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., 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 "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 #endif
  66
  67 HeaderView *headerview_create(void)
  68 {
  69         HeaderView *headerview;
  70         GtkWidget *hbox;
  71         GtkWidget *vbox;
  72         GtkWidget *hbox1;
  73         GtkWidget *hbox2;
  74         GtkWidget *from_header_label;
  75         GtkWidget *from_body_label;
  76         GtkWidget *to_header_label;
  77         GtkWidget *to_body_label;
  78         GtkWidget *ng_header_label;
  79         GtkWidget *ng_body_label;
  80         GtkWidget *subject_header_label;
  81         GtkWidget *subject_body_label;
  82
  83         debug_print("Creating header view...\n");
  84         headerview = g_new0(HeaderView, 1);
  85
  86         hbox = gtk_hbox_new(FALSE, 0);
  87         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
  88         vbox = gtk_vbox_new(FALSE, 2);
  89         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
  90
  91         hbox1 = gtk_hbox_new(FALSE, 4);
  92         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
  93         hbox2 = gtk_hbox_new(FALSE, 4);
  94         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
  95
  96         from_header_label    = gtk_label_new(TR("From:"));
  97         from_body_label      = gtk_label_new("");
  98         to_header_label      = gtk_label_new(TR("To:"));
  99         to_body_label        = gtk_label_new("");
 100         ng_header_label      = gtk_label_new(TR("Newsgroups:"));
 101         ng_body_label        = gtk_label_new("");
 102         subject_header_label = gtk_label_new(TR("Subject:"));
 103         subject_body_label   = gtk_label_new("");
 104
 105         gtk_label_set_selectable(GTK_LABEL(from_body_label), TRUE);
 106         gtk_label_set_selectable(GTK_LABEL(to_body_label), TRUE);
 107         gtk_label_set_selectable(GTK_LABEL(ng_body_label), TRUE);
 108         gtk_label_set_selectable(GTK_LABEL(subject_body_label), TRUE);
 109
 110         GTK_WIDGET_UNSET_FLAGS(from_body_label, GTK_CAN_FOCUS);
 111         GTK_WIDGET_UNSET_FLAGS(to_body_label, GTK_CAN_FOCUS);
 112         GTK_WIDGET_UNSET_FLAGS(ng_body_label, GTK_CAN_FOCUS);
 113         GTK_WIDGET_UNSET_FLAGS(subject_body_label, GTK_CAN_FOCUS);
 114
 115         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
 116         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
 117         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
 118         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, TRUE, TRUE, 0);
 119         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
 120         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, TRUE, TRUE, 0);
 121         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
 122         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, TRUE, TRUE, 0);
 123
 124         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
 125         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
 126         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
 127 #if GTK_CHECK_VERSION(2, 6, 0)
 128         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
 129         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
 130         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
 131 #endif
 132         headerview->hbox = hbox;
 133         headerview->from_header_label    = from_header_label;
 134         headerview->from_body_label      = from_body_label;
 135         headerview->to_header_label      = to_header_label;
 136         headerview->to_body_label        = to_body_label;
 137         headerview->ng_header_label      = ng_header_label;
 138         headerview->ng_body_label        = ng_body_label;
 139         headerview->subject_header_label = subject_header_label;
 140         headerview->subject_body_label   = subject_body_label;
 141         headerview->image = NULL;
 142
 143         gtk_widget_show_all(hbox);
 144
 145         return headerview;
 146 }
 147
 148 void headerview_set_font(HeaderView *headerview)
 149 {
 150         PangoFontDescription *boldfont = NULL;
 151         PangoFontDescription *normalfont = NULL;
 152
 153         if (!boldfont) {
 154                 normalfont = pango_font_description_from_string(NORMAL_FONT);
 155                 boldfont = pango_font_description_from_string(NORMAL_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                 pango_font_description_free(boldfont);
 165
 166                 gtk_widget_modify_font(headerview->from_body_label, normalfont);
 167                 gtk_widget_modify_font(headerview->to_body_label, normalfont);
 168                 gtk_widget_modify_font(headerview->ng_body_label, normalfont);
 169                 gtk_widget_modify_font(headerview->subject_body_label, normalfont);
 170                 pango_font_description_free(normalfont);
 171         }
 172 }
 173
 174 void headerview_init(HeaderView *headerview)
 175 {
 176         headerview_set_font(headerview);
 177         headerview_clear(headerview);
 178         headerview_set_visibility(headerview, prefs_common.display_header_pane);
 179
 180 #if HAVE_LIBCOMPFACE
 181         {
 182                 gint i;
 183
 184                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
 185                         xpm_xface[i] = g_malloc(WIDTH + 1);
 186                         *xpm_xface[i] = '\0';
 187                 }
 188         }
 189 #endif
 190 }
 191
 192 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
 193 {
 194         headerview_clear(headerview);
 195
 196         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
 197                            msginfo->from ? msginfo->from : _("(No From)"));
 198         if (msginfo->to) {
 199                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
 200                                    msginfo->to);
 201                 gtk_widget_show(headerview->to_header_label);
 202                 gtk_widget_show(headerview->to_body_label);
 203         }
 204         if (msginfo->newsgroups) {
 205                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
 206                                    msginfo->newsgroups);
 207                 gtk_widget_show(headerview->ng_header_label);
 208                 gtk_widget_show(headerview->ng_body_label);
 209         }
 210         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
 211                            msginfo->subject ? msginfo->subject :
 212                            _("(No Subject)"));
 213
 214 #if HAVE_LIBCOMPFACE
 215         headerview_show_xface(headerview, msginfo);
 216 #endif
 217 }
 218
 219 #if HAVE_LIBCOMPFACE
 220 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
 221 {
 222         gchar xface[2048];
 223         GdkPixmap *pixmap;
 224         GdkBitmap *mask;
 225         GtkWidget *hbox = headerview->hbox;
 226
 227         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
 228                 if (headerview->image &&
 229                     GTK_WIDGET_VISIBLE(headerview->image)) {
 230                         gtk_widget_hide(headerview->image);
 231                         gtk_widget_queue_resize(hbox);
 232                 }
 233                 return;
 234         }
 235         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
 236
 237         strncpy(xface, msginfo->xface, sizeof(xface));
 238
 239         if (uncompface(xface) < 0) {
 240                 g_warning("uncompface failed\n");
 241                 if (headerview->image)
 242                         gtk_widget_hide(headerview->image);
 243                 return;
 244         }
 245
 246         create_xpm_from_xface(xpm_xface, xface);
 247
 248         pixmap = gdk_pixmap_create_from_xpm_d
 249                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
 250
 251         if (!headerview->image) {
 252                 GtkWidget *image;
 253
 254                 image = gtk_image_new_from_pixmap(pixmap, mask);
 255                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
 256                 gtk_widget_show(image);
 257                 headerview->image = image;
 258         } else {
 259                 gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image), pixmap, mask);
 260                 gtk_widget_show(headerview->image);
 261         }
 262
 263         g_object_unref(pixmap);
 264 }
 265 #endif
 266
 267 void headerview_clear(HeaderView *headerview)
 268 {
 269         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
 270         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
 271         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
 272         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
 273         gtk_widget_hide(headerview->to_header_label);
 274         gtk_widget_hide(headerview->to_body_label);
 275         gtk_widget_hide(headerview->ng_header_label);
 276         gtk_widget_hide(headerview->ng_body_label);
 277
 278         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
 279                 gtk_widget_hide(headerview->image);
 280                 gtk_widget_queue_resize(headerview->hbox);
 281         }
 282 }
 283
 284 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
 285 {
 286         if (visibility)
 287                 gtk_widget_show(headerview->hbox);
 288         else
 289                 gtk_widget_hide(headerview->hbox);
 290 }
 291
 292 void headerview_destroy(HeaderView *headerview)
 293 {
 294         g_free(headerview);
 295 }