void pdfapp_onkey(pdfapp_t *app, int c) { int oldpage = app->pageno; enum panning panto = PAN_TO_TOP; int loadpage = 1; if (app->isediting) { int n = strlen(app->search); if (c < ' ') { if (c == '\b' && n > 0) { app->search[n - 1] = 0; winrepaintsearch(app); } if (c == '\n' || c == '\r') { app->isediting = 0; if (n > 0) { winrepaintsearch(app); pdfapp_onkey(app, 'n'); } else winrepaint(app); } if (c == '\033') { app->isediting = 0; winrepaint(app); } } else { if (n + 2 < sizeof app->search) { app->search[n] = c; app->search[n + 1] = 0; winrepaintsearch(app); } } return; } /* * Save numbers typed for later */ if (c >= '0' && c <= '9') { app->number[app->numberlen++] = c; app->number[app->numberlen] = '\0'; } switch (c) { case '?': winhelp(app); break; case 'q': winclose(app); break; /* * Zoom and rotate */ case '+': case '=': app->resolution *= ZOOMSTEP; if (app->resolution > MAXRES) app->resolution = MAXRES; pdfapp_showpage(app, 0, 1, 1); break; case '-': app->resolution /= ZOOMSTEP; if (app->resolution < MINRES) app->resolution = MINRES; pdfapp_showpage(app, 0, 1, 1); break; case 'L': app->rotate -= 90; pdfapp_showpage(app, 0, 1, 1); break; case 'R': app->rotate += 90; pdfapp_showpage(app, 0, 1, 1); break; case 'c': app->grayscale ^= 1; pdfapp_showpage(app, 0, 1, 1); break; #ifndef NDEBUG case 'a': app->rotate -= 15; pdfapp_showpage(app, 0, 1, 1); break; case 's': app->rotate += 15; pdfapp_showpage(app, 0, 1, 1); break; #endif /* * Pan view, but dont need to repaint image */ case 'w': app->shrinkwrap = 1; app->panx = app->pany = 0; pdfapp_showpage(app, 0, 0, 1); break; case 'h': app->panx += app->image->w / 10; pdfapp_showpage(app, 0, 0, 1); break; case 'j': app->pany -= app->image->h / 10; pdfapp_showpage(app, 0, 0, 1); break; case 'k': app->pany += app->image->h / 10; pdfapp_showpage(app, 0, 0, 1); break; case 'l': app->panx -= app->image->w / 10; pdfapp_showpage(app, 0, 0, 1); break; /* * Page navigation */ case 'g': case '\n': case '\r': if (app->numberlen > 0) app->pageno = atoi(app->number); else app->pageno = 1; break; case 'G': app->pageno = app->pagecount; break; case 'm': if (app->numberlen > 0) { int idx = atoi(app->number); if (idx >= 0 && idx < nelem(app->marks)) app->marks[idx] = app->pageno; } else { if (app->histlen + 1 == 256) { memmove(app->hist, app->hist + 1, sizeof(int) * 255); app->histlen --; } app->hist[app->histlen++] = app->pageno; } break; case 't': if (app->numberlen > 0) { int idx = atoi(app->number); if (idx >= 0 && idx < nelem(app->marks)) if (app->marks[idx] > 0) app->pageno = app->marks[idx]; } else if (app->histlen > 0) app->pageno = app->hist[--app->histlen]; break; /* * Back and forth ... */ case ',': panto = PAN_TO_BOTTOM; if (app->numberlen > 0) app->pageno -= atoi(app->number); else app->pageno--; break; case '.': panto = PAN_TO_TOP; if (app->numberlen > 0) app->pageno += atoi(app->number); else app->pageno++; break; case 'b': panto = DONT_PAN; if (app->numberlen > 0) app->pageno -= atoi(app->number); else app->pageno--; break; case ' ': panto = DONT_PAN; if (app->numberlen > 0) app->pageno += atoi(app->number); else app->pageno++; break; case '<': panto = PAN_TO_TOP; app->pageno -= 10; break; case '>': panto = PAN_TO_TOP; app->pageno += 10; break; /* * Reloading the file... */ case 'r': panto = DONT_PAN; oldpage = -1; winreloadfile(app); break; /* * Searching */ case '/': app->isediting = 1; app->search[0] = 0; app->hit = -1; app->hitlen = 0; winrepaintsearch(app); break; case 'n': pdfapp_searchforward(app, &panto); loadpage = 0; break; case 'N': pdfapp_searchbackward(app, &panto); loadpage = 0; break; } if (c < '0' || c > '9') app->numberlen = 0; if (app->pageno < 1) app->pageno = 1; if (app->pageno > app->pagecount) app->pageno = app->pagecount; if (app->pageno != oldpage) { switch (panto) { case PAN_TO_TOP: app->pany = 0; break; case PAN_TO_BOTTOM: app->pany = -2000; break; case DONT_PAN: break; } pdfapp_showpage(app, loadpage, 1, 1); } }
int main(int argc, char **argv) { int c; int len; char buf[128]; KeySym keysym; int oldx = 0; int oldy = 0; int resolution = -1; int pageno = 1; fd_set fds; int width = -1; int height = -1; fz_context *ctx; struct timeval tmo_at; struct timeval now; struct timeval tmo; struct timeval *timeout; struct timeval tmo_advance_delay; ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT); if (!ctx) { fprintf(stderr, "cannot initialise context\n"); exit(1); } while ((c = fz_getopt(argc, argv, "p:r:b:")) != -1) { switch (c) { case 'p': password = fz_optarg; break; case 'r': resolution = atoi(fz_optarg); break; case 'b': fz_set_aa_level(ctx, atoi(fz_optarg)); break; default: usage(); } } if (argc - fz_optind == 0) usage(); filename = argv[fz_optind++]; if (argc - fz_optind == 1) pageno = atoi(argv[fz_optind++]); pdfapp_init(ctx, &gapp); winopen(); if (resolution == -1) resolution = winresolution(); if (resolution < MINRES) resolution = MINRES; if (resolution > MAXRES) resolution = MAXRES; gapp.transitions_enabled = 1; gapp.scrw = DisplayWidth(xdpy, xscr); gapp.scrh = DisplayHeight(xdpy, xscr); gapp.resolution = resolution; gapp.pageno = pageno; pdfapp_open(&gapp, filename, 0); FD_ZERO(&fds); signal(SIGHUP, signal_handler); tmo_at.tv_sec = 0; tmo_at.tv_usec = 0; while (!closing) { while (!closing && XPending(xdpy) && !transition_dirty) { XNextEvent(xdpy, &xevt); switch (xevt.type) { case Expose: dirty = 1; break; case ConfigureNotify: if (gapp.image) { if (xevt.xconfigure.width != reqw || xevt.xconfigure.height != reqh) gapp.shrinkwrap = 0; } width = xevt.xconfigure.width; height = xevt.xconfigure.height; break; case KeyPress: len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, NULL); if (!gapp.isediting) switch (keysym) { case XK_Escape: len = 1; buf[0] = '\033'; break; case XK_Up: len = 1; buf[0] = 'k'; break; case XK_Down: len = 1; buf[0] = 'j'; break; case XK_Left: len = 1; buf[0] = 'b'; break; case XK_Right: len = 1; buf[0] = ' '; break; case XK_Page_Up: len = 1; buf[0] = ','; break; case XK_Page_Down: len = 1; buf[0] = '.'; break; } if (xevt.xkey.state & ControlMask && keysym == XK_c) docopy(&gapp, XA_CLIPBOARD); else if (len) onkey(buf[0]); onmouse(oldx, oldy, 0, 0, 0); break; case MotionNotify: oldx = xevt.xmotion.x; oldy = xevt.xmotion.y; onmouse(xevt.xmotion.x, xevt.xmotion.y, 0, xevt.xmotion.state, 0); break; case ButtonPress: onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 1); break; case ButtonRelease: copytime = xevt.xbutton.time; onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, -1); break; case SelectionRequest: onselreq(xevt.xselectionrequest.requestor, xevt.xselectionrequest.selection, xevt.xselectionrequest.target, xevt.xselectionrequest.property, xevt.xselectionrequest.time); break; case ClientMessage: if (xevt.xclient.format == 32 && xevt.xclient.data.l[0] == WM_DELETE_WINDOW) closing = 1; break; } } if (closing) continue; if (width != -1 || height != -1) { pdfapp_onresize(&gapp, width, height); width = -1; height = -1; } if (dirty || dirtysearch) { if (dirty) winblit(&gapp); else if (dirtysearch) winblitsearch(&gapp); dirty = 0; transition_dirty = 0; dirtysearch = 0; pdfapp_postblit(&gapp); } if (showingpage && !tmo_at.tv_sec && !tmo_at.tv_usec) { tmo.tv_sec = 2; tmo.tv_usec = 0; gettimeofday(&now, NULL); timeradd(&now, &tmo, &tmo_at); } if (XPending(xdpy) || transition_dirty) continue; timeout = NULL; if (tmo_at.tv_sec || tmo_at.tv_usec) { gettimeofday(&now, NULL); timersub(&tmo_at, &now, &tmo); if (tmo.tv_sec <= 0) { tmo_at.tv_sec = 0; tmo_at.tv_usec = 0; timeout = NULL; showingpage = 0; winrepaint(&gapp); } else timeout = &tmo; } if (advance_scheduled) { gettimeofday(&now, NULL); timersub(&tmo_advance, &now, &tmo_advance_delay); if (tmo_advance_delay.tv_sec <= 0) { /* Too late already */ onkey(' '); onmouse(oldx, oldy, 0, 0, 0); advance_scheduled = 0; } else if (timeout == NULL) { timeout = &tmo_advance_delay; } else { struct timeval tmp; timersub(&tmo_advance_delay, timeout, &tmp); if (tmp.tv_sec < 0) { timeout = &tmo_advance_delay; } } } FD_SET(x11fd, &fds); if (select(x11fd + 1, &fds, NULL, NULL, timeout) < 0) { if (reloading) { winreloadfile(&gapp); reloading = 0; } } if (!FD_ISSET(x11fd, &fds)) { if (timeout == &tmo_advance_delay) { onkey(' '); onmouse(oldx, oldy, 0, 0, 0); advance_scheduled = 0; } else { tmo_at.tv_sec = 0; tmo_at.tv_usec = 0; timeout = NULL; showingpage = 0; winrepaint(&gapp); } } } cleanup(&gapp); return 0; }
int main(int argc, char **argv) { int c; int len; char buf[128]; KeySym keysym; int oldx = 0; int oldy = 0; int resolution = 72; int pageno = 1; int pagemark = 0; int accelerate = 1; int fd; fd_set fds; int width = -1; int height = -1; while ((c = fz_getopt(argc, argv, "p:r:b:A")) != -1) { switch (c) { case 'p': password = fz_optarg; break; case 'r': resolution = atoi(fz_optarg); break; case 'A': accelerate = 0; break; case 'b': fz_set_aa_level(atoi(fz_optarg)); break; default: usage(); } } if (resolution < MINRES) resolution = MINRES; if (resolution > MAXRES) resolution = MAXRES; if (argc - fz_optind == 0) usage(); if (accelerate) fz_accelerate(); filename = argv[fz_optind++]; winopen(); pdfapp_init(&gapp); gapp.scrw = DisplayWidth(xdpy, xscr); gapp.scrh = DisplayHeight(xdpy, xscr); gapp.resolution = resolution; if (argc - fz_optind > 1) pageno = atoi(argv[fz_optind++]); gapp.pageno = pageno; fd = open(filename, O_BINARY | O_RDONLY, 0666); if (fd < 0) winerror(&gapp, fz_throw("cannot open file '%s'", filename)); pdfapp_open(&gapp, filename, fd, 0); if (pdfapp_calcfilehash(&gapp, fd)) { pdfapp_getmarkfile(&gapp); pagemark = pdfapp_getpgmark(&gapp); if (pagemark > 0) { if (pagemark <= gapp.pagecount) { gapp.pageno = pagemark; pdfapp_showpage(&gapp, 1, 1, 1); } else pdfapp_closemarkfile(&gapp); } } FD_ZERO(&fds); FD_SET(x11fd, &fds); signal(SIGHUP, signal_handler); atexit(exit_cb); while (!closing) { do { XNextEvent(xdpy, &xevt); switch (xevt.type) { case Expose: dirty = 1; break; case ConfigureNotify: if (gapp.image) { if (xevt.xconfigure.width != reqw || xevt.xconfigure.height != reqh) gapp.shrinkwrap = 0; } width = xevt.xconfigure.width; height = xevt.xconfigure.height; break; case KeyPress: len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, NULL); if (!gapp.isediting) switch (keysym) { case XK_Escape: len = 1; buf[0] = '\033'; break; case XK_Up: len = 1; buf[0] = 'k'; break; case XK_Down: len = 1; buf[0] = 'j'; break; case XK_Left: len = 1; buf[0] = 'b'; break; case XK_Right: len = 1; buf[0] = ' '; break; case XK_Page_Up: len = 1; buf[0] = ','; break; case XK_Page_Down: len = 1; buf[0] = '.'; break; } if (len) onkey(buf[0]); onmouse(oldx, oldy, 0, 0, 0); break; case MotionNotify: oldx = xevt.xbutton.x; oldy = xevt.xbutton.y; onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 0); break; case ButtonPress: onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, 1); break; case ButtonRelease: copytime = xevt.xbutton.time; onmouse(xevt.xbutton.x, xevt.xbutton.y, xevt.xbutton.button, xevt.xbutton.state, -1); break; case SelectionRequest: onselreq(xevt.xselectionrequest.requestor, xevt.xselectionrequest.selection, xevt.xselectionrequest.target, xevt.xselectionrequest.property, xevt.xselectionrequest.time); break; case ClientMessage: if (xevt.xclient.format == 32 && xevt.xclient.data.l[0] == WM_DELETE_WINDOW) closing = 1; break; } } while (!closing && XPending(xdpy)); if (closing) continue; if (width != -1 || height != -1) { pdfapp_onresize(&gapp, width, height); width = -1; height = -1; } if (dirty || dirtysearch) { if (dirty) winblit(&gapp); else if (dirtysearch) winblitsearch(&gapp); dirty = 0; dirtysearch = 0; } if (XPending(xdpy)) continue; if (select(x11fd + 1, &fds, NULL, NULL, NULL) < 0) { if (reloading) { winreloadfile(&gapp); reloading = 0; } } } pdfapp_close(&gapp); XDestroyWindow(xdpy, xwin); XFreePixmap(xdpy, xicon); XFreeCursor(xdpy, xcwait); XFreeCursor(xdpy, xchand); XFreeCursor(xdpy, xcarrow); XFreeGC(xdpy, xgc); XCloseDisplay(xdpy); return 0; }