imported irssi.
[silc.git] / apps / irssi / src / fe-text / textbuffer-commands.c
diff --git a/apps/irssi/src/fe-text/textbuffer-commands.c b/apps/irssi/src/fe-text/textbuffer-commands.c
new file mode 100644 (file)
index 0000000..92ec70b
--- /dev/null
@@ -0,0 +1,297 @@
+/*
+ textbuffer-commands.c : Text buffer handling
+
+    Copyright (C) 1999-2001 Timo Sirainen
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "module.h"
+#include "signals.h"
+#include "commands.h"
+#include "misc.h"
+#include "levels.h"
+
+#include "printtext.h"
+#include "gui-windows.h"
+
+/* SYNTAX: CLEAR */
+static void cmd_clear(const char *data)
+{
+       GHashTable *optlist;
+       void *free_arg;
+        GSList *tmp;
+
+       g_return_if_fail(data != NULL);
+
+       if (!cmd_get_params(data, &free_arg, PARAM_FLAG_OPTIONS,
+                           "clear", &optlist)) return;
+
+       if (g_hash_table_lookup(optlist, "all") == NULL) {
+                /* clear active window */
+               textbuffer_view_clear(WINDOW_GUI(active_win)->view);
+       } else {
+                /* clear all windows */
+               for (tmp = windows; tmp != NULL; tmp = tmp->next) {
+                       WINDOW_REC *window = tmp->data;
+
+                       textbuffer_view_clear(WINDOW_GUI(window)->view);
+               }
+       }
+
+       cmd_params_free(free_arg);
+}
+
+static void cmd_scrollback(const char *data, SERVER_REC *server,
+                          WI_ITEM_REC *item)
+{
+       command_runsub("scrollback", data, server, item);
+}
+
+/* SYNTAX: SCROLLBACK CLEAR */
+static void cmd_scrollback_clear(void)
+{
+       textbuffer_view_remove_all_lines(WINDOW_GUI(active_win)->view);
+}
+
+static void scrollback_goto_line(int linenum)
+{
+        TEXT_BUFFER_VIEW_REC *view;
+
+       view = WINDOW_GUI(active_win)->view;
+       if (view->buffer->lines_count == 0)
+               return;
+
+       textbuffer_view_scroll_line(view, view->buffer->lines->data);
+       gui_window_scroll(active_win, linenum);
+}
+
+static void scrollback_goto_time(const char *datearg, const char *timearg)
+{
+        GList *tmp;
+       struct tm tm;
+       time_t now, stamp;
+       int day, month;
+
+       /* [dd[.mm] | -<days ago>] hh:mi[:ss] */
+       now = stamp = time(NULL);
+       if (*datearg == '-') {
+               /* -<days ago> */
+               stamp -= atoi(datearg+1) * 3600*24;
+               memcpy(&tm, localtime(&stamp), sizeof(struct tm));
+       } else if (*timearg != '\0') {
+               /* dd[.mm] */
+               memcpy(&tm, localtime(&stamp), sizeof(struct tm));
+
+                day = month = 0;
+               sscanf(datearg, "%d.%d", &day, &month);
+               if (day <= 0) return;
+
+               if (month <= 0) {
+                        /* month not given */
+                       if (day > tm.tm_mday) {
+                                /* last month's day */
+                               if (tm.tm_mon > 0)
+                                       tm.tm_mon--;
+                               else {
+                                        /* last year's day.. */
+                                       tm.tm_year--;
+                                        tm.tm_mon = 11;
+                               }
+                       }
+               } else {
+                        month--;
+                       if (month > tm.tm_mon)
+                               tm.tm_year--;
+                       tm.tm_mon = month;
+               }
+
+               tm.tm_mday = day;
+               stamp = mktime(&tm);
+       }
+       else
+       {
+               /* only time given, move it to timearg */
+               timearg = datearg;
+       }
+
+       /* hh:mi[:ss] */
+       memcpy(&tm, localtime(&stamp), sizeof(struct tm));
+       tm.tm_sec = 0;
+       sscanf(timearg, "%d:%d:%d", &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
+       stamp = mktime(&tm);
+
+       if (stamp > now && timearg == datearg) {
+               /* we used /SB GOTO 23:59 or something, we want to jump to
+                  previous day's 23:59 time instead of into future. */
+               stamp -= 3600*24;
+       }
+
+       if (stamp > now) {
+               /* we're still looking into future, don't bother checking */
+               return;
+       }
+
+       /* scroll to first line after timestamp */
+        tmp = textbuffer_view_get_lines(WINDOW_GUI(active_win)->view);
+       for (; tmp != NULL; tmp = tmp->next) {
+               LINE_REC *rec = tmp->data;
+
+               if (rec->info.time >= stamp) {
+                       gui_window_scroll_line(active_win, rec);
+                       break;
+               }
+       }
+}
+
+/* SYNTAX: SCROLLBACK GOTO <+|-linecount>|<linenum>|<timestamp> */
+static void cmd_scrollback_goto(const char *data)
+{
+       char *datearg, *timearg;
+       void *free_arg;
+       int lines;
+
+       if (!cmd_get_params(data, &free_arg, 2, &datearg, &timearg))
+               return;
+
+       if (*timearg == '\0' && (*datearg == '-' || *datearg == '+')) {
+               /* go forward/backward n lines */
+                lines = atoi(datearg + (*datearg == '-' ? 0 : 1));
+               gui_window_scroll(active_win, lines);
+       } else if (*timearg == '\0' && is_numeric(datearg, '\0')) {
+               /* go to n'th line. */
+               scrollback_goto_line(atoi(datearg));
+       } else {
+                /* should be timestamp */
+               scrollback_goto_time(datearg, timearg);
+       }
+
+       cmd_params_free(free_arg);
+}
+
+/* SYNTAX: SCROLLBACK HOME */
+static void cmd_scrollback_home(const char *data)
+{
+        TEXT_BUFFER_REC *buffer;
+
+       buffer = WINDOW_GUI(active_win)->view->buffer;
+       if (buffer->lines_count > 0)
+               gui_window_scroll_line(active_win, buffer->lines->data);
+}
+
+/* SYNTAX: SCROLLBACK END */
+static void cmd_scrollback_end(const char *data)
+{
+        TEXT_BUFFER_VIEW_REC *view;
+
+       view = WINDOW_GUI(active_win)->view;
+       if (view->bottom_startline == NULL)
+               return;
+
+       textbuffer_view_scroll_line(view, view->bottom_startline->data);
+       gui_window_scroll(active_win, view->bottom_subline);
+}
+
+/* SYNTAX: SCROLLBACK REDRAW */
+static void cmd_scrollback_redraw(void)
+{
+#if 0
+       GUI_WINDOW_REC *gui;
+       GList *tmp, *next;
+
+       gui = WINDOW_GUI(active_win);
+
+       screen_refresh_freeze();
+       for (tmp = gui->lines; tmp != NULL; tmp = next) {
+               next = tmp->next;
+               gui_window_reformat_line(active_win, tmp->data);
+       }
+
+       gui_window_redraw(active_win);
+       screen_refresh_thaw();
+#endif
+}
+
+static void cmd_scrollback_status(void)
+{
+       GSList *tmp;
+        int window_kb, total_lines, total_kb;
+
+        total_lines = 0; total_kb = 0;
+       for (tmp = windows; tmp != NULL; tmp = tmp->next) {
+               WINDOW_REC *window = tmp->data;
+               TEXT_BUFFER_VIEW_REC *view;
+
+               view = WINDOW_GUI(window)->view;
+
+               window_kb = g_slist_length(view->buffer->text_chunks)*
+                       LINE_TEXT_CHUNK_SIZE/1024;
+               total_lines += view->buffer->lines_count;
+                total_kb += window_kb;
+               printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
+                         "Window %d: %d lines, %dkB of data",
+                         window->refnum, view->buffer->lines_count,
+                         window_kb);
+       }
+
+       printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP,
+                 "Total: %d lines, %dkB of data",
+                 total_lines, total_kb);
+}
+
+static void sig_away_changed(SERVER_REC *server)
+{
+       GSList *tmp;
+
+       if (!server->usermode_away)
+               return;
+
+       for (tmp = windows; tmp != NULL; tmp = tmp->next) {
+               WINDOW_REC *rec = tmp->data;
+
+                textbuffer_view_set_bookmark_bottom(WINDOW_GUI(rec)->view,
+                                                   "lastlog_last_away");
+       }
+}
+
+void textbuffer_commands_init(void)
+{
+       command_bind("clear", NULL, (SIGNAL_FUNC) cmd_clear);
+       command_bind("scrollback", NULL, (SIGNAL_FUNC) cmd_scrollback);
+       command_bind("scrollback clear", NULL, (SIGNAL_FUNC) cmd_scrollback_clear);
+       command_bind("scrollback goto", NULL, (SIGNAL_FUNC) cmd_scrollback_goto);
+       command_bind("scrollback home", NULL, (SIGNAL_FUNC) cmd_scrollback_home);
+       command_bind("scrollback end", NULL, (SIGNAL_FUNC) cmd_scrollback_end);
+       command_bind("scrollback redraw", NULL, (SIGNAL_FUNC) cmd_scrollback_redraw);
+       command_bind("scrollback status", NULL, (SIGNAL_FUNC) cmd_scrollback_status);
+
+       command_set_options("clear", "all");
+
+       signal_add("away mode changed", (SIGNAL_FUNC) sig_away_changed);
+}
+
+void textbuffer_commands_deinit(void)
+{
+       command_unbind("clear", (SIGNAL_FUNC) cmd_clear);
+       command_unbind("scrollback", (SIGNAL_FUNC) cmd_scrollback);
+       command_unbind("scrollback clear", (SIGNAL_FUNC) cmd_scrollback_clear);
+       command_unbind("scrollback goto", (SIGNAL_FUNC) cmd_scrollback_goto);
+       command_unbind("scrollback home", (SIGNAL_FUNC) cmd_scrollback_home);
+       command_unbind("scrollback end", (SIGNAL_FUNC) cmd_scrollback_end);
+       command_unbind("scrollback redraw", (SIGNAL_FUNC) cmd_scrollback_redraw);
+       command_unbind("scrollback status", (SIGNAL_FUNC) cmd_scrollback_status);
+
+       signal_remove("away mode changed", (SIGNAL_FUNC) sig_away_changed);
+}