2007-03-21 [colin] 2.8.1cvs32
[claws.git] / src / gtk / logwindow.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
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 <glib.h>
25 #include <glib/gi18n.h>
26 #include <gdk/gdkkeysyms.h>
27 #include <gtk/gtkwidget.h>
28 #include <gtk/gtkwindow.h>
29 #include <gtk/gtksignal.h>
30 #include <gtk/gtkscrolledwindow.h>
31 #include <gtk/gtktextview.h>
32 #include <gtk/gtkstyle.h>
33 #include <gtk/gtkmenuitem.h>
34 #include <gtk/gtkseparatormenuitem.h>
35
36 #include "logwindow.h"
37 #include "utils.h"
38 #include "gtkutils.h"
39 #include "log.h"
40 #include "hooks.h"
41 #include "prefs_common.h"
42
43 static void hide_cb                             (GtkWidget      *widget,
44                                                  LogWindow      *logwin);
45 static gboolean key_pressed                     (GtkWidget      *widget,
46                                                  GdkEventKey    *event,
47                                                  LogWindow      *logwin);
48 static void size_allocate_cb    (GtkWidget *widget,
49                                          GtkAllocation *allocation,
50                                          gpointer data);
51 static gboolean log_window_append               (gpointer        source,
52                                                  gpointer        data);
53 static void log_window_clip                     (LogWindow      *logwin,
54                                                  guint           glip_length);
55 static void log_window_clear                    (GtkWidget      *widget,
56                                                  LogWindow      *logwin);
57 static void log_window_popup_menu_extend        (GtkTextView    *textview,
58                                                  GtkMenu        *menu,
59                                                  LogWindow      *logwin);
60                                          
61 /*!
62  *\brief        Save Gtk object size to prefs dataset
63  */
64 static void size_allocate_cb(GtkWidget *widget,
65                                          GtkAllocation *allocation,
66                                          gpointer data)
67 {
68         gint *prefs_logwin_width = NULL;
69         gint *prefs_logwin_height = NULL;
70         LogInstance instance = GPOINTER_TO_INT(data);
71
72         g_return_if_fail(allocation != NULL);
73
74         get_log_prefs(instance, &prefs_logwin_width, &prefs_logwin_height);
75         g_return_if_fail(prefs_logwin_width != NULL);
76         g_return_if_fail(prefs_logwin_height != NULL);
77
78         *prefs_logwin_width = allocation->width;
79         *prefs_logwin_height = allocation->height;
80 }
81
82 LogWindow *log_window_create(LogInstance instance)
83 {
84         LogWindow *logwin;
85         GtkWidget *window;
86         GtkWidget *scrolledwin;
87         GtkWidget *text;
88         GtkTextBuffer *buffer;
89         GtkTextIter iter;
90         static GdkGeometry geometry;
91         gint *prefs_logwin_width = NULL;
92         gint *prefs_logwin_height = NULL;
93
94         debug_print("Creating log window...\n");
95
96         get_log_prefs(instance, &prefs_logwin_width, &prefs_logwin_height);
97         g_return_val_if_fail(prefs_logwin_width != NULL, NULL);
98         g_return_val_if_fail(prefs_logwin_height != NULL, NULL);
99
100         logwin = g_new0(LogWindow, 1);
101
102         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "logwindow");
103         gtk_window_set_title(GTK_WINDOW(window), get_log_title(instance));
104         gtk_window_set_resizable(GTK_WINDOW(window), TRUE);
105         g_signal_connect(G_OBJECT(window), "delete_event",
106                          G_CALLBACK(gtk_widget_hide_on_delete), NULL);
107         g_signal_connect(G_OBJECT(window), "key_press_event",
108                          G_CALLBACK(key_pressed), logwin);
109         g_signal_connect_after(G_OBJECT(window), "hide",
110                          G_CALLBACK(hide_cb), logwin);
111         gtk_widget_realize(window);
112
113         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
114         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
115                                        GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
116         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
117                                             GTK_SHADOW_IN);
118         gtk_container_add(GTK_CONTAINER(window), scrolledwin);
119         gtk_widget_show(scrolledwin);
120
121         text = gtk_text_view_new();
122         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
123         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
124         logwin->buffer = buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
125
126         g_object_ref(G_OBJECT(logwin->buffer));
127         gtk_text_view_set_buffer(GTK_TEXT_VIEW(text), NULL);
128         logwin->hidden = TRUE;
129         logwin->never_shown = TRUE;
130
131         gtk_text_buffer_get_start_iter(buffer, &iter);
132         logwin->end_mark = gtk_text_buffer_create_mark(buffer, "end", &iter, FALSE);
133
134         g_signal_connect(G_OBJECT(text), "populate-popup",
135                          G_CALLBACK(log_window_popup_menu_extend), logwin);
136         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
137         gtk_widget_show(text);
138
139         g_signal_connect(G_OBJECT(window), "size_allocate",
140                          G_CALLBACK(size_allocate_cb), GINT_TO_POINTER(instance));
141
142         if (!geometry.min_height) {
143                 geometry.min_width = 520;
144                 geometry.min_height = 400;
145         }
146
147         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
148                                       GDK_HINT_MIN_SIZE);
149         gtk_widget_set_size_request(window, *prefs_logwin_width,
150                                     *prefs_logwin_height);
151
152         logwin->window = window;
153         logwin->scrolledwin = scrolledwin;
154         logwin->text = text;
155         logwin->hook_id = hooks_register_hook(get_log_hook(instance), log_window_append, logwin);
156
157         gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(text), logwin->end_mark);
158
159         return logwin;
160 }
161
162 #define LOG_COLORS 8
163
164 void log_window_init(LogWindow *logwin)
165 {
166         GtkTextBuffer *buffer;
167         GdkColormap *colormap;
168         GdkColor color[LOG_COLORS];
169         gboolean success[LOG_COLORS];
170         gint i;
171
172         gtkut_convert_int_to_gdk_color(prefs_common.log_msg_color, &color[0]);
173         gtkut_convert_int_to_gdk_color(prefs_common.log_warn_color, &color[1]);
174         gtkut_convert_int_to_gdk_color(prefs_common.log_error_color, &color[2]);
175         gtkut_convert_int_to_gdk_color(prefs_common.log_in_color, &color[3]);
176         gtkut_convert_int_to_gdk_color(prefs_common.log_out_color, &color[4]);
177         gtkut_convert_int_to_gdk_color(prefs_common.log_status_ok_color, &color[5]);
178         gtkut_convert_int_to_gdk_color(prefs_common.log_status_nok_color, &color[6]);
179         gtkut_convert_int_to_gdk_color(prefs_common.log_status_skip_color, &color[7]);
180
181         logwin->msg_color = color[0];
182         logwin->warn_color = color[1];
183         logwin->error_color = color[2];
184         logwin->in_color = color[3];
185         logwin->out_color = color[4];
186         logwin->status_ok_color = color[5];
187         logwin->status_nok_color = color[6];
188         logwin->status_skip_color = color[7];
189
190         colormap = gdk_drawable_get_colormap(logwin->window->window);
191         gdk_colormap_alloc_colors(colormap, color, LOG_COLORS, FALSE, TRUE, success);
192
193         for (i = 0; i < LOG_COLORS; i++) {
194                 if (success[i] == FALSE) {
195                         GtkStyle *style;
196
197                         g_warning("LogWindow: color allocation failed\n");
198                         style = gtk_widget_get_style(logwin->window);
199                         logwin->msg_color = logwin->warn_color =
200                                         logwin->error_color = logwin->in_color =
201                                         logwin->out_color = logwin->status_ok_color =
202                                         logwin->status_nok_color = logwin->status_skip_color =
203                                         style->black;
204                         break;
205                 }
206         }
207
208         buffer = logwin->buffer;
209         gtk_text_buffer_create_tag(buffer, "message",
210                                    "foreground-gdk", &logwin->msg_color,
211                                    NULL);
212         gtk_text_buffer_create_tag(buffer, "warn",
213                                    "foreground-gdk", &logwin->warn_color,
214                                    NULL);
215         logwin->error_tag = gtk_text_buffer_create_tag(buffer, "error",
216                                    "foreground-gdk", &logwin->error_color,
217                                    NULL);
218         gtk_text_buffer_create_tag(buffer, "input",
219                                    "foreground-gdk", &logwin->in_color,
220                                    NULL);
221         gtk_text_buffer_create_tag(buffer, "output",
222                                    "foreground-gdk", &logwin->out_color,
223                                    NULL);
224         gtk_text_buffer_create_tag(buffer, "status_ok",
225                                    "foreground-gdk", &logwin->status_ok_color,
226                                    NULL);
227         gtk_text_buffer_create_tag(buffer, "status_nok",
228                                    "foreground-gdk", &logwin->status_nok_color,
229                                    NULL);
230         gtk_text_buffer_create_tag(buffer, "status_skip",
231                                    "foreground-gdk", &logwin->status_skip_color,
232                                    NULL);
233 }
234
235 #undef LOG_COLORS
236
237 void log_window_show(LogWindow *logwin)
238 {
239         GtkTextView *text = GTK_TEXT_VIEW(logwin->text);
240         GtkTextBuffer *buffer = logwin->buffer;
241         GtkTextMark *mark;
242
243         logwin->hidden = FALSE;
244
245         if (logwin->never_shown)
246                 gtk_text_view_set_buffer(GTK_TEXT_VIEW(logwin->text), logwin->buffer);
247
248         logwin->never_shown = FALSE;
249
250         mark = gtk_text_buffer_get_mark(buffer, "end");
251         gtk_text_view_scroll_mark_onscreen(text, mark);
252
253         gtk_widget_show(logwin->window);
254 #ifdef MAEMO
255         maemo_window_full_screen_if_needed(GTK_WINDOW(logwin->window));
256         maemo_connect_key_press_to_mainwindow(GTK_WINDOW(logwin->window));
257 #endif
258 }
259
260 static void log_window_jump_to_error(LogWindow *logwin)
261 {
262         GtkTextIter iter;
263         gtk_text_buffer_get_end_iter(logwin->buffer, &iter);
264         if (!gtk_text_iter_backward_to_tag_toggle(&iter, logwin->error_tag))
265                 return;
266
267         gtk_text_iter_backward_line(&iter);
268         gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(logwin->text), &iter, 0, TRUE, 0, 0);
269 }
270
271 void log_window_show_error(LogWindow *logwin)
272 {
273         log_window_show(logwin);
274         log_window_jump_to_error(logwin);
275 }
276
277 void log_window_set_clipping(LogWindow *logwin, gboolean clip, guint clip_length)
278 {
279         g_return_if_fail(logwin != NULL);
280
281         logwin->clip = clip;
282         logwin->clip_length = clip_length;
283 }
284
285 static gboolean log_window_append(gpointer source, gpointer data)
286 {
287         LogText *logtext = (LogText *) source;
288         LogWindow *logwindow = (LogWindow *) data;
289         GtkTextView *text;
290         GtkTextBuffer *buffer;
291         GtkTextIter iter;
292         gchar *head = NULL;
293         const gchar *tag;
294
295         g_return_val_if_fail(logtext != NULL, TRUE);
296         g_return_val_if_fail(logtext->text != NULL, TRUE);
297         g_return_val_if_fail(logwindow != NULL, FALSE);
298
299         if (logwindow->clip && !logwindow->clip_length)
300                 return FALSE;
301
302         text = GTK_TEXT_VIEW(logwindow->text);
303         buffer = logwindow->buffer;
304         gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
305
306         switch (logtext->type) {
307         case LOG_MSG:
308                 tag = "message";
309                 head = "* ";
310                 break;
311         case LOG_WARN:
312                 tag = "warn";
313                 head = "** ";
314                 break;
315         case LOG_ERROR:
316                 tag = "error";
317                 head = "*** ";
318                 break;
319         case LOG_STATUS_OK:
320                 tag = "status_ok";
321                 head = "> ";
322                 break;
323         case LOG_STATUS_NOK:
324                 tag = "status_nok";
325                 head = "> ";
326                 break;
327         case LOG_STATUS_SKIP:
328                 tag = "status_skip";
329                 head = "> skipped: ";
330                 break;
331         default:
332                 tag = NULL;
333                 break;
334         }
335
336         if (logtext->instance == LOG_PROTOCOL) {
337                 if (tag == NULL) {
338                         if (strstr(logtext->text, "] POP3>")
339                         ||  strstr(logtext->text, "] IMAP4>")
340                         ||  strstr(logtext->text, "] SMTP>")
341                         ||  strstr(logtext->text, "] ESMTP>")
342                         ||  strstr(logtext->text, "] NNTP>"))
343                                 tag = "output";
344                         if (strstr(logtext->text, "] POP3<")
345                         ||  strstr(logtext->text, "] IMAP4<")
346                         ||  strstr(logtext->text, "] SMTP<")
347                         ||  strstr(logtext->text, "] ESMTP<")
348                         ||  strstr(logtext->text, "] NNTP<"))
349                                 tag = "input";
350                 }
351         }
352
353         if (head)
354                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, head, -1,
355                                                          tag, NULL);
356
357         if (!g_utf8_validate(logtext->text, -1, NULL)) {
358                 gchar * mybuf = g_malloc(strlen(logtext->text)*2 +1);
359                 conv_localetodisp(mybuf, strlen(logtext->text)*2 +1, logtext->text);
360                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, mybuf, -1,
361                                                          tag, NULL);
362                 g_free(mybuf);
363         } else {
364                 gtk_text_buffer_insert_with_tags_by_name(buffer, &iter, logtext->text, -1,
365                                                          tag, NULL);
366         }
367         gtk_text_buffer_get_start_iter(buffer, &iter);
368
369         if (logwindow->clip)
370                log_window_clip (logwindow, logwindow->clip_length);
371
372         if (!logwindow->hidden) {
373                 GtkAdjustment *vadj = text->vadjustment;
374                 gfloat upper = vadj->upper - vadj->page_size;
375                 if (vadj->value == upper || 
376                     (upper - vadj->value < 16 && vadj->value < 8))
377                         gtk_text_view_scroll_mark_onscreen(text, logwindow->end_mark);
378         }
379
380         return FALSE;
381 }
382
383 static void hide_cb(GtkWidget *widget, LogWindow *logwin)
384 {
385         logwin->hidden = TRUE;
386 }
387
388 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event,
389                         LogWindow *logwin)
390 {
391         if (event && event->keyval == GDK_Escape)
392                 gtk_widget_hide(logwin->window);
393         else if (event && event->keyval == GDK_Delete) 
394                 log_window_clear(NULL, logwin);
395
396         return FALSE;
397 }
398
399 static void log_window_clip(LogWindow *logwin, guint clip_length)
400 {
401         guint length;
402         guint point;
403         GtkTextBuffer *textbuf = logwin->buffer;
404         GtkTextIter start_iter, end_iter;
405         
406         length = gtk_text_buffer_get_line_count(textbuf);
407         /* debug_print("Log window length: %u\n", length); */
408         
409         if (length > clip_length) {
410                 /* find the end of the first line after the cut off
411                  * point */
412                 point = length - clip_length;
413                 gtk_text_buffer_get_iter_at_line(textbuf, &end_iter, point);
414                 if (!gtk_text_iter_forward_to_line_end(&end_iter))
415                         return;
416                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
417                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
418         }
419 }
420
421 static void log_window_clear(GtkWidget *widget, LogWindow *logwin)
422 {
423         GtkTextBuffer *textbuf = logwin->buffer;
424         GtkTextIter start_iter, end_iter;
425         
426         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
427         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
428         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
429 }
430
431 static void log_window_popup_menu_extend(GtkTextView *textview,
432                         GtkMenu *menu, LogWindow *logwin)
433 {
434         GtkWidget *menuitem;
435         
436         g_return_if_fail(menu != NULL);
437         g_return_if_fail(GTK_IS_MENU_SHELL(menu));
438
439         menuitem = gtk_separator_menu_item_new();
440         gtk_menu_shell_prepend(GTK_MENU_SHELL(menu), menuitem);
441         gtk_widget_show(menuitem);
442         
443         menuitem = gtk_menu_item_new_with_mnemonic(_("Clear _Log"));
444         g_signal_connect(G_OBJECT(menuitem), "activate",
445                          G_CALLBACK(log_window_clear), logwin);
446         gtk_menu_shell_prepend(GTK_MENU_SHELL(menu), menuitem);
447         gtk_widget_show(menuitem);
448 }
449