From 0d2d350e8eb6f57be31f926897e39c6483eeee75 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 19 Feb 2012 20:10:11 +0300
Subject: Add option to grab/ungrab input to game window.

---
 src/client.cpp           | 8 ++++++++
 src/client.h             | 2 ++
 src/gui/setup_visual.cpp | 4 ++++
 3 files changed, 14 insertions(+)

diff --git a/src/client.cpp b/src/client.cpp
index e6aeb22e2..949dbacd2 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -562,6 +562,8 @@ void Client::gameInit()
         }
     }
 
+    applyGrabMode();
+
     // Initialize for drawing
     mainGraphics->_beginDraw();
 
@@ -2429,3 +2431,9 @@ void Client::resizeVideo(int width, int height, bool always)
         config.setValue("screenheight", height);
     }
 }
+
+void Client::applyGrabMode()
+{
+    SDL_WM_GrabInput(config.getBoolValue("grabinput")
+        ? SDL_GRAB_ON : SDL_GRAB_OFF);
+}
diff --git a/src/client.h b/src/client.h
index 6c93adbdf..ba6fde480 100644
--- a/src/client.h
+++ b/src/client.h
@@ -273,6 +273,8 @@ public:
 
     static bool isTmw();
 
+    static void applyGrabMode();
+
     void optionChanged(const std::string &name);
 
     void action(const gcn::ActionEvent &event);
diff --git a/src/gui/setup_visual.cpp b/src/gui/setup_visual.cpp
index 6df2dbf82..22894e267 100644
--- a/src/gui/setup_visual.cpp
+++ b/src/gui/setup_visual.cpp
@@ -55,10 +55,14 @@ Setup_Visual::Setup_Visual()
     new SetupItemCheckBox(_("Show pickup notifications as particle effects"),
         "", "showpickupparticle", this, "showpickupparticleEvent");
 
+    new SetupItemCheckBox(_("Grab mouse and keyboard input"),
+        "", "grabinput", this, "grabinputEvent");
+
     setDimension(gcn::Rectangle(0, 0, 550, 350));
 }
 
 void Setup_Visual::apply()
 {
     SetupTabScroll::apply();
+    Client::applyGrabMode();
 }
-- 
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