/* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies of the Software, its documentation and marketing & publicity materials, and acknowledgment shall be given in the documentation, materials and software packages that this Software was used. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "dox.h" #include #include #include #include #include #include #ifdef HAVE_XINERAMA #include #endif #include #include #include #if defined(__alpha__) && defined(__GNUC__) && ((__GNUC__ == 2) && (__GNUC_MINOR__ < 96)) /* gets rid of some misalignment in GCC */ #pragma 2 #endif #define EDOX_DEFAULT_W 512 #define EDOX_DEFAULT_H 400 Display *disp; Root VRoot; Window win_main, win_title, win_exit, win_next, win_prev, win_text, win_cover; Imlib_Image im_text; Imlib_Image im_title; Imlib_Image im_prev1, im_prev2; Imlib_Image im_next1, im_next2; Imlib_Image im_exit1, im_exit2; static const char doxdir[] = ENLIGHTENMENT_ROOT "/E-docs"; char *docdir = NULL; static Atom ATOM_WM_DELETE_WINDOW = None; static Atom ATOM_WM_PROTOCOLS = None; static Window FindRootWindow(Display * dpy) { Window win1, win2, win3, root_win; char *str; Atom a, at; int format_ret; unsigned long bytes_after, num_ret; unsigned char *retval; root_win = DefaultRootWindow(dpy); str = getenv("ENL_WM_ROOT"); if (!str) goto done; win1 = strtoul(str, NULL, 0); a = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", True); XGetWindowProperty(dpy, win1, a, 0, 1, False, XA_WINDOW, &at, &format_ret, &num_ret, &bytes_after, &retval); if (!retval) goto done; win2 = *((Window *) retval); XFree(retval); XGetWindowProperty(dpy, win2, a, 0, 1, False, XA_WINDOW, &at, &format_ret, &num_ret, &bytes_after, &retval); if (!retval) goto done; win3 = *((Window *) retval); XFree(retval); if (win2 != win3) goto done; root_win = win1; done: return root_win; } static void VRootInit(void) { Window root_return; int x_return, y_return; unsigned int border_width_return; VRoot.scr = DefaultScreen(disp); VRoot.win = FindRootWindow(disp); XGetGeometry(disp, VRoot.win, &root_return, &x_return, &y_return, &VRoot.w, &VRoot.h, &border_width_return, &VRoot.depth); VRoot.vis = DefaultVisual(disp, VRoot.scr); VRoot.depth = DefaultDepth(disp, VRoot.scr); VRoot.cmap = DefaultColormap(disp, VRoot.scr); imlib_set_color_usage(128); imlib_context_set_display(disp); imlib_context_set_visual(VRoot.vis); imlib_context_set_colormap(VRoot.cmap); imlib_context_set_dither(1); imlib_context_set_dither_mask(0); } static Window CreateWindow(Window parent, int x, int y, int ww, int hh) { Window win; XSetWindowAttributes attr; XSizeHints hnt; attr.backing_store = NotUseful; attr.override_redirect = False; attr.colormap = VRoot.cmap; attr.border_pixel = 0; attr.background_pixel = 0; attr.save_under = False; win = XCreateWindow(disp, parent, x, y, ww, hh, 0, VRoot.depth, InputOutput, VRoot.vis, CWOverrideRedirect | CWSaveUnder | CWBackingStore | CWColormap | CWBackPixel | CWBorderPixel, &attr); XSetWindowBackground(disp, win, 0); XStoreName(disp, win, "DOX: Enlightenment Document Viewer"); hnt.flags = USPosition | USSize | PPosition | PSize | PMinSize | PMaxSize; hnt.x = x; hnt.y = y; hnt.width = ww; hnt.height = hh; hnt.min_width = ww; hnt.max_width = ww; hnt.min_height = hh; hnt.max_height = hh; XSetWMNormalHints(disp, win, &hnt); ATOM_WM_PROTOCOLS = XInternAtom(disp, "WM_PROTOCOLS", False); ATOM_WM_DELETE_WINDOW = XInternAtom(disp, "WM_DELETE_WINDOW", False); XSetWMProtocols(disp, win, &ATOM_WM_DELETE_WINDOW, 1); return win; } static Imlib_Image ImageLoad(const char *dir, const char *file) { Imlib_Image im; char tmp[4096]; Esnprintf(tmp, sizeof(tmp), "%s/%s", dir, file); im = imlib_load_image(tmp); return im; } static Imlib_Image ImageLoadDox(const char *file) { return ImageLoad(doxdir, file); } Imlib_Image ImageLoadDoc(const char *file) { return ImageLoad(docdir, file); } static void ApplyImage1(Window win, Imlib_Image im) { Pixmap pmap = 0, mask = 0; imlib_context_set_image(im); imlib_context_set_drawable(win); imlib_render_pixmaps_for_whole_image(&pmap, &mask); XSetWindowBackgroundPixmap(disp, win, pmap); imlib_free_pixmap_and_mask(pmap); } static void ApplyImage2(Window win, Imlib_Image im) { imlib_context_set_image(im); imlib_context_set_drawable(win); imlib_render_image_on_drawable(0, 0); } static void LoadFile(const char *file, const char *docfile) { char s[4096]; FILE *f; f = fopen(file, "r"); if (!f) { strcpy(s, docdir); strcat(s, "/"); strcat(s, docfile); f = fopen(s, "r"); if (!f) { printf("Edoc_dir %s does not contain a %s file\n", docdir, docfile); exit(1); } } GetObjects(f); fclose(f); } #define ApplyImage3(win, im) \ XClearWindow(disp, win) #define FREE_LINKS \ ll = l; \ while (ll) \ { \ l = ll; \ ll = ll->next; \ Efree(l->name); \ Efree(l); \ } #define UPDATE_NOW \ { \ XSetWindowBackgroundPixmap(disp, win_text, draw); \ XClearWindow(disp, win_text); \ } #define UPDATE \ { \ int up_i, up_j; \ int up_lut[16] = { 0, 8, 4, 12, 2, 6, 10, 14, \ 3, 11, 1, 9, 7, 13, 5, 15}; \ XSetWindowBackgroundPixmap(disp, win_text, draw); \ for (up_j = 0; up_j < 16; up_j++) \ { \ for (up_i = 0; up_i < h; up_i += 16) \ { \ XClearArea(disp, win_text, 0, up_i + up_lut[up_j], w, 1, False); \ } \ XSync(disp, False); \ } \ } int main(int argc, char **argv) { int pagenum, prev_pagenum; int i, w, h, t, x, y; int wx, wy; char *s; const char *docfile; Pixmap draw = 0; Link *l = NULL, *ll = NULL; Imlib_Border ibd; int *page_hist = NULL; int page_hist_len = 1; int page_hist_pos = 0; w = EDOX_DEFAULT_W; h = EDOX_DEFAULT_H; x = 0; y = 0; pagenum = 0; if (argc < 1) { printf("usage:\n" "%s [-page page_number] [-file Edoc_fname] [-size width height] [Edoc_dir]\n", argv[0]); exit(1); } if ((disp = XOpenDisplay(NULL)) == NULL) { printf("%s: Cannot open X display.\n", argv[0]); exit(0); } /* now we'll set the locale */ setlocale(LC_ALL, ""); if (!XSupportsLocale()) setlocale(LC_ALL, "C"); XSetLocaleModifiers(""); setlocale(LC_ALL, NULL); /* I dont want any internationalisation of my numeric input & output */ setlocale(LC_NUMERIC, "C"); VRootInit(); docfile = "MAIN"; for (i = 1; i < argc; i++) { if ((!strcmp(argv[i], "-page")) && (i < (argc - 1))) pagenum = atoi(argv[++i]); else if ((!strcmp(argv[i], "-file")) && (i < (argc - 1))) docfile = argv[++i]; else if ((!strcmp(argv[i], "-size")) && (i < (argc - 2))) { w = atoi(argv[++i]); h = atoi(argv[++i]); } else docdir = strdup(argv[i]); } if (docdir == NULL) docdir = strdup(doxdir); s = EMALLOC(char, strlen(docdir) + strlen(docfile) + 2 + 20); sprintf(s, "%s/%s", docdir, docfile); findLocalizedFile(s); im_title = ImageLoadDox("title.png"); imlib_context_set_image(im_title); ibd.left = 50; ibd.right = 2; ibd.top = 2; ibd.bottom = 2; imlib_image_set_border(&ibd); im_prev1 = ImageLoadDox("prev1.png"); im_prev2 = ImageLoadDox("prev2.png"); im_next1 = ImageLoadDox("next1.png"); im_next2 = ImageLoadDox("next2.png"); im_exit1 = ImageLoadDox("exit1.png"); im_exit2 = ImageLoadDox("exit2.png"); t = 16; wx = (VRoot.w - w) / 2; wy = (VRoot.h - (h + t)) / 2; #ifdef HAVE_XINERAMA if (VRoot.win == DefaultRootWindow(disp) && XineramaIsActive(disp)) { Window rt, ch; int d; unsigned int ud; int pointer_x, pointer_y; int num; XineramaScreenInfo *screens; XQueryPointer(disp, VRoot.win, &rt, &ch, &pointer_x, &pointer_y, &d, &d, &ud); screens = XineramaQueryScreens(disp, &num); for (i = 0; i < num; i++) { if (pointer_x >= screens[i].x_org && pointer_x <= (screens[i].width + screens[i].x_org) && pointer_y >= screens[i].y_org && pointer_y <= (screens[i].height + screens[i].y_org)) { wx = ((screens[i].width - w) / 2) + screens[i].x_org; wy = ((screens[i].height - (h + t)) / 2) + screens[i].y_org; } } XFree(screens); } #endif win_main = CreateWindow(VRoot.win, wx, wy, w, h + t); win_title = XCreateSimpleWindow(disp, win_main, 0, 0, (w - 64 - 64 - t), t, 0, 0, 0); win_prev = XCreateSimpleWindow(disp, win_main, (w - 64 - 64 - t), 0, 64, t, 0, 0, 0); win_next = XCreateSimpleWindow(disp, win_main, (w - 64 - 64 - t) + 64, 0, 64, t, 0, 0, 0); win_exit = XCreateSimpleWindow(disp, win_main, (w - 64 - 64 - t) + 64 + 64, 0, t, t, 0, 0, 0); win_text = XCreateSimpleWindow(disp, win_main, 0, t, w, h, 0, 0, 0); XSelectInput(disp, win_main, KeyPressMask | KeyReleaseMask); XSelectInput(disp, win_prev, ButtonPressMask | ButtonReleaseMask); XSelectInput(disp, win_next, ButtonPressMask | ButtonReleaseMask); XSelectInput(disp, win_exit, ButtonPressMask | ButtonReleaseMask); XSelectInput(disp, win_text, ButtonPressMask | ButtonReleaseMask | PointerMotionMask); draw = XCreatePixmap(disp, win_text, w, h, VRoot.depth); ApplyImage1(win_title, im_title); ApplyImage1(win_prev, im_prev1); ApplyImage1(win_next, im_next1); ApplyImage1(win_exit, im_exit1); LoadFile(s, docfile); l = RenderPage(draw, pagenum, w, h); UPDATE_NOW; XMapWindow(disp, win_title); XMapWindow(disp, win_prev); XMapWindow(disp, win_next); XMapWindow(disp, win_exit); XMapWindow(disp, win_text); XMapWindow(disp, win_main); XSync(disp, False); page_hist = EMALLOC(int, 1); page_hist[0] = 0; for (;;) { KeySym key; XEvent ev; prev_pagenum = pagenum; XNextEvent(disp, &ev); switch (ev.type) { case KeyPress: key = XLookupKeysym(&ev.xkey, 0); switch (key) { case XK_Escape: exit(0); break; case XK_Down: goto do_next; case XK_Up: goto do_prev; case XK_Home: pagenum = 0; page_hist_pos = 0; goto do_page; case XK_End: pagenum = 99999; goto do_page; case XK_Left: case XK_Prior: pagenum--; page_hist_len = page_hist_pos + 1; goto do_page; case XK_Right: case XK_Next: pagenum++; page_hist_len = page_hist_pos + 1; goto do_page; case XK_r: LoadFile(s, docfile); goto do_page1; } break; do_next: if (page_hist_pos >= page_hist_len - 1) break; page_hist_pos++; pagenum = page_hist[page_hist_pos]; goto do_page; do_prev: if (pagenum == page_hist[page_hist_pos]) { page_hist_pos--; if (page_hist_pos < 0) page_hist_pos = 0; } pagenum = page_hist[page_hist_pos]; goto do_page; do_page_save: pagenum = FixPage(pagenum); if (pagenum == prev_pagenum) break; page_hist_pos++; if (page_hist_pos >= page_hist_len) { page_hist_len++; page_hist = EREALLOC(int, page_hist, page_hist_len); } page_hist_len = page_hist_pos + 1; page_hist[page_hist_pos] = pagenum; goto do_page; do_page: pagenum = FixPage(pagenum); if (pagenum == prev_pagenum) break; do_page1: FREE_LINKS; l = RenderPage(draw, pagenum, w, h); UPDATE; break; case ButtonPress: if (ev.xbutton.window == win_prev) ApplyImage2(win_prev, im_prev2); else if (ev.xbutton.window == win_next) ApplyImage2(win_next, im_next2); else if (ev.xbutton.window == win_exit) ApplyImage2(win_exit, im_exit2); else { x = ev.xbutton.x; y = ev.xbutton.y; ll = l; while (ll) { if ((x >= ll->x) && (y >= ll->y) && (x < (ll->x + ll->w)) && (y < (ll->y + ll->h))) { int pg; if (!strncmp("EXEC.", ll->name, 5)) { if (!fork()) { char *exe; exe = &(ll->name[5]); execl("/bin/sh", "/bin/sh", "-c", exe, NULL); exit(0); } } else if (!strncmp("INPUT.", ll->name, 6)) { FILE *p; char *exe, tmp[1024]; exe = &(ll->name[6]); if (exe[0] != '/') { sprintf(tmp, "%s/%s", docdir, exe); findLocalizedFile(tmp); exe = tmp; } p = popen(exe, "r"); if (p) { int dirlen = 0; char *sp; sp = exe; while ((*sp) && (*sp != ' ')) sp++; while ((*sp != '/') && (sp != exe)) sp--; dirlen = sp - exe; if (dirlen > 1) { Efree(docdir); docdir = EMALLOC(char, dirlen + 1); memcpy(docdir, exe, dirlen); docdir[dirlen] = 0; } GetObjects(p); pclose(p); Efree(page_hist); page_hist = EMALLOC(int, 1); page_hist[0] = 0; page_hist_len = 1; pagenum = 0; page_hist_pos = 0; FREE_LINKS; l = RenderPage(draw, pagenum, w, h); UPDATE; } } else { pg = GetPage(ll->name); if (pg >= 0) { pagenum = pg; goto do_page_save; } } break; } ll = ll->next; } } break; case ButtonRelease: if (ev.xbutton.window == win_prev) { ApplyImage3(win_prev, im_prev1); goto do_prev; } else if (ev.xbutton.window == win_next) { ApplyImage3(win_next, im_next1); pagenum++; goto do_page_save; } else if (ev.xbutton.window == win_exit) { ApplyImage3(win_exit, im_exit1); exit(0); } break; case EnterNotify: case LeaveNotify: break; case MotionNotify: while (XCheckTypedEvent(disp, ev.type, &ev)) ; { static Link *pl = NULL; char found = 0; x = ev.xmotion.x; y = ev.xmotion.y; ll = l; while (ll) { if ((x >= ll->x) && (y >= ll->y) && (x < (ll->x + ll->w)) && (y < (ll->y + ll->h))) { GC gc; XGCValues gcv; int r, g, b; XColor xclr; if (pl != ll) { if (pl) { UPDATE_NOW; } GetLinkColors(pagenum, &r, &g, &b); ESetColor(&xclr, r, g, b); EAllocColor(&xclr); gc = XCreateGC(disp, win_text, 0, &gcv); XSetForeground(disp, gc, xclr.pixel); XDrawRectangle(disp, win_text, gc, ll->x, ll->y, ll->w, ll->h); XFreeGC(disp, gc); pl = ll; } found = 1; ll = NULL; } if (ll) ll = ll->next; } if (!found) { UPDATE_NOW; pl = NULL; } } break; case ClientMessage: if (ev.xclient.message_type == ATOM_WM_PROTOCOLS && (Atom) ev.xclient.data.l[0] == ATOM_WM_DELETE_WINDOW) goto done; break; default: break; } } done: return 0; } void ESetColor(XColor * pxc, int r, int g, int b) { pxc->red = (r << 8) | r; pxc->green = (g << 8) | g; pxc->blue = (b << 8) | b; } void EGetColor(XColor * pxc, int *pr, int *pg, int *pb) { *pr = pxc->red >> 8; *pg = pxc->green >> 8; *pb = pxc->blue >> 8; }