First pass at setting up translation framework.

CMakeLists.txt

@@ -34,6 +34,7 @@ find_package(Qt5Widgets 5.4 REQUIRED)
 find_package(Qt5PrintSupport 5.4 REQUIRED)
 find_package(Qt5Xml 5.4 REQUIRED)
 find_package(Qt5Svg 5.4 REQUIRED)
+find_package(Qt5LinguistTools)
 
 if (MINGW)
    # Locate Qt directories
@@ -49,6 +50,7 @@ find_package(ZLIB 1.2 REQUIRED)
 #=======================================
 add_subdirectory (glabels)
 add_subdirectory (templates)
+add_subdirectory (translations)
 add_subdirectory (data)
 
 

README.md

@@ -25,7 +25,7 @@ It is still missing several features to bring it in parity with glabels-3.4.  Th
 - Compatability with older glabels files
 - Batch mode
 - Internationalization
-- Product template designer
+- Custom product templates designer
 - Online manual
 
 ## Build Instructions
@@ -48,7 +48,7 @@ These include
 
 * Help is needed writing online documentation.
 
-* Help is needed setting up internationalization and writing translations.
+* Help is needed writing translations.
 
 * Suggestions.
 

glabels/BarcodeBackends.h

@@ -38,6 +38,8 @@ namespace glabels
 	///
 	class BarcodeBackends : public QObject
 	{
+		Q_OBJECT
+
 	  
 		/////////////////////////////////
 		// Life Cycle

glabels/CMakeLists.txt

@@ -101,6 +101,7 @@ set (glabels_sources
 
 set (glabels_qobject_headers
   AboutDialog.h
+  BarcodeBackends.h
   BarcodeMenu.h
   BarcodeMenuButton.h
   BarcodeMenuItem.h

glabels/Config.h.in

@@ -28,6 +28,7 @@ namespace glabels
 	namespace Config
 	{
 		const QString PROJECT_SOURCE_DIR    = "@glabels_SOURCE_DIR@";
+		const QString PROJECT_BUILD_DIR     = "@glabels_BINARY_DIR@";
 	}
 
 }

glabels/Db.cpp

@@ -21,12 +21,12 @@
 #include "Db.h"
 
 
-#include <QApplication>
 #include <QtDebug>
 #include <QtGlobal>
 
 #include "Config.h"
 #include "StrUtil.h"
+#include "FileUtil.h"
 #include "XmlCategoryParser.h"
 #include "XmlPaperParser.h"
 #include "XmlTemplateParser.h"
@@ -603,32 +603,9 @@ namespace glabels
 	}
 
 
-	QDir Db::systemTemplatesDir()
-	{
-		QDir dir;
-
-		// First, try finding templates directory relative to application path
-		dir.cd( QApplication::applicationDirPath() );
-		if ( (dir.dirName() == "bin") &&
-		     dir.cdUp() && dir.cd( "share" ) && dir.cd( "glabels-qt" ) && dir.cd( "templates" ) )
-		{
-			return dir;
-		}
-
-		// Next, try running out of the source directory.
-		if ( dir.cd( Config::PROJECT_SOURCE_DIR ) && dir.cd( "templates" ) )
-		{
-			return dir;
-		}
-
-		qFatal( "Cannot find template directory!" );
-		return QDir("/");
-	}
-
-
 	void Db::readPapers()
 	{
-		readPapersFromDir( systemTemplatesDir() );
+		readPapersFromDir( FileUtil::systemTemplatesDir() );
 	}
 
 
@@ -648,7 +625,7 @@ namespace glabels
 
 	void Db::readCategories()
 	{
-		readCategoriesFromDir( systemTemplatesDir() );
+		readCategoriesFromDir( FileUtil::systemTemplatesDir() );
 	}
 
 
@@ -668,7 +645,7 @@ namespace glabels
 
 	void Db::readVendors()
 	{
-		readVendorsFromDir( systemTemplatesDir() );
+		readVendorsFromDir( FileUtil::systemTemplatesDir() );
 	}
 
 
@@ -688,7 +665,7 @@ namespace glabels
 
 	void Db::readTemplates()
 	{
-		readTemplatesFromDir( systemTemplatesDir() );
+		readTemplatesFromDir( FileUtil::systemTemplatesDir() );
 
 		// TODO: Read user directories
 

glabels/FileUtil.cpp

@@ -20,23 +20,68 @@
 
 #include "FileUtil.h"
 
+#include <QApplication>
+
+#include "Config.h"
+
 
 namespace glabels
 {
 
-	namespace FileUtil
+	QString FileUtil::addExtension( const QString& rawFilename, const QString& extension )
 	{
-
-		QString addExtension( const QString& rawFilename, const QString& extension )
+		if ( rawFilename.endsWith( extension ) )
 		{
-			if ( rawFilename.endsWith( extension ) )
-			{
-				return rawFilename;
-			}
-
-			return rawFilename + extension;
+			return rawFilename;
 		}
 
+		return rawFilename + extension;
+	}
+
+
+	QDir FileUtil::systemTemplatesDir()
+	{
+		QDir dir;
+
+		// First, try finding templates directory relative to application path
+		dir.cd( QApplication::applicationDirPath() );
+		if ( (dir.dirName() == "bin") &&
+		     dir.cdUp() && dir.cd( "share" ) && dir.cd( "glabels-qt" ) && dir.cd( "templates" ) )
+		{
+			return dir;
+		}
+
+		// Next, try running out of the source directory.
+		if ( dir.cd( Config::PROJECT_SOURCE_DIR ) && dir.cd( "templates" ) )
+		{
+			return dir;
+		}
+
+		qFatal( "Cannot locate system template directory!" );
+		return QDir("/");
+	}
+
+
+	QDir FileUtil::translationsDir()
+	{
+		QDir dir;
+
+		// First, try finding translations directory relative to application path
+		dir.cd( QApplication::applicationDirPath() );
+		if ( (dir.dirName() == "bin") &&
+		     dir.cdUp() && dir.cd( "share" ) && dir.cd( "glabels-qt" ) && dir.cd( "translations" ) )
+		{
+			return dir;
+		}
+
+		// Next, try running out of the source directory.
+		if ( dir.cd( Config::PROJECT_BUILD_DIR ) && dir.cd( "translations" ) )
+		{
+			return dir;
+		}
+
+		qFatal( "Cannot locate system template directory!" );
+		return QDir("/");
 	}
 
 }

glabels/FileUtil.h

@@ -23,6 +23,7 @@
 
 
 #include <QString>
+#include <QDir>
 
 
 namespace glabels
@@ -33,6 +34,10 @@ namespace glabels
 
 		QString addExtension( const QString& rawFilename, const QString& extension );
 
+		QDir systemTemplatesDir();
+		QDir userTemplatesDir();
+
+		QDir translationsDir();
 	}
 
 }

glabels/FrameCd.h

@@ -30,6 +30,8 @@ namespace glabels
 
 	class FrameCd : public Frame
 	{
+		Q_DECLARE_TR_FUNCTIONS(FrameCd)
+
 	public:
 		FrameCd( const Distance& r1,
 		         const Distance& r2,

glabels/FrameEllipse.h

@@ -30,6 +30,7 @@ namespace glabels
 
 	class FrameEllipse : public Frame
 	{
+		Q_DECLARE_TR_FUNCTIONS(FrameEllipse)
 		
 	public:
 		FrameEllipse( const Distance& w,

glabels/FrameRect.h

@@ -30,6 +30,8 @@ namespace glabels
 
 	class FrameRect : public Frame
 	{
+		Q_DECLARE_TR_FUNCTIONS(FrameRect)
+
 	public:
 		FrameRect( const Distance& w,
 			   const Distance& h,

glabels/FrameRound.h

@@ -30,6 +30,7 @@ namespace glabels
 
 	class FrameRound : public Frame
 	{
+		Q_DECLARE_TR_FUNCTIONS(FrameRound)
 
 	public:
 		FrameRound( const Distance& r,

glabels/XmlUtil.cpp

@@ -22,6 +22,7 @@
 
 
 #include <QTextStream>
+#include <QCoreApplication>
 #include <QtDebug>
 
 
@@ -192,7 +193,6 @@ namespace glabels
 	{
 		init();
 
-		// TODO: are translations done in a compatable way, so that we can use "_name" attributes?
 		QString i18nString = node.attribute( QString("_").append(name), "" );
 
 		if ( i18nString == "" )
@@ -200,7 +200,7 @@ namespace glabels
 			return node.attribute( name, default_value );
 		}
 
-		return i18nString;
+		return QCoreApplication::translate( "XmlStrings", i18nString.toUtf8().constData() );
 	}
 
 

glabels/glabels_main.cpp

@@ -20,7 +20,11 @@
 
 
 #include <QApplication>
+#include <QLocale>
+#include <QTranslator>
+#include <QtDebug>
 
+#include "FileUtil.h"
 #include "Db.h"
 #include "MainWindow.h"
 #include "Settings.h"
@@ -36,19 +40,39 @@ int main( int argc, char **argv )
 	QCoreApplication::setOrganizationDomain( "glabels.org" );
 	QCoreApplication::setApplicationName( "glabels-qt" );
 
+	//
+	// Setup translators
+	//
+	QLocale locale = QLocale::system();
+	QString translationsDir = glabels::FileUtil::translationsDir().canonicalPath();
+	
+	QTranslator glabelsTranslator;
+	if ( glabelsTranslator.load( locale, "glabels", "_", translationsDir ) )
+	{
+		app.installTranslator(&glabelsTranslator);
+	}
+
+	QTranslator templatesTranslator;
+	if ( templatesTranslator.load( locale, "templates", "_", translationsDir ) )
+	{
+		app.installTranslator(&templatesTranslator);
+	}
+
+	
+	//
+	// Initialize subsystems
+	//
 	glabels::Settings::init();
 	glabels::Db::init();
 	glabels::merge::Factory::init();
-	////// TEMPORARY TESTING ////////
-#if 0
-	glabels::Db::printKnownPapers();
-	glabels::Db::printKnownCategories();
-	glabels::Db::printKnownVendors();
-	glabels::Db::printKnownTemplates();
-#endif
-	/////////////////////////////////
+
 	
 	/// @TODO open file(s) from command line if present, otherwise start wizard
+
+	
+	//
+	// Launch main window
+	//
 	glabels::MainWindow mainWindow;
 	mainWindow.show();
 

templates/CMakeLists.txt

@@ -49,6 +49,10 @@ set (other_db_files
   vendors.xml
 )
 
+# Export variables to parent scope
+set (template_files ${template_files} PARENT_SCOPE)
+set (other_db_files ${other_db_files} PARENT_SCOPE)
+
 #=======================================
 # Install
 #=======================================

translations/CMakeLists.txt

@@ -0,0 +1,97 @@
+#=======================================
+# Translation files
+#=======================================
+# without this a "make clean" would delete the .ts files
+set_directory_properties (PROPERTIES CLEAN_NO_CUSTOM 1)
+
+#
+# gLabels Translation Files
+#
+set (glabels_ts_files
+  glabels_C.ts
+)
+
+#
+# Template Translation Files
+#
+set (templates_ts_files
+  templates_C.ts
+)
+
+qt5_create_translation (glabels_qm_files
+  ${CMAKE_SOURCE_DIR}/glabels ${glabels_ts_files}
+)
+
+qt5_create_translation (templates_qm_files
+  ${CMAKE_CURRENT_BINARY_DIR}/template-strings.h ${templates_ts_files}
+  OPTIONS -locations none
+)
+
+add_custom_target (update_translations DEPENDS ${glabels_qm_files} ${templates_qm_files})
+
+# Add updating translations as a dependency for glabels-qt
+add_dependencies (glabels-qt update_translations)
+
+
+#=======================================
+# Compilation
+#=======================================
+add_compile_options (-std=c++11 -g)
+if (NOT WIN32)
+   add_compile_options (-fPIC)
+endif ()
+
+
+#=======================================
+# XmlStrings utility
+#=======================================
+set (XmlStrings_sources
+  XmlStrings.cpp
+)
+
+add_executable (XmlStrings WIN32
+  ${XmlStrings_sources}
+)
+
+target_link_libraries (XmlStrings
+  ${Qt5Xml_LIBRARIES}
+  ${Qt5Svg_LIBRARIES}
+)
+
+include_directories (
+  ${Qt5Xml_INCLUDE_DIRS}
+  ${Qt5Svg_INCLUDE_DIRS}
+)
+
+
+#=======================================
+# Extract translatable strings from XML
+# template files.
+#=======================================
+# Use absolute locations of XML files
+string (REGEX REPLACE "([^;]+)" "${CMAKE_SOURCE_DIR}/templates/\\1"
+  xml_files "${template_files};${other_db_files}"
+)
+
+add_custom_command (
+  OUTPUT template-strings.h
+  COMMAND XmlStrings ${xml_files} > template-strings.h
+  COMMENT "Extracting template strings."
+  DEPENDS XmlStrings ${xml_files}
+)
+
+set_source_files_properties (template-strings.h PROPERTIES GENERATED TRUE)
+
+add_custom_target (template-strings DEPENDS template-strings.h)
+
+
+#=======================================
+# Subdirectories
+#=======================================
+
+
+#=======================================
+# Install
+#=======================================
+install (FILES ${glabels_qm_files}   DESTINATION share/glabels-qt/translations)
+install (FILES ${templates_qm_files} DESTINATION share/glabels-qt/translations)

translations/XmlStrings.cpp

@@ -0,0 +1,108 @@
+/*  XmlStrings.cpp
+ *
+ *  Copyright (C) 2013-2016  Jim Evins <evins@snaught.com>
+ *
+ *  This file is part of gLabels-qt.
+ *
+ *  gLabels-qt 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 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  gLabels-qt 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 gLabels-qt.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QApplication>
+#include <QStringList>
+#include <QFile>
+#include <QDomDocument>
+#include <QDomNode>
+#include <QDomAttr>
+#include <QTextStream>
+#include <QDebug>
+
+
+namespace
+{
+	QStringList stringList;
+}
+
+
+void parseElement( const QDomElement& node )
+{
+	// Examine each attribute for translatable strings
+	QDomNamedNodeMap attrNodes = node.attributes();
+	for ( int i = 0; i < attrNodes.count(); i++ )
+	{
+		QDomAttr attr = attrNodes.item(i).toAttr();
+		if ( attr.name().at(0) == '_' )
+		{
+			if ( !stringList.contains( attr.value() ) )
+			{
+				stringList.append( attr.value() );
+			}
+		}
+	}
+
+	// Recurse over children
+	for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
+	{
+		parseElement( child.toElement() );
+	}
+}
+
+
+void parseFile( const QString& filename )
+{
+	QFile file( filename );
+
+	if ( file.open( QFile::ReadOnly|QFile::Text ) )
+	{
+		QDomDocument doc;
+
+		if ( doc.setContent( &file, false ) )
+		{
+			QDomElement root = doc.documentElement();
+
+			parseElement( root );
+		}
+	}
+}
+
+
+int main( int argc, char *argv[] )
+{
+	QCoreApplication app( argc, argv );
+
+	QStringList filenameList = app.arguments();
+	filenameList.removeFirst();  // Remove 0th argument, which is the command name
+
+	foreach ( QString filename, filenameList )
+	{
+		parseFile( filename );
+	}
+
+	stringList.sort();
+
+	QTextStream out( stdout );
+
+	out << "// Automatically generated with " << app.arguments().at(0) << endl;
+	out << "//" << endl;
+	out << "// Sources:" << endl;
+	foreach ( QString filename, filenameList )
+	{
+		out << "//         " << filename << endl;
+	}
+	out << "//" << endl;
+		
+	foreach ( QString string, stringList )
+	{
+		out << "QT_TRANSLATE_NOOP( \"XmlStrings\", \"" << string << "\" );" << endl;
+	}
+}