#include <X11/keysym.h>
#include <X11/Xutil.h>
+#include <X11/extensions/XShm.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+
CanonImage *page_images[MAX_PAGES];
int npages;
+RgbImage *page0_rgbimage;
char *ocean, *pirate;
static Display *disp;
static struct timeval tv_startup;
static unsigned wwidth, wheight;
+static int max_relevant_y= -1;
+
+static XImage *shmim;
+static XShmSegmentInfo shminfo;
DEBUG_DEFINE_DEBUGF(pages)
}
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, 50);
+ XTestFakeButtonEvent(disp,1,0, 50);
+}
+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 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);
+ pgupdown--;
+ }
debugf("PAGING PageUp x %d\n",i);
sync_after_input();
}
static void send_pgdown(void) {
send_key(XK_Next);
+ pgupdown++;
debugf("PAGING PageDown\n");
sync_after_input();
}
+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);
a->bytes_per_line == b->bytes_per_line &&
a->format == b->format))
return 0;
- return !memcmp(a->data, b->data, a->bytes_per_line * a->height);
+
+ int compare_to= a->height;
+ if (max_relevant_y && compare_to > max_relevant_y)
+ compare_to= max_relevant_y;
+
+ return !memcmp(a->data, b->data, a->bytes_per_line * compare_to);
}
static void wait_for_stability(Snapshot **output,
fatal("YPP client window is implausibly small?");
check_client_window_all_on_screen();
+
+ int shm= XShmQueryExtension(disp);
+ 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]) );
+
+ sysassert(! sigprocmask(SIG_SETMASK,&oldset,0) );
+
+ assert(shmim->height == wheight);
+ sysassert( (shminfo.shmid=
+ shmget(IPC_PRIVATE, shmim->bytes_per_line * wheight,
+ IPC_CREAT|0600)) >= 0 );
+
+ 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) );
+
+ close(pfd[1]); /* causes IPC_RMID */
+ }
}
-static void set_focus(void) {
+static void set_focus_commodity(void) {
int screen= XScreenNumberOfScreen(attr.screen);
progress("taking control of YPP client window...");
debugf("PAGING set_focus\n");
- int xpos, ypos;
- translate_coords_toroot(160,160, &xpos,&ypos);
- XTestFakeMotionEvent(disp,screen, xpos,ypos, 0);
-
- XTestFakeButtonEvent(disp,1,1, 50);
- XTestFakeButtonEvent(disp,1,0, 50);
-
+ mouse_1_updown(160,160);
sync_after_input();
delay(0.5);
FocusChangeMask
) );
+ int xpos,ypos;
translate_coords_toroot(10,10, &xpos,&ypos);
XTestFakeMotionEvent(disp,screen, xpos,ypos, 0);
assert(sm->rshift < LONG_BIT);
}
-static CanonImage *convert_page(Snapshot *sn) {
+static CanonImage *convert_page(Snapshot *sn, RgbImage *ri) {
ShMask shiftmasks[3];
CanonImage *im;
rgb |= sample;
fputc(sample, screenshot_file);
}
+ if (ri)
+ CANONIMG_ALSO_STORERGB(ri);
});
sysassert(!ferror(screenshot_file));
return im;
}
-void take_screenshots(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);
+ test= convert_page(current, 0);
+ find_structure(test, &max_relevant_y);
+ check_correct_commodities();
free(test);
+ free_snapshot(¤t);
+ progress("requesting status information...");
+ 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();
+}
+
+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 */
- set_focus();
+ set_focus_commodity();
wait_for_stability(¤t,0, send_pgup_many,
"paging up to top of commodity list...");
fatal("Paging down seems to generate too many pages - max is %d.",
MAX_PAGES);
- page_images[npages]= convert_page(current);
+ page_images[npages]= convert_page(current, 0);
free_snapshot(&last); last=current; current=0;
debugf("PAGING page %d converted\n",npages);
send_pgdown();
npages++;
}
+ progress("finishing with the YPP client...");
+ send_pgdown_torestore();
+
debugf("PAGING all done.\n");
progress_log("collected %d screenshots.",npages);
}
void take_one_screenshot(void) {
Snapshot *current=0;
-
- raise_and_get_details();
- sync_after_input();
+
+ prepare_ypp_client();
wait_for_stability(¤t,0,0, "taking screenshot...");
- page_images[0]= convert_page(current);
+ page0_rgbimage= alloc_rgb_image(current->width, current->height);
+ page_images[0]= convert_page(current, 0);
npages= 1;
progress_log("collected single screenshot.");
}