Added 'delete player' functionality.

data/gui/user_screen.stkgui

@@ -52,6 +52,10 @@
                          I18N="Login dialog" text="OK" label_location="bottom"/>
             <icon-button id="new_user" width="64" height="64" icon="gui/main_help.png"
                           I18N="Login dialog" text="Create new user" label_location="bottom"/>
+            <icon-button id="rename" width="64" height="64" icon="gui/main_help.png"
+                          I18N="Login dialog" text="Rename" label_location="bottom"/>
+            <icon-button id="delete" width="64" height="64" icon="gui/main_help.png"
+                          I18N="Login dialog" text="Delete" label_location="bottom"/>
             <icon-button id="cancel" width="64" height="64" icon="gui/main_help.png"
                          I18N="Login dialog" text="Cancel" label_location="bottom"/>
         </buttonbar>

src/states_screens/user_screen.cpp

@@ -27,6 +27,7 @@
 #include "guiengine/widgets/list_widget.hpp"
 #include "online/messages.hpp"
 #include "states_screens/dialogs/enter_player_name_dialog.hpp"
+#include "states_screens/dialogs/message_dialog.hpp"
 #include "states_screens/main_menu_screen.hpp"
 #include "states_screens/register_screen.hpp"
 #include "states_screens/state_manager.hpp"
@@ -116,6 +117,16 @@ void UserScreen::init()
 
 }   // init
 
+// ----------------------------------------------------------------------------
+PlayerProfile* UserScreen::getSelectedPlayer()
+{
+    const std::string &s_id = m_players
+                            ->getSelectionIDString(PLAYER_ID_GAME_MASTER);
+    unsigned int n_id;
+    StringUtils::fromString(s_id, n_id);
+    return PlayerManager::get()->getPlayer(n_id);
+}   // getSelectedPlayer
+
 // ----------------------------------------------------------------------------
 
 void UserScreen::tearDown()
@@ -241,6 +252,13 @@ void UserScreen::eventCallback(Widget* widget,
                 cp->requestSignOut();
             StateManager::get()->popMenu();
         }
+        else if (button == "rename")
+        {
+        }
+        else if (button == "delete")
+        {
+            deletePlayer();
+        }
     }   // options
 
     return;
@@ -268,10 +286,7 @@ void UserScreen::login(bool remember_me)
     // problem will activate the widget again.
     m_options_widget->setDeactivated();
 
-    const std::string &s_id = m_players->getSelectionIDString(0);
-    unsigned int n_id;
-    StringUtils::fromString(s_id, n_id);
-    PlayerProfile *profile = PlayerManager::get()->getPlayer(n_id);
+    PlayerProfile *profile = getSelectedPlayer();
     PlayerManager::get()->setCurrentPlayer(profile, remember_me);
     assert(profile);
 
@@ -358,11 +373,49 @@ void UserScreen::loginError(const irr::core::stringw & error_message)
     m_options_widget->setActivated();
 }   // loginError
 
+// ----------------------------------------------------------------------------
+/** Called when a player will be deleted.
+ */
+void UserScreen::deletePlayer()
+{
+    PlayerProfile *player = getSelectedPlayer();
+    irr::core::stringw message =
+        //I18N: In the player info dialog (when deleting)
+        _("Do you really want to delete player '%s' ?", player->getName());
+
+    class ConfirmServer : public MessageDialog::IConfirmDialogListener
+    {
+    public:
+        virtual void onConfirm()
+        {
+            UserScreen::getInstance()->doDeletePlayer();
+        }   // onConfirm
+    };   // ConfirmServer
+
+
+    new MessageDialog(message, MessageDialog::MESSAGE_DIALOG_CONFIRM,
+                      new ConfirmServer(), true);
+}   // deletePlayer
+
+// ----------------------------------------------------------------------------
+/** Callback when the user confirms to delete a player. This function actually
+ *  deletes the player, discards the dialog, and re-initialised the UserScreen
+ *  to display only the available players.
+ */
+void UserScreen::doDeletePlayer()
+{
+    PlayerProfile *player = getSelectedPlayer();
+    PlayerManager::get()->deletePlayer(player);
+    GUIEngine::ModalDialog::dismiss();
+    init();
+}   // doDeletePlayer
+
 // ----------------------------------------------------------------------------
 void UserScreen::unloaded()
 {
 }   // unloaded
 
+
 // ----------------------------------------------------------------------------
 /** Gets called when a dialog closes. At a first time start of STK the
  *  internet dialog is shown first. Only when this dialog closes is it possible

src/states_screens/user_screen.hpp

@@ -32,6 +32,8 @@ namespace GUIEngine
     class Widget; 
 }
 
+class PlayerProfile;
+
 
 /**
   * \brief Audio options screen
@@ -71,6 +73,9 @@ private:
     void makeEntryFieldsVisible(bool online);
     void login(bool remember_me);
     void closeScreen();
+    void deletePlayer();
+    void doDeletePlayer();
+    PlayerProfile* getSelectedPlayer();
     virtual void onDialogClose();
     virtual void onUpdate(float dt) OVERRIDE;