From d0b39ebade7736d47e6b2450bf68b088c0da8e57 Mon Sep 17 00:00:00 2001
From: David Capello <david@igarastudio.com>
Date: Tue, 12 Jan 2021 21:39:12 -0300
Subject: [PATCH] Redraw window immediately on "live resizing"

---
 laf                     |  2 +-
 src/app/console.cpp     |  6 ++++--
 src/app/modules/gui.cpp | 17 ++++++++++++++++-
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/laf b/laf
index 6ace65197..39ff91256 160000
--- a/laf
+++ b/laf
@@ -1 +1 @@
-Subproject commit 6ace65197891e0e0c79e0e96d7b39daacc56e364
+Subproject commit 39ff91256cc64808bcf735c6d755a1746f841b3a
diff --git a/src/app/console.cpp b/src/app/console.cpp
index 59fcb4c5a..b2fcf85b6 100644
--- a/src/app/console.cpp
+++ b/src/app/console.cpp
@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2020  Igara Studio S.A.
+// Copyright (C) 2018-2021  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -177,7 +177,9 @@ void Console::printf(const char* format, ...)
 // static
 void Console::showException(const std::exception& e)
 {
-  ui::assert_ui_thread();
+  // TODO called from Session::deleteBackup() which is run in background thread
+  //ui::assert_ui_thread();
+
   if (!ui::is_ui_thread()) {
     LOG(ERROR, "A problem has occurred.\n\nDetails:\n%s\n", e.what());
     return;
diff --git a/src/app/modules/gui.cpp b/src/app/modules/gui.cpp
index f3441912a..8934679f3 100644
--- a/src/app/modules/gui.cpp
+++ b/src/app/modules/gui.cpp
@@ -1,5 +1,5 @@
 // Aseprite
-// Copyright (C) 2018-2020  Igara Studio S.A.
+// Copyright (C) 2018-2021  Igara Studio S.A.
 // Copyright (C) 2001-2018  David Capello
 //
 // This program is distributed under the terms of
@@ -203,6 +203,21 @@ int init_module_gui()
   if (maximized)
     main_display->maximize();
 
+  // Handle live resize too redraw the entire manager, dispatch the UI
+  // messages, and flip the display.
+  main_display->handleResize =
+    [](os::Display* display) {
+      manager->invalidate();
+
+      Message* msg = new Message(kResizeDisplayMessage);
+      msg->setRecipient(manager);
+      msg->setPropagateToChildren(true);
+      manager->enqueueMessage(msg);
+
+      manager->dispatchMessages();
+      manager->flipDisplay();
+    };
+
   // Set graphics options for next time
   save_gui_config();