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/***************************************************************************
qucsedit.cpp
--------------
begin : Mon Nov 17 2003
copyright : (C) 2003 by Michael Margraf
email : michael.margraf@alumni.tu-berlin.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "qucsedit.h"
#include <qtextedit.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qhbox.h>
#include <qpushbutton.h>
#include <qfile.h>
#include <qtextstream.h>
#include <qmessagebox.h>
#include <qtoolbutton.h>
#include <qimage.h>
#include <qfiledialog.h>
#include <qfont.h>
QucsEdit::QucsEdit(const QString& FileName_, bool readOnly)
{
// set application icon
setIcon (QPixmap(QucsSettings.BitmapDir + "big.qucs.xpm"));
setCaption("Qucs Editor " PACKAGE_VERSION " - " + tr("File: "));
QVBoxLayout *v = new QVBoxLayout(this);
QHBox *h = new QHBox(this);
v->addWidget(h);
QToolButton *ButtLoad = new QToolButton(h);
ButtLoad->setIconSet(
QIconSet(QImage(QucsSettings.BitmapDir + "fileopen.png")));
connect(ButtLoad, SIGNAL(clicked()), SLOT(slotLoad()));
QToolButton *ButtSave = new QToolButton(h);
ButtSave->setIconSet(
QIconSet(QImage(QucsSettings.BitmapDir + "filesave.png")));
connect(ButtSave, SIGNAL(clicked()), SLOT(slotSave()));
ButtSave->setDisabled(readOnly);
h->setStretchFactor(new QWidget(h),5); // stretchable placeholder
PosText = new QLabel(tr("Line: %1 - Column: %2").arg(1).arg(1), h);
h->setStretchFactor(new QWidget(h),5); // stretchable placeholder
QPushButton *ButtAbout = new QPushButton(tr("About"),h);
connect(ButtAbout, SIGNAL(clicked()), SLOT(slotAbout()));
QPushButton *ButtOK = new QPushButton(tr("Quit"),h);
connect(ButtOK, SIGNAL(clicked()), SLOT(slotQuit()));
ButtOK->setFocus();
// try using same-sized mono-spaced font in the textarea
QFont fedit = QFont("Courier New");
fedit.setPointSize(QucsSettings.font.pointSize()-1);
fedit.setStyleHint(QFont::Courier);
fedit.setFixedPitch(true);
text = new QTextEdit(this);
text->setTextFormat(Qt::PlainText);
text->setReadOnly(readOnly);
text->setWordWrap(QTextEdit::NoWrap);
text->setMinimumSize(300,200);
text->setFont(fedit);
text->setCurrentFont(fedit);
v->addWidget(text);
connect(text, SIGNAL(cursorPositionChanged(int, int)),
SLOT(slotPrintCursorPosition(int, int)));
// .................................................
loadFile(FileName_);
}
QucsEdit::~QucsEdit()
{
}
// ************************************************************
void QucsEdit::slotPrintCursorPosition(int Para, int Pos)
{
PosText->setText(tr("Line: %1 - Column: %2").arg(Para+1).arg(Pos+1));
}
// ************************************************************
void QucsEdit::slotAbout()
{
QMessageBox::about(this, tr("About..."),
"QucsEdit Version " PACKAGE_VERSION+
tr("\nVery simple text editor for Qucs\n")+
tr("Copyright (C) 2004, 2005 by Michael Margraf\n")+
"\nThis is free software; see the source for copying conditions."
"\nThere is NO warranty; not even for MERCHANTABILITY or "
"\nFITNESS FOR A PARTICULAR PURPOSE.");
}
// ************************************************************
void QucsEdit::slotLoad()
{
static QString lastDir; // to remember last directory and file
QString s = QFileDialog::getOpenFileName(
lastDir.isEmpty() ? QString(".") : lastDir,
"*", this, "", tr("Enter a Filename"));
if(s.isEmpty()) return;
lastDir = s; // remember last directory and file
if(!closeFile()) return;
loadFile(s);
}
// ************************************************************
void QucsEdit::slotSave()
{
if(FileName.isEmpty()) {
FileName = QFileDialog::getSaveFileName(".", QString::null,
this, "", tr("Enter a Document Name"));
if(FileName.isEmpty()) return;
}
QFile file(FileName);
if(!file.open(IO_WriteOnly)) {
QMessageBox::critical(this, tr("Error"),
tr("Cannot write file: ")+FileName);
return;
}
QTextStream stream(&file);
stream << text->text();
text->setModified(false);
file.close();
}
// ************************************************************
void QucsEdit::slotQuit()
{
if(!closeFile()) return;
int tmp;
tmp = x(); // call size and position function in order to ...
tmp = y(); // ... set them correctly before closing the ...
tmp = width(); // dialog !!! Otherwise the frame of the window ...
tmp = height(); // will not be recognized (a X11 problem).
accept();
}
// ************************************************************
// To get all close events.
void QucsEdit::closeEvent(QCloseEvent*)
{
slotQuit();
}
// ************************************************************
bool QucsEdit::loadFile(const QString& Name)
{
if(Name.isEmpty()) return false;
QFile file(Name);
if(!file.open(IO_ReadOnly)) {
QMessageBox::critical(this, tr("Error"),
tr("Cannot read file: ")+Name);
return false;
}
QTextStream stream(&file);
text->setText(stream.read());
file.close();
FileName = Name;
// QFileInfo info(Name);
// FileName = info.fileName();
setCaption("Qucs Editor " PACKAGE_VERSION " - " + tr("File: ")+FileName);
return true;
}
// ************************************************************
bool QucsEdit::closeFile()
{
if(text->isModified()) {
switch(QMessageBox::warning(this,tr("Closing document"),
tr("The text contains unsaved changes!\n")+
tr("Do you want to save the changes?"),
tr("&Save"), tr("&Discard"), tr("&Cancel"), 0, 2)) {
case 0: slotSave();
if(FileName.isEmpty()) return false;
return true;
case 2: return false;
}
}
return true;
}
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