X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=selector.cc;h=a1b5b119a35eb36da41b944a695183213f207ab7;hb=c04bae20d28e2a15fff43974aa0804f425c65db2;hp=4950c9087bbc02780501676a8d1467807b791a43;hpb=6bfacc5594cad8647f454cc3aab15068663d7bbb;p=selector.git

diff --git a/selector.cc b/selector.cc
index 4950c90..a1b5b11 100644
--- a/selector.cc
+++ b/selector.cc
@@ -107,6 +107,10 @@ int string_to_positive_integer(char *string) {
   return result;
 }
 
+void error_feedback() {
+  flash();
+}
+
 //////////////////////////////////////////////////////////////////////
 // A quick and dirty hash table
 
@@ -243,7 +247,7 @@ void delete_char(char *buffer, int *position) {
       buffer[c] = buffer[c+1];
       c++;
     }
-  }
+  } else error_feedback();
 }
 
 void backspace_char(char *buffer, int *position) {
@@ -259,7 +263,7 @@ void backspace_char(char *buffer, int *position) {
     }
 
     (*position)--;
-  }
+  } else error_feedback();
 }
 
 void insert_char(char *buffer, int *position, char character) {
@@ -275,7 +279,7 @@ void insert_char(char *buffer, int *position, char character) {
     c++;
     buffer[c] = '\0';
     buffer[(*position)++] = character;
-  }
+  } else error_feedback();
 }
 
 void kill_before_cursor(char *buffer, int *position) {
@@ -773,11 +777,6 @@ int main(int argc, char **argv) {
     hash_table = new_hash_table(hash_table_size);
   }
 
-  // if(i == argc && !input_filename[0]) {
-    // cerr << "You must provide a filename." << endl;
-    // exit(1);
-  // }
-
   if(input_filename[0]) {
     read_file(input_filename,
               nb_lines_max, &nb_lines, lines,
@@ -828,8 +827,11 @@ int main(int argc, char **argv) {
   keypad(stdscr, TRUE);
 
   if(with_colors) {
+
     if(has_colors()) {
+
       start_color();
+
       if(color_fg_modeline < 0  || color_fg_modeline >= COLORS ||
          color_bg_modeline < 0  || color_bg_modeline >= COLORS ||
          color_fg_highlight < 0 || color_bg_highlight >= COLORS ||
@@ -839,8 +841,10 @@ int main(int argc, char **argv) {
         cerr << "Color numbers have to be between 0 and " << COLORS - 1 << "." << endl;
         exit(1);
       }
-      init_pair(COLOR_MODELINE , color_fg_modeline, color_bg_modeline);
+
+      init_pair(COLOR_MODELINE, color_fg_modeline, color_bg_modeline);
       init_pair(COLOR_HIGHLIGHTED_LINE, color_fg_highlight, color_bg_highlight);
+
     } else {
       with_colors = 0;
     }
@@ -901,11 +905,13 @@ int main(int argc, char **argv) {
     else if(key == KEY_LEFT ||
             key == '\002') { // ^B
       if(cursor_position > 0) cursor_position--;
+      else error_feedback();
     }
 
     else if(key == KEY_RIGHT ||
             key == '\006') { // ^F
       if(pattern[cursor_position]) cursor_position++;
+      else error_feedback();
     }
 
     else if(key == '\001') { // ^A