Code

Spelling corrections
[ncmpc.git] / src / screen_play.c
index 8855ffc7816e93912f932e253d3ee160a4be9e1c..b9b0ecb0f18606cf639f905a76ef31728cf201a4 100644 (file)
@@ -1,26 +1,26 @@
-/*
- * (c) 2004 by Kalle Wallin <kaw@linux.se>
- *
+/* ncmpc (Ncurses MPD Client)
+ * (c) 2004-2009 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
+
+ * 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 "config.h"
 #include "i18n.h"
 #include "charset.h"
 #include "options.h"
-#include "support.h"
 #include "mpdclient.h"
 #include "utils.h"
 #include "strfsong.h"
 #include "screen.h"
 #include "screen_utils.h"
 #include "screen_play.h"
-#include "gcc.h"
+
+#ifndef NCMPC_MINI
+#include "hscroll.h"
+#endif
 
 #include <ctype.h>
 #include <stdlib.h>
@@ -78,9 +81,12 @@ playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
        case PLAYLIST_EVENT_DELETE:
                break;
        case PLAYLIST_EVENT_MOVE:
-               lw->selected = *((int *) data);
-               if (lw->selected < lw->start)
-                       lw->start--;
+               if(lw->visual_selection < 0)
+               {
+                       lw->selected = *((int *) data);
+                       if (lw->selected < lw->start)
+                               lw->start--;
+               }
                break;
        default:
                break;
@@ -91,9 +97,12 @@ playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
 }
 
 static const char *
-list_callback(unsigned idx, int *highlight, mpd_unused void *data)
+list_callback(unsigned idx, bool *highlight, G_GNUC_UNUSED void *data)
 {
        static char songname[MAX_SONG_LENGTH];
+#ifndef NCMPC_MINI
+       static scroll_state_t st;
+#endif
        mpd_Song *song;
 
        if (playlist == NULL || idx >= playlist_length(playlist))
@@ -101,9 +110,29 @@ list_callback(unsigned idx, int *highlight, mpd_unused void *data)
 
        song = playlist_get(playlist, idx);
        if (song->id == current_song_id)
-               *highlight = 1;
+               *highlight = true;
 
        strfsong(songname, MAX_SONG_LENGTH, options.list_format, song);
+
+#ifndef NCMPC_MINI
+       if (options.scroll && (unsigned)song->pos == lw->selected &&
+           utf8_width(songname) > (unsigned)COLS) {
+               static unsigned current_song;
+               char *tmp;
+
+               if (current_song != lw->selected) {
+                       st.offset = 0;
+                       current_song = lw->selected;
+               }
+
+               tmp = strscroll(songname, options.scroll_sep,
+                               MAX_SONG_LENGTH, &st);
+               g_strlcpy(songname, tmp, MAX_SONG_LENGTH);
+               g_free(tmp);
+       } else if ((unsigned)song->pos == lw->selected)
+               st.offset = 0;
+#endif
+
        return songname;
 }
 
@@ -111,7 +140,6 @@ static void
 center_playing_item(mpdclient_t *c)
 {
        unsigned length = c->playlist.list->len;
-       unsigned offset = lw->selected - lw->start;
        int idx;
 
        if (!c->song || length < lw->rows ||
@@ -126,13 +154,31 @@ center_playing_item(mpdclient_t *c)
        list_window_center(lw, length, idx);
 
        /* make sure the cursor is in the window */
-       lw->selected = lw->start+offset;
-       list_window_check_selected(lw, length);
+       if (lw->selected < lw->start) {
+               lw->selected = lw->start;
+               if (lw->visual_selection) {
+                       lw->selected_start = lw->visual_base;
+                       lw->selected_end = lw->selected;
+               } else {
+                       lw->selected_start = lw->selected;
+                       lw->selected_end = lw->selected;
+               }
+       } else if (lw->selected > lw->start + lw->rows - 1) {
+               lw->selected = lw->start + lw->rows - 1;
+               if (lw->visual_selection) {
+                       lw->selected_start = lw->selected;
+                       lw->selected_end = lw->visual_base;
+               } else {
+                       lw->selected_start = lw->selected;
+                       lw->selected_end = lw->selected;
+               }
+       }
 }
 
 #ifndef NCMPC_MINI
 static void
-save_pre_completion_cb(GCompletion *gcmp, mpd_unused gchar *line, void *data)
+save_pre_completion_cb(GCompletion *gcmp, G_GNUC_UNUSED gchar *line,
+                      void *data)
 {
        completion_callback_data_t *tmp = (completion_callback_data_t *)data;
        GList **list = tmp->list;
@@ -146,14 +192,28 @@ save_pre_completion_cb(GCompletion *gcmp, mpd_unused gchar *line, void *data)
 }
 
 static void
-save_post_completion_cb(mpd_unused GCompletion *gcmp, mpd_unused gchar *line,
-                       GList *items, mpd_unused void *data)
+save_post_completion_cb(G_GNUC_UNUSED GCompletion *gcmp,
+                       G_GNUC_UNUSED gchar *line, GList *items,
+                       G_GNUC_UNUSED void *data)
 {
        if (g_list_length(items) >= 1)
                screen_display_completion_list(items);
 }
 #endif
 
+#ifndef NCMPC_MINI
+/**
+ * Wrapper for strncmp().  We are not allowed to pass &strncmp to
+ * g_completion_set_compare(), because strncmp() takes size_t where
+ * g_completion_set_compare passes a gsize value.
+ */
+static gint
+completion_strncmp(const gchar *s1, const gchar *s2, gsize n)
+{
+       return strncmp(s1, s2, n);
+}
+#endif
+
 int
 playlist_save(mpdclient_t *c, char *name, char *defaultname)
 {
@@ -173,7 +233,7 @@ playlist_save(mpdclient_t *c, char *name, char *defaultname)
        if (name == NULL) {
                /* initialize completion support */
                gcmp = g_completion_new(NULL);
-               g_completion_set_compare(gcmp, strncmp);
+               g_completion_set_compare(gcmp, completion_strncmp);
                data.list = &list;
                data.dir_list = NULL;
                data.c = c;
@@ -184,7 +244,7 @@ playlist_save(mpdclient_t *c, char *name, char *defaultname)
 
                /* query the user for a filename */
                filename = screen_readln(screen.status_window.w,
-                                        _("Save playlist as"),
+                                        _("Save playlist as"),
                                         defaultname,
                                         NULL,
                                         gcmp);
@@ -201,7 +261,7 @@ playlist_save(mpdclient_t *c, char *name, char *defaultname)
 #endif
                        filename=g_strdup(name);
 
-       if (filename == NULL || filename[0] == '\0')
+       if (filename == NULL)
                return -1;
 
        /* send save command to mpd */
@@ -238,7 +298,7 @@ playlist_save(mpdclient_t *c, char *name, char *defaultname)
                                return error;
                        }
 
-                       screen_status_printf(_("Aborted!"));
+                       screen_status_printf(_("Aborted"));
                }
 
                g_free(filename);
@@ -311,7 +371,7 @@ handle_add_to_playlist(mpdclient_t *c)
 
        /* initialize completion support */
        gcmp = g_completion_new(NULL);
-       g_completion_set_compare(gcmp, strncmp);
+       g_completion_set_compare(gcmp, completion_strncmp);
        data.list = &list;
        data.dir_list = &dir_list;
        data.c = c;
@@ -322,7 +382,7 @@ handle_add_to_playlist(mpdclient_t *c)
 
        /* get path */
        path = screen_readln(screen.status_window.w,
-                            _("Add"),
+                            _("Add"),
                             NULL,
                             NULL,
 #ifdef NCMPC_MINI
@@ -343,7 +403,7 @@ handle_add_to_playlist(mpdclient_t *c)
 #endif
 
        /* add the path to the playlist */
-       if (path && path[0]) {
+       if (path != NULL) {
                char *path_utf8 = locale_to_utf8(path);
                mpdclient_cmd_add_path(c, path_utf8);
                g_free(path_utf8);
@@ -372,7 +432,7 @@ timer_hide_cursor(gpointer data)
        /* hide the cursor when mpd is playing and the user is inactive */
 
        if (c->status != NULL && c->status->state == MPD_STATUS_STATE_PLAY) {
-               lw->flags |= LW_HIDE_CURSOR;
+               lw->hide_cursor = true;
                playlist_repaint();
        } else
                timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
@@ -390,7 +450,7 @@ play_open(mpdclient_t *c)
 
        assert(timer_hide_cursor_id == 0);
        if (options.hide_cursor > 0) {
-               lw->flags &= ~LW_HIDE_CURSOR;
+               lw->hide_cursor = false;
                timer_hide_cursor_id = g_timeout_add(options.hide_cursor * 1000,
                                                     timer_hide_cursor, c);
        }
@@ -452,15 +512,21 @@ play_update(mpdclient_t *c)
                prev_song_id = current_song_id;
 
                /* center the cursor */
-               if (options.auto_center && current_song_id != -1)
+               if (options.auto_center && current_song_id != -1 && ! lw->visual_selection)
                        center_playing_item(c);
 
                playlist_repaint();
+#ifndef NCMPC_MINI
+       } else if (options.scroll) {
+               /* always repaint if horizontal scrolling is
+                  enabled */
+               playlist_repaint();
+#endif
        }
 }
 
 #ifdef HAVE_GETMOUSE
-static int
+static bool
 handle_mouse_event(struct mpdclient *c)
 {
        int row;
@@ -470,13 +536,13 @@ handle_mouse_event(struct mpdclient *c)
        if (screen_get_mouse_event(c, &bstate, &row) ||
            list_window_mouse(lw, playlist_length(playlist), bstate, row)) {
                playlist_repaint();
-               return 1;
+               return true;
        }
 
        if (bstate & BUTTON1_DOUBLE_CLICKED) {
                /* stop */
                screen_cmd(c, CMD_STOP);
-               return 1;
+               return true;
        }
 
        selected = lw->start + row;
@@ -495,14 +561,14 @@ handle_mouse_event(struct mpdclient *c)
        list_window_check_selected(lw, playlist_length(playlist));
        playlist_repaint();
 
-       return 1;
+       return true;
 }
 #endif
 
-static int
+static bool
 play_cmd(mpdclient_t *c, command_t cmd)
 {
-       lw->flags &= ~LW_HIDE_CURSOR;
+       lw->hide_cursor = false;
 
        if (options.hide_cursor > 0) {
                if (timer_hide_cursor_id != 0)
@@ -513,33 +579,94 @@ play_cmd(mpdclient_t *c, command_t cmd)
 
        if (list_window_cmd(lw, playlist_length(&c->playlist), cmd)) {
                playlist_repaint();
-               return 1;
+               return true;
        }
 
        switch(cmd) {
        case CMD_PLAY:
                mpdclient_cmd_play(c, lw->selected);
-               return 1;
+               return true;
        case CMD_DELETE:
-               mpdclient_cmd_delete(c, lw->selected);
-               return 1;
+       {
+               int i = lw->selected_end, start = lw->selected_start;
+               for(; i >= start; --i)
+                       mpdclient_cmd_delete(c, i);
+
+               i++;
+               if(i >= (int)playlist_length(&c->playlist))
+                       i--;
+               lw->selected = i;
+               lw->selected_start = i;
+               lw->selected_end = i;
+               lw->visual_selection = false;
+
+               return true;
+       }
        case CMD_SAVE_PLAYLIST:
                playlist_save(c, NULL, NULL);
-               return 1;
+               return true;
        case CMD_ADD:
                handle_add_to_playlist(c);
-               return 1;
+               return true;
        case CMD_SCREEN_UPDATE:
                center_playing_item(c);
                playlist_repaint();
-               return 0;
+               return false;
+       case CMD_SHUFFLE:
+       {
+               if(!lw->visual_selection)
+                       /* No visual selection, shuffle all list. */
+                       break;
+
+               if (mpdclient_cmd_shuffle_range(c, lw->selected_start, lw->selected_end+1) == 0)
+                       screen_status_message(_("Shuffled playlist"));
 
+               return true;
+       }
        case CMD_LIST_MOVE_UP:
-               mpdclient_cmd_move(c, lw->selected, lw->selected-1);
-               return 1;
+               if(lw->selected_start == 0)
+                       return false;
+               if(lw->visual_selection)
+               {
+                       unsigned i = lw->selected_start;
+                       unsigned last_selected = lw->selected;
+                       for(; i <= lw->selected_end; ++i)
+                               mpdclient_cmd_move(c, i, i-1);
+                       lw->selected_start--;
+                       lw->selected_end--;
+                       lw->selected = last_selected - 1;
+                       lw->visual_base--;
+               }
+               else
+               {
+                       mpdclient_cmd_move(c, lw->selected, lw->selected-1);
+                       lw->selected--;
+                       lw->selected_start--;
+                       lw->selected_end--;
+               }
+               return true;
        case CMD_LIST_MOVE_DOWN:
-               mpdclient_cmd_move(c, lw->selected, lw->selected+1);
-               return 1;
+               if(lw->selected_end+1 >= playlist_length(&c->playlist))
+                       return false;
+               if(lw->visual_selection)
+               {
+                       int i = lw->selected_end;
+                       unsigned last_selected = lw->selected;
+                       for(; i >= (int)lw->selected_start; --i)
+                               mpdclient_cmd_move(c, i, i+1);
+                       lw->selected_start++;
+                       lw->selected_end++;
+                       lw->selected = last_selected + 1;
+                       lw->visual_base++;
+               }
+               else
+               {
+                       mpdclient_cmd_move(c, lw->selected, lw->selected+1);
+                       lw->selected++;
+                       lw->selected_start++;
+                       lw->selected_end++;
+               }
+               return true;
        case CMD_LIST_FIND:
        case CMD_LIST_RFIND:
        case CMD_LIST_FIND_NEXT:
@@ -547,18 +674,40 @@ play_cmd(mpdclient_t *c, command_t cmd)
                screen_find(lw, playlist_length(&c->playlist),
                            cmd, list_callback, NULL);
                playlist_repaint();
-               return 1;
+               return true;
+       case CMD_LIST_JUMP:
+               screen_jump(lw, list_callback, NULL);
+               playlist_repaint();
+               return true;
 
 #ifdef HAVE_GETMOUSE
        case CMD_MOUSE_EVENT:
                return handle_mouse_event(c);
 #endif
 
+#ifdef ENABLE_SONG_SCREEN
+       case CMD_VIEW:
+               if (lw->selected < playlist_length(&c->playlist)) {
+                       screen_song_switch(c, playlist_get(&c->playlist, lw->selected));
+                       return true;
+               }
+
+               break;
+#endif
+
+       case CMD_LOCATE:
+               if (lw->selected < playlist_length(&c->playlist)) {
+                       screen_file_goto_song(c, playlist_get(&c->playlist, lw->selected));
+                       return true;
+               }
+
+               break;
+
 #ifdef ENABLE_LYRICS_SCREEN
        case CMD_SCREEN_LYRICS:
                if (lw->selected < playlist_length(&c->playlist)) {
                        screen_lyrics_switch(c, playlist_get(&c->playlist, lw->selected));
-                       return 1;
+                       return true;
                }
 
                break;
@@ -568,7 +717,7 @@ play_cmd(mpdclient_t *c, command_t cmd)
                break;
        }
 
-       return 0;
+       return false;
 }
 
 const struct screen_functions screen_playlist = {