From 707d8da799b39a0fd38660b7c5c1639fd001585f Mon Sep 17 00:00:00 2001
From: and3md <and3md@gmail.com>
Date: Sun, 21 May 2017 11:18:12 +0200
Subject: [PATCH 1/2] SDL app use update() after events, fix always redraw when
 mouse move, related to #347

---
 src/dlangui/platforms/sdl/sdlapp.d | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/dlangui/platforms/sdl/sdlapp.d b/src/dlangui/platforms/sdl/sdlapp.d
index d0e7c40b..b07e93e9 100644
--- a/src/dlangui/platforms/sdl/sdlapp.d
+++ b/src/dlangui/platforms/sdl/sdlapp.d
@@ -722,7 +722,7 @@ class SDLWindow : Window {
             bool res = dispatchMouseEvent(event);
             if (res) {
                 debug(mouse) Log.d("Calling update() after mouse event");
-                invalidate();
+                update();
             }
         }
     }
@@ -951,7 +951,7 @@ class SDLWindow : Window {
         bool res = dispatchKeyEvent(new KeyEvent(KeyAction.Text, 0, flags, ds));
         if (res) {
             debug(DebugSDL) Log.d("Calling update() after text event");
-            invalidate();
+            update();
         }
         return res;
     }
@@ -1026,7 +1026,7 @@ class SDLWindow : Window {
 //            }
         if (res) {
             debug(DebugSDL) Log.d("Calling update() after key event");
-            invalidate();
+            update();
         }
         return res;
     }

From 65845759a2d290a5be51916d93a76c612f09497a Mon Sep 17 00:00:00 2001
From: and3md <and3md@gmail.com>
Date: Sun, 21 May 2017 11:25:27 +0200
Subject: [PATCH 2/2] SwitchButton set _needDraw to false after draw, fix
 always redraw after events, related to #347

---
 src/dlangui/widgets/controls.d | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/dlangui/widgets/controls.d b/src/dlangui/widgets/controls.d
index f408a961..cd015f3a 100644
--- a/src/dlangui/widgets/controls.d
+++ b/src/dlangui/widgets/controls.d
@@ -211,6 +211,7 @@ class SwitchButton : Widget {
             uint st = state;
             img.drawTo(buf, rc, st);
         }
+        _needDraw = false;
     }
 }