From d4cd6d6fc9236d0296cac813ee26bbe4bb540237 Mon Sep 17 00:00:00 2001
From: Benau <Benau@users.noreply.github.com>
Date: Sat, 6 Jun 2020 01:02:01 +0800
Subject: [PATCH] Add minimum window size

---
 lib/irrlicht/include/IrrlichtDevice.h          | 1 +
 lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp | 6 ++++++
 lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.h   | 2 ++
 src/main.cpp                                   | 5 ++++-
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/irrlicht/include/IrrlichtDevice.h b/lib/irrlicht/include/IrrlichtDevice.h
index 8082b5b08..70476d69c 100644
--- a/lib/irrlicht/include/IrrlichtDevice.h
+++ b/lib/irrlicht/include/IrrlichtDevice.h
@@ -318,6 +318,7 @@ namespace irr
 		virtual s32 getBottomPadding() { return 0; }
 		virtual s32 getLeftPadding() { return 0; }
 		virtual s32 getRightPadding() { return 0; }
+		virtual void setWindowMinimumSize(u32 width, u32 height) {}
 		//! Check if a driver type is supported by the engine.
 		/** Even if true is returned the driver may not be available
 		for a configuration requested when creating the device. */
diff --git a/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp b/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp
index 3b85abd3c..9e12337fa 100644
--- a/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp
+++ b/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp
@@ -726,6 +726,12 @@ bool CIrrDeviceSDL::getGammaRamp( f32 &red, f32 &green, f32 &blue, f32 &brightne
 	return false;
 }
 
+void CIrrDeviceSDL::setWindowMinimumSize(u32 width, u32 height)
+{
+	if (Window)
+		SDL_SetWindowMinimumSize(Window, width, height);
+}
+
 //! returns color format of the window.
 video::ECOLOR_FORMAT CIrrDeviceSDL::getColorFormat() const
 {
diff --git a/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.h b/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.h
index 2c1c5532a..b2cda8bc1 100644
--- a/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.h
+++ b/lib/irrlicht/source/Irrlicht/CIrrDeviceSDL.h
@@ -95,6 +95,8 @@ namespace irr
 		//! Get the current Gamma Value for the Display
 		virtual bool getGammaRamp( f32 &red, f32 &green, f32 &blue, f32 &brightness, f32 &contrast );
 
+		virtual void setWindowMinimumSize(u32 width, u32 height);
+
 		//! Get the device type
 		virtual E_DEVICE_TYPE getType() const
 		{
diff --git a/src/main.cpp b/src/main.cpp
index 9949f7d83..8b07de3cc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2168,7 +2168,10 @@ int main(int argc, char *argv[])
                 }
                 Log::warn("main", "Screen size is too small!");
             }
-            
+            else
+            {
+                irr_driver->getDevice()->setWindowMinimumSize(480, 480);
+            }
             #ifdef MOBILE_STK
             if (UserConfigParams::m_multitouch_controls == MULTITOUCH_CONTROLS_UNDEFINED)
             {