src/headerview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999,2000 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/gtkpixmap.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 "main.h"
  44 #include "headerview.h"
  45 #include "prefs_common.h"
  46 #include "gtkutils.h"
  47 #include "utils.h"
  48
  49 static GdkFont *boldfont;
  50
  51 #define TR(str) (prefs_common.trans_hdr ? gettext(str) : str)
  52
  53 #if 0
  54         _("From:");
  55         _("To:");
  56         _("Newsgroups:");
  57         _("Subject:");
  58 #endif
  59
  60 #if HAVE_LIBCOMPFACE
  61 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  62
  63 static gchar *xpm_xface[XPM_XFACE_HEIGHT];
  64
  65 static void headerview_show_xface       (HeaderView     *headerview,
  66                                          MsgInfo        *msginfo);
  67 static gint create_xpm_from_xface       (gchar          *xpm[],
  68                                          const gchar    *xface);
  69 #endif
  70
  71 HeaderView *headerview_create(void)
  72 {
  73         HeaderView *headerview;
  74         GtkWidget *hbox;
  75         GtkWidget *vbox;
  76         GtkWidget *hbox1;
  77         GtkWidget *hbox2;
  78         GtkWidget *from_header_label;
  79         GtkWidget *from_body_label;
  80         GtkWidget *to_header_label;
  81         GtkWidget *to_body_label;
  82         GtkWidget *ng_header_label;
  83         GtkWidget *ng_body_label;
  84         GtkWidget *subject_header_label;
  85         GtkWidget *subject_body_label;
  86
  87         debug_print(_("Creating header view...\n"));
  88         headerview = g_new0(HeaderView, 1);
  89
  90         hbox = gtk_hbox_new(FALSE, 0);
  91         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
  92         vbox = gtk_vbox_new(FALSE, 0);
  93         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
  94
  95         hbox1 = gtk_hbox_new(FALSE, 4);
  96         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
  97         hbox2 = gtk_hbox_new(FALSE, 4);
  98         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
  99
 100         from_header_label    = gtk_label_new(TR("From:"));
 101         from_body_label      = gtk_label_new("");
 102         to_header_label      = gtk_label_new(TR("To:"));
 103         to_body_label        = gtk_label_new("");
 104         ng_header_label      = gtk_label_new(TR("Newsgroups:"));
 105         ng_body_label        = gtk_label_new("");
 106         subject_header_label = gtk_label_new(TR("Subject:"));
 107         subject_body_label   = gtk_label_new("");
 108
 109         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
 110         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
 111         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
 112         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, FALSE, FALSE, 0);
 113         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
 114         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, FALSE, FALSE, 0);
 115         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
 116         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, FALSE, FALSE, 0);
 117
 118         headerview->hbox = hbox;
 119         headerview->from_header_label    = from_header_label;
 120         headerview->from_body_label      = from_body_label;
 121         headerview->to_header_label      = to_header_label;
 122         headerview->to_body_label        = to_body_label;
 123         headerview->ng_header_label      = ng_header_label;
 124         headerview->ng_body_label        = ng_body_label;
 125         headerview->subject_header_label = subject_header_label;
 126         headerview->subject_body_label   = subject_body_label;
 127         headerview->image = NULL;
 128
 129         gtk_widget_show_all(hbox);
 130
 131         return headerview;
 132 }
 133
 134 void headerview_init(HeaderView *headerview)
 135 {
 136         if (!boldfont)
 137                 boldfont = gdk_fontset_load(BOLD_FONT);
 138
 139 #define SET_FONT_STYLE(wid) \
 140 { \
 141         GtkStyle *style; \
 142  \
 143         style = gtk_style_copy(gtk_widget_get_style(headerview->wid)); \
 144         style->font = boldfont; \
 145         gtk_widget_set_style(headerview->wid, style); \
 146 }
 147
 148         SET_FONT_STYLE(from_header_label);
 149         SET_FONT_STYLE(to_header_label);
 150         SET_FONT_STYLE(ng_header_label);
 151         SET_FONT_STYLE(subject_header_label);
 152
 153         headerview_clear(headerview);
 154         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 155
 156 #if HAVE_LIBCOMPFACE
 157         {
 158                 gint i;
 159
 160                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 161                         xpm_xface[i] = g_malloc(WIDTH + 1);
 162                         *xpm_xface[i] = '\0';
 163                 }
 164         }
 165 #endif
 166 }
 167
 168 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 169 {
 170         headerview_clear(headerview);
 171
 172         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 173                            msginfo->from ? msginfo->from : _("(No From)"));
 174         if (msginfo->to) {
 175                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 176                                    msginfo->to);
 177                 gtk_widget_show(headerview->to_header_label);
 178                 gtk_widget_show(headerview->to_body_label);
 179         }
 180         if (msginfo->newsgroups) {
 181                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 182                                    msginfo->newsgroups);
 183                 gtk_widget_show(headerview->ng_header_label);
 184                 gtk_widget_show(headerview->ng_body_label);
 185         }
 186         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 187                            msginfo->subject ? msginfo->subject :
 188                            _("(No Subject)"));
 189
 190 #if HAVE_LIBCOMPFACE
 191         headerview_show_xface(headerview, msginfo);
 192 #endif
 193 }
 194
 195 #if HAVE_LIBCOMPFACE
 196 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 197 {
 198         gchar xface[2048];
 199         GdkPixmap *pixmap;
 200         GdkBitmap *mask;
 201         GtkWidget *hbox = headerview->hbox;
 202
 203         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
 204                 if (headerview->image &&
 205                     GTK_WIDGET_VISIBLE(headerview->image)) {
 206                         gtk_widget_hide(headerview->image);
 207                         gtk_widget_queue_resize(hbox);
 208                 }
 209                 return;
 210         }
 211
 212         strncpy(xface, msginfo->xface, sizeof(xface));
 213
 214         if (uncompface(xface) < 0) {
 215                 g_warning("uncompface failed\n");
 216                 if (headerview->image)
 217                         gtk_widget_hide(headerview->image);
 218                 return;
 219         }
 220
 221         create_xpm_from_xface(xpm_xface, xface);
 222
 223         pixmap = gdk_pixmap_create_from_xpm_d
 224                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
 225
 226         if (!headerview->image) {
 227                 GtkWidget *image;
 228
 229                 image = gtk_pixmap_new(pixmap, mask);
 230                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 231                 gtk_widget_show(image);
 232                 headerview->image = image;
 233         } else {
 234                 gtk_pixmap_set(GTK_PIXMAP(headerview->image), pixmap, mask);
 235                 gtk_widget_show(headerview->image);
 236         }
 237
 238         gdk_pixmap_unref(pixmap);
 239 }
 240 #endif
 241
 242 void headerview_clear(HeaderView *headerview)
 243 {
 244         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 245         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 246         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 247         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 248         gtk_widget_hide(headerview->to_header_label);
 249         gtk_widget_hide(headerview->to_body_label);
 250         gtk_widget_hide(headerview->ng_header_label);
 251         gtk_widget_hide(headerview->ng_body_label);
 252
 253         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 254                 gtk_widget_hide(headerview->image);
 255                 gtk_widget_queue_resize(headerview->hbox);
 256         }
 257 }
 258
 259 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 260 {
 261         if (visibility)
 262                 gtk_widget_show(headerview->hbox);
 263         else
 264                 gtk_widget_hide(headerview->hbox);
 265 }
 266
 267 void headerview_destroy(HeaderView *headerview)
 268 {
 269         g_free(headerview);
 270 }
 271
 272 #if HAVE_LIBCOMPFACE
 273 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 274 {
 275         static gchar *bit_pattern[] = {
 276                 "....",
 277                 "...#",
 278                 "..#.",
 279                 "..##",
 280                 ".#..",
 281                 ".#.#",
 282                 ".##.",
 283                 ".###",
 284                 "#...",
 285                 "#..#",
 286                 "#.#.",
 287                 "#.##",
 288                 "##..",
 289                 "##.#",
 290                 "###.",
 291                 "####"
 292         };
 293
 294         static gchar *xface_header = "48 48 2 1";
 295         static gchar *xface_black  = "# c #000000";
 296         static gchar *xface_white  = ". c #ffffff";
 297
 298         gint i, line = 0;
 299         const guchar *p;
 300         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
 301
 302         p = xface;
 303
 304         strcpy(xpm[line++], xface_header);
 305         strcpy(xpm[line++], xface_black);
 306         strcpy(xpm[line++], xface_white);
 307
 308         for (i = 0; i < HEIGHT; i++) {
 309                 gint col;
 310
 311                 buf[0] = '\0';
 312
 313                 for (col = 0; col < 3; col++) {
 314                         gint figure;
 315
 316                         p += 2;  /* skip '0x' */
 317
 318                         for (figure = 0; figure < 4; figure++) {
 319                                 gint n = 0;
 320
 321                                 if ('0' <= *p && *p <= '9') {
 322                                         n = *p - '0';
 323                                 } else if ('a' <= *p && *p <= 'f') {
 324                                         n = *p - 'a' + 10;
 325                                 } else if ('A' <= *p && *p <= 'F') {
 326                                         n = *p - 'A' + 10;
 327                                 }
 328
 329                                 strcat(buf, bit_pattern[n]);
 330                                 p++;  /* skip ',' */
 331                         }
 332
 333                         p++;  /* skip '\n' */
 334                 }
 335
 336                 strcpy(xpm[line++], buf);
 337                 p++;
 338         }
 339
 340         return 0;
 341 }
 342 #endif