* Show information about the traffic on a particular  * day.  Dumps the information into the clist that  * represents the daily graph. * * This is called by the tree traverse callback! */gint ShowDateInfo (gpointer key, gpointer value, gpointer data){    char *strValue[4];    typDateInfo *dateInfo;    long *pnMax;    char buffer0[88];    char buffer1[88];    char buffer2[88];    /* --- Get info passed it --- */    dateInfo = (typDateInfo *) value;       pnMax = (long *) data;    /* --- Setup structures to populate clist --- */    strValue[0] = buffer0;    strValue[1] = buffer1;    strValue[2] = buffer2;    strValue[3] = NULL;    /* --- Fill in the date in the first column --- */    sprintf (strValue[0], "%02d/%02d/%4d", dateInfo->date->month,                                            dateInfo->date->day,                                            dateInfo->date->year);    /* --- Fill in the hits and byte count --- */    sprintf (strValue[1], "%ld", dateInfo->nHits);    sprintf (strValue[2], "%ld", dateInfo->nSize);    /* --- Append the data into the clist --- */    gtk_clist_append (GTK_CLIST (dailyCList), strValue);    /* --- Keep track of the maximum value --- */    if (*pnMax < dateInfo->nSize) {        *pnMax = dateInfo->nSize;    }    /* --- 0 => keep on trucking --- */    return (0);}/* * ShowUserInfo * * Shows information about a user (no graphs) but keeps track  * of the maximum byte count so that the graphs can be generated. * * This is called as the traverse tree callback. */gint ShowUserInfo (gpointer key, gpointer value, gpointer data){    char *strValue[4];    typStat *info;    long *pnMax;    char buffer0[88];    char buffer1[88];    char buffer2[88];    /* --- Get information passed in --- */    info = (typStat *) value;       pnMax = (long *) data;    /* --- Buffers to append data --- */    strValue[0] = buffer0;    strValue[1] = buffer1;    strValue[2] = buffer2;    strValue[3] = NULL;    /* --- Update the URL in first column --- */    sprintf (strValue[0], "%s", info->sURL);    /* --- Update bytes and size in next column --- */    sprintf (strValue[1], "%ld", info->nHits);    sprintf (strValue[2], "%ld", info->nSize);    /* --- Add the data to the clist --- */    gtk_clist_append (GTK_CLIST (userCList), strValue);    /* --- Keep track of the maximum size --- */    if (info->nSize > *pnMax) {        *pnMax = info->nSize;    }    return (0);}/* * DisplayGraph * * Display the daily graph in the clist. * * Called as a Tree traverse callback. */gint DisplayGraph (gpointer key, gpointer value, gpointer data){    int ix;    typGraphInfo *graphInfo = (typGraphInfo *) data;    typDateInfo *dateInfo = (typDateInfo *) value;       /* --- Figure out which graph to display based on size --- */    ix = (dateInfo->nSize * NUM_GRAPHS-1) / graphInfo->nMaxSize;    /* --- Set the pixmap in the clist to this one --- */    gtk_clist_set_pixmap (GTK_CLIST (graphInfo->widget),                           graphInfo->row, 3, pixmapGraph[ix], mask[ix]);    /* --- Next row to display --- */    graphInfo->row++;    /* --- Continue... --- */    return (0);}/* * PopulateDaily * * Populate the clist with the data from the tree.  * Assumes that the data in the tree has been fully * populated. */void PopulateDaily (){    gchar *strValue[4];    long nMaxDaily;    gchar buffer0[88];    gchar buffer1[88];    gchar buffer2[88];    typGraphInfo graphInfo;    /* --- Create the table --- */    strValue[0] = buffer0;    strValue[1] = buffer1;    strValue[2] = buffer2;    /* --- NULL - graphic is going here. --- */    strValue[3] = NULL;        /* --- If the clist has not been created yet... --- */    if (dailyCList == NULL) {        /* --- Create the clist --- */        dailyCList = gtk_clist_new_with_titles (4, szDailyTitles);        /* --- Make sure titles are being shown --- */        gtk_clist_column_titles_show (GTK_CLIST (dailyCList));        /* --- Set the column widths --- */        gtk_clist_set_column_width (GTK_CLIST (dailyCList), 0, 80);        gtk_clist_set_column_width (GTK_CLIST (dailyCList), 1, 80);        gtk_clist_set_column_width (GTK_CLIST (dailyCList), 2, 80);        /* --- Set the column justifications --- */        gtk_clist_set_column_justification (GTK_CLIST (dailyCList),                                             0, GTK_JUSTIFY_RIGHT);        gtk_clist_set_column_justification (GTK_CLIST (dailyCList),                                             1, GTK_JUSTIFY_RIGHT);        gtk_clist_set_column_justification (GTK_CLIST (dailyCList),                                             2, GTK_JUSTIFY_RIGHT);        /* --- Add the clist to the notebook page --- */        gtk_container_add (GTK_CONTAINER (dailyPage), dailyCList);    }    /* --- set max to zero --- */    nMaxDaily = 0;    /*      * --- Traverse tree and display the textual information      *     while gathering the maximum so that the graph can     *     be displayed     */    g_tree_traverse (dateTree, ShowDateInfo, G_IN_ORDER, &nMaxDaily);     /* --- Information for displaying of the graph --- */    graphInfo.nMaxSize = nMaxDaily;    graphInfo.widget = dailyCList;    graphInfo.row = 0;    /* --- Re-traverse the tree and display graphs --- */    g_tree_traverse (dateTree, DisplayGraph, G_IN_ORDER, &graphInfo);    /* --- Show the clist now --- */    gtk_widget_show_all (GTK_WIDGET (dailyCList));}/* * DisplayUserGraph * * Display the graph for each user.  * This is called from a traverse tree - it's a callback with the * data passed into it.  * * value - contains information about this users activity * data - contains information about the graph, incl. widget and max */gint DisplayUserGraph (gpointer key, gpointer value, gpointer data){    int ix;    typGraphInfo *graphInfo = (typGraphInfo *) data;    typStat *statInfo = (typStat *) value;       /* --- How big should the graph be? --- */    ix = (long) (((double) statInfo->nSize * NUM_GRAPHS-1) /                            graphInfo->nMaxSize);    /* --- Set the pixmap to be an appropriate size --- */    gtk_clist_set_pixmap (GTK_CLIST (graphInfo->widget),                           graphInfo->row, 3, pixmapGraph[ix], mask[ix]);    /* --- Go to the next row. --- */    graphInfo->row++;    return (0);}/* * PopulateUser * * Populate the user graph with the information about each users's  * web site traffic.  The display is created in two parts.  The  * first part displays the text data and computes the necessary * values for the second part to display the graph. */void PopulateUser (){    gchar *strValue[4];    gchar buffer0[88];    gchar buffer1[88];    gchar buffer2[88];    long nMax;    typGraphInfo graphInfo;    /* --- Buffered values --- */    strValue[0] = buffer0;    strValue[1] = buffer1;    strValue[2] = buffer2;    strValue[3] = NULL;        /* --- If there's no user clist yet --- */    if (userCList == NULL) {        /* --- Create the clist with titles --- */        userCList = gtk_clist_new_with_titles (4, szUserTitles);        /* --- Show titles --- */        gtk_clist_column_titles_show (GTK_CLIST (userCList));        /* --- Show width of columns. --- */        gtk_clist_set_column_width (GTK_CLIST (userCList), 0, 80);        gtk_clist_set_column_width (GTK_CLIST (userCList), 1, 80);        gtk_clist_set_column_width (GTK_CLIST (userCList), 2, 80);        /* --- Justify columns --- */        gtk_clist_set_column_justification (GTK_CLIST (userCList),                                             0, GTK_JUSTIFY_LEFT);        gtk_clist_set_column_justification (GTK_CLIST (userCList),                                             1, GTK_JUSTIFY_RIGHT);        gtk_clist_set_column_justification (GTK_CLIST (userCList),                                             2, GTK_JUSTIFY_RIGHT);        /* --- Add clist to page. --- */        gtk_container_add (GTK_CONTAINER (userPage), userCList);    }    /* --- Traverse the tree to show text info and get max --- */    nMax = 0;    g_tree_traverse (userTree, ShowUserInfo, G_IN_ORDER, &nMax);    /* --- Populate structure for graphical tree traversal --- */    graphInfo.nMaxSize = nMax;    graphInfo.widget = userCList;    graphInfo.row = 0;    /* --- Display graphs --- */    g_tree_traverse (userTree, DisplayUserGraph, G_IN_ORDER, &graphInfo);    gtk_widget_show_all (GTK_WIDGET (userCList));}