gnuplot/src/qtterminal/QtGnuplotWindow.cpp at master · gnuplot/gnuplot · GitHub

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/* GNUPLOT - QtGnuplotWindow.cpp */

/*[

* Permission to use, copy, and distribute this software and its

* documentation for any purpose with or without fee is hereby granted,

* provided that the above copyright notice appear in all copies and

* that both that copyright notice and this permission notice appear

* in supporting documentation.

* Permission to modify the software is granted, but not the right to

* distribute the complete modified source code. Modifications are to

* be distributed as patches to the released version. Permission to

* distribute binaries produced by compiling modified sources is granted,

* provided you

* 1. distribute the corresponding source modifications from the

* released version in the form of a patch file along with the binaries,

* 2. add special version identification to distinguish your version

* in addition to the base release version number,

* 3. provide your name and address as the primary contact for the

* support of your modified version, and

* 4. retain our contact information in regard to use of the base

* software.

* Permission to distribute the released version of the source code along

* with corresponding source modifications in the form of a patch file is

* granted with same provisions 2 through 4 for binary distributions.

* This software is provided "as is" without express or implied warranty

* to the extent permitted by applicable law.

* Alternatively, the contents of this file may be used under the terms of the

* GNU General Public License Version 2 or later (the "GPL"), in which case the

* provisions of GPL are applicable instead of those above. If you wish to allow

* use of your version of this file only under the terms of the GPL and not

* to allow others to use your version of this file under the above gnuplot

* license, indicate your decision by deleting the provisions above and replace

* them with the notice and other provisions required by the GPL. If you do not

* delete the provisions above, a recipient may use your version of this file

* under either the GPL or the gnuplot license.

]*/

#ifdef _WIN32

# define WIN32_LEAN_AND_MEAN

# include <windows.h>

#endif

#include "QtGnuplotWindow.h"

#include "QtGnuplotWidget.h"

#include "QtGnuplotEvent.h"

extern "C" {

#include "../mousecmn.h"

}

#include <QtGui>

QtGnuplotWindow::QtGnuplotWindow(int id, QtGnuplotEventHandler* eventHandler, QWidget* parent)

: QMainWindow(parent)

{

// m_ctrl = false;

m_eventHandler = eventHandler;

m_id = id;

m_pid = 0;

setWindowIcon(QIcon(":/images/gnuplot"));

// This attribute is required in order for QtGnuplotApplication::windowDestroyed()

// to be called when a plot window is closed externally. Without it, gnuplot_qt

// may be left as a zombie. On the other hand, manually closing the last open

// window may cause warning messages (linux) or a program hang (Windows).

// We now work around this by instead checking for visible/invisible windows in

// QtGnuplotApplication::enterPersistMode() before exiting.

// History: Bugs #1554 #1753 #2188

// setAttribute(Qt::WA_DeleteOnClose);

// Register as the main event receiver if not already created

if (m_eventHandler == 0)

m_eventHandler = new QtGnuplotEventHandler(this,

"qtgnuplot" + QString::number(QCoreApplication::applicationPid()));

// Central widget

m_widget = new QtGnuplotWidget(m_id, m_eventHandler, this);

connect(m_widget, SIGNAL(statusTextChanged(const QString&)), this, SLOT(on_setStatusText(const QString&)));

setCentralWidget(m_widget);

// Bars

m_toolBar = addToolBar("Main tool bar");

m_mouseToolBar = addToolBar("Mouse tool bar");

m_mouseToolBarLabel = new QLabel();

m_mouseToolBar->addWidget(m_mouseToolBarLabel);

m_statusBar = statusBar();

// Actions

QAction* copyToClipboardAction = new QAction(QIcon(":/images/clipboard" ), tr("Copy to clipboard"), this);

QAction* printAction = new QAction(QIcon(":/images/print" ), tr("Print" ), this);

QAction* exportAction = new QAction(QIcon(":/images/export" ), tr("Export" ), this);

QAction* exportPdfAction = new QAction(QIcon(":/images/exportPDF" ), tr("Export to PDF" ), this);

QAction* exportEpsAction = new QAction(QIcon(":/images/exportVector"), tr("Export to EPS" ), this);

QAction* exportSvgAction = new QAction(QIcon(":/images/exportVector"), tr("Export to SVG" ), this);

QAction* exportPngAction = new QAction(QIcon(":/images/exportRaster"), tr("Export to image" ), this);

QAction* settingsAction = new QAction(QIcon(":/images/settings" ), tr("Settings" ), this);

connect(copyToClipboardAction, SIGNAL(triggered()), m_widget, SLOT(copyToClipboard()));

connect(printAction, SIGNAL(triggered()), this, SLOT(print()));

connect(exportPdfAction, SIGNAL(triggered()), this, SLOT(exportToPdf()));

connect(exportEpsAction, SIGNAL(triggered()), m_widget, SLOT(exportToEps()));

connect(exportSvgAction, SIGNAL(triggered()), this, SLOT(exportToSvg()));

connect(exportPngAction, SIGNAL(triggered()), this, SLOT(exportToImage()));

connect(settingsAction, SIGNAL(triggered()), this, SLOT(showSettingsDialog()));

QMenu* exportMenu = new QMenu(this);

exportMenu->addAction(copyToClipboardAction);

exportMenu->addAction(printAction);

exportMenu->addAction(exportPdfAction);

// exportMenu->addAction(exportEpsAction);

exportMenu->addAction(exportSvgAction);

exportMenu->addAction(exportPngAction);

exportAction->setMenu(exportMenu);

m_toolBar->addAction(exportAction);

QWidget* exportWidget = m_toolBar->widgetForAction(exportAction);

QToolButton* exportButton = qobject_cast<QToolButton*>(exportWidget);

if (exportButton) {

connect(exportAction, SIGNAL(triggered(bool)), exportButton, SLOT(showMenu()));

}

createAction(tr("Replot") , 'e', ":/images/replot");

createAction(tr("Show grid") , 'g', ":/images/grid");

createAction(tr("Previous zoom"), 'p', ":/images/zoomPrevious");

createAction(tr("Next zoom") , 'n', ":/images/zoomNext");

createAction(tr("Autoscale") , 'a', ":/images/autoscale");

m_toolBar->addAction(settingsAction);

loadSettings();

}

QtGnuplotWindow::~QtGnuplotWindow()

{

saveSettings();

}

void QtGnuplotWindow::createAction(const QString& name, int key, const QString& icon)

{

QAction* action = new QAction(QIcon(icon), name, this);

connect(action, SIGNAL(triggered()), this, SLOT(on_keyAction()));

action->setData(key);

m_toolBar->addAction(action);

}

void QtGnuplotWindow::on_setStatusText(const QString& status)

{

if (m_mouseToolBar->toggleViewAction()->isChecked())

m_mouseToolBarLabel->setText(status);

if (m_statusBar->isVisible())

m_statusBar->showMessage(status);

}

void QtGnuplotWindow::on_keyAction()

{

QAction* action = qobject_cast<QAction *>(sender());

m_eventHandler->postTermEvent(GE_keypress, 0, 0, action->data().toInt(), 0, m_widget);

}

void QtGnuplotWindow::print()

{

QPrinter printer;

printer.setDocName(tr("gnuplot-qt graph"));

QPrintDialog dialog(&printer, this);

dialog.setOption(QAbstractPrintDialog::PrintPageRange, false);

if (dialog.exec() == QDialog::Accepted)

m_widget->print(printer);

}

void QtGnuplotWindow::exportToPdf()

{

QString fileName = QFileDialog::getSaveFileName(this, tr("Export to PDF"), "", tr("PDF files (*.pdf)"));

if (fileName.isEmpty())

return;

if (!fileName.endsWith(".pdf", Qt::CaseInsensitive))

fileName += ".pdf";

m_widget->exportToPdf(fileName);

}

void QtGnuplotWindow::exportToImage()

{

/// @todo other image formats supported by Qt

QString fileName = QFileDialog::getSaveFileName(this, tr("Export to Image"), "",

tr("Image files (*.png *.bmp)"));

if (fileName.isEmpty())

return;

if (!fileName.endsWith(".png", Qt::CaseInsensitive) &&

!fileName.endsWith(".bmp", Qt::CaseInsensitive))

fileName += ".png";

m_widget->exportToImage(fileName);

}

void QtGnuplotWindow::exportToSvg()

{

QString fileName = QFileDialog::getSaveFileName(this, tr("Export to SVG"), "", tr("SVG files (*.svg)"));

if (fileName.isEmpty())

return;

if (!fileName.endsWith(".svg", Qt::CaseInsensitive))

fileName += ".svg";

m_widget->exportToSvg(fileName);

}

#include "ui_QtGnuplotSettings.h"

void QtGnuplotWindow::loadSettings()

{

QSettings settings("gnuplot", "qtterminal");

settings.beginGroup("view");

m_widget->loadSettings(settings);

m_statusBarActive = settings.value("statusBarActive", true).toBool();

m_statusBar->setVisible(m_statusBarActive);

bool mouseToolBarActive = settings.value("mouseToolBarActive", false).toBool();

m_mouseToolBar->toggleViewAction()->setChecked(mouseToolBarActive);

m_mouseToolBar->setVisible(mouseToolBarActive);

}

void QtGnuplotWindow::saveSettings() const

{

QSettings settings("gnuplot", "qtterminal");

settings.beginGroup("view");

m_widget->saveSettings(settings);

settings.setValue("statusBarActive", m_statusBarActive);

settings.setValue("mouseToolBarActive", m_mouseToolBar->toggleViewAction()->isChecked());

}

void QtGnuplotWindow::showSettingsDialog()

{

QDialog* settingsDialog = new QDialog(this);

m_ui = new Ui_settingsDialog();

m_ui->setupUi(settingsDialog);

m_ui->antialiasCheckBox->setCheckState(m_widget->antialias() ? Qt::Checked : Qt::Unchecked);

m_ui->roundedCheckBox->setCheckState(m_widget->rounded() ? Qt::Checked : Qt::Unchecked);

m_ui->ctrlQCheckBox->setCheckState(m_widget->ctrlQ() ? Qt::Checked : Qt::Unchecked);

m_ui->replotOnResizeCheckBox->setCheckState(m_widget->replotOnResize() ? Qt::Checked : Qt::Unchecked);

if (m_statusBar->isVisible())

m_ui->mouseLabelComboBox->setCurrentIndex(0);

else if (m_mouseToolBar->toggleViewAction()->isChecked())

m_ui->mouseLabelComboBox->setCurrentIndex(1);

else if (m_widget->statusLabelActive())

m_ui->mouseLabelComboBox->setCurrentIndex(2);

else

m_ui->mouseLabelComboBox->setCurrentIndex(3);

QPixmap samplePixmap(m_ui->sampleColorLabel->size());

samplePixmap.fill(m_widget->backgroundColor());

m_ui->sampleColorLabel->setPixmap(samplePixmap);

m_chosenBackgroundColor = m_widget->backgroundColor();

connect(m_ui->backgroundButton, SIGNAL(clicked()), this, SLOT(settingsSelectBackgroundColor()));

settingsDialog->exec();

if (settingsDialog->result() == QDialog::Accepted)

{

m_widget->setBackgroundColor(m_chosenBackgroundColor);

m_widget->setAntialias(m_ui->antialiasCheckBox->checkState() == Qt::Checked);

m_widget->setRounded(m_ui->roundedCheckBox->checkState() == Qt::Checked);

m_widget->setCtrlQ(m_ui->ctrlQCheckBox->checkState() == Qt::Checked);

m_widget->setReplotOnResize(m_ui->replotOnResizeCheckBox->checkState() == Qt::Checked);

int statusIndex = m_ui->mouseLabelComboBox->currentIndex();

m_statusBarActive = (statusIndex == 0);

m_statusBar->setVisible(m_statusBarActive);

m_mouseToolBar->toggleViewAction()->setChecked(statusIndex == 1);

m_mouseToolBar->setVisible(statusIndex == 1);

m_widget->setStatusLabelActive(statusIndex == 2);

saveSettings();

}

void QtGnuplotWindow::settingsSelectBackgroundColor()

{

m_chosenBackgroundColor = QColorDialog::getColor(m_chosenBackgroundColor, this);

QPixmap samplePixmap(m_ui->sampleColorLabel->size());

samplePixmap.fill(m_chosenBackgroundColor);

m_ui->sampleColorLabel->setPixmap(samplePixmap);

}

void QtGnuplotWindow::closeEvent(QCloseEvent *event)

{

m_eventHandler->postTermEvent(GE_reset, 0, 0, 0, 0, m_widget);

event->accept();

}

void QtGnuplotWindow::processEvent(QtGnuplotEventType type, QDataStream& in)

{

if (type == GETitle)

{

QString title;

in >> title;

if (title.isEmpty())

title = tr("Gnuplot window ") + QString::number(m_id);

setWindowTitle(title);

}

else if (type == GERaise)

{

#ifdef _WIN32

SetForegroundWindow((HWND) winId());

if (isMinimized())

showNormal();

#endif

raise();

}

else if (type == GESetCtrl)

{

in >> m_ctrl;

m_widget->setCtrlQ(m_ctrl);

}

else if (type == GESetRounded)

{

in >> m_rounded;

m_widget->setRounded(m_rounded);

}

else if (type == GESetAntiAlias)

{

in >> m_antialias;

m_widget->setAntialias(m_antialias);

}

else if (type == GESetReplotOnResize)

{

in >> m_replotOnResize;

m_widget->setReplotOnResize(m_replotOnResize);

}

else if (type == GESetPosition)

{

QPoint pos;

in >> pos;

move(pos);

}

else if (type == GEPID)

in >> m_pid;

else

m_widget->processEvent(type, in);

}

void QtGnuplotWindow::keyPressEvent(QKeyEvent* event)

{

if ((event->key() == 'Q') && ( !m_widget->ctrlQ() || (QApplication::keyboardModifiers() & Qt::ControlModifier) ))

close();

#ifdef _WIN32

#if !defined(DISABLE_SPACE_RAISES_CONSOLE)

if ((event->key() == Qt::Key_Space) && ( !m_ctrl || (QApplication::keyboardModifiers() & Qt::ControlModifier) ))

{

AllowSetForegroundWindow(m_pid);

m_eventHandler->postTermEvent(GE_raise, 0, 0, 0, 0, m_widget);

}

#endif

QMainWindow::keyPressEvent(event);

}

gnuplot/src/qtterminal/QtGnuplotWindow.cpp at master · gnuplot/gnuplot · GitHub

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