Change exit keybinding and fix bug in allow_close[]

Author: v-rob

README.md

@@ -57,7 +57,7 @@ Some can be changed in the key config dialog in the settings tab.
 | T                             | Chat                                                           |
 | /                             | Command                                                        |
 | Esc                           | Pause menu/abort/exit (pauses only singleplayer game)          |
-| Ctrl + Esc                    | Exit directly to main menu from anywhere, bypassing pause menu |
+| Shift + Esc                   | Exit directly to main menu from anywhere, bypassing pause menu |
 | +                             | Increase view range                                            |
 | -                             | Decrease view range                                            |
 | K                             | Enable/disable fly mode (needs fly privilege)                  |

src/client/inputhandler.cpp

@@ -151,7 +151,7 @@ bool MyEventReceiver::OnEvent(const SEvent &event)
 			fullscreen_is_down = event.KeyInput.PressedDown;
 			return true;
 		} else if (keyCode == EscapeKey &&
-				event.KeyInput.PressedDown && event.KeyInput.Control) {
+				event.KeyInput.PressedDown && event.KeyInput.Shift) {
 			g_gamecallback->disconnect();
 			return true;
 		}

src/gui/guiFormSpecMenu.h

@@ -206,7 +206,10 @@ class GUIFormSpecMenu : public GUIModalMenu
 
 	void defaultAllowClose(bool value)
 	{
+		// Also set m_allowclose here in order to have the correct value if
+		// escape is pressed before regenerateGui() is called.
 		m_default_allowclose = value;
+		m_allowclose = value;
 	}
 
 	void setDebugView(bool value)