gio/gapplication.h

   1 /*
   2  * Copyright © 2010 Codethink Limited
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License as published
   6  * by the Free Software Foundation; either version 2 of the licence or (at
   7  * your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General
  15  * Public License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  *
  19  * Authors: Ryan Lortie <desrt@desrt.ca>
  20  */
  21
  22 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
  23 #error "Only <gio/gio.h> can be included directly."
  24 #endif
  25
  26 #ifndef __G_APPLICATION_H__
  27 #define __G_APPLICATION_H__
  28
  29 #include <gio/giotypes.h>
  30
  31 G_BEGIN_DECLS
  32
  33 #define G_TYPE_APPLICATION                                  (g_application_get_type ())
  34 #define G_APPLICATION(inst)                                 (G_TYPE_CHECK_INSTANCE_CAST ((inst),                     \
  35                                                              G_TYPE_APPLICATION, GApplication))
  36 #define G_APPLICATION_CLASS(class)                          (G_TYPE_CHECK_CLASS_CAST ((class),                       \
  37                                                              G_TYPE_APPLICATION, GApplicationClass))
  38 #define G_IS_APPLICATION(inst)                              (G_TYPE_CHECK_INSTANCE_TYPE ((inst), G_TYPE_APPLICATION))
  39 #define G_IS_APPLICATION_CLASS(class)                       (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_APPLICATION))
  40 #define G_APPLICATION_GET_CLASS(inst)                       (G_TYPE_INSTANCE_GET_CLASS ((inst),                      \
  41                                                              G_TYPE_APPLICATION, GApplicationClass))
  42
  43 typedef struct _GApplicationPrivate                         GApplicationPrivate;
  44 typedef struct _GApplicationClass                           GApplicationClass;
  45
  46 /**
  47  * GApplication:
  48  *
  49  * The <structname>GApplication</structname> structure contains private
  50  * data and should only be accessed using the provided API
  51  *
  52  * Since: 2.28
  53  */
  54 struct _GApplication
  55 {
  56   /*< private >*/
  57   GObject parent_instance;
  58
  59   GApplicationPrivate *priv;
  60 };
  61
  62 /**
  63  * GApplicationClass:
  64  * @startup: invoked on the primary instance immediately after registration
  65  * @shutdown: invoked only on the registered primary instance immediately
  66  *      after the main loop terminates
  67  * @activate: invoked on the primary instance when an activation occurs
  68  * @open: invoked on the primary instance when there are files to open
  69  * @command_line: invoked on the primary instance when a command-line is
  70  *   not handled locally
  71  * @local_command_line: invoked (locally) when the process has been invoked
  72  *     via commandline execution (as opposed to, say, D-Bus activation - which
  73  *     is not currently supported by GApplication). The virtual function has
  74  *     the chance to inspect (and possibly replace) the list of command line
  75  *     arguments. See g_application_run() for more information.
  76  * @before_emit: invoked on the primary instance before 'activate', 'open',
  77  *     'command-line' or any action invocation, gets the 'platform data' from
  78  *     the calling instance
  79  * @after_emit: invoked on the primary instance after 'activate', 'open',
  80  *     'command-line' or any action invocation, gets the 'platform data' from
  81  *     the calling instance
  82  * @add_platform_data: invoked (locally) to add 'platform data' to be sent to
  83  *     the primary instance when activating, opening or invoking actions
  84  * @quit_mainloop: Used to be invoked on the primary instance when the use
  85  *     count of the application drops to zero (and after any inactivity
  86  *     timeout, if requested). Not used anymore since 2.32
  87  * @run_mainloop: Used to be invoked on the primary instance from
  88  *     g_application_run() if the use-count is non-zero. Since 2.32,
  89  *     GApplication is iterating the main context directly and is not
  90  *     using @run_mainloop anymore
  91  *
  92  * Since: 2.28
  93  */
  94 struct _GApplicationClass
  95 {
  96   /*< private >*/
  97   GObjectClass parent_class;
  98
  99   /*< public >*/
 100   /* signals */
 101   void                      (* startup)             (GApplication              *application);
 102
 103   void                      (* activate)            (GApplication              *application);
 104
 105   void                      (* open)                (GApplication              *application,
 106                                                      GFile                    **files,
 107                                                      gint                       n_files,
 108                                                      const gchar               *hint);
 109
 110   int                       (* command_line)        (GApplication              *application,
 111                                                      GApplicationCommandLine   *command_line);
 112
 113   /* vfuncs */
 114   gboolean                  (* local_command_line)  (GApplication              *application,
 115                                                      gchar                   ***arguments,
 116                                                      int                       *exit_status);
 117
 118   void                      (* before_emit)         (GApplication              *application,
 119                                                      GVariant                  *platform_data);
 120   void                      (* after_emit)          (GApplication              *application,
 121                                                      GVariant                  *platform_data);
 122   void                      (* add_platform_data)   (GApplication              *application,
 123                                                      GVariantBuilder           *builder);
 124   void                      (* quit_mainloop)       (GApplication              *application);
 125   void                      (* run_mainloop)        (GApplication              *application);
 126   void                      (* shutdown)            (GApplication              *application);
 127
 128   /*< private >*/
 129   gpointer padding[11];
 130 };
 131
 132 GType                   g_application_get_type                          (void) G_GNUC_CONST;
 133
 134 gboolean                g_application_id_is_valid                       (const gchar              *application_id);
 135
 136 GApplication *          g_application_new                               (const gchar              *application_id,
 137                                                                          GApplicationFlags         flags);
 138
 139 const gchar *           g_application_get_application_id                (GApplication             *application);
 140 void                    g_application_set_application_id                (GApplication             *application,
 141                                                                          const gchar              *application_id);
 142
 143 guint                   g_application_get_inactivity_timeout            (GApplication             *application);
 144 void                    g_application_set_inactivity_timeout            (GApplication             *application,
 145                                                                          guint                     inactivity_timeout);
 146
 147 GApplicationFlags       g_application_get_flags                         (GApplication             *application);
 148 void                    g_application_set_flags                         (GApplication             *application,
 149                                                                          GApplicationFlags         flags);
 150
 151 void                    g_application_set_action_group                  (GApplication             *application,
 152                                                                          GActionGroup             *action_group);
 153
 154 void                    g_application_set_menu                          (GApplication             *application,
 155                                                                          GMenuModel                *menu);
 156 GMenuModel             *g_application_get_menu                          (GApplication             *application);
 157
 158 gboolean                g_application_get_is_registered                 (GApplication             *application);
 159 gboolean                g_application_get_is_remote                     (GApplication             *application);
 160
 161 gboolean                g_application_register                          (GApplication             *application,
 162                                                                          GCancellable             *cancellable,
 163                                                                          GError                  **error);
 164
 165 void                    g_application_hold                              (GApplication             *application);
 166 void                    g_application_release                           (GApplication             *application);
 167
 168 void                    g_application_activate                          (GApplication             *application);
 169
 170 void                    g_application_open                              (GApplication             *application,
 171                                                                          GFile                   **files,
 172                                                                          gint                      n_files,
 173                                                                          const gchar              *hint);
 174
 175 int                     g_application_run                               (GApplication             *application,
 176                                                                          int                       argc,
 177                                                                          char                    **argv);
 178
 179 GApplication *          g_application_get_default                       (void);
 180 void                    g_application_set_default                       (GApplication             *application);
 181
 182 G_END_DECLS
 183
 184 #endif /* __G_APPLICATION_H__ */