Merge pull request #427 from andreasb242/master

Resource loading / finding

src/control/XournalMain.cpp

@@ -19,6 +19,7 @@
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/locale.hpp>
+namespace bf = boost::filesystem;
 
 #ifdef __APPLE__
 #undef ENABLE_NLS
@@ -26,8 +27,6 @@
 
 namespace bf = boost::filesystem;
 
-#include <string>
-using std::string;
 #include <iostream>
 using std::cout;
 using std::cerr;
@@ -45,7 +44,7 @@ XournalMain::~XournalMain()
 	XOJ_RELEASE_TYPE(XournalMain);
 }
 
-//it HAS to be done – otherwise such things like boost::algorithm::to_lower wont work, throwing casting exceptions
+// it HAS to be done – otherwise such things like boost::algorithm::to_lower wont work, throwing casting exceptions
 void XournalMain::initLocalisation()
 {
 	XOJ_CHECK_TYPE(XournalMain);
@@ -60,7 +59,7 @@ void XournalMain::initLocalisation()
 	textdomain(GETTEXT_PACKAGE);
 #endif //ENABLE_NLS
 
-	std::locale::global(gen("")); //"" - system default locale
+	std::locale::global(gen("")); // "" - system default locale
 	std::cout.imbue(std::locale());
 }
 
@@ -256,7 +255,10 @@ int XournalMain::run(int argc, char* argv[])
 	// Init GTK Display
 	gdk_display_open_default_libgtk_only();
 
-	GladeSearchpath* gladePath = initPath(argv[0]);
+	initSettingsPath();
+
+	GladeSearchpath* gladePath = new GladeSearchpath();
+	initResourcePath(gladePath);
 
 	// init singleton
 	string colorNameFile = Util::getConfigFile("colornames.ini").string();
@@ -327,63 +329,92 @@ int XournalMain::run(int argc, char* argv[])
 	return 0;
 }
 
-#define GLADE_UI_PATH "ui"
-
-/**
- * Path for glade files and Pixmaps, first searches in the home folder, so you can customize glade files
- */
-GladeSearchpath* XournalMain::initPath(const char* argv0)
+void XournalMain::initSettingsPath()
 {
 	XOJ_CHECK_TYPE(XournalMain);
 
-	GladeSearchpath* gladePath = new GladeSearchpath();
-
 	// Create config directory if not exists
 	path file = Util::getConfigSubfolder("");
 	bf::create_directories(file);
 	bf::permissions(file, bf::perms::owner_all);
+}
 
-	// Add first home dir to search path, to add custom glade XMLs
+/**
+ * Find a file in a resource folder, and return the resource folder path
+ * Return an empty string, if the folder was not found
+ */
+string XournalMain::findResourcePath(string searchFile)
+{
+	XOJ_CHECK_TYPE(XournalMain);
+
+	// First check if the files are available relative to the executable
+	// So a "portable" installation will be possible
+	path relative1 = searchFile;
+
+	if (bf::exists(relative1))
 	{
-		path searchPath = Util::getConfigSubfolder("ui");
-		if (bf::exists(searchPath) && bf::is_directory(searchPath))
+		return relative1.parent_path().string();
+	}
+
+	// -----------------------------------------------------------------------
+
+	// Check if we are in the "build" directory, and therefore the resources
+	// are installed two folders back
+	path relative2 = "../..";
+	relative2 /= searchFile;
+
+	if (bf::exists(relative2))
+	{
+		return relative2.string();
+	}
+
+	// -----------------------------------------------------------------------
+
+	// Check if the files are in the current working directory
+	char buffer[512] = { 0 };
+	char* workingDir = getcwd(buffer, sizeof(buffer));
+	if (workingDir != NULL)
+	{
+		path relative3 = workingDir;
+		relative3 /= searchFile;
+
+		if (bf::exists(relative3))
 		{
-			gladePath->addSearchDirectory(searchPath.c_str());
+			return relative3.string();
 		}
 	}
 
-	gchar* path = g_path_get_dirname(argv0);
-	gchar* searchPath = g_build_filename(path, GLADE_UI_PATH, NULL);
-	gladePath->addSearchDirectory(searchPath);
-	g_free(searchPath);
+	// Not found
+	return "";
+}
 
-	searchPath = g_build_filename(path, "..", GLADE_UI_PATH, NULL);
-	gladePath->addSearchDirectory(searchPath);
-	g_free(searchPath);
-	g_free(path);
+void XournalMain::initResourcePath(GladeSearchpath* gladePath)
+{
+	XOJ_CHECK_TYPE(XournalMain);
 
-	char buffer[512] = { 0 };
-	path = getcwd(buffer, sizeof(buffer));
-	if (path == NULL)
+	string uiPath = findResourcePath("ui/about.glade");
+
+	if (uiPath != "")
 	{
-		return gladePath;
+		gladePath->addSearchDirectory(uiPath);
+		return;
 	}
 
-	searchPath = g_build_filename(path, GLADE_UI_PATH, NULL);
-	gladePath->addSearchDirectory(searchPath);
-	g_free(searchPath);
+	// -----------------------------------------------------------------------
 
-	searchPath = g_build_filename(path, "..", GLADE_UI_PATH, NULL);
-	gladePath->addSearchDirectory(searchPath);
-	g_free(searchPath);
-	
-	searchPath = g_build_filename(PROJECT_SOURCE_DIR, GLADE_UI_PATH, NULL);
-	gladePath->addSearchDirectory(searchPath);
-	g_free(searchPath);
+	// Check at the target installation directory
+	path absolute = PACKAGE_DATA_DIR;
+	absolute /= PROJECT_PACKAGE;
+	absolute /= "ui/about.glade";
+
+	if (bf::exists(absolute))
+	{
+		gladePath->addSearchDirectory(absolute.parent_path().string());
+		return;
+	}
 
-	searchPath = g_build_filename(PACKAGE_DATA_DIR, PROJECT_PACKAGE, GLADE_UI_PATH, NULL);
-	gladePath->addSearchDirectory(searchPath);
-	g_free(searchPath);
+	string msg = _("Missing the needed UI file, could not find them at any location.\nNot relative\nNot in the Working Path\nNot in " PACKAGE_DATA_DIR);
+	Util::showErrorToUser(NULL, msg.c_str());
 
-	return gladePath;
+	exit(12);
 }

src/control/XournalMain.h

@@ -14,6 +14,9 @@
 #include <config.h>
 #include <XournalType.h>
 
+#include <string>
+using std::string;
+
 class GladeSearchpath;
 
 class XournalMain
@@ -32,7 +35,9 @@ private:
 	void checkForEmergencySave();
 
 	int exportPdf(const char* input, const char* output);
-	GladeSearchpath* initPath(const char* argv0);
+	void initSettingsPath();
+	void initResourcePath(GladeSearchpath* gladePath);
+	string findResourcePath(string searchFile);
 
 private:
 	XOJ_TYPE_ATTRIB;

src/control/jobs/CustomExportJob.cpp

@@ -56,7 +56,7 @@ bool CustomExportJob::isUriValid(string& uri)
 	string ext = filename.extension().string();
 	if (ext != ".pdf" && ext != ".png" && ext != ".xoj")
 	{
-		string msg = _C("File name needs to end with .pdf, .png or .xoj");
+		string msg = _("File name needs to end with .pdf, .png or .xoj");
 		Util::showErrorToUser(control->getGtkWindow(), msg);
 		return false;
 	}

src/gui/GladeSearchpath.cpp

@@ -47,7 +47,7 @@ string GladeSearchpath::findFile(string subdir, string file)
 	return "";
 }
 
-/*
+/**
  * Use this function to set the directory containing installed pixmaps and Glade XML files.
  */
 void GladeSearchpath::addSearchDirectory(string directory)