Qt: Generate .qm files during build

Change-Id: Ia2ee723227e1b331eeec0f0463654f35a4c9f37b
Reviewed-on: https://code.wireshark.org/review/14508
Petri-Dish: Martin Kaiser <wireshark@kaiser.cx>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Martin Kaiser <wireshark@kaiser.cx>

.gitignore

@@ -186,7 +186,7 @@ qtshark
 /ui/qt/__/
 /ui/qt/*.qrc.depends
 /ui/qt/*.pro.user
-#/ui/qt/*.qm
+/ui/qt/*.qm
 /ui/qt/moc_*.cpp
 /ui/qt/moc_*.cpp_parameters
 /ui/qt/*.moc.cpp

configure.ac

@@ -1302,6 +1302,8 @@ if test "x$enable_wireshark" = "xyes"; then
 			AC_SUBST(MOC)
 			AC_WIRESHARK_QT_TOOL_CHECK(RCC, rcc, "$qt_version")
 			AC_SUBST(RCC)
+			AC_WIRESHARK_QT_TOOL_CHECK(LRELEASE, lrelease, "$qt_version")
+			AC_SUBST(LRELEASE)
 
 			#
 			# On Darwin, find where the Qt frameworks are

ui/qt/CMakeLists.txt

@@ -450,7 +450,7 @@ set(WIRESHARK_QT_QRC
 	../../image/layout.qrc
 	../../image/toolbar.qrc
 	../../image/wsicon.qrc
-	i18n.qrc
+	${CMAKE_CURRENT_BINARY_DIR}/i18n.qrc
 )
 
 set(WIRESHARK_QT_TS
@@ -469,7 +469,7 @@ include_directories(
 )
 
 if (QT_VERSION EQUAL 5)
-	QT5_ADD_TRANSLATION(WIRESHARK_QT_TS_QM ${WIRESHARK_QT_TS})
+	QT5_ADD_TRANSLATION(WIRESHARK_QT_QM ${WIRESHARK_QT_TS})
 	QT5_ADD_RESOURCES(WIRESHARK_QT_QRC_SRC ${WIRESHARK_QT_QRC})
 	QT5_WRAP_UI(WIRESHARK_QT_UI_SRC ${WIRESHARK_QT_UI})
 	# For now, do the moc stuff manually
@@ -480,7 +480,7 @@ if (QT_VERSION EQUAL 5)
 	# or
 	# set_target_properties(${some-source-files} PROPERTIES AUTOMOC TRUE)
 else()
-	QT4_ADD_TRANSLATION(WIRESHARK_QT_TS_QM ${WIRESHARK_QT_TS})
+	QT4_ADD_TRANSLATION(WIRESHARK_QT_QM ${WIRESHARK_QT_TS})
 	QT4_ADD_RESOURCES(WIRESHARK_QT_QRC_SRC ${WIRESHARK_QT_QRC})
 	QT4_WRAP_UI(WIRESHARK_QT_UI_SRC ${WIRESHARK_QT_UI})
 	# For now, do the moc stuff manually
@@ -492,6 +492,20 @@ else()
 	# set_target_properties(${some-source-files} PROPERTIES AUTOMOC TRUE)
 endif()
 
+foreach(_file ${WIRESHARK_QT_QM})
+	get_filename_component(_qresource ${_file} NAME)
+	set(i18n_qresource "${i18n_qresource}\n    <file>${_qresource}</file>")
+	set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/i18n.qrc PROPERTIES OBJECT_DEPENDS ${_file})
+endforeach()
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/i18n.qrc.in ${CMAKE_CURRENT_BINARY_DIR}/i18n.qrc)
+
+add_custom_target(
+	translations ALL
+	DEPENDS
+		${WIRESHARK_QT_QM}
+)
+set_target_properties(translations PROPERTIES FOLDER "UI")
+
 if (WERROR_COMMON_FLAGS)
 	set_source_files_properties(
 		${WIRESHARK_QT_FILES}
@@ -513,9 +527,9 @@ add_library(qtui STATIC
 	${WIRESHARK_QT_UI_SRC}
 	${WIRESHARK_QT_MOC_SRC}
 	${WIRESHARK_QT_QRC_SRC}
-	${WIRESHARK_QT_TS_QM}
 	wireshark-tap-register.c
 )
+add_dependencies(qtui translations)
 set_target_properties(qtui PROPERTIES LINK_FLAGS "${WS_LINK_FLAGS}")
 set_target_properties(qtui PROPERTIES FOLDER "UI")
 

ui/qt/Makefile.am

@@ -40,7 +40,9 @@ CLEANFILES = \
 	*~
 
 DISTCLEANFILES = \
-	$(NODIST_GENERATED_FILES)
+	$(NODIST_GENERATED_FILES)	\
+	$(QM_FILES)		\
+	i18n.qrc
 
 MAINTAINERCLEANFILES = \
 	$(GENERATED_FILES)		\
@@ -112,6 +114,10 @@ AM_V_UIC = $(am__v_UIC_@AM_V@)
 am__v_UIC_ = $(am__v_UIC_@AM_DEFAULT_V@)
 am__v_UIC_0 = @echo "  UIC     " $@;
 
+AM_V_LRELEASE = $(am__v_LRELEASE_@AM_V@)
+am__v_LRELEASE_ = $(am__v_LRELEASE_@AM_DEFAULT_V@)
+am__v_LRELEASE_0 = @echo "  LRELEASE  " $@;
+
 #
 # For building .moc.cpp files from .h files by running moc,
 # building .rcc.cpp files from .qrc files by running rcc,
@@ -148,6 +154,17 @@ qrc_wsicon.cpp: ../../image/wsicon.qrc
 ui_%.h: %.ui
 	$(AM_V_UIC)$(UIC) $< -o $@
 
+wireshark_%.qm: wireshark_%.ts
+	$(AM_V_LRELEASE)$(LRELEASE) -silent $< -qm $@
+
+i18n_qresource := $(foreach qm, $(QM_FILES),<file>$(qm)</file>)
+
+i18n.qrc: i18n.qrc.in $(QM_FILES)
+	$(AM_V_SED)$(SED) \
+		-e 's,@i18n_qresource\@,$(i18n_qresource),' \
+		-e 's,> *<file>,>\n    <file>,g' \
+		< $< > $@
+
 #
 # Explicit dependencies to force the ui_ headers to be built.
 # See "Recording Dependencies manually" in the "Built Sources"
@@ -331,7 +348,6 @@ EXTRA_DIST = \
 	$(UI_FILES)			\
 	$(QRC_FILES)			\
 	$(TS_FILES)			\
-	$(QM_FILES)			\
 	CMakeLists.txt			\
 	doxygen.cfg.in			\
 	Makefile.common			\

ui/qt/Makefile.common

@@ -414,7 +414,6 @@ TS_FILES =	\
 #
 # .qm files.
 #
-# Should they be auto-generated ?
 QM_FILES = $(TS_FILES:.ts=.qm)
 
 WIRESHARK_QT_SRC =	\

ui/qt/i18n.qrc

@@ -1,30 +0,0 @@
-<!--
-  Wireshark - Network traffic analyzer
-  By Gerald Combs <gerald@wireshark.org>
-  Copyright 1998 Gerald Combs
-
-  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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
--->
-<RCC>
-    <qresource prefix="/i18n">
-        <file>wireshark_de.qm</file>
-        <file>wireshark_en.qm</file>
-        <file>wireshark_fr.qm</file>
-        <file>wireshark_it.qm</file>
-        <file>wireshark_ja_JP.qm</file>
-        <file>wireshark_pl.qm</file>
-        <file>wireshark_zh_CN.qm</file>
-    </qresource>
-</RCC>

ui/qt/i18n.qrc.in

@@ -0,0 +1,4 @@
+<RCC>
+  <qresource prefix="/i18n">@i18n_qresource@
+  </qresource>
+</RCC>