add option to suppress banner

src/cui.cpp

@@ -48,6 +48,7 @@ extern bool sortRecv;
 extern int viewMode;
 extern bool showcommandline;
 extern bool showBasename;
+extern bool suppressBanner;
 
 extern unsigned refreshlimit;
 extern unsigned refreshcount;
@@ -347,6 +348,7 @@ void show_ncurses(Line *lines[], int nproc) {
   int rows;             // number of terminal rows
   int cols;             // number of terminal columns
   unsigned int proglen; // max length of the "PROGRAM" column
+  int bannerheight = 0;	// used to place table below banner, if present
 
   double sent_global = 0;
   double recv_global = 0;
@@ -369,9 +371,12 @@ void show_ncurses(Line *lines[], int nproc) {
   proglen = cols - 50 - devlen;
 
   erase();
-  mvprintw(0, 0, "%s", caption->c_str());
+  if (!suppressBanner) {
+    mvprintw(0, 0, "%s", caption->c_str());
+    bannerheight = 2;
+  }
   attron(A_REVERSE);
-  mvprintw(2, 0,
+  mvprintw(bannerheight, 0,
            "    PID USER     %-*.*s  %-*.*s       SENT      RECEIVED       ",
            proglen, proglen, "PROGRAM", devlen, devlen, "DEV");
   attroff(A_REVERSE);
@@ -380,16 +385,16 @@ void show_ncurses(Line *lines[], int nproc) {
   int i;
   for (i = 0; i < nproc; i++) {
     if (i + 3 < rows)
-      lines[i]->show(i + 3, proglen, devlen);
+      lines[i]->show(i + bannerheight + 1, proglen, devlen);
     recv_global += lines[i]->recv_value;
     sent_global += lines[i]->sent_value;
     delete lines[i];
   }
   attron(A_REVERSE);
-  int totalrow = std::min(rows - 1, 3 + 1 + i);
+  int totalrow = std::min(rows - 3, 2 + i) + bannerheight;
   mvprintw(totalrow, 0, "  TOTAL        %-*.*s %-*.*s    %11.3f %11.3f ",
            proglen, proglen, "", devlen, devlen, "", sent_global, recv_global);
-  mvprintw(3 + 1 + i, cols - COLUMN_WIDTH_UNIT, "%s", desc_view_mode[viewMode]);
+  mvprintw(2 + i + bannerheight, cols - COLUMN_WIDTH_UNIT, "%s", desc_view_mode[viewMode]);
   attroff(A_REVERSE);
   mvprintw(totalrow + 1, 0, "%s", "");
   refresh();

src/main.cpp

@@ -60,6 +60,7 @@ static void help(bool iserror) {
   output << "		device : device(s) to monitor. default is all "
             "interfaces up and running excluding loopback\n";
   output << "		-P : Show only processes.\n";
+  output << "		-q : suppress banner\n";
   output << std::endl;
   output << "When nethogs is running, press:\n";
   output << " q: quit\n";
@@ -153,7 +154,7 @@ int main(int argc, char **argv) {
   int garbage_collection_period = 50;
 
   int opt;
-  while ((opt = getopt(argc, argv, "Vhxtpsd:v:c:laf:Cbg:P:")) != -1) {
+  while ((opt = getopt(argc, argv, "Vhxtpsd:v:c:laf:Cbg:P:q")) != -1) {
     switch (opt) {
     case 'V':
       versiondisplay();
@@ -204,6 +205,9 @@ int main(int argc, char **argv) {
     case 'P':
       pidsToWatch.insert((pid_t)atoi(optarg));
       break;
+    case 'q':
+      suppressBanner = true;
+      break;
     default:
       help(true);
       exit(EXIT_FAILURE);

src/nethogs.cpp

@@ -61,6 +61,7 @@ bool bughuntmode = false;
 bool sortRecv = true;
 bool showcommandline = false;
 bool showBasename = false;
+bool suppressBanner = false;
 // viewMode: kb/s or total
 int viewMode = VIEWMODE_KBPS;
 const char version[] = " version " VERSION;