From 15acee29f19c845dc534d2c8af48a449ea1cd380 Mon Sep 17 00:00:00 2001
From: lubomyr
Date: Mon, 30 Jan 2017 22:35:40 +0200
Subject: ANDROIDSDL: implemented checkbox for change mouse mode in Options
 menu

---
 backends/platform/androidsdl/androidsdl-sdl.cpp | 33 +++++++++++++++++++++++++
 backends/platform/androidsdl/androidsdl-sdl.h   |  4 +++
 2 files changed, 37 insertions(+)

(limited to 'backends/platform')

diff --git a/backends/platform/androidsdl/androidsdl-sdl.cpp b/backends/platform/androidsdl/androidsdl-sdl.cpp
index d04512475a..ab0c0524f1 100644
--- a/backends/platform/androidsdl/androidsdl-sdl.cpp
+++ b/backends/platform/androidsdl/androidsdl-sdl.cpp
@@ -27,6 +27,7 @@
 #include "backends/platform/androidsdl/androidsdl-sdl.h"
 #include "backends/events/androidsdl/androidsdl-events.h"
 #include "backends/graphics/androidsdl/androidsdl-graphics.h"
+#include <SDL_android.h>
 
 void OSystem_ANDROIDSDL::initBackend() {
 	// Create the backend custom managers
@@ -42,7 +43,39 @@ void OSystem_ANDROIDSDL::initBackend() {
 
 	if (!ConfMan.hasKey("gfx_mode"))
 		ConfMan.set("gfx_mode", "2x");
+	
+	if (!ConfMan.hasKey("touchpad_mouse_mode")) {
+		const bool enable = (SDL_ANDROID_GetMouseEmulationMode() == 0) ? false : true;
+		ConfMan.setBool("touchpad_mouse_mode", enable);
+	} else {
+		touchpadMode(ConfMan.getBool("touchpad_mouse_mode"));
+	}
 
 	// Call parent implementation of this method
 	OSystem_POSIX::initBackend();
 }
+
+void OSystem_ANDROIDSDL::touchpadMode(bool enable) {
+		if (enable)
+			switchToRelativeMouseMode();
+		else
+			switchToDirectMouseMode();
+}
+
+void OSystem_ANDROIDSDL::switchToDirectMouseMode() {
+	SDL_ANDROID_SetMouseEmulationMode(0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
+}
+
+void OSystem_ANDROIDSDL::switchToRelativeMouseMode() {
+	SDL_ANDROID_SetMouseEmulationMode(1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
+}
+
+void OSystem_ANDROIDSDL::setFeatureState(Feature f, bool enable) {
+	switch (f) {
+			case kFeatureTouchpadMode:
+			touchpadMode(enable);
+			break;
+	}
+	
+	OSystem_POSIX::setFeatureState(f, enable);
+}
diff --git a/backends/platform/androidsdl/androidsdl-sdl.h b/backends/platform/androidsdl/androidsdl-sdl.h
index 6ebe5022eb..72d2a50093 100644
--- a/backends/platform/androidsdl/androidsdl-sdl.h
+++ b/backends/platform/androidsdl/androidsdl-sdl.h
@@ -28,6 +28,10 @@
 class OSystem_ANDROIDSDL : public OSystem_POSIX {
 public:
 	virtual void initBackend();
+	virtual void setFeatureState(Feature f, bool enable);
+	void touchpadMode(bool enable);
+	void switchToDirectMouseMode();
+	void switchToRelativeMouseMode();
 
 #ifdef ENABLE_KEYMAPPER
 	// FIXME: This just calls parent methods, is it needed?
-- 
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