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#include <SDL.h>
#include <rfb/rfbclient.h>
struct { int sdl; int rfb; } buttonMapping[]={
{1, rfbButton1Mask},
{3, rfbButton2Mask},
{2, rfbButton3Mask},
{0,0}
};
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);
rfbClientSetClientData(client, SDL_Init, 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=rfbClientGetClientData(client, SDL_Init);
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_key2rfbKeySym(SDL_KeyboardEvent* e) {
rfbKeySym k = 0;
switch(e->keysym.sym) {
case SDLK_BACKSPACE: k = XK_BackSpace; break;
case SDLK_TAB: k = XK_ISO_Left_Tab; break;
case SDLK_CLEAR: k = XK_Clear; break;
case SDLK_RETURN: k = XK_Return; break;
case SDLK_PAUSE: k = XK_Pause; break;
case SDLK_ESCAPE: k = XK_Escape; break;
case SDLK_SPACE: k = XK_space; break;
case SDLK_DELETE: k = XK_Delete; break;
case SDLK_KP0: k = XK_KP_0; break;
case SDLK_KP1: k = XK_KP_1; break;
case SDLK_KP2: k = XK_KP_2; break;
case SDLK_KP3: k = XK_KP_3; break;
case SDLK_KP4: k = XK_KP_4; break;
case SDLK_KP5: k = XK_KP_5; break;
case SDLK_KP6: k = XK_KP_6; break;
case SDLK_KP7: k = XK_KP_7; break;
case SDLK_KP8: k = XK_KP_8; break;
case SDLK_KP9: k = XK_KP_9; break;
case SDLK_KP_PERIOD: k = XK_KP_Decimal; break;
case SDLK_KP_DIVIDE: k = XK_KP_Divide; break;
case SDLK_KP_MULTIPLY: k = XK_KP_Multiply; break;
case SDLK_KP_MINUS: k = XK_KP_Subtract; break;
case SDLK_KP_PLUS: k = XK_KP_Add; break;
case SDLK_KP_ENTER: k = XK_KP_Enter; break;
case SDLK_KP_EQUALS: k = XK_KP_Equal; break;
case SDLK_UP: k = XK_Up; break;
case SDLK_DOWN: k = XK_Down; break;
case SDLK_RIGHT: k = XK_Right; break;
case SDLK_LEFT: k = XK_Left; break;
case SDLK_INSERT: k = XK_Insert; break;
case SDLK_HOME: k = XK_Home; break;
case SDLK_END: k = XK_End; break;
case SDLK_PAGEUP: k = XK_Page_Up; break;
case SDLK_PAGEDOWN: k = XK_Page_Down; break;
case SDLK_F1: k = XK_F1; break;
case SDLK_F2: k = XK_F2; break;
case SDLK_F3: k = XK_F3; break;
case SDLK_F4: k = XK_F4; break;
case SDLK_F5: k = XK_F5; break;
case SDLK_F6: k = XK_F6; break;
case SDLK_F7: k = XK_F7; break;
case SDLK_F8: k = XK_F8; break;
case SDLK_F9: k = XK_F9; break;
case SDLK_F10: k = XK_F10; break;
case SDLK_F11: k = XK_F11; break;
case SDLK_F12: k = XK_F12; break;
case SDLK_F13: k = XK_F13; break;
case SDLK_F14: k = XK_F14; break;
case SDLK_F15: k = XK_F15; break;
case SDLK_NUMLOCK: k = XK_Num_Lock; break;
case SDLK_CAPSLOCK: k = XK_Caps_Lock; break;
case SDLK_SCROLLOCK: k = XK_Scroll_Lock; break;
case SDLK_RSHIFT: k = XK_Shift_R; break;
case SDLK_LSHIFT: k = XK_Shift_L; break;
case SDLK_RCTRL: k = XK_Control_R; break;
case SDLK_LCTRL: k = XK_Control_L; break;
case SDLK_RALT: k = XK_Alt_R; break;
case SDLK_LALT: k = XK_Alt_L; break;
case SDLK_RMETA: k = XK_Meta_R; break;
case SDLK_LMETA: k = XK_Meta_L; break;
#if 0
/* TODO: find out keysyms */
case SDLK_LSUPER: k = XK_LSuper; break; /* left "windows" key */
case SDLK_RSUPER: k = XK_RSuper; break; /* right "windows" key */
case SDLK_COMPOSE: k = XK_Compose; break;
#endif
case SDLK_MODE: k = XK_Mode_switch; break;
case SDLK_HELP: k = XK_Help; break;
case SDLK_PRINT: k = XK_Print; break;
case SDLK_SYSREQ: k = XK_Sys_Req; break;
case SDLK_BREAK: k = XK_Break; break;
default: break;
}
if (k == 0) {
if (e->keysym.unicode < 0x100)
k = e->keysym.unicode;
else
rfbClientLog("Unknown keysym: %d\n",e->keysym.sym);
}
return k;
}
static void update(rfbClient* cl,int x,int y,int w,int h) {
SDL_UpdateRect(rfbClientGetClientData(cl, SDL_Init), x, y, w, h);
}
static void kbd_leds(rfbClient* cl, int value, int pad) {
/* note: pad is for future expansion 0=unused */
fprintf(stderr,"Led State= 0x%02X\n", value);
fflush(stderr);
}
#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);
SDL_EnableUNICODE(1);
/* 16-bit: cl=rfbGetClient(5,3,2); */
cl=rfbGetClient(8,3,4);
cl->MallocFrameBuffer=resize;
cl->GotFrameBufferUpdate=update;
cl->HandleKeyboardLedState=kbd_leds;
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);
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_key2rfbKeySym(&e.key),(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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