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 <glib/gi18n.h>
  28 #include <gtk/gtkwidget.h>
  29 #include <gtk/gtkstyle.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtkhbox.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtklabel.h>
  34 #include <gtk/gtkimage.h>
  35 #include <stdio.h>
  36 #include <string.h>
  37 #include <time.h>
  38
  39 #if HAVE_LIBCOMPFACE
  40 #  include <compface.h>
  41 #endif
  42
  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, TRUE, TRUE, 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, TRUE, TRUE, 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, TRUE, TRUE, 0);
 115
 116         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
 117         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
 118         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
 119 #if (GTK_MAJOR_VERSION > 2 || (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6))
 120         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
 121         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
 122         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
 123 #endif
 124         headerview->hbox = hbox;
 125         headerview->from_header_label    = from_header_label;
 126         headerview->from_body_label      = from_body_label;
 127         headerview->to_header_label      = to_header_label;
 128         headerview->to_body_label        = to_body_label;
 129         headerview->ng_header_label      = ng_header_label;
 130         headerview->ng_body_label        = ng_body_label;
 131         headerview->subject_header_label = subject_header_label;
 132         headerview->subject_body_label   = subject_body_label;
 133         headerview->image = NULL;
 134
 135         gtk_widget_show_all(hbox);
 136
 137         return headerview;
 138 }
 139
 140 void headerview_init(HeaderView *headerview)
 141 {
 142         static PangoFontDescription *boldfont = NULL;
 143
 144         if (!boldfont) {
 145                 boldfont = pango_font_description_from_string(BOLD_FONT);
 146                 pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);
 147         }
 148
 149         if (boldfont) {
 150                 gtk_widget_modify_font(headerview->from_header_label, boldfont);
 151                 gtk_widget_modify_font(headerview->to_header_label, boldfont);
 152                 gtk_widget_modify_font(headerview->ng_header_label, boldfont);
 153                 gtk_widget_modify_font(headerview->subject_header_label, boldfont);
 154         }
 155
 156         headerview_clear(headerview);
 157         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 158
 159 #if HAVE_LIBCOMPFACE
 160         {
 161                 gint i;
 162
 163                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 164                         xpm_xface[i] = g_malloc(WIDTH + 1);
 165                         *xpm_xface[i] = '\0';
 166                 }
 167         }
 168 #endif
 169 }
 170
 171 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 172 {
 173         headerview_clear(headerview);
 174
 175         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 176                            msginfo->from ? msginfo->from : _("(No From)"));
 177         if (msginfo->to) {
 178                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 179                                    msginfo->to);
 180                 gtk_widget_show(headerview->to_header_label);
 181                 gtk_widget_show(headerview->to_body_label);
 182         }
 183         if (msginfo->newsgroups) {
 184                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 185                                    msginfo->newsgroups);
 186                 gtk_widget_show(headerview->ng_header_label);
 187                 gtk_widget_show(headerview->ng_body_label);
 188         }
 189         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 190                            msginfo->subject ? msginfo->subject :
 191                            _("(No Subject)"));
 192
 193 #if HAVE_LIBCOMPFACE
 194         headerview_show_xface(headerview, msginfo);
 195 #endif
 196 }
 197
 198 #if HAVE_LIBCOMPFACE
 199 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 200 {
 201         gchar xface[2048];
 202         GdkPixmap *pixmap;
 203         GdkBitmap *mask;
 204         GtkWidget *hbox = headerview->hbox;
 205
 206         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
 207                 if (headerview->image &&
 208                     GTK_WIDGET_VISIBLE(headerview->image)) {
 209                         gtk_widget_hide(headerview->image);
 210                         gtk_widget_queue_resize(hbox);
 211                 }
 212                 return;
 213         }
 214         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
 215
 216         strncpy(xface, msginfo->xface, sizeof(xface));
 217
 218         if (uncompface(xface) < 0) {
 219                 g_warning("uncompface failed\n");
 220                 if (headerview->image)
 221                         gtk_widget_hide(headerview->image);
 222                 return;
 223         }
 224
 225         create_xpm_from_xface(xpm_xface, xface);
 226
 227         pixmap = gdk_pixmap_create_from_xpm_d
 228                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
 229
 230         if (!headerview->image) {
 231                 GtkWidget *image;
 232
 233                 image = gtk_image_new_from_pixmap(pixmap, mask);
 234                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 235                 gtk_widget_show(image);
 236                 headerview->image = image;
 237         } else {
 238                 gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image), pixmap, mask);
 239                 gtk_widget_show(headerview->image);
 240         }
 241
 242         g_object_unref(pixmap);
 243 }
 244 #endif
 245
 246 void headerview_clear(HeaderView *headerview)
 247 {
 248         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 249         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 250         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 251         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 252         gtk_widget_hide(headerview->to_header_label);
 253         gtk_widget_hide(headerview->to_body_label);
 254         gtk_widget_hide(headerview->ng_header_label);
 255         gtk_widget_hide(headerview->ng_body_label);
 256
 257         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 258                 gtk_widget_hide(headerview->image);
 259                 gtk_widget_queue_resize(headerview->hbox);
 260         }
 261 }
 262
 263 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 264 {
 265         if (visibility)
 266                 gtk_widget_show(headerview->hbox);
 267         else
 268                 gtk_widget_hide(headerview->hbox);
 269 }
 270
 271 void headerview_destroy(HeaderView *headerview)
 272 {
 273         g_free(headerview);
 274 }
 275
 276 #if HAVE_LIBCOMPFACE
 277 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 278 {
 279         static gchar *bit_pattern[] = {
 280                 "....",
 281                 "...#",
 282                 "..#.",
 283                 "..##",
 284                 ".#..",
 285                 ".#.#",
 286                 ".##.",
 287                 ".###",
 288                 "#...",
 289                 "#..#",
 290                 "#.#.",
 291                 "#.##",
 292                 "##..",
 293                 "##.#",
 294                 "###.",
 295                 "####"
 296         };
 297
 298         static gchar *xface_header = "48 48 2 1";
 299         static gchar *xface_black  = "# c #000000";
 300         static gchar *xface_white  = ". c #ffffff";
 301
 302         gint i, line = 0;
 303         const guchar *p;
 304         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
 305
 306         p = xface;
 307
 308         strcpy(xpm[line++], xface_header);
 309         strcpy(xpm[line++], xface_black);
 310         strcpy(xpm[line++], xface_white);
 311
 312         for (i = 0; i < HEIGHT; i++) {
 313                 gint col;
 314
 315                 buf[0] = '\0';
 316
 317                 for (col = 0; col < 3; col++) {
 318                         gint figure;
 319
 320                         p += 2;  /* skip '0x' */
 321
 322                         for (figure = 0; figure < 4; figure++) {
 323                                 gint n = 0;
 324
 325                                 if ('0' <= *p && *p <= '9') {
 326                                         n = *p - '0';
 327                                 } else if ('a' <= *p && *p <= 'f') {
 328                                         n = *p - 'a' + 10;
 329                                 } else if ('A' <= *p && *p <= 'F') {
 330                                         n = *p - 'A' + 10;
 331                                 }
 332
 333                                 strcat(buf, bit_pattern[n]);
 334                                 p++;  /* skip ',' */
 335                         }
 336
 337                         p++;  /* skip '\n' */
 338                 }
 339
 340                 strcpy(xpm[line++], buf);
 341                 p++;
 342         }
 343
 344         return 0;
 345 }
 346 #endif