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/*
* progressbar.cpp - A subclass of Progress; this provides a dialog with
* a progress meter embedded within it, and optionally, a cancel button.
*
* Copyright (c) 2004-2006 by Alastair M. Robinson
* Distributed under the terms of the GNU General Public License -
* see the file named "COPYING" for more details.
*
*/
#include <iostream>
#include <gtk/gtk.h>
#include <gtk/gtklabel.h>
#include <gtk/gtkvbox.h>
#include <gtk/gtkwindow.h>
#include <gtk/gtkprogressbar.h>
#include <gtk/gtkstock.h>
#include "progressbar.h"
using namespace std;
void ProgressBar::cancel_callback(GtkWidget *wid,gpointer *ob)
{
ProgressBar *p=(ProgressBar *)ob;
p->cancelled=true;
}
ProgressBar::ProgressBar(const char *message,bool cancel,GtkWidget *parent) : Progress(), message(message), cancelled(false)
{
window=gtk_window_new(GTK_WINDOW_TOPLEVEL);
if(parent)
gtk_window_set_transient_for(GTK_WINDOW(window),GTK_WINDOW(parent));
gtk_window_set_title(GTK_WINDOW(window),"Progress...");
gtk_window_set_default_size(GTK_WINDOW(window),10,10);
gtk_widget_show(window);
gtk_container_set_border_width(GTK_CONTAINER(window),10);
GtkWidget *vbox=gtk_vbox_new(FALSE,0);
gtk_container_add(GTK_CONTAINER(window),vbox);
gtk_widget_show(vbox);
GtkWidget *label=gtk_label_new(message);
gtk_box_pack_start(GTK_BOX(vbox),label,FALSE,FALSE,0);
gtk_widget_show(label);
progressbar=gtk_progress_bar_new();
gtk_box_pack_start(GTK_BOX(vbox),progressbar,FALSE,FALSE,0);
gtk_widget_show(progressbar);
if(cancel)
{
GtkWidget *c=gtk_button_new_from_stock(GTK_STOCK_CANCEL);
gtk_box_pack_start(GTK_BOX(vbox),c,FALSE,FALSE,0);
gtk_widget_show(c);
g_signal_connect(G_OBJECT(c),"clicked",G_CALLBACK(cancel_callback),this);
}
DoProgress(0,1);
}
ProgressBar::~ProgressBar()
{
gtk_widget_destroy(window);
}
bool ProgressBar::DoProgress(int i,int maxi)
{
if(maxi)
{
float v=i;
v/=maxi;
gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progressbar),v);
}
else
gtk_progress_bar_pulse(GTK_PROGRESS_BAR(progressbar));
while(gtk_events_pending())
gtk_main_iteration_do(false);
if(cancelled)
return(false);
else
return(true);
}
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