Added a search screen

git-svn-id: https://svn.musicpd.org/ncmpc/trunk@2668 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 305 insertions, 0 deletions

diff --git a/src/screen_search.c b/src/screen_search.c
index d82a049ef..95c3830c1 100644
--- a/src/screen_search.c
+++ b/src/screen_search.c
@@ -1,10 +1,315 @@
+/* 
+ * $Id$
+ *
+ * (c) 2004 by Kalle Wallin <kaw@linux.se>
+ *
+ * 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
+ *
+ */
+
+#include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <glib.h>
 #include <ncurses.h>
 
 #include "config.h"
+#ifndef DISABLE_SEARCH_SCREEN
+#include "ncmpc.h"
+#include "options.h"
+#include "support.h"
 #include "mpdclient.h"
+#include "strfsong.h"
 #include "command.h"
 #include "screen.h"
+#include "screen_utils.h"
+#include "screen_browse.h"
+
+#define SEARCH_TITLE  0
+#define SEARCH_ARTIST 1
+#define SEARCH_ALBUM  2
+#define SEARCH_FILE   3
+
+typedef struct {
+  int table;
+  char *label;
+} search_type_t;
+
+static search_type_t mode[] = {
+  { MPD_TABLE_TITLE,    N_("Title") },
+  { MPD_TABLE_ARTIST,   N_("Artist") },
+  { MPD_TABLE_ALBUM,    N_("Album") },
+  { MPD_TABLE_FILENAME, N_("Filename") },
+  { 0, NULL }
+};
+
+static list_window_t *lw = NULL;
+static mpdclient_filelist_t *filelist = NULL;
+static gchar *pattern = NULL;
+
+/* the playlist have been updated -> fix highlights */
+static void 
+playlist_changed_callback(mpdclient_t *c, int event, gpointer data)
+{
+  if( filelist==NULL )
+    return;
+  D("screen_search.c> playlist_callback() [%d]\n", event);
+  switch(event)
+    {
+    case PLAYLIST_EVENT_CLEAR:
+      clear_highlights(filelist);
+      break;
+    default:
+      sync_highlights(c, filelist);
+      break;
+    }
+}
+
+/* sanity check search mode value */
+static void
+search_check_mode(void)
+{
+  int max = 0;
+
+  while( mode[max].label != NULL )
+    max++;
+  if( options.search_mode<0 )
+    options.search_mode = 0;
+  else if( options.search_mode>=max )
+    options.search_mode = max-1;
+}
+
+static void
+search_clear(screen_t *screen, mpdclient_t *c, gboolean clear_pattern)
+{
+  if( filelist )
+    {
+      mpdclient_remove_playlist_callback(c, playlist_changed_callback);
+      filelist = mpdclient_filelist_free(filelist);
+    }
+  if( clear_pattern && pattern )
+    {
+      g_free(pattern);
+      pattern = NULL;
+    }
+}
+
+static void
+search_new(screen_t *screen, mpdclient_t *c)
+{
+  search_clear(screen, c, TRUE);
+  
+  pattern = screen_readln(screen->status_window.w, 
+			  _("Search: "),
+			  NULL,
+			  NULL,
+			  NULL);
+
+  if( pattern && strcmp(pattern,"")==0 )
+    {
+      g_free(pattern);
+      pattern=NULL;
+    }
+  
+  if( pattern==NULL )
+    {
+      list_window_reset(lw);
+      return;
+    }
+
+  filelist = mpdclient_filelist_search(c, 
+				       mode[options.search_mode].table,
+				       pattern);
+  sync_highlights(c, filelist);
+  mpdclient_install_playlist_callback(c, playlist_changed_callback);
+  list_window_check_selected(lw, filelist->length);
+}
+
+static void
+init(WINDOW *w, int cols, int rows)
+{
+  lw = list_window_init(w, cols, rows);
+}
+
+static void
+quit(void)
+{
+  if( filelist )
+    filelist = mpdclient_filelist_free(filelist);
+  list_window_free(lw);
+  if( pattern )
+    g_free(pattern);
+  pattern = NULL;
+}
+
+static void
+open(screen_t *screen, mpdclient_t *c)
+{
+  if( pattern==NULL )
+    search_new(screen, c);
+  else
+    screen_status_printf(_("Press %s for a new search"),
+			 get_key_names(CMD_SCREEN_SEARCH,0));
+  search_check_mode();
+}
+
+static void
+resize(int cols, int rows)
+{
+  lw->cols = cols;
+  lw->rows = rows;
+}
+
+static void
+close(void)
+{
+}
+
+static void 
+paint(screen_t *screen, mpdclient_t *c)
+{
+  lw->clear = 1;
+  
+  if( filelist )
+    {
+      list_window_paint(lw, browse_lw_callback, (void *) filelist);
+      filelist->updated = FALSE;
+    }
+  else
+    {
+      wmove(lw->w, 0, 0);
+      wclrtobot(lw->w);
+    }
+  wnoutrefresh(lw->w);
+}
+
+void 
+update(screen_t *screen, mpdclient_t *c)
+{
+  if( filelist==NULL || filelist->updated )
+    {
+      paint(screen, c);
+      return;
+    }
+  list_window_paint(lw, browse_lw_callback, (void *) filelist);
+  wnoutrefresh(lw->w);
+}
+
+static char *
+get_title(char *str, size_t size)
+{
+  if( pattern )
+    g_snprintf(str, size, 
+	       _("Search: Results for %s [%s]"), 
+	       pattern,
+	       _(mode[options.search_mode].label));
+  else
+    g_snprintf(str, size, _("Search: Press %s for a new search [%s]"),
+	       get_key_names(CMD_SCREEN_SEARCH,0),
+	       _(mode[options.search_mode].label));
+	       
+  return str;
+}
+
+static list_window_t *
+get_filelist_window()
+{
+  return lw;
+}
+
+static int 
+search_cmd(screen_t *screen, mpdclient_t *c, command_t cmd)
+{
+  switch(cmd)
+    {
+    case CMD_PLAY:
+       browse_handle_enter(screen, c, lw, filelist);
+      return 1;
+
+    case CMD_SELECT:
+      if( browse_handle_select(screen, c, lw, filelist) == 0 )
+	{
+	  /* continue and select next item... */
+	  cmd = CMD_LIST_NEXT;
+	}
+      return 1;
+
+    case CMD_SEARCH_MODE:
+      options.search_mode++;
+      if( mode[options.search_mode].label == NULL )
+	options.search_mode = 0;
+      screen_status_printf(_("Search mode: %s"), 
+			   _(mode[options.search_mode].label));
+      /* continue and update... */
+    case CMD_SCREEN_UPDATE:
+      if( pattern )
+	{
+	  search_clear(screen, c, FALSE);
+	  filelist = mpdclient_filelist_search(c, 
+					       mode[options.search_mode].table,
+					       pattern);
+	  sync_highlights(c, filelist);
+	}
+      return 1;
+
+    case CMD_SCREEN_SEARCH:
+      search_new(screen, c);
+      return 1;
+
+    case CMD_CLEAR:
+      search_clear(screen, c, TRUE);
+      list_window_reset(lw);
+      return 1;
+
+    case CMD_LIST_FIND:
+    case CMD_LIST_RFIND:
+    case CMD_LIST_FIND_NEXT:
+    case CMD_LIST_RFIND_NEXT:
+      if( filelist )
+	return screen_find(screen, c, 
+			   lw, filelist->length,
+			   cmd, browse_lw_callback, (void *) filelist);
+    case CMD_MOUSE_EVENT:
+      return browse_handle_mouse_event(screen,c,lw,filelist);
+
+    default:
+      if( filelist )
+	return list_window_cmd(lw, filelist->length, cmd);
+    }
+  
+  return 0;
+}
+
+screen_functions_t *
+get_screen_search(void)
+{
+  static screen_functions_t functions;
+
+  memset(&functions, 0, sizeof(screen_functions_t));
+  functions.init   = init;
+  functions.exit   = quit;
+  functions.open   = open;
+  functions.close  = close;
+  functions.resize = resize;
+  functions.paint  = paint;
+  functions.update = update;
+  functions.cmd    = search_cmd;
+  functions.get_lw = get_filelist_window;
+  functions.get_title = get_title;
+
+  return &functions;
+}
+
 
+#endif /* ENABLE_SEARCH_SCREEN */