added file associations implementation from smplayer

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@4136 90c681e8-e032-0410-971d-27865f9a5e38

3 files changed, 334 insertions, 12 deletions

diff --git a/src/qmmpui/prefassociations.cpp b/src/qmmpui/prefassociations.cpp
new file mode 100644
index 000000000..a60498e80
--- /dev/null
+++ b/src/qmmpui/prefassociations.cpp
@@ -0,0 +1,239 @@
+/*  smplayer, GUI front-end for mplayer.
+    Copyright (C) 2006-2014 Ricardo Villalba <rvm@users.sourceforge.net>
+
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+	prefassociations.cpp
+	Handles file associations in Windows
+	Author: Florin Braghis (florin@libertv.ro)
+*/
+
+
+#include "prefassociations.h"
+#include "images.h"
+#include <QSettings>
+#include <QApplication>
+#include <QMessageBox>
+#include "winfileassoc.h"
+#include "extensions.h"
+
+static Qt::CheckState CurItemCheckState = Qt::Unchecked; 
+
+
+PrefAssociations::PrefAssociations(QWidget * parent, Qt::WindowFlags f)
+: PrefWidget(parent, f )
+{
+	setupUi(this);
+
+	connect(selectAll, SIGNAL(clicked(bool)), this, SLOT(selectAllClicked(bool)));
+	connect(selectNone, SIGNAL(clicked(bool)), this, SLOT(selectNoneClicked(bool)));
+	connect(listWidget, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(listItemClicked(QListWidgetItem*))); 
+	connect(listWidget, SIGNAL(itemPressed(QListWidgetItem*)), this, SLOT(listItemPressed(QListWidgetItem*))); 
+
+	if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
+	{
+		//Hide Select None - One cannot restore an association in Vista. Go figure.
+		selectNone->hide(); 
+		//QPushButton* lpbButton = new QPushButton("Launch Program Defaults", this); 
+		//hboxLayout->addWidget(lpbButton); 
+		//connect(lpbButton, SIGNAL(clicked(bool)), this, SLOT(launchAppDefaults()));
+	}
+
+	Extensions e;
+	for (int n=0; n < e.multimedia().count(); n++) {
+		addItem( e.multimedia()[n] );
+	}
+	// Add the playlist extensions
+	for (int n=0; n < e.playlist().count(); n++) {
+		addItem( e.playlist()[n] );
+	}
+	retranslateStrings();
+
+	something_changed = false;
+}
+
+PrefAssociations::~PrefAssociations()
+{
+
+}
+
+void PrefAssociations::selectAllClicked(bool)
+{
+	for (int k = 0; k < listWidget->count(); k++)
+		listWidget->item(k)->setCheckState(Qt::Checked);
+	listWidget->setFocus(); 
+
+	something_changed = true;
+}
+
+void PrefAssociations::selectNoneClicked(bool)
+{
+
+	for (int k = 0; k < listWidget->count(); k++)
+		listWidget->item(k)->setCheckState(Qt::Unchecked);
+	listWidget->setFocus(); 
+
+	something_changed = true;
+}
+
+void PrefAssociations::listItemClicked(QListWidgetItem* item)
+{
+	qDebug("PrefAssociations::listItemClicked");
+	
+	if (!(item->flags() & Qt::ItemIsEnabled))
+		return; 
+
+	if (item->checkState() == CurItemCheckState)
+	{
+		//Clicked on the list item (not checkbox)
+		if (item->checkState() == Qt::Checked)
+		{
+			item->setCheckState(Qt::Unchecked);
+		}
+		else
+			item->setCheckState(Qt::Checked); 
+	}
+
+	//else - clicked on the checkbox itself, do nothing
+	
+	something_changed = true;
+}
+
+void PrefAssociations::listItemPressed(QListWidgetItem* item)
+{
+	CurItemCheckState = item->checkState(); 
+}
+
+void PrefAssociations::addItem(QString label)
+{
+	QListWidgetItem* item = new QListWidgetItem(listWidget); 
+	item->setText(label);
+}
+
+void PrefAssociations::refreshList()
+{
+	m_regExtensions.clear(); 
+	WinFileAssoc ().GetRegisteredExtensions(Extensions().multimedia(), m_regExtensions); 
+
+	for (int k = 0; k < listWidget->count(); k++)
+	{
+		QListWidgetItem* pItem = listWidget->item(k); 
+		if (pItem)
+		{
+			pItem->setFlags(Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
+
+			if (m_regExtensions.contains(pItem->text()))
+			{
+				pItem->setCheckState(Qt::Checked);
+				//Don't allow de-selection in windows VISTA if extension is registered.
+				//VISTA doesn't seem to support extension 'restoration' in the API.
+				if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA) {
+					pItem->setFlags(0);
+				}
+			}
+			else
+			{
+				pItem->setCheckState(Qt::Unchecked);
+			}
+
+		}
+	}
+}
+
+void PrefAssociations::setData(Preferences * )
+{
+	refreshList(); 
+}
+
+int PrefAssociations::ProcessAssociations(QStringList& current, QStringList& old)
+{
+	WinFileAssoc RegAssoc; 
+
+	QStringList toRestore; 
+
+	//Restore unselected associations
+	foreach(const QString& ext, old)
+	{
+		if (!current.contains(ext))
+			toRestore.append(ext); 
+	}
+
+	RegAssoc.RestoreFileAssociations(toRestore); 
+	return RegAssoc.CreateFileAssociations(current); 
+}
+
+void PrefAssociations::getData(Preferences *)
+{
+	qDebug("PrefAssociations::getData: something_changed: %d", something_changed);
+	if (!something_changed) return;
+	
+	QStringList extensions; 
+
+	for (int k = 0; k < listWidget->count(); k++)
+	{
+		QListWidgetItem* pItem = listWidget->item(k); 
+		if (pItem && pItem->checkState() == Qt::Checked)
+			extensions.append(pItem->text()); 
+	}
+
+	int processed = ProcessAssociations(extensions, m_regExtensions); 
+
+	if (processed != extensions.count())
+	{
+		QMessageBox::warning(this, tr("Warning"), 
+            tr("Not all files could be associated. Please check your "
+               "security permissions and retry."), QMessageBox::Ok);
+	}
+	
+	refreshList(); //Useless when OK is pressed... How to detect if apply or ok is pressed ?
+
+	something_changed = false;
+}
+
+QString PrefAssociations::sectionName() {
+	return tr("File Types");
+}
+
+QPixmap PrefAssociations::sectionIcon() {
+	return Images::icon("pref_associations", 22);
+}
+
+void PrefAssociations::retranslateStrings() {
+
+	retranslateUi(this);
+	createHelp();
+}
+
+void PrefAssociations::createHelp() {
+
+	clearHelp();
+
+	setWhatsThis(selectAll, tr("Select all"), 
+		tr("Check all file types in the list"));
+
+	setWhatsThis(selectNone, tr("Select none"), 
+		tr("Uncheck all file types in the list"));
+
+	setWhatsThis(listWidget, tr("List of file types"), 
+		tr("Check the media file extensions you would like SMPlayer to handle. "
+		   "When you click Apply, the checked files will be associated with "
+		   "SMPlayer. If you uncheck a media type, the file association will "
+		   "be restored.") +
+        tr(" <b>Note:</b> (Restoration doesn't work on Windows Vista)."));
+}
+
+#include "moc_prefassociations.cpp"
+
diff --git a/src/qmmpui/prefassociations.h b/src/qmmpui/prefassociations.h
new file mode 100644
index 000000000..8171cefe3
--- /dev/null
+++ b/src/qmmpui/prefassociations.h
@@ -0,0 +1,72 @@
+/*  smplayer, GUI front-end for mplayer.
+    Copyright (C) 2006-2014 Ricardo Villalba <rvm@users.sourceforge.net>
+
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+	prefassociations.h
+	Handles file associations in Windows
+	Author: Florin Braghis (florin@libertv.ro)
+*/
+
+#ifndef _PREFASSOCIATIONS_H_
+#define _PREFASSOCIATIONS_H_
+
+#include "ui_prefassociations.h"
+#include "prefwidget.h"
+
+class Preferences;
+
+class PrefAssociations : public PrefWidget, public Ui::PrefAssociations
+{
+	Q_OBJECT
+
+public:
+	PrefAssociations( QWidget * parent = 0, Qt::WindowFlags f = 0 );
+	~PrefAssociations();
+
+	virtual QString sectionName();
+	virtual QPixmap sectionIcon();
+
+	// Pass data to the dialog
+	void setData(Preferences * pref);
+
+	// Apply changes
+	void getData(Preferences * pref);
+
+	void addItem(QString label); 
+
+	int ProcessAssociations(QStringList& current, QStringList& old);
+	void refreshList(); 
+
+protected:
+	QStringList m_regExtensions; 
+protected:
+	virtual void createHelp();
+
+protected:
+	virtual void retranslateStrings();
+
+public slots:
+	void selectAllClicked(bool); 
+	void selectNoneClicked(bool); 
+	void listItemClicked(QListWidgetItem* item); 
+	void listItemPressed(QListWidgetItem* item); 
+	
+protected:
+	bool something_changed;
+};
+
+#endif
diff --git a/src/qmmpui/qmmpui.pro b/src/qmmpui/qmmpui.pro
index 91ec9d731..82b14259e 100644
--- a/src/qmmpui/qmmpui.pro
+++ b/src/qmmpui/qmmpui.pro
@@ -1,24 +1,35 @@
 include(../../qmmp.pri)
-unix:TARGET = ../../lib/qmmpui
-win32:TARGET = ../../../bin/qmmpui
+
+VERSION = $$QMMP_VERSION
+INCLUDEPATH += ../
+TEMPLATE = lib
+QT += network
+
 CONFIG += warn_on \
     shared \
     create_pc create_prl no_install_prl \
     qt \
     thread
+
 QMAKE_LIBDIR += ../../lib \
     qmmpui
+
 LIBS += -Wl,-rpath,./
-unix:LIBS += -L../../lib \
-    -lqmmp
-win32:LIBS += -L../../bin \
-    -lqmmp0
-INCLUDEPATH += ../
-TEMPLATE = lib
-unix:isEmpty(LIB_DIR):LIB_DIR = /lib
-VERSION = $$QMMP_VERSION
-unix:target.path = $$LIB_DIR
-QT += network
+
+unix {
+    TARGET = ../../lib/qmmpui
+    LIBS += -L../../lib -lqmmp
+    isEmpty(LIB_DIR):LIB_DIR = /lib
+    target.path = $$LIB_DIR
+}
+
+win32 {
+    TARGET = ../../../bin/qmmpui
+    LIBS += -L../../bin -lqmmp0
+    HEADERS += prefassociations.h
+    SOURCES += prefassociations.cpp
+}
+
 HEADERS += general.h \
     generalfactory.h \
     playlistformat.h \