gui2/tgame_version: Add plain text report and a button to save it to clipboard

Most of it is not translatable. This is intentional as it is intended to
serve as a Technical Support/bug tracker post aid.

data/gui/default/window/game_version.cfg

@@ -551,6 +551,20 @@
 						[row]
 							grow_factor = 0
 
+							[column]
+								horizontal_alignment = left
+								border = "all"
+								border_size = 5
+
+								[button]
+									id = "copy_all"
+									definition = "action_copy"
+									label = _ "page^Copy"
+									tooltip = _ "Copy the full report to clipboard"
+								[/button]
+
+							[/column]
+
 							[column]
 								horizontal_alignment = right
 								border = "all"

src/gui/dialogs/game_version.cpp

@@ -90,6 +90,7 @@ tgame_version::tgame_version()
 	, deps_()
 	, opts_(game_config::optional_features_table())
 	, tabs_()
+	, report_()
 {
 	// NOTE: these path_map_ entries are referenced by the GUI2 WML
 	// definition of this dialog using preprocessor macros.
@@ -109,6 +110,8 @@ tgame_version::tgame_version()
 		e[2] = game_config::library_runtime_version(lib);
 		deps_.push_back(e);
 	}
+
+	generate_plain_text_report();
 }
 
 void tgame_version::pre_show(CVideo& /*video*/, twindow& window)
@@ -127,6 +130,11 @@ void tgame_version::pre_show(CVideo& /*video*/, twindow& window)
 	i18n_syms["os"] = desktop::os_version();
 	os_label.set_label(VGETTEXT("Running on $os", i18n_syms));
 
+	tbutton& copy_all = find_widget<tbutton>(&window, "copy_all", false);
+	connect_signal_mouse_left_click(
+			copy_all,
+			boost::bind(&tgame_version::report_copy_callback, this));
+
 	//
 	// Game paths tab.
 	//
@@ -273,4 +281,40 @@ void tgame_version::copy_to_clipboard_callback(const std::string& path)
 	desktop::clipboard::copy_to_clipboard(path, false);
 }
 
+void tgame_version::report_copy_callback()
+{
+	desktop::clipboard::copy_to_clipboard(report_, false);
+}
+
+void tgame_version::generate_plain_text_report()
+{
+	std::ostringstream o;
+
+	o << "The Battle for Wesnoth version " << game_config::revision << '\n'
+	  << "Running on " << desktop::os_version() << '\n'
+	  << '\n'
+	  << "Game paths\n"
+	  << "==========\n"
+	  << '\n'
+	  << "Data dir:        " << path_map_["datadir"] << '\n'
+	  << "User config dir: " << path_map_["config"] << '\n'
+	  << "User data dir:   " << path_map_["userdata"] << '\n'
+	  << "Saves dir:       " << path_map_["saves"] << '\n'
+	  << "Add-ons dir:     " << path_map_["addons"] << '\n'
+	  << "Cache dir:       " << path_map_["cache"] << '\n'
+	  << '\n'
+	  << "Libraries\n"
+	  << "=========\n"
+	  << '\n'
+	  << game_config::library_versions_report()
+	  << '\n'
+	  << "Features\n"
+	  << "========\n"
+	  << '\n'
+	  << game_config::optional_features_report();
+
+	report_ = o.str();
+}
+
+
 } // end namespace gui2

src/gui/dialogs/game_version.hpp

@@ -61,6 +61,10 @@ private:
 
 	std::vector<tselectable_*> tabs_;
 
+	std::string report_;
+
+	void generate_plain_text_report();
+
 	/** Inherited from tdialog, implemented by REGISTER_DIALOG. */
 	virtual const std::string& window_id() const;
 
@@ -82,6 +86,11 @@ private:
 	 */
 	void tab_switch_callback(tselectable_& me, tstacked_widget& tab_container);
 
+	/**
+	 * Callback function for the dialog-wide copy-to-clipboard button.
+	 */
+	void report_copy_callback();
+
 	/**
 	 * Callback function for copy-to-clipboard action buttons.
 	 *