基于QT的文本编辑器程序源代码

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附录

文本编辑器代码

textedit.pro

TEMPLATE = app

TARGET = textedit

CONFIG += qt warn_on

HEADERS = textedit.h

SOURCES = textedit.cpp \

main.cpp

RESOURCES += textedit.qrc

build_all:!build_pass {

CONFIG -= build_all

CONFIG += release

}

# install

target.path = $$[QT_INSTALL_DEMOS]/textedit

sources.files = $$SOURCES $$HEADERS $$RESOURCES *.pro *.html *.doc images

sources.path = $$[QT_INSTALL_DEMOS]/textedit

INSTALLS += target sources

textedit.h

#ifndef TEXTEDIT_H

#define TEXTEDIT_H

#include

QT_FORW ARD_DECLARE_CLASS(QAction)

QT_FORW ARD_DECLARE_CLASS(QComboBox)

QT_FORW ARD_DECLARE_CLASS(QFontComboBox)

QT_FORW ARD_DECLARE_CLASS(QTextEdit)

QT_FORW ARD_DECLARE_CLASS(QTextCharFormat) QT_FORW ARD_DECLARE_CLASS(QMenu)

class TextEdit : public QMainWindow

{

Q_OBJECT

public:

TextEdit(QWidget *parent = 0);

protected:

virtual void closeEvent(QCloseEvent *e); 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();

void filePrint();

void filePrintPreview();

void filePrintPdf();

void textBold();

void textUnderline();

void textItalic();

void textFamily(const QString &f);

void textSize(const QString &p);

void textStyle(int styleIndex);

void textColor();

void textAlign(QAction *a);

void currentCharFormatChanged(const QTextCharFormat &format);

void cursorPositionChanged();

void clipboardDataChanged();

void about();

void printPreview(QPrinter *);

private:

void mergeFormatOnWordOrSelection(const QTextCharFormat &format);

void fontChanged(const QFont &f);

void colorChanged(const QColor &c);

void alignmentChanged(Qt::Alignment a);

QAction *actionSave,

*actionTextBold,

*actionTextUnderline,

*actionTextItalic,

*actionTextColor,

*actionAlignLeft,

*actionAlignCenter,

*actionAlignRight,

*actionAlignJustify,

*actionUndo,

*actionRedo,

*actionCut,

*actionCopy,

*actionPaste;

QComboBox *comboStyle;

QFontComboBox *comboFont;

QComboBox *comboSize;