Code

screen_utils: move KEY_MOUSE check to ignore_key(), avoid recursion
[ncmpc.git] / src / screen_utils.c
index 26f8811a7bb9fc901379a0d8a0f7f960160a7bc8..8f69930d64126752b048164fcd1a8d7e9d0df379 100644 (file)
@@ -1,21 +1,21 @@
 /* ncmpc (Ncurses MPD Client)
- * (c) 2004-2009 The Music Player Daemon Project
+ * (c) 2004-2017 The Music Player Daemon Project
  * Project homepage: http://musicpd.org
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
-
+ *
  * You should have received a copy of the GNU General Public License along
  * with this program; if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-*/
+ */
 
 #include "screen_utils.h"
 #include "screen.h"
 #include "colors.h"
 #include "wreadln.h"
 
-#include <stdlib.h>
-#include <unistd.h>
-
-#define FIND_PROMPT  _("Find: ")
-#define RFIND_PROMPT _("Find backward: ")
+#include <mpd/client.h>
+#include <ctype.h>
 
 void
 screen_bell(void)
@@ -41,27 +38,32 @@ screen_bell(void)
                flash();
 }
 
+static bool
+ignore_key(int key)
+{
+       return
+#ifdef HAVE_GETMOUSE
+               /* ignore mouse events */
+               key == KEY_MOUSE ||
+#endif
+               key == ERR;
+}
+
 int
-screen_getch(WINDOW *w, const char *prompt)
+screen_getch(const char *prompt)
 {
-       int key = -1;
+       WINDOW *w = screen.status_bar.window.w;
 
        colors_use(w, COLOR_STATUS_ALERT);
-       wclear(w);
+       werase(w);
        wmove(w, 0, 0);
        waddstr(w, prompt);
 
        echo();
        curs_set(1);
 
-       while ((key = wgetch(w)) == ERR)
-               ;
-
-#ifdef HAVE_GETMOUSE
-       /* ignore mouse events */
-       if (key == KEY_MOUSE)
-               return screen_getch(w, prompt);
-#endif
+       int key;
+       while (ignore_key(key = wgetch(w))) {}
 
        noecho();
        curs_set(0);
@@ -69,150 +71,57 @@ screen_getch(WINDOW *w, const char *prompt)
        return key;
 }
 
+bool
+screen_get_yesno(const char *prompt, bool def)
+{
+       /* NOTE: if one day a translator decides to use a multi-byte character
+          for one of the yes/no keys, we'll have to parse it properly */
+
+       int key = tolower(screen_getch(prompt));
+       if (key == YES[0])
+               return true;
+       else if (key == NO[0])
+               return false;
+       else
+               return def;
+}
+
 char *
-screen_readln(WINDOW *w,
-             const char *prompt,
+screen_readln(const char *prompt,
              const char *value,
              GList **history,
              GCompletion *gcmp)
 {
+       struct window *window = &screen.status_bar.window;
+       WINDOW *w = window->w;
        char *line = NULL;
 
        wmove(w, 0,0);
        curs_set(1);
        colors_use(w, COLOR_STATUS_ALERT);
-       line = wreadln(w, prompt, value, COLS, history, gcmp);
+       line = wreadln(w, prompt, value, window->cols, history, gcmp);
        curs_set(0);
        return line;
 }
 
 char *
-screen_getstr(WINDOW *w, const char *prompt)
+screen_read_password(const char *prompt)
 {
-       return screen_readln(w, prompt, NULL, NULL, NULL);
-}
-
-static char *
-screen_read_password(WINDOW *w, const char *prompt)
-{
-       char *ret;
-
-       if (w == NULL) {
-               int rows, cols;
-               getmaxyx(stdscr, rows, cols);
-               /* create window for input */
-               w = newwin(1,  cols, rows-1, 0);
-               leaveok(w, FALSE);
-               keypad(w, TRUE);
-       }
+       struct window *window = &screen.status_bar.window;
+       WINDOW *w = window->w;
 
        wmove(w, 0,0);
        curs_set(1);
        colors_use(w, COLOR_STATUS_ALERT);
 
        if (prompt == NULL)
-               prompt = _("Password");
-       ret = wreadln_masked(w, prompt, NULL, COLS, NULL, NULL);
+               prompt = _("Password");
+       char *ret = wreadln_masked(w, prompt, NULL, window->cols, NULL, NULL);
 
        curs_set(0);
        return ret;
 }
 
-static gint
-_screen_auth(struct mpdclient *c, gint recursion)
-{
-       char *password;
-
-       mpd_clearError(c->connection);
-       if (recursion > 2)
-               return 1;
-
-       password = screen_read_password(NULL, NULL);
-       if (password == NULL)
-               return 1;
-
-       mpd_sendPasswordCommand(c->connection, password);
-       g_free(password);
-
-       mpd_finishCommand(c->connection);
-       mpdclient_update(c);
-       if (c->connection->errorCode == MPD_ACK_ERROR_PASSWORD)
-               return  _screen_auth(c, ++recursion);
-       return 0;
-}
-
-gint
-screen_auth(struct mpdclient *c)
-{
-       gint ret = _screen_auth(c, 0);
-       mpdclient_update(c);
-       curs_set(0);
-       return ret;
-}
-
-/* query user for a string and find it in a list window */
-int
-screen_find(list_window_t *lw,
-           int rows,
-           command_t findcmd,
-           list_window_callback_fn_t callback_fn,
-           void *callback_data)
-{
-       int reversed = 0;
-       bool found;
-       const char *prompt = FIND_PROMPT;
-       char *value = options.find_show_last_pattern ? (char *) -1 : NULL;
-
-       if (findcmd == CMD_LIST_RFIND || findcmd == CMD_LIST_RFIND_NEXT) {
-               prompt = RFIND_PROMPT;
-               reversed = 1;
-       }
-
-       switch (findcmd) {
-       case CMD_LIST_FIND:
-       case CMD_LIST_RFIND:
-               if (screen.findbuf) {
-                       g_free(screen.findbuf);
-                       screen.findbuf=NULL;
-               }
-               /* continue... */
-
-       case CMD_LIST_FIND_NEXT:
-       case CMD_LIST_RFIND_NEXT:
-               if (!screen.findbuf)
-                       screen.findbuf=screen_readln(screen.status_window.w,
-                                                    prompt,
-                                                    value,
-                                                    &screen.find_history,
-                                                    NULL);
-
-               if (screen.findbuf == NULL)
-                       return 1;
-
-               found = reversed
-                       ? list_window_rfind(lw,
-                                           callback_fn, callback_data,
-                                           screen.findbuf,
-                                           options.find_wrap,
-                                           options.bell_on_wrap,
-                                           rows)
-                       : list_window_find(lw,
-                                          callback_fn, callback_data,
-                                          screen.findbuf,
-                                          options.find_wrap,
-                                          options.bell_on_wrap);
-               if (!found) {
-                       screen_status_printf(_("Unable to find \'%s\'"),
-                                            screen.findbuf);
-                       screen_bell();
-               }
-               return 1;
-       default:
-               break;
-       }
-       return 0;
-}
-
 void
 screen_display_completion_list(GList *list)
 {
@@ -220,9 +129,8 @@ screen_display_completion_list(GList *list)
        static guint prev_length = 0;
        static guint offset = 0;
        WINDOW *w = screen.main_window.w;
-       guint length, y=0;
 
-       length = g_list_length(list);
+       unsigned length = g_list_length(list);
        if (list == prev_list && length == prev_length) {
                offset += screen.main_window.rows;
                if (offset >= length)
@@ -234,6 +142,8 @@ screen_display_completion_list(GList *list)
        }
 
        colors_use(w, COLOR_STATUS_ALERT);
+
+       unsigned y = 0;
        while (y < screen.main_window.rows) {
                GList *item = g_list_nth(list, y+offset);
 
@@ -247,29 +157,5 @@ screen_display_completion_list(GList *list)
        }
 
        wrefresh(w);
-       doupdate();
        colors_use(w, COLOR_LIST);
 }
-
-#ifndef NCMPC_MINI
-void
-set_xterm_title(const char *format, ...)
-{
-       /* the current xterm title exists under the WM_NAME property */
-       /* and can be retreived with xprop -id $WINDOWID */
-
-       if (options.enable_xterm_title) {
-               if (g_getenv("WINDOWID")) {
-                       char *msg;
-                       va_list ap;
-
-                       va_start(ap,format);
-                       msg = g_strdup_vprintf(format,ap);
-                       va_end(ap);
-                       printf("%c]0;%s%c", '\033', msg, '\007');
-                       g_free(msg);
-               } else
-                       options.enable_xterm_title = FALSE;
-       }
-}
-#endif