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

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2006-2008 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 2 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, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20 #ifndef QUEUE_GENERIC_H
  21 #define QUEUE_GENERIC_H
  22
  23 /** @brief Definition of a column */
  24 struct queue_column {
  25   /** @brief Column name */
  26   const char *name;
  27
  28   /** @brief Compute value for this column */
  29   const char *(*value)(const struct queue_entry *q,
  30                        const char *data);
  31
  32   /** @brief Passed to value() */
  33   const char *data;
  34
  35   /** @brief Flags word */
  36   unsigned flags;
  37 };
  38
  39 /** @brief Ellipsize column if too wide */
  40 #define COL_ELLIPSIZE 0x0001
  41
  42 /** @brief Set expand property */
  43 #define COL_EXPAND 0x0002
  44
  45 /** @brief Right-algin column */
  46 #define COL_RIGHT 0x0004
  47
  48 /** @brief An item in the queue's popup menu */
  49 struct queue_menuitem {
  50   /** @brief Menu item name */
  51   const char *name;
  52
  53   /** @brief Called to activate the menu item */
  54   void (*activate)(GtkMenuItem *menuitem,
  55                    gpointer user_data);
  56
  57   /** @brief Called to determine whether the menu item is usable.
  58    *
  59    * Returns @c TRUE if it should be sensitive and @c FALSE otherwise.
  60    */
  61   int (*sensitive)(struct queuelike *ql);
  62
  63   /** @brief Signal handler ID */
  64   gulong handlerid;
  65
  66   /** @brief Widget for menu item */
  67   GtkWidget *w;
  68 };
  69
  70 /** @brief Definition of a queue-like window */
  71 struct queuelike {
  72
  73   /* Things filled in by the caller: */
  74
  75   /** @brief Name for this tab */
  76   const char *name;
  77
  78   /** @brief Initialization function */
  79   void (*init)(void);
  80
  81   /** @brief Columns */
  82   const struct queue_column *columns;
  83
  84   /** @brief Number of columns in this queuelike */
  85   int ncolumns;
  86
  87   /** @brief Items for popup menu */
  88   struct queue_menuitem *menuitems;
  89
  90   /** @brief Number of menu items */
  91   int nmenuitems;
  92
  93   /* Dynamic state: */
  94
  95   /** @brief The head of the queue */
  96   struct queue_entry *q;
  97
  98   /* Things created by the implementation: */
  99
 100   /** @brief The list store */
 101   GtkListStore *store;
 102
 103   /** @brief The tree view */
 104   GtkWidget *view;
 105
 106   /** @brief The selection */
 107   GtkTreeSelection *selection;
 108
 109   /** @brief The popup menu */
 110   GtkWidget *menu;
 111 };
 112
 113 extern struct queuelike ql_queue;
 114 extern struct queuelike ql_recent;
 115 extern struct queuelike ql_added;
 116
 117 extern time_t last_playing;
 118
 119 int ql_selectall_sensitive(struct queuelike *ql);
 120 void ql_selectall_activate(GtkMenuItem *menuitem,
 121                            gpointer user_data);
 122 int ql_selectnone_sensitive(struct queuelike *ql);
 123 void ql_selectnone_activate(GtkMenuItem *menuitem,
 124                             gpointer user_data);
 125 int ql_properties_sensitive(struct queuelike *ql);
 126 void ql_properties_activate(GtkMenuItem *menuitem,
 127                             gpointer user_data);
 128 int ql_scratch_sensitive(struct queuelike *ql);
 129 void ql_scratch_activate(GtkMenuItem *menuitem,
 130                          gpointer user_data);
 131 int ql_remove_sensitive(struct queuelike *ql);
 132 void ql_remove_activate(GtkMenuItem *menuitem,
 133                         gpointer user_data);
 134 int ql_play_sensitive(struct queuelike *ql);
 135 void ql_play_activate(GtkMenuItem *menuitem,
 136                       gpointer user_data);
 137 gboolean ql_button_release(GtkWidget *widget,
 138                            GdkEventButton *event,
 139                            gpointer user_data);
 140 GtkWidget *init_queuelike(struct queuelike *ql);
 141 void ql_update_list_store(struct queuelike *ql) ;
 142 void ql_update_row(struct queue_entry *q,
 143                    GtkTreeIter *iter);
 144 void ql_new_queue(struct queuelike *ql,
 145                   struct queue_entry *newq);
 146 const char *column_when(const struct queue_entry *q,
 147                         const char *data);
 148 const char *column_who(const struct queue_entry *q,
 149                        const char *data);
 150 const char *column_namepart(const struct queue_entry *q,
 151                             const char *data);
 152 const char *column_length(const struct queue_entry *q,
 153                           const char *data);
 154 struct tabtype *ql_tabtype(struct queuelike *ql);
 155 struct queue_entry *ql_iter_to_q(GtkTreeModel *model,
 156                                  GtkTreeIter *iter);
 157
 158 #endif /* QUEUE_GENERIC_H */
 159
 160 /*
 161 Local Variables:
 162 c-basic-offset:2
 163 comment-column:40
 164 fill-column:79
 165 indent-tabs-mode:nil
 166 End:
 167 */