[Gtk] Restore cross-compilation for Windows

CMakeLists.txt

@@ -128,7 +128,6 @@ IF("${INTERFACE_TYPE}" STREQUAL "gtk")
         ENDIF()
     ENDIF()
     PKG_CHECK_MODULES(FONTCONFIG REQUIRED fontconfig)
-    PKG_CHECK_MODULES(UUID REQUIRED uuid)
     INCLUDE_DIRECTORIES(
         ${GTKMM_INCLUDE_DIRS}
         ${GTKSOURCEVIEWMM_INCLUDE_DIRS}
@@ -141,7 +140,6 @@ IF("${INTERFACE_TYPE}" STREQUAL "gtk")
         ${LIBJPEG_INCLUDE_DIRS}
         ${FONTCONFIG_INCLUDE_DIRS}
         ${LIBZIP_INCLUDE_DIRS}
-        ${UUID_INCLUDE_DIRS}
     )
     SET(gimagereader_LIBS
         ${GTKMM_LDFLAGS}
@@ -155,7 +153,6 @@ IF("${INTERFACE_TYPE}" STREQUAL "gtk")
         ${LIBJPEG_LDFLAGS}
         ${FONTCONFIG_LDFLAGS}
         ${LIBZIP_LDFLAGS}
-        ${UUID_LDFLAGS}
     )
     SET(srcdir "gtk")
 ELSEIF("${INTERFACE_TYPE}" STREQUAL "qt5")

gtk/src/Config.cc

@@ -239,7 +239,7 @@ std::string Config::tessdataLocation(Location location) {
 	if(location == SystemLocation) {
 #ifdef G_OS_WIN32
 		std::string dataDir = Glib::build_filename(pkgDir, "share");
-		Glib::setenv("TESSDATA_PREFIX",  Glib::build_filename(dataDir, "tessdata");
+		Glib::setenv("TESSDATA_PREFIX",  Glib::build_filename(dataDir, "tessdata"));
 #else
 		Glib::unsetenv("TESSDATA_PREFIX");
 #endif

gtk/src/FileDialogs.cc

@@ -27,6 +27,7 @@
 #include <gdk/gdkwin32.h>
 #include <windows.h>
 #include <locale>
+#include <shlobj.h>
 #else
 #include <gdk/gdkx.h>
 #endif
@@ -120,12 +121,15 @@ static std::string win32_open_folder_dialog(const Glib::ustring& title, const st
 	binfo.iImage = 0;
 	PIDLIST_ABSOLUTE result = SHBrowseForFolderW(&binfo);
 	if(result == NULL) {
+		// ToDo: shouldn't we release the memory hold by "result"?...
 		return std::string();
 	}
-	wchar_t buffer[MAX_PATH];
-	if(SHGetPathFromIDList(pidl, buffer)) {
-		return ws2s(buffer);
+	TCHAR buffer[MAX_PATH];
+	if(SHGetPathFromIDList(result, buffer)) {
+	    // ToDo: shouldn't we release the memory hold by "result"?...
+		return std::string(buffer);
 	}
+	// ToDo: shouldn't we release the memory hold by "result"?...
 	return std::string();
 }
 

gtk/src/FileTreeModel.cc

@@ -46,7 +46,7 @@ void FileTreeModel::recursive_row_inserted(const Gtk::TreeIter& index) {
 
 Gtk::TreeIter FileTreeModel::insertFile(std::string filePath, DataObject* data, const Glib::ustring& displayName) {
 #ifdef G_OS_WIN32
-	std::string fileDir = std::string("/") + Glib::path_get_dirname(filePath);
+	Glib::ustring fileDir = std::string("/") + Glib::path_get_dirname(filePath);
 	Utils::string_replace(fileDir, "\\", "/", true);
 	filePath = std::string("/") + filePath;
 	std::string tempPath = std::string("/") + Glib::get_tmp_dir();
@@ -182,7 +182,7 @@ Gtk::TreeIter FileTreeModel::findFile(const std::string& filePath, bool isFile)
 
 #ifdef G_OS_WIN32
 	std::string prefix = "/";
-	std::string fileDir = std::string("/") + Glib::path_get_dirname(filePath);
+	Glib::ustring fileDir = std::string("/") + Glib::path_get_dirname(filePath);
 	Utils::string_replace(fileDir, "\\", "/", true);
 	std::string tempPath = std::string("/") + Glib::get_tmp_dir();
 #else

gtk/src/Utils.cc

@@ -25,6 +25,11 @@
 #include <clocale>
 #include <csignal>
 #include <fontconfig/fontconfig.h>
+
+#ifdef G_OS_WIN32
+#include <windows.h>
+#endif
+
 #define USE_STD_NAMESPACE
 #include <tesseract/baseapi.h>
 #undef USE_STD_NAMESPACE
@@ -192,9 +197,11 @@ std::string Utils::make_absolute_path(const std::string& path, const std::string
 		return path;
 	}
 	std::string abspath = Glib::build_filename(basepath, path);
+#ifdef G_OS_UNIX
 	char* realabspath = realpath(abspath.c_str(), nullptr);
 	abspath = std::string(realabspath);
 	free(realabspath);
+#endif
 	return abspath;
 }
 

gtk/src/hocr/HOCROdtExporter.cc

@@ -29,7 +29,7 @@
 #include <cstring>
 #include <iomanip>
 #include <libxml++/libxml++.h>
-#include <uuid/uuid.h>
+#include <glib/guuid.h>
 #include <zip.h>
 
 static Glib::ustring manifestNS_URI("urn:oasis:names:tc:opendocument:xmlns:manifest:1.0");
@@ -352,18 +352,12 @@ void HOCROdtExporter::writeImage(zip* fzip, std::map<const HOCRItem*, Glib::ustr
 	if(item->itemClass() == "ocr_graphic") {
 		Cairo::RefPtr<Cairo::ImageSurface> selection;
 		Utils::runInMainThreadBlocking([&] { selection = getSelection(item->bbox()); });
-//#if GLIB_CHECK_VERSION(2, 52, 0)
-//		gchar* guuid = g_uuid_string_random();
-//		Glib::ustring uuid(guuid);
-//		g_free(guuid);
-//		uuid = uuid.substr(1, uuid.length() - 2); // Remove {}
-//#else
-		uuid_t uuidGenerated;
-		uuid_generate_random(uuidGenerated);
-		char uuidBuff[36];
-		uuid_unparse(uuidGenerated, uuidBuff);
-		Glib::ustring uuid(uuidBuff);
-//#endif
+
+		gchar* guuid = g_uuid_string_random();
+		Glib::ustring uuid(guuid);
+		g_free(guuid);
+		uuid = uuid.substr(1, uuid.length() - 2); // Remove {}
+
 		Glib::ustring filename = Glib::ustring::compose("Pictures/%1.png", uuid);
 
 		Glib::RefPtr<Glib::ByteArray> pngbytes = Glib::ByteArray::create();

packaging/win32/Dockerfile

@@ -2,6 +2,8 @@ FROM fedora:rawhide
 
 MAINTAINER Sandro Mani <[email protected]>
 
+RUN dnf -y update; dnf clean all
+
 RUN \
 echo all > /etc/rpm/macros.image-language-conf && \
 dnf install -y \
@@ -16,6 +18,7 @@ dnf install -y \
   tesseract \
   mingw32-nsis \
   zip \
+  python3-gobject \
   \
   mingw32-gdb \
   mingw32-gcc-c++ \
@@ -34,6 +37,19 @@ dnf install -y \
   mingw32-twaindsm \
   mingw32-quazip-qt5 \
   \
+  mingw32-libzip \
+  mingw32-gtk3 gtk3 gtk3-devel \
+  mingw32-glib2-static glib2 glib2-devel \
+  mingw32-gtkmm30 \
+  mingw32-gtkspell3 \
+  mingw32-gtkspellmm30 \
+  mingw32-gtksourceviewmm3 \
+  mingw32-cairomm \
+  mingw32-poppler \
+  mingw32-poppler-glib \
+  mingw32-json-glib \
+  mingw32-libxml++ \
+  \
   mingw64-gdb \
   mingw64-gcc-c++ \
   mingw64-dlfcn \
@@ -49,7 +65,21 @@ dnf install -y \
   mingw64-qtspell-qt5 \
   mingw64-tesseract \
   mingw64-twaindsm \
-  mingw64-quazip-qt5
+  mingw64-quazip-qt5 \
+  \
+  mingw64-libzip \
+  mingw64-gtk3 gtk3 gtk3-devel \
+  mingw64-glib2-static glib2 glib2-devel \
+  mingw64-gtkmm30 \
+  mingw64-gtkspell3 \
+  mingw64-gtkspellmm30 \
+  mingw64-gtksourceviewmm3 \
+  mingw64-cairomm \
+  mingw64-poppler \
+  mingw64-poppler-glib \
+  mingw64-json-glib \
+  mingw64-libxml++
+
 
 WORKDIR /workspace
-VOLUME ["/workspace"]
+VOLUME ["/workspace"]

packaging/win32/makeinstaller.sh

@@ -217,4 +217,4 @@ makensis -DNAME=$progName -DARCH=$arch -DVARIANT="$variant" -DPROGVERSION="$prog
 # Cleanup
 rm -rf $installroot
 
-echo "Installer written to $PWD/${progName}_${progVersion}_${iface}_${arch}.exe"
+echo "Installer written to $PWD/${progName}_${progVersion}_${iface}_${arch}.exe"