563 lines
15 KiB
C
563 lines
15 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <linux/sockios.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <arpa/inet.h>
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#include <pthread.h>
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#include <SDL/SDL.h>
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#include <SDL/SDL_ttf.h>
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#include <android/log.h>
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#include "gfx.h"
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static TTF_Font* sFont;
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static int unpackProgressMb;
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static int unpackProgressMbTotal = 1;
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static int unpackFinished = 0;
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static void renderString(const char *c, int x, int y);
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static void renderStringColor(const char *c, int x, int y, int r, int g, int b, SDL_Surface * surf);
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static void renderStringScaled(const char *c, int size, int x, int y, int r, int g, int b, SDL_Surface * surf);
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static void * unpackFilesThread(void * unused);
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static void showErrorMessage(const char *msg);
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void * unpackFilesThread(void * unused)
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{
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char fname[PATH_MAX*2];
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strcpy( fname, getenv("SECURE_STORAGE_DIR") );
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strcat( fname, "/usr/lib/xorg/protocol.txt" );
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struct stat st;
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if( stat( fname, &st ) == 0 )
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{
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unpackFinished = 1;
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return (void *)1;
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}
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Unpacking data");
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if( stat( "data.tar.gz", &st ) == 0 )
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unpackProgressMbTotal = st.st_size / 1024 / 1024;
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else
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unpackProgressMbTotal = 1;
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unpackProgressMb = 0;
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FILE * ff = fopen("data.tar.gz", "rb");
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strcpy( fname, getenv("SECURE_STORAGE_DIR") );
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strcat( fname, "/busybox" );
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strcat( fname, " tar xz -C " );
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strcat( fname, getenv("SECURE_STORAGE_DIR") );
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FILE * fo = popen(fname, "w");
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if( !ff || !fo )
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{
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error extracting data");
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unpackFinished = 1;
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return (void *)0;
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}
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int unpackProgressKb = 0;
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for(;;)
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{
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char buf[1024 * 8];
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int cnt = fread( buf, 1, sizeof(buf), ff );
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if( cnt < 0 )
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{
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error extracting data");
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unpackFinished = 1;
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return (void *)1;
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}
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fwrite( buf, 1, cnt, fo );
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if( cnt < sizeof(buf) )
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break;
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unpackProgressKb += 8;
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if( unpackProgressKb >= 1024 )
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{
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unpackProgressKb = 0;
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unpackProgressMb++;
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}
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}
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fclose(ff);
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if( pclose(fo) != 0 )
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{
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Error extracting data");
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unpackFinished = 1;
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return (void *)0;
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}
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remove("data.tar.gz");
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Extracting data finished");
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strcpy( fname, getenv("SECURE_STORAGE_DIR") );
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strcat( fname, "/postinstall.sh" );
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if( stat( fname, &st ) != 0 )
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{
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "No postinstall script");
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unpackFinished = 1;
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return (void *)1;
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}
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Running postinstall scipt");
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fo = popen(fname, "r");
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if( !fo )
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{
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "ERROR: Cannot launch postinstall scipt");
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unpackFinished = 1;
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return (void *)0;
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}
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for(;;)
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{
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char buf[1024];
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if( !fgets(buf, sizeof(buf), fo) )
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break;
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "> %s", buf);
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}
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Postinstall scipt exited with status %d", pclose(fo));
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unpackFinished = 1;
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return (void *)1;
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}
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void XSDL_unpackFiles()
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{
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pthread_t thread_id;
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void * status;
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pthread_create(&thread_id, NULL, &unpackFilesThread, NULL);
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while (!unpackFinished)
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{
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SDL_Delay(400);
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SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
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char s[128];
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sprintf(s, "Unpacking data: %d/%d Mb, %d%%", unpackProgressMb, unpackProgressMbTotal, unpackProgressMb * 100 / (unpackProgressMbTotal > 0 ? unpackProgressMbTotal : 1));
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renderString(s, VID_X/2, VID_Y/3);
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renderString("You may put this app to background while it's unpacking", VID_X/2, VID_Y*2/3);
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SDL_Flip(SDL_GetVideoSurface());
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}
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pthread_join(thread_id, &status);
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if( status == 0 )
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{
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showErrorMessage("Cannot unpack data files, please reinstall the app");
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exit(1);
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}
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}
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void XSDL_showConfigMenu(int * resolutionW, int * displayW, int * resolutionH, int * displayH)
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{
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int x, y, i, ii;
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SDL_Event event;
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int res = -1, dpi = -1;
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char native[32] = "0x0", native56[32], native46[32], native36[32], native26[32];
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int vertical = SDL_ListModes(NULL, 0)[0]->w < SDL_ListModes(NULL, 0)[0]->h;
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char cfgpath[PATH_MAX];
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FILE * cfgfile;
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if( vertical )
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{
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x = *resolutionW;
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*resolutionW = *resolutionH;
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*resolutionH = x;
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x = *displayW;
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*displayW = *displayH;
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*displayH = x;
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}
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const char * resStr[] = {
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native, native56, native46, native36,
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native26, "1280x1024", "1280x960", "1280x720",
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"1024x768", "800x600", "800x480", "640x480"
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};
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const int resVal[][2] = {
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{*resolutionW, *resolutionH},
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{*resolutionW * 5 / 6, *resolutionH * 5 / 6},
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{*resolutionW * 4 / 6, *resolutionH * 4 / 6},
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{*resolutionW * 3 / 6, *resolutionH * 3 / 6},
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{*resolutionW * 2 / 6, *resolutionH * 2 / 6},
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{1280,1024}, {1280,960}, {1280,720},
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{1024,768}, {800,600}, {800,480}, {640,480}
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};
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const char * fontsStr[] = {
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"X2.5", "X2", "X1.7", "X1.5",
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"X1.3", "X1", "X0.9", "X0.8",
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"X0.7", "X0.6", "X0.5", "X0.4",
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"X0.3", "X0.2", "X0.15", "X0.1"
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};
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const float fontsVal[] = {
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2.5f, 2.0f, 1.7f, 1.5f,
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1.3f, 1.0f, 0.9f, 0.8f,
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0.7f, 0.6f, 0.5f, 0.4f,
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0.3f, 0.2f, 0.15f, 0.1f
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};
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sprintf(native, "%dx%d", resVal[0][0], resVal[0][1]);
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sprintf(native56, "%dx%d", resVal[1][0], resVal[1][1]);
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sprintf(native46, "%dx%d", resVal[2][0], resVal[2][1]);
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sprintf(native36, "%dx%d", resVal[3][0], resVal[3][1]);
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sprintf(native26, "%dx%d", resVal[4][0], resVal[4][1]);
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int savedRes = 0;
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int savedDpi = 8;
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sprintf(cfgpath, "%s/.xsdl.cfg", getenv("SECURE_STORAGE_DIR"));
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cfgfile = fopen(cfgpath, "r");
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if( cfgfile )
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{
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fscanf(cfgfile, "%d %d", &savedRes, &savedDpi);
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fclose(cfgfile);
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}
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int counter = 3000, config = 0;
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Uint32 curtime = SDL_GetTicks();
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while ( counter > 0 && !config )
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{
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while (SDL_PollEvent(&event))
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{
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switch (event.type)
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{
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case SDL_KEYDOWN:
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if (event.key.keysym.sym == SDLK_HELP)
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counter = 0;
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break;
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case SDL_MOUSEBUTTONUP:
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config = 1;
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break;
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}
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}
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SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
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y = VID_Y/3;
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renderString("Tap screen to change resolution and font scale", VID_X/2, y);
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char buf[100];
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y += 30;
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sprintf(buf, "Resolution: %s", resStr[savedRes]);
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renderString(buf, VID_X/2, y);
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y += 30;
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sprintf(buf, "Font scale: %s", fontsStr[savedDpi]);
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renderString(buf, VID_X/2, y);
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y += 40;
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sprintf(buf, "Starting in %d seconds", counter / 1000 + 1);
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renderString(buf, VID_X/2, y);
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SDL_Delay(100);
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SDL_Flip(SDL_GetVideoSurface());
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counter -= SDL_GetTicks() - curtime;
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curtime = SDL_GetTicks();
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}
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if( !config )
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{
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res = savedRes;
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dpi = savedDpi;
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}
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SDL_Joystick * j0 = SDL_JoystickOpen(0);
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while ( res < 0 )
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{
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while (SDL_PollEvent(&event))
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{
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switch (event.type)
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{
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case SDL_KEYDOWN:
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if (event.key.keysym.sym == SDLK_HELP)
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return;
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break;
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case SDL_MOUSEBUTTONUP:
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{
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//SDL_GetMouseState(&x, &y);
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if( vertical )
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{
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int z = x;
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x = y;
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y = z;
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}
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i = (y / (VID_Y/2));
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ii = (x / (VID_X/4));
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res = i * 4 + ii;
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Screen coords %d %d res %d\n", x, y, res);
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}
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break;
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case SDL_JOYBALLMOTION:
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x = event.jball.xrel;
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y = event.jball.yrel;
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break;
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}
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}
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//__android_log_print(ANDROID_LOG_INFO, "XSDL", "Screen coords %d %d\n", x, y, res);
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SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
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renderString("Select display resolution", VID_X/2, VID_Y/3);
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for(i = 0; i < 3; i++)
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for(ii = 0; ii < 4; ii++)
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{
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if( vertical )
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renderString(resStr[i*4+ii], VID_Y/6 + (i*VID_Y/3), VID_X/8 + (ii*VID_X/4));
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else
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renderString(resStr[i*4+ii], VID_X/8 + (ii*VID_X/4), VID_Y/6 + (i*VID_Y/3));
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if( i == 0 && ii == 0 && !vertical )
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renderString("native", VID_X/8, VID_Y/6 + VID_Y/12);
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}
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//SDL_GetMouseState(&x, &y);
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//renderString("X", x, y);
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SDL_Delay(100);
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SDL_Flip(SDL_GetVideoSurface());
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}
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if( vertical )
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{
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*resolutionH = resVal[res][0];
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*resolutionW = resVal[res][1];
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}
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else
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{
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*resolutionW = resVal[res][0];
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*resolutionH = resVal[res][1];
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}
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while ( dpi < 0 )
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{
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while (SDL_PollEvent(&event))
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{
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switch (event.type)
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{
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case SDL_KEYDOWN:
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if (event.key.keysym.sym == SDLK_HELP)
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return;
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break;
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case SDL_MOUSEBUTTONUP:
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{
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//SDL_GetMouseState(&x, &y);
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if( vertical )
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{
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int z = x;
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x = y;
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y = z;
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}
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i = (y / (VID_Y/4));
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ii = (x / (VID_X/4));
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dpi = i * 4 + ii;
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "Screen coords %d %d dpi %d\n", x, y, res);
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}
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break;
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case SDL_JOYBALLMOTION:
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x = event.jball.xrel;
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y = event.jball.yrel;
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break;
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}
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}
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SDL_FillRect(SDL_GetVideoSurface(), NULL, 0);
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renderString("Select font scale", VID_X/2, VID_Y/2);
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for(i = 0; i < 4; i++)
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for(ii = 0; ii < 4; ii++)
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{
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int scale = (float)(*displayH) * (float)(*resolutionH) / 3500.0f * fontsVal[i*4+ii];
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if( vertical )
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renderStringScaled(fontsStr[i*4+ii], scale, VID_Y/8 + (i*VID_Y/4), VID_X/8 + (ii*VID_X/4), 255, 255, 255, SDL_GetVideoSurface());
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else
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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());
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}
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//SDL_GetMouseState(&x, &y);
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//renderString("X", x, y);
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SDL_Delay(100);
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SDL_Flip(SDL_GetVideoSurface());
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}
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*displayW = *displayW / fontsVal[dpi];
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*displayH = *displayH / fontsVal[dpi];
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SDL_JoystickClose(j0);
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if( config )
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{
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cfgfile = fopen(cfgpath, "w");
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if( cfgfile )
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{
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fprintf(cfgfile, "%d %d\n", res, dpi);
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fclose(cfgfile);
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}
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}
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}
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void XSDL_generateBackground(const char * port, int showHelp, int resolutionW, int resolutionH)
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{
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int sd, addr, ifc_num, i;
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struct ifconf ifc;
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struct ifreq ifr[20];
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SDL_Surface * surf;
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int y = resolutionH * 1 / 3;
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char msg[128];
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if (resolutionH > resolutionW)
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resolutionH = resolutionW;
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if( !showHelp )
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{
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surf = SDL_CreateRGBSurface(SDL_SWSURFACE, 16, 16, 24, 0x0000ff, 0x00ff00, 0xff0000, 0);
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SDL_FillRect(surf, NULL, 0x00002f);
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SDL_SaveBMP(surf, "background.bmp");
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SDL_FreeSurface(surf);
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return;
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}
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surf = SDL_CreateRGBSurface(SDL_SWSURFACE, resolutionW, resolutionH, 24, 0x0000ff, 0x00ff00, 0xff0000, 0);
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SDL_FillRect(surf, NULL, 0x00002f);
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renderStringScaled("Launch these commands on your Linux PC:", 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
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y += resolutionH * 30 / VID_Y;
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sd = socket(PF_INET, SOCK_DGRAM, 0);
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if (sd > 0)
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{
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ifc.ifc_len = sizeof(ifr);
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ifc.ifc_ifcu.ifcu_buf = (caddr_t)ifr;
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if (ioctl(sd, SIOCGIFCONF, &ifc) == 0)
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{
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ifc_num = ifc.ifc_len / sizeof(struct ifreq);
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "%d network interfaces found", ifc_num);
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for (i = 0; i < ifc_num; ++i)
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{
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int addr = 0;
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char saddr[32];
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if (ifr[i].ifr_addr.sa_family != AF_INET)
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continue;
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if (ioctl(sd, SIOCGIFADDR, &ifr[i]) == 0)
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addr = ((struct sockaddr_in *)(&ifr[i].ifr_addr))->sin_addr.s_addr;
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if (addr == 0)
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continue;
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sprintf (saddr, "%d.%d.%d.%d", (addr & 0xFF), (addr >> 8 & 0xFF), (addr >> 16 & 0xFF), (addr >> 24 & 0xFF));
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__android_log_print(ANDROID_LOG_INFO, "XSDL", "interface: %s address: %s\n", ifr[i].ifr_name, saddr);
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if (strcmp(saddr, "127.0.0.1") == 0)
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continue;
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sprintf (msg, "env DISPLAY=%s%s metacity &", saddr, port);
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renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
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y += resolutionH * 15 / VID_Y;
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sprintf (msg, "env DISPLAY=%s%s gimp", saddr, port);
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renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
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y += resolutionH * 20 / VID_Y;
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}
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}
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close(sd);
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}
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y += resolutionH * 10 / VID_Y;
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sprintf (msg, "To tunnel X over SSH, forward port %d", atoi(port+1) + 6000);
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renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
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y += resolutionH * 15 / VID_Y;
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sprintf (msg, "in your SSH client");
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renderStringScaled(msg, 12 * resolutionH / VID_Y, resolutionW/2, y, 255, 255, 255, surf);
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SDL_SaveBMP(surf, "background.bmp");
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SDL_FreeSurface(surf);
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}
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void XSDL_showServerLaunchErrorMessage()
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{
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showErrorMessage( "Error: X server failed to launch,\n"
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"because of stale Unix socket with non-existing path.\n\n"
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"Power off your device and power it on,\n"
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"and everything will work again.");
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}
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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()
|
|
{
|
|
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();
|
|
sFont = TTF_OpenFont("DroidSansMono.ttf", 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)
|
|
{
|
|
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)
|
|
{
|
|
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);
|
|
}
|