From 7320103ce09081bd91399522a4eb003c58289679 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Mon, 8 Jun 2009 09:37:53 +0200
Subject: [PATCH] Cosmetics.

Better handling of the attribute in color and monochrome modes.
---
 REVISION_NUMBER |  2 +-
 selector.cc     | 89 ++++++++++++++++++++-----------------------------
 2 files changed, 38 insertions(+), 53 deletions(-)

diff --git a/REVISION_NUMBER b/REVISION_NUMBER
index fa8f08c..1b9cba4 100644
--- a/REVISION_NUMBER
+++ b/REVISION_NUMBER
@@ -1 +1 @@
-150
+151
diff --git a/selector.cc b/selector.cc
index a62d352..a22329c 100644
--- a/selector.cc
+++ b/selector.cc
@@ -64,6 +64,8 @@ int error_flash = 0;
 #define COLOR_HIGHLIGHTED_LINE 2
 #define COLOR_ERROR 3
 
+int attr_modeline, attr_highlighted_line, attr_error;
+
 //////////////////////////////////////////////////////////////////////
 
 void inject_into_tty_buffer(char *string) {
@@ -125,18 +127,6 @@ void error_feedback() {
   }
 }
 
-void print_error_message(const char *message, int width) {
-  if(with_colors) {
-    attron(COLOR_PAIR(COLOR_ERROR));
-    addnstr(message, width);
-    attroff(COLOR_PAIR(COLOR_ERROR));
-  } else {
-    attron(A_STANDOUT);
-    addnstr(message, width);
-    attroff(A_STANDOUT);
-  }
-}
-
 //////////////////////////////////////////////////////////////////////
 // A quick and dirty hash table
 
@@ -367,7 +357,9 @@ void update_screen(int *current_line, int *temporary_line, int motion,
   addstr("\n");
 
   if(matcher.regexp_error) {
-    print_error_message("[regexp error]", console_width);
+    attron(attr_error);
+    addnstr("[regexp error]", console_width);
+    attroff(attr_error);
   } else if(nb_lines > 0) {
     int new_line;
     if(match(lines[*current_line], &matcher)) {
@@ -463,15 +455,9 @@ void update_screen(int *current_line, int *temporary_line, int motion,
           // Highlight the highlighted line ...
 
           if(l == new_line) {
-            if(with_colors) {
-              attron(COLOR_PAIR(COLOR_HIGHLIGHTED_LINE));
-              addnstr(buffer, console_width);
-              attroff(COLOR_PAIR(COLOR_HIGHLIGHTED_LINE));
-            } else {
-              attron(A_STANDOUT);
-              addnstr(buffer, console_width);
-              attroff(A_STANDOUT);
-            }
+            attron(attr_highlighted_line);
+            addnstr(buffer, console_width);
+            attroff(attr_highlighted_line);
           } else {
             addnstr(buffer, console_width);
           }
@@ -488,10 +474,14 @@ void update_screen(int *current_line, int *temporary_line, int motion,
     *temporary_line = new_line;
 
     if(nb_printed_lines == 0) {
-      print_error_message("[no selection]\n", console_width);
+      attron(attr_error);
+      addnstr("[no selection]", console_width);
+      attroff(attr_error);
     }
   } else {
-    print_error_message("[empty choice]\n", console_width);
+    attron(attr_error);
+    addnstr("[empty choice]", console_width);
+    attroff(attr_error);
   }
 
   clrtobot();
@@ -500,11 +490,7 @@ void update_screen(int *current_line, int *temporary_line, int motion,
 
   move(0, 0);
 
-  if(with_colors) {
-    attron(COLOR_PAIR(COLOR_MODELINE));
-  } else {
-    attron(A_REVERSE);
-  }
+  attron(attr_modeline);
 
   for(int k = 0; k < console_width; k++) buffer[k] = ' ';
   buffer[console_width] = '\0';
@@ -553,11 +539,7 @@ void update_screen(int *current_line, int *temporary_line, int motion,
 
   move(0, cursor_x);
 
-  if(with_colors) {
-    attroff(COLOR_PAIR(COLOR_MODELINE));
-  } else {
-    attroff(A_REVERSE);
-  }
+  attroff(attr_modeline);
 
   // We are done
 
@@ -901,29 +883,32 @@ int main(int argc, char **argv) {
   // So that the arrow keys work
   keypad(stdscr, TRUE);
 
-  if(with_colors) {
+  attr_error = A_STANDOUT;
+  attr_modeline = A_REVERSE;
+  attr_highlighted_line = A_STANDOUT;
 
-    if(has_colors()) {
+  if(with_colors && has_colors()) {
 
-      start_color();
+    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 ||
-         color_bg_highlight < 0 || color_bg_highlight >= COLORS) {
-        echo();
-        endwin();
-        cerr << "Color numbers have to be between 0 and " << COLORS - 1 << "." << endl;
-        exit(1);
-      }
+    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 ||
+       color_bg_highlight < 0 || color_bg_highlight >= COLORS) {
+      echo();
+      endwin();
+      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_HIGHLIGHTED_LINE, color_fg_highlight, color_bg_highlight);
-      init_pair(COLOR_ERROR, COLOR_WHITE, COLOR_RED);
+    init_pair(COLOR_MODELINE, color_fg_modeline, color_bg_modeline);
+    init_pair(COLOR_HIGHLIGHTED_LINE, color_fg_highlight, color_bg_highlight);
+    init_pair(COLOR_ERROR, COLOR_WHITE, COLOR_RED);
+
+    attr_modeline = COLOR_PAIR(COLOR_MODELINE);
+    attr_highlighted_line = COLOR_PAIR(COLOR_HIGHLIGHTED_LINE);
+    attr_error = COLOR_PAIR(COLOR_ERROR);
 
-    } else {
-      with_colors = 0;
-    }
   }
 
   int key;
-- 
2.20.1