reindent using vim

1 files changed, 329 insertions, 329 deletions

diff --git a/src/GsWidget.cxx b/src/GsWidget.cxx
index 5db8cae..71537e9 100644
--- a/src/GsWidget.cxx
+++ b/src/GsWidget.cxx
@@ -20,397 +20,397 @@
 #define MIN(A,B) ((A)<(B)?(A):(B))
 
 void GsWidget::draw() {
-  if (!offscreen) {
-    offscreen = fl_create_offscreen(w(), h());
-    fl_begin_offscreen(offscreen);
-    fl_color(FL_WHITE);
-    fl_rectf(0, 0, w(), h());
-    fl_end_offscreen();
-
-    if (reload_needed) {
-      reload();
-      reload_needed = 0;
-    }
-  }
-  fl_push_clip(x(), y(), w(), h());
-  fl_copy_offscreen(x(), y(), w(), h(), offscreen, 0, 0); 
-  fl_pop_clip();
+	if (!offscreen) {
+		offscreen = fl_create_offscreen(w(), h());
+		fl_begin_offscreen(offscreen);
+		fl_color(FL_WHITE);
+		fl_rectf(0, 0, w(), h());
+		fl_end_offscreen();
+
+		if (reload_needed) {
+			reload();
+			reload_needed = 0;
+		}
+	}
+	fl_push_clip(x(), y(), w(), h());
+	fl_copy_offscreen(x(), y(), w(), h(), offscreen, 0, 0); 
+	fl_pop_clip();
 }
 
 void GsWidget::setProps() {
-  char data[512];
-
-  if (!offscreen) {
-    offscreen = fl_create_offscreen(w(), h());
-  }
-
-  atoms[0] = XInternAtom(fl_display,"GHOSTVIEW" , false);
-  atoms[1] = XInternAtom(fl_display,"GHOSTVIEW_COLORS" , false);
-  atoms[2] = XInternAtom(fl_display,"NEXT" , false);
-  atoms[3] = XInternAtom(fl_display,"PAGE" , false);
-  atoms[4] = XInternAtom(fl_display,"DONE" , false);
-   
-  snprintf(data, sizeof(data), "%d %d %d %d %d %d %d.0 %d.0",
-	   0, 0, 0, 0, paper_x, paper_y, xdpi, ydpi);
-
-  int xid = fl_xid(window());
-
-  XChangeProperty(fl_display, xid, atoms[0],
-		  XA_STRING, 8, PropModeReplace,
-		  (unsigned char*) data, strlen(data));
-    
-  snprintf(data, sizeof(data), "%s %d %d", "Color", 
-    (int) BlackPixel(fl_display, DefaultScreen(fl_display)),
-    (int) WhitePixel(fl_display, DefaultScreen(fl_display)));
-    
-  XChangeProperty(fl_display, xid, atoms[1],
-		  XA_STRING, 8, PropModeReplace,
-		  (unsigned char*) data, strlen(data));
-
-  XSync(fl_display, False);
+	char data[512];
+
+	if (!offscreen) {
+		offscreen = fl_create_offscreen(w(), h());
+	}
+
+	atoms[0] = XInternAtom(fl_display,"GHOSTVIEW" , false);
+	atoms[1] = XInternAtom(fl_display,"GHOSTVIEW_COLORS" , false);
+	atoms[2] = XInternAtom(fl_display,"NEXT" , false);
+	atoms[3] = XInternAtom(fl_display,"PAGE" , false);
+	atoms[4] = XInternAtom(fl_display,"DONE" , false);
+
+	snprintf(data, sizeof(data), "%d %d %d %d %d %d %d.0 %d.0",
+		0, 0, 0, 0, paper_x, paper_y, xdpi, ydpi);
+
+	int xid = fl_xid(window());
+
+	XChangeProperty(fl_display, xid, atoms[0],
+		XA_STRING, 8, PropModeReplace,
+		(unsigned char*) data, strlen(data));
+
+	snprintf(data, sizeof(data), "%s %d %d", "Color", 
+		(int) BlackPixel(fl_display, DefaultScreen(fl_display)),
+		(int) WhitePixel(fl_display, DefaultScreen(fl_display)));
+
+	XChangeProperty(fl_display, xid, atoms[1],
+		XA_STRING, 8, PropModeReplace,
+		(unsigned char*) data, strlen(data));
+
+	XSync(fl_display, False);
 }
 
 void GsWidget::kill_gs() {
-  int status;
+	int status;
 
-  if (gs_pid > 0) {
-    kill(gs_pid, SIGTERM);
-    waitpid(gs_pid, &status, 0);
-    gs_pid = 0;
-  }
+	if (gs_pid > 0) {
+		kill(gs_pid, SIGTERM);
+		waitpid(gs_pid, &status, 0);
+		gs_pid = 0;
+	}
 }
 
 bool GsWidget::gs_active() {
-  return gs_pid > 0 && gs_win;
+	return gs_pid > 0 && gs_win;
 }
 
 GsWidget::GsWidget(int X,int Y,int W, int H) : Fl_Widget(X, Y, W, H) { 
-  offscreen = 0;
-  gs_pid = 0;
-  page = 0;
-  zoom_percent = 100;
-  xdpi = 75 * zoom_percent / 100;
-  ydpi = 75 * zoom_percent / 100;
-  paper_x = 594; // DIN A4
-  paper_y = 841; //
-  initial_width = W;
-  initial_height = H;
-  in_fd = -1;
-  reload_needed = 0;
-  dsc = NULL;
-  feeding = 0;
+	offscreen = 0;
+	gs_pid = 0;
+	page = 0;
+	zoom_percent = 100;
+	xdpi = 75 * zoom_percent / 100;
+	ydpi = 75 * zoom_percent / 100;
+	paper_x = 594; // DIN A4
+	paper_y = 841; //
+	initial_width = W;
+	initial_height = H;
+	in_fd = -1;
+	reload_needed = 0;
+	dsc = NULL;
+	feeding = 0;
 }
-  
+
 GsWidget::~GsWidget() {
-  kill_gs();
-  if (offscreen) {
-    fl_delete_offscreen(offscreen);
-  }
+	kill_gs();
+	if (offscreen) {
+		fl_delete_offscreen(offscreen);
+	}
 }
 
 int GsWidget::open_file(char *f) {
-  int fd = open(f, O_RDONLY); 
-  if (fd == -1) {
-    perror("open");
-    return 1;
-  }
-  return open_file(fd);
+	int fd = open(f, O_RDONLY); 
+	if (fd == -1) {
+		perror("open");
+		return 1;
+	}
+	return open_file(fd);
 }
 
 int GsWidget::open_file(int fd) {
-  if (in_fd >= 0 && fd != in_fd) {
-    close (in_fd);
-  }
-  in_fd = fd;
-
-  if (dsc) {
-    delete(dsc);
-  }
-  dsc = new PostscriptDSC();
-
-  if (dsc->parse(in_fd) == 0) {
-    int bb_x, bb_y, bb_w, bb_h;
-
-    dsc->get_bounding_box(&bb_x, &bb_y, &bb_w, &bb_h);
-    paper_x = bb_w;
-    paper_y = bb_h;
-  } else {
-    delete(dsc);
-    dsc = NULL;
-    paper_x = 594; // DIN A4
-    paper_y = 841; //
-  }
-
-  page = 0;
-
-  return 0;
+	if (in_fd >= 0 && fd != in_fd) {
+		close (in_fd);
+	}
+	in_fd = fd;
+
+	if (dsc) {
+		delete(dsc);
+	}
+	dsc = new PostscriptDSC();
+
+	if (dsc->parse(in_fd) == 0) {
+		int bb_x, bb_y, bb_w, bb_h;
+
+		dsc->get_bounding_box(&bb_x, &bb_y, &bb_w, &bb_h);
+		paper_x = bb_w;
+		paper_y = bb_h;
+	} else {
+		delete(dsc);
+		dsc = NULL;
+		paper_x = 594; // DIN A4
+		paper_y = 841; //
+	}
+
+	page = 0;
+
+	return 0;
 }
 
 
 int GsWidget::load() {
-  pid_t pid;
-
-  if (dsc) {
-    return load_page(1);
-  }
-
-  if (in_fd < 0) {
-    return 1;
-  }
-
-  lseek(in_fd, 0L, SEEK_SET);
-
-  fl_cursor(FL_CURSOR_WAIT);
-  kill_gs();
-
-  if (!offscreen) {
-    reload_needed = 1;
-    return 0;
-  }
-
-  setProps();
-    
-  pid = fork();
-  if (pid == (pid_t) 0) {
-    dup2(in_fd, STDIN_FILENO);
-    exec_gs();
-  } else {
-    gs_pid = pid;
-    page = 0;
-  }
-  
-  return 0;
+	pid_t pid;
+
+	if (dsc) {
+		return load_page(1);
+	}
+
+	if (in_fd < 0) {
+		return 1;
+	}
+
+	lseek(in_fd, 0L, SEEK_SET);
+
+	fl_cursor(FL_CURSOR_WAIT);
+	kill_gs();
+
+	if (!offscreen) {
+		reload_needed = 1;
+		return 0;
+	}
+
+	setProps();
+
+	pid = fork();
+	if (pid == (pid_t) 0) {
+		dup2(in_fd, STDIN_FILENO);
+		exec_gs();
+	} else {
+		gs_pid = pid;
+		page = 0;
+	}
+
+	return 0;
 }
 
 int
 GsWidget::load_page(int p) {
-  pid_t pid;
-  int pdes[2];
-
-  if (feeding || in_fd < 0) {
-    return 1;
-  }
-
-  if (p < 1 || p > dsc->get_pages()) {
-    fprintf(stderr, "Page %d not found in document\n", p);
-    return 1;
-  }
- 
-  fl_cursor(FL_CURSOR_WAIT);
-  kill_gs();
-
-  page = p;
-
-  if (!offscreen) {
-    reload_needed = 1;
-    return 0;
-  }
-
-  if (pipe(pdes) < 0) {
-    perror("pipe");
-    return 1;
-  }
-  
-  feeding = 1;
-
-  lseek(in_fd, 0L, SEEK_SET);
-  setProps();
-
-  pid = fork();
-  if (pid == (pid_t) 0) {
-    close(in_fd);
-    close(pdes[1]);
-    dup2(pdes[0], STDIN_FILENO);
-    exec_gs();
-  } else {
-    size_t len;
-
-    gs_pid = pid;
-
-    close(pdes[0]);
-
-    lseek(in_fd, 0L, SEEK_SET);
-    len = dsc->get_setup_len();
-    if (fd_copy(pdes[1], in_fd, len) != 0) {
-      close(pdes[1]);
-      feeding = 0;
-      return 1;
-    }
-
-    lseek(in_fd, dsc->get_page_off(p), SEEK_SET);
-    len = dsc->get_page_len(p);
-    if (fd_copy(pdes[1], in_fd, len) != 0) {
-      close(pdes[1]);
-      feeding = 0;
-      return 1;
-    }
-
-    close(pdes[1]);
-  }  
-
-  feeding = 0;
-  return 0;
+	pid_t pid;
+	int pdes[2];
+
+	if (feeding || in_fd < 0) {
+		return 1;
+	}
+
+	if (p < 1 || p > dsc->get_pages()) {
+		fprintf(stderr, "Page %d not found in document\n", p);
+		return 1;
+	}
+
+	fl_cursor(FL_CURSOR_WAIT);
+	kill_gs();
+
+	page = p;
+
+	if (!offscreen) {
+		reload_needed = 1;
+		return 0;
+	}
+
+	if (pipe(pdes) < 0) {
+		perror("pipe");
+		return 1;
+	}
+
+	feeding = 1;
+
+	lseek(in_fd, 0L, SEEK_SET);
+	setProps();
+
+	pid = fork();
+	if (pid == (pid_t) 0) {
+		close(in_fd);
+		close(pdes[1]);
+		dup2(pdes[0], STDIN_FILENO);
+		exec_gs();
+	} else {
+		size_t len;
+
+		gs_pid = pid;
+
+		close(pdes[0]);
+
+		lseek(in_fd, 0L, SEEK_SET);
+		len = dsc->get_setup_len();
+		if (fd_copy(pdes[1], in_fd, len) != 0) {
+			close(pdes[1]);
+			feeding = 0;
+			return 1;
+		}
+
+		lseek(in_fd, dsc->get_page_off(p), SEEK_SET);
+		len = dsc->get_page_len(p);
+		if (fd_copy(pdes[1], in_fd, len) != 0) {
+			close(pdes[1]);
+			feeding = 0;
+			return 1;
+		}
+
+		close(pdes[1]);
+	}  
+
+	feeding = 0;
+	return 0;
 }
 
 int GsWidget::fd_copy(int to, int from, size_t len) {
-  size_t n, r;
-  char buf[1024];
-  int ret = 0;
+	size_t n, r;
+	char buf[1024];
+	int ret = 0;
 
-  signal(SIGPIPE, SIG_IGN); // don't die if gs has a problem
+	signal(SIGPIPE, SIG_IGN); // don't die if gs has a problem
 
-  n = 0;
-  while(len > 0) {
+	n = 0;
+	while(len > 0) {
 
-    Fl::check(); // let fltk do its stuff 
+		Fl::check(); // let fltk do its stuff 
 
-    r = read(from, buf, MIN(sizeof(buf), len));
+		r = read(from, buf, MIN(sizeof(buf), len));
 
-    if (r < 0) {
-      perror("read");
-      ret = 1;
-      break;
-    }
+		if (r < 0) {
+			perror("read");
+			ret = 1;
+			break;
+		}
 
-    write(to, buf, r);
-    len -= r;
-  }
+		write(to, buf, r);
+		len -= r;
+	}
 
-  signal(SIGPIPE, SIG_DFL);
+	signal(SIGPIPE, SIG_DFL);
 
-  return ret;
+	return ret;
 }
 
 void GsWidget::exec_gs() {
-  char *argv[16];
-  char gvenv[256];
-  int d_null = open("/dev/null", O_WRONLY);
-      
-  dup2(d_null, STDOUT_FILENO);
-
-  snprintf(gvenv, sizeof(gvenv), "GHOSTVIEW=%d %d", 
-    (int) fl_xid(window()), (int) offscreen);
-    
-  putenv(gvenv);
-  argv[0] = "gs";
-  argv[1] = "-dSAFER";
-  argv[2] = "-dQUIET";
-  argv[3] = "-sDEVICE=x11alpha";
-  argv[4] = "-dNOPLATFONTS";
-  argv[5] = "-dNOPAUSE";
-  argv[6] = "-";
-  argv[7] = NULL;
-  execvp(argv[0], argv);
-  perror("exec");
-  fprintf(stderr, "Please install ghostscript and make sure 'gs' "
-            "is in the PATH.\n");
-  exit(1);
+	char *argv[16];
+	char gvenv[256];
+	int d_null = open("/dev/null", O_WRONLY);
+
+	dup2(d_null, STDOUT_FILENO);
+
+	snprintf(gvenv, sizeof(gvenv), "GHOSTVIEW=%d %d", 
+		(int) fl_xid(window()), (int) offscreen);
+
+	putenv(gvenv);
+	argv[0] = "gs";
+	argv[1] = "-dSAFER";
+	argv[2] = "-dQUIET";
+	argv[3] = "-sDEVICE=x11alpha";
+	argv[4] = "-dNOPLATFONTS";
+	argv[5] = "-dNOPAUSE";
+	argv[6] = "-";
+	argv[7] = NULL;
+	execvp(argv[0], argv);
+	perror("exec");
+	fprintf(stderr, "Please install ghostscript and make sure 'gs' "
+		"is in the PATH.\n");
+	exit(1);
 }
 
 int GsWidget::reload() {
-  if (in_fd >= 0) {
-    if (dsc) {
-      load_page(page);
-    } else {
-      load();
-    }
-    return 0;
-  } else {
-    return 1;
-  }
+	if (in_fd >= 0) {
+		if (dsc) {
+			load_page(page);
+		} else {
+			load();
+		}
+		return 0;
+	} else {
+		return 1;
+	}
 }
-    
+
 int GsWidget::next() {
-  if (dsc) {
-    load_page(page + 1);
-  } else {
-    if (!gs_active()) {
-      return 1;
-    } else {
-      fl_cursor(FL_CURSOR_WAIT);
-
-      XEvent e;
-      e.xclient.type = ClientMessage;
-      e.xclient.display = fl_display;
-      e.xclient.window = gs_win;
-      e.xclient.message_type = atoms[2];
-      e.xclient.format = 32;
-
-      XSendEvent(fl_display, gs_win, false, 0, &e);
-      XFlush(fl_display);
-    }
-  }
-
-  return 0;
+	if (dsc) {
+		load_page(page + 1);
+	} else {
+		if (!gs_active()) {
+			return 1;
+		} else {
+			fl_cursor(FL_CURSOR_WAIT);
+
+			XEvent e;
+			e.xclient.type = ClientMessage;
+			e.xclient.display = fl_display;
+			e.xclient.window = gs_win;
+			e.xclient.message_type = atoms[2];
+			e.xclient.format = 32;
+
+			XSendEvent(fl_display, gs_win, false, 0, &e);
+			XFlush(fl_display);
+		}
+	}
+
+	return 0;
 }
 
 int GsWidget::prev() {
-  if (dsc) {
-    load_page(page - 1);
-    return 0;
-  } else {
-    return 1;
-  }
+	if (dsc) {
+		load_page(page - 1);
+		return 0;
+	} else {
+		return 1;
+	}
 }
 
 int GsWidget::handleX11(int ev) {
-  if (fl_xevent->type == ClientMessage) {
-    gs_win = fl_xevent->xclient.data.l[0];
-    
-    if(fl_xevent->xclient.message_type == atoms[3]) { // PAGE received
-      damage(FL_DAMAGE_ALL);
-      fl_cursor(FL_CURSOR_DEFAULT);
-      if (dsc) {
-        kill_gs();
-      } else {
-        page++;
-      }
-    } else if(fl_xevent->xclient.message_type == atoms[4] ) {
-      if (!dsc) {
-        reload();                            // go back to page 1 
-      }
-    }
-    return 1;
-  }
-  return 0;
+	if (fl_xevent->type == ClientMessage) {
+		gs_win = fl_xevent->xclient.data.l[0];
+
+		if(fl_xevent->xclient.message_type == atoms[3]) { // PAGE received
+			damage(FL_DAMAGE_ALL);
+			fl_cursor(FL_CURSOR_DEFAULT);
+			if (dsc) {
+				kill_gs();
+			} else {
+				page++;
+			}
+		} else if(fl_xevent->xclient.message_type == atoms[4] ) {
+			if (!dsc) {
+				reload();                            // go back to page 1 
+			}
+		}
+		return 1;
+	}
+	return 0;
 }
 
 int GsWidget::get_page() {
-  return page;
+	return page;
 }
 
 int GsWidget::zoom(int p) {
-  zoom_percent = p;
-
-  kill_gs();
-  
-  if (offscreen) {
-    // Clear widget with current size
-    fl_begin_offscreen(offscreen);
-    fl_color(FL_WHITE);
-    fl_rectf(0, 0, w(), h());
-    fl_end_offscreen();
-    redraw();
-
-    fl_delete_offscreen(offscreen);
-    offscreen = 0;
-  }
-
-  w(initial_width * zoom_percent / 100);
-  h(initial_height * zoom_percent / 100);
-
-  xdpi = 75 * zoom_percent / 100;
-  ydpi = 75 * zoom_percent / 100;
-  reload();
-
-  return 0;
+	zoom_percent = p;
+
+	kill_gs();
+
+	if (offscreen) {
+		// Clear widget with current size
+		fl_begin_offscreen(offscreen);
+		fl_color(FL_WHITE);
+		fl_rectf(0, 0, w(), h());
+		fl_end_offscreen();
+		redraw();
+
+		fl_delete_offscreen(offscreen);
+		offscreen = 0;
+	}
+
+	w(initial_width * zoom_percent / 100);
+	h(initial_height * zoom_percent / 100);
+
+	xdpi = 75 * zoom_percent / 100;
+	ydpi = 75 * zoom_percent / 100;
+	reload();
+
+	return 0;
 }
 
 int
 GsWidget::get_pages() {
-  if (dsc) {
-    return dsc->get_pages();
-  } else {
-    return 0;
-  }
+	if (dsc) {
+		return dsc->get_pages();
+	} else {
+		return 0;
+	}
 }