Sylpheed

/*

 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client

 * Copyright (C) 1999-2012 Hiroyuki Yamamoto

 *

 * 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 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 program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 */

#ifdef HAVE_CONFIG_H

#  include "config.h"

#endif

#include "defs.h"

#include <glib.h>

#include <glib/gi18n.h>

#include <gtk/gtkwidget.h>

#include <gtk/gtkstyle.h>

#include <gtk/gtkscrolledwindow.h>

#include <gtk/gtkhbox.h>

#include <gtk/gtkvbox.h>

#include <gtk/gtklabel.h>

#include <gtk/gtkpixmap.h>

#include <gtk/gtkimage.h>

#include <gtk/gtktooltips.h>

#include <stdio.h>

#include <string.h>

#include <time.h>

#if HAVE_LIBCOMPFACE

#  include <compface.h>

#endif

#include "main.h"

#include "headerview.h"

#include "prefs_common.h"

#include "codeconv.h"

#include "gtkutils.h"

#include "utils.h"

#define TR(str)        (prefs_common.trans_hdr ? gettext(str) : str)

#if 0

        _("From:");

        _("To:");

        _("Cc:");

        _("Newsgroups:");

        _("Subject:");

#endif

#if HAVE_LIBCOMPFACE

#define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */

static gchar *xpm_xface[XPM_XFACE_HEIGHT];

static void headerview_show_xface        (HeaderView        *headerview,

                                         MsgInfo        *msginfo);

static gint create_xpm_from_xface        (gchar                *xpm[],

                                         const gchar        *xface);

#endif

HeaderView *headerview_create(void)

{

        HeaderView *headerview;

        GtkWidget *hbox;

        GtkWidget *vbox;

        GtkWidget *hbox1;

        GtkWidget *hbox2;

        GtkWidget *from_header_label;

        GtkWidget *from_body_label;

        GtkWidget *to_header_label;

        GtkWidget *to_body_label;

        GtkWidget *cc_header_label;

        GtkWidget *cc_body_label;

        GtkWidget *ng_header_label;

        GtkWidget *ng_body_label;

        GtkWidget *subject_header_label;

        GtkWidget *subject_body_label;

        GtkTooltips *tip;

        debug_print(_("Creating header view...\n"));

        headerview = g_new0(HeaderView, 1);

        hbox = gtk_hbox_new(FALSE, 0);

        gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);

        vbox = gtk_vbox_new(FALSE, 2);

        gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);

        hbox1 = gtk_hbox_new(FALSE, 4);

        gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);

        hbox2 = gtk_hbox_new(FALSE, 4);

        gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);

        from_header_label    = gtk_label_new(TR("From:"));

        from_body_label      = gtk_label_new("");

        to_header_label      = gtk_label_new(TR("To:"));

        to_body_label        = gtk_label_new("");

        cc_header_label      = gtk_label_new(TR("Cc:"));

        cc_body_label        = gtk_label_new("");

        ng_header_label      = gtk_label_new(TR("Newsgroups:"));

        ng_body_label        = gtk_label_new("");

        subject_header_label = gtk_label_new(TR("Subject:"));

        subject_body_label   = gtk_label_new("");

        gtk_label_set_selectable(GTK_LABEL(from_body_label), TRUE);

        gtk_label_set_selectable(GTK_LABEL(to_body_label), TRUE);

        gtk_label_set_selectable(GTK_LABEL(cc_body_label), TRUE);

        gtk_label_set_selectable(GTK_LABEL(ng_body_label), TRUE);

        gtk_label_set_selectable(GTK_LABEL(subject_body_label), TRUE);

        GTK_WIDGET_UNSET_FLAGS(from_body_label, GTK_CAN_FOCUS);

        GTK_WIDGET_UNSET_FLAGS(to_body_label, GTK_CAN_FOCUS);

        GTK_WIDGET_UNSET_FLAGS(cc_body_label, GTK_CAN_FOCUS);

        GTK_WIDGET_UNSET_FLAGS(ng_body_label, GTK_CAN_FOCUS);

        GTK_WIDGET_UNSET_FLAGS(subject_body_label, GTK_CAN_FOCUS);

        gtk_widget_add_events(from_body_label, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);

        gtk_widget_add_events(to_body_label, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);

        gtk_widget_add_events(cc_body_label, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);

        gtk_widget_add_events(ng_body_label, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);

        gtk_widget_add_events(subject_body_label, GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);

        tip = gtk_tooltips_new();

        g_object_ref_sink(tip);

        gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), cc_header_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), cc_body_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);

        gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, FALSE, FALSE, 0);

        headerview->hbox = hbox;

        headerview->from_header_label    = from_header_label;

        headerview->from_body_label      = from_body_label;

        headerview->to_header_label      = to_header_label;

        headerview->to_body_label        = to_body_label;

        headerview->cc_header_label      = cc_header_label;

        headerview->cc_body_label        = cc_body_label;

        headerview->ng_header_label      = ng_header_label;

        headerview->ng_body_label        = ng_body_label;

        headerview->subject_header_label = subject_header_label;

        headerview->subject_body_label   = subject_body_label;

        headerview->image = NULL;

        headerview->tip = tip;

        gtk_widget_show_all(hbox);

        return headerview;

}

void headerview_init(HeaderView *headerview)

{

        static PangoFontDescription *boldfont = NULL;

#ifdef G_OS_WIN32

        GtkStyle *style;

#endif

        if (!boldfont) {

                boldfont = pango_font_description_new();

                pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);

        }

        if (boldfont) {

                gtk_widget_modify_font(headerview->from_header_label, boldfont);

                gtk_widget_modify_font(headerview->to_header_label, boldfont);

                gtk_widget_modify_font(headerview->cc_header_label, boldfont);

                gtk_widget_modify_font(headerview->ng_header_label, boldfont);

                gtk_widget_modify_font(headerview->subject_header_label, boldfont);

        }

#ifdef G_OS_WIN32

#define SET_LABEL_STYLE(label)                                                \

        style = gtk_widget_get_style(label);                                \

        gtk_widget_modify_base(label, GTK_STATE_ACTIVE,                        \

                               &style->base[GTK_STATE_SELECTED]);        \

        gtk_widget_modify_text(label, GTK_STATE_ACTIVE,                        \

                               &style->text[GTK_STATE_SELECTED]);

        SET_LABEL_STYLE(headerview->from_body_label);

        SET_LABEL_STYLE(headerview->to_body_label);

        SET_LABEL_STYLE(headerview->cc_body_label);

        SET_LABEL_STYLE(headerview->ng_body_label);

        SET_LABEL_STYLE(headerview->subject_body_label);

#undef SET_LABEL_STYLE

#endif

        headerview_clear(headerview);

        headerview_set_visibility(headerview, prefs_common.display_header_pane);

#if HAVE_LIBCOMPFACE

        {

                gint i;

                for (i = 0; i < XPM_XFACE_HEIGHT; i++) {

                        xpm_xface[i] = g_malloc(WIDTH + 1);

                        *xpm_xface[i] = '\0';

                }

        }

#endif

}

void headerview_show(HeaderView *headerview, MsgInfo *msginfo)

{

        headerview_clear(headerview);

        gtk_tooltips_enable(headerview->tip);

        gtk_label_set_text(GTK_LABEL(headerview->from_body_label),

                           msginfo->from ? msginfo->from : _("(No From)"));

        if (msginfo->from) {

                gtk_widget_show(headerview->from_body_label);

                gtk_tooltips_set_tip(headerview->tip, headerview->from_body_label, msginfo->from, NULL);

        }

        if (msginfo->to) {

                gtk_label_set_text(GTK_LABEL(headerview->to_body_label),

                                   msginfo->to);

                gtk_widget_show(headerview->to_header_label);

                gtk_widget_show(headerview->to_body_label);

                gtk_tooltips_set_tip(headerview->tip, headerview->to_body_label, msginfo->to, NULL);

        }

        if (msginfo->cc) {

                gtk_label_set_text(GTK_LABEL(headerview->cc_body_label),

                                   msginfo->cc);

                gtk_widget_show(headerview->cc_header_label);

                gtk_widget_show(headerview->cc_body_label);

                gtk_tooltips_set_tip(headerview->tip, headerview->cc_body_label, msginfo->cc, NULL);

        }

        if (msginfo->newsgroups) {

                gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),

                                   msginfo->newsgroups);

                gtk_widget_show(headerview->ng_header_label);

                gtk_widget_show(headerview->ng_body_label);

                gtk_tooltips_set_tip(headerview->tip, headerview->ng_body_label, msginfo->newsgroups, NULL);

        }

        gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),

                           msginfo->subject ? msginfo->subject

                           : _("(No Subject)"));

        if (msginfo->subject) {

                gtk_widget_show(headerview->subject_body_label);

                gtk_tooltips_set_tip(headerview->tip, headerview->subject_body_label, msginfo->subject, NULL);

        }

#if HAVE_LIBCOMPFACE

        headerview_show_xface(headerview, msginfo);

#endif

}

#if HAVE_LIBCOMPFACE

static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)

{

        gchar xface[2048];

        GdkPixmap *pixmap;

        GdkBitmap *mask;

        GtkWidget *hbox = headerview->hbox;

        if (!msginfo->xface || strlen(msginfo->xface) < 5) {

                if (headerview->image &&

                    GTK_WIDGET_VISIBLE(headerview->image)) {

                        gtk_widget_hide(headerview->image);

                        gtk_widget_queue_resize(hbox);

                }

                return;

        }

        if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;

        strncpy(xface, msginfo->xface, sizeof(xface));

        if (uncompface(xface) < 0) {

                g_warning("uncompface failed\n");

                if (headerview->image)

                        gtk_widget_hide(headerview->image);

                return;

        }

        create_xpm_from_xface(xpm_xface, xface);

        pixmap = gdk_pixmap_create_from_xpm_d

                (hbox->window, &mask, &hbox->style->white, xpm_xface);

        if (!headerview->image) {

                GtkWidget *image;

                image = gtk_image_new_from_pixmap(pixmap, mask);

                gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);

                gtk_widget_show(image);

                headerview->image = image;

        } else {

                gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image),

                                          pixmap, mask);

                gtk_widget_show(headerview->image);

        }

        gdk_pixmap_unref(pixmap);

}

#endif

void headerview_clear(HeaderView *headerview)

{

        gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");

        gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");

        gtk_label_set_text(GTK_LABEL(headerview->cc_body_label), "");

        gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");

        gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");

        gtk_widget_hide(headerview->from_body_label);

        gtk_widget_hide(headerview->to_header_label);

        gtk_widget_hide(headerview->to_body_label);

        gtk_widget_hide(headerview->cc_header_label);

        gtk_widget_hide(headerview->cc_body_label);

        gtk_widget_hide(headerview->ng_header_label);

        gtk_widget_hide(headerview->ng_body_label);

        gtk_widget_hide(headerview->subject_body_label);

        gtk_tooltips_disable(headerview->tip);

        if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {

                gtk_widget_hide(headerview->image);

                gtk_widget_queue_resize(headerview->hbox);

        }

}

void headerview_set_visibility(HeaderView *headerview, gboolean visibility)

{

        if (visibility)

                gtk_widget_show(headerview->hbox);

        else

                gtk_widget_hide(headerview->hbox);

}

void headerview_destroy(HeaderView *headerview)

{

        g_object_unref(headerview->tip);

        g_free(headerview);

}

#if HAVE_LIBCOMPFACE

static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)

{

        static gchar *bit_pattern[] = {

                "....",

                "...#",

                "..#.",

                "..##",

                ".#..",

                ".#.#",

                ".##.",

                ".###",

                "#...",

                "#..#",

                "#.#.",

                "#.##",

                "##..",

                "##.#",

                "###.",

                "####"

        };

        static gchar *xface_header = "48 48 2 1";

        static gchar *xface_black  = "# c #000000";

        static gchar *xface_white  = ". c #ffffff";

        gint i, line = 0;

        const guchar *p;

        gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */

        p = (const guchar *)xface;

        strcpy(xpm[line++], xface_header);

        strcpy(xpm[line++], xface_black);

        strcpy(xpm[line++], xface_white);

        for (i = 0; i < HEIGHT; i++) {

                gint col;

                buf[0] = '\0';

                for (col = 0; col < 3; col++) {

                        gint figure;

                        p += 2;  /* skip '0x' */

                        for (figure = 0; figure < 4; figure++) {

                                gint n = 0;

                                if ('0' <= *p && *p <= '9') {

                                        n = *p - '0';

                                } else if ('a' <= *p && *p <= 'f') {

                                        n = *p - 'a' + 10;

                                } else if ('A' <= *p && *p <= 'F') {

                                        n = *p - 'A' + 10;

                                }

                                strcat(buf, bit_pattern[n]);

                                p++;  /* skip ',' */

                        }

                        p++;  /* skip '\n' */

                }

                strcpy(xpm[line++], buf);

                p++;

        }

        return 0;

}

#endif