Add basic color support

[pkg/abook.git] / ui.c

diff --git a/ui.c b/ui.c
index 7c71eb977a38af73aaf926f92fec68255b198aa7..69fb71d3de3154329951b23ced1d24a390023899 100644 (file)
--- a/ui.c
+++ b/ui.c
@@ -25,6 +25,7 @@
 #include "options.h"
 #include "filter.h"
 #include "xmalloc.h"
+#include "color.h"
 #ifdef HAVE_CONFIG_H
 #      include "config.h"
 #endif
@@ -38,8 +39,6 @@
  * external variables
  */
 
-extern int curitem;
-extern int items;
 extern char *datafile;
 
 extern bool alternative_datafile;
@@ -132,6 +131,57 @@ ui_init_curses()
        nonl();
        intrflush(stdscr, FALSE);
        keypad(stdscr, TRUE);
+       if(opt_get_bool(BOOL_USE_COLORS)) {
+               start_color();
+               use_default_colors();
+               ui_init_color_pairs_user();
+       }
+}
+
+
+#define CHECK_COLOR_NAME(value, name, DEFNAME) \
+       if(!strcmp((name), (value))){ \
+               return DEFNAME; \
+       }
+short
+opt_color_to_color(enum str_opts enum_name)
+{
+       char* name = opt_get_str(enum_name);
+       CHECK_COLOR_NAME(name, "default", COLOR_DEFAULT)
+       else CHECK_COLOR_NAME(name, "black", COLOR_BLACK)
+       else CHECK_COLOR_NAME(name, "red", COLOR_RED)
+       else CHECK_COLOR_NAME(name, "green", COLOR_GREEN)
+       else CHECK_COLOR_NAME(name, "yellow", COLOR_YELLOW)
+       else CHECK_COLOR_NAME(name, "blue", COLOR_BLUE)
+       else CHECK_COLOR_NAME(name, "magenta", COLOR_MAGENTA)
+       else CHECK_COLOR_NAME(name, "cyan", COLOR_CYAN)
+       else CHECK_COLOR_NAME(name, "white", COLOR_WHITE)
+    else return COLOR_DEFAULT;
+}
+
+void
+ui_init_color_pairs_user()
+{
+       init_pair(CP_HEADER, opt_color_to_color(STR_COLOR_HEADER_FG),
+                            opt_color_to_color(STR_COLOR_HEADER_BG));
+       init_pair(CP_FOOTER, opt_color_to_color(STR_COLOR_FOOTER_FG),
+                            opt_color_to_color(STR_COLOR_FOOTER_BG));
+       init_pair(CP_LIST_EVEN, opt_color_to_color(STR_COLOR_LIST_EVEN_FG),
+                               opt_color_to_color(STR_COLOR_LIST_EVEN_BG));
+       init_pair(CP_LIST_ODD,  opt_color_to_color(STR_COLOR_LIST_ODD_FG),
+                               opt_color_to_color(STR_COLOR_LIST_ODD_BG));
+       init_pair(CP_LIST_HEADER, opt_color_to_color(STR_COLOR_LIST_HEADER_FG),
+                            opt_color_to_color(STR_COLOR_LIST_HEADER_BG));
+       init_pair(CP_LIST_HIGHLIGHT, opt_color_to_color(STR_COLOR_LIST_HIGHLIGHT_FG),
+                            opt_color_to_color(STR_COLOR_LIST_HIGHLIGHT_BG));
+       init_pair(CP_TAB_BORDER, opt_color_to_color(STR_COLOR_TAB_BORDER_FG),
+                            opt_color_to_color(STR_COLOR_TAB_BORDER_BG));
+       init_pair(CP_TAB_LABEL, opt_color_to_color(STR_COLOR_TAB_LABEL_FG),
+                            opt_color_to_color(STR_COLOR_TAB_LABEL_BG));
+       init_pair(CP_FIELD_NAME, opt_color_to_color(STR_COLOR_FIELD_NAME_FG),
+                            opt_color_to_color(STR_COLOR_FIELD_NAME_BG));
+       init_pair(CP_FIELD_VALUE, opt_color_to_color(STR_COLOR_FIELD_VALUE_FG),
+                            opt_color_to_color(STR_COLOR_FIELD_VALUE_BG));
 }
 
 int
@@ -181,6 +231,8 @@ headerline(const char *str)
 {
        werase(top);
 
+       wattrset(top, COLOR_PAIR(CP_HEADER));
+       mvwhline(top, 0, 0, ' ', COLS);
        mvwhline(top, 1, 0, UI_HLINE_CHAR, COLS);
 
        mvwprintw(top, 0, 0, "%s | %s", PACKAGE " " VERSION, str);
@@ -307,7 +359,7 @@ statusline_askchoice(const char *msg, const char *choices, short dflt)
 }
 
 char *
-ui_readline(char *prompt, char *s, size_t limit, bool use_completion)
+ui_readline(const char *prompt, char *s, size_t limit, bool use_completion)
 {
        int y, x;
        char *ret;
@@ -328,7 +380,7 @@ ui_readline(char *prompt, char *s, size_t limit, bool use_completion)
 }
 
 int
-statusline_ask_boolean(char *msg, int def)
+statusline_ask_boolean(const char *msg, int def)
 {
        int ret;
        char *msg2 = strconcat(msg,  def ? _(" (Y/n)?") : _(" (y/N)?"), NULL);
@@ -357,6 +409,7 @@ refresh_statusline()
 {
        werase(bottom);
 
+       wattrset(bottom, COLOR_PAIR(CP_FOOTER));
        mvwhline(bottom, 0, 0, UI_HLINE_CHAR, COLS);
 
        refresh();
@@ -364,7 +417,7 @@ refresh_statusline()
 }
 
 char *
-ask_filename(char *prompt)
+ask_filename(const char *prompt)
 {
        char *buf = NULL;
 
@@ -434,7 +487,6 @@ display_help(int help)
  */
 
 extern char *selected;
-extern int curitem;
 
 void
 get_commands()
@@ -455,7 +507,7 @@ get_commands()
                        case 'q': return;
                        case 'Q': quit_abook(QUIT_DONTSAVE);    break;
                        case 'P': print_stderr(selected_items() ?
-                                                 -1 : list_current_item());
+                                                 -1 : list_get_curitem());
                                  return;
                        case '?':
                                  display_help(HELP_MAIN);
@@ -499,8 +551,8 @@ get_commands()
                        case '/': ui_find(0);           break;
                        case '\\': ui_find(1);          break;
 
-                       case ' ': if(curitem >= 0) {
-                                  selected[curitem] = !selected[curitem];
+                       case ' ': if(list_get_curitem() >= 0) {
+                                  list_invert_curitem_selection();
                                   ui_print_number_of_items();
                                   refresh_list();
                                  }
@@ -520,13 +572,13 @@ get_commands()
                                break;
 
                        case 'm': launch_mutt(selected_items() ?
-                                                 -1 : list_current_item());
+                                                 -1 : list_get_curitem());
                                  refresh_screen();
                                  break;
 
                        case 'p': ui_print_database(); break;
 
-                       case 'v': launch_wwwbrowser(list_current_item());
+                       case 'v': launch_wwwbrowser(list_get_curitem());
                                  refresh_screen();
                                  break;
                }
@@ -570,17 +622,22 @@ ui_find(int next)
        } else {
                char *s;
                s = ui_readline("/", findstr, MAX_FIELD_LEN - 1, 0);
-               strncpy(findstr, s, MAX_FIELD_LEN);
-               free(s);
                refresh_screen();
+               if(s == NULL) {
+                       return; /* user cancelled (ctrl-G) */
+               } else {
+                       strncpy(findstr, s, MAX_FIELD_LEN);
+                       free(s);
+               }
        }
 
-       if( (item = find_item(findstr, curitem + !!next, search_fields)) < 0 &&
+       if( (item = find_item(findstr, list_get_curitem() + !!next,
+                       search_fields)) < 0 &&
                        (item = find_item(findstr, 0, search_fields)) >= 0)
                statusline_addstr(_("Search hit bottom, continuing at top"));
 
        if(item >= 0) {
-               curitem = item;
+               list_set_curitem(item);
                refresh_list();
        }
 }
@@ -588,8 +645,10 @@ ui_find(int next)
 void
 ui_print_number_of_items()
 {
-       char *str = strdup_printf("     " "|%3d/%3d", selected_items(), items);
+       char *str = strdup_printf("     " "|%3d/%3d",
+               selected_items(), db_n_items());
 
+       attrset(COLOR_PAIR(CP_HEADER));
        mvaddstr(0, COLS-strlen(str), str);
 
        free(str);
@@ -600,7 +659,7 @@ ui_read_database()
 {
        char *msg;
 
-       if(items > 0) {
+       if(!list_is_empty()) {
                msg = strdup_printf(_("Your current data will be lost - "
                                "Press '%c' to continue"),
                                *(S_("keybinding for yes|y")));
@@ -675,7 +734,7 @@ ui_open_datafile()
 
        load_database(filename);
 
-       if(items == 0) {
+       if(list_is_empty()) {
                statusline_msg(_("Sorry, the specified file appears not to be a valid abook addressbook"));
                load_database(datafile);
        } else {