X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.main.git;a=blobdiff_plain;f=pctb%2Fpages.c;h=72f9bb478a982f5b0206af12c2cc0b6209c6df83;hp=3eb33ce1cb402e01a630e0c29d8235edd7025628;hb=refs%2Ftags%2F1.9.4;hpb=2f6ec1e7e5b3649a58ae20211eb18511550246ae diff --git a/pctb/pages.c b/pctb/pages.c index 3eb33ce..72f9bb4 100644 --- a/pctb/pages.c +++ b/pctb/pages.c @@ -1,340 +1,760 @@ /* - */ + * Interaction with the YPP client via X11 + */ +/* + * This is part of ypp-sc-tools, a set of third-party tools for assisting + * players of Yohoho Puzzle Pirates. + * + * Copyright (C) 2009 Ian Jackson + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and + * are used without permission. This program is not endorsed or + * sponsored by Three Rings. + */ + +/* + * Only this file #includes the X11 headers, as they're quite + * pollutant of the namespace. + */ -#include "ocr.h" +#include "structure.h" #include #include #include #include -#include +#include +#include +#include CanonImage *page_images[MAX_PAGES]; int npages; +const char *ocean, *pirate; + +static XWindowAttributes attr; static Window id; static Display *disp; static struct timeval tv_startup; static unsigned wwidth, wheight; +static int max_relevant_y= -1; +static Point commod_focus_point, commod_page_point, commod_focuslast_point; -static XpmAttributes xpma; - -static KeyCode keycode(KeySym sym) { - return XKeysymToKeycode(disp,sym); -} - -#if 0 -static void check_exitstatus(int st) { - eassert(WIFEXITED(st)); - eassert(!WEXITSTATUS(st)); -} +static XImage *shmim; +static XShmSegmentInfo shminfo; -static void check_pclose(FILE *f, char *cmd) { - int r; - eassert(!ferror(f)); - r= fgetc(f); eassert(r==EOF); eassert(feof(f)); - r= pclose(f); eassert(r>=0); check_exitstatus(r); - free(cmd); -} +DEBUG_DEFINE_DEBUGF(pages) -static CanonImage *screenshot_now(void) { - char *cmd; - CanonImage *ci; - int r; - - r= asprintf(&cmd, "xwd -silent -id 0x%lx | xwdtopnm", (unsigned long)id); - eassert(r>=0); - FILE *f= popen(cmd,"r"); eassert(f); - ci= file_read_image(f); - check_pclose(f, cmd); - return ci; -} -#endif +#define xassert(what) \ + ((what) ? (void)0 : \ + fatal("X11 operation unexpectedly failed." \ + " %s:%d: %s\n", __FILE__,__LINE__,#what)) -static void screenshot_startup(void) { - int r; - disp= XOpenDisplay(0); eassert(disp); - r= gettimeofday(&tv_startup,0); eassert(!r); +static KeyCode keycode(KeySym sym) { + return XKeysymToKeycode(disp,sym); } -#if 0 -static CanonImage *single_page(void) { - int r; - r= XRaiseWindow(disp, id); eassert(r); - r= XSync(disp, False); eassert(r); - return screenshot_now(); +void screenshot_startup(void) { + progress("starting..."); + disp= XOpenDisplay(0); + if (!disp) fatal("Unable to open X11 display."); + sysassert(! gettimeofday(&tv_startup,0) ); } -#endif /*---------- pager ----------*/ -typedef XImage Snapshot; +typedef RgbImage Snapshot; -//static size_t snapshot_alloc= 1024; static double last_input; -static const double min_update_allowance= 0.5; +static const double min_update_allowance= 0.25; static double timestamp(void) { struct timeval tv; - int r; - r= gettimeofday(&tv,0); eassert(!r); + sysassert(! gettimeofday(&tv,0) ); double t= (tv.tv_sec - tv_startup.tv_sec) + (tv.tv_usec - tv_startup.tv_usec) * 1e-6; - fprintf(stderr,"%f\n",t); + debugf("PAGING %f\n",t); return t; } static void delay(double need_sleep) { - int r; - fprintf(stderr,"PAGING delay %f\n",need_sleep); - r= usleep(need_sleep * 1e6); eassert(!r); + debugf("PAGING delay %f\n",need_sleep); + sysassert(! usleep(need_sleep * 1e6) ); } static void sync_after_input(void) { - int r; - r= XSync(disp, False); eassert(r); + xassert( XSync(disp, False) ); last_input= timestamp(); } +static void translate_coords_toroot(int wx, int wy, int *rx, int *ry) { + Window dummy; + xassert( XTranslateCoordinates(disp, id,attr.root, wx,wy, rx,ry, &dummy) ); +} +static void translate_coords_toroot_p(Point w, int *rx, int *ry) { + translate_coords_toroot(w.x, w.y, rx, ry); +} + +static void check_client_window_all_on_screen(void) { + Rect onroot; + unsigned rwidth, rheight; + Window dummy; + unsigned bd, depth; + int rxpos, rypos; + + xassert( XGetGeometry(disp,attr.root, &dummy, &rxpos,&rypos, + &rwidth, &rheight, + &bd,&depth) ); + + translate_coords_toroot(0,0, &onroot.tl.x,&onroot.tl.y); + translate_coords_toroot(wwidth-1,wheight-1, &onroot.br.x,&onroot.br.y); + if (!(onroot.tl.x >= 0 && + onroot.tl.y >= 0 && + onroot.br.x < rwidth && + onroot.br.y < rheight)) + fatal("YPP client window is not entirely on the screen."); +} + +static void check_not_disturbed(void) { + XEvent ev; + int r; + + for (;;) { + r= XCheckMaskEvent(disp, ~0, &ev); + if (r==False) return; + + switch (ev.type) { + case VisibilityNotify: + if (ev.xvisibility.state != VisibilityUnobscured) + fatal("YPP client window has become obscured."); + break; + case ConfigureNotify: + check_client_window_all_on_screen(); + break; + case FocusOut: + fatal("Focus left YPP client window."); + break; + case FocusIn: + warning("focus entered YPP client window ?!"); + break; + default: + fatal("Received unexpected X11 event (type code %d)!", ev.type); + } + } +} + static void send_key(KeySym sym) { + check_not_disturbed(); XTestFakeKeyEvent(disp, keycode(sym),1, 10); XTestFakeKeyEvent(disp, keycode(sym),0, 10); } +static void mouse_1_updown_here(void) { + check_not_disturbed(); + XTestFakeButtonEvent(disp,1,1, 10); + XTestFakeButtonEvent(disp,1,0, 10); +} +static void mouse_1_updown(int x, int y) { + check_not_disturbed(); + int screen= XScreenNumberOfScreen(attr.screen); + int xpos, ypos; + translate_coords_toroot(x,y, &xpos,&ypos); + XTestFakeMotionEvent(disp, screen, xpos,ypos, 0); + mouse_1_updown_here(); +} +static void pgdown_by_mouse(void) { + check_not_disturbed(); + debugf("PAGING Mouse\n"); + mouse_1_updown_here(); + sync_after_input(); +} + +static int pgupdown; static void send_pgup_many(void) { int i; - for (i=0; i<25; i++) + for (i=0; i<25; i++) { send_key(XK_Prior); - fprintf(stderr,"PAGING PageUp x %d\n",i); + pgupdown--; + } + debugf("PAGING PageUp x %d\n",i); sync_after_input(); } -static void send_pgdown(void) { - send_key(XK_Next); - fprintf(stderr,"PAGING PageDown\n"); +static void send_pgdown_torestore(void) { + debugf("PAGING PageDown x %d\n", -pgupdown); + while (pgupdown < 0) { + send_key(XK_Next); + pgupdown++; + } sync_after_input(); } static void free_snapshot(Snapshot **io) { - if (*io) XDestroyImage(*io); + free(*io); *io= 0; } -static void snapshot(Snapshot **output) { -// char *cmd; -// int r; -// XImage *xim; +#define SAMPLEMASK 0xfful + +typedef struct { + int lshift, rshift; +} ShMask; + +static void compute_shift_mask(ShMask *sm, unsigned long ximage_mask) { + sm->lshift= 0; + sm->rshift= 0; - free_snapshot(output); + for (;;) { + if (ximage_mask <= (SAMPLEMASK>>1)) { + sm->lshift++; ximage_mask <<= 1; + } else if (ximage_mask > SAMPLEMASK) { + sm->rshift++; ximage_mask >>= 1; + } else { + break; + } + assert(!(sm->lshift && sm->rshift)); + } + assert(sm->lshift < LONG_BIT); + assert(sm->rshift < LONG_BIT); + debugf("SHIFTMASK %p={.lshift=%d, .rshift=%d} image_mask=%lx\n", + sm, sm->lshift, sm->rshift, ximage_mask); +} - fprintf(stderr,"PAGING snapshot\n"); +static void rtimestamp(double *t, const char *wh) { + double n= timestamp(); + debugf("PAGING INTERVAL %f %s\n", n-*t, wh); + *t= n; +} + +static void snapshot(Snapshot **output) { + XImage *im_use, *im_free=0; + + ShMask shiftmasks[3]; + + debugf("PAGING snapshot\n"); + + double begin= timestamp(); + if (shmim) { + rtimestamp(&begin, "XShmGetImage before"); + xassert( XShmGetImage(disp,id,shmim, 0,0, AllPlanes) ); + rtimestamp(&begin, "XShmGetImage"); + + size_t dsz= shmim->bytes_per_line * shmim->height; + im_use= im_free= mmalloc(sizeof(*im_use) + dsz); + *im_free= *shmim; + im_free->data= (void*)(im_free+1); + memcpy(im_free->data, shmim->data, dsz); + rtimestamp(&begin, "mmalloc/memcpy"); + } else { + rtimestamp(&begin, "XGetImage before"); + xassert( im_use= im_free= + XGetImage(disp,id, 0,0, wwidth,wheight, AllPlanes, ZPixmap) ); + rtimestamp(&begin, "XGetImage"); + } + +#define COMPUTE_SHIFT_MASK(ix, rgb) \ + compute_shift_mask(&shiftmasks[ix], im_use->rgb##_mask) + COMPUTE_SHIFT_MASK(0, red); + COMPUTE_SHIFT_MASK(1, green); + COMPUTE_SHIFT_MASK(2, blue); + + if (!*output) + *output= alloc_rgb_image(wwidth, wheight); + + rtimestamp(&begin, "compute_shift_masks+alloc_rgb_image"); + + int x,y,i; + unsigned char *op= (*output)->data; + for (y=0; yxoffset == 0 && + im_use->format == ZPixmap && + im_use->byte_order == LSBFirst && + im_use->depth == 24 && + im_use->bits_per_pixel == 32 && + im_use->red_mask == 0x0000ffU && + im_use->green_mask == 0x00ff00U && + im_use->blue_mask == 0xff0000U) { + const char *p= im_use->data + y * im_use->bytes_per_line; +// debugf("optimised copy y=%d",y); + for (x=0; x> shiftmasks[i].rshift) + & SAMPLEMASK; + *op++= sample; + } + } + } + } - timestamp(); - *output= XGetImage(disp,id, 0,0, wwidth,wheight, AllPlanes, ZPixmap); - timestamp(); + rtimestamp(&begin,"w*h*XGetPixel"); + if (im_free) + XDestroyImage(im_free); - fprintf(stderr,"PAGING snapshot done.\n"); + rtimestamp(&begin,"XDestroyImage"); + check_not_disturbed(); + + debugf("PAGING snapshot done.\n"); } static int identical(const Snapshot *a, const Snapshot *b) { - if (!(a->width == b->width && - a->height == b->height && - a->bytes_per_line == b->bytes_per_line && - a->format == b->format)) + if (!(a->w == b->w && + a->h == b->h)) return 0; - return !memcmp(a->data, b->data, a->bytes_per_line * a->height); + + int compare_to= a->h; + if (max_relevant_y>=0 && compare_to > max_relevant_y) + compare_to= max_relevant_y; + + return !memcmp(a->data, b->data, a->w * 3 * compare_to); } static void wait_for_stability(Snapshot **output, const Snapshot *previously, - void (*with_keypress)(void)) { + void (*with_keypress)(void), + const char *fmt, ...) + FMT(4,5); + +static void wait_for_stability(Snapshot **output, + const Snapshot *previously, + void (*with_keypress)(void), + const char *fmt, ...) { + va_list al; + va_start(al,fmt); + Snapshot *last=0; + int nidentical=0; /* waits longer if we're going to return an image identical to previously * if previously==0, all images are considered identical to it */ - fprintf(stderr,"PAGING wait_for_stability" - " last_input=%f previously=%p\n", - last_input, previously); + char *doing; + sysassert( vasprintf(&doing,fmt,al) >=0 ); + debugf("PAGING wait_for_stability" + " last_input=%f previously=%p `%s'\n", + last_input, previously, doing); + + double min_interval= 25000; /*us*/ for (;;) { - double at_snapshot= timestamp(); - double need_sleep= min_update_allowance - (at_snapshot - last_input); - if (need_sleep > 0) { delay(need_sleep); continue; } + progress_spinner("%s",doing); + + double since_last_input= timestamp() - last_input; + double this_interval= min_interval - since_last_input; - snapshot(output); + if (this_interval >= 0) + usleep(this_interval); - if (!with_keypress && - !(previously && identical(*output,previously))) { - fprintf(stderr,"PAGING wait_for_stability simple\n"); - break; - } + snapshot(output); - if (last && identical(*output,last)) { - fprintf(stderr,"PAGING wait_for_stability stabilised\n"); - break; + if (!last) { + debugf("PAGING wait_for_stability first...\n"); + last=*output; *output=0; + } else if (!identical(*output,last)) { + debugf("PAGING wait_for_stability changed...\n"); + free_snapshot(&last); last=*output; *output=0; + nidentical=0; + if (!with_keypress) { + min_interval *= 3.0; + min_interval += 0.5; + } + } else { + nidentical++; + int threshold= + !previously ? 3 : + identical(*output,previously) ? 5 + : 1; + debugf("PAGING wait_for_stability nidentical=%d threshold=%d\n", + nidentical, threshold); + if (nidentical >= threshold) + break; + + min_interval += 0.5; + min_interval *= 2.0; } - - fprintf(stderr,"PAGING wait_for_stability retry\n"); - - free_snapshot(&last); last=*output; *output=0; if (with_keypress) with_keypress(); - - delay(0.5); } free_snapshot(&last); - fprintf(stderr,"PAGING wait_for_stability done.\n"); + free(doing); + debugf("PAGING wait_for_stability done.\n"); + va_end(al); } -static void raise_and_set_focus(void) { - int r; - XWindowAttributes attr; - int xpos,ypos, evbase,errbase,majver,minver; +static void raise_and_get_details(void) { + int evbase,errbase,majver,minver; + int wxpos, wypos; unsigned bd,depth; - Window dummy; + + progress("raising and checking YPP client window..."); + + debugf("PAGING raise_and_get_details\n"); + + int xtest= XTestQueryExtension(disp, &evbase,&errbase,&majver,&minver); + if (!xtest) fatal("X server does not support the XTEST extension."); + + xassert( XRaiseWindow(disp, id) ); + /* in case VisibilityNotify triggers right away before we have had a + * change to raise; to avoid falsely detecting lowering in that case */ - fprintf(stderr,"PAGING raise_and_set_focus\n"); + xassert( XSelectInput(disp, id, + StructureNotifyMask| + VisibilityChangeMask + ) ); + + xassert( XRaiseWindow(disp, id) ); + /* in case the window was lowered between our Raise and our SelectInput; + * to avoid failing to detect that lowering */ + + xassert( XGetWindowAttributes(disp, id, &attr) ); + xassert( XGetGeometry(disp,id, &attr.root, + &wxpos,&wypos, &wwidth,&wheight, + &bd,&depth) ); + + if (!(wwidth >= 320 && wheight >= 320)) + fatal("YPP client window is implausibly small?"); + + if (attr.depth < 24) + fatal("Display is not 24bpp."); + + check_client_window_all_on_screen(); + + Bool shmpixmaps=0; + int major=0,minor=0; + int shm= XShmQueryVersion(disp, &major,&minor,&shmpixmaps); + debugf("PAGING shm=%d %d.%d pixmaps=%d\n",shm,major,minor,shmpixmaps); + if (shm) { + xassert( shmim= XShmCreateImage(disp, attr.visual, attr.depth, ZPixmap, + 0,&shminfo, wwidth,wheight) ); + + sigset_t oldset, all; + sigfillset(&all); + sysassert(! sigprocmask(SIG_BLOCK,&all,&oldset) ); + + int pfd[2]; + pid_t cleaner; + sysassert(! pipe(pfd) ); + sysassert( (cleaner= fork()) != -1 ); + if (!cleaner) { + sysassert(! close(pfd[1]) ); + for (;;) { + int r= read(pfd[0], &shminfo.shmid, sizeof(shminfo.shmid)); + if (!r) exit(0); + if (r==sizeof(shminfo.shmid)) break; + assert(r==-1 && errno==EINTR); + } + for (;;) { + char bc; + int r= read(pfd[0],&bc,1); + if (r>=0) break; + assert(r==-1 && errno==EINTR); + } + sysassert(! shmctl(shminfo.shmid,IPC_RMID,0) ); + exit(0); + } + sysassert(! close(pfd[0]) ); - r= XTestQueryExtension(disp, &evbase,&errbase,&majver,&minver); - eassert(r==True); + sysassert(! sigprocmask(SIG_SETMASK,&oldset,0) ); - r= XRaiseWindow(disp, id); eassert(r); + assert(shmim->height == wheight); + sysassert( (shminfo.shmid= + shmget(IPC_PRIVATE, shmim->bytes_per_line * wheight, + IPC_CREAT|0600)) >= 0 ); - r= XGetWindowAttributes(disp, id, &attr); eassert(r); - r= XGetGeometry(disp,id, &attr.root, - &xpos,&ypos, &wwidth,&wheight, - &bd,&depth); - eassert(r); + sysassert( write(pfd[1],&shminfo.shmid,sizeof(shminfo.shmid)) == + sizeof(shminfo.shmid) ); + sysassert( shminfo.shmaddr= shmat(shminfo.shmid,0,0) ); + shmim->data= shminfo.shmaddr; + shminfo.readOnly= False; + xassert( XShmAttach(disp,&shminfo) ); - r= XTranslateCoordinates(disp, id,attr.root, 160,160, &xpos,&ypos, - &dummy); - eassert(r); + close(pfd[1]); /* causes IPC_RMID */ + } +} +static void set_focus_commodity(void) { int screen= XScreenNumberOfScreen(attr.screen); - XTestFakeMotionEvent(disp,screen, xpos, ypos, 0); - XTestFakeButtonEvent(disp,1,1, 50); - XTestFakeButtonEvent(disp,1,0, 50); + progress("taking control of YPP client window..."); + debugf("PAGING set_focus\n"); + + mouse_1_updown(commod_focus_point.x, commod_focus_point.y); sync_after_input(); - fprintf(stderr,"PAGING raise_and_set_focus done.\n"); -} -static void store_page(int pageno, Snapshot *sn) { - pid_t converter, paster; - eassert(pageno < MAX_PAGES); - int paste[2], results[2]; - FILE *err; - int r; + delay(0.5); + xassert( XSelectInput(disp, id, + StructureNotifyMask| + VisibilityChangeMask| + FocusChangeMask + ) ); - eassert(!fflush(stdout)); - eassert(!fflush(stderr)); - - r= pipe(paste); eassert(!r); - r= pipe(results); eassert(!r); - err= tmpfile(); eassert(err); - - converter= fork(); eassert(converter!=-1); - if (!converter) { - r= dup2(paste[0],0); eassert(r==0); - r= dup2(results[1],1); eassert(r==1); - r= dup2(2,4); eassert(r==4); /* fileno(errn) > 4, see above */ - r= dup2(fileno(err),2); eassert(r==2); - close(paste[0]); - close(paste[1]); - close(results[0]); - close(results[1]); - execlp("xpmtoppm", "xpmtoppm",(char*)0); - dup2(4,2); - eassert(!"xpmtoppm exec failure"); - } + int xpos,ypos; + translate_coords_toroot_p(commod_page_point, &xpos,&ypos); + XTestFakeMotionEvent(disp, screen, xpos,ypos, 0); - char *xpmdata=0; - r= XpmCreateBufferFromImage(disp, &xpmdata, sn, 0, &xpma); - eassert(!r); - eassert(xpmdata); - - paster= fork(); eassert(paster!=-1); - if (!paster) { - FILE *f= fdopen(paste[1],"w"); eassert(f); - close(paste[0]); - close(results[0]); - close(results[1]); - r= fputs(xpmdata,f); eassert(r!=EOF); - //size_t did= fwrite(sn->d, 1, sn->len, f); - //eassert(did==sn->len); - eassert(!fclose(f)); - exit(0); - } + sync_after_input(); - close(paste[0]); - close(paste[1]); - close(results[1]); + debugf("PAGING raise_and_set_focus done.\n"); +} - XpmFree(xpmdata); - - FILE *f= fdopen(results[0],"r"); - int c1= fgetc(f); - if (c1!=EOF) { - ungetc(c1,f); - page_images[pageno]= file_read_image(f); - r= fgetc(f); eassert(r==EOF); eassert(!ferror(f)); eassert(feof(f)); - fclose(f); - } +static CanonImage *convert_page(const Snapshot *sn) { + CanonImage *im; - pid_t got_conv,got_paste; - int st_conv, st_paste; + fwrite_ppmraw(screenshot_file, sn); - got_conv= waitpid(converter,&st_conv,0); eassert(got_conv==converter); - got_paste= waitpid(paster,&st_paste,0); eassert(got_paste==paster); + const unsigned char *pixel= sn->data; + CANONICALISE_IMAGE(im, sn->w, sn->h, { + r= *pixel++; + g= *pixel++; + b= *pixel++; + }); + + sysassert(!ferror(screenshot_file)); + sysassert(!fflush(screenshot_file)); - if (!st_conv && - (!st_paste || (WIFSIGNALED(st_paste) && WTERMSIG(st_paste)==SIGPIPE)) - && c1!=EOF) { - fclose(err); - return; - } - rewind(err); int c; while ((c=getc(err))!=EOF) fputc(c,stderr); - fprintf(stderr, "convert: subprocess statuses: %d %d\n", st_conv, st_paste); - _exit(127); + return im; } -static void read_pages(void) { - Snapshot *current=0, *last=0; +static void prepare_ypp_client(void) { + CanonImage *test; + Snapshot *current=0; + + /* find the window and check it's on the right kind of screen */ + raise_and_get_details(); + wait_for_stability(¤t,0,0, "checking current YPP client screen..."); + + test= convert_page(current); + find_structure(test, &max_relevant_y, + &commod_focus_point, + &commod_page_point, + &commod_focuslast_point); + check_correct_commodities(); + Rect sunshine= find_sunshine_widget(); + + progress("poking client..."); + mouse_1_updown((sunshine.tl.x + sunshine.br.x) / 2, + (sunshine.tl.y*9 + sunshine.br.y) / 10); + + free(test); + + wait_for_stability(¤t,0,0, "checking basic YPP client screen..."); + mouse_1_updown(250, wheight-10); + mouse_1_updown_here(); + mouse_1_updown_here(); + XSync(disp,False); + check_not_disturbed(); + send_key(XK_slash); + send_key(XK_w); + send_key(XK_Return); + sync_after_input(); - raise_and_set_focus(); + Snapshot *status=0; + wait_for_stability(&status,current,0, "awaiting status information..."); + free_snapshot(¤t); + free_snapshot(&status); +} +void take_screenshots(void) { + Snapshot *current=0, *last=0; + + prepare_ypp_client(); + /* page to the top - keep pressing page up until the image stops changing */ - wait_for_stability(¤t,0, send_pgup_many); + set_focus_commodity(); + wait_for_stability(¤t,0, send_pgup_many, + "paging up to top of commodity list..."); /* now to actually page down */ for (;;) { - fprintf(stderr,"PAGING page %d\n",npages); - store_page(npages, current); + debugf("paging page %d\n",npages); + + if (!(npages < MAX_PAGES)) + fatal("Paging down seems to generate too many pages - max is %d.", + MAX_PAGES); + + page_images[npages]= convert_page(current); free_snapshot(&last); last=current; current=0; - fprintf(stderr,"PAGING page %d converted\n",npages); - wait_for_stability(¤t,last, 0); + debugf("PAGING page %d converted\n",npages); + + wait_for_stability(¤t,last, 0, + "collecting screenshot of page %d...", + npages+1); + if (npages && /* first pagedown doesn't do much */ identical(current,last)) { free_snapshot(¤t); break; } - send_pgdown(); + pgdown_by_mouse(); npages++; } - fprintf(stderr,"PAGING all done.\n"); + progress("finishing with the YPP client..."); + mouse_1_updown(commod_focuslast_point.x, commod_focuslast_point.y); + sync_after_input(); + send_pgdown_torestore(); + sync_after_input(); + + debugf("PAGING all done.\n"); + progress_log("collected %d screenshots.",npages); } -int main(int argc, char **argv) { - screenshot_startup(); +void take_one_screenshot(void) { + Snapshot *current=0; + + prepare_ypp_client(); + wait_for_stability(¤t,0,0, "taking screenshot..."); + page_images[0]= convert_page(current); + npages= 1; + progress_log("collected single screenshot."); +} + +void set_yppclient_window(unsigned long wul) { + id= wul; +} + +DEBUG_DEFINE_SOME_DEBUGF(findypp,debugfind) + +static int nfound; +static Atom wm_name; +static int screen; + +static void findypp_recurse(int depth, int targetdepth, Window w) { + unsigned int nchildren; + int i; + Window *children=0; + Window gotroot, gotparent; + + static const char prefix[]= "Puzzle Pirates - "; + static const char onthe[]= " on the "; + static const char suffix[]= " ocean"; +#define S(x) ((int)sizeof((x))-1) + + debugfind("FINDYPP %d/%d screen %d %*s %lx", + depth,targetdepth,screen, + depth,"",(unsigned long)w); + + if (depth!=targetdepth) { + xassert( XQueryTree(disp,w, + &gotroot,&gotparent, + &children,&nchildren) ); + debugfind(" nchildren=%d\n",nchildren); + + for (i=0; i=' ' && c<=126) fputc(c,debug); + else fprintf(debug,"\\x%02x",c & 0xff); + } + fputs("\": ",debug); + } + +#define REQUIRE(pred) \ + if (!(pred)) { debugfind(" failed test %s\n", #pred); return; } \ + else + + REQUIRE( gottype!=None ); + REQUIRE( len ); + REQUIRE( gotfmt==8 ); + + REQUIRE( len >= S(prefix) + 1 + S(onthe) + 1 + S(suffix) ); + + char *spc1= strchr( title + S(prefix), ' '); REQUIRE(spc1); + char *spc2= strrchr((title + len) - S(suffix), ' '); REQUIRE(spc2); + + REQUIRE( (title + len) - spc1 >= S(onthe) + S(suffix) ); + REQUIRE( spc2 - title >= S(prefix) + S(onthe) ); + + REQUIRE( !memcmp(title, prefix, S(prefix)) ); + REQUIRE( !memcmp(title + len - S(suffix), suffix, S(suffix)) ); + REQUIRE( !memcmp(spc1, onthe, S(onthe)) ); + +#define ASSIGN(what, start, end) \ + what= masprintf("%.*s", (int)((end)-(start)), start); \ + if (o_##what) REQUIRE( !strcasecmp(o_##what, what) ); \ + else - id= strtoul(*++argv,0,0); + ASSIGN(ocean, spc1 + S(onthe), (title + len) - S(suffix)); + ASSIGN(pirate, title + S(prefix), spc1); - read_pages(); - return 0; + debugfind(" YES!\n"); + id= w; + nfound++; + progress_log("found YPP client (0x%lx):" + " %s ocean - %s.", + (unsigned long)id, ocean, pirate); } +void find_yppclient_window(void) { + int targetdepth; + + nfound=0; + + if (id) return; + + progress("looking for YPP client window..."); + + xassert( (wm_name= XInternAtom(disp,"WM_NAME",True)) != None); + + for (targetdepth=1; targetdepth<4; targetdepth++) { + for (screen=0; screen1) + fatal("Found several possible YPP clients. Close one,\n" + " disambiguate with --pirate or --ocean," + " or specify --window-id.\n"); + if (nfound<1) + fatal("Did not find %sYPP client." + " Use --window-id and/or report this as a fault.\n", + o_ocean || o_pirate ? "matching ": ""); +}