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/* -*-mode:c; c-style:k&r; c-basic-offset:4; -*- */
/* Balsa E-Mail Client
* Copyright (C) 1997-2001 Stuart Parmenter and others
* Written by (C) Albrecht Dre <albrecht.dress@arcor.de> 2007
*
* This program 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, 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#if defined(HAVE_CONFIG_H) && HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */
#include "balsa-print-object-default.h"
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include "balsa-print-object.h"
#include "libbalsa-vfs.h"
/* object related functions */
static void
balsa_print_object_default_class_init(BalsaPrintObjectDefaultClass *
klass);
static void balsa_print_object_default_init(GTypeInstance * instance,
gpointer g_class);
static void balsa_print_object_default_destroy(GObject * self);
static void balsa_print_object_default_draw(BalsaPrintObject * self,
GtkPrintContext * context,
cairo_t * cairo_ctx);
static BalsaPrintObjectClass *parent_class = NULL;
GType
balsa_print_object_default_get_type()
{
static GType balsa_print_object_default_type = 0;
if (!balsa_print_object_default_type) {
static const GTypeInfo balsa_print_object_default_info = {
sizeof(BalsaPrintObjectDefaultClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) balsa_print_object_default_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof(BalsaPrintObjectDefault),
0, /* n_preallocs */
(GInstanceInitFunc) balsa_print_object_default_init
};
balsa_print_object_default_type =
g_type_register_static(BALSA_TYPE_PRINT_OBJECT,
"BalsaPrintObjectDefault",
&balsa_print_object_default_info, 0);
}
return balsa_print_object_default_type;
}
static void
balsa_print_object_default_class_init(BalsaPrintObjectDefaultClass * klass)
{
parent_class = g_type_class_ref(BALSA_TYPE_PRINT_OBJECT);
BALSA_PRINT_OBJECT_CLASS(klass)->draw =
balsa_print_object_default_draw;
G_OBJECT_CLASS(klass)->finalize = balsa_print_object_default_destroy;
}
static void
balsa_print_object_default_init(GTypeInstance * instance, gpointer g_class)
{
BalsaPrintObjectDefault *po = BALSA_PRINT_OBJECT_DEFAULT(instance);
po->pixbuf = NULL;
po->description = NULL;
}
static void
balsa_print_object_default_destroy(GObject * self)
{
BalsaPrintObjectDefault *po = BALSA_PRINT_OBJECT_DEFAULT(self);
if (po->pixbuf)
g_object_unref(po->pixbuf);
g_free(po->description);
G_OBJECT_CLASS(parent_class)->finalize(self);
}
GList *
balsa_print_object_default(GList * list,
GtkPrintContext * context,
LibBalsaMessageBody * body,
BalsaPrintSetup * psetup)
{
BalsaPrintObjectDefault *pod;
BalsaPrintObject *po;
gchar *conttype;
PangoFontDescription *header_font;
PangoLayout *test_layout;
PangoTabArray *tabs;
GString *desc_buf;
gdouble c_max_height;
gchar *part_desc;
pod = g_object_new(BALSA_TYPE_PRINT_OBJECT_DEFAULT, NULL);
g_assert(pod != NULL);
po = BALSA_PRINT_OBJECT(pod);
/* create the part */
po->depth = psetup->curr_depth;
po->c_width =
psetup->c_width - 2 * psetup->curr_depth * C_LABEL_SEP;
/* get a pixbuf according to the mime type */
conttype = libbalsa_message_body_get_mime_type(body);
pod->pixbuf =
libbalsa_icon_finder(conttype, NULL, NULL, GTK_ICON_SIZE_DND);
pod->c_image_width = gdk_pixbuf_get_width(pod->pixbuf);
pod->c_image_height = gdk_pixbuf_get_height(pod->pixbuf);
/* create a layout for calculating the maximum label width */
header_font =
pango_font_description_from_string(balsa_app.print_header_font);
test_layout = gtk_print_context_create_pango_layout(context);
pango_layout_set_font_description(test_layout, header_font);
pango_font_description_free(header_font);
desc_buf = g_string_new("");
/* add type and filename (if available) */
pod->p_label_width =
p_string_width_from_layout(test_layout, _("Type:"));
if ((part_desc = libbalsa_vfs_content_description(conttype)))
g_string_append_printf(desc_buf, "%s\t%s (%s)", _("Type:"),
part_desc, conttype);
else
g_string_append_printf(desc_buf, "%s\t%s", _("Type:"), conttype);
g_free(part_desc);
g_free(conttype);
if (body->filename) {
gint p_fnwidth =
p_string_width_from_layout(test_layout, _("File name:"));
if (p_fnwidth > pod->p_label_width)
pod->p_label_width = p_fnwidth;
g_string_append_printf(desc_buf, "\n%s\t%s", _("File name:"),
body->filename);
}
/* add a small space between label and value */
pod->p_label_width += C_TO_P(C_LABEL_SEP);
/* configure the layout so we can calculate the text height */
pango_layout_set_indent(test_layout, -pod->p_label_width);
tabs =
pango_tab_array_new_with_positions(1, FALSE, PANGO_TAB_LEFT,
pod->p_label_width);
pango_layout_set_tabs(test_layout, tabs);
pango_tab_array_free(tabs);
pango_layout_set_width(test_layout,
C_TO_P(po->c_width -
4 * C_LABEL_SEP - pod->c_image_width));
pango_layout_set_alignment(test_layout, PANGO_ALIGN_LEFT);
pod->c_text_height =
P_TO_C(p_string_height_from_layout(test_layout, desc_buf->str));
pod->description = g_string_free(desc_buf, FALSE);
/* check if we should move to the next page */
c_max_height = MAX(pod->c_text_height, pod->c_image_height);
if (psetup->c_y_pos + c_max_height > psetup->c_height) {
psetup->c_y_pos = 0;
psetup->page_count++;
}
/* remember the extent */
po->on_page = psetup->page_count - 1;
po->c_at_x = psetup->c_x0 + po->depth * C_LABEL_SEP;
po->c_at_y = psetup->c_y0 + psetup->c_y_pos;
po->c_width = psetup->c_width - 2 * po->depth * C_LABEL_SEP;
po->c_height = c_max_height;
/* adjust the y position */
psetup->c_y_pos += c_max_height;
return g_list_append(list, po);
}
static void
balsa_print_object_default_draw(BalsaPrintObject * self,
GtkPrintContext * context,
cairo_t * cairo_ctx)
{
BalsaPrintObjectDefault *pod;
gdouble c_max_height;
gdouble c_offset;
PangoLayout *layout;
PangoFontDescription *font;
PangoTabArray *tabs;
/* set up */
pod = BALSA_PRINT_OBJECT_DEFAULT(self);
g_assert(pod != NULL);
c_max_height = MAX(pod->c_text_height, pod->c_image_height);
c_offset = pod->c_image_width + 4 * C_LABEL_SEP;
/* print the icon */
if (pod->pixbuf)
cairo_print_pixbuf(cairo_ctx, pod->pixbuf, self->c_at_x,
self->c_at_y, 1.0);
/* print the description */
font = pango_font_description_from_string(balsa_app.print_header_font);
layout = gtk_print_context_create_pango_layout(context);
pango_layout_set_font_description(layout, font);
pango_font_description_free(font);
pango_layout_set_indent(layout, -pod->p_label_width);
tabs =
pango_tab_array_new_with_positions(1, FALSE, PANGO_TAB_LEFT,
pod->p_label_width);
pango_layout_set_tabs(layout, tabs);
pango_tab_array_free(tabs);
pango_layout_set_width(layout, C_TO_P(self->c_width - c_offset));
pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
pango_layout_set_text(layout, pod->description, -1);
cairo_move_to(cairo_ctx, self->c_at_x + c_offset,
self->c_at_y + (c_max_height -
pod->c_text_height) * 0.5);
pango_cairo_show_layout(cairo_ctx, layout);
g_object_unref(G_OBJECT(layout));
}
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