Add a completion icon to the campaign.

This proof of concept version shows whether or not the user finished a
campaign. The UI needs more polishing, using the soon-to-be-committed
stacked widet.

changelog

@@ -4,6 +4,8 @@ Version 1.7.1+svn:
     * New portrait for female Footpad.
  * Language and i18n:
    * Updated translations: Finnish, German, Lithuanian, Polish, Serbian
+ * User interface:
+   * Add an icon to show whether or not the user finished a campaign
  * Miscellaneous and bugfixes:
    * Fixed language switch not affecting unit descriptions (bug #13827)
    * Fixed teleporting to impassable terrain (bug #13795)

data/gui/default/window/campaign_dialog.cfg

@@ -95,6 +95,19 @@
 
 															[/column]
 
+															[column]
+																grow_factor = 1
+																horizontal_grow = "true"
+
+																[image]
+																	id = "victory"
+																	definition = "default"
+
+																	label = "misc/laurel.png"
+																[/image]
+
+															[/column]
+
 															[column]
 																grow_factor = 1
 																horizontal_grow = "true"

players_changelog

@@ -10,6 +10,8 @@ Version 1.7.1+svn:
   * Language and translations
     * Updated translations: Finnish, German, Lithuanian, Polish, Serbian.
 
+  * User interface
+    * Add an icon to show whether or not the user finished a campaign.
 
 Version 1.7.1:
   * Campaigns

src/gui/dialogs/campaign_selection.cpp

@@ -24,6 +24,7 @@
 #include "gui/widgets/scroll_label.hpp"
 #include "gui/widgets/settings.hpp"
 #include "gui/widgets/window.hpp"
+#include "serialization/string_utils.hpp"
 
 namespace gui2 {
 
@@ -87,6 +88,14 @@ void tcampaign_selection::pre_show(CVideo& /*video*/, twindow& window)
 
 		list->add_row(list_item_item);
 
+		tgrid* grid = list->get_row_grid(list->get_item_count() - 1);
+		assert(grid);
+
+		twidget* widget = grid->find_widget("victory", false);
+		if(widget && !utils::string_bool(c["completed"], false)) {
+			widget->set_visible(twidget::HIDDEN);
+		}
+
 		/*** Add detail item ***/
 		string_map detail_item;
 		std::map<std::string, string_map> detail_page;