From 07cd393f7ec4f8edb0ad064bfc18ace84204e17e Mon Sep 17 00:00:00 2001
From: michi_cc <michi_cc@openttd.org>
Date: Mon, 5 Aug 2013 20:37:02 +0000
Subject: [PATCH] (svn r25678) -Codechange: Notify the video driver when an
 edit box lost (global) focus so it can abort any current input composition.

---
 src/console_gui.cpp        |  6 ++++++
 src/osk_gui.cpp            |  2 ++
 src/video/video_driver.hpp |  5 +++++
 src/window.cpp             | 17 ++++++++++++++++-
 src/window_gui.h           |  5 +----
 5 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/src/console_gui.cpp b/src/console_gui.cpp
index dc9a0cb795..ce23952d24 100644
--- a/src/console_gui.cpp
+++ b/src/console_gui.cpp
@@ -21,6 +21,7 @@
 #include "settings_type.h"
 #include "console_func.h"
 #include "rev.h"
+#include "video/video_driver.hpp"
 
 #include "widgets/console_widget.h"
 
@@ -311,6 +312,11 @@ struct IConsoleWindow : Window
 	{
 		this->Scroll(-wheel);
 	}
+
+	virtual void OnFocusLost()
+	{
+		_video_driver->EditBoxLostFocus();
+	}
 };
 
 int IConsoleWindow::scroll = 0;
diff --git a/src/osk_gui.cpp b/src/osk_gui.cpp
index 5dafdef118..2516c4dbf6 100644
--- a/src/osk_gui.cpp
+++ b/src/osk_gui.cpp
@@ -16,6 +16,7 @@
 #include "window_func.h"
 #include "gfx_func.h"
 #include "querystring_gui.h"
+#include "video/video_driver.hpp"
 
 #include "widgets/osk_widget.h"
 
@@ -205,6 +206,7 @@ struct OskWindow : public Window {
 
 	virtual void OnFocusLost()
 	{
+		_video_driver->EditBoxLostFocus();
 		delete this;
 	}
 };
diff --git a/src/video/video_driver.hpp b/src/video/video_driver.hpp
index 306fe28039..d8249b1f77 100644
--- a/src/video/video_driver.hpp
+++ b/src/video/video_driver.hpp
@@ -73,6 +73,11 @@ public:
 	{
 		return true;
 	}
+
+	/**
+	 * An edit box lost the input focus. Abort character compositing if necessary.
+	 */
+	virtual void EditBoxLostFocus() {}
 };
 
 /** Base of the factory for the video drivers. */
diff --git a/src/window.cpp b/src/window.cpp
index 93a84812cb..1ef8afa441 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -35,6 +35,7 @@
 #include "statusbar_gui.h"
 #include "error.h"
 #include "game/game.hpp"
+#include "video/video_driver.hpp"
 
 /** Values for _settings_client.gui.auto_scrolling */
 enum ViewportAutoscrolling {
@@ -366,6 +367,8 @@ bool EditBoxInGlobalFocus()
 void Window::UnfocusFocusedWidget()
 {
 	if (this->nested_focus != NULL) {
+		if (this->nested_focus->type == WWT_EDITBOX) _video_driver->EditBoxLostFocus();
+
 		/* Repaint the widget that lost focus. A focused edit box may else leave the caret on the screen. */
 		this->nested_focus->SetDirty(this);
 		this->nested_focus = NULL;
@@ -388,11 +391,20 @@ bool Window::SetFocusedWidget(int widget_index)
 
 		/* Repaint the widget that lost focus. A focused edit box may else leave the caret on the screen. */
 		this->nested_focus->SetDirty(this);
+		if (this->nested_focus->type == WWT_EDITBOX) _video_driver->EditBoxLostFocus();
 	}
 	this->nested_focus = this->GetWidget<NWidgetCore>(widget_index);
 	return true;
 }
 
+/**
+ * Called when window looses focus
+ */
+void Window::OnFocusLost()
+{
+	if (this->nested_focus != NULL && this->nested_focus->type == WWT_EDITBOX) _video_driver->EditBoxLostFocus();
+}
+
 /**
  * Sets the enabled/disabled status of a list of widgets.
  * By default, widgets are enabled.
@@ -953,7 +965,10 @@ Window::~Window()
 	if (_last_scroll_window == this) _last_scroll_window = NULL;
 
 	/* Make sure we don't try to access this window as the focused window when it doesn't exist anymore. */
-	if (_focused_window == this) _focused_window = NULL;
+	if (_focused_window == this) {
+		this->OnFocusLost();
+		_focused_window = NULL;
+	}
 
 	this->DeleteChildWindows();
 
diff --git a/src/window_gui.h b/src/window_gui.h
index ce9c062c69..ade8a3f1d3 100644
--- a/src/window_gui.h
+++ b/src/window_gui.h
@@ -582,10 +582,7 @@ public:
 	 */
 	virtual void OnFocus() {}
 
-	/**
-	 * Called when window looses focus
-	 */
-	virtual void OnFocusLost() {}
+	virtual void OnFocusLost();
 
 	/**
 	 * A key has been pressed.