src/headerview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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 #include "headers.h"
  52
  53 #if HAVE_LIBCOMPFACE
  54 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
  55
  56 static gchar *xpm_xface[XPM_XFACE_HEIGHT];
  57
  58 static void headerview_show_xface       (HeaderView     *headerview,
  59                                          MsgInfo        *msginfo);
  60 #endif
  61
  62 static gint headerview_show_face        (HeaderView     *headerview,
  63                                          MsgInfo        *msginfo);
  64
  65 HeaderView *headerview_create(void)
  66 {
  67         HeaderView *headerview;
  68         GtkWidget *hbox;
  69         GtkWidget *vbox;
  70         GtkWidget *hbox1;
  71         GtkWidget *hbox2;
  72         GtkWidget *hbox3;
  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         GtkWidget *tags_header_label;
  82         GtkWidget *tags_body_label;
  83
  84         debug_print("Creating header view...\n");
  85         headerview = g_new0(HeaderView, 1);
  86
  87         hbox = gtk_hbox_new(FALSE, 0);
  88         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
  89         vbox = gtk_vbox_new(FALSE, 2);
  90         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
  91
  92         hbox1 = gtk_hbox_new(FALSE, 4);
  93         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
  94         hbox2 = gtk_hbox_new(FALSE, 4);
  95         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
  96         hbox3 = gtk_hbox_new(FALSE, 4);
  97         gtk_box_pack_start(GTK_BOX(vbox), hbox3, FALSE, FALSE, 0);
  98
  99         from_header_label    = gtk_label_new(prefs_common_translated_header_name("From:"));
 100         from_body_label      = gtk_label_new("");
 101         to_header_label      = gtk_label_new(prefs_common_translated_header_name("To:"));
 102         to_body_label        = gtk_label_new("");
 103         ng_header_label      = gtk_label_new(prefs_common_translated_header_name("Newsgroups:"));
 104         ng_body_label        = gtk_label_new("");
 105         subject_header_label = gtk_label_new(prefs_common_translated_header_name("Subject:"));
 106         subject_body_label   = gtk_label_new("");
 107         tags_header_label = gtk_label_new(_("Tags:"));
 108         tags_body_label   = gtk_label_new("");
 109
 110         gtk_label_set_selectable(GTK_LABEL(from_body_label), TRUE);
 111         gtk_label_set_selectable(GTK_LABEL(to_body_label), TRUE);
 112         gtk_label_set_selectable(GTK_LABEL(ng_body_label), TRUE);
 113         gtk_label_set_selectable(GTK_LABEL(subject_body_label), TRUE);
 114         gtk_label_set_selectable(GTK_LABEL(tags_body_label), TRUE);
 115
 116         GTK_WIDGET_UNSET_FLAGS(from_body_label, GTK_CAN_FOCUS);
 117         GTK_WIDGET_UNSET_FLAGS(to_body_label, GTK_CAN_FOCUS);
 118         GTK_WIDGET_UNSET_FLAGS(ng_body_label, GTK_CAN_FOCUS);
 119         GTK_WIDGET_UNSET_FLAGS(subject_body_label, GTK_CAN_FOCUS);
 120         GTK_WIDGET_UNSET_FLAGS(tags_body_label, GTK_CAN_FOCUS);
 121
 122         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
 123         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
 124         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
 125         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, TRUE, TRUE, 0);
 126         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
 127         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, TRUE, TRUE, 0);
 128         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
 129         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, TRUE, TRUE, 0);
 130         gtk_box_pack_start(GTK_BOX(hbox3), tags_header_label, FALSE, FALSE, 0);
 131         gtk_box_pack_start(GTK_BOX(hbox3), tags_body_label, TRUE, TRUE, 0);
 132
 133         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
 134         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
 135         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
 136         gtk_misc_set_alignment(GTK_MISC(tags_body_label), 0, 0.5);
 137         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
 138         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
 139         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
 140         gtk_label_set_ellipsize(GTK_LABEL(tags_body_label), PANGO_ELLIPSIZE_END);
 141
 142         headerview->hbox = hbox;
 143         headerview->from_header_label    = from_header_label;
 144         headerview->from_body_label      = from_body_label;
 145         headerview->to_header_label      = to_header_label;
 146         headerview->to_body_label        = to_body_label;
 147         headerview->ng_header_label      = ng_header_label;
 148         headerview->ng_body_label        = ng_body_label;
 149         headerview->subject_header_label = subject_header_label;
 150         headerview->subject_body_label   = subject_body_label;
 151         headerview->tags_header_label = tags_header_label;
 152         headerview->tags_body_label   = tags_body_label;
 153         headerview->image = NULL;
 154
 155         gtk_widget_show_all(hbox);
 156
 157         return headerview;
 158 }
 159
 160 void headerview_set_font(HeaderView *headerview)
 161 {
 162         PangoFontDescription *boldfont = NULL;
 163         PangoFontDescription *normalfont = NULL;
 164
 165         if (!boldfont) {
 166                 normalfont = pango_font_description_from_string(NORMAL_FONT);
 167                 boldfont = pango_font_description_from_string(NORMAL_FONT);
 168                 pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);
 169         }
 170
 171         if (boldfont) {
 172                 gtk_widget_modify_font(headerview->from_header_label, boldfont);
 173                 gtk_widget_modify_font(headerview->to_header_label, boldfont);
 174                 gtk_widget_modify_font(headerview->ng_header_label, boldfont);
 175                 gtk_widget_modify_font(headerview->subject_header_label, boldfont);
 176                 gtk_widget_modify_font(headerview->tags_header_label, boldfont);
 177                 pango_font_description_free(boldfont);
 178
 179                 gtk_widget_modify_font(headerview->from_body_label, normalfont);
 180                 gtk_widget_modify_font(headerview->to_body_label, normalfont);
 181                 gtk_widget_modify_font(headerview->ng_body_label, normalfont);
 182                 gtk_widget_modify_font(headerview->subject_body_label, normalfont);
 183                 gtk_widget_modify_font(headerview->tags_body_label, normalfont);
 184                 pango_font_description_free(normalfont);
 185         }
 186 }
 187
 188 void headerview_init(HeaderView *headerview)
 189 {
 190         headerview_set_font(headerview);
 191         headerview_clear(headerview);
 192         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 193
 194 #if HAVE_LIBCOMPFACE
 195         {
 196                 gint i;
 197
 198                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 199                         xpm_xface[i] = g_malloc(WIDTH + 1);
 200                         *xpm_xface[i] = '\0';
 201                 }
 202         }
 203 #endif
 204 }
 205
 206 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 207 {
 208         gchar *tags = procmsg_msginfo_get_tags_str(msginfo);
 209
 210         headerview_clear(headerview);
 211
 212         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 213                            msginfo->from ? msginfo->from : _("(No From)"));
 214         if (msginfo->to) {
 215                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 216                                    msginfo->to);
 217                 gtk_widget_show(headerview->to_header_label);
 218                 gtk_widget_show(headerview->to_body_label);
 219         }
 220         if (msginfo->newsgroups) {
 221                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 222                                    msginfo->newsgroups);
 223                 gtk_widget_show(headerview->ng_header_label);
 224                 gtk_widget_show(headerview->ng_body_label);
 225         }
 226         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 227                            msginfo->subject ? msginfo->subject :
 228                            _("(No Subject)"));
 229         if (tags) {
 230                 gtk_label_set_text(GTK_LABEL(headerview->tags_body_label),
 231                                    tags);
 232                 gtk_widget_show(headerview->tags_header_label);
 233                 gtk_widget_show(headerview->tags_body_label);
 234                 g_free(tags);
 235         }
 236         if (!headerview_show_face(headerview, msginfo))
 237                 return;
 238
 239 #if HAVE_LIBCOMPFACE
 240         headerview_show_xface(headerview, msginfo);
 241 #endif
 242 }
 243
 244 #if HAVE_LIBCOMPFACE
 245 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 246 {
 247         GtkWidget *hbox = headerview->hbox;
 248         GtkWidget *image;
 249
 250         if (!msginfo->extradata ||
 251             !msginfo->extradata->xface ||
 252             strlen(msginfo->extradata->xface) < 5) {
 253                 if (headerview->image &&
 254                     GTK_WIDGET_VISIBLE(headerview->image)) {
 255                         gtk_widget_hide(headerview->image);
 256                         gtk_widget_queue_resize(hbox);
 257                 }
 258                 return;
 259         }
 260         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
 261
 262         if (headerview->image) {
 263                 gtk_widget_destroy(headerview->image);
 264                 headerview->image = NULL;
 265         }
 266
 267
 268         image = xface_get_from_header(msginfo->extradata->xface, &hbox->style->white,
 269                                 hbox->window);
 270
 271         if (image) {
 272                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 273                 gtk_widget_show(image);
 274         }
 275
 276         headerview->image = image;
 277 }
 278 #endif
 279
 280 static gint headerview_show_face (HeaderView *headerview, MsgInfo *msginfo)
 281 {
 282         GtkWidget *hbox = headerview->hbox;
 283         GtkWidget *image;
 284
 285         if (!msginfo->extradata || !msginfo->extradata->face) {
 286                 if (headerview->image &&
 287                     GTK_WIDGET_VISIBLE(headerview->image)) {
 288                         gtk_widget_hide(headerview->image);
 289                         gtk_widget_queue_resize(hbox);
 290                 }
 291                 return -1;
 292         }
 293         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return -1;
 294
 295         if (headerview->image) {
 296                 gtk_widget_destroy(headerview->image);
 297                 headerview->image = NULL;
 298         }
 299
 300
 301         image = face_get_from_header(msginfo->extradata->face);
 302
 303         if (image) {
 304                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 305                 gtk_widget_show(image);
 306         }
 307
 308         headerview->image = image;
 309         if (image == NULL)
 310                 return -1;
 311         else
 312                 return 0;
 313 }
 314
 315 void headerview_clear(HeaderView *headerview)
 316 {
 317         if (headerview == NULL)
 318                 return;
 319
 320         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 321         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 322         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 323         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 324         gtk_label_set_text(GTK_LABEL(headerview->tags_body_label), "");
 325         gtk_widget_hide(headerview->to_header_label);
 326         gtk_widget_hide(headerview->to_body_label);
 327         gtk_widget_hide(headerview->ng_header_label);
 328         gtk_widget_hide(headerview->ng_body_label);
 329         gtk_widget_hide(headerview->tags_header_label);
 330         gtk_widget_hide(headerview->tags_body_label);
 331
 332         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 333                 gtk_widget_hide(headerview->image);
 334                 gtk_widget_queue_resize(headerview->hbox);
 335         }
 336 }
 337
 338 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 339 {
 340         if (visibility)
 341                 gtk_widget_show(headerview->hbox);
 342         else
 343                 gtk_widget_hide(headerview->hbox);
 344 }
 345
 346 void headerview_destroy(HeaderView *headerview)
 347 {
 348         g_free(headerview);
 349 }