/* 
 * Copyright (c) Tony Bybell 1999.
 *
 * 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.
 */

#include "currenttime.h"
#include "pixmaps.h"
#include "debug.h"

TimeType fetchwindow=100;

void
fetch_left(GtkWidget *text, gpointer data)
{
TimeType newlo;
char fromstr[32];

if(helpbox_is_active)
        {
        help_text_bold("\n\nFetch Left");
        help_text(
                " decreases the \"From\" time, which allows more of the trace"
		" to be displayed if the \"From\" and \"To\" times do not match"
		" the actual bounds of the trace."
        );
        return;
        }


DEBUG(printf("Fetch Left\n"));

newlo=(tims.first)-fetchwindow;

if(newlo<=min_time) newlo=min_time;

reformat_time(fromstr, newlo, time_dimension);

gtk_entry_set_text(GTK_ENTRY(from_entry),fromstr);
         
if(newlo<(tims.last))
        {
        tims.first=newlo;
        if(tims.start<tims.first) tims.start=tims.first;
        
        time_update();
        }
}


void
fetch_right(GtkWidget *text, gpointer data)
{
TimeType newhi;
char tostr[32];

if(helpbox_is_active)
        {
        help_text_bold("\n\nFetch Right");
        help_text(
                " increases the \"To\" time, which allows more of the trace"
                " to be displayed if the \"From\" and \"To\" times do not match"
                " the actual bounds of the trace."
        );
        return;
        }


DEBUG(printf("Fetch Right\n"));

newhi=(tims.last)+fetchwindow;

if(newhi>=max_time) newhi=max_time;

reformat_time(tostr, newhi, time_dimension);

gtk_entry_set_text(GTK_ENTRY(to_entry),tostr);
         
if(newhi>(tims.first))
        {
        tims.last=newhi;
        time_update();
        }
}


void
discard_left(GtkWidget *text, gpointer data)
{
TimeType newlo;
char tostr[32];

if(helpbox_is_active)
        {
        help_text_bold("\n\nDiscard Left");
        help_text(
                " increases the \"From\" time, which allows less of the trace"
                " to be displayed."                                             
        );
        return;
        }


DEBUG(printf("Discard Left\n"));

newlo=(tims.first)+fetchwindow;

if(newlo<(tims.last))
	{
	reformat_time(tostr, newlo, time_dimension);
	gtk_entry_set_text(GTK_ENTRY(from_entry),tostr);
         
	tims.first=newlo;
	time_update();
	}
}

void
discard_right(GtkWidget *text, gpointer data)
{
TimeType newhi;
char tostr[32];

if(helpbox_is_active)
        {
        help_text_bold("\n\nDiscard Right");
        help_text(
                " decreases the \"To\" time, which allows less of the trace"
                " to be displayed."
        );
        return;
        }


DEBUG(printf("Discard Right\n"));

newhi=(tims.last)-fetchwindow;

if(newhi>(tims.first))
	{
	reformat_time(tostr, newhi, time_dimension);
	gtk_entry_set_text(GTK_ENTRY(to_entry),tostr);
         
	tims.last=newhi;
	time_update();
	}
}

/* Create actual buttons */
GtkWidget *
create_fetch_buttons (void)
{
GtkWidget *table;
GtkWidget *table2;
GtkWidget *frame;
GtkWidget *main_vbox;
GtkWidget *b1;
GtkWidget *b2;
GtkWidget *pixmapwid1, *pixmapwid2;

GtkTooltips *tooltips;

tooltips=gtk_tooltips_new_2();
gtk_tooltips_set_delay_2(tooltips,1500);

pixmapwid1=gtk_pixmap_new(larrow_pixmap, larrow_mask);
gtk_widget_show(pixmapwid1);
pixmapwid2=gtk_pixmap_new(rarrow_pixmap, rarrow_mask);
gtk_widget_show(pixmapwid2);
   
/* Create a table to hold the text widget and scrollbars */
table = gtk_table_new (1, 1, FALSE);

main_vbox = gtk_vbox_new (FALSE, 1);
gtk_container_border_width (GTK_CONTAINER (main_vbox), 1);
gtk_container_add (GTK_CONTAINER (table), main_vbox);

frame = gtk_frame_new ("Fetch ");
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);

gtk_widget_show (frame);
gtk_widget_show (main_vbox);

table2 = gtk_table_new (2, 1, FALSE);

b1 = gtk_button_new();
gtk_container_add(GTK_CONTAINER(b1), pixmapwid1);
gtk_table_attach (GTK_TABLE (table2), b1, 0, 1, 0, 1,
			GTK_FILL | GTK_EXPAND,
		      	GTK_FILL | GTK_EXPAND | GTK_SHRINK, 1, 1);
gtk_signal_connect_object (GTK_OBJECT (b1), "clicked",
              		GTK_SIGNAL_FUNC(fetch_left), GTK_OBJECT (table2));
gtk_tooltips_set_tip_2(tooltips, b1, "Decrease 'From' Time", NULL);
gtk_widget_show(b1);

b2 = gtk_button_new();
gtk_container_add(GTK_CONTAINER(b2), pixmapwid2);
gtk_table_attach (GTK_TABLE (table2), b2, 0, 1, 1, 2,
		      	GTK_FILL | GTK_EXPAND,
		      	GTK_FILL | GTK_EXPAND | GTK_SHRINK, 1, 1);
gtk_signal_connect_object (GTK_OBJECT (b2), "clicked",
               		GTK_SIGNAL_FUNC(fetch_right), GTK_OBJECT (table2));
gtk_tooltips_set_tip_2(tooltips, b2, "Increase 'To' Time", NULL);
gtk_widget_show(b2);

gtk_container_add (GTK_CONTAINER (frame), table2);
gtk_widget_show(table2);
return(table);
}