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[pkg/abook.git] / ui.c
diff --git a/ui.c b/ui.c
index d99397d4085a33747bc8ccd39e3a1f82c921a786..e8798858270654eeccb9daa5a6dbee2e0b1479e9 100644 (file)
--- a/ui.c
+++ b/ui.c
 #include <signal.h>
 #include <ctype.h>
 #include "abook.h"
+#include <assert.h>
 #include "ui.h"
 #include "edit.h"
 #include "database.h"
+#include "gettext.h"
 #include "list.h"
 #include "misc.h"
 #include "options.h"
 #include "filter.h"
+#include "xmalloc.h"
+#include "color.h"
+#include <sys/time.h>
 #ifdef HAVE_CONFIG_H
 #      include "config.h"
 #endif
-#ifdef HAVE_TERMIOS_H
-#      include <termios.h>
-#else
-#      ifdef HAVE_LINUX_TERMIOS_H
-#              include <linux/termios.h>
-#      endif
-#endif
 #ifdef HAVE_SYS_IOCTL_H
 #      include <sys/ioctl.h>
 #endif
  * external variables
  */
 
-extern int items, curitem;
 extern char *datafile;
 
-extern int alternative_datafile;
+extern bool alternative_datafile;
 
 /*
  * internal variables
  */
 
-bool ui_initialized = FALSE;
+static bool ui_initialized = FALSE;
 
-bool should_resize = FALSE;
-bool can_resize = FALSE;
+static bool should_resize = FALSE;
+static bool can_resize = FALSE;
+static struct timeval last_click_time;
+static int double_click_interval = 200; /* maximum time in milliseconds */
 
-WINDOW *top = NULL, *bottom = NULL;
+static WINDOW *top = NULL, *bottom = NULL;
 
 
 static void
 init_windows()
 {
        top = newwin(LIST_TOP - 1, COLS, 0, 0);
-
        bottom = newwin(LINES - LIST_BOTTOM, COLS, LIST_BOTTOM, 0);
 }
 
@@ -82,13 +80,13 @@ resize_abook()
 #ifdef TIOCGWINSZ
        struct winsize winsz;
 
-       ioctl (0, TIOCGWINSZ, &winsz);
+       ioctl(0, TIOCGWINSZ, &winsz);
 #ifdef DEBUG
        if(winsz.ws_col >= MIN_COLS && winsz.ws_row >= MIN_LINES) {
                fprintf(stderr, "Warning: COLS=%d, LINES=%d\n", winsz.ws_col, winsz.ws_row);
        }
 #endif
-               
+
        if(winsz.ws_col >= MIN_COLS && winsz.ws_row >= MIN_LINES) {
 #ifdef HAVE_RESIZETERM
                resizeterm(winsz.ws_row, winsz.ws_col);
@@ -112,10 +110,10 @@ resize_abook()
 static void
 win_changed(int i)
 {
-       if( can_resize )
+       if(can_resize)
                resize_abook();
        else
-               should_resize = TRUE;   
+               should_resize = TRUE;
 }
 #endif /* SIGWINCH */
 
@@ -135,7 +133,92 @@ ui_init_curses()
        noecho();
        nonl();
        intrflush(stdscr, FALSE);
+       if(opt_get_bool(BOOL_USE_MOUSE)) {
+               mouseinterval(0);
+               timerclear(&last_click_time);
+               ui_enable_mouse(TRUE);
+       }
        keypad(stdscr, TRUE);
+       if(opt_get_bool(BOOL_USE_COLORS) && has_colors()) {
+               start_color();
+               use_default_colors();
+               ui_init_color_pairs_user();
+       }
+}
+
+void
+ui_enable_mouse(bool enabled)
+{
+       mmask_t mask;
+       if(enabled) {
+               mask = BUTTON1_CLICKED | BUTTON4_PRESSED;
+#if NCURSES_MOUSE_VERSION == 2
+               mask |= BUTTON5_PRESSED;
+#endif
+       } else {
+               mask = 0;
+       }
+       mousemask(mask, NULL);
+}
+
+/** Check the time elapsed since last click and tell if it should be
+ * interpreted as a double click
+ */
+static bool
+was_double_click() {
+       struct timeval click_time, click_diff, maxdiff;
+       maxdiff.tv_sec = double_click_interval / 1000;
+       maxdiff.tv_usec = (double_click_interval % 1000)*1000;
+       gettimeofday(&click_time, NULL);
+
+       timersub(&click_time, &last_click_time, &click_diff);
+       last_click_time = click_time;
+       return !timercmp(&click_diff, &maxdiff, >);
+}
+
+#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
@@ -148,22 +231,22 @@ init_ui()
 #endif
        if( LINES < MIN_LINES || COLS < MIN_COLS ) {
                clear(); refresh(); endwin();
-               fprintf(stderr, "Your terminal size is %dx%d\n", COLS, LINES);
-               fprintf(stderr, "Terminal is too small. Minium terminal size "
-                               "for abook is "
-                               "%dx%d\n", MIN_COLS, MIN_LINES);
+               fprintf(stderr, _("Your terminal size is %dx%d\n"), COLS, LINES);
+               fprintf(stderr, _("Terminal is too small. Minimum terminal "
+                               "size for abook is "
+                               "%dx%d\n"), MIN_COLS, MIN_LINES);
                return 1;
        }
 
-#ifdef SIGWINCH
-       signal(SIGWINCH, win_changed);
-#endif
-
        init_list();
        init_windows();
 
        ui_initialized = TRUE;
 
+#ifdef SIGWINCH
+       signal(SIGWINCH, win_changed);
+#endif
+
        return 0;
 }
 
@@ -181,10 +264,12 @@ close_ui()
 
 
 void
-headerline(char *str)
+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);
@@ -198,7 +283,7 @@ void
 refresh_screen()
 {
 #ifdef SIGWINCH
-       if( should_resize ) {
+       if(should_resize) {
                resize_abook();
                return;
        }
@@ -206,7 +291,7 @@ refresh_screen()
        clear();
 
        refresh_statusline();
-       headerline(MAIN_HELPLINE);
+       headerline(gettext(MAIN_HELPLINE));
        list_headerline();
 
        refresh_list();
@@ -214,10 +299,10 @@ refresh_screen()
 
 
 int
-statusline_msg(char *msg)
+statusline_msg(const char *msg)
 {
        int c;
-       
+
        clear_statusline();
        statusline_addstr(msg);
        c = getch();
@@ -230,15 +315,88 @@ statusline_msg(char *msg)
 }
 
 void
-statusline_addstr(char *str)
+statusline_addstr(const char *str)
 {
        mvwaddstr(bottom, 1, 0, str);
        refresh();
        wrefresh(bottom);
 }
 
+/* Same as statusline_addstr(), but hilight "<str>" sequences if the terminal
+ * supports it */
+static void
+statusline_addhlstr(const char *str)
+{
+#if defined(A_BOLD) && defined(A_NORMAL) && defined(A_DIM)
+       const char *p = str, *start = str;
+       char *tmp;
+       int pos = 0;
+
+       while(1) {
+               if(!*p || strchr("<>", *p)) {
+                       if(p - start > 0) {
+                               wattrset(bottom, (*p == '>') ? A_BOLD : A_NORMAL);
+                               tmp = xstrndup(start, p - start);
+                               mvwaddstr(bottom, 1, pos, tmp);
+                               pos += strwidth(tmp);
+                               free(tmp);
+                       }
+                       if(*p) {
+                               start = p + 1;
+
+                               /* show tag markers */
+                               wattrset(bottom, A_DIM);
+                               mvwaddch(bottom, 1, pos++, *p);
+                       }
+               }
+
+               if(!*p) {
+                       wattrset(bottom, A_NORMAL);
+                       break;
+               }
+
+               p++;
+       }
+#else
+       mvwaddstr(bottom, 1, 0, str);
+#endif
+
+       refresh();
+       wrefresh(bottom);
+}
+
+int
+statusline_askchoice(const char *msg, const char *choices, short dflt)
+{
+       char *s;
+       int ch;
+
+       assert((dflt >= 0) && (dflt <= strlen(choices)));
+
+       if(dflt) {
+               s = strdup_printf("%s [%c]", msg, choices[dflt - 1]);
+               statusline_addhlstr(s);
+               free(s);
+       } else
+               statusline_addhlstr(msg);
+
+       while(1)
+       {
+               ch = tolower(getch());
+
+               if(ch == 7) /* ctrl+G */
+                       return 0;
+
+               if(dflt && (ch == '\r')) /* default choice */
+                       return dflt;
+
+               if((s = strchr(choices, ch)))
+                       return (s - choices + 1);
+       }
+}
+
 char *
-ui_readline(char *prompt, char *s, int limit, bool use_completion)
+ui_readline(const char *prompt, char *s, size_t limit, bool use_completion)
 {
        int y, x;
        char *ret;
@@ -247,56 +405,56 @@ ui_readline(char *prompt, char *s, int limit, bool use_completion)
 
        getyx(bottom, y, x);
 
-       ret = abook_readline(bottom, y, x, s, limit, use_completion);
+       ret = abook_readline(bottom, y, x, s, use_completion);
 
-       if(ret)
+       if(ret) {
                strtrim(ret);
+               if(strlen(ret) > limit && limit > 0)
+                       ret[limit] = '\0';
+       }
 
        return ret;
 }
 
 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);
+       char *msg2 = strconcat(msg,  def ? _(" (Y/n)?") : _(" (y/N)?"), NULL);
+       char ch;
 
        statusline_addstr(msg2);
 
        free(msg2);
 
-       switch( tolower(getch()) ) {
-               case 'n':
-                       ret = FALSE;
-                       break;
-               case 'y':
-                       ret = TRUE;
-                       break;
-               default:
-                       ret = def;
-                       break;
-       }
+       ch = tolower(getch());
+
+       if(ch == *(S_("keybinding for no|n")))
+               ret = FALSE;
+       else if(ch == *(S_("keybinding for yes|y")))
+               ret = TRUE;
+       else
+               ret = def;
 
        clear_statusline();
 
        return ret;
 }
 
-
 void
 refresh_statusline()
 {
        werase(bottom);
 
+       wattrset(bottom, COLOR_PAIR(CP_FOOTER));
        mvwhline(bottom, 0, 0, UI_HLINE_CHAR, COLS);
 
        refresh();
        wrefresh(bottom);
 }
 
-
 char *
-ask_filename(char *prompt)
+ask_filename(const char *prompt)
 {
        char *buf = NULL;
 
@@ -341,16 +499,16 @@ display_help(int help)
 
        helpw = newwin(LINES - 5, COLS - 6, 2, 3);
        erase();
-       headerline("help");
+       headerline(_("help"));
 
-       for( i = 0; tbl[i] != NULL; i++) {
-               waddstr(helpw, tbl[i]);
-               if( ( !( (i+1) % (LINES-8) ) ) ||
-                       (tbl[i+1] == NULL) ) {
+       for(i = 0; tbl[i] != NULL; i++) {
+               waddstr(helpw, gettext(tbl[i]));
+               if( (!((i + 1) % (LINES - 8))) ||
+                       (tbl[i + 1] == NULL) ) {
                        refresh();
                        wrefresh(helpw);
                        refresh_statusline();
-                       if(statusline_msg("Press any key to continue...")
+                       if(statusline_msg(_("Press any key to continue..."))
                                        == 'q')
                                break;
                        wclear(helpw);
@@ -366,7 +524,6 @@ display_help(int help)
  */
 
 extern char *selected;
-extern int curitem;
 
 void
 get_commands()
@@ -375,17 +532,41 @@ get_commands()
 
        for(;;) {
                can_resize = TRUE; /* it's safe to resize now */
-               hide_cursor();
-               if( should_resize )
+               if(!opt_get_bool(BOOL_SHOW_CURSOR))
+                       hide_cursor();
+               if(should_resize)
                        refresh_screen();
                ch = getch();
-               show_cursor();
+               if(!opt_get_bool(BOOL_SHOW_CURSOR))
+                       show_cursor();
                can_resize = FALSE; /* it's not safe to resize anymore */
-               switch( ch ) {
+               if(ch == KEY_MOUSE) {
+                       MEVENT event;
+                       bool double_clicked = was_double_click();
+                       if(getmouse(&event) == OK) {
+                               if(event.bstate & BUTTON1_CLICKED
+                                  || event.bstate & BUTTON1_DOUBLE_CLICKED) {
+                                       if(event.y == 0) {
+                                               return;
+                                       }
+                                       list_set_curitem(event.y + list_get_firstitem() - LIST_TOP);
+                                       if(double_clicked) {
+                                               edit_item(-1);
+                                       } else {
+                                               refresh_list();
+                                       }
+                               } else if(event.bstate & BUTTON4_PRESSED) {
+                                       scroll_list_up();
+                               } else if(event.bstate & BUTTON5_PRESSED) {
+                                       scroll_list_down();
+                               }
+                       }
+               }
+               switch(ch) {
                        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);
@@ -396,7 +577,9 @@ get_commands()
                        case KEY_DC:
                        case 'd':
                        case 'r': ui_remove_items();    break;
+                       case 'M': ui_merge_items();     break;
                        case 'D': duplicate_item();     break;
+                       case 'U': ui_remove_duplicates(); break;
                        case 12: refresh_screen();      break;
 
                        case 'k':
@@ -422,15 +605,16 @@ get_commands()
 
                        case 'o': ui_open_datafile();   break;
 
-                       case 's': sort_by_field(NAME);  break;
+                       case 's': sort_by_field("name");break;
                        case 'S': sort_surname();       break;
-                       case 'F': sort_by_field(-1);    break;
+                       case 'F': sort_by_field(NULL);  break;
 
                        case '/': ui_find(0);           break;
+                       case 'n':
                        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();
                                  }
@@ -450,37 +634,55 @@ 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 'u': launch_wwwbrowser(list_current_item());
+                       case 'v': launch_wwwbrowser(list_get_curitem());
                                  refresh_screen();
                                  break;
                }
        }
 }
 
-
 void
 ui_remove_items()
 {
        if(list_is_empty())
                return;
 
-       if(statusline_ask_boolean("Remove selected item(s)", TRUE))
+       if(statusline_ask_boolean(_("Remove selected item(s)"), FALSE))
                remove_selected_items();
 
-       clear_statusline();     
+       clear_statusline();
+       refresh_list();
+}
+
+void
+ui_merge_items()
+{
+       if(statusline_ask_boolean(_("Merge selected items"), FALSE))
+               merge_selected_items();
+
+       clear_statusline();
+       refresh_list();
+}
+
+void           ui_remove_duplicates()
+{
+       if(statusline_ask_boolean(_("Remove duplicates"), FALSE))
+               remove_duplicates();
+       
+       clear_statusline();
        refresh_list();
 }
 
 void
 ui_clear_database()
 {
-       if(statusline_ask_boolean("Clear WHOLE database", FALSE)) {
+       if(statusline_ask_boolean(_("Clear WHOLE database"), FALSE)) {
                close_database();
                refresh_list();
        }
@@ -496,31 +698,38 @@ ui_find(int next)
        clear_statusline();
 
        if(next) {
-               if( !*findstr )
+               if(!*findstr)
                        return;
        } else {
                char *s;
                s = ui_readline("/", findstr, MAX_FIELD_LEN - 1, 0);
-               strncpy(findstr, s, MAX_FIELD_LEN);
                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");
+               statusline_addstr(_("Search hit bottom, continuing at top"));
 
        if(item >= 0) {
-               curitem = item;
+               list_set_curitem(item);
                refresh_list();
        }
 }
 
-
 void
 ui_print_number_of_items()
 {
-       char *str = mkstr("     " "|%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);
@@ -529,10 +738,18 @@ ui_print_number_of_items()
 void
 ui_read_database()
 {
-       if(items > 0)
-               if(!statusline_ask_boolean("Your current data will be lost - "
-                               "Press 'y' to continue", FALSE))
+       char *msg;
+
+       if(!list_is_empty()) {
+               msg = strdup_printf(_("Your current data will be lost - "
+                               "Press '%c' to continue"),
+                               *(S_("keybinding for yes|y")));
+               if(!statusline_ask_boolean(msg, FALSE)) {
+                       free(msg);
                        return;
+               }
+               free(msg);
+       }
 
        load_database(datafile);
        refresh_list();
@@ -546,24 +763,22 @@ ui_print_database()
        char *command = opt_get_str(STR_PRINT_COMMAND);
        int mode;
 
-       if( list_is_empty() )
+       if(list_is_empty())
                return;
 
-       statusline_addstr("Print All/Selected/Cancel (a/s/C)?");
-
-       switch( tolower(getch()) ) {
-               case 'a':
+       switch(statusline_askchoice(_("Print <a>ll, print <s>elected, or <c>ancel?"), S_("keybindings:all/selected/cancel|asc"), 3)) {
+               case 1:
                        mode = ENUM_ALL;
                        break;
-               case 's':
+               case 2:
                        if( !selected_items() ) {
-                               statusline_msg("No selected items");
+                               statusline_msg(_("No selected items"));
                                return;
                        }
                        mode = ENUM_SELECTED;
                        break;
                default:
-                       clear_statusline();
+                       refresh_screen();
                        return;
        }
 
@@ -573,7 +788,7 @@ ui_print_database()
                return;
 
        fexport("text", handle, mode);
-       
+
        pclose(handle);
 }
 
@@ -583,29 +798,29 @@ ui_open_datafile()
 {
        char *filename;
 
-       filename = ask_filename("File to open: ");
+       filename = ask_filename(_("File to open: "));
 
-       if( !filename || ! *filename) {
+       if(!filename || ! *filename) {
                free(filename);
                refresh_screen();
                return;
        }
 
-       if( opt_get_bool(BOOL_AUTOSAVE) )
+       if(opt_get_bool(BOOL_AUTOSAVE))
                save_database();
-       else if(statusline_ask_boolean("Save current database", FALSE))
+       else if(statusline_ask_boolean(_("Save current database"), FALSE))
                save_database();
 
        close_database();
 
        load_database(filename);
 
-       if( items == 0 ) {
-               statusline_msg("Sorry, that specified file appears not to be a valid abook addressbook");
+       if(list_is_empty()) {
+               statusline_msg(_("Sorry, the specified file appears not to be a valid abook addressbook"));
                load_database(datafile);
        } else {
                free(datafile);
-               datafile = strdup(filename);
+               datafile = xstrdup(filename);
        }
 
        refresh_screen();