Add: show completion progress of languages in the language dropdown for non-release builds.

3 files changed, 12 insertions, 4 deletions

diff --git a/src/lang/english.txt b/src/lang/english.txt
index 125273ed9..8eb7616bc 100644
--- a/src/lang/english.txt
+++ b/src/lang/english.txt
@@ -993,6 +993,7 @@ STR_GAME_OPTIONS_AUTOSAVE_DROPDOWN_EVERY_12_MONTHS              :Every 12 months
 
 STR_GAME_OPTIONS_LANGUAGE                                       :{BLACK}Language
 STR_GAME_OPTIONS_LANGUAGE_TOOLTIP                               :{BLACK}Select the interface language to use
+STR_GAME_OPTIONS_LANGUAGE_PERCENTAGE                            :{RAW_STRING} ({NUM}% completed)
 
 STR_GAME_OPTIONS_FULLSCREEN                                     :{BLACK}Fullscreen
 STR_GAME_OPTIONS_FULLSCREEN_TOOLTIP                             :{BLACK}Check this box to play OpenTTD fullscreen mode
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
index 0705c3fcc..1e3bdb7d7 100644
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -36,6 +36,7 @@
 #include "querystring_gui.h"
 #include "fontcache.h"
 #include "zoom_func.h"
+#include "rev.h"
 #include "video/video_driver.hpp"
 #include "music/music_driver.hpp"
 
@@ -217,7 +218,8 @@ struct GameOptionsWindow : Window {
 
 			case WID_GO_LANG_DROPDOWN: { // Setup interface language dropdown
 				for (uint i = 0; i < _languages.size(); i++) {
-					auto item = new DropDownListParamStringItem(STR_JUST_RAW_STRING, i, false);
+					bool hide_percentage = IsReleasedVersion() || _languages[i].missing < _settings_client.gui.missing_strings_threshold;
+					auto item = new DropDownListParamStringItem(hide_percentage ? STR_JUST_RAW_STRING : STR_GAME_OPTIONS_LANGUAGE_PERCENTAGE, i, false);
 					if (&_languages[i] == _current_language) {
 						*selected_index = i;
 						item->SetParamStr(0, _languages[i].own_name);
@@ -229,6 +231,7 @@ struct GameOptionsWindow : Window {
 						 * entries in the dropdown list. */
 						item->SetParamStr(0, _languages[i].name);
 					}
+					item->SetParam(1, (LANGUAGE_TOTAL_STRINGS - _languages[i].missing) * 100 / LANGUAGE_TOTAL_STRINGS);
 					list.emplace_back(item);
 				}
 				std::sort(list.begin(), list.end(), DropDownListStringItem::NatSortFunc);
diff --git a/src/strgen/strgen.cpp b/src/strgen/strgen.cpp
index 9377e6362..68002cc3f 100644
--- a/src/strgen/strgen.cpp
+++ b/src/strgen/strgen.cpp
@@ -273,13 +273,14 @@ struct HeaderFileWriter : HeaderWriter, FileWriter {
 	const char *real_filename;
 	/** The previous string ID that was printed. */
 	int prev;
+	uint total_strings;
 
 	/**
 	 * Open a file to write to.
 	 * @param filename The file to open.
 	 */
 	HeaderFileWriter(const char *filename) : FileWriter("tmp.xxx"),
-		real_filename(stredup(filename)), prev(0)
+		real_filename(stredup(filename)), prev(0), total_strings(0)
 	{
 		fprintf(this->fh, "/* This file is automatically generated. Do not modify */\n\n");
 		fprintf(this->fh, "#ifndef TABLE_STRINGS_H\n");
@@ -297,6 +298,7 @@ struct HeaderFileWriter : HeaderWriter, FileWriter {
 		if (prev + 1 != stringid) fprintf(this->fh, "\n");
 		fprintf(this->fh, "static const StringID %s = 0x%X;\n", name, stringid);
 		prev = stringid;
+		total_strings++;
 	}
 
 	void Finalise(const StringData &data)
@@ -311,8 +313,10 @@ struct HeaderFileWriter : HeaderWriter, FileWriter {
 			"\n"
 			"static const uint LANGUAGE_PACK_VERSION     = 0x%X;\n"
 			"static const uint LANGUAGE_MAX_PLURAL       = %u;\n"
-			"static const uint LANGUAGE_MAX_PLURAL_FORMS = %d;\n\n",
-			(uint)data.Version(), (uint)lengthof(_plural_forms), max_plural_forms
+			"static const uint LANGUAGE_MAX_PLURAL_FORMS = %d;\n"
+			"static const uint LANGUAGE_TOTAL_STRINGS    = %u;\n"
+			"\n",
+			(uint)data.Version(), (uint)lengthof(_plural_forms), max_plural_forms, total_strings
 		);
 
 		fprintf(this->fh, "#endif /* TABLE_STRINGS_H */\n");