Added support for internationalization

Merged from the mainline client. Originally implemented by Guillaume
Melquiond, starting with commit 1828eee6a6d91fd385ad1e69d93044516493aa91.

Conflicts:

	INSTALL
	configure.ac
	src/Makefile.am
	src/gui/buy.cpp
	src/gui/confirm_dialog.cpp
	src/gui/inventorywindow.cpp
	src/gui/login.cpp
	src/gui/menuwindow.cpp
	src/gui/minimap.cpp
	src/gui/ok_dialog.cpp
	src/gui/popupmenu.cpp
	src/gui/register.cpp
	src/gui/sell.cpp
	src/gui/setup.cpp
	src/gui/setup_video.cpp

Signed-off-by: Ira Rice <irarice@gmail.com>

1 files changed, 30 insertions, 28 deletions

diff --git a/src/gui/register.cpp b/src/gui/register.cpp
index ec6a9756..5d687425 100644
--- a/src/gui/register.cpp
+++ b/src/gui/register.cpp
@@ -40,6 +40,9 @@
 
 #include "../utils/tostring.h"
 
+#include "../utils/gettext.h"
+#include "../utils/strprintf.h"
+
 void
 WrongDataNoticeListener::setTarget(gcn::TextField *textField)
 {
@@ -56,25 +59,24 @@ WrongDataNoticeListener::action(const gcn::ActionEvent &event)
 }
 
 RegisterDialog::RegisterDialog(LoginData *loginData):
-    Window("Register"),
+    Window(_("Register")),
     mWrongDataNoticeListener(new WrongDataNoticeListener()),
     mLoginData(loginData)
 {
-    gcn::Label *userLabel = new gcn::Label("Name:");
-    gcn::Label *passwordLabel = new gcn::Label("Password:");
-    gcn::Label *confirmLabel = new gcn::Label("Confirm:");
-    gcn::Label *serverLabel = new gcn::Label("Server:");
-    gcn::Label *portLabel = new gcn::Label("Port:");
-
+    gcn::Label *userLabel = new gcn::Label(_("Name:"));
+    gcn::Label *passwordLabel = new gcn::Label(_("Password:"));
+    gcn::Label *confirmLabel = new gcn::Label(_("Confirm:"));
+    gcn::Label *serverLabel = new gcn::Label(_("Server:"));
+    gcn::Label *portLabel = new gcn::Label(_("Port:"));
     mUserField = new TextField(loginData->username);
     mPasswordField = new PasswordField(loginData->password);
     mConfirmField = new PasswordField();
     mServerField = new TextField(loginData->hostname);
     mPortField = new TextField(toString(loginData->port));
-    mMaleButton = new RadioButton("Male", "sex", true);
-    mFemaleButton = new RadioButton("Female", "sex", false);
-    mRegisterButton = new Button("Register", "register", this);
-    mCancelButton = new Button("Cancel", "cancel", this);
+    mMaleButton = new RadioButton(_("Male"), "sex", true);
+    mFemaleButton = new RadioButton(_("Female"), "sex", false);
+    mRegisterButton = new Button(_("Register"), "register", this);
+    mCancelButton = new Button(_("Cancel"), "cancel", this);
 
     const int WIDTH = 220;
     const int HEIGHT = 170;
@@ -181,47 +183,47 @@ RegisterDialog::action(const gcn::ActionEvent &event)
     else if (event.getId() == "register" && canSubmit())
     {
         const std::string user = mUserField->getText();
-        logger->log("RegisterDialog::register Username is %s", user.c_str());
+        logger->log(_("RegisterDialog::register Username is %s"), user.c_str());
 
-        std::stringstream errorMsg;
+        std::string errorMsg;
         int error = 0;
 
         if (user.length() < LEN_MIN_USERNAME)
         {
             // Name too short
-            errorMsg << "The username needs to be at least "
-                     << LEN_MIN_USERNAME
-                     << " characters long.";
+            errorMsg = strprintf
+                (_("The username needs to be at least %d characters long."),
+                 LEN_MIN_USERNAME);
             error = 1;
         }
         else if (user.length() > LEN_MAX_USERNAME - 1 )
         {
             // Name too long
-            errorMsg << "The username needs to be less than "
-                     << LEN_MAX_USERNAME
-                     << " characters long.";
+            errorMsg = strprintf
+                (_("The username needs to be less than %d characters long."),
+                 LEN_MAX_USERNAME);
             error = 1;
         }
         else if (mPasswordField->getText().length() < LEN_MIN_PASSWORD)
         {
             // Pass too short
-            errorMsg << "The password needs to be at least "
-                     << LEN_MIN_PASSWORD
-                     << " characters long.";
+            errorMsg = strprintf
+                (_("The password needs to be at least %d characters long."),
+                 LEN_MIN_PASSWORD);
             error = 2;
         }
         else if (mPasswordField->getText().length() > LEN_MAX_PASSWORD - 1 )
         {
             // Pass too long
-            errorMsg << "The password needs to be less than "
-                     << LEN_MAX_PASSWORD
-                     << " characters long.";
+            errorMsg = strprintf
+                (_("The password needs to be less than %d characters long."),
+                 LEN_MAX_PASSWORD);
             error = 2;
         }
         else if (mPasswordField->getText() != mConfirmField->getText())
         {
             // Password does not match with the confirmation one
-            errorMsg << "Passwords do not match.";
+            errorMsg = _("Passwords do not match.");
             error = 2;
         }
 
@@ -240,8 +242,8 @@ RegisterDialog::action(const gcn::ActionEvent &event)
                 mWrongDataNoticeListener->setTarget(this->mPasswordField);
             }
 
-            OkDialog *mWrongRegisterNotice = new OkDialog("Error",
-                                                          errorMsg.str());
+            OkDialog *mWrongRegisterNotice =
+                new OkDialog(_("Error"), errorMsg);
             mWrongRegisterNotice->addActionListener(mWrongDataNoticeListener);
         }
         else