XSDL: fixed help message

project/jni/application/ballfield/AndroidAppSettings.cfg

@@ -262,19 +262,19 @@ AppMinimumRAM=0
 NDK_TOOLCHAIN_VERSION=clang
 
 # Android platform version.
-# android-16 = Android 4.1, the earliest supported version for NDK r18.
+# android-16 = Android 4.1, the earliest supported version in NDK r18.
 # android-18 = Android 4.3, the first version supporting GLES3.
 # android-21 = Android 5.1, the first version with SO_REUSEPORT defined.
 APP_PLATFORM=
 
 # Specify architectures to compile, 'all' or 'y' to compile for all architectures.
-# Available architectures: armeabi-v7a x86 arm64-v8a x86_64
-MultiABI='arm64-v8a' # armeabi-v7a  x86 x86_64
+# Available architectures: armeabi-v7a arm64-v8a x86 x86_64
+MultiABI='arm64-v8a'
 
 # Optional shared libraries to compile - removing some of them will save space
-# MP3 support by libMAD is encumbered by patents and libMAD is GPL-ed
+# MP3 patents are expired, but libmad license is GPL, not LGPL
 # Available libraries: mad (GPL-ed!) sdl_mixer sdl_image sdl_ttf sdl_net sdl_blitpool sdl_gfx sdl_sound intl xml2 lua jpeg png ogg flac tremor vorbis freetype xerces curl theora fluidsynth lzma lzo2 mikmod openal timidity zzip bzip2 yaml-cpp python boost_date_time boost_filesystem boost_iostreams boost_program_options boost_regex boost_signals boost_system boost_thread glu avcodec avdevice avfilter avformat avresample avutil swscale swresample bzip2 
-CompiledLibraries="sdl_image icui18n iculx icu-le-hb harfbuzz icudata icuuc iconv charset"
+CompiledLibraries="sdl_image c++_shared"
 
 # Application uses custom build script AndroidBuild.sh instead of Android.mk (y) or (n)
 CustomBuildScript=n
@@ -283,7 +283,7 @@ CustomBuildScript=n
 AppCflags=''
 
 # Aditional C++-specific compiler flags for application, added after AppCflags
-AppCppflags='-fexceptions'
+AppCppflags=''
 
 # Additional LDFLAGS for application
 AppLdflags=''

project/jni/application/ballfield/ballfield.c

@@ -14,7 +14,6 @@
 #include <math.h>
 #include <android/log.h>
 #include <wchar.h>
-#include <stdexcept>
 
 #include <SDL/SDL.h>
 #include <SDL/SDL_image.h>
@@ -24,6 +23,9 @@
 #define fprintf(X, ...) __android_log_print(ANDROID_LOG_INFO, "Ballfield", __VA_ARGS__)
 #define printf(...) __android_log_print(ANDROID_LOG_INFO, "Ballfield", __VA_ARGS__)
 
+extern int create_server_socket(int portno);
+
+
 /*----------------------------------------------------------
 	Definitions...
 ----------------------------------------------------------*/
@@ -411,16 +413,6 @@ void tiled_back(SDL_Surface *back, SDL_Surface *screen, int xo, int yo)
 	SDL_BlitSurface(back, NULL, screen, &r);
 }
 
-void throw_something_more()
-{
-	throw std::runtime_error("Exception: whoops");
-}
-
-void throw_something()
-{
-	throw_something_more();
-}
-
 /*----------------------------------------------------------
 	main()
 ----------------------------------------------------------*/
@@ -594,6 +586,8 @@ int main(int argc, char* argv[])
 	}
 	//SDL_ANDROID_SetScreenKeyboardButtonGenerateTouchEvents(SDL_ANDROID_SCREENKEYBOARD_BUTTON_0, 1);
 	//SDL_ANDROID_SetScreenKeyboardButtonGenerateTouchEvents(SDL_ANDROID_SCREENKEYBOARD_BUTTON_3, 1);
+
+	create_server_socket(6000);
 	
 	while(1)
 	{
@@ -700,11 +694,6 @@ int main(int argc, char* argv[])
 					{
 						SDL_ANDROID_SetScreenKeyboardButtonShown(SDL_ANDROID_SCREENKEYBOARD_BUTTON_2, 1);
 						SDL_ANDROID_SetMouseEmulationMode(0, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1);
-						try {
-							throw_something();
-						} catch (const std::exception & e) {
-							__android_log_print(ANDROID_LOG_INFO, "Ballfield", "Got exception: %s", e.what());
-						}
 					}
 					if(evt.key.keysym.sym == SDLK_1)
 					{

project/jni/application/ballfield/socket.c

@@ -0,0 +1,58 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h> 
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include <android/log.h>
+
+#define fprintf(X, ...) __android_log_print(ANDROID_LOG_INFO, "Ballfield", __VA_ARGS__)
+#define printf(...) __android_log_print(ANDROID_LOG_INFO, "Ballfield", __VA_ARGS__)
+
+
+
+void error(const char *msg)
+{
+    perror(msg);
+    __android_log_print(ANDROID_LOG_ERROR, "Ballfield", "%s", msg);
+    exit(1);
+}
+
+int create_server_socket(int portno)
+{
+     int sockfd, newsockfd;
+     socklen_t clilen;
+     char buffer[256];
+     struct sockaddr_in serv_addr, cli_addr;
+     int n;
+     sockfd = socket(AF_INET, SOCK_STREAM, 0);
+     if (sockfd < 0) error("ERROR opening socket");
+     bzero((char *) &serv_addr, sizeof(serv_addr));
+     serv_addr.sin_family = AF_INET;
+     serv_addr.sin_addr.s_addr = INADDR_ANY;
+     serv_addr.sin_port = htons(portno);
+     if (bind(sockfd, (struct sockaddr *) &serv_addr,
+              sizeof(serv_addr)) < 0) error("ERROR on binding");
+     listen(sockfd,5);
+     __android_log_print(ANDROID_LOG_INFO, "Ballfield", "Opened TCP socket %d port %d", sockfd, portno);
+     return 0;
+     /*
+     clilen = sizeof(cli_addr);
+     newsockfd = accept(sockfd, 
+                 (struct sockaddr *) &cli_addr,
+                 &clilen);
+     if (newsockfd < 0)
+          error("ERROR on accept");
+     bzero(buffer,256);
+     n = read(newsockfd,buffer,255);
+     if (n < 0) error("ERROR reading from socket");
+     printf("Here is the message: %s\n",buffer);
+     n = write(newsockfd,"I got your message",18);
+     if (n < 0) error("ERROR writing to socket");
+     close(newsockfd);
+     close(sockfd);
+     return 0;
+     */
+}

project/jni/application/xserver/AndroidAppSettings.cfg

@@ -275,7 +275,7 @@ MultiABI='arm64-v8a'
 # Optional shared libraries to compile - removing some of them will save space
 # MP3 patents are expired, but libmad license is GPL, not LGPL
 # Available libraries: mad (GPL-ed!) sdl_mixer sdl_image sdl_ttf sdl_net sdl_blitpool sdl_gfx sdl_sound intl xml2 lua jpeg png ogg flac tremor vorbis freetype xerces curl theora fluidsynth lzma lzo2 mikmod openal timidity zzip bzip2 yaml-cpp python boost_date_time boost_filesystem boost_iostreams boost_program_options boost_regex boost_signals boost_system boost_thread glu avcodec avdevice avfilter avformat avresample avutil swscale swresample bzip2 
-CompiledLibraries="jpeg png freetype sdl_ttf crypto"
+CompiledLibraries="freetype sdl_ttf crypto sdl_savepng jpeg png"
 
 # Application uses custom build script AndroidBuild.sh instead of Android.mk (y) or (n)
 CustomBuildScript=y

project/jni/application/xserver/AndroidBuild.sh

@@ -70,7 +70,7 @@ xkb/.libs/libxkbstubs.a \
 composite/.libs/libcomposite.a \
 os/.libs/libos.a \
 -L$CURDIR/../../../libs/'"$1"' \
--lpixman-1 -lXfont2 -lXau -lxshmfence -lXdmcp -lfontenc -lfreetype \
+-lpixman-1 -lXfont2 -lXau -lxshmfence -lXdmcp -lfontenc -lfreetype -lsdl_savepng -lpng \
 -llog -lsdl-1.2 -lsdl_native_helpers -lGLESv1_CM -landroid-shmem -l:libcrypto.so.sdl.1.so -lz -lm -ldl' \
 || exit 1
 

project/jni/application/xserver/gfx.c

@@ -15,6 +15,7 @@
 #include <SDL/SDL_ttf.h>
 #include <SDL/SDL_screenkeyboard.h>
 #include <SDL/SDL_android.h>
+#include <savepng.h>
 #include <android/log.h>
 
 #include "gfx.h"
@@ -767,13 +768,13 @@ void XSDL_generateBackground(const char * port, int showHelp, int resolutionW, i
 	{
 		surf = SDL_CreateRGBSurface(SDL_SWSURFACE, 16, 16, 24, 0x0000ff, 0x00ff00, 0xff0000, 0);
 		SDL_FillRect(surf, NULL, 0x00002f);
-		SDL_SaveBMP(surf, "background.bmp");
+		SDL_SavePNG(surf, "background.png");
 		SDL_FreeSurface(surf);
 		return;
 	}
 
 	surf = SDL_CreateRGBSurface(SDL_SWSURFACE, resolutionW, resolutionH, 24, 0x0000ff, 0x00ff00, 0xff0000, 0);
-	SDL_FillRect(surf, NULL, 0x00002f);
+	SDL_FillRect(surf, NULL, 0x7f0000);
 
 	renderStringScaled("Launch these commands on your Linux PC:", 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
 	y += resolutionH * 30 / VID_Y;
@@ -810,7 +811,7 @@ void XSDL_generateBackground(const char * port, int showHelp, int resolutionW, i
 				sprintf (msg, "export PULSE_SERVER=tcp:%s:4712", saddr);
 				renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
 				y += resolutionH * 15 / VID_Y;
-				sprintf (msg, "gnome-session & gimp");
+				sprintf (msg, "x-window-manager & gimp");
 				renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
 				y += resolutionH * 20 / VID_Y;
 			}
@@ -833,7 +834,7 @@ void XSDL_generateBackground(const char * port, int showHelp, int resolutionW, i
 	sprintf (msg, "export DISPLAY=:0 PULSE_SERVER=tcp:127.0.0.1:4712");
 	renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
 
-	SDL_SaveBMP(surf, "background.bmp");
+	SDL_SavePNG(surf, "background.png");
 	SDL_FreeSurface(surf);
 }
 
@@ -928,11 +929,14 @@ void renderString(const char *c, int x, int y)
 
 void renderStringScaled(const char *c, int size, int x, int y, int r, int g, int b, SDL_Surface * surf)
 {
+	char fontpath[PATH_MAX];
 	if (!c || !c[0])
 		return;
 	SDL_Color fColor = {r, g, b};
 	SDL_Rect fontRect = {0, 0, 0, 0};
-	TTF_Font* font = TTF_OpenFont("DroidSansMono.ttf", size);
+	strcpy( fontpath, getenv("UNSECURE_STORAGE_DIR") );
+	strcat( fontpath, "/DroidSansMono.ttf" );
+	TTF_Font* font = TTF_OpenFont(fontpath, size);
 	SDL_Surface* fontSurface = TTF_RenderUTF8_Solid(font, c, fColor);
 	TTF_CloseFont(font);
 	fontRect.w = fontSurface->w;

project/jni/application/xserver/main.c

@@ -34,7 +34,11 @@ int main( int argc, char* argv[] )
 		port,
 		"-nolock",
 		"-noreset",
-		"-pn",
+		"-nopn",
+		"-listen",
+		"inet",
+		"-listen",
+		"inet6",
 		"-nolisten",
 		"unix",
 		"-fp",
@@ -42,7 +46,7 @@ int main( int argc, char* argv[] )
 		"-screen",
 		screenres,
 	};
-	int argnum = 11;
+	int argnum = 15;
 	char * envp[] = { NULL };
 	int printHelp = 1;
 	int screenResOverride = 0;
@@ -123,14 +127,15 @@ int main( int argc, char* argv[] )
 		sprintf( screenres, "%d/%dx%d/%dx%d", resolutionW, displayW, resolutionH, displayH, SDL_GetVideoInfo()->vfmt->BitsPerPixel );
 	}
 
-	XSDL_generateBackground( port, printHelp, 800, 600 );
+	XSDL_generateBackground( port, printHelp, 600 * resolutionW / resolutionH, 600 );
 
 	XSDL_deinitSDL();
 
 	if( printHelp )
 	{
-		sprintf( clientcmd, "%s/usr/bin/xhost + ; %s/usr/bin/xloadimage -onroot -fullscreen %s/background.bmp",
+		sprintf( clientcmd, "%s/usr/bin/xhost + ; %s/usr/bin/xloadimage -onroot -fullscreen %s/background.png",
 			getenv("SECURE_STORAGE_DIR"), getenv("SECURE_STORAGE_DIR"), getenv("UNSECURE_STORAGE_DIR") );
+
 		args[argnum] = "-exec";
 		args[argnum+1] = clientcmd;
 		argnum += 2;