/*
 * Layout routines for the GNOME edition of the GNU Midnight Commander
 *
 * (C) 1998 the Free Software Foundation
 *
 * Author: Miguel de Icaza (miguel@kernel.org)
 */
#include <config.h>
#include "x.h"
#include <stdio.h>
#include <sys/stat.h>
#include "dir.h"
#include "panel.h"
#include "gscreen.h"
#include "main.h"
#include "cmd.h"
#include "boxes.h"
#include "panelize.h"
#include "gcmd.h"

#define UNDEFINED_INDEX -1

GList *containers = 0;

int output_lines = 0;
int command_prompt = 1;
int keybar_visible = 1;
int message_visible = 1;
int xterm_hintbar = 0;

PanelContainer *current_panel_ptr, *other_panel_ptr;

WPanel *
get_current_panel (void)
{
	return current_panel_ptr->panel;
}

WPanel *
get_other_panel (void)
{
	if (other_panel_ptr)
		return other_panel_ptr->panel;
	else
		return NULL;
}

/* FIXME: we probably want to get rid of this code */
int
get_current_index (void)
{
	GList *p;
	int i;
	
	for (i = 0, p = containers; p; p = p->next, i++){
		if (p->data == current_panel_ptr)
			return i;
	}
	printf ("FATAL: current panel is not in the list\n");
	g_assert_not_reached ();
	return -1; /* keep -Wall happy */
}

int
get_other_index (void)
{
	GList *p;
	int i;
	
	for (i = 0, p = containers; p; p = p->next, i++){
		if (p->data == other_panel_ptr)
			return i;
	}
	return UNDEFINED_INDEX;
}

void
set_current_panel (int index)
{
	GList *p;
	
	for (p = containers; index; p = p->next)
		index--;
	current_panel_ptr = p->data; 
}

void
set_new_current_panel (WPanel *panel)
{
	GList *p;

	other_panel_ptr = current_panel_ptr;
	for (p = containers; p; p = p->next){
		if (((PanelContainer *)p->data)->panel == panel){
			printf ("Setting current panel to %p\n", p);
			current_panel_ptr = p->data;
		}
	}
}

void
set_hintbar (char *str)
{
	gtk_label_set (GTK_LABEL (current_panel_ptr->panel->status), str);
}

void
print_vfs_message (char *msg, ...)
{
	va_list ap;
	char str [256];
	
	va_start(ap, msg);
	vsprintf(str, msg, ap);
	va_end(ap);
	if (midnight_shutdown)
		return;
	
	set_hintbar(str);
}

void
rotate_dash (void)
{
}

int
get_current_type (void)
{
	return view_listing;
}


int
get_other_type (void)
{
	return other_panel_ptr ? view_listing : view_nothing;
}

int
get_display_type (int index)
{
	GList *p;

	if (index == UNDEFINED_INDEX)
		return -1;
	
	p = g_list_nth (containers, index);
	if (p)
		return ((PanelContainer *)p->data)->panel->list_type;
	else
		return -1;
}

void
use_dash (int ignore)
{
	/* we dont care in the gnome edition */
}

Widget *
get_panel_widget (int index)
{
	GList *p;
	
	for (p = containers; index; p = p->next)
		index--;
	return (Widget *) ((PanelContainer *)p->data)->panel;
}

/* FIXME: This routine is wrong.  It should follow what the original save_panel_types
 * does.  I can not remember which problem the original routine was trying to address
 * when I did the "New {Left|Rigth} Panel" sections.
 */
void save_panel_types (void)
{
	GList *p;
	
	for (p = containers; p; p = p->next){
		PanelContainer *pc = p->data;

		panel_save_setup (pc->panel, pc->panel->panel_name);
	}
}

void configure_box (void);

GnomeUIInfo gnome_panel_file_menu [] = {
	{ GNOME_APP_UI_ITEM, "Open Terminal",     "Opens a terminal", gnome_open_terminal },
	{ GNOME_APP_UI_SEPARATOR },
	{ GNOME_APP_UI_ITEM, "Copy",              "Copy files",       copy_cmd },
	{ GNOME_APP_UI_ITEM, "Rename/Move",       "Rename or move files", ren_cmd },
	{ GNOME_APP_UI_ITEM, "Mkdir",             "Creates a new folder", mkdir_cmd },
	{ GNOME_APP_UI_ITEM, "Delete",            "Delete files from disk", delete_cmd },
	{ GNOME_APP_UI_SEPARATOR },
	{ GNOME_APP_UI_ITEM, "View",              "View file", panel_action_view },
	{ GNOME_APP_UI_ITEM, "View raw",          "View the file without further processing",panel_action_view_unfiltered},
	{ GNOME_APP_UI_SEPARATOR },
	{ GNOME_APP_UI_ITEM, "Select group",      "Selects a group of files", select_cmd },
	{ GNOME_APP_UI_ITEM, "Unselect group",    "Un-selects a group of marked files", select_cmd },
	{ GNOME_APP_UI_ITEM, "Reverse selection", "Reverses the list of tagged files", reverse_selection_cmd },
	{ GNOME_APP_UI_SEPARATOR },
	{ GNOME_APP_UI_ITEM, "Exit",              "Exit program", gnome_quit_cmd, NULL, NULL,
	  GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_EXIT },
	{ GNOME_APP_UI_ENDOFINFO, 0, 0 }
};

GnomeUIInfo gnome_panel_panel_menu [] = {
	{ GNOME_APP_UI_ITEM, "Display mode...",   "Set the display mode for the panel",  gnome_listing_cmd },
	{ GNOME_APP_UI_ITEM, "Sort order...",     "Changes the sort order of the files", sort_cmd },
	{ GNOME_APP_UI_ITEM, "Filter...",         "Set a filter for the files", filter_cmd },
	{ GNOME_APP_UI_ITEM, "Rescan",            "Rescan the directory contents", reread_cmd },
	{ GNOME_APP_UI_SEPARATOR },
#ifdef USE_NETCODE
	{ GNOME_APP_UI_ITEM, "Network link...",   "Connect to a remote machine", netlink_cmd },
	{ GNOME_APP_UI_ITEM, "FTP link...",       "Connect to a remote machine with FTP", ftplink_cmd },
#endif
	{ GNOME_APP_UI_ENDOFINFO, 0, 0 }
};

GnomeUIInfo gnome_panel_options_menu [] = {
	{ GNOME_APP_UI_ITEM, "Confirmation",      "Confirmation settings", confirm_box },
	{ GNOME_APP_UI_ITEM, "Options",           "Global option settings", configure_box, NULL, NULL,
	  GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_PROP },
#ifdef USE_VFS
	{ GNOME_APP_UI_ITEM, "Virtual FS",        "Virtual File System settings", configure_vfs },
#endif
	{ GNOME_APP_UI_SEPARATOR },
	{ GNOME_APP_UI_ITEM, "Save setup",        NULL, save_setup_cmd },
	{ GNOME_APP_UI_ENDOFINFO, 0, 0 }
};

GnomeUIInfo gnome_panel_commands_menu [] = {
	{ GNOME_APP_UI_ITEM, "Find",              "Locate files on disk",   find_cmd },
	{ GNOME_APP_UI_ITEM, "Hotlist",           "List of favorite sites", quick_chdir_cmd },
	{ GNOME_APP_UI_ITEM, "Compare panels",    "Compare panel contents", gnome_compare_panels },
	{ GNOME_APP_UI_ITEM, "External panelize", NULL, external_panelize },
#ifdef USE_VFS					  
	{ GNOME_APP_UI_ITEM, "Active VFS list",   "List of active virtual file systems", reselect_vfs },
#endif						  
#ifdef USE_EXT2FSLIB
	{ GNOME_APP_UI_ITEM, "Undelete files (ext2fs only)", "Recover deleted files", undelete_cmd },
#endif
#ifdef WITH_BACKGROUND
	{ GNOME_APP_UI_ITEM, "Background jobs",   "List of background operations", jobs_cmd },
#endif
	{ GNOME_APP_UI_ENDOFINFO, 0, 0 }
};

GnomeUIInfo gnome_panel_about_menu [] = {
	{ GNOME_APP_UI_ITEM, "About",              "Information on this program", gnome_about_cmd, NULL, NULL,
	  GNOME_APP_PIXMAP_STOCK, GNOME_STOCK_MENU_ABOUT },
	GNOMEUIINFO_HELP ("midnight-commander"),
	GNOMEUIINFO_END
};

GnomeUIInfo gnome_panel_menu [] = {
	{ GNOME_APP_UI_SUBTREE, "File",     NULL, &gnome_panel_file_menu },
	{ GNOME_APP_UI_SUBTREE, "Panel",    NULL, &gnome_panel_panel_menu },
	{ GNOME_APP_UI_SUBTREE, "Commands", NULL, &gnome_panel_commands_menu },
	{ GNOME_APP_UI_SUBTREE, "Options",  NULL, &gnome_panel_options_menu },
	{ GNOME_APP_UI_SUBTREE, "Help",     NULL, &gnome_panel_about_menu },
	{ GNOME_APP_UI_ENDOFINFO, 0, 0 }
};

void
gnome_init_panels ()
{
	current_panel_ptr = NULL;
	other_panel_ptr = NULL;
}

static void
panel_enter_event (GtkWidget *widget, GdkEvent *event, WPanel *panel)
{
	/* Avoid unnecessary code execution */
	if (get_current_panel () == panel)
		return;
	
	set_new_current_panel (panel);
	dlg_select_widget (panel->widget.parent, panel);
	send_message (panel->widget.parent, (Widget *) panel, WIDGET_FOCUS, 0);
}

WPanel *
create_container (Dlg_head *h, char *name)
{
	PanelContainer *container = g_new (PanelContainer, 1);
	WPanel     *panel;
	GtkWidget  *app, *vbox;
	int slot;

	container->splitted = 0;
	app = gnome_app_new ("gmc", name);
	gtk_widget_set_usize (GTK_WIDGET (app), 400, 300);
	panel = panel_new (name);

	vbox = gtk_vbox_new (0, 0);
	gtk_widget_show (vbox);
	gnome_app_set_contents (GNOME_APP (app), vbox);
	gnome_app_create_menus_with_data (GNOME_APP (app), gnome_panel_menu, panel);
	gtk_widget_show (app);

	gtk_signal_connect (GTK_OBJECT (app),
			    "enter_notify_event",
			    GTK_SIGNAL_FUNC (panel_enter_event),
			    panel);
	
	/* Ultra nasty hack follows:
	 * I am setting the panel->widget.wdata value here before the
	 * panel X stuff gets created in the INIT message section of the
	 * widget.  There I put a pointer to the vbox where the panel
	 * should pack itself
	 */
	panel->widget.wdata = (widget_data) vbox;
	container->panel = panel;
	if (!containers){
		containers = g_list_alloc ();
		containers->data = container;
	} else  
		containers = g_list_append (containers, container);

	if (!current_panel_ptr){
		current_panel_ptr = container;
	} else if (!other_panel_ptr)
		other_panel_ptr = container;

	bind_gtk_keys (GTK_WIDGET (app), h);
	return panel;
}

void
new_panel_at (char *dir)
{
	WPanel *panel;
	Dlg_head *h = current_panel_ptr->panel->widget.parent;
	
	mc_chdir (dir);
	panel = create_container (h, "Other");
	add_widget (h, panel);

	set_new_current_panel (panel);
}

void
setup_panels (void)
{
	load_hint ();
}