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#include <SDL.h>
#include <rfb/rfbclient.h>
static rfbBool resize(rfbClient* client) {
static char first=TRUE;
#ifdef SDL_ASYNCBLIT
int flags=SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
#else
int flags=SDL_HWSURFACE|SDL_HWACCEL;
#endif
int width=client->width,height=client->height,
depth=client->format.bitsPerPixel;
rfbBool okay=SDL_VideoModeOK(width,height,depth,flags);
if(!okay)
for(depth=24;!okay && depth>4;depth/=2)
okay=SDL_VideoModeOK(width,height,depth,flags);
if(okay) {
SDL_Surface* sdl=SDL_SetVideoMode(width,height,depth,flags);
client->clientData=sdl;
client->frameBuffer=sdl->pixels;
if(first || depth!=client->format.bitsPerPixel) {
first=FALSE;
client->format.bitsPerPixel=depth;
client->format.redShift=sdl->format->Rshift;
client->format.greenShift=sdl->format->Gshift;
client->format.blueShift=sdl->format->Bshift;
client->format.redMax=sdl->format->Rmask>>client->format.redShift;
client->format.greenMax=sdl->format->Gmask>>client->format.greenShift;
client->format.blueMax=sdl->format->Bmask>>client->format.blueShift;
SetFormatAndEncodings(client);
}
} else {
SDL_Surface* sdl=client->clientData;
rfbClientLog("Could not set resolution %dx%d!\n",
client->width,client->height);
if(sdl) {
client->width=sdl->w;
client->height=sdl->h;
} else {
client->width=0;
client->height=0;
}
return FALSE;
}
SDL_WM_SetCaption(client->desktopName, "SDL");
return TRUE;
}
static rfbKeySym SDL_keysym2rfbKeySym(int keysym) {
switch(keysym) {
case SDLK_BACKSPACE: return XK_BackSpace;
case SDLK_TAB: return XK_ISO_Left_Tab;
case SDLK_CLEAR: return XK_Clear;
case SDLK_RETURN: return XK_Return;
case SDLK_PAUSE: return XK_Pause;
case SDLK_ESCAPE: return XK_Escape;
case SDLK_SPACE: return XK_space;
case SDLK_EXCLAIM: return XK_exclam;
case SDLK_QUOTEDBL: return XK_quotedbl;
case SDLK_HASH: return XK_numbersign;
case SDLK_DOLLAR: return XK_dollar;
case SDLK_AMPERSAND: return XK_ampersand;
case SDLK_QUOTE: return XK_apostrophe;
case SDLK_LEFTPAREN: return XK_parenleft;
case SDLK_RIGHTPAREN: return XK_parenright;
case SDLK_ASTERISK: return XK_asterisk;
case SDLK_PLUS: return XK_plus;
case SDLK_COMMA: return XK_comma;
case SDLK_MINUS: return XK_minus;
case SDLK_PERIOD: return XK_period;
case SDLK_SLASH: return XK_slash;
case SDLK_0: return XK_0;
case SDLK_1: return XK_1;
case SDLK_2: return XK_2;
case SDLK_3: return XK_3;
case SDLK_4: return XK_4;
case SDLK_5: return XK_5;
case SDLK_6: return XK_6;
case SDLK_7: return XK_7;
case SDLK_8: return XK_8;
case SDLK_9: return XK_9;
case SDLK_COLON: return XK_colon;
case SDLK_SEMICOLON: return XK_semicolon;
case SDLK_LESS: return XK_less;
case SDLK_EQUALS: return XK_equal;
case SDLK_GREATER: return XK_greater;
case SDLK_QUESTION: return XK_question;
case SDLK_AT: return XK_at;
case SDLK_LEFTBRACKET: return XK_bracketleft;
case SDLK_BACKSLASH: return XK_backslash;
case SDLK_RIGHTBRACKET: return XK_bracketright;
case SDLK_CARET: return XK_asciicircum;
case SDLK_UNDERSCORE: return XK_underscore;
case SDLK_BACKQUOTE: return XK_grave;
case SDLK_a: return XK_a;
case SDLK_b: return XK_b;
case SDLK_c: return XK_c;
case SDLK_d: return XK_d;
case SDLK_e: return XK_e;
case SDLK_f: return XK_f;
case SDLK_g: return XK_g;
case SDLK_h: return XK_h;
case SDLK_i: return XK_i;
case SDLK_j: return XK_j;
case SDLK_k: return XK_k;
case SDLK_l: return XK_l;
case SDLK_m: return XK_m;
case SDLK_n: return XK_n;
case SDLK_o: return XK_o;
case SDLK_p: return XK_p;
case SDLK_q: return XK_q;
case SDLK_r: return XK_r;
case SDLK_s: return XK_s;
case SDLK_t: return XK_t;
case SDLK_u: return XK_u;
case SDLK_v: return XK_v;
case SDLK_w: return XK_w;
case SDLK_x: return XK_x;
case SDLK_y: return XK_y;
case SDLK_z: return XK_z;
case SDLK_DELETE: return XK_Delete;
case SDLK_KP0: return XK_KP_0;
case SDLK_KP1: return XK_KP_1;
case SDLK_KP2: return XK_KP_2;
case SDLK_KP3: return XK_KP_3;
case SDLK_KP4: return XK_KP_4;
case SDLK_KP5: return XK_KP_5;
case SDLK_KP6: return XK_KP_6;
case SDLK_KP7: return XK_KP_7;
case SDLK_KP8: return XK_KP_8;
case SDLK_KP9: return XK_KP_9;
case SDLK_KP_PERIOD: return XK_KP_Decimal;
case SDLK_KP_DIVIDE: return XK_KP_Divide;
case SDLK_KP_MULTIPLY: return XK_KP_Multiply;
case SDLK_KP_MINUS: return XK_KP_Subtract;
case SDLK_KP_PLUS: return XK_KP_Add;
case SDLK_KP_ENTER: return XK_KP_Enter;
case SDLK_KP_EQUALS: return XK_KP_Equal;
case SDLK_UP: return XK_Up;
case SDLK_DOWN: return XK_Down;
case SDLK_RIGHT: return XK_Right;
case SDLK_LEFT: return XK_Left;
case SDLK_INSERT: return XK_Insert;
case SDLK_HOME: return XK_Home;
case SDLK_END: return XK_End;
case SDLK_PAGEUP: return XK_Page_Up;
case SDLK_PAGEDOWN: return XK_Page_Down;
case SDLK_F1: return XK_F1;
case SDLK_F2: return XK_F2;
case SDLK_F3: return XK_F3;
case SDLK_F4: return XK_F4;
case SDLK_F5: return XK_F5;
case SDLK_F6: return XK_F6;
case SDLK_F7: return XK_F7;
case SDLK_F8: return XK_F8;
case SDLK_F9: return XK_F9;
case SDLK_F10: return XK_F10;
case SDLK_F11: return XK_F11;
case SDLK_F12: return XK_F12;
case SDLK_F13: return XK_F13;
case SDLK_F14: return XK_F14;
case SDLK_F15: return XK_F15;
case SDLK_NUMLOCK: return XK_Num_Lock;
case SDLK_CAPSLOCK: return XK_Caps_Lock;
case SDLK_SCROLLOCK: return XK_Scroll_Lock;
case SDLK_RSHIFT: return XK_Shift_R;
case SDLK_LSHIFT: return XK_Shift_L;
case SDLK_RCTRL: return XK_Control_R;
case SDLK_LCTRL: return XK_Control_L;
case SDLK_RALT: return XK_Alt_R;
case SDLK_LALT: return XK_Alt_L;
case SDLK_RMETA: return XK_Meta_R;
case SDLK_LMETA: return XK_Meta_L;
#if 0
/* TODO: find out keysyms */
case SDLK_LSUPER: return XK_LSuper; /* left "windows" key */
case SDLK_RSUPER: return XK_RSuper; /* right "windows" key */
case SDLK_COMPOSE: return XK_Compose;
#endif
case SDLK_MODE: return XK_Mode_switch;
case SDLK_HELP: return XK_Help;
case SDLK_PRINT: return XK_Print;
case SDLK_SYSREQ: return XK_Sys_Req;
case SDLK_BREAK: return XK_Break;
default: rfbClientLog("Unknown keysym: %d\n",keysym);
}
return 0;
}
static void update(rfbClient* cl,int x,int y,int w,int h) {
SDL_UpdateRect(cl->clientData, x, y, w, h);
}
#ifdef __MINGW32__
#define LOG_TO_FILE
#endif
#ifdef LOG_TO_FILE
#include <stdarg.h>
static void
log_to_file(const char *format, ...)
{
FILE* logfile;
static char* logfile_str=0;
va_list args;
char buf[256];
time_t log_clock;
if(!rfbEnableClientLogging)
return;
if(logfile_str==0) {
logfile_str=getenv("VNCLOG");
if(logfile_str==0)
logfile_str="vnc.log";
}
logfile=fopen(logfile_str,"a");
va_start(args, format);
time(&log_clock);
strftime(buf, 255, "%d/%m/%Y %X ", localtime(&log_clock));
fprintf(logfile,buf);
vfprintf(logfile, format, args);
fflush(logfile);
va_end(args);
fclose(logfile);
}
#endif
#ifdef mac
#define main SDLmain
#endif
int main(int argc,char** argv) {
rfbClient* cl;
int i,buttonMask=0;
SDL_Event e;
#ifdef LOG_TO_FILE
rfbClientLog=rfbClientErr=log_to_file;
#endif
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
/* 16-bit: cl=rfbGetClient(5,3,2); */
cl=rfbGetClient(8,3,4);
cl->MallocFrameBuffer=resize;
cl->GotFrameBufferUpdate=update;
if(!rfbInitClient(cl,&argc,argv))
return 1;
while(1) {
if(SDL_PollEvent(&e))
switch(e.type) {
#if SDL_MAJOR_VERSION>1 || SDL_MINOR_VERSION>=2
case SDL_VIDEOEXPOSE:
SendFramebufferUpdateRequest(cl,0,0,cl->width,cl->height,FALSE);
break;
#endif
case SDL_MOUSEBUTTONUP: case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEMOTION: {
int x,y;
int state=SDL_GetMouseState(&x,&y);
struct { int sdl; int rfb; } buttonMapping[]={
{1, rfbButton1Mask},
{3, rfbButton2Mask},
{2, rfbButton3Mask},
{0,0}
};
int i;
for(buttonMask=0,i=0;buttonMapping[i].sdl;i++)
if(state&SDL_BUTTON(buttonMapping[i].sdl))
buttonMask|=buttonMapping[i].rfb;
SendPointerEvent(cl,x,y,buttonMask);
}
break;
case SDL_KEYUP: case SDL_KEYDOWN:
SendKeyEvent(cl,SDL_keysym2rfbKeySym(e.key.keysym.sym),(e.type==SDL_KEYDOWN)?TRUE:FALSE);
break;
case SDL_QUIT:
rfbClientCleanup(cl);
return 0;
case SDL_ACTIVEEVENT:
break;
default:
rfbClientLog("ignore SDL event: 0x%x\n",e.type);
}
else {
i=WaitForMessage(cl,500);
if(i<0)
return 0;
if(i)
if(!HandleRFBServerMessage(cl))
return 0;
}
}
return 0;
}
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