTextBold->setCheckable(true);
actionTextItalic = new QAction(QIcon::fromTheme("format-text-italic",
QIcon(rsrcPath + "/textitalic.png")),
tr("&Italic"), this);
const QIcon italicIcon = QIcon::fromTheme("format-text-italic", QIcon(rsrcPath + "/textitalic.png"));
actionTextItalic = menu->addAction(italicIcon, tr("&Italic"), this, &TextEdit::textItalic);
actionTextItalic->setPriority(QAction::LowPriority);
actionTextItalic->setShortcut(Qt::CTRL + Qt::Key_I);
QFont italic;
italic.setItalic(true);
actionTextItalic->setFont(italic);
connect(actionTextItalic, SIGNAL(triggered()), this, SLOT(textItalic()));
tb->addAction(actionTextItalic);
menu->addAction(actionTextItalic);
actionTextItalic->setCheckable(true);
actionTextUnderline = new QAction(QIcon::fromTheme("format-text-underline",
QIcon(rsrcPath + "/textunder.png")),
tr("&Underline"), this);
const QIcon underlineIcon = QIcon::fromTheme("format-text-underline", QIcon(rsrcPath + "/textunder.png"));
actionTextUnderline = menu->addAction(underlineIcon, tr("&Underline"), this, &TextEdit::textUnderline);
actionTextUnderline->setShortcut(Qt::CTRL + Qt::Key_U);
actionTextUnderline->setPriority(QAction::LowPriority);
QFont underline;
underline.setUnderline(true);
actionTextUnderline->setFont(underline);
connect(actionTextUnderline, SIGNAL(triggered()), this, SLOT(textUnderline()));
tb->addAction(actionTextUnderline);
menu->addAction(actionTextUnderline);
actionTextUnderline->setCheckable(true);
menu->addSeparator();
QActionGroup *grp = new QActionGroup(this);
connect(grp, SIGNAL(triggered(QAction*)), this, SLOT(textAlign(QAction*)));
// Make sure the alignLeft is always left of the alignRight
if (QApplication::isLeftToRight()) {
actionAlignLeft = new QAction(QIcon::fromTheme("format-justify-left",
QIcon(rsrcPath + "/textleft.png")),
tr("&Left"), grp);
actionAlignCenter = new QAction(QIcon::fromTheme("format-justify-center",
QIcon(rsrcPath + "/textcenter.png")),
tr("C&enter"), grp);
actionAlignRight = new QAction(QIcon::fromTheme("format-justify-right",
QIcon(rsrcPath + "/textright.png")),
tr("&Right"), grp);
} else {
actionAlignRight = new QAction(QIcon::fromTheme("format-justify-right",
QIcon(rsrcPath + "/textright.png")),
tr("&Right"), grp);
actionAlignCenter = new QAction(QIcon::fromTheme("format-justify-center",
QIcon(rsrcPath + "/textcenter.png")),
tr("C&enter"), grp);
actionAlignLeft = new QAction(QIcon::fromTheme("format-justify-left",
QIcon(rsrcPath + "/textleft.png")),
tr("&Left"), grp);
}
actionAlignJustify = new QAction(QIcon::fromTheme("format-justify-fill",
QIcon(rsrcPath + "/textjustify.png")),
tr("&Justify"), grp);
const QIcon leftIcon = QIcon::fromTheme("format-justify-left", QIcon(rsrcPath + "/textleft.png"));
actionAlignLeft = new QAction(leftIcon, tr("&Left"), this);
actionAlignLeft->setShortcut(Qt::CTRL + Qt::Key_L);
actionAlignLeft->setCheckable(true);
actionAlignLeft->setPriority(QAction::LowPriority);
const QIcon centerIcon = QIcon::fromTheme("format-justify-center", QIcon(rsrcPath + "/textcenter.png"));
actionAlignCenter = new QAction(centerIcon, tr("C&enter"), this);
actionAlignCenter->setShortcut(Qt::CTRL + Qt::Key_E);
actionAlignCenter->setCheckable(true);
actionAlignCenter->setPriority(QAction::LowPriority);
const QIcon rightIcon = QIcon::fromTheme("format-justify-right", QIcon(rsrcPath + "/textright.png"));
actionAlignRight = new QAction(rightIcon, tr("&Right"), this);
actionAlignRight->setShortcut(Qt::CTRL + Qt::Key_R);
actionAlignRight->setCheckable(true);
actionAlignRight->setPriority(QAction::LowPriority);
const QIcon fillIcon = QIcon::fromTheme("format-justify-fill", QIcon(rsrcPath + "/textjustify.png"));
actionAlignJustify = new QAction(fillIcon, tr("&Justify"), this);
actionAlignJustify->setShortcut(Qt::CTRL + Qt::Key_J);
actionAlignJustify->setCheckable(true);
actionAlignJustify->setPriority(QAction::LowPriority);
tb->addActions(grp->actions());
menu->addActions(grp->actions());
// Make sure the alignLeft is always left of the alignRight
QActionGroup *alignGroup = new QActionGroup(this);
connect(alignGroup, &QActionGroup::triggered, this, &TextEdit::textAlign);
if (QApplication::isLeftToRight()) {
alignGroup->addAction(actionAlignLeft);
alignGroup->addAction(actionAlignCenter);
alignGroup->addAction(actionAlignRight);
} else {
alignGroup->addAction(actionAlignRight);
alignGroup->addAction(actionAlignCenter);
alignGroup->addAction(actionAlignLeft);
}
alignGroup->addAction(actionAlignJustify);
tb->addActions(alignGroup->actions());
menu->addActions(alignGroup->actions());
menu->addSeparator();
QPixmap pix(16, 16);
pix.fill(Qt::black);
actionTextColor = new QAction(pix, tr("&Color..."), this);
connect(actionTextColor, SIGNAL(triggered()), this, SLOT(textColor()));
actionTextColor = menu->addAction(pix, tr("&Color..."), this, &TextEdit::textColor);
tb->addAction(actionTextColor);
menu->addAction(actionTextColor);
tb = new QToolBar(this);
tb = addToolBar(tr("Format Actions"));
tb->setAllowedAreas(Qt::TopToolBarArea | Qt::BottomToolBarArea);
tb->setWindowTitle(tr("Format Actions"));
addToolBarBreak(Qt::TopToolBarArea);
addToolBar(tb);
@ -389,24 +324,26 @@ void TextEdit::setupTextActions()
comboStyle->addItem("Ordered List (Alpha upper)");
comboStyle->addItem("Ordered List (Roman lower)");
comboStyle->addItem("Ordered List (Roman upper)");
connect(comboStyle, SIGNAL(activated(int)), this, SLOT(textStyle(int)));
typedef void (QComboBox::*QComboIntSignal)(int);
connect(comboStyle, static_cast<QComboIntSignal>(&QComboBox::activated), this, &TextEdit::textStyle);
typedef void (QComboBox::*QComboStringSignal)(const QString &);
comboFont = new QFontComboBox(tb);
tb->addWidget(comboFont);
connect(comboFont, SIGNAL(activated(QString)), this, SLOT(textFamily(QString)));
connect(comboFont, static_cast<QComboStringSignal>(&QComboBox::activated), this, &TextEdit::textFamily);
comboSize = new QComboBox(tb);
comboSize->setObjectName("comboSize");
tb->addWidget(comboSize);
comboSize->setEditable(true);
QFontDatabase db;
foreach(int size, db.standardSizes())
const QList<int> standardSizes = QFontDatabase::standardSizes();
foreach (int size, standardSizes)
comboSize->addItem(QString::number(size));
comboSize->setCurrentIndex(standardSizes.indexOf(QApplication::font().pointSize()));
connect(comboSize, SIGNAL(activated(QString)), this, SLOT(textSize(QString)));
comboSize->setCurrentIndex(comboSize->findText(QString::number(QApplication::font()
.pointSize())));
connect(comboSize, static_cast<QComboStringSignal>(&QComboBox::activated), this, &TextEdit::textSize);
}
bool TextEdit::load(const QString &f)
@ -436,11 +373,11 @@ bool TextEdit::maybeSave()
if (!textEdit->document()->isModified())
return true;
QMessageBox::StandardButton ret;
ret = QMessageBox::warning(this, tr("Application"),
tr("The document has been modified.\n"
"Do you want to save your changes?"),
QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
const QMessageBox::StandardButton ret =
QMessageBox::warning(this, QCoreApplication::applicationName(),
tr("The document has been modified.\n"
"Do you want to save your changes?"),
QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
if (ret == QMessageBox::Save)
return fileSave();
else if (ret == QMessageBox::Cancel)
@ -459,7 +396,7 @@ void TextEdit::setCurrentFileName(const QString &fileName)
else
shownName = QFileInfo(fileName).fileName();
setWindowTitle(tr("%1[*] - %2").arg(shownName).arg(tr("Rich Text")));
setWindowTitle(tr("%1[*] - %2").arg(shownName, QCoreApplication::applicationName()));
setWindowModified(false);
}
@ -473,10 +410,17 @@ void TextEdit::fileNew()
void TextEdit::fileOpen()
{
QString fn = QFileDialog::getOpenFileName(this, tr("Open File..."),
QString(), tr("HTML-Files (*.htm *.html);;All Files (*)"));
if (!fn.isEmpty())
load(fn);
QFileDialog fileDialog(this, tr("Open File..."));
fileDialog.setAcceptMode(QFileDialog::AcceptOpen);
fileDialog.setFileMode(QFileDialog::ExistingFile);
fileDialog.setMimeTypeFilters(QStringList() << "text/html" << "text/plain");
if (fileDialog.exec() != QDialog::Accepted)
return;
const QString fn = fileDialog.selectedFiles().first();
if (load(fn))
statusBar()->showMessage(tr("Opened \"%1\"").arg(QDir::toNativeSeparators(fn)));
else
statusBar()->showMessage(tr("Could not open \"%1\"").arg(QDir::toNativeSeparators(fn)));
}
bool TextEdit::fileSave()
@ -488,23 +432,27 @@ bool TextEdit::fileSave()
QTextDocumentWriter writer(fileName);
bool success = writer.write(textEdit->document());
if (success)
if (success) {
textEdit->document()->setModified(false);
statusBar()->showMessage(tr("Wrote \"%1\"").arg(QDir::toNativeSeparators(fileName)));
} else {
statusBar()->showMessage(tr("Could not write to file \"%1\"")
.arg(QDir::toNativeSeparators(fileName)));
}
return success;
}
bool TextEdit::fileSaveAs()
{
QString fn = QFileDialog::getSaveFileName(this, tr("Save as..."), QString(),
tr("ODF files (*.odt);;HTML-Files "
"(*.htm *.html);;All Files (*)"));
if (fn.isEmpty())
QFileDialog fileDialog(this, tr("Save as..."));
fileDialog.setAcceptMode(QFileDialog::AcceptSave);
QStringList mimeTypes;
mimeTypes << "application/vnd.oasis.opendocument.text" << "text/html" << "text/plain";
fileDialog.setMimeTypeFilters(mimeTypes);
fileDialog.setDefaultSuffix("odt");
if (fileDialog.exec() != QDialog::Accepted)
return false;
if (!(fn.endsWith(".odt", Qt::CaseInsensitive)
|| fn.endsWith(".htm", Qt::CaseInsensitive)
|| fn.endsWith(".html", Qt::CaseInsensitive))) {
fn += ".odt"; // default
}
const QString fn = fileDialog.selectedFiles().first();
setCurrentFileName(fn);
return fileSave();
}
@ -528,7 +476,7 @@ void TextEdit::filePrintPreview()
#if !defined(QT_NO_PRINTER) && !defined(QT_NO_PRINTDIALOG)
QPrinter printer(QPrinter::HighResolution);
QPrintPreviewDialog preview(&printer, this);
connect(&preview, SIGNAL(paintRequested(QPrinter*)), SLOT(printPreview(QPrinter*)));
connect(&preview, &QPrintPreviewDialog::paintRequested, this, &TextEdit::printPreview);
preview.exec();
#endif
}
@ -547,16 +495,19 @@ void TextEdit::filePrintPdf()
{
#ifndef QT_NO_PRINTER
//! [0]
QString fileName = QFileDialog::getSaveFileName(this, "Export PDF",
QString(), "*.pdf");
if (!fileName.isEmpty()) {
if (QFileInfo(fileName).suffix().isEmpty())
fileName.append(".pdf");
QPrinter printer(QPrinter::HighResolution);
printer.setOutputFormat(QPrinter::PdfFormat);
printer.setOutputFileName(fileName);
textEdit->document()->print(&printer);
}
QFileDialog fileDialog(this, tr("Export PDF"));
fileDialog.setAcceptMode(QFileDialog::AcceptSave);
fileDialog.setMimeTypeFilters(QStringList("application/pdf"));
fileDialog.setDefaultSuffix("pdf");
if (fileDialog.exec() != QDialog::Accepted)
return;
QString fileName = fileDialog.selectedFiles().first();
QPrinter printer(QPrinter::HighResolution);
printer.setOutputFormat(QPrinter::PdfFormat);
printer.setOutputFileName(fileName);
textEdit->document()->print(&printer);
statusBar()->showMessage(tr("Exported \"%1\"")
.arg(QDir::toNativeSeparators(fileName)));
//! [0]
#endif
}

View File

@ -55,19 +55,15 @@ class TextEdit : public QMainWindow
public:
TextEdit(QWidget *parent = 0);
bool load(const QString &f);
public slots:
void fileNew();
protected:
virtual void closeEvent(QCloseEvent *e) Q_DECL_OVERRIDE;
private:
void setupFileActions();
void setupEditActions();
void setupTextActions();
bool load(const QString &f);
bool maybeSave();
void setCurrentFileName(const QString &fileName);
private slots:
void fileNew();
void fileOpen();
bool fileSave();
bool fileSaveAs();
@ -92,6 +88,12 @@ private slots:
void printPreview(QPrinter *);
private:
void setupFileActions();
void setupEditActions();
void setupTextActions();
bool maybeSave();
void setCurrentFileName(const QString &fileName);
void mergeFormatOnWordOrSelection(const QTextCharFormat &format);
void fontChanged(const QFont &f);
void colorChanged(const QColor &c);