mdw@git.distorted.org.uk Git - disorder/blob - disobedience/disobedience.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 /** @file disobedience/disobedience.h
  21  * @brief Header file for Disobedience, the DisOrder GTK+ client
  22  */
  23
  24 #ifndef DISOBEDIENCE_H
  25 #define DISOBEDIENCE_H
  26
  27 #include "common.h"
  28
  29 #include <time.h>
  30 #include <ctype.h>
  31 #include <errno.h>
  32 #include <math.h>
  33
  34 #include "mem.h"
  35 #include "log.h"
  36 #include "eclient.h"
  37 #include "printf.h"
  38 #include "cache.h"
  39 #include "queue.h"
  40 #include "printf.h"
  41 #include "vector.h"
  42 #include "trackname.h"
  43 #include "syscalls.h"
  44 #include "defs.h"
  45 #include "configuration.h"
  46 #include "hash.h"
  47 #include "selection.h"
  48 #include "kvp.h"
  49
  50 #include <glib.h>
  51 #include <gtk/gtk.h>
  52 #include <gdk-pixbuf/gdk-pixbuf.h>
  53
  54 /* Types ------------------------------------------------------------------- */
  55
  56 struct queuelike;
  57 struct choosenode;
  58 struct progress_window;
  59
  60 /** @brief Callback data structure
  61  *
  62  * This program is extremely heavily callback-driven.  Rather than have
  63  * numerous different callback structures we have a single one which can be
  64  * interpreted adequately both by success and error handlers.
  65  */
  66 struct callbackdata {
  67   void (*onerror)(struct callbackdata *cbd,
  68                   int code,
  69                   const char *msg);     /* called on error */
  70   union {
  71     const char *key;                    /* gtkqueue.c op_part_lookup */
  72     struct choosenode *choosenode;      /* gtkchoose.c got_files/got_dirs */
  73     struct queuelike *ql;               /* gtkqueue.c queuelike_completed */
  74     struct prefdata *f;                 /* properties.c */
  75     const char *user;                   /* users.c */
  76     struct {
  77       const char *user, *email;         /* users.c */
  78     } edituser;
  79   } u;
  80 };
  81
  82 /** @brief Per-tab callbacks
  83  *
  84  * Some of the options in the main menu depend on which tab is displayed, so we
  85  * have some callbacks to set them appropriately.
  86  */
  87 struct tabtype {
  88   int (*properties_sensitive)(GtkWidget *tab);
  89   int (*selectall_sensitive)(GtkWidget *tab);
  90   int (*selectnone_sensitive)(GtkWidget *tab);
  91   void (*properties_activate)(GtkWidget *tab);
  92   void (*selectall_activate)(GtkWidget *tab);
  93   void (*selectnone_activate)(GtkWidget *tab);
  94 };
  95
  96 /** @brief Button definitions */
  97 struct button {
  98   const gchar *stock;
  99   void (*clicked)(GtkButton *button, gpointer userdata);
 100   const char *tip;
 101   GtkWidget *widget;
 102 };
 103
 104 /* Variables --------------------------------------------------------------- */
 105
 106 extern GMainLoop *mainloop;
 107 extern GtkWidget *toplevel;             /* top level window */
 108 extern GtkWidget *report_label;         /* label for progress indicator */
 109 extern GtkWidget *tabs;                 /* main tabs */
 110 extern disorder_eclient *client;        /* main client */
 111
 112 extern unsigned long last_state;        /* last reported state */
 113 extern int playing;                     /* true if playing some track */
 114 extern int volume_l, volume_r;          /* current volume */
 115 extern double goesupto;                 /* volume upper bound */
 116 extern int choosealpha;                 /* break up choose by letter */
 117 extern GtkTooltips *tips;
 118 extern int rtp_supported;
 119 extern int rtp_is_running;
 120 extern GtkItemFactory *mainmenufactory;
 121
 122 extern const disorder_eclient_log_callbacks log_callbacks;
 123
 124 typedef void monitor_callback(void *u);
 125
 126 /* Functions --------------------------------------------------------------- */
 127
 128 disorder_eclient *gtkclient(void);
 129 /* Configure C for use in GTK+ programs */
 130
 131 void popup_protocol_error(int code,
 132                           const char *msg);
 133 /* Report an error */
 134
 135 void properties(int ntracks, const char **tracks);
 136 /* Pop up a properties window for a list of tracks */
 137
 138 void properties_reset(void);
 139
 140 GtkWidget *scroll_widget(GtkWidget *child);
 141 /* Wrap a widget up for scrolling */
 142
 143 GtkWidget *frame_widget(GtkWidget *w, const char *title);
 144
 145 GdkPixbuf *find_image(const char *name);
 146 /* Get the pixbuf for an image.  Returns a null pointer if it cannot be
 147  * found. */
 148
 149 void popup_msg(GtkMessageType mt, const char *msg);
 150 void popup_submsg(GtkWidget *parent, GtkMessageType mt, const char *msg);
 151
 152 void fpopup_msg(GtkMessageType mt, const char *fmt, ...);
 153
 154 struct progress_window *progress_window_new(const char *title);
 155 /* Pop up a progress window */
 156
 157 void progress_window_progress(struct progress_window *pw,
 158                               int progress,
 159                               int limit);
 160 /* Report current progress */
 161
 162 GtkWidget *iconbutton(const char *path, const char *tip);
 163
 164 GtkWidget *create_buttons(struct button *buttons,
 165                           size_t nbuttons);
 166 GtkWidget *create_buttons_box(struct button *buttons,
 167                               size_t nbuttons,
 168                               GtkWidget *box);
 169
 170 void register_monitor(monitor_callback *callback,
 171                       void *u,
 172                       unsigned long mask);
 173 /* Register a state monitor */
 174
 175 /** @brief Type signature for a reset callback */
 176 typedef void reset_callback(void);
 177
 178 void register_reset(reset_callback *callback);
 179 /* Register a reset callback */
 180
 181 void reset(void);
 182
 183 void all_update(void);
 184 /* Update everything */
 185
 186 /* Main menu */
 187
 188 GtkWidget *menubar(GtkWidget *w);
 189 /* Create the menu bar */
 190
 191 void menu_update(int page);
 192 /* Called whenever the main menu might need to change.  PAGE is the current
 193  * page if known or -1 otherwise. */
 194
 195 void users_set_sensitive(int sensitive);
 196
 197 /* Controls */
 198
 199 GtkWidget *control_widget(void);
 200 /* Make the controls widget */
 201
 202 void volume_update(void);
 203 /* Called whenever we think the volume control has changed */
 204
 205 void control_monitor(void *u);
 206
 207 extern int suppress_actions;
 208
 209 /* Queue/Recent/Added */
 210
 211 GtkWidget *queue_widget(void);
 212 GtkWidget *recent_widget(void);
 213 GtkWidget *added_widget(void);
 214 /* Create widgets for displaying the queue, the recently played list and the
 215  * newly added tracks list */
 216
 217 void queue_update(void);
 218 void recent_update(void);
 219 void added_update(void);
 220 /* Called whenever we think the queue, recent or newly-added list might have
 221  * changed */
 222
 223 void queue_select_all(struct queuelike *ql);
 224 void queue_select_none(struct queuelike *ql);
 225 /* Select all/none on some queue */
 226
 227 void queue_properties(struct queuelike *ql);
 228 /* Pop up properties of selected items in some queue */
 229
 230 int queued(const char *track);
 231 /* Return nonzero iff TRACK is queued or playing */
 232
 233 void namepart_update(const char *track,
 234                      const char *context,
 235                      const char *part);
 236 /* Called when a namepart might have changed */
 237
 238 /* Choose */
 239
 240 GtkWidget *choose_widget(void);
 241 /* Create a widget for choosing tracks */
 242
 243 void choose_update(void);
 244 /* Called when we think the choose tree might need updating */
 245
 246 void play_completed(void *v,
 247                     const char *error);
 248
 249 /* Login details */
 250
 251 void login_box(void);
 252
 253 GtkWidget *login_window;
 254
 255 /* User management */
 256
 257 void manage_users(void);
 258
 259 /* Help */
 260
 261 void popup_help(void);
 262
 263 /* RTP */
 264
 265 int rtp_running(void);
 266 void start_rtp(void);
 267 void stop_rtp(void);
 268
 269 /* Settings */
 270
 271 void init_styles(void);
 272 extern GtkStyle *layout_style;
 273 extern GtkStyle *title_style;
 274 extern GtkStyle *even_style;
 275 extern GtkStyle *odd_style;
 276 extern GtkStyle *active_style;
 277 extern GtkStyle *tool_style;
 278 extern GtkStyle *search_style;
 279 extern GtkStyle *drag_style;
 280
 281 extern const char *browser;
 282
 283 void save_settings(void);
 284 void load_settings(void);
 285 void set_tool_colors(GtkWidget *w);
 286 void popup_settings(void);
 287
 288 /* Widget leakage debugging rubbish ---------------------------------------- */
 289
 290 #if MDEBUG
 291 #define NW(what) do {                                   \
 292   if(++current##what % 100 > max##what) {               \
 293     fprintf(stderr, "%s:%d: %d %s\n",                   \
 294             __FILE__, __LINE__, current##what, #what);  \
 295     max##what = current##what;                          \
 296   }                                                     \
 297 } while(0)
 298 #define WT(what) static int current##what, max##what
 299 #define DW(what) (--current##what)
 300 #else
 301 #define NW(what) do { } while(0)
 302 #define DW(what) do { } while(0)
 303 #define WT(what) struct neverused
 304 #endif
 305
 306 #if MTRACK
 307 extern const char *mtag;
 308 #define MTAG(x) do { mtag = x; } while(0)
 309 #define MTAG_PUSH(x) do { const char *save_mtag = mtag; mtag = x; (void)0
 310 #define MTAG_POP() mtag = save_mtag; } while(0)
 311 #else
 312 #define MTAG(x) do { } while(0)
 313 #define MTAG_PUSH(x) do {} while(0)
 314 #define MTAG_POP() do {} while(0)
 315 #endif
 316
 317 #endif /* DISOBEDIENCE_H */
 318
 319 /*
 320 Local Variables:
 321 c-basic-offset:2
 322 comment-column:40
 323 fill-column:79
 324 indent-tabs-mode:nil
 325 End:
 326 */