aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/misc/e-printable.c
blob: eb10c8c1fee8c9c404284285134726ac5406086a (plain) (blame)
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
/*
 * This program 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) version 3.
 *
 * This program 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 the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Chris Lahey <clahey@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include <config.h>

#include <gtk/gtk.h>

#include "e-util/e-util.h"

#include "e-printable.h"

#define EP_CLASS(e) ((EPrintableClass *)((GtkObject *)e)->klass)

G_DEFINE_TYPE (
    EPrintable,
    e_printable,
    GTK_TYPE_OBJECT)

enum {
    PRINT_PAGE,
    DATA_LEFT,
    RESET,
    HEIGHT,
    WILL_FIT,
    LAST_SIGNAL
};

static guint e_printable_signals [LAST_SIGNAL] = { 0, };

static void
e_printable_class_init (EPrintableClass *klass)
{
    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    e_printable_signals [PRINT_PAGE] =
        g_signal_new ("print_page",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EPrintableClass, print_page),
                  NULL, NULL,
                  e_marshal_NONE__OBJECT_DOUBLE_DOUBLE_BOOLEAN,
                  G_TYPE_NONE, 4, G_TYPE_OBJECT, G_TYPE_DOUBLE,
                  G_TYPE_DOUBLE, G_TYPE_BOOLEAN);

    e_printable_signals [DATA_LEFT] =
        g_signal_new ("data_left",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EPrintableClass, data_left),
                  NULL, NULL,
                  e_marshal_BOOLEAN__NONE,
                  G_TYPE_BOOLEAN, 0, G_TYPE_NONE);

    e_printable_signals [RESET] =
        g_signal_new ("reset",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EPrintableClass, reset),
                  NULL, NULL,
                  g_cclosure_marshal_VOID__VOID,
                  G_TYPE_NONE, 0, G_TYPE_NONE);

    e_printable_signals [HEIGHT] =
        g_signal_new ("height",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EPrintableClass, height),
                  NULL, NULL,
                  e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE_BOOLEAN,
                  G_TYPE_DOUBLE, 4, G_TYPE_OBJECT, G_TYPE_DOUBLE,
                  G_TYPE_DOUBLE, G_TYPE_BOOLEAN);

    e_printable_signals [WILL_FIT] =
        g_signal_new ("will_fit",
                  G_OBJECT_CLASS_TYPE (object_class),
                  G_SIGNAL_RUN_LAST,
                  G_STRUCT_OFFSET (EPrintableClass, will_fit),
                  NULL, NULL,
                  e_marshal_BOOLEAN__OBJECT_DOUBLE_DOUBLE_BOOLEAN,
                  G_TYPE_BOOLEAN, 4, G_TYPE_OBJECT, G_TYPE_DOUBLE,
                  G_TYPE_DOUBLE, G_TYPE_BOOLEAN);

    klass->print_page = NULL;
    klass->data_left = NULL;
    klass->reset = NULL;
    klass->height = NULL;
    klass->will_fit = NULL;
}

static void
e_printable_init (EPrintable *e_printable)
{
    /* nothing to do */
}

EPrintable *
e_printable_new (void)
{
    return E_PRINTABLE (g_object_new (E_PRINTABLE_TYPE, NULL));
}

void
e_printable_print_page          (EPrintable        *e_printable,
                 GtkPrintContext *context,
                 gdouble            width,
                 gdouble            height,
                 gboolean           quantized)
{
    g_return_if_fail (e_printable != NULL);
    g_return_if_fail (E_IS_PRINTABLE (e_printable));

    g_signal_emit (e_printable,
               e_printable_signals [PRINT_PAGE], 0,
               context,
               width,
               height,
               quantized);
}

gboolean
e_printable_data_left           (EPrintable        *e_printable)
{
        gboolean ret_val;

    g_return_val_if_fail (e_printable != NULL, FALSE);
    g_return_val_if_fail (E_IS_PRINTABLE (e_printable), FALSE);

    g_signal_emit (e_printable,
               e_printable_signals [DATA_LEFT], 0,
               &ret_val);

    return ret_val;
}

void
e_printable_reset               (EPrintable        *e_printable)
{
    g_return_if_fail (e_printable != NULL);
    g_return_if_fail (E_IS_PRINTABLE (e_printable));

    g_signal_emit (e_printable,
               e_printable_signals [RESET], 0);
}

gdouble
e_printable_height              (EPrintable        *e_printable,
                 GtkPrintContext *context,
                 gdouble            width,
                 gdouble            max_height,
                 gboolean           quantized)
{
        gdouble ret_val;

    g_return_val_if_fail (e_printable != NULL, -1);
    g_return_val_if_fail (E_IS_PRINTABLE (e_printable), -1);

    g_signal_emit (e_printable,
               e_printable_signals [HEIGHT], 0,
               context,
               width,
               max_height,
               quantized,
               &ret_val);

    return ret_val;
}

gboolean
e_printable_will_fit            (EPrintable        *e_printable,
                 GtkPrintContext *context,
                 gdouble            width,
                 gdouble            max_height,
                 gboolean           quantized)
{
        gboolean ret_val;

    g_return_val_if_fail (e_printable != NULL, FALSE);
    g_return_val_if_fail (E_IS_PRINTABLE (e_printable), FALSE);

    g_signal_emit (e_printable,
               e_printable_signals [WILL_FIT], 0,
               context,
               width,
               max_height,
               quantized,
               &ret_val);

    return ret_val;
}