Yattm - unified GTK instant-messaging client
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progress_window.c

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/*
 * Yattm 
 *
 * Copyright (C) 1999, Torrey Searle <tsearle@uci.edu>
 *
 * 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
 *
 */


#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "intl.h"
#include <gtk/gtk.h>
#include <string.h>

#include "progress_window.h"


typedef struct {
    int tag;
    GtkWidget * progress_meter;
    GtkWidget * progress_window;
    unsigned long size;
} progress_window_data;

static GList *bars = NULL;
static int last = 0;

static void destroy(GtkWidget * widget, gpointer data)
{
    progress_window_data * pwd = data;
    GList * l;

    for(l = bars; l; l = l->next)
    {
        if(pwd == l->data) {
            bars = g_list_remove_link(bars, l);
            g_free(pwd);

            /* small hack - reset last if there are no more bars */
            if(bars == NULL)
                last = 0;

            break;
        }
    }
}

int progress_window_new( char * filename, unsigned long size )
{
    progress_window_data *pwd = g_new0(progress_window_data, 1);
    
    GtkWidget * vbox = gtk_vbox_new( FALSE, 5);
    GtkWidget * label;
    gchar buff[2048];

    pwd->size = size;
    pwd->tag = ++last;

    g_snprintf( buff, sizeof(buff), _("Transfering %s"), filename);
    label = gtk_label_new(buff);

    gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, TRUE, 5);
    gtk_widget_show(label);

    pwd->progress_meter = gtk_progress_bar_new();
    gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(pwd->progress_meter), 
            GTK_PROGRESS_LEFT_TO_RIGHT );

    gtk_box_pack_start(GTK_BOX(vbox),pwd->progress_meter, TRUE, TRUE, 5);
    gtk_widget_show(pwd->progress_meter);

    pwd->progress_window = gtk_window_new(GTK_WINDOW_DIALOG);
    gtk_window_set_position(GTK_WINDOW(pwd->progress_window), GTK_WIN_POS_MOUSE);
    gtk_container_add(GTK_CONTAINER(pwd->progress_window), vbox);
        gtk_signal_connect( GTK_OBJECT(pwd->progress_window), "destroy",
                            GTK_SIGNAL_FUNC(destroy), pwd );

    gtk_widget_show(vbox);
    gtk_widget_show(pwd->progress_window);

    bars = g_list_append(bars, pwd);

    return pwd->tag;
}
        
void update_progress(int tag, unsigned long progress)
{
    GList * l;
    for(l = bars; l; l=l->next)
    {
        progress_window_data * pwd = l->data;
        if(pwd->tag == tag) {
            gtk_progress_bar_update(GTK_PROGRESS_BAR(pwd->progress_meter), ((float)progress)/((float)pwd->size));
            break;
        }
    }
}

void progress_window_close(int tag)
{
    GList * l;
    for(l = bars; l; l=l->next)
    {
        progress_window_data * pwd = l->data;
        if(pwd->tag == tag) {
            gtk_widget_destroy(pwd->progress_window);
            break;
        }
    }
}

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