From d87b9f934993d643b193880603523dead2a63547 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Sun, 8 Jun 2014 14:15:18 +0800
Subject: [PATCH] Usermode/libaxwin4 - Fix bad message ID for resize, bad
 return in window create

---
 Usermode/Libraries/libaxwin4.so_src/ipc_acessipcpipe.cpp | 7 +++++--
 Usermode/Libraries/libaxwin4.so_src/window_drawing.cpp   | 8 +++++---
 Usermode/Libraries/libaxwin4.so_src/wm.cpp               | 8 ++++++--
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/Usermode/Libraries/libaxwin4.so_src/ipc_acessipcpipe.cpp b/Usermode/Libraries/libaxwin4.so_src/ipc_acessipcpipe.cpp
index 2f879ff4..09cebcae 100644
--- a/Usermode/Libraries/libaxwin4.so_src/ipc_acessipcpipe.cpp
+++ b/Usermode/Libraries/libaxwin4.so_src/ipc_acessipcpipe.cpp
@@ -43,8 +43,11 @@ void CIPCChannel_AcessIPCPipe::Send(CSerialiser& message)
 	if(serialised.size() > 0x1000 ) {
 		throw ::std::length_error("CIPCChannel_AcessIPCPipe::Send");
 	}
-	_SysDebug("Send %i bytes", serialised.size());
-	_SysWrite(m_fd, serialised.data(), serialised.size());
+	_SysDebug("CIPCChannel_AcessIPCPipe::Send(%i bytes)", serialised.size());
+	size_t rv = _SysWrite(m_fd, serialised.data(), serialised.size());
+	if( rv != serialised.size() ) {
+		throw ::std::system_error(errno, ::std::system_category());
+	}
 }
 
 
diff --git a/Usermode/Libraries/libaxwin4.so_src/window_drawing.cpp b/Usermode/Libraries/libaxwin4.so_src/window_drawing.cpp
index df320ef7..6f2f898b 100644
--- a/Usermode/Libraries/libaxwin4.so_src/window_drawing.cpp
+++ b/Usermode/Libraries/libaxwin4.so_src/window_drawing.cpp
@@ -8,6 +8,7 @@
 #include <axwin4/axwin.h>
 #include "include/common.hpp"
 #include <ipc_proto.hpp>
+#include <algorithm>	// min
 
 namespace AxWin {
 
@@ -17,7 +18,8 @@ extern "C" void AxWin4_DrawBitmap(tAxWin4_Window *Window, int X, int Y, unsigned
 	if( W > 128 )
 	{
 		const uint32_t*	data32 = static_cast<uint32_t*>(Data);
-		for( unsigned int row = 0; row < H; row ++ )
+		const unsigned int rows_per_message = 2048 / W;
+		for( unsigned int row = 0; row < H; row += rows_per_message )
 		{
 			CSerialiser	message;
 			message.WriteU8(IPCMSG_PUSHDATA);
@@ -25,10 +27,10 @@ extern "C" void AxWin4_DrawBitmap(tAxWin4_Window *Window, int X, int Y, unsigned
 			message.WriteU16(X);
 			message.WriteU16(Y+row);
 			message.WriteU16(W);
-			message.WriteU16(1);
+			message.WriteU16( ::std::min(rows_per_message,H-row) );
 			message.WriteBuffer(W*4, data32);
 			::AxWin::SendMessage(message);
-			data32 += W;
+			data32 += W*rows_per_message;
 		}
 	}
 	else
diff --git a/Usermode/Libraries/libaxwin4.so_src/wm.cpp b/Usermode/Libraries/libaxwin4.so_src/wm.cpp
index 50712d48..2144eb74 100644
--- a/Usermode/Libraries/libaxwin4.so_src/wm.cpp
+++ b/Usermode/Libraries/libaxwin4.so_src/wm.cpp
@@ -14,13 +14,17 @@ namespace AxWin {
 extern "C" tAxWin4_Window *AxWin4_CreateWindow(const char *Name)
 {
 	// Allocate a window ID
+	
 	// Create window structure locally
+	tAxWin4_Window *ret = new tAxWin4_Window();
+	ret->m_id = 0;
 	// Request creation of window
 	CSerialiser	message;
 	message.WriteU8(IPCMSG_CREATEWIN);
-	message.WriteU16(0);
+	message.WriteU16(ret->m_id);
 	message.WriteString(Name);
 	::AxWin::SendMessage(message);
+	return ret;
 }
 
 extern "C" void AxWin4_ShowWindow(tAxWin4_Window *Window)
@@ -48,7 +52,7 @@ extern "C" void AxWin4_ResizeWindow(tAxWin4_Window *Window, unsigned int W, unsi
 	CSerialiser	message;
 	message.WriteU8(IPCMSG_SETWINATTR);
 	message.WriteU16(Window->m_id);
-	message.WriteU16(IPC_WINATTR_POSITION);
+	message.WriteU16(IPC_WINATTR_DIMENSIONS);
 	message.WriteU16(W);
 	message.WriteU16(H);
 	::AxWin::SendMessage(message);
-- 
2.20.1