* add the MuMsgAttachView widget, for viewing/opening message attachments
This commit is contained in:
Dirk-Jan C. Binnema
213
widgets/mu-msg-attach-view.c
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213
widgets/mu-msg-attach-view.c
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/*
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** Copyright (C) 2011 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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**
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** This program is free software; you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by the
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** Free Software Foundation; either version 3, or (at your option) any
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** later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software Foundation,
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** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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*/
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#include "mu-msg-attach-view.h"
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#include "mu-widget-util.h"
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#include <mu-msg-part.h>
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enum {
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ICON_COL,
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NAME_COL,
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PARTNUM_COL,
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NUM_COL
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};
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/* 'private'/'protected' functions */
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static void mu_msg_attach_view_class_init (MuMsgAttachViewClass *klass);
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static void mu_msg_attach_view_init (MuMsgAttachView *obj);
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static void mu_msg_attach_view_finalize (GObject *obj);
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/* list my signals */
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enum {
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ATTACH_ACTIVATED,
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/* MY_SIGNAL_2, */
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LAST_SIGNAL
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};
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struct _MuMsgAttachViewPrivate {
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MuMsg *_msg;
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};
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#define MU_MSG_ATTACH_VIEW_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
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MU_TYPE_MSG_ATTACH_VIEW, \
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MuMsgAttachViewPrivate))
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/* globals */
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static GtkIconViewClass *parent_class = NULL;
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static guint signals[LAST_SIGNAL] = {0};
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G_DEFINE_TYPE (MuMsgAttachView, mu_msg_attach_view, GTK_TYPE_ICON_VIEW);
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static void
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mu_msg_attach_view_class_init (MuMsgAttachViewClass *klass)
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{
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GObjectClass *gobject_class;
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gobject_class = (GObjectClass*) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = mu_msg_attach_view_finalize;
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g_type_class_add_private (gobject_class, sizeof(MuMsgAttachViewPrivate));
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signals[ATTACH_ACTIVATED] =
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g_signal_new ("attach-activated",
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G_TYPE_FROM_CLASS (gobject_class),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (MuMsgAttachViewClass,
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attach_activated),
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NULL, NULL,
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g_cclosure_marshal_VOID__UINT_POINTER,
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G_TYPE_NONE, 2, G_TYPE_UINT, G_TYPE_POINTER);
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}
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static void
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item_activated (MuMsgAttachView *self, GtkTreePath *tpath)
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{
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GtkTreeModel *model;
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GtkTreeIter iter;
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guint partnum;
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model = gtk_icon_view_get_model (GTK_ICON_VIEW(self));
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if (!gtk_tree_model_get_iter (model, &iter, tpath)) {
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g_warning ("could not find path");
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}
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gtk_tree_model_get (model, &iter,
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PARTNUM_COL, &partnum,
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-1);
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g_signal_emit (G_OBJECT (self),
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signals[ATTACH_ACTIVATED], 0,
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partnum, self->_priv->_msg);
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}
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static void
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mu_msg_attach_view_init (MuMsgAttachView *obj)
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{
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GtkListStore *store;
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obj->_priv = MU_MSG_ATTACH_VIEW_GET_PRIVATE(obj);
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obj->_priv->_msg = NULL;
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store = gtk_list_store_new (NUM_COL,GDK_TYPE_PIXBUF,
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G_TYPE_STRING, G_TYPE_UINT);
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gtk_icon_view_set_model (GTK_ICON_VIEW(obj), GTK_TREE_MODEL(store));
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g_object_unref (store);
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gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW(obj), ICON_COL);
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gtk_icon_view_set_text_column (GTK_ICON_VIEW(obj), NAME_COL);
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gtk_icon_view_set_margin (GTK_ICON_VIEW(obj), 0);
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gtk_icon_view_set_spacing (GTK_ICON_VIEW(obj), 0);
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gtk_icon_view_set_item_padding (GTK_ICON_VIEW(obj), 0);
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gtk_icon_view_set_item_orientation (GTK_ICON_VIEW(obj),
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GTK_ORIENTATION_HORIZONTAL);
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g_signal_connect (G_OBJECT(obj), "item-activated",
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G_CALLBACK(item_activated), NULL);
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}
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static void
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mu_msg_attach_view_finalize (GObject *obj)
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{
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mu_msg_unref (MU_MSG_ATTACH_VIEW(obj)->_priv->_msg);
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G_OBJECT_CLASS(parent_class)->finalize (obj);
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}
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GtkWidget*
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mu_msg_attach_view_new (void)
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{
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return GTK_WIDGET(g_object_new(MU_TYPE_MSG_ATTACH_VIEW, NULL));
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}
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struct _CBData {
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GtkListStore *store;
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guint count;
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};
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typedef struct _CBData CBData;
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static void
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each_part (MuMsgPart *part, CBData *cbdata)
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{
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GtkTreeIter treeiter;
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GdkPixbuf *pixbuf;
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char ctype[128];
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/* not a real attachment */
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if (!mu_msg_part_file_name(part))
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return;
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if (!part->type || !part->subtype)
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snprintf (ctype, sizeof(ctype), "%s", "application/octet-stream");
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else
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snprintf (ctype, sizeof(ctype), "%s/%s", part->type, part->subtype);
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pixbuf = mu_widget_util_get_icon_pixbuf_for_content_type (ctype, 16);
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if (!pixbuf) {
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g_warning ("%s: could not get icon pixbuf for '%s'",
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__FUNCTION__, ctype);
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pixbuf = mu_widget_util_get_icon_pixbuf_for_content_type
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("application/octet-stream", 16);
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}
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gtk_list_store_append (cbdata->store, &treeiter);
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gtk_list_store_set (cbdata->store, &treeiter,
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NAME_COL, mu_msg_part_file_name (part),
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ICON_COL, pixbuf,
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PARTNUM_COL, part->index,
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-1);
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if (pixbuf)
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g_object_unref (pixbuf);
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++cbdata->count;
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}
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gint
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mu_msg_attach_view_set_message (MuMsgAttachView *self, MuMsg *msg)
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{
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GtkListStore *store;
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CBData cbdata;
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g_return_val_if_fail (MU_IS_MSG_ATTACH_VIEW(self), -1);
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store = GTK_LIST_STORE (gtk_icon_view_get_model (GTK_ICON_VIEW(self)));
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gtk_list_store_clear (store);
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if (self->_priv->_msg)
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mu_msg_unref (self->_priv->_msg);
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if (!msg)
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return 0;
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self->_priv->_msg = mu_msg_ref (msg);
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cbdata.store = store;
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cbdata.count = 0;
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mu_msg_msg_part_foreach (msg, (MuMsgPartForeachFunc)each_part, &cbdata);
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return cbdata.count;
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}
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