Add fwgettext util function

src/client/game.cpp

@@ -1927,24 +1927,18 @@ void Game::processKeyInput()
 	} else if (wasKeyDown(KeyType::INC_VOLUME)) {
 		if (g_settings->getBool("enable_sound")) {
 			float new_volume = rangelim(g_settings->getFloat("sound_volume") + 0.1f, 0.0f, 1.0f);
-			wchar_t buf[100];
 			g_settings->setFloat("sound_volume", new_volume);
-			const wchar_t *str = wgettext("Volume changed to %d%%");
+			std::wstring msg = fwgettext("Volume changed to %d%%", myround(new_volume * 100));
-			swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
+			m_game_ui->showStatusText(msg);
-			delete[] str;
-			m_game_ui->showStatusText(buf);
 		} else {
 			m_game_ui->showTranslatedStatusText("Sound system is disabled");
 		}
 	} else if (wasKeyDown(KeyType::DEC_VOLUME)) {
 		if (g_settings->getBool("enable_sound")) {
 			float new_volume = rangelim(g_settings->getFloat("sound_volume") - 0.1f, 0.0f, 1.0f);
-			wchar_t buf[100];
 			g_settings->setFloat("sound_volume", new_volume);
-			const wchar_t *str = wgettext("Volume changed to %d%%");
+			std::wstring msg = fwgettext("Volume changed to %d%%", myround(new_volume * 100));
-			swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
+			m_game_ui->showStatusText(msg);
-			delete[] str;
-			m_game_ui->showStatusText(buf);
 		} else {
 			m_game_ui->showTranslatedStatusText("Sound system is disabled");
 		}
@@ -2329,20 +2323,13 @@ void Game::increaseViewRange()
 	s16 range = g_settings->getS16("viewing_range");
 	s16 range_new = range + 10;
 
-	wchar_t buf[255];
-	const wchar_t *str;
 	if (range_new > 4000) {
 		range_new = 4000;
-		str = wgettext("Viewing range is at maximum: %d");
+		std::wstring msg = fwgettext("Viewing range is at maximum: %d", range_new);
-		swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
+		m_game_ui->showStatusText(msg);
-		delete[] str;
-		m_game_ui->showStatusText(buf);
-
 	} else {
-		str = wgettext("Viewing range changed to %d");
+		std::wstring msg = fwgettext("Viewing range changed to %d", range_new);
-		swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
+		m_game_ui->showStatusText(msg);
-		delete[] str;
-		m_game_ui->showStatusText(buf);
 	}
 	g_settings->set("viewing_range", itos(range_new));
 }
@@ -2353,19 +2340,13 @@ void Game::decreaseViewRange()
 	s16 range = g_settings->getS16("viewing_range");
 	s16 range_new = range - 10;
 
-	wchar_t buf[255];
-	const wchar_t *str;
 	if (range_new < 20) {
 		range_new = 20;
-		str = wgettext("Viewing range is at minimum: %d");
+		std::wstring msg = fwgettext("Viewing range is at minimum: %d", range_new);
-		swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
+		m_game_ui->showStatusText(msg);
-		delete[] str;
-		m_game_ui->showStatusText(buf);
 	} else {
-		str = wgettext("Viewing range changed to %d");
+		std::wstring msg = fwgettext("Viewing range changed to %d", range_new);
-		swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
+		m_game_ui->showStatusText(msg);
-		delete[] str;
-		m_game_ui->showStatusText(buf);
 	}
 	g_settings->set("viewing_range", itos(range_new));
 }

src/client/gameui.cpp

@@ -299,12 +299,9 @@ void GameUI::toggleProfiler()
 	updateProfiler();
 
 	if (m_profiler_current_page != 0) {
-		wchar_t buf[255];
+		std::wstring msg = fwgettext("Profiler shown (page %d of %d)",
-		const wchar_t* str = wgettext("Profiler shown (page %d of %d)");
-		swprintf(buf, sizeof(buf) / sizeof(wchar_t), str,
 				m_profiler_current_page, m_profiler_max_page);
-		delete[] str;
+		showStatusText(msg);
-		showStatusText(buf);
 	} else {
 		showTranslatedStatusText("Profiler hidden");
 	}

src/gettext.h

@@ -59,3 +59,21 @@ inline std::string strgettext(const std::string &text)
 {
 	return text.empty() ? "" : gettext(text.c_str());
 }
+
+/**
+ * Returns translated string with format args applied
+ *
+ * @tparam Args Template parameter for format args
+ * @param src Translation source string
+ * @param args Variable format args
+ * @return translated string
+ */
+template <typename ...Args>
+inline std::wstring fwgettext(const char *src, Args&&... args)
+{
+	wchar_t buf[255];
+	const wchar_t* str = wgettext(src);
+	swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, std::forward<Args>(args)...);
+	delete[] str;
+	return std::wstring(buf);
+}

util/updatepo.sh

@@ -54,6 +54,7 @@ xgettext --package-name=minetest \
 	--add-location=file \
 	--keyword=N_ \
 	--keyword=wgettext \
+	--keyword=fwgettext \
 	--keyword=fgettext \
 	--keyword=fgettext_ne \
 	--keyword=strgettext \