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editwindow.cpp
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editwindow.cpp
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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. See COPYING file for more details.
*
*/
#include "editwindow.h"
#include "ui_editwindow.h"
#include <QCoreApplication>
#include <QDebug>
#include <QTextCodec>
#include <QSettings>
#include <QTextStream>
#include <Qt>
#include <QInputDialog>
EditWindow::EditWindow(QWidget *parent, const QString& fPath) :
QDialog(parent),
ui(new Ui::EditWindow),
gFileName(fPath)
{
ui->setupUi(this);
keyCtrlPlus = new QShortcut(this); // Инициализируем объект
keyCtrlPlus->setKey(Qt::CTRL + Qt::Key_Plus); // Устанавливаем сочетание клавиш
connect(keyCtrlPlus, SIGNAL(activated()), ui->plainTextEdit, SLOT(zoomIn()));
keyCtrlMinus = new QShortcut(this); // Инициализируем объект
keyCtrlMinus->setKey(Qt::CTRL + Qt::Key_Minus); // Устанавливаем сочетание клавиш
connect(keyCtrlMinus, SIGNAL(activated()), ui->plainTextEdit, SLOT(zoomOut()));
loadFile();
setWindowFont();
}
EditWindow::~EditWindow()
{
delete ui;
}
//загружаем файл на редактирование
void EditWindow::loadFile()
{
QFile fl(gFileName);
if (fl.open(QIODevice::ReadOnly))
{
QByteArray sByteArray = fl.readAll();
QTextCodec *codec = QTextCodec::codecForName("CP1251");
QString sFileBody = codec->toUnicode(sByteArray);
ui->plainTextEdit->setPlainText(sFileBody);
fl.close();
}
}
//Устанавливаем шрифт и его размер
void EditWindow::setWindowFont()
{
QSettings settings("TheirBirthdaySoft","TheirBirthday");
QString fntFamily = settings.value("/Font", "Arial").toString();
int fntSize = settings.value("/FontSize", 8).toInt();
//устанавливаем шрифт в окне
QFont fnt(fntFamily, fntSize, -1, false);
ui->plainTextEdit->setFont(fnt);
}
//На нажатие ОК
void EditWindow::on_buttonBox_clicked(QAbstractButton *button)
{
//сохраняем файл
if (ui->buttonBox->buttonRole(button) == QDialogButtonBox::AcceptRole)
{
QFile fl(gFileName);
if (fl.open(QIODevice::WriteOnly))
{
QTextStream fileStream(&fl);
fileStream.setCodec("CP1251");
fileStream << ui->plainTextEdit->toPlainText();
if (fileStream.status() != QTextStream::Ok)
qDebug() << tr("Ошибка записи файла");
fl.close();
}
}
}
//перемещение курсора на найденное
void EditWindow::moveCursor(int numBlock, int numCol)
{
QTextCursor findCur = ui->plainTextEdit->textCursor();
findCur.movePosition(QTextCursor::Down, QTextCursor::MoveAnchor, numBlock);
findCur.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, numCol);
ui->plainTextEdit->setTextCursor(findCur);
}
void EditWindow::setSelection(QTextCursor &findCur)
{
QList<QTextEdit::ExtraSelection> lSel;
QTextEdit::ExtraSelection xtra;
xtra.format.setBackground(QColor(Qt::green).lighter(125));
xtra.cursor = findCur;
lSel.append(xtra);
ui->plainTextEdit->setExtraSelections(lSel);
}
//Найти
QTextCursor EditWindow::findWord()
{
curPos = ui->plainTextEdit->document()->find(sWord, curPos);
if (curPos.isNull()) return curPos;
int numBlock = curPos.blockNumber();
int numCol = curPos.columnNumber() - sWord.length();
setSelection(curPos);
moveCursor(numBlock, numCol);
return curPos;
}
void EditWindow::keyPressEvent(QKeyEvent *ev)
{
switch (ev->key())
{
case Qt::Key_F:
if (ev->modifiers() & Qt::ControlModifier)
{
bool bOk;
ui->plainTextEdit->moveCursor(QTextCursor::Start);
curPos = ui->plainTextEdit->textCursor();
sWord = QInputDialog::getText(NULL, tr("Поиск"), tr("Найти:"), QLineEdit::Normal, "", &bOk);
if(!bOk)
return;
findWord();
}
break;
case Qt::Key_F3:
findWord();
break;
}
}