src/headerview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <gdk-pixbuf/gdk-pixbuf.h>
  44
  45 #include "headerview.h"
  46 #include "prefs_common.h"
  47 #include "codeconv.h"
  48 #include "gtkutils.h"
  49 #include "utils.h"
  50 #include "base64.h"
  51
  52 #define TR(str) (prefs_common.trans_hdr ? gettext(str) : str)
  53
  54 #if HAVE_LIBCOMPFACE
  55 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  56
  57 static gchar *xpm_xface[XPM_XFACE_HEIGHT];
  58
  59 static void headerview_show_xface       (HeaderView     *headerview,
  60                                          MsgInfo        *msginfo);
  61 #endif
  62
  63 static gint headerview_show_face        (HeaderView     *headerview,
  64                                          MsgInfo        *msginfo);
  65
  66 HeaderView *headerview_create(void)
  67 {
  68         HeaderView *headerview;
  69         GtkWidget *hbox;
  70         GtkWidget *vbox;
  71         GtkWidget *hbox1;
  72         GtkWidget *hbox2;
  73         GtkWidget *from_header_label;
  74         GtkWidget *from_body_label;
  75         GtkWidget *to_header_label;
  76         GtkWidget *to_body_label;
  77         GtkWidget *ng_header_label;
  78         GtkWidget *ng_body_label;
  79         GtkWidget *subject_header_label;
  80         GtkWidget *subject_body_label;
  81
  82         debug_print("Creating header view...\n");
  83         headerview = g_new0(HeaderView, 1);
  84
  85         hbox = gtk_hbox_new(FALSE, 0);
  86         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
  87         vbox = gtk_vbox_new(FALSE, 2);
  88         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
  89
  90         hbox1 = gtk_hbox_new(FALSE, 4);
  91         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
  92         hbox2 = gtk_hbox_new(FALSE, 4);
  93         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
  94
  95         from_header_label    = gtk_label_new(TR("From:"));
  96         from_body_label      = gtk_label_new("");
  97         to_header_label      = gtk_label_new(TR("To:"));
  98         to_body_label        = gtk_label_new("");
  99         ng_header_label      = gtk_label_new(TR("Newsgroups:"));
 100         ng_body_label        = gtk_label_new("");
 101         subject_header_label = gtk_label_new(TR("Subject:"));
 102         subject_body_label   = gtk_label_new("");
 103
 104         gtk_label_set_selectable(GTK_LABEL(from_body_label), TRUE);
 105         gtk_label_set_selectable(GTK_LABEL(to_body_label), TRUE);
 106         gtk_label_set_selectable(GTK_LABEL(ng_body_label), TRUE);
 107         gtk_label_set_selectable(GTK_LABEL(subject_body_label), TRUE);
 108
 109         GTK_WIDGET_UNSET_FLAGS(from_body_label, GTK_CAN_FOCUS);
 110         GTK_WIDGET_UNSET_FLAGS(to_body_label, GTK_CAN_FOCUS);
 111         GTK_WIDGET_UNSET_FLAGS(ng_body_label, GTK_CAN_FOCUS);
 112         GTK_WIDGET_UNSET_FLAGS(subject_body_label, GTK_CAN_FOCUS);
 113
 114         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
 115         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
 116         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
 117         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, TRUE, TRUE, 0);
 118         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
 119         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, TRUE, TRUE, 0);
 120         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
 121         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, TRUE, TRUE, 0);
 122
 123         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
 124         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
 125         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
 126         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
 127         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
 128         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
 129
 130         headerview->hbox = hbox;
 131         headerview->from_header_label    = from_header_label;
 132         headerview->from_body_label      = from_body_label;
 133         headerview->to_header_label      = to_header_label;
 134         headerview->to_body_label        = to_body_label;
 135         headerview->ng_header_label      = ng_header_label;
 136         headerview->ng_body_label        = ng_body_label;
 137         headerview->subject_header_label = subject_header_label;
 138         headerview->subject_body_label   = subject_body_label;
 139         headerview->image = NULL;
 140
 141         gtk_widget_show_all(hbox);
 142
 143         return headerview;
 144 }
 145
 146 void headerview_set_font(HeaderView *headerview)
 147 {
 148         PangoFontDescription *boldfont = NULL;
 149         PangoFontDescription *normalfont = NULL;
 150
 151         if (!boldfont) {
 152                 normalfont = pango_font_description_from_string(NORMAL_FONT);
 153                 boldfont = pango_font_description_from_string(NORMAL_FONT);
 154                 pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);
 155         }
 156
 157         if (boldfont) {
 158                 gtk_widget_modify_font(headerview->from_header_label, boldfont);
 159                 gtk_widget_modify_font(headerview->to_header_label, boldfont);
 160                 gtk_widget_modify_font(headerview->ng_header_label, boldfont);
 161                 gtk_widget_modify_font(headerview->subject_header_label, boldfont);
 162                 pango_font_description_free(boldfont);
 163
 164                 gtk_widget_modify_font(headerview->from_body_label, normalfont);
 165                 gtk_widget_modify_font(headerview->to_body_label, normalfont);
 166                 gtk_widget_modify_font(headerview->ng_body_label, normalfont);
 167                 gtk_widget_modify_font(headerview->subject_body_label, normalfont);
 168                 pango_font_description_free(normalfont);
 169         }
 170 }
 171
 172 void headerview_init(HeaderView *headerview)
 173 {
 174         headerview_set_font(headerview);
 175         headerview_clear(headerview);
 176         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 177
 178 #if HAVE_LIBCOMPFACE
 179         {
 180                 gint i;
 181
 182                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 183                         xpm_xface[i] = g_malloc(WIDTH + 1);
 184                         *xpm_xface[i] = '\0';
 185                 }
 186         }
 187 #endif
 188 }
 189
 190 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 191 {
 192         headerview_clear(headerview);
 193
 194         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 195                            msginfo->from ? msginfo->from : _("(No From)"));
 196         if (msginfo->to) {
 197                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 198                                    msginfo->to);
 199                 gtk_widget_show(headerview->to_header_label);
 200                 gtk_widget_show(headerview->to_body_label);
 201         }
 202         if (msginfo->newsgroups) {
 203                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 204                                    msginfo->newsgroups);
 205                 gtk_widget_show(headerview->ng_header_label);
 206                 gtk_widget_show(headerview->ng_body_label);
 207         }
 208         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 209                            msginfo->subject ? msginfo->subject :
 210                            _("(No Subject)"));
 211
 212         if (!headerview_show_face(headerview, msginfo))
 213                 return;
 214
 215 #if HAVE_LIBCOMPFACE
 216         headerview_show_xface(headerview, msginfo);
 217 #endif
 218 }
 219
 220 #if HAVE_LIBCOMPFACE
 221 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 222 {
 223         GtkWidget *hbox = headerview->hbox;
 224         GtkWidget *image;
 225
 226         if (!msginfo->extradata ||
 227             !msginfo->extradata->xface ||
 228             strlen(msginfo->extradata->xface) < 5) {
 229                 if (headerview->image &&
 230                     GTK_WIDGET_VISIBLE(headerview->image)) {
 231                         gtk_widget_hide(headerview->image);
 232                         gtk_widget_queue_resize(hbox);
 233                 }
 234                 return;
 235         }
 236         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
 237
 238         if (headerview->image) {
 239                 gtk_widget_destroy(headerview->image);
 240                 headerview->image = NULL;
 241         }
 242
 243
 244         image = xface_get_from_header(msginfo->extradata->xface, &hbox->style->white,
 245                                 hbox->window);
 246
 247         if (image) {
 248                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 249                 gtk_widget_show(image);
 250         }
 251
 252         headerview->image = image;
 253 }
 254 #endif
 255
 256 static gint headerview_show_face (HeaderView *headerview, MsgInfo *msginfo)
 257 {
 258         GtkWidget *hbox = headerview->hbox;
 259         GtkWidget *image;
 260
 261         if (!msginfo->extradata || !msginfo->extradata->face) {
 262                 if (headerview->image &&
 263                     GTK_WIDGET_VISIBLE(headerview->image)) {
 264                         gtk_widget_hide(headerview->image);
 265                         gtk_widget_queue_resize(hbox);
 266                 }
 267                 return -1;
 268         }
 269         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return -1;
 270
 271         if (headerview->image) {
 272                 gtk_widget_destroy(headerview->image);
 273                 headerview->image = NULL;
 274         }
 275
 276
 277         image = face_get_from_header(msginfo->extradata->face);
 278
 279         if (image) {
 280                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 281                 gtk_widget_show(image);
 282         }
 283
 284         headerview->image = image;
 285         if (image == NULL)
 286                 return -1;
 287         else
 288                 return 0;
 289 }
 290
 291 void headerview_clear(HeaderView *headerview)
 292 {
 293         if (headerview == NULL)
 294                 return;
 295
 296         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 297         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 298         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 299         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 300         gtk_widget_hide(headerview->to_header_label);
 301         gtk_widget_hide(headerview->to_body_label);
 302         gtk_widget_hide(headerview->ng_header_label);
 303         gtk_widget_hide(headerview->ng_body_label);
 304
 305         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 306                 gtk_widget_hide(headerview->image);
 307                 gtk_widget_queue_resize(headerview->hbox);
 308         }
 309 }
 310
 311 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 312 {
 313         if (visibility)
 314                 gtk_widget_show(headerview->hbox);
 315         else
 316                 gtk_widget_hide(headerview->hbox);
 317 }
 318
 319 void headerview_destroy(HeaderView *headerview)
 320 {
 321         g_free(headerview);
 322 }