support.c

linux的多线程下载工具。基于gtk界面。

/*
 * THIS FILE IS NOT generated by Glade.
 * (Though many codes are hacked from the auto-generated Glade project)
 *
 * DONOT USE GLADE TO MODIFY IT!!!!!!!!!!!!!!!!
 */

/* support.c
 *
 * Copyright (C) 2004-2004 Wang Xiaoguang (Chice) <[e-mail]>
 *
 * 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
 *
 * Authors: Wang Xiaoguang (Chice) <[e-mail]>
 */




/*
 * DO NOT EDIT THIS FILE - it is generated by Glade.
 */

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

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>

#include "../os.h"
#include "../dld_language.h"

#include <gtk/gtk.h>

#include "support.h"

#include <X11/Xlib.h>

#include "interface.h"

GtkWidget*
lookup_widget                          (GtkWidget       *widget,
                                        const gchar     *widget_name)
{
  GtkWidget *parent, *found_widget;

  for (;;)
    {
      if (GTK_IS_MENU (widget))
        parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
      else
        parent = widget->parent;
      if (!parent)
        parent = (GtkWidget*) g_object_get_data (G_OBJECT (widget), "GladeParentKey");
      if (parent == NULL)
        break;
      widget = parent;
    }

  found_widget = (GtkWidget*) g_object_get_data (G_OBJECT (widget),
                                                 widget_name);
  if (!found_widget)
    g_warning ("Widget not found: %s", widget_name);
  return found_widget;
}

static GList *pixmaps_directories = NULL;

/* Use this function to set the directory containing installed pixmaps. */
void
add_pixmap_directory                   (const gchar     *directory)
{
  pixmaps_directories = g_list_prepend (pixmaps_directories,
                                        g_strdup (directory));
}

/* This is an internally used function to find pixmap files. */
static gchar*
find_pixmap_file                       (const gchar     *filename)
{
  GList *elem;

  /* We step through each of the pixmaps directory to find it. */
  elem = pixmaps_directories;
  while (elem)
    {
      gchar *pathname = g_strdup_printf ("%s%s%s", (gchar*)elem->data,
                                         G_DIR_SEPARATOR_S, filename);
      if (g_file_test (pathname, G_FILE_TEST_EXISTS))
        return pathname;
      g_free (pathname);
      elem = elem->next;
    }
  return NULL;
}

/* This is an internally used function to create pixmaps. */
GtkWidget*
create_pixmap                          (GtkWidget       *widget,
                                        const gchar     *filename)
{
  gchar *pathname = NULL;
  GtkWidget *pixmap;

  if (!filename || !filename[0])
      return gtk_image_new ();

  pathname = find_pixmap_file (filename);

  if (!pathname)
    {
      g_warning ("Couldn't find pixmap file: %s", filename);
      return gtk_image_new ();
    }

  pixmap = gtk_image_new_from_file (pathname);
  g_free (pathname);
  return pixmap;
}

/* This is an internally used function to create pixmaps. */
GdkPixbuf*
create_pixbuf                          (const gchar     *filename)
{
  gchar *pathname = NULL;
  GdkPixbuf *pixbuf;
  GError *error = NULL;

  if (!filename || !filename[0])
      return NULL;

  pathname = find_pixmap_file (filename);

  if (!pathname)
    {
      g_warning ("Couldn't find pixmap file: %s", filename);
      return NULL;
    }

  pixbuf = gdk_pixbuf_new_from_file (pathname, &error);
  if (!pixbuf)
    {
      fprintf (stderr, "Failed to load pixbuf file: %s: %s\n",
               pathname, error->message);
      g_error_free (error);
    }
  g_free (pathname);
  return pixbuf;
}

/* This is used to set ATK action descriptions. */
void
glade_set_atk_action_description       (AtkAction       *action,
                                        const gchar     *action_name,
                                        const gchar     *description)
{
  gint n_actions, i;

  n_actions = atk_action_get_n_actions (action);
  for (i = 0; i < n_actions; i++)
    {
      if (!strcmp (atk_action_get_name (action, i), action_name))
        atk_action_set_description (action, i, description);
    }
}

extern GtkWidget *window_main;

void quick_message(GtkWidget *parent, gchar *message) 
{
	GtkWidget *dlg;

	dlg = gtk_message_dialog_new(GTK_WINDOW(parent),
			GTK_DIALOG_MODAL, GTK_MESSAGE_INFO,
			GTK_BUTTONS_NONE,
			message);
			
	gtk_dialog_add_buttons(GTK_DIALOG(dlg),
			GTK_STOCK_OK, GTK_RESPONSE_YES,
			NULL);

	gtk_dialog_set_default_response(GTK_DIALOG(dlg), GTK_RESPONSE_YES);
	gtk_dialog_run(GTK_DIALOG(dlg));
	gtk_widget_destroy(dlg);  
}



//GTK_RESPONSE_YES
//GTK_RESPONSE_NO
gint quick_question(GtkWidget *parent, gchar *message)
{
	GtkWidget *dlg;
	int ret;

	
	dlg = gtk_message_dialog_new(GTK_WINDOW(parent),
			GTK_DIALOG_MODAL, GTK_MESSAGE_QUESTION,
			GTK_BUTTONS_YES_NO,
			message);
	
	gtk_dialog_set_default_response(GTK_DIALOG(dlg), GTK_RESPONSE_YES);

	ret = gtk_dialog_run(GTK_DIALOG(dlg));

	/*switch (ret) {
		case GTK_RESPONSE_NO:
			ret = TRUE;
			break;
		case GTK_RESPONSE_YES: 
			break;
		case GTK_RESPONSE_CANCEL:
		default:
			ret = FALSE;
			break;
	}
	*/
	gtk_widget_destroy(dlg);
	return ret;
}


static int async_system_thread(gpointer *params)
{
	// params[0] cmd
	// params[1] showresult
	// params[2] ready
	
	STRING *cmd = string_assign(NULL, (char *)params[0]);
	BOOL showresult = (BOOL)params[1];
	BOOL *ready = (BOOL *)params[2];
	CHAR msg[1000];
/*	
	CHAR buf[4096 + 1];
	STRING *resultstr=NULL;
	BOOL hasoutput = FALSE;
*/
	
	*ready = TRUE;
	
	
	/*
	FILE *pp;
	pp = popen(cmd->str, "r");
	
	
	if(pp)
	{
		resultstr = string_new("");
		snprintf(msg, sizeof(msg), _"Finished executing '%s'. The result is:\n\n"), cmd->str);
		resultstr = string_append(resultstr, msg);
		
		while(!feof(pp))
		{
			fgets(buf, sizeof(buf) - 1, pp);
			dprintf("OUTPUT BUF = %s\n", buf);
			
			resultstr = string_append(resultstr, buf);
			if(strlen(buf)!=0)
				hasoutput = TRUE;
			
			os_sleep(100);
		}
		
		pclose(pp);
		
		if(showresult || hasoutput)
		{
			dprintf("showresult || hasoutput\n");
			if(!hasoutput)
			{
				resultstr = string_append(resultstr, _"The program has no output. Usually, it finished successfully.\n"));
			}
			quick_message(NULL, resultstr->str);
		}
		
		resultstr = string_free(resultstr);
	}*/
	if(system(cmd->str) != -1)
	{
		snprintf(msg, sizeof(msg), _("Finished executing '%s'.\n\n"), cmd->str);
		if(showresult) quick_message(NULL, msg);
	}
	else
	{
		snprintf(msg, sizeof(msg), _("Can't execute command: %s"), cmd->str);
		quick_message(NULL, msg);
	}
	cmd = string_free(cmd);
	return 0;
}

static gboolean cancel_busy(gpointer data)
{
	gdk_window_set_cursor (window_main->window, NULL);
	return FALSE;
}

void async_system(char *cmd, BOOL showresult)
{
	BOOL ready = FALSE;
	pthread_t threadid;
	static GdkCursor *cursor = NULL;
	
	gpointer params[3];
	params[0] = (gpointer)cmd;
	params[1] = (gpointer)showresult;
	params[2] = &ready;
	
	if(!cursor)
		cursor = gdk_cursor_new(GDK_WATCH);
	
	gdk_window_set_cursor (window_main->window, cursor);
	g_timeout_add(2000, (GSourceFunc)cancel_busy, NULL);
	
	pthread_create(&threadid, NULL, (THREADPROC)async_system_thread, params);
	while(!ready)
		os_sleep(20);
}




static gboolean destroy_toptip(GtkWidget *toptip)
{
	gtk_widget_destroy(toptip);
	return FALSE;
}
void quick_toptip(char *msg)
{
	g_timeout_add(5000, (GSourceFunc)destroy_toptip, create_toptip(msg));
}



gint quick_choice(char *msg, GList *choices)
{
	GtkWidget *w;
	gint ret;
	gchar *text;
	
	w = create_dialog_choice();
	
	gtk_label_set_label(GTK_LABEL(lookup_widget(w, "label_msg")), msg);
	gtk_combo_set_popdown_strings(GTK_COMBO (lookup_widget(w, "combo_choice")), choices);
	
	gtk_dialog_run(GTK_DIALOG(w));
	text = (gchar *)gtk_entry_get_text(GTK_ENTRY(lookup_widget(w, "combo_choice_text")));	
	
	dprintf("[CHOICE]%s\n", text);
	
	ret = g_list_index(choices, g_list_find_custom(choices, text, (GCompareFunc)strcmp)->data);
	gtk_widget_destroy(w);
	
	return ret;
}