aboutsummaryrefslogtreecommitdiffstats
path: root/addressbook/gui/minicard/e-reflow-sorted.c
blob: c70d7b2739abc876ae02ab761a394ddca25dc219 (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
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* 
 * e-reflow-sorted.c
 * Copyright (C) 2000  Helix Code, Inc.
 * Author: Chris Lahey <clahey@helixcode.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include <config.h>
#include <math.h>
#include <gnome.h>
#include "e-reflow-sorted.h"
#include <e-util/e-canvas-utils.h>
#include <e-util/e-canvas.h>
#include <e-util/e-util.h>

static void e_reflow_sorted_init        (EReflowSorted       *card);
static void e_reflow_sorted_class_init  (EReflowSortedClass  *klass);
static void e_reflow_sorted_set_arg (GtkObject *o, GtkArg *arg, guint arg_id);
static void e_reflow_sorted_get_arg (GtkObject *object, GtkArg *arg, guint arg_id);
static void e_reflow_sorted_add_item(EReflow *e_reflow, GnomeCanvasItem *item);

static EReflowClass *parent_class = NULL;

/* The arguments we take */
enum {
    ARG_0,
    ARG_COMPARE_FUNC,
    ARG_STRING_FUNC
};

GtkType
e_reflow_sorted_get_type (void)
{
  static GtkType reflow_type = 0;

  if (!reflow_type)
    {
      static const GtkTypeInfo reflow_info =
      {
        "EReflowSorted",
        sizeof (EReflowSorted),
        sizeof (EReflowSortedClass),
        (GtkClassInitFunc) e_reflow_sorted_class_init,
        (GtkObjectInitFunc) e_reflow_sorted_init,
        /* reserved_1 */ NULL,
        /* reserved_2 */ NULL,
        (GtkClassInitFunc) NULL,
      };

      reflow_type = gtk_type_unique (e_reflow_get_type (), &reflow_info);
    }

  return reflow_type;
}

static void
e_reflow_sorted_class_init (EReflowSortedClass *klass)
{
    GtkObjectClass *object_class;
    EReflowClass *reflow_class;
    
    object_class = (GtkObjectClass*) klass;
    reflow_class = E_REFLOW_CLASS (klass);
    
    parent_class = gtk_type_class (e_reflow_get_type ());
    
    gtk_object_add_arg_type ("EReflowSorted::compare_func", GTK_TYPE_POINTER,
                 GTK_ARG_READWRITE, ARG_COMPARE_FUNC);
    gtk_object_add_arg_type ("EReflowSorted::string_func", GTK_TYPE_POINTER,
                 GTK_ARG_READWRITE, ARG_STRING_FUNC);
    
    reflow_class->add_item  = e_reflow_sorted_add_item;
    
    object_class->set_arg   = e_reflow_sorted_set_arg;
    object_class->get_arg   = e_reflow_sorted_get_arg;
}

static void
e_reflow_sorted_init (EReflowSorted *reflow)
{
    reflow->compare_func = NULL;
    reflow->string_func = NULL;
}

static void
e_reflow_sorted_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
    GnomeCanvasItem *item;
    EReflowSorted *e_reflow_sorted;

    item = GNOME_CANVAS_ITEM (o);
    e_reflow_sorted = E_REFLOW_SORTED (o);
    
    switch (arg_id){
    case ARG_COMPARE_FUNC:
        e_reflow_sorted->compare_func = GTK_VALUE_POINTER (*arg);
        break;
    case ARG_STRING_FUNC:
        e_reflow_sorted->string_func  = GTK_VALUE_POINTER (*arg);
        break;
    }
}

static void
e_reflow_sorted_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
{
    EReflowSorted *e_reflow_sorted;

    e_reflow_sorted = E_REFLOW_SORTED (object);

    switch (arg_id) {
    case ARG_COMPARE_FUNC:
        GTK_VALUE_POINTER (*arg) = e_reflow_sorted->compare_func;
        break;
    case ARG_STRING_FUNC:
        GTK_VALUE_POINTER (*arg) = e_reflow_sorted->string_func;
        break;
    default:
      arg->type = GTK_TYPE_INVALID;
      break;
    }
}

void
e_reflow_sorted_remove_item(EReflowSorted *e_reflow_sorted, const gchar *id)
{
    if (e_reflow_sorted->string_func) {
        EReflow *reflow = E_REFLOW(e_reflow_sorted);
        GList *list;
        for (list = reflow->items; list; list = g_list_next(list)) {
            GnomeCanvasItem *item = list->data;
            char *string = e_reflow_sorted->string_func (item);
            if (string && !strcmp(string, id)) {
                reflow->items = g_list_remove_link(reflow->items, list);
                g_list_free_1(list);
                gtk_object_destroy(GTK_OBJECT(item));
                if ( GTK_OBJECT_FLAGS( e_reflow_sorted ) & GNOME_CANVAS_ITEM_REALIZED ) {
                    e_canvas_item_request_reflow(item);
                }
                return;
            }
        }
    }
}

void
e_reflow_sorted_replace_item(EReflowSorted *e_reflow_sorted, GnomeCanvasItem *item)
{
    if (e_reflow_sorted->string_func) {
        char *string = e_reflow_sorted->string_func (item);
        e_reflow_sorted_remove_item(e_reflow_sorted, string);
        e_reflow_sorted_add_item(E_REFLOW(e_reflow_sorted), item);
    }
}


static void
e_reflow_sorted_add_item(EReflow *reflow, GnomeCanvasItem *item)
{
    EReflowSorted *e_reflow_sorted = E_REFLOW_SORTED(reflow);
    if ( e_reflow_sorted->compare_func ) {
        reflow->items = g_list_insert_sorted(reflow->items, item, e_reflow_sorted->compare_func);

        if ( GTK_OBJECT_FLAGS( e_reflow_sorted ) & GNOME_CANVAS_ITEM_REALIZED ) {
            gnome_canvas_item_set(item,
                          "width", (double) reflow->column_width,
                          NULL);
            e_canvas_item_request_reflow(item);
        }
    }
}