aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/misc/e-printable.c
blob: 27170fef84a29785665ee8cb7e9d9a5c49b3cd86 (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
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * e-printable.c: an object printer.
 *
 * Author:
 *   Christopher James Lahey <clahey@helixcode.com>
 *
 * (C) 2000 Helix Code, Inc.
 */
#include <config.h>
#include <gtk/gtksignal.h>
#include "e-util.h"
#include "e-printable.h"

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

#define PARENT_TYPE gtk_object_get_type ()
                      

static GtkObjectClass *e_printable_parent_class;

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

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

static void
e_printable_class_init (GtkObjectClass *object_class)
{
    EPrintableClass *klass = E_PRINTABLE_CLASS(object_class);
    e_printable_parent_class = gtk_type_class (PARENT_TYPE);
    
    e_printable_signals [PRINT_PAGE] =
        gtk_signal_new ("print_page",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (EPrintableClass, print_page),
                e_marshal_NONE__OBJECT_DOUBLE_DOUBLE_BOOL,
                GTK_TYPE_NONE, 4, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE, GTK_TYPE_BOOL);

    e_printable_signals [DATA_LEFT] =
        gtk_signal_new ("data_left",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (EPrintableClass, data_left),
                gtk_marshal_BOOL__NONE,
                GTK_TYPE_BOOL, 0, GTK_TYPE_NONE);

    e_printable_signals [RESET] =
        gtk_signal_new ("reset",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (EPrintableClass, reset),
                gtk_marshal_NONE__NONE,
                GTK_TYPE_NONE, 0, GTK_TYPE_NONE);

    e_printable_signals [HEIGHT] =
        gtk_signal_new ("height",
                GTK_RUN_LAST,
                object_class->type,
                GTK_SIGNAL_OFFSET (EPrintableClass, height),
                e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE,
                GTK_TYPE_DOUBLE, 3, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE);

    gtk_object_class_add_signals (object_class, e_printable_signals, LAST_SIGNAL);

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


guint
e_printable_get_type (void)
{
  static guint type = 0;

  if (!type)
    {
      GtkTypeInfo info =
      {
    "EPrintable",
    sizeof (EPrintable),
    sizeof (EPrintableClass),
    (GtkClassInitFunc) e_printable_class_init,
    NULL,
    /* reserved_1 */ NULL,
        /* reserved_2 */ NULL,
        (GtkClassInitFunc) NULL,
      };

      type = gtk_type_unique (gtk_object_get_type (), &info);
    }

  return type;
}

EPrintable *
e_printable_new(void)
{
    return E_PRINTABLE(gtk_type_new(e_printable_get_type()));
}

void
e_printable_print_page          (EPrintable        *e_printable,
                 GnomePrintContext *context,
                 gdouble            width,
                 gdouble            height,
                 gboolean           quantized)
{
    g_return_if_fail (e_printable != NULL);
    g_return_if_fail (E_IS_PRINTABLE (e_printable));
    
    gtk_signal_emit (GTK_OBJECT (e_printable),
             e_printable_signals [PRINT_PAGE],
             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);

    gtk_signal_emit (GTK_OBJECT (e_printable),
             e_printable_signals [DATA_LEFT],
             &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));
    
    gtk_signal_emit (GTK_OBJECT (e_printable),
             e_printable_signals [RESET]);
}

gdouble
e_printable_height              (EPrintable        *e_printable,
                 GnomePrintContext *context,
                 gdouble            width,
                 gdouble            max_height)
{
        gdouble ret_val;

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

    gtk_signal_emit (GTK_OBJECT (e_printable),
             e_printable_signals [HEIGHT],
             context,
             width,
             max_height,
             &ret_val);

    return ret_val;
}