Add initial version the new language selection dialog.

It works but the used widgets look ugly and since scrolling isn't
possible yet only a few languages can be choosen.

data/gui/default/window/language_selection.cfg

@@ -0,0 +1,154 @@
+###
+### Definition of the window select the language.
+###
+
+[window]
+	id = "language_selection"
+	description = "Language selection dialog."
+
+	[resolution]
+		definition = "default"
+
+		automatic_placement = "true"
+		vertical_placement = "center"
+		horizontal_placement = "center"
+
+		[grid]
+			
+			[row]
+				grow_factor = 0
+
+				[column]
+					grow_factor = 1
+
+					border = "all"
+					border_size = 5
+					horizontal_alignment = "left"
+					[label]
+						definition = "title"
+
+						label = _ "Language"
+					[/label]
+
+				[/column]
+
+			[/row]
+
+			[row]
+				grow_factor = 0
+
+				[column]
+					grow_factor = 1
+
+					border = "all"
+					border_size = 5
+					horizontal_alignment = "left"
+					[label]
+						definition = "default"
+
+						label = _ "Choose your preferred language:"
+					[/label]
+
+				[/column]
+
+			[/row]
+
+			[row]
+				grow_factor = 1
+				vertical_grow = "true"
+
+				[column]
+					grow_factor = 1
+					horizontal_grow = "true" 
+
+					border = "all"
+					border_size = 5
+					horizontal_alignment = "right"
+
+					[listbox]
+						id = "language_list"
+						definition = "default"
+
+						assume_fixed_row_size = "true"
+
+						[list_definition]
+
+							[row]
+								 grow_factor = 1
+								 horizontal_grow = "true"
+
+								 [column]
+									border = "all"
+									border_size = 2
+									horizontal_alignment = "left"
+
+									[toggle_button]
+										definition = "default"
+									[/toggle_button]
+
+								[/column]
+
+							[/row]
+
+						[/list_definition]
+
+					[/listbox]
+
+				[/column]
+
+			[/row]
+
+			[row]
+				grow_factor = 0
+
+				[column]
+					grow_factor = 1
+					horizontal_grow = "true" 
+
+					[grid]
+
+						[row]
+							grow_factor = 0
+
+							[column]
+								border = "all"
+								border_size = 5
+								horizontal_alignment = "right"
+
+								[button]
+									id = "ok"
+									definition = "default"
+
+									size_text = _ "Change language"
+									label = _ "Change language"
+								[/button]
+
+							[/column]
+
+							[column]
+								border = "all"
+								border_size = 5
+								horizontal_alignment = "right"
+
+								[button]
+									id = "cancel"
+									definition = "default"
+
+									label = _ "Cancel"
+								[/button]
+
+							[/column]
+
+						[/row]
+
+					[/grid]
+
+				[/column]
+
+			[/row]
+
+		[/grid]
+
+	[/resolution]
+
+[/window]

po/wesnoth-lib/POTFILES.in

@@ -5,6 +5,7 @@ src/font.cpp
 src/game_preferences.cpp
 src/game_preferences_display.cpp
 src/gui/dialogs/addon_connect.cpp
+src/gui/dialogs/language_selection.cpp
 src/gui/widgets/button.cpp
 src/gui/widgets/canvas.cpp
 src/gui/widgets/control.cpp

src/CMakeLists.txt

@@ -167,6 +167,7 @@ SET(wesnoth-main_SRC
     generate_report.cpp
     generic_event.cpp
     gui/dialogs/addon_connect.cpp
+    gui/dialogs/language_selection.cpp
     gui/widgets/button.cpp
     gui/widgets/canvas.cpp
     gui/widgets/control.cpp

src/Makefile.am

@@ -68,6 +68,7 @@ wesnoth_source = \
 	generate_report.cpp \
 	generic_event.cpp \
 	gui/dialogs/addon_connect.cpp \
+	gui/dialogs/language_selection.cpp \
 	gui/widgets/button.cpp \
 	gui/widgets/canvas.cpp \
 	gui/widgets/control.cpp \

src/SConscript

@@ -81,6 +81,7 @@ libwesnoth_sources = Split("""
     widgets/textbox.cpp
     widgets/widget.cpp
     wml_exception.cpp
+    gui/dialogs/language_selection.cpp
     gui/dialogs/addon_connect.cpp
     gui/widgets/button.cpp
     gui/widgets/canvas.cpp

src/game.cpp

@@ -30,6 +30,7 @@
 #include "gamestatus.hpp"
 #include "gettext.hpp"
 #include "gui/dialogs/addon_connect.hpp"
+#include "gui/dialogs/language_selection.hpp"
 #include "gui/widgets/button.hpp"
 #include "help.hpp"
 #include "hotkeys.hpp"
@@ -1678,41 +1679,60 @@ bool game_controller::play_multiplayer()
 
 bool game_controller::change_language()
 {
-	const std::vector<language_def>& languages = get_languages();
-	std::vector<std::string> langs;
+	if(new_widgets) {
+			gui2::tlanguage_selection dlg;
 
-	for (std::vector<language_def>::const_iterator itor = languages.begin();
-			itor != languages.end(); ++itor) {
-		if (*itor == get_language()) {
-			langs.push_back("*" + itor->language);
-		} else {
-			langs.push_back(itor->language);
-		}
-	}
+			dlg.show(disp().video());
+			
+			if(dlg.get_retval() == gui2::tbutton::OK) {
+				std::cerr << "OK\n";
+				if(!no_gui_) {
+					std::string wm_title_string = _("The Battle for Wesnoth");
+					wm_title_string += " - " + game_config::revision;
+					SDL_WM_SetCaption(wm_title_string.c_str(), NULL);
+				}
 
-	gui::dialog lmenu(disp(),_("Language"),
-	                         _("Choose your preferred language:"),
-	                         gui::OK_CANCEL);
-	lmenu.set_menu(langs);
-	const int res = lmenu.show();
-	if(size_t(res) < langs.size()) {
-		::set_language(languages[res]);
-		preferences::set_language(languages[res].localename);
+				refresh_game_cfg(true);
+			} else {
+				std::cerr << "Cancel\n";
+			}
 
-		if(!no_gui_) {
-			std::string wm_title_string = _("The Battle for Wesnoth");
-			wm_title_string += " - " + game_config::revision;
-			SDL_WM_SetCaption(wm_title_string.c_str(), NULL);
-		}
-
-		refresh_game_cfg(true);
 	} else {
-		return false;
+		const std::vector<language_def>& languages = get_languages();
+		std::vector<std::string> langs;
+
+		for (std::vector<language_def>::const_iterator itor = languages.begin();
+				itor != languages.end(); ++itor) {
+			if (*itor == get_language()) {
+				langs.push_back("*" + itor->language);
+			} else {
+				langs.push_back(itor->language);
+			}
+		}
+
+		gui::dialog lmenu(disp(),_("Language"),
+								 _("Choose your preferred language:"),
+								 gui::OK_CANCEL);
+		lmenu.set_menu(langs);
+		const int res = lmenu.show();
+		if(size_t(res) < langs.size()) {
+			::set_language(languages[res]);
+			preferences::set_language(languages[res].localename);
+
+			if(!no_gui_) {
+				std::string wm_title_string = _("The Battle for Wesnoth");
+				wm_title_string += " - " + game_config::revision;
+				SDL_WM_SetCaption(wm_title_string.c_str(), NULL);
+			}
+
+			refresh_game_cfg(true);
+		} else {
+			return false;
+		}
+
+		font::load_font_config();
+		hotkey::load_descriptions();
 	}
-
-	font::load_font_config();
-	hotkey::load_descriptions();
-
 	return true;
 }
 

src/gui/dialogs/addon_connect.cpp

@@ -20,6 +20,7 @@
 #include "gui/widgets/window_builder.hpp"
 #include "gui/widgets/settings.hpp"
 #include "gui/widgets/text_box.hpp"
+#include "gui/widgets/vertical_scrollbar.hpp"
 #include "log.hpp"
 #include "video.hpp"
 
@@ -42,6 +43,16 @@ void taddon_connect::show(CVideo& video)
 		window.keyboard_capture(host_widget);
 	}
 
+	tvertical_scrollbar* test_widget = dynamic_cast<tvertical_scrollbar*>(window.get_widget_by_id("test"));
+	if(test_widget) {
+		std::cerr << "testing scrollbar\n";
+		
+		test_widget->set_visible_items(10);
+		test_widget->set_item_count(200);
+		test_widget->set_item_position(0);
+		test_widget->set_step_size(1);
+	}
+
 	retval_ = window.show(true);
 
 	if(host_widget) {

src/gui/dialogs/language_selection.cpp

@@ -0,0 +1,71 @@
+/* $Id$ */
+/*
+   copyright (C) 2008 by mark de wever <koraq@xs4all.nl>
+   part of the battle for wesnoth project http://www.wesnoth.org/
+
+   this program is free software; you can redistribute it and/or modify
+   it under the terms of the gnu general public license version 2
+   or at your option any later version.
+   this program is distributed in the hope that it will be useful,
+   but without any warranty.
+
+   see the copying file for more details.
+*/
+
+#include "gui/dialogs/language_selection.hpp"
+
+#include "foreach.hpp"
+#include "gui/widgets/button.hpp"
+#include "gui/widgets/listbox.hpp"
+#include "gui/widgets/settings.hpp"
+#include "gui/widgets/window.hpp"
+#include "gui/widgets/window_builder.hpp"
+#include "language.hpp"
+#include "log.hpp"
+#include "preferences.hpp"
+#include "video.hpp"
+#include "wml_exception.hpp"
+
+#define DBG_GUI LOG_STREAM_INDENT(debug, widget)
+#define LOG_GUI LOG_STREAM_INDENT(info, widget)
+#define WRN_GUI LOG_STREAM_INDENT(warn, widget)
+#define ERR_GUI LOG_STREAM_INDENT(err, widget)
+
+namespace gui2 {
+
+void tlanguage_selection::show(CVideo& video)
+{
+	gui2::init();
+
+	twindow window = build(video, get_id(LANGUAGE_SELECTION));
+
+	tlistbox* list = dynamic_cast<tlistbox*>(window.get_widget_by_id("language_list"));
+	VALIDATE(list, "No list defined.");
+
+	// Note we only do 15 lines since the listbox can't handle scrolling (yet).
+	/*const*/ std::vector<language_def>/*&*/ languages = get_languages();
+	languages.resize(15);
+	const language_def& current_language = get_language();
+	foreach(const language_def& lang, languages) {
+
+		list->add_item(lang.language);
+		if(lang == current_language) {
+			std::cerr << "select row " << list->get_item_count() - 1 << ".\n";
+			list->select_row(list->get_item_count() - 1);
+		}
+	}
+
+	window.recalculate_size();
+
+	retval_ = window.show(true);
+
+	if(retval_ == tbutton::OK) {
+		const unsigned res = list->get_selected_row();
+
+		::set_language(languages[res]);
+		preferences::set_language(languages[res].localename);
+	}
+}
+
+
+} // namespace gui2

src/gui/dialogs/language_selection.hpp

@@ -0,0 +1,43 @@
+/* $Id$ */
+/*
+   copyright (c) 2008 by mark de wever <koraq@xs4all.nl>
+   part of the battle for wesnoth project http://www.wesnoth.org/
+
+   this program is free software; you can redistribute it and/or modify
+   it under the terms of the gnu general public license version 2
+   or at your option any later version.
+   this program is distributed in the hope that it will be useful,
+   but without any warranty.
+
+   see the copying file for more details.
+*/
+
+#ifndef __GUI_DIALOGS_LANGUAGE_SELECTION_HPP_INCLUDED__
+#define __GUI_DIALOGS_LANGUAGE_SELECTION_HPP_INCLUDED__
+
+#include <string>
+
+class CVideo;
+
+namespace gui2 {
+
+class tlanguage_selection
+{
+public:
+	tlanguage_selection() : 
+		retval_(0)
+	{}
+
+	void show(CVideo& video);
+
+	int get_retval() const { return retval_; }
+
+private:
+	int retval_;
+
+};
+
+} // namespace gui2
+
+#endif
+

src/gui/widgets/settings.cpp

@@ -81,6 +81,7 @@ namespace {
 static void fill_window_types() 
 {
 	window_type_list[ADDON_CONNECT] = "addon_connect";
+	window_type_list[LANGUAGE_SELECTION] = "language_selection";
 }
 
 const std::string& get_id(const twindow_type window_type)
@@ -186,6 +187,7 @@ const std::string& tgui_definition::read(const config& cfg)
  * @start_table = window_definition
  *     addon_connect                 The dialog to connect to the addon server
  *                                   and maintain locally installed addons.
+ *     language_selection            The dialog to select the primairy language.  
  * @end_table
  *
  */

src/gui/widgets/settings.hpp

@@ -31,6 +31,7 @@ namespace gui2 {
 
 enum twindow_type {
 	ADDON_CONNECT,           //<! The addon connection dialog.
+	LANGUAGE_SELECTION,      //<! The language selection dialog.
 
 	DUMMY                    //<! Dummy always the last one.
 };