gambitproject · oocf · Aug 29, 2026 · Sep 2, 2026
diff --git a/Makefile.am b/Makefile.am
@@ -50,6 +50,9 @@ EXTRA_DIST = \
 	src/gui/bitmaps/undo.h \
 	src/gui/bitmaps/redo.h \
 	src/gui/bitmaps/gambitrc.rc \
+	po/gambit.pot \
+	po/es.po \
+	po/fr.po \
 	contrib/games/2s2x2x2.efg \
 	contrib/games/2x2x2.efg \
 	contrib/games/4cards.efg \
@@ -347,7 +350,8 @@ bin_PROGRAMS = gambit
 endif
 
 # Define VERSION for all C++ compilations and set include paths
-AM_CPPFLAGS = -I$(top_srcdir)/src -DVERSION=\"$(VERSION)\"
+AM_CPPFLAGS = -I$(top_srcdir)/src -DVERSION=\"$(VERSION)\" \
+	-DLOCALEDIR=\"$(LOCALEDIR)\"
 
 AM_CXXFLAGS = ${LLVM_CXXFLAGS}
 
@@ -379,6 +383,8 @@ gambit_SOURCES = \
 	src/gui/edittext.h \
 	src/gui/dlabout.cc \
 	src/gui/dlabout.h \
+	src/gui/dlpreferences.cc \
+	src/gui/dlpreferences.h \
 	src/gui/dleditmove.cc \
 	src/gui/dleditmove.h \
 	src/gui/dleditnode.cc \
@@ -457,6 +463,56 @@ endif
 src/gui/bitmaps/gambitrc.o: src/gui/bitmaps/gambitrc.rc
 	$(WINDRES) $(WX_CXXFLAGS) -I$(srcdir)/src/gui/bitmaps -o $@ $<
 
+#-----------------------------------------------------------------------
+# Translations
+#
+# GUI strings are extracted with xgettext (maintainer action, "make update-po"),
+# kept as hand-edited po/<lang>.po files, and compiled to GNU mo catalogs with
+# msgfmt at build time.  The mo files are installed under $(LOCALEDIR), which
+# app.cc registers with wxLocale so that the "_()" macro translates the UI.
+# When msgfmt is unavailable, no catalogs are built/installed and the interface
+# falls back to the built-in English strings.
+#-----------------------------------------------------------------------
+
+PO_LANGS = es fr
+PO_CATALOGS = $(PO_LANGS:%=$(top_builddir)/po/%.mo)
+
+if HAVE_MSGFMT
+all-local: $(PO_CATALOGS)
+
+$(top_builddir)/po/%.mo: $(top_srcdir)/po/%.po
+	$(MKDIR_P) $(top_builddir)/po
+	$(MSGFMT) --check -o $@ $<
+
+install-data-local: $(PO_CATALOGS)
+	@for lang in $(PO_LANGS); do \
+	  $(MKDIR_P) $(DESTDIR)$(LOCALEDIR)/$$lang/LC_MESSAGES || exit 1; \
+	  $(INSTALL_DATA) $(top_builddir)/po/$$lang.mo \
+	    $(DESTDIR)$(LOCALEDIR)/$$lang/LC_MESSAGES/gambit.mo || exit 1; \
+	done
+endif
+
+if HAVE_XGETTEXT
+.PHONY: update-po
+update-po: po/gambit.pot
+	@for lang in $(PO_LANGS); do \
+	  test -f po/$$lang.po || cp -f po/gambit.pot po/$$lang.po; \
+	  msgmerge --update --quiet po/$$lang.po po/gambit.pot >/dev/null 2>&1 || true; \
+	done
+
+po/gambit.pot: $(gambit_SOURCES)
+	$(MKDIR_P) po
+	$(XGETTEXT) --keyword=_ --keyword=wxPLURAL:1,2 --add-comments=TRANSLATORS: \
+	  --from-code=UTF-8 --language=C++ -o $@ $(gambit_SOURCES)
+	$(XGETTEXT) --keyword=_ --keyword=wxPLURAL:1,2 --add-comments=TRANSLATORS: \
+	  --from-code=UTF-8 --language=C++ -j -o $@ $(wildcard src/gui/*.h)
+endif
+
+uninstall-local:
+	@for lang in $(PO_LANGS); do \
+	  rm -f $(DESTDIR)$(LOCALEDIR)/$$lang/LC_MESSAGES/gambit.mo; \
+	done
+
 osx-bundle:
 	make all
 	-rm -rf Gambit.app
@@ -476,6 +532,12 @@ osx-dmg:  osx-bundle
 msw-msi:
 	-mkdir installer
 	cp gambit* installer
+if HAVE_MSGFMT
+	$(MSGFMT) --check -o $(top_builddir)/po/es.mo $(top_srcdir)/po/es.po
+	$(MSGFMT) --check -o $(top_builddir)/po/fr.mo $(top_srcdir)/po/fr.po
+	cp $(top_builddir)/po/es.mo installer/es.mo
+	cp $(top_builddir)/po/fr.mo installer/fr.mo
+endif
 	candle build_support/msw/gambit.wxs
 	light -ext WixUIExtension gambit.wixobj
 

diff --git a/build_support/msw/gambit.wxs.in b/build_support/msw/gambit.wxs.in
@@ -68,7 +68,18 @@
 
         <Directory Id="TARGETDIR" Name="SourceDir">
             <Directory Id="ProgramFiles64Folder">
-                <Directory Id="ApplicationRootDirectory" Name="Gambit"/>
+                <Directory Id="ApplicationRootDirectory" Name="Gambit">
+                    <Directory Id="Gambit.share" Name="share">
+                        <Directory Id="Gambit.locale" Name="locale">
+                            <Directory Id="Gambit.es" Name="es">
+                                <Directory Id="Gambit.es.messages" Name="LC_MESSAGES"/>
+                            </Directory>
+                            <Directory Id="Gambit.fr" Name="fr">
+                                <Directory Id="Gambit.fr.messages" Name="LC_MESSAGES"/>
+                            </Directory>
+                        </Directory>
+                    </Directory>
+                </Directory>
             </Directory>
             <Directory Id="ProgramMenuFolder">
                 <Directory Id="ApplicationProgramsFolder" Name="Gambit"/>
@@ -101,10 +112,22 @@
                 <RegistryValue Root="HKCU" Key="Software\Gambit\Gambit @GAMBIT_MSI_MAJOR@" Name="installed" Type="integer" Value="1" KeyPath="yes"/>
             </Component>
         </DirectoryRef>
+        <DirectoryRef Id="Gambit.es.messages">
+            <Component Id="Gambit.es.mo" Guid="7E5C11A2-3B14-4E9A-8C2F-1D0B6A9A9E41" Win64="yes">
+                <File Id="gambit.es.mo" Source="installer\es.mo" Name="gambit.mo" KeyPath="yes"/>
+            </Component>
+        </DirectoryRef>
+        <DirectoryRef Id="Gambit.fr.messages">
+            <Component Id="Gambit.fr.mo" Guid="8F6D22B3-4C25-4FAB-9D30-2E1C7B0B0F52" Win64="yes">
+                <File Id="gambit.fr.mo" Source="installer\fr.mo" Name="gambit.mo" KeyPath="yes"/>
+            </Component>
+        </DirectoryRef>
         <Feature Id="Complete" Level="1">
             <ComponentRef Id="Gambit.exe"/>
             <ComponentRef Id="Gambit.copying"/>
             <ComponentRef Id="ApplicationShortcut"/>
+            <ComponentRef Id="Gambit.es.mo"/>
+            <ComponentRef Id="Gambit.fr.mo"/>
         </Feature>
     </Product>
 </Wix>
diff --git a/configure.ac b/configure.ac
@@ -143,6 +143,27 @@ AC_SUBST(WX_LIBS)
 AC_SUBST(WX_LIBS_STATIC)
 AC_SUBST(WX_CXXFLAGS)
 
+dnl---------------------------------------
+dnl Checking for gettext tools & locale dir
+dnl---------------------------------------
+AC_ARG_VAR([LOCALEDIR], [Directory for installed locale data files])
+test -n "$LOCALEDIR" || LOCALEDIR='${datadir}/locale'
+AC_SUBST(LOCALEDIR)
+
+AC_CHECK_PROG([MSGFMT], [msgfmt], [msgfmt])
+if test -n "$MSGFMT"; then
+  AM_CONDITIONAL([HAVE_MSGFMT], [true])
+else
+  AM_CONDITIONAL([HAVE_MSGFMT], [false])
+fi
+
+AC_CHECK_PROG([XGETTEXT], [xgettext], [xgettext])
+if test -n "$XGETTEXT"; then
+  AM_CONDITIONAL([HAVE_XGETTEXT], [true])
+else
+  AM_CONDITIONAL([HAVE_XGETTEXT], [false])
+fi
+
 
 REZFLAGS=`echo $CXXFLAGS $WX_CXXFLAGS | sed 's/-mthreads//g' | sed 's/-g//g' | sed 's/-O. / /g' | sed 's/-I/--include-dir /g'`
 AC_SUBST(REZFLAGS)

diff --git a/po/es.po b/po/es.po
@@ -0,0 +1,162 @@
+# Spanish translations for Gambit.
+# Copyright (C) 2026 The Gambit Project
+# This file is distributed under the same license as the Gambit package.
+# Fernando P. <fernando@example.org>, 2026.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Gambit\n"
+"Report-Msgid-Bugs-To: https://github.com/gambitproject/gambit\n"
+"POT-Creation-Date: 2026-08-29 00:00+0000\n"
+"PO-Revision-Date: 2026-08-29 00:00+0000\n"
+"Last-Translator: Fernando P. <fernando@example.org>\n"
+"Language-Team: Spanish <es@li.org>\n"
+"Language: es\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#. Main menu bar
+msgid "&File"
+msgstr "&Archivo"
+
+msgid "&Edit"
+msgstr "&Editar"
+
+msgid "&View"
+msgstr "&Ver"
+
+msgid "&Format"
+msgstr "&Formato"
+
+msgid "&Tools"
+msgstr "&Herramientas"
+
+msgid "&Help"
+msgstr "&Ayuda"
+
+#. File menu
+msgid "&Extensive game"
+msgstr "Juego &extensivo"
+
+msgid "&Strategic game"
+msgstr "Juego &estratégico"
+
+msgid "&New"
+msgstr "&Nuevo"
+
+msgid "&Open\tCtrl-O"
+msgstr "&Abrir\tCtrl-O"
+
+msgid "&Save\tCtrl-S"
+msgstr "&Guardar\tCtrl-S"
+
+msgid "Save &as\tShift-Ctrl-S"
+msgstr "Guardar &como\tShift-Ctrl-S"
+
+msgid "&Export"
+msgstr "&Exportar"
+
+msgid "Page Se&tup"
+msgstr "Configur&ación de página"
+
+msgid "Print Pre&view"
+msgstr "&Vista preliminar"
+
+msgid "&Print\tCtrl-P"
+msgstr "&Imprimir\tCtrl-P"
+
+msgid "&Close\tCtrl-W"
+msgstr "&Cerrar\tCtrl-W"
+
+msgid "E&xit\tCtrl-Q"
+msgstr "&Salir\tCtrl-Q"
+
+#. Edit menu
+msgid "&Undo\tCtrl-Z"
+msgstr "&Deshacer\tCtrl-Z"
+
+msgid "&Redo\tShift-Ctrl-Z"
+msgstr "&Rehacer\tShift-Ctrl-Z"
+
+msgid "&Game"
+msgstr "&Juego"
+
+msgid "&Preferences"
+msgstr "&Preferencias"
+
+#. View menu
+msgid "&Profiles"
+msgstr "&Perfiles"
+
+msgid "Zoom &In\tCtrl-+"
+msgstr "A&mpliar\tCtrl-+"
+
+msgid "Zoom &Out\tCtrl--"
+msgstr "&Reducir\tCtrl--"
+
+msgid "&Actual Size\tCtrl-0"
+msgstr "Tamaño &real\tCtrl-0"
+
+msgid "Zoom to &Fit"
+msgstr "Ajustar a la &ventana"
+
+msgid "La&bels"
+msgstr "&Etiquetas"
+
+msgid "&Font"
+msgstr "&Fuente"
+
+msgid "&Layout"
+msgstr "&Diseño"
+
+#. Tools menu
+msgid "&Dominance"
+msgstr "&Dominancia"
+
+msgid "&Equilibrium"
+msgstr "&Equilibrio"
+
+msgid "&QRE"
+msgstr "&QRE"
+
+#. Help menu / dialogs
+msgid "&About Gambit"
+msgstr "&Acerca de Gambit"
+
+msgid "Welcome to Gambit"
+msgstr "Bienvenido a Gambit"
+
+msgid "Preferences"
+msgstr "Preferencias"
+
+msgid "Language:"
+msgstr "Idioma:"
+
+msgid "Appearance:"
+msgstr "Apariencia:"
+
+msgid "System (default)"
+msgstr "Sistema (predeterminado)"
+
+msgid "English"
+msgstr "Inglés"
+
+msgid "Spanish"
+msgstr "Español"
+
+msgid "French"
+msgstr "Francés"
+
+msgid "Light"
+msgstr "Claro"
+
+msgid "Dark"
+msgstr "Oscuro"
+
+msgid "OK"
+msgstr "Aceptar"
+
+msgid "Cancel"
+msgstr "Cancelar"