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303 lines
8.2 KiB
303 lines
8.2 KiB
#include <SDL.h>
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#include <rfb/rfbclient.h>
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struct { int sdl; int rfb; } buttonMapping[]={
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{1, rfbButton1Mask},
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{2, rfbButton2Mask},
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{3, rfbButton3Mask},
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{0,0}
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};
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static rfbBool resize(rfbClient* client) {
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static char first=TRUE;
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#ifdef SDL_ASYNCBLIT
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int flags=SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
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#else
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int flags=SDL_HWSURFACE|SDL_HWACCEL;
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#endif
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int width=client->width,height=client->height,
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depth=client->format.bitsPerPixel;
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client->updateRect.x = client->updateRect.y = 0;
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client->updateRect.w = width; client->updateRect.h = height;
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rfbBool okay=SDL_VideoModeOK(width,height,depth,flags);
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if(!okay)
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for(depth=24;!okay && depth>4;depth/=2)
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okay=SDL_VideoModeOK(width,height,depth,flags);
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if(okay) {
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SDL_Surface* sdl=SDL_SetVideoMode(width,height,depth,flags);
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rfbClientSetClientData(client, SDL_Init, sdl);
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client->width = sdl->pitch / (depth / 8);
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client->frameBuffer=sdl->pixels;
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if(first || depth!=client->format.bitsPerPixel) {
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first=FALSE;
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client->format.bitsPerPixel=depth;
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client->format.redShift=sdl->format->Rshift;
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client->format.greenShift=sdl->format->Gshift;
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client->format.blueShift=sdl->format->Bshift;
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client->format.redMax=sdl->format->Rmask>>client->format.redShift;
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client->format.greenMax=sdl->format->Gmask>>client->format.greenShift;
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client->format.blueMax=sdl->format->Bmask>>client->format.blueShift;
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SetFormatAndEncodings(client);
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}
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} else {
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SDL_Surface* sdl=rfbClientGetClientData(client, SDL_Init);
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rfbClientLog("Could not set resolution %dx%d!\n",
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client->width,client->height);
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if(sdl) {
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client->width=sdl->pitch / (depth / 8);
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client->height=sdl->h;
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} else {
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client->width=0;
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client->height=0;
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}
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return FALSE;
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}
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SDL_WM_SetCaption(client->desktopName, "SDL");
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return TRUE;
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}
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static rfbKeySym SDL_key2rfbKeySym(SDL_KeyboardEvent* e) {
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rfbKeySym k = 0;
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switch(e->keysym.sym) {
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case SDLK_BACKSPACE: k = XK_BackSpace; break;
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case SDLK_TAB: k = XK_Tab; break;
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case SDLK_CLEAR: k = XK_Clear; break;
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case SDLK_RETURN: k = XK_Return; break;
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case SDLK_PAUSE: k = XK_Pause; break;
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case SDLK_ESCAPE: k = XK_Escape; break;
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case SDLK_SPACE: k = XK_space; break;
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case SDLK_DELETE: k = XK_Delete; break;
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case SDLK_KP0: k = XK_KP_0; break;
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case SDLK_KP1: k = XK_KP_1; break;
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case SDLK_KP2: k = XK_KP_2; break;
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case SDLK_KP3: k = XK_KP_3; break;
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case SDLK_KP4: k = XK_KP_4; break;
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case SDLK_KP5: k = XK_KP_5; break;
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case SDLK_KP6: k = XK_KP_6; break;
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case SDLK_KP7: k = XK_KP_7; break;
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case SDLK_KP8: k = XK_KP_8; break;
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case SDLK_KP9: k = XK_KP_9; break;
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case SDLK_KP_PERIOD: k = XK_KP_Decimal; break;
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case SDLK_KP_DIVIDE: k = XK_KP_Divide; break;
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case SDLK_KP_MULTIPLY: k = XK_KP_Multiply; break;
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case SDLK_KP_MINUS: k = XK_KP_Subtract; break;
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case SDLK_KP_PLUS: k = XK_KP_Add; break;
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case SDLK_KP_ENTER: k = XK_KP_Enter; break;
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case SDLK_KP_EQUALS: k = XK_KP_Equal; break;
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case SDLK_UP: k = XK_Up; break;
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case SDLK_DOWN: k = XK_Down; break;
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case SDLK_RIGHT: k = XK_Right; break;
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case SDLK_LEFT: k = XK_Left; break;
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case SDLK_INSERT: k = XK_Insert; break;
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case SDLK_HOME: k = XK_Home; break;
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case SDLK_END: k = XK_End; break;
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case SDLK_PAGEUP: k = XK_Page_Up; break;
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case SDLK_PAGEDOWN: k = XK_Page_Down; break;
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case SDLK_F1: k = XK_F1; break;
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case SDLK_F2: k = XK_F2; break;
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case SDLK_F3: k = XK_F3; break;
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case SDLK_F4: k = XK_F4; break;
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case SDLK_F5: k = XK_F5; break;
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case SDLK_F6: k = XK_F6; break;
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case SDLK_F7: k = XK_F7; break;
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case SDLK_F8: k = XK_F8; break;
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case SDLK_F9: k = XK_F9; break;
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case SDLK_F10: k = XK_F10; break;
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case SDLK_F11: k = XK_F11; break;
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case SDLK_F12: k = XK_F12; break;
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case SDLK_F13: k = XK_F13; break;
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case SDLK_F14: k = XK_F14; break;
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case SDLK_F15: k = XK_F15; break;
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case SDLK_NUMLOCK: k = XK_Num_Lock; break;
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case SDLK_CAPSLOCK: k = XK_Caps_Lock; break;
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case SDLK_SCROLLOCK: k = XK_Scroll_Lock; break;
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case SDLK_RSHIFT: k = XK_Shift_R; break;
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case SDLK_LSHIFT: k = XK_Shift_L; break;
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case SDLK_RCTRL: k = XK_Control_R; break;
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case SDLK_LCTRL: k = XK_Control_L; break;
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case SDLK_RALT: k = XK_Alt_R; break;
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case SDLK_LALT: k = XK_Alt_L; break;
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case SDLK_RMETA: k = XK_Meta_R; break;
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case SDLK_LMETA: k = XK_Meta_L; break;
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#if 0
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/* TODO: find out keysyms */
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case SDLK_LSUPER: k = XK_LSuper; break; /* left "windows" key */
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case SDLK_RSUPER: k = XK_RSuper; break; /* right "windows" key */
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case SDLK_COMPOSE: k = XK_Compose; break;
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#endif
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case SDLK_MODE: k = XK_Mode_switch; break;
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case SDLK_HELP: k = XK_Help; break;
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case SDLK_PRINT: k = XK_Print; break;
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case SDLK_SYSREQ: k = XK_Sys_Req; break;
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case SDLK_BREAK: k = XK_Break; break;
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default: break;
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}
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if (k == 0 && e->keysym.sym >= SDLK_a && e->keysym.sym <= SDLK_z) {
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k = XK_a + e->keysym.sym - SDLK_a;
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if (e->keysym.mod & (KMOD_LSHIFT | KMOD_RSHIFT))
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k &= ~0x20;
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}
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if (k == 0) {
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if (e->keysym.unicode < 0x100)
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k = e->keysym.unicode;
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else
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rfbClientLog("Unknown keysym: %d\n",e->keysym.sym);
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}
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return k;
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}
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static void update(rfbClient* cl,int x,int y,int w,int h) {
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SDL_UpdateRect(rfbClientGetClientData(cl, SDL_Init), x, y, w, h);
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}
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static void kbd_leds(rfbClient* cl, int value, int pad) {
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/* note: pad is for future expansion 0=unused */
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fprintf(stderr,"Led State= 0x%02X\n", value);
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fflush(stderr);
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}
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/* trivial support for textchat */
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static void text_chat(rfbClient* cl, int value, char *text) {
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switch(value) {
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case rfbTextChatOpen:
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fprintf(stderr,"TextChat: We should open a textchat window!\n");
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TextChatOpen(cl);
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break;
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case rfbTextChatClose:
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fprintf(stderr,"TextChat: We should close our window!\n");
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break;
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case rfbTextChatFinished:
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fprintf(stderr,"TextChat: We should close our window!\n");
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break;
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default:
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fprintf(stderr,"TextChat: Received \"%s\"\n", text);
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break;
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}
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fflush(stderr);
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}
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#ifdef __MINGW32__
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#define LOG_TO_FILE
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#endif
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#ifdef LOG_TO_FILE
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#include <stdarg.h>
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static void
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log_to_file(const char *format, ...)
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{
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FILE* logfile;
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static char* logfile_str=0;
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va_list args;
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char buf[256];
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time_t log_clock;
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if(!rfbEnableClientLogging)
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return;
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if(logfile_str==0) {
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logfile_str=getenv("VNCLOG");
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if(logfile_str==0)
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logfile_str="vnc.log";
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}
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logfile=fopen(logfile_str,"a");
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va_start(args, format);
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time(&log_clock);
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strftime(buf, 255, "%d/%m/%Y %X ", localtime(&log_clock));
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fprintf(logfile,buf);
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vfprintf(logfile, format, args);
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fflush(logfile);
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va_end(args);
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fclose(logfile);
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}
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#endif
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#ifdef mac
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#define main SDLmain
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#endif
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int main(int argc,char** argv) {
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rfbClient* cl;
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int i, j, buttonMask = 0, viewOnly = 0;
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SDL_Event e;
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#ifdef LOG_TO_FILE
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rfbClientLog=rfbClientErr=log_to_file;
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#endif
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for (i = 1, j = 1; i < argc; i++)
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if (!strcmp(argv[1], "-viewonly"))
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viewOnly = 1;
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else {
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if (i != j)
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argv[j] = argv[i];
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j++;
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}
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argc = j;
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SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
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SDL_EnableUNICODE(1);
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/* 16-bit: cl=rfbGetClient(5,3,2); */
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cl=rfbGetClient(8,3,4);
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cl->MallocFrameBuffer=resize;
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cl->canHandleNewFBSize = TRUE;
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cl->GotFrameBufferUpdate=update;
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cl->HandleKeyboardLedState=kbd_leds;
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cl->HandleTextChat=text_chat;
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if(!rfbInitClient(cl,&argc,argv))
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return 1;
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while(1) {
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if(SDL_PollEvent(&e))
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switch(e.type) {
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#if SDL_MAJOR_VERSION>1 || SDL_MINOR_VERSION>=2
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case SDL_VIDEOEXPOSE:
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SendFramebufferUpdateRequest(cl,0,0,cl->width,cl->height,FALSE);
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break;
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#endif
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case SDL_MOUSEBUTTONUP: case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEMOTION: {
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int x,y;
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if (viewOnly)
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break;
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int state=SDL_GetMouseState(&x,&y);
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int i;
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for(buttonMask=0,i=0;buttonMapping[i].sdl;i++)
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if(state&SDL_BUTTON(buttonMapping[i].sdl))
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buttonMask|=buttonMapping[i].rfb;
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SendPointerEvent(cl,x,y,buttonMask);
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}
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break;
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case SDL_KEYUP: case SDL_KEYDOWN:
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if (viewOnly)
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break;
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SendKeyEvent(cl,SDL_key2rfbKeySym(&e.key),(e.type==SDL_KEYDOWN)?TRUE:FALSE);
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break;
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case SDL_QUIT:
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rfbClientCleanup(cl);
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return 0;
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case SDL_ACTIVEEVENT:
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break;
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default:
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rfbClientLog("ignore SDL event: 0x%x\n",e.type);
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}
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else {
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i=WaitForMessage(cl,500);
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if(i<0)
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return 0;
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if(i)
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if(!HandleRFBServerMessage(cl))
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return 0;
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}
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}
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return 0;
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}
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