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gui-common.c

/*
 * Copyright (c) 2003-2006 by FlashCode <flashcode@flashtux.org>
 * See README for License detail, AUTHORS for developers list.
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

/* gui-common.c: display functions, used by all GUI */


#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <time.h>
#include <ctype.h>

#include "../common/weechat.h"
#include "gui.h"
#include "../common/command.h"
#include "../common/weeconfig.h"
#include "../common/history.h"
#include "../common/hotlist.h"
#include "../common/log.h"
#include "../common/utf8.h"
#include "../irc/irc.h"


int gui_init_ok = 0;                        /* = 1 if GUI is initialized    */
int gui_ok = 0;                             /* = 1 if GUI is ok             */
                                            /* (0 when term size too small) */
int gui_add_hotlist = 1;                    /* 0 is for temporarly disable  */
                                            /* hotlist add for all buffers  */

t_gui_window *gui_windows = NULL;           /* pointer to first window      */
t_gui_window *last_gui_window = NULL;       /* pointer to last window       */
t_gui_window *gui_current_window = NULL;    /* pointer to current window    */

t_gui_window_tree *gui_windows_tree = NULL; /* pointer to windows tree      */

t_gui_buffer *gui_buffers = NULL;           /* pointer to first buffer      */
t_gui_buffer *last_gui_buffer = NULL;       /* pointer to last buffer       */
t_gui_buffer *buffer_before_dcc = NULL;     /* buffer before dcc switch     */
t_gui_infobar *gui_infobar;                 /* pointer to infobar content   */

char *gui_input_clipboard = NULL;           /* clipboard content            */


/*
 * gui_window_tree_init: create first entry in windows tree
 */

int
gui_window_tree_init (t_gui_window *window)
{
    gui_windows_tree = (t_gui_window_tree *)malloc (sizeof (t_gui_window_tree));
    if (!gui_windows_tree)
        return 0;
    gui_windows_tree->parent_node = NULL;
    gui_windows_tree->split_horiz = 0;
    gui_windows_tree->split_pct = 0;
    gui_windows_tree->child1 = NULL;
    gui_windows_tree->child2 = NULL;
    gui_windows_tree->window = window;
    return 1;
}

/*
 * gui_window_tree_node_to_leaf: convert a node to a leaf (free any leafs)
 *                               Called when 2 windows are merging into one
 */

void
gui_window_tree_node_to_leaf (t_gui_window_tree *node, t_gui_window *window)
{
    node->split_horiz = 0;
    node->split_pct = 0;
    if (node->child1)
    {
        free (node->child1);
        node->child1 = NULL;
    }
    if (node->child2)
    {
        free (node->child2);
        node->child2 = NULL;
    }
    node->window = window;
    window->ptr_tree = node;
}

/*
 * gui_window_tree_free: delete entire windows tree
 */

void
gui_window_tree_free (t_gui_window_tree **tree)
{
    if (*tree)
    {
        if ((*tree)->child1)
            gui_window_tree_free (&((*tree)->child1));
        if ((*tree)->child2)
            gui_window_tree_free (&((*tree)->child2));
        free (*tree);
        *tree = NULL;
    }
}

/*
 * gui_window_new: create a new window
 */

t_gui_window *
gui_window_new (t_gui_window *parent, int x, int y, int width, int height,
                int width_pct, int height_pct)
{
    t_gui_window *new_window;
    t_gui_window_tree *ptr_tree, *child1, *child2, *ptr_leaf;
    
    #ifdef DEBUG
    weechat_log_printf ("Creating new window (x:%d, y:%d, width:%d, height:%d)\n",
                        x, y, width, height);
    #endif
    
    if (parent)
    {
        child1 = (t_gui_window_tree *)malloc (sizeof (t_gui_window_tree));
        if (!child1)
            return NULL;
        child2 = (t_gui_window_tree *)malloc (sizeof (t_gui_window_tree));
        if (!child2)
        {
            free (child1);
            return NULL;
        }
        ptr_tree = parent->ptr_tree;
        
        if (width_pct == 100)
        {
            ptr_tree->split_horiz = 1;
            ptr_tree->split_pct = height_pct;
        }
        else
        {
            ptr_tree->split_horiz = 0;
            ptr_tree->split_pct = width_pct;
        }
        
        /* parent window leaf becomes node and we add 2 leafs below
           (#1 is parent win, #2 is new win) */
        
        parent->ptr_tree = child1;
        child1->parent_node = ptr_tree;
        child1->child1 = NULL;
        child1->child2 = NULL;
        child1->window = ptr_tree->window;
        
        child2->parent_node = ptr_tree;
        child2->child1 = NULL;
        child2->child2 = NULL;
        child2->window = NULL;    /* will be assigned by new window below */
        
        ptr_tree->child1 = child1;
        ptr_tree->child2 = child2;
        ptr_tree->window = NULL;  /* leaf becomes node */
        
        ptr_leaf = child2;
    }
    else
    {
        if (!gui_window_tree_init (NULL))
            return NULL;
        ptr_leaf = gui_windows_tree;
    }
    
    if ((new_window = (t_gui_window *)(malloc (sizeof (t_gui_window)))))
    {
        new_window->win_x = x;
        new_window->win_y = y;
        new_window->win_width = width;
        new_window->win_height = height;
        new_window->win_width_pct = width_pct;
        new_window->win_height_pct = height_pct;
        
        new_window->new_x = -1;
        new_window->new_y = -1;
        new_window->new_width = -1;
        new_window->new_height = -1;
        
        new_window->win_chat_x = 0;
        new_window->win_chat_y = 0;
        new_window->win_chat_width = 0;
        new_window->win_chat_height = 0;
        new_window->win_chat_cursor_x = 0;
        new_window->win_chat_cursor_y = 0;
        
        new_window->win_nick_x = 0;
        new_window->win_nick_y = 0;
        new_window->win_nick_width = 0;
        new_window->win_nick_height = 0;
        new_window->win_nick_start = 0;
        
        new_window->win_input_x = 0;
        
        new_window->win_title = NULL;
        new_window->win_chat = NULL;
        new_window->win_nick = NULL;
        new_window->win_status = NULL;
        new_window->win_infobar = NULL;
        new_window->win_input = NULL;
        new_window->win_separator = NULL;
        
        new_window->textview_chat = NULL;
        new_window->textbuffer_chat = NULL;
        new_window->texttag_chat = NULL;
        new_window->textview_nicklist = NULL;
        new_window->textbuffer_nicklist = NULL;
        
        new_window->dcc_first = NULL;
        new_window->dcc_selected = NULL;
        new_window->dcc_last_displayed = NULL;
        
        new_window->buffer = NULL;
        
        new_window->first_line_displayed = 0;
        new_window->start_line = NULL;
        new_window->start_line_pos = 0;
        new_window->scroll = 0;
        
        new_window->ptr_tree = ptr_leaf;
        ptr_leaf->window = new_window;
        
        /* add window to windows queue */
        new_window->prev_window = last_gui_window;
        if (gui_windows)
            last_gui_window->next_window = new_window;
        else
            gui_windows = new_window;
        last_gui_window = new_window;
        new_window->next_window = NULL;
    }
    else
        return NULL;
    
    return new_window;
}

/*
 * gui_buffer_search: search a buffer by server and channel name
 */

t_gui_buffer *
gui_buffer_search (char *server, char *channel)
{
    t_irc_server *ptr_server;
    t_irc_channel *ptr_channel;
    t_gui_buffer *ptr_buffer;
    
    ptr_server = NULL;
    ptr_channel = NULL;
    ptr_buffer = NULL;
    
    /* nothing given => print on current buffer */
    if ((!server || !server[0]) && (!channel || !channel[0]))
        ptr_buffer = gui_current_window->buffer;
    else
    {
        if (server && server[0])
        {
            ptr_server = server_search (server);
            if (!ptr_server)
                return NULL;
        }
        else
        {
            ptr_server = SERVER(gui_current_window->buffer);
            if (!ptr_server)
                ptr_server = SERVER(gui_buffers);
        }
        
        if (channel && channel[0])
        {
            if (ptr_server)
            {
                ptr_channel = channel_search (ptr_server, channel);
                if (ptr_channel)
                    ptr_buffer = ptr_channel->buffer;
            }
        }
        else
        {
            if (ptr_server)
                ptr_buffer = ptr_server->buffer;
            else
                ptr_buffer = gui_current_window->buffer;
        }
    }
    
    if (!ptr_buffer)
        return NULL;
    
    return (ptr_buffer->dcc) ? gui_buffers : ptr_buffer;
}

/*
 * gui_buffer_find_window: find a window displaying buffer
 */

t_gui_window *
gui_buffer_find_window (t_gui_buffer *buffer)
{
    t_gui_window *ptr_win;
    
    if (gui_current_window->buffer == buffer)
        return gui_current_window;
    
    for (ptr_win = gui_windows; ptr_win;
         ptr_win = ptr_win->next_window)
    {
        if (ptr_win->buffer == buffer)
            return ptr_win;
    }
    
    /* no window found */
    return NULL;
}

/*
 * gui_buffer_servers_search: search servers buffer
 *                            (when same buffer is used for all servers)
 */

t_gui_buffer *
gui_buffer_servers_search ()
{
    t_gui_buffer *ptr_buffer;
    
    for (ptr_buffer = gui_buffers; ptr_buffer;
         ptr_buffer = ptr_buffer->next_buffer)
    {
        if (ptr_buffer->all_servers)
            return ptr_buffer;
    }
    
    /* buffer not found */
    return NULL;
}

/*
 * gui_buffer_new: create a new buffer in current window
 */

t_gui_buffer *
gui_buffer_new (t_gui_window *window, void *server, void *channel, int dcc,
                int switch_to_buffer)
{
    t_gui_buffer *new_buffer, *ptr_buffer;
    
    #ifdef DEBUG
    weechat_log_printf ("Creating new buffer\n");
    #endif
    
    /* use first buffer if no server was assigned to this buffer */
    if (!dcc && gui_buffers && (!SERVER(gui_buffers)))
    {
        if (server)
            ((t_irc_server *)(server))->buffer = gui_buffers;
        if (channel)
            ((t_irc_channel *)(channel))->buffer = gui_buffers;
        gui_buffers->server = server;
        gui_buffers->channel = channel;
        if (cfg_look_one_server_buffer && server && !channel)
            gui_buffers->all_servers = 1;
        if (cfg_log_auto_server)
            log_start (gui_buffers);
        return gui_buffers;
    }
    
    if (cfg_look_one_server_buffer && !dcc && gui_buffers && server && !channel)
    {
        ptr_buffer = gui_buffer_servers_search ();
        if (ptr_buffer)
        {
            ((t_irc_server *)(server))->buffer = gui_buffers;
            gui_buffers->server = server;
            if (switch_to_buffer)
                gui_switch_to_buffer (window, gui_buffers);
            gui_redraw_buffer (gui_buffers);
            return gui_buffers;
        }
    }
    
    if ((new_buffer = (t_gui_buffer *)(malloc (sizeof (t_gui_buffer)))))
    {
        new_buffer->num_displayed = 0;
        new_buffer->number = (last_gui_buffer) ? last_gui_buffer->number + 1 : 1;
        
        /* assign server and channel to buffer */
        new_buffer->server = server;
        new_buffer->all_servers = 0;
        new_buffer->channel = channel;
        new_buffer->dcc = dcc;
        /* assign buffer to server and channel */
        if (server && !channel)
        {
            SERVER(new_buffer)->buffer = new_buffer;
            new_buffer->all_servers = (cfg_look_one_server_buffer) ? 1 : 0;
        }
        if (!gui_buffers && cfg_look_one_server_buffer)
            new_buffer->all_servers = 1;
        if (channel)
            CHANNEL(new_buffer)->buffer = new_buffer;
        
        if (!window->buffer)
        {
            window->buffer = new_buffer;
            window->first_line_displayed = 1;
            window->start_line = NULL;
            window->start_line_pos = 0;
            gui_calculate_pos_size (window);
            gui_window_init_subwindows (window);
        }
        
        /* init lines */
        new_buffer->lines = NULL;
        new_buffer->last_line = NULL;
        new_buffer->last_read_line = NULL;
        new_buffer->num_lines = 0;
        new_buffer->line_complete = 1;
        
        /* notify level */
        new_buffer->notify_level = channel_get_notify_level (server, channel);
        
        /* create/append to log file */
        new_buffer->log_filename = NULL;
        new_buffer->log_file = NULL;
        if ((cfg_log_auto_server && BUFFER_IS_SERVER(new_buffer))
            || (cfg_log_auto_channel && BUFFER_IS_CHANNEL(new_buffer))
            || (cfg_log_auto_private && BUFFER_IS_PRIVATE(new_buffer)))
            log_start (new_buffer);
        
        /* init input buffer */
        new_buffer->has_input = (new_buffer->dcc) ? 0 : 1;
        if (new_buffer->has_input)
        {
            new_buffer->input_buffer_alloc = INPUT_BUFFER_BLOCK_SIZE;
            new_buffer->input_buffer = (char *) malloc (INPUT_BUFFER_BLOCK_SIZE);
            new_buffer->input_buffer[0] = '\0';
        }
        else
            new_buffer->input_buffer = NULL;
        new_buffer->input_buffer_size = 0;
        new_buffer->input_buffer_length = 0;
        new_buffer->input_buffer_pos = 0;
        new_buffer->input_buffer_1st_display = 0;
        
        /* init completion */
        completion_init (&(new_buffer->completion), server, channel);
        
        /* init history */
        new_buffer->history = NULL;
        new_buffer->last_history = NULL;
        new_buffer->ptr_history = NULL;
        new_buffer->num_history = 0;
        
        /* add buffer to buffers queue */
        new_buffer->prev_buffer = last_gui_buffer;
        if (gui_buffers)
            last_gui_buffer->next_buffer = new_buffer;
        else
            gui_buffers = new_buffer;
        last_gui_buffer = new_buffer;
        new_buffer->next_buffer = NULL;
        
        /* switch to new buffer */
        if (switch_to_buffer)
            gui_switch_to_buffer (window, new_buffer);
        
        /* redraw buffer */
        gui_redraw_buffer (new_buffer);
    }
    else
        return NULL;
    
    return new_buffer;
}

/*
 * gui_buffer_clear: clear buffer content
 */

void
gui_buffer_clear (t_gui_buffer *buffer)
{
    t_gui_window *ptr_win;
    t_gui_line *ptr_line;
    
    while (buffer->lines)
    {
        ptr_line = buffer->lines->next_line;
        if (buffer->lines->data)
            free (buffer->lines->data);
        free (buffer->lines);
        buffer->lines = ptr_line;
    }
    
    buffer->lines = NULL;
    buffer->last_line = NULL;
    buffer->num_lines = 0;
    buffer->line_complete = 1;
    
    for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
    {
        if (ptr_win->buffer == buffer)
        {
            ptr_win->first_line_displayed = 1;
            ptr_win->start_line = NULL;
            ptr_win->start_line_pos = 0;
        }
    }
    
    gui_draw_buffer_chat (buffer, 1);
    gui_draw_buffer_status (buffer, 0);
}

/*
 * gui_buffer_clear_all: clear all buffers content
 */

void
gui_buffer_clear_all ()
{
    t_gui_buffer *ptr_buffer;
    
    for (ptr_buffer = gui_buffers; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
        gui_buffer_clear (ptr_buffer);
}

/*
 * gui_window_free: delete a window
 */

void
gui_window_free (t_gui_window *window)
{
    if (window->buffer && (window->buffer->num_displayed > 0))
        window->buffer->num_displayed--;
    
    /* remove window from windows list */
    if (window->prev_window)
        window->prev_window->next_window = window->next_window;
    if (window->next_window)
        window->next_window->prev_window = window->prev_window;
    if (gui_windows == window)
        gui_windows = window->next_window;
    if (last_gui_window == window)
        last_gui_window = window->prev_window;
    
    free (window);
}

/*
 * gui_line_free: delete a line from a buffer
 */

void
gui_line_free (t_gui_line *line)
{
    t_gui_window *ptr_win;
    
    for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
    {
        if (ptr_win->start_line == line)
        {
            ptr_win->start_line = NULL;
            ptr_win->start_line_pos = 0;
        }
    }
    if (line->data)
        free (line->data);
    free (line);
}

/*
 * gui_buffer_free: delete a buffer
 */

void
gui_buffer_free (t_gui_buffer *buffer, int switch_to_another)
{
    t_gui_window *ptr_win;
    t_gui_buffer *ptr_buffer;
    t_gui_line *ptr_line;
    t_irc_server *ptr_server;
    int create_new;
    
    create_new = (buffer->server || buffer->channel);
    
    hotlist_remove_buffer (buffer);
    if (hotlist_initial_buffer == buffer)
        hotlist_initial_buffer = NULL;
    
    if (buffer_before_dcc == buffer)
        buffer_before_dcc = NULL;
    
    for (ptr_server = irc_servers; ptr_server;
         ptr_server = ptr_server->next_server)
    {
        if (ptr_server->saved_buffer == buffer)
            ptr_server->saved_buffer = NULL;
    }
    
    if (switch_to_another)
    {
        for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
        {
            if ((buffer == ptr_win->buffer) &&
                ((buffer->next_buffer) || (buffer->prev_buffer)))
                gui_buffer_switch_previous (ptr_win);
        }
    }
    
    /* decrease buffer number for all next buffers */
    for (ptr_buffer = buffer->next_buffer; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
    {
        ptr_buffer->number--;
    }
    
    /* free lines and messages */
    while (buffer->lines)
    {
        ptr_line = buffer->lines->next_line;
        gui_line_free (buffer->lines);
        buffer->lines = ptr_line;
    }
    
    /* close log if opened */
    if (buffer->log_file)
        log_end (buffer);
    
    if (buffer->input_buffer)
        free (buffer->input_buffer);
    
    completion_free (&(buffer->completion));
    
    history_buffer_free (buffer);
    
    /* remove buffer from buffers list */
    if (buffer->prev_buffer)
        buffer->prev_buffer->next_buffer = buffer->next_buffer;
    if (buffer->next_buffer)
        buffer->next_buffer->prev_buffer = buffer->prev_buffer;
    if (gui_buffers == buffer)
        gui_buffers = buffer->next_buffer;
    if (last_gui_buffer == buffer)
        last_gui_buffer = buffer->prev_buffer;
    
    for (ptr_win = gui_windows; ptr_win; ptr_win = ptr_win->next_window)
    {
        if (ptr_win->buffer == buffer)
            ptr_win->buffer = NULL;
    }
    
    free (buffer);
    
    /* always at least one buffer */
    if (!gui_buffers && create_new && switch_to_another)
        (void) gui_buffer_new (gui_windows, NULL, NULL, 0, 1);
}

/*
 * gui_line_new: create new line for a buffer
 */

t_gui_line *
gui_line_new (t_gui_buffer *buffer)
{
    t_gui_line *new_line, *ptr_line;
    
    if ((new_line = (t_gui_line *) malloc (sizeof (struct t_gui_line))))
    {
        new_line->length = 0;
        new_line->length_align = 0;
        new_line->log_write = 1;
        new_line->line_with_message = 0;
        new_line->line_with_highlight = 0;
        new_line->data = NULL;
        new_line->ofs_after_date = -1;
        if (!buffer->lines)
            buffer->lines = new_line;
        else
            buffer->last_line->next_line = new_line;
        new_line->prev_line = buffer->last_line;
        new_line->next_line = NULL;
        buffer->last_line = new_line;
        buffer->num_lines++;
    }
    else
    {
        weechat_log_printf (_("Not enough memory for new line\n"));
        return NULL;
    }
    
    /* remove one line if necessary */
    if ((cfg_history_max_lines > 0)
        && (buffer->num_lines > cfg_history_max_lines))
    {
        if (buffer->last_line == buffer->lines)
            buffer->last_line = NULL;
        ptr_line = buffer->lines->next_line;
        gui_line_free (buffer->lines);
        buffer->lines = ptr_line;
        ptr_line->prev_line = NULL;
        buffer->num_lines--;
        gui_draw_buffer_chat (buffer, 1);
    }
    
    return new_line;
}

/*
 * gui_word_strlen: returns length of a word
 *                  special chars like color, bold, .. are ignored
 */

int
gui_word_strlen (t_gui_window *window, char *string)
{
    int length;
    
    length = 0;
    while (string && string[0])
    {
        string = gui_word_get_next_char (window, (unsigned char *)string, 0);
        if (string)
            length++;
    }
    return length;
}

/*
 * gui_word_real_pos: get real position in string (ignoring color/bold/.. chars)
 */

int
gui_word_real_pos (t_gui_window *window, char *string, int pos)
{
    char *saved_pos;
    int real_pos;
    
    if (pos <= 0)
        return 0;
    
    real_pos = 0;
    while (string && string[0] && (pos > 0))
    {
        saved_pos = string;
        string = gui_word_get_next_char (window, (unsigned char *)string, 0);
        pos--;
        if (string)
            real_pos += (string - saved_pos);
    }
    return real_pos;
}

/*
 * gui_add_to_line: add a message to last line of buffer
 */

void
gui_add_to_line (t_gui_buffer *buffer, int type, char *message)
{
    char *pos;
    int length;
    
    /* create new line if previous was ending by '\n' (or if 1st line) */
    if (buffer->line_complete)
    {
        buffer->line_complete = 0;
        if (!gui_line_new (buffer))
            return;
    }
    
    pos = strchr (message, '\n');
    if (pos)
    {
        pos[0] = '\0';
        buffer->line_complete = 1;
    }
    if (buffer->last_line->data)
    {
        buffer->last_line->data = (char *) realloc (buffer->last_line->data,
                                                    strlen (buffer->last_line->data) +
                                                    strlen (message) + 1);
        if (((type & MSG_TYPE_TIME) == 0) && (buffer->last_line->ofs_after_date < 0))
            buffer->last_line->ofs_after_date = strlen (buffer->last_line->data);
        strcat (buffer->last_line->data, message);
    }
    else
    {
        if (((type & MSG_TYPE_TIME) == 0) && (buffer->last_line->ofs_after_date < 0))
            buffer->last_line->ofs_after_date = 0;
        buffer->last_line->data = strdup (message);
    }
    
    length = gui_word_strlen (NULL, message);
    buffer->last_line->length += length;
    if (type & MSG_TYPE_MSG)
        buffer->last_line->line_with_message = 1;
    if (type & MSG_TYPE_HIGHLIGHT)
        buffer->last_line->line_with_highlight = 1;
    if ((type & MSG_TYPE_TIME) || (type & MSG_TYPE_NICK) || (type & MSG_TYPE_PREFIX))
        buffer->last_line->length_align += length;
    if (type & MSG_TYPE_NOLOG)
        buffer->last_line->log_write = 0;
    if (pos)
    {
        pos[0] = '\n';
        if (buffer->num_displayed > 0)
            gui_draw_buffer_chat (buffer, 0);
        if (gui_add_hotlist && (buffer->num_displayed == 0))
        {
            if (3 - buffer->last_line->line_with_message -
                buffer->last_line->line_with_highlight <=
                buffer->notify_level)
            {
                if (buffer->last_line->line_with_highlight)
                    hotlist_add (HOTLIST_HIGHLIGHT, SERVER(buffer), buffer);
                else if (BUFFER_IS_PRIVATE(buffer) && (buffer->last_line->line_with_message))
                    hotlist_add (HOTLIST_PRIVATE, SERVER(buffer), buffer);
                else if (buffer->last_line->line_with_message)
                    hotlist_add (HOTLIST_MSG, SERVER(buffer), buffer);
                else
                    hotlist_add (HOTLIST_LOW, SERVER(buffer), buffer);
                gui_draw_buffer_status (gui_current_window->buffer, 1);
            }
        }
    }
    if (buffer->line_complete && buffer->log_file && buffer->last_line->log_write)
    {
        if (buffer->last_line->ofs_after_date >= 0)
            log_write_line (buffer,
                            buffer->last_line->data + buffer->last_line->ofs_after_date);
        else
            log_write_line (buffer, buffer->last_line->data);
    }
}

/*
 * gui_printf_internal: display a message in a buffer
 *                      This function should NEVER be called directly.
 *                      You should use macros defined in gui.h
 */

void
gui_printf_internal (t_gui_buffer *buffer, int display_time, int type, char *message, ...)
{
    static char buf[8192];
    char text_time[1024];
    char text_time_char[2];
    time_t time_seconds;
    struct tm *local_time;
    int time_first_digit, time_last_digit;
    char *buf2, *pos;
    int i;
    va_list argptr;
    static time_t seconds;
    struct tm *date_tmp;
    
    if (gui_init_ok)
    {
        if (buffer == NULL)
        {
            type |= MSG_TYPE_NOLOG;
            if (SERVER(gui_current_window->buffer))
                buffer = SERVER(gui_current_window->buffer)->buffer;
            else
                buffer = gui_current_window->buffer;
            
            if (!buffer || buffer->dcc)
                buffer = gui_buffers;
        }
    
        if (buffer == NULL)
        {
            weechat_log_printf ("WARNING: gui_printf_internal without buffer! This is a bug, "
                                "please send to developers - thanks\n");
            return;
        }
        
        if (buffer->dcc)
            buffer = gui_buffers;
        
        if (buffer->dcc)
            return;
    }
    
    va_start (argptr, message);
    vsnprintf (buf, sizeof (buf) - 1, message, argptr);
    va_end (argptr);
    
    if (!buf[0])
        return;
    
    if (gui_init_ok)
        buf2 = channel_iconv_decode (SERVER(buffer), CHANNEL(buffer), buf);
    else
        buf2 = strdup (buf);
    
    if (gui_init_ok)
    {
        seconds = time (NULL);
        date_tmp = localtime (&seconds);
        
        pos = buf2;
        while (pos)
        {
            if ((!buffer->last_line) || (buffer->line_complete))
            {
                if (display_time && cfg_look_buffer_timestamp &&
                    cfg_look_buffer_timestamp[0])
                {
                    time_seconds = time (NULL);
                    local_time = localtime (&time_seconds);
                    strftime (text_time, sizeof (text_time), cfg_look_buffer_timestamp, local_time);
                    
                    time_first_digit = -1;
                    time_last_digit = -1;
                    i = 0;
                    while (text_time[i])
                    {
                        if (isdigit (text_time[i]))
                        {
                            if (time_first_digit == -1)
                                time_first_digit = i;
                            time_last_digit = i;
                        }
                        i++;
                    }
                    
                    text_time_char[1] = '\0';
                    i = 0;
                    while (text_time[i])
                    {
                        text_time_char[0] = text_time[i];
                        if (time_first_digit < 0)
                        {
                            gui_add_to_line (buffer, MSG_TYPE_TIME,
                                             GUI_COLOR(COLOR_WIN_CHAT_TIME));
                            gui_add_to_line (buffer, MSG_TYPE_TIME, text_time_char);
                        }
                        else
                        {
                            if ((i < time_first_digit) || (i > time_last_digit))
                            {
                                gui_add_to_line (buffer, MSG_TYPE_TIME,
                                                 GUI_COLOR(COLOR_WIN_CHAT_DARK));
                                gui_add_to_line (buffer, MSG_TYPE_TIME, text_time_char);
                            }
                            else
                            {
                                if (isdigit (text_time[i]))
                                {
                                    gui_add_to_line (buffer, MSG_TYPE_TIME,
                                                     GUI_COLOR(COLOR_WIN_CHAT_TIME));
                                    gui_add_to_line (buffer, MSG_TYPE_TIME, text_time_char);
                                }
                                else
                                {
                                    gui_add_to_line (buffer, MSG_TYPE_TIME,
                                                     GUI_COLOR(COLOR_WIN_CHAT_TIME_SEP));
                                    gui_add_to_line (buffer, MSG_TYPE_TIME, text_time_char);
                                }
                            }
                        }
                        i++;
                    }
                    gui_add_to_line (buffer, MSG_TYPE_TIME, GUI_COLOR(COLOR_WIN_CHAT));
                }
                gui_add_to_line (buffer, MSG_TYPE_TIME, " ");
            }
            gui_add_to_line (buffer, type, pos);
            pos = strchr (pos, '\n');
            if (pos)
            {
                if (!pos[1])
                    pos = NULL;
                else
                    pos++;
            }
        }
    }
    else
        printf ("%s", buf2);
    
    free (buf2);
}

/* 
 * gui_infobar_printf: display message in infobar
 */

void
gui_infobar_printf (int time_displayed, int color, char *message, ...)
{
    static char buffer[1024];
    va_list argptr;
    t_gui_infobar *ptr_infobar;
    char *pos, *buf2, *buf3;
    
    va_start (argptr, message);
    vsnprintf (buffer, sizeof (buffer) - 1, message, argptr);
    va_end (argptr);
    
    buf2 = (char *)gui_color_decode ((unsigned char *)buffer, 0);
    
    if (buf2)
        buf3 = channel_iconv_decode (NULL, NULL, buf2);
    else
        buf3 = NULL;
    
    if (buf3)
    {
        ptr_infobar = (t_gui_infobar *)malloc (sizeof (t_gui_infobar));
        if (ptr_infobar)
        {
            ptr_infobar->color = color;
            ptr_infobar->text = strdup (buf3);
            pos = strchr (ptr_infobar->text, '\n');
            if (pos)
                pos[0] = '\0';
            ptr_infobar->remaining_time = (time_displayed <= 0) ? -1 : time_displayed;
            ptr_infobar->next_infobar = gui_infobar;
            gui_infobar = ptr_infobar;
            gui_draw_buffer_infobar (gui_current_window->buffer, 1);
        }
        else
            weechat_log_printf (_("Not enough memory for infobar message\n"));
    }
    
    if (buf2)
        free (buf2);
    if (buf3)
        free (buf3);
}

/*
 * gui_infobar_remove: remove last displayed message in infobar
 */

void
gui_infobar_remove ()
{
    t_gui_infobar *new_infobar;
    
    if (gui_infobar)
    {
        new_infobar = gui_infobar->next_infobar;
        if (gui_infobar->text)
            free (gui_infobar->text);
        free (gui_infobar);
        gui_infobar = new_infobar;
    }
}

/*
 * gui_optimize_input_buffer_size: optimize input buffer size by adding
 *                                 or deleting data block (predefined size)
 */

void
gui_optimize_input_buffer_size (t_gui_buffer *buffer)
{
    int optimal_size;
    
    if (buffer->has_input)
    {
        optimal_size = ((buffer->input_buffer_size / INPUT_BUFFER_BLOCK_SIZE) *
                        INPUT_BUFFER_BLOCK_SIZE) + INPUT_BUFFER_BLOCK_SIZE;
        if (buffer->input_buffer_alloc != optimal_size)
        {
            buffer->input_buffer_alloc = optimal_size;
            buffer->input_buffer = realloc (buffer->input_buffer, optimal_size);
        }
    }
}

/*
 * gui_exec_action_dcc: execute an action on a DCC after a user input
 *                      return -1 if DCC buffer was closed due to action, 0 otherwise
 */

void
gui_exec_action_dcc (t_gui_window *window, char *actions)
{
    t_irc_dcc *dcc_selected, *ptr_dcc, *ptr_dcc_next;
    t_gui_buffer *ptr_buffer;
    
    while (actions[0])
    {
        if (actions[0] >= 32)
        {
            dcc_selected = (window->dcc_selected) ?
                (t_irc_dcc *) window->dcc_selected : dcc_list;
            
            switch (actions[0])
            {
                /* accept DCC */
                case 'a':
                case 'A':
                    if (dcc_selected
                        && (DCC_IS_RECV(dcc_selected->status))
                        && (dcc_selected->status == DCC_WAITING))
                    {
                        dcc_accept (dcc_selected);
                    }
                    break;
                /* cancel DCC */
                case 'c':
                case 'C':
                    if (dcc_selected
                        && (!DCC_ENDED(dcc_selected->status)))
                    {
                        dcc_close (dcc_selected, DCC_ABORTED);
                        gui_redraw_buffer (window->buffer);
                    }
                    break;
                    /* purge old DCC */
                case 'p':
                case 'P':
                    window->dcc_selected = NULL;
                    ptr_dcc = dcc_list;
                    while (ptr_dcc)
                    {
                        ptr_dcc_next = ptr_dcc->next_dcc;
                        if (DCC_ENDED(ptr_dcc->status))
                            dcc_free (ptr_dcc);
                        ptr_dcc = ptr_dcc_next;
                    }
                    gui_redraw_buffer (window->buffer);
                    break;
                    /* close DCC window */
                case 'q':
                case 'Q':
                    if (buffer_before_dcc)
                    {
                        ptr_buffer = window->buffer;
                        gui_switch_to_buffer (window, buffer_before_dcc);
                        gui_buffer_free (ptr_buffer, 0);
                    }
                    else
                        gui_buffer_free (window->buffer, 1);
                    gui_redraw_buffer (window->buffer);
                    return;
                    break;
                    /* remove from DCC list */
                case 'r':
                case 'R':
                    if (dcc_selected
                        && (DCC_ENDED(dcc_selected->status)))
                    {
                        if (dcc_selected->next_dcc)
                            window->dcc_selected = dcc_selected->next_dcc;
                        else
                            window->dcc_selected = NULL;
                        dcc_free (dcc_selected);
                        gui_redraw_buffer (window->buffer);
                    }
                    break;
            }
        }
        actions = utf8_next_char (actions);
    }
}

/*
 * gui_insert_string_input: insert a string into the input buffer
 *                          if pos == -1, string is inserted at cursor position
 *                          return: number of chars inserted
 *                          (may be different of strlen if UTF-8 string)
 */

int
gui_insert_string_input (t_gui_window *window, char *string, int pos)
{
    int size, length;
    char *ptr_start;
    
    if (window->buffer->has_input)
    {
        if (pos == -1)
            pos = window->buffer->input_buffer_pos;
        
        size = strlen (string);
        length = utf8_strlen (string);
        
        /* increase buffer size */
        window->buffer->input_buffer_size += size;
        window->buffer->input_buffer_length += length;
        gui_optimize_input_buffer_size (window->buffer);
        window->buffer->input_buffer[window->buffer->input_buffer_size] = '\0';
        
        /* move end of string to the right */
        ptr_start = utf8_add_offset (window->buffer->input_buffer, pos);
        memmove (ptr_start + size, ptr_start, strlen (ptr_start));
        
        /* insert new string */
        strncpy (utf8_add_offset (window->buffer->input_buffer, pos), string, size);
        return length;
    }
    return 0;
}

/*
 * gui_merge_servers: merge server buffers in one buffer
 */

void
gui_merge_servers (t_gui_window *window)
{
    t_gui_buffer *ptr_buffer_server, *ptr_buffer;
    t_irc_server *ptr_server;
    
    /* new server buffer is the first server buffer found */
    for (ptr_buffer_server = gui_buffers; ptr_buffer_server;
         ptr_buffer_server = ptr_buffer_server->next_buffer)
    {
        if (BUFFER_IS_SERVER(ptr_buffer_server))
            break;
    }
    
    /* no server buffer found */
    if (!ptr_buffer_server)
        return;
    
    for (ptr_buffer = gui_buffers; ptr_buffer;
         ptr_buffer = ptr_buffer->next_buffer)
    {
        if ((ptr_buffer != ptr_buffer_server)
            && (BUFFER_IS_SERVER(ptr_buffer)))
        {
            ptr_server = SERVER(ptr_buffer);
            
            /* add (by pointer artefact) lines from buffer found to server buffer */
            if (ptr_buffer->lines)
            {
                if (ptr_buffer_server->lines)
                {
                    ptr_buffer->lines->prev_line =
                        ptr_buffer_server->last_line;
                    ptr_buffer_server->last_line->next_line =
                        ptr_buffer->lines;
                    ptr_buffer_server->last_line =
                        ptr_buffer->last_line;
                }
                else
                {
                    ptr_buffer_server->lines = ptr_buffer->lines;
                    ptr_buffer_server->last_line = ptr_buffer->last_line;
                }
            }
            
            /* free buffer but not lines, because they're now used by 
               our unique server buffer */
            ptr_buffer->lines = NULL;
            gui_buffer_free (ptr_buffer, 1);
            
            /* asociate server with new server buffer */
            ptr_server->buffer = ptr_buffer_server;
        }
    }
    
    ptr_buffer_server->all_servers = 1;
    gui_redraw_buffer (window->buffer);
}

/*
 * gui_split_server: split the server buffer into many buffers (one by server)
 */

void
gui_split_server (t_gui_window *window)
{
    t_gui_buffer *ptr_buffer;
    t_irc_server *ptr_server;
    
    ptr_buffer = gui_buffer_servers_search ();
    
    if (ptr_buffer)
    {
        if (SERVER(ptr_buffer))
        {
            for (ptr_server = irc_servers; ptr_server;
                 ptr_server = ptr_server->next_server)
            {
                if (ptr_server->buffer
                    && (ptr_server != SERVER(ptr_buffer))
                    && (ptr_server->buffer == ptr_buffer))
                {
                    ptr_server->buffer = NULL;
                    gui_buffer_new (window, ptr_server, NULL, 0, 0);
                }
            }
        }
        ptr_buffer->all_servers = 0;
        gui_draw_buffer_status (window->buffer, 1);
        gui_draw_buffer_input (window->buffer, 1);
    }
}

/*
 * gui_window_switch_server: switch server on servers buffer
 *                           (if same buffer is used for all buffers)
 */

void
gui_window_switch_server (t_gui_window *window)
{
    t_gui_buffer *ptr_buffer;
    t_irc_server *ptr_server;
    
    ptr_buffer = gui_buffer_servers_search ();
    
    if (ptr_buffer)
    {
        ptr_server = (SERVER(ptr_buffer) && SERVER(ptr_buffer)->next_server) ?
            SERVER(ptr_buffer)->next_server : irc_servers;
        while (ptr_server != SERVER(window->buffer))
        {
            if (ptr_server->buffer)
                break;
            if (ptr_server->next_server)
                ptr_server = ptr_server->next_server;
            else
            {
                if (SERVER(ptr_buffer) == NULL)
                {
                    ptr_server = NULL;
                    break;
                }
                ptr_server = irc_servers;
            }
        }
        if (ptr_server && (ptr_server != SERVER(ptr_buffer)))
        {
            ptr_buffer->server = ptr_server;
            gui_draw_buffer_status (window->buffer, 1);
            gui_draw_buffer_input (window->buffer, 1);
        }
    }
}

/*
 * gui_buffer_switch_previous: switch to previous buffer
 */

void
gui_buffer_switch_previous (t_gui_window *window)
{
    if (!gui_ok)
        return;
    
    /* if only one buffer then return */
    if (gui_buffers == last_gui_buffer)
        return;
    
    if (window->buffer->prev_buffer)
        gui_switch_to_buffer (window, window->buffer->prev_buffer);
    else
        gui_switch_to_buffer (window, last_gui_buffer);
    
    gui_redraw_buffer (window->buffer);
}

/*
 * gui_buffer_switch_next: switch to next buffer
 */

void
gui_buffer_switch_next (t_gui_window *window)
{
    if (!gui_ok)
        return;
    
    /* if only one buffer then return */
    if (gui_buffers == last_gui_buffer)
        return;
    
    if (window->buffer->next_buffer)
        gui_switch_to_buffer (window, window->buffer->next_buffer);
    else
        gui_switch_to_buffer (window, gui_buffers);
    
    gui_redraw_buffer (window->buffer);
}

/*
 * gui_window_switch_previous: switch to previous window
 */

void
gui_window_switch_previous (t_gui_window *window)
{
    if (!gui_ok)
        return;
    
    /* if only one window then return */
    if (gui_windows == last_gui_window)
        return;
    
    gui_current_window = (window->prev_window) ? window->prev_window : last_gui_window;
    gui_switch_to_buffer (gui_current_window, gui_current_window->buffer);
    gui_redraw_buffer (gui_current_window->buffer);
}

/*
 * gui_window_switch_next: switch to next window
 */

void
gui_window_switch_next (t_gui_window *window)
{
    if (!gui_ok)
        return;
    
    /* if only one window then return */
    if (gui_windows == last_gui_window)
        return;
    
    gui_current_window = (window->next_window) ? window->next_window : gui_windows;
    gui_switch_to_buffer (gui_current_window, gui_current_window->buffer);
    gui_redraw_buffer (gui_current_window->buffer);
}

/*
 * gui_window_switch_by_buffer: switch to next window displaying a buffer
 */

void
gui_window_switch_by_buffer (t_gui_window *window, int buffer_number)
{
    t_gui_window *ptr_win;
    
    if (!gui_ok)
        return;
    
    ptr_win = (window->next_window) ? window->next_window : gui_windows;
    while (ptr_win != window)
    {
        if (ptr_win->buffer->number == buffer_number)
        {
            gui_current_window = ptr_win;
            gui_switch_to_buffer (gui_current_window, gui_current_window->buffer);
            gui_redraw_buffer (gui_current_window->buffer);
            return;
        }
        ptr_win = (ptr_win->next_window) ? ptr_win->next_window : gui_windows;
    }
}

/*
 * gui_buffer_switch_dcc: switch to dcc buffer (create it if it does not exist)
 */

void
gui_buffer_switch_dcc (t_gui_window *window)
{
    t_gui_buffer *ptr_buffer;
    
    /* check if dcc buffer exists */
    for (ptr_buffer = gui_buffers; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
    {
        if (ptr_buffer->dcc)
            break;
    }
    if (ptr_buffer)
    {
        gui_switch_to_buffer (window, ptr_buffer);
        gui_redraw_buffer (ptr_buffer);
    }
    else
        gui_buffer_new (window, NULL, NULL, 1, 1);
}

/*
 * gui_buffer_switch_by_number: switch to another buffer with number
 */

t_gui_buffer *
gui_buffer_switch_by_number (t_gui_window *window, int number)
{
    t_gui_buffer *ptr_buffer;
    
    /* invalid buffer */
    if (number < 0)
        return NULL;
    
    /* buffer is currently displayed ? */
    if (number == window->buffer->number)
        return window->buffer;
    
    /* search for buffer in the list */
    for (ptr_buffer = gui_buffers; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
    {
        if ((ptr_buffer != window->buffer) && (number == ptr_buffer->number))
        {
            gui_switch_to_buffer (window, ptr_buffer);
            gui_redraw_buffer (window->buffer);
            return ptr_buffer;
        }
    }
    
    /* buffer not found */
    return NULL;
}

/*
 * gui_buffer_move_to_number: move a buffer to another number
 */

void
gui_buffer_move_to_number (t_gui_window *window, int number)
{
    t_gui_buffer *ptr_buffer;
    int i;
    
    /* if only one buffer then return */
    if (gui_buffers == last_gui_buffer)
        return;
    
    /* buffer number is already ok ? */
    if (number == window->buffer->number)
        return;
    
    if (number < 1)
        number = 1;
    
    /* remove buffer from list */
    if (window->buffer == gui_buffers)
    {
        gui_buffers = window->buffer->next_buffer;
        gui_buffers->prev_buffer = NULL;
    }
    if (window->buffer == last_gui_buffer)
    {
        last_gui_buffer = window->buffer->prev_buffer;
        last_gui_buffer->next_buffer = NULL;
    }
    if (window->buffer->prev_buffer)
        (window->buffer->prev_buffer)->next_buffer = window->buffer->next_buffer;
    if (window->buffer->next_buffer)
        (window->buffer->next_buffer)->prev_buffer = window->buffer->prev_buffer;
    
    if (number == 1)
    {
        gui_buffers->prev_buffer = window->buffer;
        window->buffer->prev_buffer = NULL;
        window->buffer->next_buffer = gui_buffers;
        gui_buffers = window->buffer;
    }
    else
    {
        /* assign new number to all buffers */
        i = 1;
        for (ptr_buffer = gui_buffers; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
        {
            ptr_buffer->number = i++;
        }
        
        /* search for new position in the list */
        for (ptr_buffer = gui_buffers; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
        {
            if (ptr_buffer->number == number)
                break;
        }
        if (ptr_buffer)
        {
            /* insert before buffer found */
            window->buffer->prev_buffer = ptr_buffer->prev_buffer;
            window->buffer->next_buffer = ptr_buffer;
            if (ptr_buffer->prev_buffer)
                (ptr_buffer->prev_buffer)->next_buffer = window->buffer;
            ptr_buffer->prev_buffer = window->buffer;
        }
        else
        {
            /* number not found (too big)? => add to end */
            window->buffer->prev_buffer = last_gui_buffer;
            window->buffer->next_buffer = NULL;
            last_gui_buffer->next_buffer = window->buffer;
            last_gui_buffer = window->buffer;
        }
        
    }
    
    /* assign new number to all buffers */
    i = 1;
    for (ptr_buffer = gui_buffers; ptr_buffer; ptr_buffer = ptr_buffer->next_buffer)
    {
        ptr_buffer->number = i++;
    }
    
    gui_redraw_buffer (window->buffer);
}

/*
 * gui_window_print_log: print window infos in log (usually for crash dump)
 */

void
gui_window_print_log (t_gui_window *window)
{
    weechat_log_printf ("[window (addr:0x%X)]\n", window);
    weechat_log_printf ("  win_x . . . . . . . : %d\n",   window->win_x);
    weechat_log_printf ("  win_y . . . . . . . : %d\n",   window->win_y);
    weechat_log_printf ("  win_width . . . . . : %d\n",   window->win_width);
    weechat_log_printf ("  win_height. . . . . : %d\n",   window->win_height);
    weechat_log_printf ("  win_width_pct . . . : %d\n",   window->win_width_pct);
    weechat_log_printf ("  win_height_pct. . . : %d\n",   window->win_height_pct);
    weechat_log_printf ("  win_chat_x. . . . . : %d\n",   window->win_chat_x);
    weechat_log_printf ("  win_chat_y. . . . . : %d\n",   window->win_chat_y);
    weechat_log_printf ("  win_chat_width. . . : %d\n",   window->win_chat_width);
    weechat_log_printf ("  win_chat_height . . : %d\n",   window->win_chat_height);
    weechat_log_printf ("  win_chat_cursor_x . : %d\n",   window->win_chat_cursor_x);
    weechat_log_printf ("  win_chat_cursor_y . : %d\n",   window->win_chat_cursor_y);
    weechat_log_printf ("  win_nick_x. . . . . : %d\n",   window->win_nick_x);
    weechat_log_printf ("  win_nick_y. . . . . : %d\n",   window->win_nick_y);
    weechat_log_printf ("  win_nick_width. . . : %d\n",   window->win_nick_width);
    weechat_log_printf ("  win_nick_height . . : %d\n",   window->win_nick_height);
    weechat_log_printf ("  win_nick_start. . . : %d\n",   window->win_nick_start);
    weechat_log_printf ("  win_title . . . . . : 0x%X\n", window->win_title);
    weechat_log_printf ("  win_chat. . . . . . : 0x%X\n", window->win_chat);
    weechat_log_printf ("  win_nick. . . . . . : 0x%X\n", window->win_nick);
    weechat_log_printf ("  win_status. . . . . : 0x%X\n", window->win_status);
    weechat_log_printf ("  win_infobar . . . . : 0x%X\n", window->win_infobar);
    weechat_log_printf ("  win_input . . . . . : 0x%X\n", window->win_input);
    weechat_log_printf ("  win_separator . . . : 0x%X\n", window->win_separator);
    weechat_log_printf ("  textview_chat . . . : 0x%X\n", window->textview_chat);
    weechat_log_printf ("  textbuffer_chat . . : 0x%X\n", window->textbuffer_chat);
    weechat_log_printf ("  texttag_chat. . . . : 0x%X\n", window->texttag_chat);
    weechat_log_printf ("  textview_nicklist . : 0x%X\n", window->textview_nicklist);
    weechat_log_printf ("  textbuffer_nicklist : 0x%X\n", window->textbuffer_nicklist);
    weechat_log_printf ("  dcc_first . . . . . : 0x%X\n", window->dcc_first);
    weechat_log_printf ("  dcc_selected. . . . : 0x%X\n", window->dcc_selected);
    weechat_log_printf ("  dcc_last_displayed. : 0x%X\n", window->dcc_last_displayed);
    weechat_log_printf ("  buffer. . . . . . . : 0x%X\n", window->buffer);
    weechat_log_printf ("  first_line_displayed: %d\n",   window->first_line_displayed);
    weechat_log_printf ("  start_line. . . . . : 0x%X\n", window->start_line);
    weechat_log_printf ("  start_line_pos. . . : %d\n",   window->start_line_pos);
    weechat_log_printf ("  prev_window . . . . : 0x%X\n", window->prev_window);
    weechat_log_printf ("  next_window . . . . : 0x%X\n", window->next_window);
    
}

/*
 * gui_buffer_print_log: print buffer infos in log (usually for crash dump)
 */

void
gui_buffer_print_log (t_gui_buffer *buffer)
{
    t_gui_line *ptr_line;
    int num;
    
    weechat_log_printf ("[buffer (addr:0x%X)]\n", buffer);
    weechat_log_printf ("  num_displayed. . . . : %d\n",   buffer->num_displayed);
    weechat_log_printf ("  number . . . . . . . : %d\n",   buffer->number);
    weechat_log_printf ("  server . . . . . . . : 0x%X\n", buffer->server);
    weechat_log_printf ("  all_servers. . . . . : %d\n",   buffer->all_servers);
    weechat_log_printf ("  channel. . . . . . . : 0x%X\n", buffer->channel);
    weechat_log_printf ("  dcc. . . . . . . . . : %d\n",   buffer->dcc);
    weechat_log_printf ("  lines. . . . . . . . : 0x%X\n", buffer->lines);
    weechat_log_printf ("  last_line. . . . . . : 0x%X\n", buffer->last_line);
    weechat_log_printf ("  last_read_line . . . : 0x%X\n", buffer->last_read_line);
    weechat_log_printf ("  num_lines. . . . . . : %d\n",   buffer->num_lines);
    weechat_log_printf ("  line_complete. . . . : %d\n",   buffer->line_complete);
    weechat_log_printf ("  notify_level . . . . : %d\n",   buffer->notify_level);
    weechat_log_printf ("  log_filename . . . . : '%s'\n", buffer->log_filename);
    weechat_log_printf ("  log_file . . . . . . : 0x%X\n", buffer->log_file);
    weechat_log_printf ("  has_input. . . . . . : %d\n",   buffer->has_input);
    weechat_log_printf ("  input_buffer . . . . : '%s'\n", buffer->input_buffer);
    weechat_log_printf ("  input_buffer_alloc . : %d\n",   buffer->input_buffer_alloc);
    weechat_log_printf ("  input_buffer_size. . : %d\n",   buffer->input_buffer_size);
    weechat_log_printf ("  input_buffer_length. : %d\n",   buffer->input_buffer_length);
    weechat_log_printf ("  input_buffer_pos . . : %d\n",   buffer->input_buffer_pos);
    weechat_log_printf ("  input_buffer_1st_disp: %d\n",   buffer->input_buffer_1st_display);
    weechat_log_printf ("  history. . . . . . . : 0x%X\n", buffer->history);
    weechat_log_printf ("  last_history . . . . : 0x%X\n", buffer->last_history);
    weechat_log_printf ("  ptr_history. . . . . : 0x%X\n", buffer->ptr_history);
    weechat_log_printf ("  prev_buffer. . . . . : 0x%X\n", buffer->prev_buffer);
    weechat_log_printf ("  next_buffer. . . . . : 0x%X\n", buffer->next_buffer);
    weechat_log_printf ("\n");
    weechat_log_printf ("  => last 100 lines:\n");
    
    num = 0;
    ptr_line = buffer->last_line;
    while (ptr_line && (num < 100))
    {
        num++;
        ptr_line = ptr_line->prev_line;
    }
    if (!ptr_line)
        ptr_line = buffer->lines;
    else
        ptr_line = ptr_line->next_line;
    
    while (ptr_line)
    {
        num--;
        weechat_log_printf ("       line N-%05d: %s\n",
                            num,
                            (ptr_line->data) ? ptr_line->data : "(empty)");
        
        ptr_line = ptr_line->next_line;
    }
}

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