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, 2);
  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_label_set_selectable(GTK_LABEL(from_body_label), TRUE);
 108         gtk_label_set_selectable(GTK_LABEL(to_body_label), TRUE);
 109         gtk_label_set_selectable(GTK_LABEL(ng_body_label), TRUE);
 110         gtk_label_set_selectable(GTK_LABEL(subject_body_label), TRUE);
 111
 112         GTK_WIDGET_UNSET_FLAGS(from_body_label, GTK_CAN_FOCUS);
 113         GTK_WIDGET_UNSET_FLAGS(to_body_label, GTK_CAN_FOCUS);
 114         GTK_WIDGET_UNSET_FLAGS(ng_body_label, GTK_CAN_FOCUS);
 115         GTK_WIDGET_UNSET_FLAGS(subject_body_label, GTK_CAN_FOCUS);
 116
 117         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
 118         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
 119         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
 120         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, TRUE, TRUE, 0);
 121         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
 122         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, TRUE, TRUE, 0);
 123         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
 124         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, TRUE, TRUE, 0);
 125
 126         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
 127         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
 128         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
 129 #if GTK_CHECK_VERSION(2, 6, 0)
 130         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
 131         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
 132         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
 133 #endif
 134         headerview->hbox = hbox;
 135         headerview->from_header_label    = from_header_label;
 136         headerview->from_body_label      = from_body_label;
 137         headerview->to_header_label      = to_header_label;
 138         headerview->to_body_label        = to_body_label;
 139         headerview->ng_header_label      = ng_header_label;
 140         headerview->ng_body_label        = ng_body_label;
 141         headerview->subject_header_label = subject_header_label;
 142         headerview->subject_body_label   = subject_body_label;
 143         headerview->image = NULL;
 144
 145         gtk_widget_show_all(hbox);
 146
 147         return headerview;
 148 }
 149
 150 void headerview_init(HeaderView *headerview)
 151 {
 152         static PangoFontDescription *boldfont = NULL;
 153
 154         if (!boldfont) {
 155                 boldfont = pango_font_description_from_string(BOLD_FONT);
 156                 pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);
 157         }
 158
 159         if (boldfont) {
 160                 gtk_widget_modify_font(headerview->from_header_label, boldfont);
 161                 gtk_widget_modify_font(headerview->to_header_label, boldfont);
 162                 gtk_widget_modify_font(headerview->ng_header_label, boldfont);
 163                 gtk_widget_modify_font(headerview->subject_header_label, boldfont);
 164         }
 165
 166         headerview_clear(headerview);
 167         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 168
 169 #if HAVE_LIBCOMPFACE
 170         {
 171                 gint i;
 172
 173                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 174                         xpm_xface[i] = g_malloc(WIDTH + 1);
 175                         *xpm_xface[i] = '\0';
 176                 }
 177         }
 178 #endif
 179 }
 180
 181 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 182 {
 183         headerview_clear(headerview);
 184
 185         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 186                            msginfo->from ? msginfo->from : _("(No From)"));
 187         if (msginfo->to) {
 188                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 189                                    msginfo->to);
 190                 gtk_widget_show(headerview->to_header_label);
 191                 gtk_widget_show(headerview->to_body_label);
 192         }
 193         if (msginfo->newsgroups) {
 194                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 195                                    msginfo->newsgroups);
 196                 gtk_widget_show(headerview->ng_header_label);
 197                 gtk_widget_show(headerview->ng_body_label);
 198         }
 199         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 200                            msginfo->subject ? msginfo->subject :
 201                            _("(No Subject)"));
 202
 203 #if HAVE_LIBCOMPFACE
 204         headerview_show_xface(headerview, msginfo);
 205 #endif
 206 }
 207
 208 #if HAVE_LIBCOMPFACE
 209 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 210 {
 211         gchar xface[2048];
 212         GdkPixmap *pixmap;
 213         GdkBitmap *mask;
 214         GtkWidget *hbox = headerview->hbox;
 215
 216         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
 217                 if (headerview->image &&
 218                     GTK_WIDGET_VISIBLE(headerview->image)) {
 219                         gtk_widget_hide(headerview->image);
 220                         gtk_widget_queue_resize(hbox);
 221                 }
 222                 return;
 223         }
 224         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
 225
 226         strncpy(xface, msginfo->xface, sizeof(xface));
 227
 228         if (uncompface(xface) < 0) {
 229                 g_warning("uncompface failed\n");
 230                 if (headerview->image)
 231                         gtk_widget_hide(headerview->image);
 232                 return;
 233         }
 234
 235         create_xpm_from_xface(xpm_xface, xface);
 236
 237         pixmap = gdk_pixmap_create_from_xpm_d
 238                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
 239
 240         if (!headerview->image) {
 241                 GtkWidget *image;
 242
 243                 image = gtk_image_new_from_pixmap(pixmap, mask);
 244                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 245                 gtk_widget_show(image);
 246                 headerview->image = image;
 247         } else {
 248                 gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image), pixmap, mask);
 249                 gtk_widget_show(headerview->image);
 250         }
 251
 252         g_object_unref(pixmap);
 253 }
 254 #endif
 255
 256 void headerview_clear(HeaderView *headerview)
 257 {
 258         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 259         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 260         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 261         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 262         gtk_widget_hide(headerview->to_header_label);
 263         gtk_widget_hide(headerview->to_body_label);
 264         gtk_widget_hide(headerview->ng_header_label);
 265         gtk_widget_hide(headerview->ng_body_label);
 266
 267         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 268                 gtk_widget_hide(headerview->image);
 269                 gtk_widget_queue_resize(headerview->hbox);
 270         }
 271 }
 272
 273 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 274 {
 275         if (visibility)
 276                 gtk_widget_show(headerview->hbox);
 277         else
 278                 gtk_widget_hide(headerview->hbox);
 279 }
 280
 281 void headerview_destroy(HeaderView *headerview)
 282 {
 283         g_free(headerview);
 284 }
 285
 286 #if HAVE_LIBCOMPFACE
 287 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
 288 {
 289         static gchar *bit_pattern[] = {
 290                 "....",
 291                 "...#",
 292                 "..#.",
 293                 "..##",
 294                 ".#..",
 295                 ".#.#",
 296                 ".##.",
 297                 ".###",
 298                 "#...",
 299                 "#..#",
 300                 "#.#.",
 301                 "#.##",
 302                 "##..",
 303                 "##.#",
 304                 "###.",
 305                 "####"
 306         };
 307
 308         static gchar *xface_header = "48 48 2 1";
 309         static gchar *xface_black  = "# c #000000";
 310         static gchar *xface_white  = ". c #ffffff";
 311
 312         gint i, line = 0;
 313         const guchar *p;
 314         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
 315
 316         p = xface;
 317
 318         strcpy(xpm[line++], xface_header);
 319         strcpy(xpm[line++], xface_black);
 320         strcpy(xpm[line++], xface_white);
 321
 322         for (i = 0; i < HEIGHT; i++) {
 323                 gint col;
 324
 325                 buf[0] = '\0';
 326
 327                 for (col = 0; col < 3; col++) {
 328                         gint figure;
 329
 330                         p += 2;  /* skip '0x' */
 331
 332                         for (figure = 0; figure < 4; figure++) {
 333                                 gint n = 0;
 334
 335                                 if ('0' <= *p && *p <= '9') {
 336                                         n = *p - '0';
 337                                 } else if ('a' <= *p && *p <= 'f') {
 338                                         n = *p - 'a' + 10;
 339                                 } else if ('A' <= *p && *p <= 'F') {
 340                                         n = *p - 'A' + 10;
 341                                 }
 342
 343                                 strcat(buf, bit_pattern[n]);
 344                                 p++;  /* skip ',' */
 345                         }
 346
 347                         p++;  /* skip '\n' */
 348                 }
 349
 350                 strcpy(xpm[line++], buf);
 351                 p++;
 352         }
 353
 354         return 0;
 355 }
 356 #endif