summaryrefslogtreecommitdiff
path: root/gtk/gtkprintbackend.h
blob: f4524e89653e65f044ae37b671b16cf74446ddf8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/* GTK - The GIMP Toolkit
 * gtkprintbackend.h: Abstract printer backend interfaces
 * Copyright (C) 2006, Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __GTK_PRINT_BACKEND_H__
#define __GTK_PRINT_BACKEND_H__

/* This is a "semi-private" header; it is meant only for
 * alternate GtkPrintDialog backend modules; no stability guarantees
 * are made at this point
 */
#ifndef GTK_PRINT_BACKEND_ENABLE_UNSUPPORTED
#error "GtkPrintBackend is not supported API for general use"
#endif

#include <gtk/gtk.h>
#include <gtk/gtkunixprint.h>
#include <gtk/gtkprinteroptionset.h>

G_BEGIN_DECLS

typedef struct _GtkPrintBackendClass    GtkPrintBackendClass;
typedef struct _GtkPrintBackendPrivate  GtkPrintBackendPrivate;

#define GTK_PRINT_BACKEND_ERROR (gtk_print_backend_error_quark ())

typedef enum
{
  /* TODO: add specific errors */
  GTK_PRINT_BACKEND_ERROR_GENERIC
} GtkPrintBackendError;

GDK_AVAILABLE_IN_ALL
GQuark     gtk_print_backend_error_quark      (void);

#define GTK_TYPE_PRINT_BACKEND                  (gtk_print_backend_get_type ())
#define GTK_PRINT_BACKEND(obj)                  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_PRINT_BACKEND, GtkPrintBackend))
#define GTK_PRINT_BACKEND_CLASS(klass)          (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_PRINT_BACKEND, GtkPrintBackendClass))
#define GTK_IS_PRINT_BACKEND(obj)               (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_PRINT_BACKEND))
#define GTK_IS_PRINT_BACKEND_CLASS(klass)       (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_PRINT_BACKEND))
#define GTK_PRINT_BACKEND_GET_CLASS(obj)        (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_PRINT_BACKEND, GtkPrintBackendClass))

typedef enum 
{
  GTK_PRINT_BACKEND_STATUS_UNKNOWN,
  GTK_PRINT_BACKEND_STATUS_OK,
  GTK_PRINT_BACKEND_STATUS_UNAVAILABLE
} GtkPrintBackendStatus;

struct _GtkPrintBackend
{
  GObject parent_instance;

  GtkPrintBackendPrivate *priv;
};

struct _GtkPrintBackendClass
{
  GObjectClass parent_class;

  /* Global backend methods: */
  void                   (*request_printer_list)            (GtkPrintBackend        *backend);
  void                   (*print_stream)                    (GtkPrintBackend        *backend,
							     GtkPrintJob            *job,
							     GIOChannel             *data_io,
							     GtkPrintJobCompleteFunc callback,
							     gpointer                user_data,
							     GDestroyNotify          dnotify);

  /* Printer methods: */
  void                  (*printer_request_details)           (GtkPrinter          *printer);
  cairo_surface_t *     (*printer_create_cairo_surface)      (GtkPrinter          *printer,
							      GtkPrintSettings    *settings,
							      gdouble              height,
							      gdouble              width,
							      GIOChannel          *cache_io);
  GtkPrinterOptionSet * (*printer_get_options)               (GtkPrinter          *printer,
							      GtkPrintSettings    *settings,
							      GtkPageSetup        *page_setup,
							      GtkPrintCapabilities capabilities);
  gboolean              (*printer_mark_conflicts)            (GtkPrinter          *printer,
							      GtkPrinterOptionSet *options);
  void                  (*printer_get_settings_from_options) (GtkPrinter          *printer,
							      GtkPrinterOptionSet *options,
							      GtkPrintSettings    *settings);
  void                  (*printer_prepare_for_print)         (GtkPrinter          *printer,
							      GtkPrintJob         *print_job,
							      GtkPrintSettings    *settings,
							      GtkPageSetup        *page_setup);
  GList  *              (*printer_list_papers)               (GtkPrinter          *printer);
  GtkPageSetup *        (*printer_get_default_page_size)     (GtkPrinter          *printer);
  gboolean              (*printer_get_hard_margins)          (GtkPrinter          *printer,
							      gdouble             *top,
							      gdouble             *bottom,
							      gdouble             *left,
							      gdouble             *right);
  GtkPrintCapabilities  (*printer_get_capabilities)          (GtkPrinter          *printer);

  /* Signals */
  void                  (*printer_list_changed)              (GtkPrintBackend     *backend);
  void                  (*printer_list_done)                 (GtkPrintBackend     *backend);
  void                  (*printer_added)                     (GtkPrintBackend     *backend,
							      GtkPrinter          *printer);
  void                  (*printer_removed)                   (GtkPrintBackend     *backend,
							      GtkPrinter          *printer);
  void                  (*printer_status_changed)            (GtkPrintBackend     *backend,
							      GtkPrinter          *printer);
  void                  (*request_password)                  (GtkPrintBackend     *backend,
                                                              gpointer             auth_info_required,
                                                              gpointer             auth_info_default,
                                                              gpointer             auth_info_display,
                                                              gpointer             auth_info_visible,
                                                              const gchar         *prompt,
                                                              gboolean             can_store_auth_info);

  /* not a signal */
  void                  (*set_password)                      (GtkPrintBackend     *backend,
                                                              gchar              **auth_info_required,
                                                              gchar              **auth_info,
                                                              gboolean             store_auth_info);

  /* Padding for future expansion */
  void (*_gtk_reserved1) (void);
  void (*_gtk_reserved2) (void);
  void (*_gtk_reserved3) (void);
  void (*_gtk_reserved4) (void);
};

GDK_AVAILABLE_IN_ALL
GType   gtk_print_backend_get_type       (void) G_GNUC_CONST;

GDK_AVAILABLE_IN_ALL
GList      *gtk_print_backend_get_printer_list     (GtkPrintBackend         *print_backend);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_print_backend_printer_list_is_done (GtkPrintBackend         *print_backend);
GDK_AVAILABLE_IN_ALL
GtkPrinter *gtk_print_backend_find_printer         (GtkPrintBackend         *print_backend,
						    const gchar             *printer_name);
GDK_AVAILABLE_IN_ALL
void        gtk_print_backend_print_stream         (GtkPrintBackend         *print_backend,
						    GtkPrintJob             *job,
						    GIOChannel              *data_io,
						    GtkPrintJobCompleteFunc  callback,
						    gpointer                 user_data,
						    GDestroyNotify           dnotify);
GDK_AVAILABLE_IN_ALL
GList *     gtk_print_backend_load_modules         (void);
GDK_AVAILABLE_IN_ALL
void        gtk_print_backend_destroy              (GtkPrintBackend         *print_backend);
GDK_AVAILABLE_IN_ALL
void        gtk_print_backend_set_password         (GtkPrintBackend         *backend, 
                                                    gchar                  **auth_info_required,
                                                    gchar                  **auth_info,
                                                    gboolean                 can_store_auth_info);

/* Backend-only functions for GtkPrintBackend */

GDK_AVAILABLE_IN_ALL
void        gtk_print_backend_add_printer          (GtkPrintBackend         *print_backend,
						    GtkPrinter              *printer);
GDK_AVAILABLE_IN_ALL
void        gtk_print_backend_remove_printer       (GtkPrintBackend         *print_backend,
						    GtkPrinter              *printer);
GDK_AVAILABLE_IN_ALL
void        gtk_print_backend_set_list_done        (GtkPrintBackend         *backend);


/* Backend-only functions for GtkPrinter */
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_is_new                (GtkPrinter      *printer);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_accepts_pdf       (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_accepts_ps        (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_is_new            (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_is_active         (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_set_is_paused         (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_set_is_accepting_jobs (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_has_details       (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_is_default        (GtkPrinter      *printer,
					       gboolean         val);
GDK_AVAILABLE_IN_ALL
void        gtk_printer_set_icon_name         (GtkPrinter      *printer,
					       const gchar     *icon);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_set_job_count         (GtkPrinter      *printer,
					       gint             count);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_set_location          (GtkPrinter      *printer,
					       const gchar     *location);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_set_description       (GtkPrinter      *printer,
					       const gchar     *description);
GDK_AVAILABLE_IN_ALL
gboolean    gtk_printer_set_state_message     (GtkPrinter      *printer,
					       const gchar     *message);


G_END_DECLS

#endif /* __GTK_PRINT_BACKEND_H__ */