Add about dialog.

8 files changed, 266 insertions, 0 deletions

diff --git a/AUTHORS b/AUTHORS
index e69de29..84d9ece 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -0,0 +1,11 @@
+Founder and lead developer:
+ Bent Bisballe Nyeng [deva] (deva@aasimon.org)
+
+Developer:
+ Jonas Suhr Christensen [suhr] (jsc@umbraculum.org)
+
+Developer:
+ André Nusser [chaot4]
+
+Developer, Graphics, GUI design and logo:
+ Lars Muldjord [muldjord] (muldjordlars@gmail.com)
diff --git a/icons/logo.png b/icons/logo.png
new file mode 100644
index 0000000..d759548
--- /dev/null
+++ b/icons/logo.png
diff --git a/src/Makefile.am b/src/Makefile.am
index 43b87e3..26bb475 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -15,6 +15,7 @@ dgedit_TRANSLATIONS = \
 
 dgedit_SOURCES = \
 	dgedit.cc \
+	aboutdialog.cc \
 	audioextractor.cc \
 	canvas.cc \
 	canvastool.cc \
@@ -46,6 +47,7 @@ dgedit_SOURCES = \
 	zoomslider.cc
 
 EXTRA_DIST = \
+	aboutdialog.h \
 	audioextractor.h \
 	canvas.h \
 	canvastool.h \
diff --git a/src/aboutdialog.cc b/src/aboutdialog.cc
new file mode 100644
index 0000000..179f176
--- /dev/null
+++ b/src/aboutdialog.cc
@@ -0,0 +1,181 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            aboutdialog.cc
+ *
+ *  Sat Oct  6 14:29:56 CEST 2018
+ *  Copyright 2018 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "aboutdialog.h"
+
+#include "stdio.h"
+
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QFile>
+#include <QTimer>
+#include <QScrollBar>
+#include <QScrollArea>
+
+#include <version.h>
+
+AboutDialog::AboutDialog(QWidget *parent, Qt::WindowFlags f)
+	: QDialog(parent, f)
+{
+	setWindowTitle(tr("About DGEdit"));
+	setFixedSize(590,500);
+
+	// Read AUTHORS data from file
+	QFile file(":AUTHORS");
+	QByteArray authorsText;
+	if(file.open(QIODevice::ReadOnly))
+	{
+		authorsText = file.readAll();
+		file.close();
+	}
+	else
+	{
+		printf("ERROR: Couldn't find AUTHORS file at the designated location.\n");
+		authorsText = "ERROR: File not found...";
+	}
+
+	// Read COPYING data from file
+	file.setFileName(":COPYING");
+	QByteArray gplText;
+	if(file.open(QIODevice::ReadOnly))
+	{
+		gplText = file.readAll();
+		file.close();
+	}
+	else
+	{
+		printf("ERROR: Couldn't find COPYING file at the designated location.\n");
+		gplText = "ERROR: File not found...";
+	}
+
+	QVBoxLayout *layout = new QVBoxLayout();
+
+	QHBoxLayout *topLayout = new QHBoxLayout();
+	QLabel *logo = new QLabel();
+	logo->setPixmap(QPixmap(":icons/logo.png"));
+	QLabel *title = new QLabel;
+	title->setWordWrap(true);
+	title->setText(tr("<h1>DGEdit</h1>"
+	                  "<h2>v." VERSION "</h2>"
+	                  "Copyright (C) 2008-2018 Bent Bisballe Nyeng - Aasimon.org.<br/>"
+	                  "This is free software. You may redistribute copies of it "
+	                  "under the terms of the GNU General Public License "
+	                  "(http://www.gnu.org/licenses/gpl.html). There is NO "
+	                  "WARRANTY, to the extent permitted by law."));
+
+	topLayout->addWidget(logo);
+	topLayout->addWidget(title);
+	topLayout->setStretch(1, 1);
+	topLayout->setStretch(2, 2);
+
+	QLabel *releaseInfo = new QLabel(authorsText);
+	releaseInfo->setStyleSheet("QLabel { background-color : white; }");
+
+	QScrollArea *releaseInfoScroll = new QScrollArea();
+	releaseInfoScroll->setWidget(releaseInfo);
+	releaseInfoScroll->setStyleSheet("QScrollArea { background-color : white; }");
+
+	QLabel *license = new QLabel(gplText);
+	license->setStyleSheet("QLabel { font-family: monospace; "
+	                       "background-color : white; }");
+	licenseScroll = new QScrollArea();
+	licenseScroll->setStyleSheet("QScrollArea { background-color : white; }");
+	licenseScroll->setWidget(license);
+
+	connect(licenseScroll->verticalScrollBar(), SIGNAL(sliderPressed()),
+	        this, SLOT(noMoreScroll()));
+	tabs = new QTabWidget();
+	connect(tabs, SIGNAL(currentChanged(int)), this, SLOT(checkTab(int)));
+	tabs->addTab(releaseInfoScroll, "Release Info");
+	tabs->addTab(licenseScroll, "License");
+
+	layout->addLayout(topLayout);
+	layout->addWidget(tabs);
+	setLayout(layout);
+
+	scrollState = 0; // 0 = initial state
+	                 // 1 = initiate scroll
+	                 // 2 = scroll 1 step
+	                 // 3 = no more scroll
+
+	scrollTimer = new QTimer();
+	scrollTimer->setSingleShot(true);
+	connect(scrollTimer, SIGNAL(timeout()), this, SLOT(scroll()));
+}
+
+void AboutDialog::mousePressEvent(QMouseEvent * event)
+{
+	if(event) // TODO: Perhaps do a mouse click check on the event
+	{
+		accept();
+	}
+}
+
+void AboutDialog::scroll()
+{
+	switch(scrollState)
+	{
+	case 0 : // 0 = initial state
+		scrollState = 1;
+		scrollTimer->setInterval(5000);
+		scrollTimer->start();
+		break;
+	case 1 : // 1 = initiate scroll
+		scrollState = 2;
+		licenseScroll->verticalScrollBar()->setValue(0);
+		scrollTimer->setInterval(200);
+		scrollTimer->start();
+		break;
+	case 2 : // 2 = scroll 1 step
+		licenseScroll->verticalScrollBar()->
+			setValue(licenseScroll->verticalScrollBar()->value() + 2);
+		if(licenseScroll->verticalScrollBar()->value() >=
+		   licenseScroll->verticalScrollBar()->maximum())
+		{
+			scrollState = 0;
+		}
+		scrollTimer->start();
+		break;
+	case 3 : // 3 = no more scroll
+		scrollTimer->stop();
+		break;
+	}
+}
+
+void AboutDialog::noMoreScroll()
+{
+	scrollState = 3;
+}
+
+void AboutDialog::checkTab(int tabIndex)
+{
+	if(tabIndex == 1)
+	{
+		scrollState = 0;
+		scrollTimer->stop();
+		scroll();
+	}
+}
diff --git a/src/aboutdialog.h b/src/aboutdialog.h
new file mode 100644
index 0000000..f7200a3
--- /dev/null
+++ b/src/aboutdialog.h
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            aboutdialog.h
+ *
+ *  Sat Oct  6 14:29:56 CEST 2018
+ *  Copyright 2018 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo 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.
+ *
+ *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#pragma once
+
+#include <QDialog>
+#include <QMouseEvent>
+#include <QScrollArea>
+#include <QTabWidget>
+
+class AboutDialog
+	: public QDialog
+{
+	Q_OBJECT
+public:
+	AboutDialog(QWidget *parent, Qt::WindowFlags f);
+
+public slots:
+	void scroll();
+	void noMoreScroll();
+	void checkTab(int tabIndex);
+
+signals:
+
+private:
+	void mousePressEvent(QMouseEvent * event);
+	QScrollArea *licenseScroll;
+	QTimer *scrollTimer;
+	int scrollState;
+	QTabWidget *tabs;
+};
diff --git a/src/dgedit.qrc b/src/dgedit.qrc
index 1b03641..7523730 100644
--- a/src/dgedit.qrc
+++ b/src/dgedit.qrc
@@ -1,6 +1,10 @@
 <!DOCTYPE RCC>
 <RCC version="1.0">
 	<qresource>
+    <file>../AUTHORS</file>
+    <file>../COPYING</file>
+
+    <file>../icons/logo.png</file>
     <file>../icons/master.png</file>
     <file>../icons/file.png</file>
     <file>../icons/instrument.png</file>
diff --git a/src/mainwindow.cc b/src/mainwindow.cc
index 8cd34ba..68b0d91 100644
--- a/src/mainwindow.cc
+++ b/src/mainwindow.cc
@@ -47,6 +47,7 @@
 #include "projectserialiser.h"
 #include "instrumentwidget.h"
 #include "channelswidget.h"
+#include "aboutdialog.h"
 
 #include "imageeditor.h"
 
@@ -100,6 +101,11 @@ MainWindow::MainWindow(Settings& settings)
 	testMenu->addAction(act_test);
 	connect(act_test, SIGNAL(triggered()), this, SLOT(test()));
 
+	QMenu* helpMenu = menuBar()->addMenu(tr("Help"));
+	QAction* act_about = new QAction(tr("About"), this);
+	helpMenu->addAction(act_about);
+	connect(act_about, SIGNAL(triggered()), this, SLOT(showAbout()));
+
 	instruments_dock = new QDockWidget(tr("Instruments:"), this);
 	instruments_dock->setObjectName("instruments_dock");
 	instruments_dock->setAllowedAreas(Qt::LeftDockWidgetArea);
@@ -599,3 +605,10 @@ void MainWindow::editProject()
 	dlg.show();
 	dlg.exec();
 }
+
+void MainWindow::showAbout()
+{
+	AboutDialog dlg(this, Qt::Dialog);
+	dlg.show();
+	dlg.exec();
+}
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 067ac0f..eee8f47 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -69,6 +69,7 @@ private slots:
 	void test();
 	void render();
 	void editProject();
+	void showAbout();
 
 protected:
 	void closeEvent(QCloseEvent*);