Convert outro screen to GUI2

It's the screen that shows 'The End' at the end of an SP campaign.

data/gui/window/outro.cfg

@@ -0,0 +1,79 @@
+#textdomain wesnoth-lib
+
+[window_definition]
+	id = "outro"
+	description = "The window definition for the outro screen."
+
+	[resolution]
+
+		# NOTE: we don't specify borders like most definitions since we want
+		# widgets to fully reach the edge of the window.
+
+		[background]
+
+			[draw]
+
+				[rectangle]
+					x = 0
+					y = 0
+					w = "(width)"
+					h = "(height)"
+
+					fill_color = "0, 0, 0, 255"
+					immutable = true
+				[/rectangle]
+
+				[text]
+					x = {GUI__TEXT_HORIZONTALLY_CENTRED}
+					y = {GUI__TEXT_VERTICALLY_CENTRED}
+					w = "(width)"
+					h = "(text_height)"
+					maximum_width = "(width)"
+
+					font_size = {GUI_FONT_SIZE_HUGE}
+					color = "([215, 215, 215, min(fade_step * 5, 255)])"
+
+					text = "(outro_text)"
+					text_markup = true
+				[/text]
+
+			[/draw]
+
+		[/background]
+
+		[foreground]
+
+			[draw]
+
+			[/draw]
+
+		[/foreground]
+
+	[/resolution]
+
+[/window_definition]
+
+[window]
+	id = "outro"
+	description = "Outro text display"
+
+	[resolution]
+		definition = "outro"
+
+		{GUI_WINDOW_FULLSCREEN}
+
+		[tooltip]
+			id = "tooltip_large"
+		[/tooltip]
+
+		[helptip]
+			id = "tooltip_large"
+		[/helptip]
+
+		# No contents. The only text is drawn in the background by the canvas.
+		[grid]
+		[/grid]
+
+	[/resolution]
+
+[/window]

projectfiles/CodeBlocks/wesnoth.cbp

@@ -643,6 +643,8 @@
 		<Unit filename="../../src/gui/dialogs/multiplayer/synced_choice_wait.hpp" />
 		<Unit filename="../../src/gui/dialogs/network_transmission.cpp" />
 		<Unit filename="../../src/gui/dialogs/network_transmission.hpp" />
+		<Unit filename="../../src/gui/dialogs/outro.cpp" />
+		<Unit filename="../../src/gui/dialogs/outro.hpp" />
 		<Unit filename="../../src/gui/dialogs/preferences_dialog.cpp" />
 		<Unit filename="../../src/gui/dialogs/preferences_dialog.hpp" />
 		<Unit filename="../../src/gui/dialogs/screenshot_notification.cpp" />
@@ -817,8 +819,6 @@
 		<Unit filename="../../src/image.hpp" />
 		<Unit filename="../../src/image_modifications.cpp" />
 		<Unit filename="../../src/image_modifications.hpp" />
-		<Unit filename="../../src/intro.cpp" />
-		<Unit filename="../../src/intro.hpp" />
 		<Unit filename="../../src/joystick.cpp" />
 		<Unit filename="../../src/joystick.hpp" />
 		<Unit filename="../../src/key.cpp" />

source_lists/wesnoth

@@ -226,6 +226,7 @@ gui/dialogs/multiplayer/mp_options_helper.cpp
 gui/dialogs/multiplayer/mp_staging.cpp
 gui/dialogs/multiplayer/synced_choice_wait.cpp
 gui/dialogs/network_transmission.cpp
+gui/dialogs/outro.cpp
 gui/dialogs/preferences_dialog.cpp
 gui/dialogs/screenshot_notification.cpp
 gui/dialogs/select_orb_colors.cpp
@@ -301,7 +302,6 @@ help/help_topic_generators.cpp
 hotkey/hotkey_handler.cpp
 hotkey/hotkey_handler_mp.cpp
 hotkey/hotkey_handler_sp.cpp
-intro.cpp
 lobby_preferences.cpp
 menu_events.cpp
 mouse_events.cpp

src/game_launcher.cpp

@@ -34,12 +34,12 @@
 #include "gui/dialogs/message.hpp" //for show error message
 #include "gui/dialogs/multiplayer/mp_host_game_prompt.hpp" //for host game prompt
 #include "gui/dialogs/multiplayer/mp_method_selection.hpp"
+#include "gui/dialogs/outro.hpp"
 #include "gui/dialogs/preferences_dialog.hpp"
 #include "gui/dialogs/transient_message.hpp"  // for show_transient_message
 #include "gui/dialogs/title_screen.hpp"  // for show_debug_clock_button
 #include "gui/widgets/settings.hpp"     // for new_widgets
 #include "gui/widgets/window.hpp"       // for window, etc
-#include "intro.hpp"
 #include "language.hpp"                 // for language_def, etc
 #include "log.hpp"                      // for LOG_STREAM, logger, general, etc
 #include "map/exception.hpp"
@@ -951,7 +951,9 @@ void game_launcher::launch_game(RELOAD_GAME_DATA reload)
 		// change this if MP campaigns are implemented
 		if(result == LEVEL_RESULT::VICTORY && !state_.classification().is_normal_mp_game()) {
 			preferences::add_completed_campaign(state_.classification().campaign, state_.classification().difficulty);
-			the_end(video(), state_.classification().end_text, state_.classification().end_text_duration);
+
+			gui2::dialogs::outro::display(state_.classification().end_text, state_.classification().end_text_duration, video());
+
 			if(state_.classification().end_credits) {
 				gui2::dialogs::end_credits::display(video(), state_.classification().campaign);
 			}

src/gui/dialogs/outro.cpp

@@ -0,0 +1,100 @@
+/*
+   Copyright (C) 2017 by Charles Dang <exodia339@gmail.com>
+   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 as published by
+   the Free Software Foundation; either version 2 of the License, 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.
+*/
+
+#define GETTEXT_DOMAIN "wesnoth-lib"
+
+#include "gui/dialogs/outro.hpp"
+
+#include "formula/variant.hpp"
+#include "gettext.hpp"
+#include "gui/auxiliary/find_widget.hpp"
+#include "gui/core/timer.hpp"
+#include "gui/widgets/settings.hpp"
+#include "gui/widgets/window.hpp"
+
+namespace gui2
+{
+namespace dialogs
+{
+
+REGISTER_DIALOG(outro)
+
+outro::outro(const std::string& text, unsigned int duration)
+	: text_(text)
+	, duration_(duration)
+	, fade_step_(0)
+	, fading_in_(true)
+	, timer_id_(0)
+	, timer_id_secondary_(0)
+{
+	if(text_.empty()) {
+		text_ = _("The End");
+	}
+
+	if(!duration_) {
+		duration_ = 3500;
+	}
+}
+
+void outro::pre_show(window& window)
+{
+	window.set_enter_disabled(true);
+	window.get_canvas(0).set_variable("outro_text", wfl::variant(text_));
+
+	timer_id_ = add_timer(50, std::bind(&outro::timer_callback, this, std::ref(window)), true);
+}
+
+void outro::timer_callback(window& window)
+{
+	// If we've faded fully in...
+	if(fading_in_ && fade_step_ == 255) {
+		// Schedule the fadeout after the provided delay.
+		if(timer_id_secondary_ == 0) {
+			timer_id_secondary_ = add_timer(duration_, [this](size_t) { fading_in_ = false; });
+		}
+
+		return;
+	}
+
+	// If we've faded fully out...
+	if(!fading_in_ && fade_step_ < 0) {
+		window.close();
+		return;
+	}
+
+	canvas& window_canvas = window.get_canvas(0);
+
+	window_canvas.set_variable("fade_step", wfl::variant(fade_step_));
+	window_canvas.set_is_dirty(true);
+
+	window.set_is_dirty(true);
+
+	if(fading_in_) {
+		fade_step_ += 5;
+	} else {
+		fade_step_ -= 5;
+	}
+}
+
+void outro::post_show(window& /*window*/)
+{
+	remove_timer(timer_id_);
+	remove_timer(timer_id_secondary_);
+
+	timer_id_ = 0;
+	timer_id_secondary_ = 0;
+}
+
+} // namespace dialogs
+} // namespace gui2

src/gui/dialogs/outro.hpp

@@ -0,0 +1,73 @@
+/*
+   Copyright (C) 2017 by Charles Dang <exodia339@gmail.com>
+   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 as published by
+   the Free Software Foundation; either version 2 of the License, 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_OUTRO_HPP_INCLUDED
+#define GUI_DIALOGS_OUTRO_HPP_INCLUDED
+
+#include "gui/dialogs/modal_dialog.hpp"
+
+class CVideo;
+
+namespace gui2
+{
+namespace dialogs
+{
+
+/** Dialog to display 'The End' at the end of a campaign. */
+class outro : public modal_dialog
+{
+public:
+	outro(const std::string& text, unsigned int duration);
+
+	/**
+	 * Displays a simple fading screen with any user-provided text.
+	 * Used after the end of single-player campaigns.
+	 *
+	 * @param text     Text to display, centered on the screen.
+	 *
+	 * @param duration In milliseconds, for how much time the text will
+	 *                 be displayed on screen.
+	 */
+	static void display(const std::string& text, unsigned int duration, CVideo& video)
+	{
+		outro(text, duration).show(video);
+	}
+
+private:
+	/** Inherited from modal_dialog, implemented by REGISTER_DIALOG. */
+	virtual const std::string& window_id() const;
+
+	/** Inherited from modal_dialog. */
+	void pre_show(window& window);
+
+	/** Inherited from modal_dialog. */
+	void post_show(window& window);
+
+	void timer_callback(window& window);
+
+	std::string text_;
+
+	unsigned int duration_;
+	int fade_step_;
+
+	bool fading_in_;
+
+	size_t timer_id_;
+	size_t timer_id_secondary_;
+};
+
+} // namespace dialogs
+} // namespace gui2
+
+#endif