#include <QtGui>#include <QDebug>#include <QtCore>#include "mainwindow.h"#include "findfileform.h"#include "mditextedit.h"CMainWindow::CMainWindow(QWidget* parent) :	QMainWindow(parent){	setupUi(this);		workspace = new QWorkspace;	mdiArea = new QMdiArea;	setCentralWidget(mdiArea);		connect(mdiArea, SIGNAL(subWindowActivated(QMdiSubWindow *)),             this, SLOT(updateMenu()));		iniDockWidget();	iniStatusBar();	iniConnect();		updateRecentFiles();	updateMenu();		showMaximized();	showCount(0);	}void CMainWindow::iniDockWidget(){	CFindFileForm* findFileForm = new CFindFileForm;	dockWidget = new QDockWidget(tr("查找文件"), this);	dockWidget->setAllowedAreas(Qt::RightDockWidgetArea);	dockWidget->setFeatures(QDockWidget::AllDockWidgetFeatures);	dockWidget->setFloating(false);	dockWidget->setWidget(findFileForm);	dockWidget->setVisible(false);		addDockWidget(Qt::RightDockWidgetArea, dockWidget);}void CMainWindow::iniStatusBar(){	QStatusBar* bar = statusBar();	label1 = new QLabel;	label1->setMinimumSize(200, 25);	label1->setFrameShadow(QFrame::Sunken);	label1->setFrameShape(QFrame::WinPanel);	label2 = new QLabel;		label2->setMinimumSize(200, 25);	label2->setFrameShadow(QFrame::Sunken);	label2->setFrameShape(QFrame::WinPanel);	bar->addWidget(label1);	bar->addWidget(label2);}void CMainWindow::iniConnect(){	connect(actNew, SIGNAL(triggered()), this, SLOT(doNew()));	connect(actOpen, SIGNAL(triggered()), this, SLOT(doOpen()));	connect(actClose, SIGNAL(triggered()), this, SLOT(doClose()));	connect(actSave, SIGNAL(triggered()), this, SLOT(doSave()));	connect(actASave, SIGNAL(triggered()), this, SLOT(doASave()));	connect(actQuit, SIGNAL(triggered()), this, SLOT(doQuit()));	connect(actUndo, SIGNAL(triggered()), this, SLOT(doUndo()));	connect(actCut, SIGNAL(triggered()), this, SLOT(doCut()));	connect(actCopy, SIGNAL(triggered()), this, SLOT(doCopy()));	connect(actPaste, SIGNAL(triggered()), this, SLOT(doPast()));	connect(actAll, SIGNAL(triggered()), this, SLOT(doAll()));	connect(actFind, SIGNAL(triggered()), this, SLOT(doFind()));		separatorAct = menu_F->insertSeparator(actQuit);	separatorAct->setVisible(false);	for (int i = 0; i < 9; ++i) 	{         recentFileActs[i] = new QAction(this);		 menu_F->insertAction(separatorAct, recentFileActs[i]);         recentFileActs[i]->setVisible(false);         connect(recentFileActs[i], SIGNAL(triggered()),                 this, SLOT(openRecentFile()));     }}void CMainWindow::doFind(){	dockWidget->show();	dockWidget->setFloating(false);}void CMainWindow::doNew(){	static int sequenceNum = 1;	CMDITextEdit* textEdit 		= createMDITextEdit(true, tr("untitled%1").arg(sequenceNum++));	QMdiSubWindow* subWindow = mdiArea->addSubWindow(textEdit);	subWindow->show();}void CMainWindow::doOpen(){	QString fileName = QFileDialog::getOpenFileName(this);	if (!fileName.isEmpty()) 	{				QWidgetList list = workspace->windowList();		for(int i=0; i<list.count(); i++)		{			CMDITextEdit* textEdit = 				qobject_cast<CMDITextEdit*>(list[i]);			if(textEdit->fileName() == fileName)			{				workspace->setActiveWindow(textEdit);				return ;			}		}		CMDITextEdit* textEdit 			= createMDITextEdit(false, fileName);		if (textEdit->loadFile(fileName)) 		{						label2->setText(tr("已經(jīng)讀取"));		}		textEdit->setVisible(true);	}	}void CMainWindow::doClose(){	activeWindow()->close();	}void CMainWindow::doSave(){	activeWindow()->save();}void CMainWindow::doASave(){	activeWindow()->saveAs();	 }void CMainWindow::doQuit(){	QWidgetList list = workspace->windowList();	for(int i=0; i<list.count(); i++)	{		CMDITextEdit* textEdit = 			qobject_cast<CMDITextEdit*>(list[i]);		textEdit->close();	}	qApp->quit();}void CMainWindow::doUndo(){	activeWindow()->undo();}void CMainWindow::doCut(){	activeWindow()->cut();}void CMainWindow::doCopy(){	activeWindow()->copy();}void CMainWindow::doPast(){	activeWindow()->paste();}void CMainWindow::doAll(){	activeWindow()->selectAll();}void CMainWindow::openRecentFile(){	QAction *action = qobject_cast<QAction *>(sender());	if (action)	{		QString fileName = action->data().toString();		CMDITextEdit* textEdit 			= createMDITextEdit(false, fileName);		textEdit->loadFile(fileName);			textEdit->setVisible(true);		}}void CMainWindow::updateRecentFiles(){	QSettings settings("709", "MDI example");	QStringList files = settings.value("recentFiles").toStringList();	int numRecentFiles = qMin(files.size(), (int)9);	for (int i = 0; i < numRecentFiles; ++i) 	{		QString text = tr("&%1 %2").arg(i + 1).arg(files[i]);		recentFileActs[i]->setText(text);		recentFileActs[i]->setData(files[i]);		recentFileActs[i]->setVisible(true);	}	for (int i = numRecentFiles; i < 9; ++i)		recentFileActs[i]->setVisible(false);	separatorAct->setVisible(numRecentFiles > 0);}CMDITextEdit* CMainWindow::activeWindow (){	CMDITextEdit* textEdit 		= qobject_cast<CMDITextEdit*>(workspace->activeWindow());	return textEdit;	}void CMainWindow::updateMenu(){	bool hasChild = (activeWindow() != 0);	actSave->setEnabled(hasChild);	actASave->setEnabled(hasChild);	actPaste->setEnabled(hasChild);	actClose->setEnabled(hasChild);	actUndo->setEnabled(hasChild);	actCut->setEnabled(hasChild);		bool selected = (activeWindow() 		&& activeWindow()->textCursor().hasSelection());	actCut->setEnabled(selected);	actCopy->setEnabled(selected);}CMDITextEdit* CMainWindow::createMDITextEdit(bool untitled, const QString& fileName){	CMDITextEdit* textEdit 		= new CMDITextEdit(untitled, fileName);	workspace->addWindow(textEdit);		connect(textEdit, SIGNAL(updateRecentFiels()), 		this, SLOT(updateRecentFiles()));	connect(textEdit, SIGNAL(copyAvailable(bool)),		actCut, SLOT(setEnabled(bool)));	connect(textEdit, SIGNAL(copyAvailable(bool)),		actCopy, SLOT(setEnabled(bool)));	connect(textEdit, SIGNAL(counted(int)), 		this, SLOT(showCount(int)));			showCount(++textEdit->count);	return textEdit;}void CMainWindow::showCount(int count){	label1->setText(tr("文檔總數(shù)：%1").arg(count));}