//
//  aria - yet another download tool
//  Copyright (C) 2000, 2001 Tatsuhiro Tsujikawa
//
//  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.
//

// $Id: CheckCList.cc,v 1.6 2001/09/11 13:13:31 tujikawa Exp $

#include <iostream>
#include "aria.h"
#include "gui_utils.h"

static void CheckCList_selectRow_cb(GtkWidget *clist,
					int row,
					int column,
					GdkEventButton *event,
					gpointer data)
{
  static bool enterflag = false;
  if(enterflag == true || event == NULL) return;
  enterflag = true;

  switch(event->button) {
  case 1:
    if(event->state & GDK_CONTROL_MASK) {
    } else if(event->state & GDK_SHIFT_MASK) {
      int nearestSelectedRow = findNearestSelectedRow(clist, row);
      if(nearestSelectedRow < row) {
	for(int index = nearestSelectedRow+1; index < row; ++index) {
	  gtk_clist_select_row(GTK_CLIST(clist), index, 0);
	}
      } else {
	for(int index = row+1; index < nearestSelectedRow; ++index) {
	  gtk_clist_select_row(GTK_CLIST(clist), index, 0);
	}
      }
    } else {// with no mask
    }
    break;
  case 3:
    gtk_clist_unselect_row(GTK_CLIST(clist), row, 0);
    break;
  }
  enterflag = false;
  return;
}

static void CheckCList_unselectRow_cb(GtkWidget *clist,
				      int row,
				      int column,
				      GdkEventButton *event,
				      gpointer data)
{
  static bool enterflag = false;

  if(enterflag == true || event == NULL) return;
  enterflag = true;
  /*
  switch(event->button) {
  case 1:
    break;
  case 3:
    break;
  }
  */
  enterflag = false;
  return;
}

static int row;

static gboolean right_click_cb(GtkWidget *widget, 
			       GdkEvent *event,
			       GtkWidget *popup_menu) 
{ 
  if (event->button.button == 3) 
    { 
      row = -1;
      int column;
      gtk_clist_get_selection_info(GTK_CLIST(widget),
				   (int)event->button.x, (int)event->button.y,
				   &row, &column);
      if (row > -1) {
	gtk_menu_popup (GTK_MENU (popup_menu), NULL, NULL, 
			NULL, NULL, 3, event->button.time); 
	return TRUE; 
      }
    } 
  return FALSE; 
} 

static void Delete_item(GtkWidget *w, GtkWidget *clist)
{
  gtk_clist_remove(GTK_CLIST(clist), row);
}

GtkWidget *Create_popup_menu(GtkWidget **clist_ptr)
{
  GtkWidget *popup_menu = gtk_menu_new();

  GtkWidget *delete_item = gtk_menu_item_new_with_label(_("Delete"));

  gtk_menu_append(GTK_MENU(popup_menu), delete_item);

  // signal handling
  gtk_signal_connect(GTK_OBJECT(delete_item), "activate",
		     GTK_SIGNAL_FUNC(Delete_item), GTK_OBJECT(*clist_ptr));

  gtk_widget_show(delete_item);
 
  GtkWidget *popup_item = gtk_menu_item_new_with_label(_("Popup menu"));
  gtk_widget_show(popup_item);
  gtk_menu_item_set_submenu(GTK_MENU_ITEM(popup_item), popup_menu);

  gtk_signal_connect_after(GTK_OBJECT(*clist_ptr), "button_press_event", 
			   GTK_SIGNAL_FUNC(right_click_cb), 
			   (gpointer)popup_menu); 

  return popup_menu;
}

//check付きCList(仮)
GtkWidget *Create_CheckCList(GtkWidget **clist_ptr, char *titles[], int n_titles)
{
  // CList ウィジェットをパックするスクロールドウィンドウを作成する
  GtkWidget *scrolled_window = gtk_scrolled_window_new (NULL, NULL);

  gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
				 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

  gtk_widget_set_usize(scrolled_window, 300, 150);
  // CList を作成する。この例では n_titles 列を使う
  *clist_ptr = gtk_clist_new_with_titles(n_titles, titles);
  gtk_widget_set_name(*clist_ptr, "clist");
  gtk_clist_column_titles_passive(GTK_CLIST(*clist_ptr));
  gtk_clist_set_selection_mode(GTK_CLIST(*clist_ptr), GTK_SELECTION_MULTIPLE);

  // selection callbacks
  gtk_signal_connect(GTK_OBJECT(*clist_ptr), "select-row",
		     GTK_SIGNAL_FUNC(CheckCList_selectRow_cb),
		     NULL);
  gtk_signal_connect(GTK_OBJECT(*clist_ptr), "unselect-row",
		     GTK_SIGNAL_FUNC(CheckCList_unselectRow_cb),
		     NULL);

  // 境界に影を付ける必要などないが、そうすれば見栄えが良くなる :)
  gtk_clist_set_shadow_type(GTK_CLIST(*clist_ptr), GTK_SHADOW_ETCHED_OUT);

  // CList ウィジェットを垂直ボックスに加え、それを表示する
  gtk_container_add(GTK_CONTAINER(scrolled_window), *clist_ptr);
  gtk_widget_show(*clist_ptr);

  return scrolled_window;
}