2005-06-15 [colin] 1.9.11cvs75
[claws.git] / 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, 0);
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_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
108         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
109         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
110         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, TRUE, TRUE, 0);
111         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
112         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, TRUE, TRUE, 0);
113         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
114         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, TRUE, TRUE, 0);
115
116         gtk_misc_set_alignment(GTK_MISC(to_body_label), 0, 0.5);
117         gtk_misc_set_alignment(GTK_MISC(ng_body_label), 0, 0.5);
118         gtk_misc_set_alignment(GTK_MISC(subject_body_label), 0, 0.5);
119 #if (GTK_MAJOR_VERSION > 2 || (GTK_MAJOR_VERSION == 2 && GTK_MINOR_VERSION >= 6))
120         gtk_label_set_ellipsize(GTK_LABEL(to_body_label), PANGO_ELLIPSIZE_END);
121         gtk_label_set_ellipsize(GTK_LABEL(ng_body_label), PANGO_ELLIPSIZE_END);
122         gtk_label_set_ellipsize(GTK_LABEL(subject_body_label), PANGO_ELLIPSIZE_END);
123 #endif
124         headerview->hbox = hbox;
125         headerview->from_header_label    = from_header_label;
126         headerview->from_body_label      = from_body_label;
127         headerview->to_header_label      = to_header_label;
128         headerview->to_body_label        = to_body_label;
129         headerview->ng_header_label      = ng_header_label;
130         headerview->ng_body_label        = ng_body_label;
131         headerview->subject_header_label = subject_header_label;
132         headerview->subject_body_label   = subject_body_label;
133         headerview->image = NULL;
134
135         gtk_widget_show_all(hbox);
136
137         return headerview;
138 }
139
140 void headerview_init(HeaderView *headerview)
141 {
142         static PangoFontDescription *boldfont = NULL;
143
144         if (!boldfont) {
145                 boldfont = pango_font_description_from_string(BOLD_FONT);
146                 pango_font_description_set_weight(boldfont, PANGO_WEIGHT_BOLD);
147         }
148
149         if (boldfont) {
150                 gtk_widget_modify_font(headerview->from_header_label, boldfont);
151                 gtk_widget_modify_font(headerview->to_header_label, boldfont);
152                 gtk_widget_modify_font(headerview->ng_header_label, boldfont);
153                 gtk_widget_modify_font(headerview->subject_header_label, boldfont);
154         }
155
156         headerview_clear(headerview);
157         headerview_set_visibility(headerview, prefs_common.display_header_pane);
158
159 #if HAVE_LIBCOMPFACE
160         {
161                 gint i;
162
163                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
164                         xpm_xface[i] = g_malloc(WIDTH + 1);
165                         *xpm_xface[i] = '\0';
166                 }
167         }
168 #endif
169 }
170
171 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
172 {
173         headerview_clear(headerview);
174
175         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
176                            msginfo->from ? msginfo->from : _("(No From)"));
177         if (msginfo->to) {
178                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
179                                    msginfo->to);
180                 gtk_widget_show(headerview->to_header_label);
181                 gtk_widget_show(headerview->to_body_label);
182         }
183         if (msginfo->newsgroups) {
184                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
185                                    msginfo->newsgroups);
186                 gtk_widget_show(headerview->ng_header_label);
187                 gtk_widget_show(headerview->ng_body_label);
188         }
189         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
190                            msginfo->subject ? msginfo->subject :
191                            _("(No Subject)"));
192
193 #if HAVE_LIBCOMPFACE
194         headerview_show_xface(headerview, msginfo);
195 #endif
196 }
197
198 #if HAVE_LIBCOMPFACE
199 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
200 {
201         gchar xface[2048];
202         GdkPixmap *pixmap;
203         GdkBitmap *mask;
204         GtkWidget *hbox = headerview->hbox;
205
206         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
207                 if (headerview->image &&
208                     GTK_WIDGET_VISIBLE(headerview->image)) {
209                         gtk_widget_hide(headerview->image);
210                         gtk_widget_queue_resize(hbox);
211                 }
212                 return;
213         }
214         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
215
216         strncpy(xface, msginfo->xface, sizeof(xface));
217
218         if (uncompface(xface) < 0) {
219                 g_warning("uncompface failed\n");
220                 if (headerview->image)
221                         gtk_widget_hide(headerview->image);
222                 return;
223         }
224
225         create_xpm_from_xface(xpm_xface, xface);
226
227         pixmap = gdk_pixmap_create_from_xpm_d
228                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
229
230         if (!headerview->image) {
231                 GtkWidget *image;
232
233                 image = gtk_image_new_from_pixmap(pixmap, mask);
234                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
235                 gtk_widget_show(image);
236                 headerview->image = image;
237         } else {
238                 gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image), pixmap, mask);
239                 gtk_widget_show(headerview->image);
240         }
241
242         g_object_unref(pixmap);
243 }
244 #endif
245
246 void headerview_clear(HeaderView *headerview)
247 {
248         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
249         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
250         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
251         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
252         gtk_widget_hide(headerview->to_header_label);
253         gtk_widget_hide(headerview->to_body_label);
254         gtk_widget_hide(headerview->ng_header_label);
255         gtk_widget_hide(headerview->ng_body_label);
256
257         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
258                 gtk_widget_hide(headerview->image);
259                 gtk_widget_queue_resize(headerview->hbox);
260         }
261 }
262
263 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
264 {
265         if (visibility)
266                 gtk_widget_show(headerview->hbox);
267         else
268                 gtk_widget_hide(headerview->hbox);
269 }
270
271 void headerview_destroy(HeaderView *headerview)
272 {
273         g_free(headerview);
274 }
275
276 #if HAVE_LIBCOMPFACE
277 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
278 {
279         static gchar *bit_pattern[] = {
280                 "....",
281                 "...#",
282                 "..#.",
283                 "..##",
284                 ".#..",
285                 ".#.#",
286                 ".##.",
287                 ".###",
288                 "#...",
289                 "#..#",
290                 "#.#.",
291                 "#.##",
292                 "##..",
293                 "##.#",
294                 "###.",
295                 "####"
296         };
297
298         static gchar *xface_header = "48 48 2 1";
299         static gchar *xface_black  = "# c #000000";
300         static gchar *xface_white  = ". c #ffffff";
301
302         gint i, line = 0;
303         const guchar *p;
304         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
305
306         p = xface;
307
308         strcpy(xpm[line++], xface_header);
309         strcpy(xpm[line++], xface_black);
310         strcpy(xpm[line++], xface_white);
311
312         for (i = 0; i < HEIGHT; i++) {
313                 gint col;
314
315                 buf[0] = '\0';
316      
317                 for (col = 0; col < 3; col++) {
318                         gint figure;
319
320                         p += 2;  /* skip '0x' */
321
322                         for (figure = 0; figure < 4; figure++) {
323                                 gint n = 0;
324
325                                 if ('0' <= *p && *p <= '9') {
326                                         n = *p - '0';
327                                 } else if ('a' <= *p && *p <= 'f') {
328                                         n = *p - 'a' + 10;
329                                 } else if ('A' <= *p && *p <= 'F') {
330                                         n = *p - 'A' + 10;
331                                 }
332
333                                 strcat(buf, bit_pattern[n]);
334                                 p++;  /* skip ',' */
335                         }
336
337                         p++;  /* skip '\n' */
338                 }
339
340                 strcpy(xpm[line++], buf);
341                 p++;
342         }
343
344         return 0;
345 }
346 #endif