mdw@git.distorted.org.uk Git - disorder/blob - disobedience/queue-generic.h

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2006-2009 Richard Kettlewell
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /** @file disobedience/queue-generic.h
  19  * @brief Disobedience queue widgets
  20  */
  21 #ifndef QUEUE_GENERIC_H
  22 #define QUEUE_GENERIC_H
  23
  24 /** @brief Definition of a column */
  25 struct queue_column {
  26   /** @brief Column name */
  27   const char *name;
  28
  29   /** @brief Compute value for this column */
  30   const char *(*value)(const struct queue_entry *q,
  31                        const char *data);
  32
  33   /** @brief Passed to value() */
  34   const char *data;
  35
  36   /** @brief Flags word */
  37   unsigned flags;
  38 };
  39
  40 /** @brief Ellipsize column if too wide */
  41 #define COL_ELLIPSIZE 0x0001
  42
  43 /** @brief Set expand property */
  44 #define COL_EXPAND 0x0002
  45
  46 /** @brief Right-algin column */
  47 #define COL_RIGHT 0x0004
  48
  49 /** @brief Definition of a queue-like window */
  50 struct queuelike {
  51
  52   /* Things filled in by the caller: */
  53
  54   /** @brief Name for this tab */
  55   const char *name;
  56
  57   /** @brief Initialization function */
  58   void (*init)(struct queuelike *ql);
  59
  60   /** @brief Columns */
  61   const struct queue_column *columns;
  62
  63   /** @brief Number of columns in this queuelike */
  64   int ncolumns;
  65
  66   /** @brief Items for popup menu */
  67   struct menuitem *menuitems;
  68
  69   /** @brief Number of menu items */
  70   int nmenuitems;
  71
  72   /* Dynamic state: */
  73
  74   /** @brief The head of the queue */
  75   struct queue_entry *q;
  76
  77   /* Things created by the implementation: */
  78
  79   /** @brief The list store */
  80   GtkListStore *store;
  81
  82   /** @brief The tree view */
  83   GtkWidget *view;
  84
  85   /** @brief The selection */
  86   GtkTreeSelection *selection;
  87
  88   /** @brief The popup menu */
  89   GtkWidget *menu;
  90
  91   /** @brief Menu callbacks */
  92   struct tabtype tabtype;
  93
  94   /** @brief Drag-drop callback, or NULL for no drag+drop
  95    * @param ql Owning queuelike
  96    * @param ntracks Number of tracks to be dropped
  97    * @param tracks List of track names
  98    * @param ids List of track IDs
  99    * @param after_me Drop after this or NULL to drop at head
 100    *
 101    * If the rearrangement is impossible then the displayed queue must be put
 102    * back.
 103    */
 104   void (*drop)(struct queuelike *ql, int ntracks, char **tracks, char **ids,
 105                struct queue_entry *after_me);
 106
 107   /** @brief Source target list */
 108   const GtkTargetEntry *drag_source_targets;
 109
 110   /** @brief Drag source actions */
 111   GdkDragAction drag_source_actions;
 112
 113   /** @brief Destination target list */
 114   const GtkTargetEntry *drag_dest_targets;
 115
 116   /** @brief Drag destination actions */
 117   GdkDragAction drag_dest_actions;
 118
 119 };
 120
 121 enum {
 122   PLAYABLE_TRACKS_ID,
 123   QUEUED_TRACKS_ID,
 124   PLAYLIST_TRACKS_ID
 125 };
 126
 127 #define PLAYABLE_TRACKS (char *)"text/x-disorder-playable-tracks"
 128 #define QUEUED_TRACKS (char *)"text/x-disorder-queued-tracks"
 129 #define PLAYLIST_TRACKS (char *)"text/x-disorder-playlist-tracks"
 130
 131 enum {
 132   QUEUEPOINTER_COLUMN,
 133   FOREGROUND_COLUMN,
 134   BACKGROUND_COLUMN,
 135
 136   EXTRA_COLUMNS
 137 };
 138
 139 /* TODO probably need to set "horizontal-separator" to 0, but can't find any
 140  * coherent description of how to set style properties in isolation. */
 141 #define BG_PLAYING 0
 142 #define FG_PLAYING 0
 143
 144 #ifndef BG_PLAYING
 145 # define BG_PLAYING "#e0ffe0"
 146 # define FG_PLAYING "black"
 147 #endif
 148
 149 extern struct queuelike ql_queue;
 150 extern struct queuelike ql_recent;
 151 extern struct queuelike ql_added;
 152
 153 extern time_t last_playing;
 154
 155 int ql_selectall_sensitive(void *extra);
 156 void ql_selectall_activate(GtkMenuItem *menuitem,
 157                            gpointer user_data);
 158 int ql_selectnone_sensitive(void *extra);
 159 void ql_selectnone_activate(GtkMenuItem *menuitem,
 160                             gpointer user_data);
 161 int ql_properties_sensitive(void *extra);
 162 void ql_properties_activate(GtkMenuItem *menuitem,
 163                             gpointer user_data);
 164 int ql_scratch_sensitive(void *extra);
 165 void ql_scratch_activate(GtkMenuItem *menuitem,
 166                          gpointer user_data);
 167 int ql_remove_sensitive(void *extra);
 168 void ql_remove_activate(GtkMenuItem *menuitem,
 169                         gpointer user_data);
 170 int ql_play_sensitive(void *extra);
 171 void ql_play_activate(GtkMenuItem *menuitem,
 172                       gpointer user_data);
 173 int ql_adopt_sensitive(void *extra);
 174 void ql_adopt_activate(GtkMenuItem *menuitem,
 175                        gpointer user_data);
 176 gboolean ql_button_release(GtkWidget *widget,
 177                            GdkEventButton *event,
 178                            gpointer user_data);
 179 GtkWidget *init_queuelike(struct queuelike *ql);
 180 void destroy_queuelike(struct queuelike *ql);
 181 void ql_update_list_store(struct queuelike *ql) ;
 182 void ql_update_row(struct queue_entry *q,
 183                    GtkTreeIter *iter);
 184 void ql_new_queue(struct queuelike *ql,
 185                   struct queue_entry *newq);
 186 const char *column_when(const struct queue_entry *q,
 187                         const char *data);
 188 const char *column_who(const struct queue_entry *q,
 189                        const char *data);
 190 const char *column_namepart(const struct queue_entry *q,
 191                             const char *data);
 192 const char *column_length(const struct queue_entry *q,
 193                           const char *data);
 194 struct tabtype *ql_tabtype(struct queuelike *ql);
 195 struct queue_entry *ql_iter_to_q(GtkTreeModel *model,
 196                                  GtkTreeIter *iter);
 197 struct queue_entry *ql_path_to_q(GtkTreeModel *model,
 198                                  GtkTreePath *path);
 199
 200 #endif /* QUEUE_GENERIC_H */
 201
 202 /*
 203 Local Variables:
 204 c-basic-offset:2
 205 comment-column:40
 206 fill-column:79
 207 indent-tabs-mode:nil
 208 End:
 209 */