src/headerview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtkwidget.h>
  28 #include <gtk/gtkstyle.h>
  29 #include <gtk/gtkscrolledwindow.h>
  30 #include <gtk/gtkhbox.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtklabel.h>
  33 #include <gtk/gtkimage.h>
  34 #include <stdio.h>
  35 #include <string.h>
  36 #include <time.h>
  37
  38 #if HAVE_LIBCOMPFACE
  39 #  include <compface.h>
  40 #endif
  41
  42 #include "intl.h"
  43 #include "headerview.h"
  44 #include "prefs_common.h"
  45 #include "codeconv.h"
  46 #include "gtkutils.h"
  47 #include "utils.h"
  48
  49 #define TR(str) (prefs_common.trans_hdr ? gettext(str) : str)
  50
  51 #if 0
  52         _("From:");
  53         _("To:");
  54         _("Newsgroups:");
  55         _("Subject:");
  56 #endif
  57
  58 #if HAVE_LIBCOMPFACE
  59 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  60
  61 static gchar *xpm_xface[XPM_XFACE_HEIGHT];
  62
  63 static void headerview_show_xface       (HeaderView     *headerview,
  64                                          MsgInfo        *msginfo);
  65 static gint create_xpm_from_xface       (gchar          *xpm[],
  66                                          const gchar    *xface);
  67 #endif
  68
  69 HeaderView *headerview_create(void)
  70 {
  71         HeaderView *headerview;
  72         GtkWidget *hbox;
  73         GtkWidget *vbox;
  74         GtkWidget *hbox1;
  75         GtkWidget *hbox2;
  76         GtkWidget *from_header_label;
  77         GtkWidget *from_body_label;
  78         GtkWidget *to_header_label;
  79         GtkWidget *to_body_label;
  80         GtkWidget *ng_header_label;
  81         GtkWidget *ng_body_label;
  82         GtkWidget *subject_header_label;
  83         GtkWidget *subject_body_label;
  84
  85         debug_print("Creating header view...\n");
  86         headerview = g_new0(HeaderView, 1);
  87
  88         hbox = gtk_hbox_new(FALSE, 0);
  89         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
  90         vbox = gtk_vbox_new(FALSE, 0);
  91         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
  92
  93         hbox1 = gtk_hbox_new(FALSE, 4);
  94         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
  95         hbox2 = gtk_hbox_new(FALSE, 4);
  96         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
  97
  98         from_header_label    = gtk_label_new(TR("From:"));
  99         from_body_label      = gtk_label_new("");
 100         to_header_label      = gtk_label_new(TR("To:"));
 101         to_body_label        = gtk_label_new("");
 102         ng_header_label      = gtk_label_new(TR("Newsgroups:"));
 103         ng_body_label        = gtk_label_new("");
 104         subject_header_label = gtk_label_new(TR("Subject:"));
 105         subject_body_label   = gtk_label_new("");
 106
 107         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
 108         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
 109         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
 110         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, FALSE, FALSE, 0);
 111         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
 112         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, FALSE, FALSE, 0);
 113         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
 114         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, FALSE, FALSE, 0);
 115
 116         headerview->hbox = hbox;
 117         headerview->from_header_label    = from_header_label;
 118         headerview->from_body_label      = from_body_label;
 119         headerview->to_header_label      = to_header_label;
 120         headerview->to_body_label        = to_body_label;
 121         headerview->ng_header_label      = ng_header_label;
 122         headerview->ng_body_label        = ng_body_label;
 123         headerview->subject_header_label = subject_header_label;
 124         headerview->subject_body_label   = subject_body_label;
 125         headerview->image = NULL;
 126
 127         gtk_widget_show_all(hbox);
 128
 129         return headerview;
 130 }
 131
 132 void headerview_init(HeaderView *headerview)
 133 {
 134         static PangoFontDescription *boldfont = NULL;
 135
 136         if (!boldfont && BOLD_FONT)
 137                 boldfont = pango_font_description_from_string
 138                                 (BOLD_FONT);
 139
 140 #define SET_FONT_STYLE(wid) \
 141 { \
 142         if (boldfont) \
 143                 gtk_widget_modify_font(headerview->wid, boldfont); \
 144 }
 145
 146         SET_FONT_STYLE(from_header_label);
 147         SET_FONT_STYLE(to_header_label);
 148         SET_FONT_STYLE(ng_header_label);
 149         SET_FONT_STYLE(subject_header_label);
 150
 151         headerview_clear(headerview);
 152         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 153
 154 #if HAVE_LIBCOMPFACE
 155         {
 156                 gint i;
 157
 158                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 159                         xpm_xface[i] = g_malloc(WIDTH + 1);
 160                         *xpm_xface[i] = '\0';
 161                 }
 162         }
 163 #endif
 164 }
 165
 166 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 167 {
 168         headerview_clear(headerview);
 169
 170         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 171                            msginfo->from ? msginfo->from : _("(No From)"));
 172         if (msginfo->to) {
 173                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 174                                    msginfo->to);
 175                 gtk_widget_show(headerview->to_header_label);
 176                 gtk_widget_show(headerview->to_body_label);
 177         }
 178         if (msginfo->newsgroups) {
 179                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 180                                    msginfo->newsgroups);
 181                 gtk_widget_show(headerview->ng_header_label);
 182                 gtk_widget_show(headerview->ng_body_label);
 183         }
 184         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 185                            msginfo->subject ? msginfo->subject :
 186                            _("(No Subject)"));
 187
 188 #if HAVE_LIBCOMPFACE
 189         headerview_show_xface(headerview, msginfo);
 190 #endif
 191 }
 192
 193 #if HAVE_LIBCOMPFACE
 194 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 195 {
 196         gchar xface[2048];
 197         GdkPixmap *pixmap;
 198         GdkBitmap *mask;
 199         GtkWidget *hbox = headerview->hbox;
 200
 201         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
 202                 if (headerview->image &&
 203                     GTK_WIDGET_VISIBLE(headerview->image)) {
 204                         gtk_widget_hide(headerview->image);
 205                         gtk_widget_queue_resize(hbox);
 206                 }
 207                 return;
 208         }
 209         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
 210
 211         strncpy(xface, msginfo->xface, sizeof(xface));
 212
 213         if (uncompface(xface) < 0) {
 214                 g_warning("uncompface failed\n");
 215                 if (headerview->image)
 216                         gtk_widget_hide(headerview->image);
 217                 return;
 218         }
 219
 220         create_xpm_from_xface(xpm_xface, xface);
 221
 222         pixmap = gdk_pixmap_create_from_xpm_d
 223                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
 224
 225         if (!headerview->image) {
 226                 GtkWidget *image;
 227
 228                 image = gtk_image_new_from_pixmap(pixmap, mask);
 229                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 230                 gtk_widget_show(image);
 231                 headerview->image = image;
 232         } else {
 233                 gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image), pixmap, mask);
 234                 gtk_widget_show(headerview->image);
 235         }
 236
 237         g_object_unref(pixmap);
 238 }
 239 #endif
 240
 241 void headerview_clear(HeaderView *headerview)
 242 {
 243         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 244         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 245         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 246         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 247         gtk_widget_hide(headerview->to_header_label);
 248         gtk_widget_hide(headerview->to_body_label);
 249         gtk_widget_hide(headerview->ng_header_label);
 250         gtk_widget_hide(headerview->ng_body_label);
 251
 252         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 253                 gtk_widget_hide(headerview->image);
 254                 gtk_widget_queue_resize(headerview->hbox);
 255         }
 256 }
 257
 258 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 259 {
 260         if (visibility)
 261                 gtk_widget_show(headerview->hbox);
 262         else
 263                 gtk_widget_hide(headerview->hbox);
 264 }
 265
 266 void headerview_destroy(HeaderView *headerview)
 267 {
 268         g_free(headerview);
 269 }
 270
 271 #if HAVE_LIBCOMPFACE
 272 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 273 {
 274         static gchar *bit_pattern[] = {
 275                 "....",
 276                 "...#",
 277                 "..#.",
 278                 "..##",
 279                 ".#..",
 280                 ".#.#",
 281                 ".##.",
 282                 ".###",
 283                 "#...",
 284                 "#..#",
 285                 "#.#.",
 286                 "#.##",
 287                 "##..",
 288                 "##.#",
 289                 "###.",
 290                 "####"
 291         };
 292
 293         static gchar *xface_header = "48 48 2 1";
 294         static gchar *xface_black  = "# c #000000";
 295         static gchar *xface_white  = ". c #ffffff";
 296
 297         gint i, line = 0;
 298         const guchar *p;
 299         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
 300
 301         p = xface;
 302
 303         strcpy(xpm[line++], xface_header);
 304         strcpy(xpm[line++], xface_black);
 305         strcpy(xpm[line++], xface_white);
 306
 307         for (i = 0; i < HEIGHT; i++) {
 308                 gint col;
 309
 310                 buf[0] = '\0';
 311
 312                 for (col = 0; col < 3; col++) {
 313                         gint figure;
 314
 315                         p += 2;  /* skip '0x' */
 316
 317                         for (figure = 0; figure < 4; figure++) {
 318                                 gint n = 0;
 319
 320                                 if ('0' <= *p && *p <= '9') {
 321                                         n = *p - '0';
 322                                 } else if ('a' <= *p && *p <= 'f') {
 323                                         n = *p - 'a' + 10;
 324                                 } else if ('A' <= *p && *p <= 'F') {
 325                                         n = *p - 'A' + 10;
 326                                 }
 327
 328                                 strcat(buf, bit_pattern[n]);
 329                                 p++;  /* skip ',' */
 330                         }
 331
 332                         p++;  /* skip '\n' */
 333                 }
 334
 335                 strcpy(xpm[line++], buf);
 336                 p++;
 337         }
 338
 339         return 0;
 340 }
 341 #endif