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commandergenius/project/jni/application/xserver/gfx.c

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#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/sockios.h>
#include <netinet/in.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <pthread.h>
#include <SDL/SDL.h>
#include <SDL/SDL_ttf.h>
#include <SDL/SDL_screenkeyboard.h>
#include <SDL/SDL_android.h>
#include <android/log.h>
#include "gfx.h"
static TTF_Font* sFont;
static int unpackFinished = 0;
enum { UPGRADE_WARNING_NONE, UPGRADE_WARNING_ASK, UPGRADE_WARNING_PROCEED, UPGRADE_WARNING_CANCEL };
static int upgradeWarning = UPGRADE_WARNING_NONE;
static char unpackLog[4][256];
static void renderString(const char *c, int x, int y);
static void renderStringColor(const char *c, int x, int y, int r, int g, int b, SDL_Surface * surf);
static void renderStringScaled(const char *c, int size, int x, int y, int r, int g, int b, SDL_Surface * surf);
static void * unpackFilesThread(void * unused);
static void showErrorMessage(const char *msg);
static int unpackFiles(const char *archive, const char *script, const char *deleteOldDataMarkerFile)
{
int unpackProgressMb;
int unpackProgressMbTotal = 1;
char fname[PATH_MAX*3];
char fname2[PATH_MAX*2];
char buf[1024 * 4];
struct stat st;
const char *tarExtractCommand = "tar xz -C";
char tarxz[PATH_MAX];
if( stat( archive, &st ) == 0 )
{
unpackProgressMbTotal = st.st_size / 1024 / 1024;
if( unpackProgressMbTotal <= 0 )
unpackProgressMbTotal = 1;
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Unpacking data: total size %d Mb", unpackProgressMbTotal);
}
else
{
if (strstr(archive, ".tar.gz") == archive + strlen(archive) - strlen(".tar.gz"))
{
strcpy(tarxz, archive);
strstr(tarxz, ".tar.gz")[5] = 'x'; // .tar.gz -> .tar.xz
if( stat( tarxz, &st ) == 0 )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Found .tar.xz archive: %s", tarxz);
archive = tarxz;
tarExtractCommand = "tar xJ -C";
unpackProgressMbTotal = st.st_size / 1024 / 1024;
if( unpackProgressMbTotal <= 0 )
unpackProgressMbTotal = 1;
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Unpacking data: total size %d Mb", unpackProgressMbTotal);
}
else
return 1;
}
}
unpackProgressMb = 0;
strcpy( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/" );
strcat( fname, script );
strcpy( fname2, getenv("SECURE_STORAGE_DIR") );
strcat( fname2, "/" );
strcat( fname2, deleteOldDataMarkerFile );
if( strlen(deleteOldDataMarkerFile) > 0 && stat( fname, &st ) == 0 && stat( fname2, &st ) == 0 )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Upgrade detected, showing warning dialog");
upgradeWarning = UPGRADE_WARNING_ASK;
while( upgradeWarning == UPGRADE_WARNING_ASK )
SDL_Delay(200);
if( upgradeWarning == UPGRADE_WARNING_CANCEL )
return 1;
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Deleting old installation...");
sprintf(unpackLog[0], "Deleting old installation...");
strcpy( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/busybox" );
strcat( fname, " mkdir -p " );
strcat( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/../cache" );
__android_log_print(ANDROID_LOG_INFO, "XSDL", "%s", fname);
system( fname );
strcpy( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/busybox" );
strcat( fname, " cp -a " );
strcat( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/busybox " );
strcat( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/../cache/busybox" );
__android_log_print(ANDROID_LOG_INFO, "XSDL", "%s", fname);
system( fname );
strcpy( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/../cache/busybox" );
strcat( fname, " rm -rf " );
strcat( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/*" );
__android_log_print(ANDROID_LOG_INFO, "XSDL", "%s", fname);
system( fname );
sprintf(unpackLog[0], "Restarting the app...");
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Restarting the app: %s", fname);
SDL_ANDROID_OpenExternalApp(getenv("ANDROID_PACKAGE_NAME"), ".RestartMainActivity", NULL);
sleep(1);
exit(0);
}
sprintf(unpackLog[0], "Unpacking data: %s", archive);
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Unpacking data: %s", archive);
strcpy( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/busybox" );
strcat( fname, " " );
strcat( fname, tarExtractCommand );
strcat( fname, " " );
strcat( fname, getenv("SECURE_STORAGE_DIR") );
FILE * fo = popen(fname, "w");
FILE * ff = fopen(archive, "rb");
if( !ff || !fo )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error extracting data");
sprintf(unpackLog[0], "Error extracting data");
return 0;
}
__android_log_print(ANDROID_LOG_INFO, "XSDL", "POPEN OK");
int unpackProgressKb = 0;
for(;;)
{
//__android_log_print(ANDROID_LOG_INFO, "XSDL", "FREAD %d", unpackProgressKb);
int cnt = fread( buf, 1, sizeof(buf), ff );
//__android_log_print(ANDROID_LOG_INFO, "XSDL", "FREAD %d READ %d", unpackProgressKb, cnt);
if( cnt < 0 )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error extracting data");
sprintf(unpackLog[0], "Error extracting data");
return 1;
}
fwrite( buf, 1, cnt, fo );
if( cnt < sizeof(buf) )
break;
unpackProgressKb += 4;
if( unpackProgressKb >= 1024 )
{
unpackProgressKb = 0;
unpackProgressMb++;
sprintf(unpackLog[0], "Unpacking data: %d/%d Mb, %d%%", unpackProgressMb, unpackProgressMbTotal, unpackProgressMb * 100 / (unpackProgressMbTotal > 0 ? unpackProgressMbTotal : 1));
}
}
__android_log_print(ANDROID_LOG_INFO, "XSDL", "FREAD %d Mb DONE", unpackProgressMb);
fclose(ff);
if( pclose(fo) != 0 ) // Returns error on Android 2.3 emulator!
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error extracting data - pclose() returned error, ignoring that error");
//return 0;
}
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Extracting data finished");
remove(archive);
if( strlen(script) == 0 )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "No postinstall script");
return 1;
}
sprintf(unpackLog[0], "Running postinstall script: %s", script);
strcpy( fname, getenv("SECURE_STORAGE_DIR") );
strcat( fname, "/" );
strcat( fname, script );
if( stat( fname, &st ) != 0 )
{
strcpy( fname2, getenv("UNSECURE_STORAGE_DIR") );
strcat( fname2, "/" );
strcat( fname2, script );
if( stat( fname2, &st ) != 0 )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Cannot find postinstall script");
return 1;
}
else
{
strcpy( fname2, "cat " );
strcat( fname2, getenv("UNSECURE_STORAGE_DIR") );
strcat( fname2, "/" );
strcat( fname2, script );
strcat( fname2, " > " );
strcat( fname2, fname );
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Copying postinstall script from SD card: %s", fname2);
system( fname2 );
}
}
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Setting executable permissions on postinstall script");
strcpy( fname2, "chmod 755 " );
strcat( fname2, fname );
system( fname2 );
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Running postinstall scipt: %s", script);
fo = popen(fname, "r");
if( !fo )
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "ERROR: Cannot launch postinstall script");
return 0;
}
for(;;)
{
if( !fgets(buf, sizeof(buf), fo) )
break;
if( strchr(buf, '\n') != NULL )
strchr(buf, '\n')[0] = 0;
__android_log_print(ANDROID_LOG_INFO, "XSDL", "> %s", buf);
strncpy(unpackLog[3], unpackLog[2], sizeof(unpackLog[1]) - 4);
strncpy(unpackLog[2], unpackLog[1], sizeof(unpackLog[1]) - 4);
strncpy(unpackLog[1], buf, sizeof(unpackLog[1]) - 4);
}
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Postinstall script exited with status %d", pclose(fo));
sprintf(unpackLog[0], "Running postinstall script finished");
return 1;
}
static void * unpackFilesThread(void * unused)
{
const char *unpack[][3] =
{
{ "data.tar.gz", "postinstall.sh", "usr/lib/xorg/protocol.txt" },
{ "xfonts.tar.gz", "", "" },
{ "update1.tar.gz", "update1.sh", "" },
{ "update2.tar.gz", "update2.sh", "" },
{ "update3.tar.gz", "update3.sh", "" },
{ "update4.tar.gz", "update4.sh", "" },
{ "update5.tar.gz", "update5.sh", "" },
{ "update6.tar.gz", "update6.sh", "" },
{ "update7.tar.gz", "update7.sh", "" },
{ "update8.tar.gz", "update8.sh", "" },
{ "update9.tar.gz", "update9.sh", "" },
{NULL, NULL, NULL}
};
int i;
for( i = 0; unpack[i][0] != NULL; i++ )
{
int status = unpackFiles(unpack[i][0], unpack[i][1], unpack[i][2]);
if( status == 0 && i == 0 ) // Only the first archive is mandatory
{
unpackFinished = 1;
return (void *)0;
}
}
unpackFinished = 1;
return (void *)1;
}
void XSDL_unpackFiles()
{
pthread_t thread_id;
void * status;
memset(unpackLog, 0, sizeof(unpackLog));
pthread_create(&thread_id, NULL, &unpackFilesThread, NULL);
int progress = 0;
enum {PROGRESS_WHEEL_NUM = 8};
const char *progressWheel[PROGRESS_WHEEL_NUM] = { ";,,,,,,,", ",;,,,,,,", ",,;,,,,,", ",,,;,,,,", ",,,,;,,,", ",,,,,;,,", ",,,,,,;,", ",,,,,,,;" };
while (!unpackFinished)
{
SDL_Delay(400);
SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
renderString(unpackLog[0], VID_X/2, VID_Y*2/8);
renderString(unpackLog[1], VID_X/2, VID_Y*3/8);
renderString(unpackLog[2], VID_X/2, VID_Y*4/8);
renderString(unpackLog[3], VID_X/2, VID_Y*5/8);
progress++;
renderString(progressWheel[progress % PROGRESS_WHEEL_NUM], VID_X/2, VID_Y*6/8);
renderString("You may put this app to background while it's unpacking", VID_X/2, VID_Y*7/8);
SDL_Flip(SDL_GetVideoSurface());
int x, y;
while( upgradeWarning == UPGRADE_WARNING_ASK )
{
char s[PATH_MAX];
sprintf(s, "New update available for %s", getenv("ANDROID_APP_NAME"));
renderString(s, VID_X/2, VID_Y*2/8);
sprintf(s, "Please move all your %s files to SD card", getenv("ANDROID_APP_NAME"));
renderString(s, VID_X/2, VID_Y*3/8);
renderString("or they will be deleted during upgrade", VID_X/2, VID_Y*4/8);
renderString("Install now", VID_X/4, VID_Y*6/8);
renderString("Install later", VID_X*3/4, VID_Y*6/8);
SDL_Flip(SDL_GetVideoSurface());
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_HELP)
upgradeWarning = UPGRADE_WARNING_CANCEL;
break;
case SDL_MOUSEBUTTONUP:
if( y > VID_Y*5/8 && y < VID_Y*7/8 )
upgradeWarning = (x > VID_X/2) ? UPGRADE_WARNING_CANCEL : UPGRADE_WARNING_PROCEED;
break;
case SDL_JOYBALLMOTION:
x = event.jball.xrel;
y = event.jball.yrel;
break;
}
}
SDL_Delay(200);
}
}
pthread_join(thread_id, &status);
if( status == 0 )
{
showErrorMessage("Cannot unpack data files, please reinstall the app");
exit(1);
}
}
void XSDL_showConfigMenu(int * resolutionW, int * displayW, int * resolutionH, int * displayH)
{
int x = 0, y = 0, i, ii;
SDL_Event event;
int res = -1, dpi = -1;
int customX = 1000, customY = 1000;
enum { MODE_CUSTOM = 11 };
char native[32] = "0x0", native56[32], native46[32], native36[32], native26[32];
char custom[32] = "1000x1000";
int vertical = SDL_ListModes(NULL, 0)[0]->w < SDL_ListModes(NULL, 0)[0]->h;
char cfgpath[PATH_MAX];
FILE * cfgfile;
if( vertical )
{
x = *resolutionW;
*resolutionW = *resolutionH;
*resolutionH = x;
x = *displayW;
*displayW = *displayH;
*displayH = x;
}
const char * resStr[] =
{
native, native56, native46, native36,
native26, "1280x1024", "1280x960", "1280x720",
"1024x768", "800x600", "800x480", custom
};
const int resVal[][2] = {
{*resolutionW, *resolutionH},
{(*resolutionW * 5 / 6) & ~0x3, (*resolutionH * 5 / 6) & ~0x3},
{(*resolutionW * 4 / 6) & ~0x3, (*resolutionH * 4 / 6) & ~0x3},
{(*resolutionW * 3 / 6) & ~0x3, (*resolutionH * 3 / 6) & ~0x3},
{(*resolutionW * 2 / 6) & ~0x3, (*resolutionH * 2 / 6) & ~0x3},
{1280,1024}, {1280,960}, {1280,720},
{1024,768}, {800,600}, {800,480}, {customX,customY}
};
const char * fontsStr[] = {
"X2.5", "X2", "X1.7", "X1.5",
"X1.3", "X1", "X0.9", "X0.8",
"X0.7", "X0.6", "X0.5", "X0.4",
"X0.3", "X0.2", "X0.15", "X0.1"
};
const float fontsVal[] = {
2.5f, 2.0f, 1.7f, 1.5f,
1.3f, 1.0f, 0.9f, 0.8f,
0.7f, 0.6f, 0.5f, 0.4f,
0.3f, 0.2f, 0.15f, 0.1f
};
sprintf(native, "%dx%d", resVal[0][0], resVal[0][1]);
sprintf(native56, "%dx%d", resVal[1][0], resVal[1][1]);
sprintf(native46, "%dx%d", resVal[2][0], resVal[2][1]);
sprintf(native36, "%dx%d", resVal[3][0], resVal[3][1]);
sprintf(native26, "%dx%d", resVal[4][0], resVal[4][1]);
int savedRes = 0;
int savedDpi = 8;
sprintf(cfgpath, "%s/.xsdl.cfg", getenv("SECURE_STORAGE_DIR"));
cfgfile = fopen(cfgpath, "r");
if( cfgfile )
{
fscanf(cfgfile, "%d %d %d %d", &savedRes, &savedDpi, &customX, &customY);
fclose(cfgfile);
}
sprintf(custom, "%dx%d", customX, customY);
int counter = 3000, config = 0;
Uint32 curtime = SDL_GetTicks();
while ( counter > 0 && !config )
{
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_HELP)
counter = 0;
break;
case SDL_MOUSEBUTTONUP:
config = 1;
break;
}
}
SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
y = VID_Y/3;
renderString("Tap the screen to change", vertical ? VID_Y / 2 : VID_X/2, y);
y += 30;
renderString("display resolution and font scale (DPI)", vertical ? VID_Y / 2 : VID_X/2, y);
char buf[100];
y += 30;
sprintf(buf, "Resolution: %s", resStr[savedRes]);
renderString(buf, vertical ? VID_Y / 2 : VID_X/2, y);
y += 30;
sprintf(buf, "Font scale: %s", fontsStr[savedDpi]);
renderString(buf, vertical ? VID_Y / 2 : VID_X/2, y);
y += 40;
sprintf(buf, "Starting in %d seconds", counter / 1000 + 1);
renderString(buf, vertical ? VID_Y / 2 : VID_X/2, y);
SDL_Delay(100);
SDL_Flip(SDL_GetVideoSurface());
counter -= SDL_GetTicks() - curtime;
curtime = SDL_GetTicks();
}
if( !config )
{
res = savedRes;
dpi = savedDpi;
}
SDL_Joystick * j0 = SDL_JoystickOpen(0);
while ( res < 0 )
{
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_HELP)
return;
break;
case SDL_MOUSEBUTTONUP:
{
//SDL_GetMouseState(&x, &y);
if( vertical )
{
int z = x;
x = y;
y = z;
}
i = (y / (VID_Y/3));
ii = (x / (VID_X/4));
res = i * 4 + ii;
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Screen coords %d %d res %d\n", x, y, res);
}
break;
case SDL_JOYBALLMOTION:
x = event.jball.xrel;
y = event.jball.yrel;
break;
}
}
//__android_log_print(ANDROID_LOG_INFO, "XSDL", "Screen coords %d %d\n", x, y, res);
SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
renderString("Select display resolution", vertical ? VID_Y / 2 : VID_X/2, VID_Y/3);
for(i = 0; i < 3; i++)
for(ii = 0; ii < 4; ii++)
{
if( vertical )
renderString(resStr[i*4+ii], VID_Y/6 + (i*VID_Y/3), VID_X/8 + (ii*VID_X/4));
else
renderString(resStr[i*4+ii], VID_X/8 + (ii*VID_X/4), VID_Y/6 + (i*VID_Y/3));
if( i == 0 && ii == 0 && !vertical )
renderString("native", VID_X/8, VID_Y/6 - VID_Y/12);
if( i == 2 && ii == 3 && !vertical )
renderString("custom", VID_X/8 + (ii*VID_X/4), VID_Y/6 - VID_Y/12 + (i*VID_Y/3));
}
//SDL_GetMouseState(&x, &y);
//renderString("X", x, y);
SDL_Delay(100);
SDL_Flip(SDL_GetVideoSurface());
if (res == MODE_CUSTOM)
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Selected custom display resolution");
SDL_ANDROID_ToggleScreenKeyboardWithoutTextInput();
customX = 0;
customY = 0;
custom[0] = 0;
while (customX == 0 || customY == 0)
{
while (SDL_PollEvent(&event))
{
if (event.type == SDL_KEYDOWN)
{
switch (event.key.keysym.sym)
{
case SDLK_HELP:
return;
case SDLK_RETURN:
if (customX == 0)
customX = atoi(custom);
else
customY = atoi(custom);
custom[0] = 0;
break;
case SDLK_BACKSPACE:
if (strlen(custom) > 0)
custom[strlen(custom) - 1] = 0;
break;
case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9':
custom[strlen(custom) + 1] = 0;
custom[strlen(custom)] = event.key.keysym.sym;
break;
default:
break;
}
}
}
SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
if (customX == 0)
renderString("Enter width:", VID_X/8, VID_Y/6);
else
renderString("Enter height:", VID_X/8, VID_Y/6);
renderString("Press Enter when done", VID_X*3/4, VID_Y/6);
renderString(custom, VID_X/8 + VID_X/4, VID_Y/6);
SDL_Delay(100);
SDL_Flip(SDL_GetVideoSurface());
}
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Selected custom display resolution: %s = %d %d", custom, customX, customY);
}
}
*resolutionW = resVal[res][0];
*resolutionH = resVal[res][1];
if (res == MODE_CUSTOM)
{
*resolutionW = customX;
*resolutionH = customY;
}
while ( dpi < 0 )
{
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_HELP)
return;
break;
case SDL_MOUSEBUTTONUP:
{
//SDL_GetMouseState(&x, &y);
if( vertical )
{
int z = x;
x = y;
y = z;
}
i = (y / (VID_Y/4));
ii = (x / (VID_X/4));
dpi = i * 4 + ii;
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Screen coords %d %d dpi %d\n", x, y, res);
}
break;
case SDL_JOYBALLMOTION:
x = event.jball.xrel;
y = event.jball.yrel;
break;
}
}
SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
renderString("Select font scale (DPI)", vertical ? VID_Y / 2 : VID_X/2, VID_Y/2);
for(i = 0; i < 4; i++)
for(ii = 0; ii < 4; ii++)
{
int scale = (float)(*displayH) * (float)(*resolutionH) / 3500.0f * fontsVal[i*4+ii];
if( vertical )
renderStringScaled(fontsStr[i*4+ii], scale < VID_Y/12 ? scale : VID_Y/12, VID_Y/8 + (i*VID_Y/4), VID_X/8 + (ii*VID_X/4), 255, 255, 255, SDL_GetVideoSurface());
else
renderStringScaled(fontsStr[i*4+ii], scale, VID_X/8 + (ii*VID_X/4), VID_Y/8 + (i*VID_Y/4), 255, 255, 255, SDL_GetVideoSurface());
}
//SDL_GetMouseState(&x, &y);
//renderString("X", x, y);
SDL_Delay(100);
SDL_Flip(SDL_GetVideoSurface());
}
*displayW = *displayW / fontsVal[dpi];
*displayH = *displayH / fontsVal[dpi];
SDL_JoystickClose(j0);
if( config )
{
cfgfile = fopen(cfgpath, "w");
if( cfgfile )
{
fprintf(cfgfile, "%d %d %d %d\n", res, dpi, customX, customY);
fclose(cfgfile);
}
}
}
void XSDL_generateBackground(const char * port, int showHelp, int resolutionW, int resolutionH)
{
int sd, addr, ifc_num, i;
struct ifconf ifc;
struct ifreq ifr[20];
SDL_Surface * surf;
int y = resolutionH * 1 / 3;
char msg[128];
if (resolutionH > resolutionW)
resolutionH = resolutionW;
if( !showHelp )
{
surf = SDL_CreateRGBSurface(SDL_SWSURFACE, 16, 16, 24, 0x0000ff, 0x00ff00, 0xff0000, 0);
SDL_FillRect(surf, NULL, 0x00002f);
SDL_SaveBMP(surf, "background.bmp");
SDL_FreeSurface(surf);
return;
}
surf = SDL_CreateRGBSurface(SDL_SWSURFACE, resolutionW, resolutionH, 24, 0x0000ff, 0x00ff00, 0xff0000, 0);
SDL_FillRect(surf, NULL, 0x00002f);
renderStringScaled("Launch these commands on your Linux PC:", 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
y += resolutionH * 30 / VID_Y;
sd = socket(PF_INET, SOCK_DGRAM, 0);
if (sd > 0)
{
ifc.ifc_len = sizeof(ifr);
ifc.ifc_ifcu.ifcu_buf = (caddr_t)ifr;
if (ioctl(sd, SIOCGIFCONF, &ifc) == 0)
{
ifc_num = ifc.ifc_len / sizeof(struct ifreq);
__android_log_print(ANDROID_LOG_INFO, "XSDL", "%d network interfaces found", ifc_num);
for (i = 0; i < ifc_num; ++i)
{
int addr = 0;
char saddr[32];
if (ifr[i].ifr_addr.sa_family != AF_INET)
continue;
if (ioctl(sd, SIOCGIFADDR, &ifr[i]) == 0)
addr = ((struct sockaddr_in *)(&ifr[i].ifr_addr))->sin_addr.s_addr;
if (addr == 0)
continue;
sprintf (saddr, "%d.%d.%d.%d", (addr & 0xFF), (addr >> 8 & 0xFF), (addr >> 16 & 0xFF), (addr >> 24 & 0xFF));
__android_log_print(ANDROID_LOG_INFO, "XSDL", "interface: %s address: %s\n", ifr[i].ifr_name, saddr);
if (strcmp(saddr, "127.0.0.1") == 0)
continue;
sprintf (msg, "env DISPLAY=%s%s metacity &", saddr, port);
renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
y += resolutionH * 15 / VID_Y;
sprintf (msg, "env DISPLAY=%s%s gimp", saddr, port);
renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
y += resolutionH * 20 / VID_Y;
}
}
close(sd);
}
y += resolutionH * 10 / VID_Y;
sprintf (msg, "To tunnel X over SSH, forward port %d", atoi(port+1) + 6000);
renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
y += resolutionH * 15 / VID_Y;
sprintf (msg, "in your SSH client");
renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
SDL_SaveBMP(surf, "background.bmp");
SDL_FreeSurface(surf);
}
void XSDL_showServerLaunchErrorMessage()
{
showErrorMessage( "Error: X server failed to launch.\n\n"
"This may happen because of SELinux,\n"
"or because installation was corrupted.\n"
"Either way, this app will not work, which is sad.");
}
void showErrorMessage(const char *msg)
{
SDL_Event event;
const char * s;
int y = VID_Y/3;
SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
for( s = msg; s && s[0]; s = strchr(s, '\n'), s += (s ? 1 : 0), y += 30 )
{
const char * s1 = strchr(s, '\n');
int len = s1 ? s1 - s : strlen(s);
char buf[512];
strncpy(buf, s, len);
buf[len] = 0;
if( len > 0 )
renderString(buf, VID_X/2, y);
}
SDL_Flip(SDL_GetVideoSurface());
while (1)
{
while (SDL_WaitEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_HELP)
return;
break;
}
}
}
}
void XSDL_initSDL()
{
char fontpath[PATH_MAX];
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Current video mode: %d %d", SDL_ListModes(NULL, 0)[0]->w, SDL_ListModes(NULL, 0)[0]->h);
if( SDL_ListModes(NULL, 0)[0]->w > SDL_ListModes(NULL, 0)[0]->h )
SDL_SetVideoMode(VID_X, VID_Y, 0, SDL_SWSURFACE);
else
SDL_SetVideoMode(VID_Y, VID_X, 0, SDL_SWSURFACE);
TTF_Init();
strcpy( fontpath, getenv("UNSECURE_STORAGE_DIR") );
strcat( fontpath, "/DroidSansMono.ttf" );
sFont = TTF_OpenFont(fontpath, 14);
if (!sFont)
{
__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error: cannot open font file, please reinstall the app");
exit(1);
}
}
void XSDL_deinitSDL()
{
TTF_CloseFont(sFont);
sFont = NULL;
TTF_Quit();
// Do NOT call SDL_Quit(), it crashes!
}
void renderStringColor(const char *c, int x, int y, int r, int g, int b, SDL_Surface * surf)
{
if (!c || !c[0])
return;
SDL_Color fColor = {r, g, b};
SDL_Rect fontRect = {0, 0, 0, 0};
SDL_Surface* fontSurface = TTF_RenderUTF8_Solid(sFont, c, fColor);
fontRect.w = fontSurface->w;
fontRect.h = fontSurface->h;
fontRect.x = x - fontRect.w / 2;
fontRect.y = y - fontRect.h / 2;
SDL_BlitSurface(fontSurface, NULL, surf, &fontRect);
SDL_FreeSurface(fontSurface);
}
void renderString(const char *c, int x, int y)
{
renderStringColor(c, x, y, 255, 255, 255, SDL_GetVideoSurface());
}
void renderStringScaled(const char *c, int size, int x, int y, int r, int g, int b, SDL_Surface * surf)
{
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);
SDL_Surface* fontSurface = TTF_RenderUTF8_Solid(font, c, fColor);
TTF_CloseFont(font);
fontRect.w = fontSurface->w;
fontRect.h = fontSurface->h;
fontRect.x = x - fontRect.w / 2;
fontRect.y = y - fontRect.h / 2;
SDL_BlitSurface(fontSurface, NULL, surf, &fontRect);
SDL_FreeSurface(fontSurface);
}
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