inital gtk2 patch
[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 <gtk/gtkwidget.h>
28 #include <gtk/gtkstyle.h>
29 #include <gtk/gtkscrolledwindow.h>
30 #include <gtk/gtkhbox.h>
31 #include <gtk/gtkvbox.h>
32 #include <gtk/gtklabel.h>
33 #include <gtk/gtkimage.h>
34 #include <stdio.h>
35 #include <string.h>
36 #include <time.h>
37
38 #if HAVE_LIBCOMPFACE
39 #  include <compface.h>
40 #endif
41
42 #include "intl.h"
43 #include "headerview.h"
44 #include "prefs_common.h"
45 #include "codeconv.h"
46 #include "gtkutils.h"
47 #include "utils.h"
48
49 PangoFontDescription *boldfont;
50
51 #define TR(str) (prefs_common.trans_hdr ? gettext(str) : str)
52
53 #if 0
54         _("From:");
55         _("To:");
56         _("Newsgroups:");
57         _("Subject:");
58 #endif
59
60 #if HAVE_LIBCOMPFACE
61 #define XPM_XFACE_HEIGHT        (HEIGHT + 3)  /* 3 = 1 header + 2 colors */
62
63 static gchar *xpm_xface[XPM_XFACE_HEIGHT];
64
65 static void headerview_show_xface       (HeaderView     *headerview,
66                                          MsgInfo        *msginfo);
67 static gint create_xpm_from_xface       (gchar          *xpm[],
68                                          const gchar    *xface);
69 #endif
70
71 HeaderView *headerview_create(void)
72 {
73         HeaderView *headerview;
74         GtkWidget *hbox;
75         GtkWidget *vbox;
76         GtkWidget *hbox1;
77         GtkWidget *hbox2;
78         GtkWidget *from_header_label;
79         GtkWidget *from_body_label;
80         GtkWidget *to_header_label;
81         GtkWidget *to_body_label;
82         GtkWidget *ng_header_label;
83         GtkWidget *ng_body_label;
84         GtkWidget *subject_header_label;
85         GtkWidget *subject_body_label;
86
87         debug_print("Creating header view...\n");
88         headerview = g_new0(HeaderView, 1);
89
90         hbox = gtk_hbox_new(FALSE, 0);
91         gtk_container_set_border_width(GTK_CONTAINER(hbox), 2);
92         vbox = gtk_vbox_new(FALSE, 0);
93         gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
94
95         hbox1 = gtk_hbox_new(FALSE, 4);
96         gtk_box_pack_start(GTK_BOX(vbox), hbox1, FALSE, FALSE, 0);
97         hbox2 = gtk_hbox_new(FALSE, 4);
98         gtk_box_pack_start(GTK_BOX(vbox), hbox2, FALSE, FALSE, 0);
99
100         from_header_label    = gtk_label_new(TR("From:"));
101         from_body_label      = gtk_label_new("");
102         to_header_label      = gtk_label_new(TR("To:"));
103         to_body_label        = gtk_label_new("");
104         ng_header_label      = gtk_label_new(TR("Newsgroups:"));
105         ng_body_label        = gtk_label_new("");
106         subject_header_label = gtk_label_new(TR("Subject:"));
107         subject_body_label   = gtk_label_new("");
108
109         gtk_box_pack_start(GTK_BOX(hbox1), from_header_label, FALSE, FALSE, 0);
110         gtk_box_pack_start(GTK_BOX(hbox1), from_body_label, FALSE, FALSE, 0);
111         gtk_box_pack_start(GTK_BOX(hbox1), to_header_label, FALSE, FALSE, 0);
112         gtk_box_pack_start(GTK_BOX(hbox1), to_body_label, FALSE, FALSE, 0);
113         gtk_box_pack_start(GTK_BOX(hbox1), ng_header_label, FALSE, FALSE, 0);
114         gtk_box_pack_start(GTK_BOX(hbox1), ng_body_label, FALSE, FALSE, 0);
115         gtk_box_pack_start(GTK_BOX(hbox2), subject_header_label, FALSE, FALSE, 0);
116         gtk_box_pack_start(GTK_BOX(hbox2), subject_body_label, FALSE, FALSE, 0);
117
118         headerview->hbox = hbox;
119         headerview->from_header_label    = from_header_label;
120         headerview->from_body_label      = from_body_label;
121         headerview->to_header_label      = to_header_label;
122         headerview->to_body_label        = to_body_label;
123         headerview->ng_header_label      = ng_header_label;
124         headerview->ng_body_label        = ng_body_label;
125         headerview->subject_header_label = subject_header_label;
126         headerview->subject_body_label   = subject_body_label;
127         headerview->image = NULL;
128
129         gtk_widget_show_all(hbox);
130
131         return headerview;
132 }
133
134 void headerview_init(HeaderView *headerview)
135 {
136         if (!boldfont && BOLD_FONT)
137                 boldfont = pango_font_description_from_string
138                                 (BOLD_FONT);
139
140 #define SET_FONT_STYLE(wid) \
141 { \
142         if (boldfont) \
143                 gtk_widget_modify_font(headerview->wid, boldfont); \
144 }
145
146         SET_FONT_STYLE(from_header_label);
147         SET_FONT_STYLE(to_header_label);
148         SET_FONT_STYLE(ng_header_label);
149         SET_FONT_STYLE(subject_header_label);
150
151         headerview_clear(headerview);
152         headerview_set_visibility(headerview, prefs_common.display_header_pane);
153
154 #if HAVE_LIBCOMPFACE
155         {
156                 gint i;
157
158                 for (i = 0; i < XPM_XFACE_HEIGHT; i++) {
159                         xpm_xface[i] = g_malloc(WIDTH + 1);
160                         *xpm_xface[i] = '\0';
161                 }
162         }
163 #endif
164 }
165
166 void headerview_show(HeaderView *headerview, MsgInfo *msginfo)
167 {
168         headerview_clear(headerview);
169
170         gtk_label_set_text(GTK_LABEL(headerview->from_body_label),
171                            msginfo->from ? msginfo->from : _("(No From)"));
172         if (msginfo->to) {
173                 gtk_label_set_text(GTK_LABEL(headerview->to_body_label),
174                                    msginfo->to);
175                 gtk_widget_show(headerview->to_header_label);
176                 gtk_widget_show(headerview->to_body_label);
177         }
178         if (msginfo->newsgroups) {
179                 gtk_label_set_text(GTK_LABEL(headerview->ng_body_label),
180                                    msginfo->newsgroups);
181                 gtk_widget_show(headerview->ng_header_label);
182                 gtk_widget_show(headerview->ng_body_label);
183         }
184         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label),
185                            msginfo->subject ? msginfo->subject :
186                            _("(No Subject)"));
187
188 #if HAVE_LIBCOMPFACE
189         headerview_show_xface(headerview, msginfo);
190 #endif
191 }
192
193 #if HAVE_LIBCOMPFACE
194 static void headerview_show_xface(HeaderView *headerview, MsgInfo *msginfo)
195 {
196         gchar xface[2048];
197         GdkPixmap *pixmap;
198         GdkBitmap *mask;
199         GtkWidget *hbox = headerview->hbox;
200
201         if (!msginfo->xface || strlen(msginfo->xface) < 5) {
202                 if (headerview->image &&
203                     GTK_WIDGET_VISIBLE(headerview->image)) {
204                         gtk_widget_hide(headerview->image);
205                         gtk_widget_queue_resize(hbox);
206                 }
207                 return;
208         }
209         if (!GTK_WIDGET_VISIBLE(headerview->hbox)) return;
210
211         strncpy(xface, msginfo->xface, sizeof(xface));
212
213         if (uncompface(xface) < 0) {
214                 g_warning("uncompface failed\n");
215                 if (headerview->image)
216                         gtk_widget_hide(headerview->image);
217                 return;
218         }
219
220         create_xpm_from_xface(xpm_xface, xface);
221
222         pixmap = gdk_pixmap_create_from_xpm_d
223                 (hbox->window, &mask, &hbox->style->white, xpm_xface);
224
225         if (!headerview->image) {
226                 GtkWidget *image;
227
228                 image = gtk_image_new_from_pixmap(pixmap, mask);
229                 gtk_box_pack_start(GTK_BOX(hbox), image, FALSE, FALSE, 0);
230                 gtk_widget_show(image);
231                 headerview->image = image;
232         } else {
233                 gtk_image_set_from_pixmap(GTK_IMAGE(headerview->image), pixmap, mask);
234                 gtk_widget_show(headerview->image);
235         }
236
237         gdk_pixmap_unref(pixmap);
238 }
239 #endif
240
241 void headerview_clear(HeaderView *headerview)
242 {
243         gtk_label_set_text(GTK_LABEL(headerview->from_body_label), "");
244         gtk_label_set_text(GTK_LABEL(headerview->to_body_label), "");
245         gtk_label_set_text(GTK_LABEL(headerview->ng_body_label), "");
246         gtk_label_set_text(GTK_LABEL(headerview->subject_body_label), "");
247         gtk_widget_hide(headerview->to_header_label);
248         gtk_widget_hide(headerview->to_body_label);
249         gtk_widget_hide(headerview->ng_header_label);
250         gtk_widget_hide(headerview->ng_body_label);
251
252         if (headerview->image && GTK_WIDGET_VISIBLE(headerview->image)) {
253                 gtk_widget_hide(headerview->image);
254                 gtk_widget_queue_resize(headerview->hbox);
255         }
256 }
257
258 void headerview_set_visibility(HeaderView *headerview, gboolean visibility)
259 {
260         if (visibility)
261                 gtk_widget_show(headerview->hbox);
262         else
263                 gtk_widget_hide(headerview->hbox);
264 }
265
266 void headerview_destroy(HeaderView *headerview)
267 {
268         g_free(headerview);
269 }
270
271 #if HAVE_LIBCOMPFACE
272 static gint create_xpm_from_xface(gchar *xpm[], const gchar *xface)
273 {
274         static gchar *bit_pattern[] = {
275                 "....",
276                 "...#",
277                 "..#.",
278                 "..##",
279                 ".#..",
280                 ".#.#",
281                 ".##.",
282                 ".###",
283                 "#...",
284                 "#..#",
285                 "#.#.",
286                 "#.##",
287                 "##..",
288                 "##.#",
289                 "###.",
290                 "####"
291         };
292
293         static gchar *xface_header = "48 48 2 1";
294         static gchar *xface_black  = "# c #000000";
295         static gchar *xface_white  = ". c #ffffff";
296
297         gint i, line = 0;
298         const guchar *p;
299         gchar buf[WIDTH * 4 + 1];  /* 4 = strlen("0x0000") */
300
301         p = xface;
302
303         strcpy(xpm[line++], xface_header);
304         strcpy(xpm[line++], xface_black);
305         strcpy(xpm[line++], xface_white);
306
307         for (i = 0; i < HEIGHT; i++) {
308                 gint col;
309
310                 buf[0] = '\0';
311      
312                 for (col = 0; col < 3; col++) {
313                         gint figure;
314
315                         p += 2;  /* skip '0x' */
316
317                         for (figure = 0; figure < 4; figure++) {
318                                 gint n = 0;
319
320                                 if ('0' <= *p && *p <= '9') {
321                                         n = *p - '0';
322                                 } else if ('a' <= *p && *p <= 'f') {
323                                         n = *p - 'a' + 10;
324                                 } else if ('A' <= *p && *p <= 'F') {
325                                         n = *p - 'A' + 10;
326                                 }
327
328                                 strcat(buf, bit_pattern[n]);
329                                 p++;  /* skip ',' */
330                         }
331
332                         p++;  /* skip '\n' */
333                 }
334
335                 strcpy(xpm[line++], buf);
336                 p++;
337         }
338
339         return 0;
340 }
341 #endif