Automatic commit

[selector.git] / selector.cc

diff --git a/selector.cc b/selector.cc
index 0865015..8616f1c 100644 (file)
--- a/selector.cc
+++ b/selector.cc
@@ -41,12 +41,15 @@
 
 using namespace std;
 
+#define VERSION "1.0"
+
 // Yeah, global variables!
 
 int buffer_size = 1024;
-int nb_lines_max = 1000;
+int nb_lines_max = 10000;
 char pattern_separator = ';';
 int output_to_vt_buffer = 0;
+int with_colors = 0;
 
 //////////////////////////////////////////////////////////////////////
 
@@ -229,9 +232,15 @@ void update_screen(int *current_line, int *temporary_line, int motion,
         // Highlight the highlighted line ...
 
         if(l == new_line) {
-          attron(COLOR_PAIR(2));
-          addnstr(buffer, console_width);
-          attroff(COLOR_PAIR(2));
+          if(with_colors) {
+            attron(COLOR_PAIR(2));
+            addnstr(buffer, console_width);
+            attroff(COLOR_PAIR(2));
+          } else {
+            attron(A_STANDOUT);
+            addnstr(buffer, console_width);
+            attroff(A_STANDOUT);
+          }
         } else {
           addnstr(buffer, console_width);
         }
@@ -274,9 +283,15 @@ void update_screen(int *current_line, int *temporary_line, int motion,
   buffer[console_width] = '\0';
 
   move(0, 0);
-  attron(COLOR_PAIR(1));
-  addnstr(buffer, console_width);
-  attroff(COLOR_PAIR(1));
+  if(with_colors) {
+    attron(COLOR_PAIR(1));
+    addnstr(buffer, console_width);
+    attroff(COLOR_PAIR(1));
+  } else {
+    attron(A_REVERSE);
+    addnstr(buffer, console_width);
+    attroff(A_REVERSE);
+  }
 
   // We are done
 
@@ -289,6 +304,7 @@ int main(int argc, char **argv) {
   char buffer[buffer_size];
   char *lines[nb_lines_max];
   int no_blink = 0;
+  int theme = 0;
 
   char input_filename[buffer_size], output_filename[buffer_size];
   strcpy(input_filename, "");
@@ -330,11 +346,22 @@ int main(int argc, char **argv) {
       i += 2;
     }
 
+    else if(strcmp(argv[i], "-t") == 0) {
+      check_opt(argc, argv, i, 1, "<color theme number>");
+      theme = atoi(argv[i+1]);
+      i += 2;
+    }
+
     else {
-      cerr << argv[0]
+      cerr << "Selector version " << VERSION
+           << endl
+           << "Written by Francois Fleuret <francois@fleuret.org>"
+           << endl
+           << argv[0]
            << " [-h]"
            << " [-b]"
            << " [-v]"
+           << " [-t <color theme number>]"
            << " [-o <output filename>]"
            << " [-s <pattern separator>]"
            << " [-l <max number of lines>]"
@@ -356,7 +383,7 @@ int main(int argc, char **argv) {
   ifstream file(input_filename);
 
   if(file.fail()) {
-    cerr << "Can not open \"" << input_filename << "\"" << endl;
+    cerr << "Can not open " << input_filename << endl;
     return 1;
   }
 
@@ -375,22 +402,27 @@ int main(int argc, char **argv) {
 
   initscr();
 
-  if(!has_colors()) {
-    cerr << "No colors." << endl;
-    return 1;
+  if(has_colors()) {
+    with_colors = 1;
+    start_color();
+    switch(theme) {
+    default:
+    case 0:
+      init_pair(1, COLOR_WHITE, COLOR_GREEN);
+      init_pair(2, COLOR_BLACK, COLOR_YELLOW);
+      break;
+    case 1:
+      init_pair(1, COLOR_BLACK, COLOR_GREEN);
+      init_pair(2, COLOR_BLACK, COLOR_YELLOW);
+      break;
+    }
   }
 
   noecho();
-  curs_set(0);
-  keypad(stdscr, TRUE);
-
-  start_color();
-  // init_pair(1, COLOR_WHITE, COLOR_BLACK);
-  init_pair(1, COLOR_WHITE, COLOR_GREEN);
-  init_pair(2, COLOR_BLACK, COLOR_YELLOW);
+  curs_set(0); // Hide the cursor
+  keypad(stdscr, TRUE); // So that the arrow keys work
 
   int key;
-
   int current_line = 0, temporary_line = 0;
 
   update_screen(&current_line, &temporary_line, 0, nb_lines, lines, patterns, no_blink);
@@ -447,7 +479,7 @@ int main(int argc, char **argv) {
 
   if((key == KEY_ENTER || key == '\n') && temporary_line >= 0 && temporary_line < nb_lines) {
     if(output_to_vt_buffer) {
-      char *tty = ttyname (STDIN_FILENO);
+      char *tty = ttyname(STDIN_FILENO);
       int fd = open(tty, O_WRONLY);
 
       struct termios oldtio, newtio;
@@ -486,5 +518,8 @@ int main(int argc, char **argv) {
     delete[] lines[l];
   }
 
+  curs_set(1);
+  endwin();
+
   exit(0);
 }