compile qm on the fly at the time of the build.

trying to fix builds before 4.0 release.

add qttools5-dev to ubuntu package list
add qt5-linguist to snapcraft file
add missing file

.travis.yml

@@ -16,9 +16,9 @@ matrix:
 install:
   - |
     if [ "${TRAVIS_OS_NAME}" = "linux" ]; then
-      sudo apt-get -y install qt5-default libfuse-dev libmagic-dev libtag1-dev libssl-dev
+      sudo apt-get -y install qt5-default qttools5-dev qttools5-dev-tools libfuse-dev libmagic-dev libtag1-dev libssl-dev
     elif [ "${TRAVIS_OS_NAME}" = "freebsd" ]; then
-      sudo pkg install -y ninja qt5-qmake qt5-buildtools qt5-widgets fusefs-libs pybind11 taglib
+      sudo pkg install -y ninja qt5-qmake qt5-buildtools qt5-widgets qt5-linguist fusefs-libs pybind11 taglib
     elif [ "${TRAVIS_OS_NAME}" = "osx" ]; then
       brew tap homebrew/cask && brew install qt5 homebrew/cask/osxfuse pybind11 taglib openssl@1.1
     fi

qt/CMakeLists.txt

@@ -4,10 +4,12 @@ if(DESIRED_QT_VERSION)
 	else()
 		find_package(Qt5Widgets QUIET)
 		find_package(Qt5Network QUIET)
+		find_package(Qt5LinguistTools QUIET)
 	endif()
 else()
 	find_package(Qt5Widgets QUIET)
 	find_package(Qt5Network QUIET)
+	find_package(Qt5LinguistTools QUIET)
 	find_package(Qt4 QUIET)
 endif()
 
@@ -40,18 +42,43 @@ set(FORMS mainwindow.ui
 	renamedialog.ui
 )
 
+set(TS_FILES
+	translations/android-file-transfer-linux_cs.ts
+	translations/android-file-transfer-linux_it.ts
+	translations/android-file-transfer-linux_nl.ts
+	translations/android-file-transfer-linux_ru.ts
+)
+
 if (Qt5Widgets_FOUND)
 	message(STATUS "Using Qt5")
 	qt5_wrap_cpp(HEADERS_MOC ${HEADERS})
 	qt5_wrap_ui(FORMS_HEADERS ${FORMS})
-	qt5_add_resources(RESOURCES android-file-transfer.qrc)
+
+	qt5_add_translation(QM_FILES ${TS_FILES})
+	set(QM_FILES_XML "")
+	foreach(_QM ${QM_FILES})
+		get_filename_component(_QM ${_QM} NAME)
+		set(QM_FILES_XML "${QM_FILES_XML}<file>${_QM}</file>")
+	endforeach()
+	configure_file(translations/translations.qrc.in translations.qrc)
+
+	qt5_add_resources(RESOURCES android-file-transfer.qrc ${CMAKE_CURRENT_BINARY_DIR}/translations.qrc)
 	include_directories(${Qt5Widgets_INCLUDE_DIRS} ${Qt5Network_INCLUDE_DIRS})
 	set(EXTRA_QT_LINK ${Qt5Widgets_LIBRARIES} ${Qt5Network_LIBRARIES})
 elseif(Qt4_FOUND OR QT_FOUND OR QT4_FOUND)
 	message(STATUS "Using Qt4")
 	qt4_wrap_cpp(HEADERS_MOC ${HEADERS})
 	qt4_wrap_ui(FORMS_HEADERS ${FORMS})
-	qt4_add_resources(RESOURCES android-file-transfer.qrc)
+
+	qt4_add_translation(QM_FILES ${TS_FILES})
+	set(QM_FILES_XML "")
+	foreach(_QM ${QM_FILES})
+		get_filename_component(_QM ${_QM} NAME)
+		set(QM_FILES_XML "${QM_FILES_XML}<file>${_QM}</file>")
+	endforeach()
+	configure_file(translations/translations.qrc.in translations.qrc)
+
+	qt4_add_resources(RESOURCES android-file-transfer.qrc ${CMAKE_CURRENT_BINARY_DIR}/translations.qrc)
 	include(${QT_USE_FILE})
 	set(EXTRA_QT_LINK Qt4::QtNetwork ${QT_LIBRARIES})
 else()

qt/android-file-transfer.qrc

@@ -1,8 +1,6 @@
 <RCC>
     <qresource prefix="/">
         <file>android-file-transfer.png</file>
-        <file>translations/android-file-transfer-linux_ru.qm</file>
-        <file>translations/android-file-transfer-linux_cs.qm</file>
         <file>icons/dark/folder-new.svg</file>
         <file>icons/dark/go-next.svg</file>
         <file>icons/dark/go-previous.svg</file>

qt/main.cpp

@@ -70,7 +70,7 @@ int main(int argc, char *argv[])
 	app.installTranslator(&qtTranslator);
 
 	QTranslator aTranslator;
-	aTranslator.load(":/translations/android-file-transfer-linux_" + QLocale::system().name());
+	aTranslator.load(":/android-file-transfer-linux_" + QLocale::system().name());
 	app.installTranslator(&aTranslator);
 
 	MainWindow w;

qt/translations/translations.qrc.in

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        ${QM_FILES_XML}
+    </qresource>
+</RCC>

snap/snapcraft.yaml

@@ -63,6 +63,8 @@
 
       build-packages:
         - qt5-default
+        - qttools5-dev
+        - qttools5-dev-tools
         - libfuse-dev
         - libmagic-dev
         - libtag1-dev