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/** Copyright (C) 2006, Ian Paul Larsen.
**
** 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.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License along
** with this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
**/
#include <iostream>
#include <QApplication>
#include <QMutex>
#include <QAction>
#include <QPainter>
#include <QPrinter>
#include <QPrintDialog>
#include <QClipboard>
#include <QMessageBox>
using namespace std;
#include "BasicGraph.h"
#include "MainWindow.h"
extern QMutex keymutex;
extern int currentKey;
BasicGraph::BasicGraph(BasicOutput *o)
{
image = NULL;
resize(GSIZE_INITIAL_WIDTH, GSIZE_INITIAL_HEIGHT);
output = o;
setMinimumSize(gwidth, gheight);
}
void
BasicGraph::resize(int width, int height)
{
if (image != NULL && width == image->width() && height == image->height()) {
return;
}
gwidth = width;
gheight = height;
delete image;
imagedata = new uchar[sizeof(int) * width * height];
image = new QImage(imagedata, width, height, QImage::Format_ARGB32);
image->fill(Qt::color0);
mouseX = 0;
mouseY = 0;
mouseB = 0;
clickX = 0;
clickY = 0;
clickB = 0;
setMouseTracking(true);
}
void
BasicGraph::paintEvent(QPaintEvent *)
{
QPainter p2(this);
gtop = (height() - gheight) / 2;
gleft = (width() - gwidth) / 2;
p2.drawImage(gleft, gtop, *image);
}
void
BasicGraph::keyPressEvent(QKeyEvent *e)
{
e->accept();
keymutex.lock();
currentKey = e->key();
keymutex.unlock();
}
void BasicGraph::mouseMoveEvent(QMouseEvent *e) {
if (e->x() >= (int) gleft && e->x() < (int) (gleft+gwidth) && e->y() >= (int) gtop && e->y() < (int) (gtop+gheight)) {
mouseX = e->x() - gleft;
mouseY = e->y() - gtop;
mouseB = e->buttons();
}
}
void BasicGraph::mouseReleaseEvent(QMouseEvent *e) {
// cascade call to mouse move so we record clicks real time like moves
mouseMoveEvent(e);
}
void BasicGraph::mousePressEvent(QMouseEvent *e) {
if (e->x() >= (int) gleft && e->x() < (int) (gleft+gwidth) && e->y() >= (int) gtop && e->y() < (int) (gtop+gheight)) {
clickX = mouseX = e->x() - gleft;
clickY = mouseY = e->y() - gtop;
clickB = mouseB = e->buttons();
}
setFocus();
}
bool BasicGraph::initActions(QMenu * vMenu, ToolBar * vToolBar)
{
if ((NULL == vMenu) || (NULL == vToolBar))
{
return false;
}
QAction *copyAct = vMenu->addAction(QObject::tr("Copy"));
QAction *printAct = vMenu->addAction(QObject::tr("Print"));
vToolBar->addAction(copyAct);
vToolBar->addAction(printAct);
QObject::connect(copyAct, SIGNAL(triggered()), this, SLOT(slotCopy()));
QObject::connect(printAct, SIGNAL(triggered()), this, SLOT(slotPrint()));
m_usesToolBar = true;
m_usesMenu = true;
return true;
}
void BasicGraph::slotCopy()
{
QClipboard *clipboard = QApplication::clipboard();
clipboard->setImage(*image);
}
void BasicGraph::slotPrint()
{
QPrinter printer(QPrinter::HighResolution);
QPrintDialog *dialog = new QPrintDialog(&printer, this);
dialog->setWindowTitle(QObject::tr("Print Graphics Output"));
if (dialog->exec() == QDialog::Accepted)
{
if ((printer.printerState() != QPrinter::Error) && (printer.printerState() != QPrinter::Aborted))
{
QPainter painter(&printer);
QRect rect = painter.viewport();
QSize size = image->size();
size.scale(rect.size(), Qt::KeepAspectRatio);
painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
painter.setWindow(image->rect());
painter.drawImage(0, 0, *image);
}
else
{
QMessageBox::warning(this, QObject::tr("Print Error"), QObject::tr("Unable to carry out printing.\nPlease check your printer settings."));
}
}
}
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