/* gpe-appmgr - a program launcher

   Copyright 2002 Robert Mibus;

   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, 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.
*/

#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <libintl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>

#include "../gpe-appmgr/cfg.h"
#include "applets.h"

#include "appmgr_setup.h"
#include <xsettings-client.h>
#include <gpe/errorbox.h>
#include <gpe/spacing.h>


GtkWidget *all_group_check=NULL;
GtkWidget *tab_view_icon=NULL;
GtkWidget *tab_view_list=NULL;
GtkWidget *auto_hide_group_labels_check=NULL;
GtkWidget *show_recent_check=NULL;
GtkWidget *dont_launch_check=NULL;

char dont_launch_file[255];

static XSettingsClient *client;

#define KEY_BASE "GPE/APPMGR/"

static void
notify_func (const char       *name,
	     XSettingsAction   action,
	     XSettingsSetting *setting,
	     void             *cb_data)
{

  if (strncmp (name, KEY_BASE, strlen (KEY_BASE)) == 0)
    {
      char *p = (char*)name + strlen (KEY_BASE);

      if (!strcmp (p, "SHOW-ALL-GROUP"))
	{
	  if (setting->type == XSETTINGS_TYPE_INT)
	    {
		    cfg_options.show_all_group = setting->data.v_int;
			gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(all_group_check),
				cfg_options.show_all_group);
	    }
	}

      if (!strcmp (p, "AUTOHIDE-GROUP-LABELS"))
      {
	      if (setting->type == XSETTINGS_TYPE_INT)
	      {
			cfg_options.auto_hide_group_labels = setting->data.v_int;
			gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(auto_hide_group_labels_check),
				      cfg_options.auto_hide_group_labels);
	      }
      }
      
      if (!strcmp (p, "SHOW-RECENT-APPS")) {
	      if (setting->type == XSETTINGS_TYPE_INT) {
		      cfg_options.show_recent_apps = setting->data.v_int;
			gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(show_recent_check),
				      cfg_options.show_recent_apps);
	      }
      }

    }
}

static GdkFilterReturn
xsettings_event_filter (GdkXEvent *xevp, GdkEvent *ev, gpointer p)
{
  if (xsettings_client_process_event (client, (XEvent *)xevp))
    return GDK_FILTER_REMOVE;

  return GDK_FILTER_CONTINUE;
}


static void 
watch_func (Window window,
	    Bool   is_start,
	    long   mask,
	    void  *cb_data)
{
  GdkWindow *gdkwin;
  
  gdkwin = gdk_window_lookup (window);

  if (is_start)
    {
      if (!gdkwin)
	gdkwin = gdk_window_foreign_new (window);
      else
	g_object_ref (gdkwin);

      gdk_window_add_filter (gdkwin, xsettings_event_filter, NULL);
    }
  else
    {
      g_assert (gdkwin);
      g_object_unref (gdkwin);
      gdk_window_remove_filter (gdkwin, xsettings_event_filter, NULL);
    }
}

gboolean
gpe_appmgr_start_xsettings (void)
{
  Display *dpy = GDK_DISPLAY ();

	/* Default options */
	cfg_options.show_all_group = 0;
	cfg_options.auto_hide_group_labels = 1;
	cfg_options.tab_view = TAB_VIEW_ICONS;
	cfg_options.list_icon_size = 48;
	cfg_options.show_recent_apps = 0;
	cfg_options.recent_apps_number = 4;
	cfg_options.on_window_close = WINDOW_CLOSE_IGNORE;
	cfg_options.use_windowtitle = 1;

  client = xsettings_client_new (dpy, DefaultScreen (dpy), notify_func, watch_func, NULL);
  if (client == NULL)
    {
      fprintf (stderr, "Cannot create XSettings client\n");
      return FALSE;
    }

	return TRUE;
}


int dont_launch_exists()
{
  char *home = getenv("HOME");
  if(strlen(home) > 230)
      gpe_error_box( "bad $HOME !!");

  sprintf(dont_launch_file,"%s/.gpe/dont_launch_appmgr",home);
  
  return file_exists(dont_launch_file);
}

void page_add (GtkVBox *vb)
{
	GtkWidget *catvbox1;
	GtkWidget *catlabel1;
	GtkWidget *catconthbox1;
	GtkWidget *catindentlabel1;
	GtkWidget *controlvbox1;
	GtkWidget *catvbox2;
	GtkWidget *catlabel2;
	GtkWidget *catconthbox2;
	GtkWidget *catindentlabel2;
	GtkWidget *controlvbox2;
	GSList *controlvbox2_group = NULL;
	
	GtkWidget *label;

	gchar *gpe_catindent = gpe_get_catindent ();
	guint gpe_boxspacing = gpe_get_boxspacing ();

	/* -------------------------------------------------------------------------- */
	catvbox1 = gtk_vbox_new (FALSE, gpe_boxspacing);
	gtk_box_pack_start (GTK_BOX (vb), catvbox1, TRUE, TRUE, 0);
	
	catlabel1 = gtk_label_new (_("General")); 
	gtk_box_pack_start (GTK_BOX (catvbox1), catlabel1, FALSE, FALSE, 0);
	gtk_label_set_justify (GTK_LABEL (catlabel1), GTK_JUSTIFY_LEFT);
	gtk_misc_set_alignment (GTK_MISC (catlabel1), 0, 0.5);
	
	catconthbox1 = gtk_hbox_new (FALSE, 0);
	gtk_box_pack_start (GTK_BOX (catvbox1), catconthbox1, TRUE, TRUE, 0);
	
	catindentlabel1 = gtk_label_new (gpe_catindent);
	gtk_box_pack_start (GTK_BOX (catconthbox1), catindentlabel1, FALSE, FALSE, 0);
	
	controlvbox1 = gtk_vbox_new (FALSE, gpe_boxspacing);
	gtk_box_pack_start (GTK_BOX (catconthbox1), controlvbox1, TRUE, TRUE, 0);
	
	
	/* Show the 'All' group */
	all_group_check =
		gtk_check_button_new_with_label (_("Show 'All' group"));
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(all_group_check),
				      cfg_options.show_all_group);

	gtk_box_pack_start (GTK_BOX(controlvbox1), all_group_check, FALSE, FALSE, 0);

	/* Autohide group titles */
	auto_hide_group_labels_check =
		gtk_check_button_new_with_label (_("Auto-hide group labels"));
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(auto_hide_group_labels_check),
				      cfg_options.auto_hide_group_labels);
	gtk_box_pack_start (GTK_BOX(controlvbox1), auto_hide_group_labels_check, FALSE, FALSE, 0);

	/* Show 'recent' tab */
	show_recent_check =
		gtk_check_button_new_with_label (_("Show 'Recent' tab"));
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(show_recent_check),
				      cfg_options.show_recent_apps);
	gtk_box_pack_start (GTK_BOX(controlvbox1), show_recent_check, FALSE, FALSE, 0);

	/* Don't launch at startup */
	dont_launch_check =
		gtk_check_button_new_with_label (_("Do not launch at startup"));
	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON( dont_launch_check),
				      dont_launch_exists());
	gtk_box_pack_start (GTK_BOX(controlvbox1), dont_launch_check, FALSE, FALSE, 0);

	/* -------------------------------------------------------------------------- */
	catvbox2 = gtk_vbox_new (FALSE, gpe_boxspacing);
	gtk_box_pack_start (GTK_BOX (vb), catvbox2, TRUE, TRUE, 0);
	
	catlabel2 = gtk_label_new (_("Tab View")); /* FIXME: GTK2: make this bold */
	gtk_box_pack_start (GTK_BOX (catvbox2), catlabel2, FALSE, FALSE, 0);
	gtk_label_set_justify (GTK_LABEL (catlabel2), GTK_JUSTIFY_LEFT);
	gtk_misc_set_alignment (GTK_MISC (catlabel2), 0, 0.5);
	
	catconthbox2 = gtk_hbox_new (FALSE, 0);
	gtk_box_pack_start (GTK_BOX (catvbox2), catconthbox2, TRUE, TRUE, 0);
	
	catindentlabel2 = gtk_label_new (gpe_catindent);
	gtk_box_pack_start (GTK_BOX (catconthbox2), catindentlabel2, FALSE, FALSE, 0);
	
	controlvbox2 = gtk_vbox_new (FALSE, gpe_boxspacing);
	gtk_box_pack_start (GTK_BOX (catconthbox2), controlvbox2, TRUE, TRUE, 0);


	tab_view_icon = gtk_radio_button_new_with_label (controlvbox2_group, _("Icon"));
	controlvbox2_group = gtk_radio_button_group (GTK_RADIO_BUTTON (tab_view_icon));
	gtk_box_pack_start (GTK_BOX (controlvbox2), tab_view_icon, FALSE, FALSE, 0);
	
	tab_view_list = gtk_radio_button_new_with_label_from_widget (GTK_RADIO_BUTTON(tab_view_icon), _("List"));
	controlvbox2_group = gtk_radio_button_group (GTK_RADIO_BUTTON (tab_view_list));
	gtk_box_pack_start (GTK_BOX (controlvbox2), tab_view_list, FALSE, FALSE, 0);

	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(tab_view_list),
				      cfg_options.tab_view == TAB_VIEW_LIST);
	
	/* -------------------------------------------------------------------------- */
	/*  Label */
	label = gtk_label_new(_("Changes will take effect after relog"));
	gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
	gtk_box_pack_start_defaults (GTK_BOX(vb), label);

	gpe_appmgr_start_xsettings();

	gtk_widget_show_all (GTK_WIDGET(vb));
}

void Appmgr_Restore (void){}
	
void Appmgr_Free_Objects (void){	
}
	
void Appmgr_Save (void)
{
	system_printf(PREFIX "/bin/xst write %s%s int %i",KEY_BASE,"SHOW-ALL-GROUP",gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(all_group_check)));
	system_printf(PREFIX "/bin/xst write %s%s int %i",KEY_BASE,"AUTOHIDE-GROUP-LABELS",gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(auto_hide_group_labels_check)));
	system_printf(PREFIX "/bin/xst write %s%s int %i",KEY_BASE,"SHOW-RECENT-APPS",gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(show_recent_check)));
	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(dont_launch_check)))
	  system_printf("touch %s",dont_launch_file);
	else if(file_exists(dont_launch_file))
	  system_printf("rm %s",dont_launch_file);
}

GtkWidget *Appmgr_Build_Objects()
{
	GtkWidget  *vbox;

 	guint gpe_catspacing = gpe_get_catspacing ();
	guint gpe_border = gpe_get_border ();
  
	vbox = gtk_vbox_new (FALSE, gpe_catspacing);
	gtk_container_set_border_width (GTK_CONTAINER (vbox), gpe_border);

	page_add (GTK_VBOX(vbox));

	return vbox;
}