/*
 * FIG : Facility for Interactive Generation of figures
 * Copyright (c) 1989-2007 by Brian V. Smith
 * Parts Copyright (c) 1991 by Paul King
 *
 * Any party obtaining a copy of these files is granted, free of charge, a
 * full and unrestricted irrevocable, world-wide, paid up, royalty-free,
 * nonexclusive right and license to deal in this software and documentation
 * files (the "Software"), including without limitation the rights to use,
 * copy, modify, merge, publish distribute, sublicense and/or sell copies of
 * the Software, and to permit persons who receive copies from any such
 * party to do so, with the only requirement being that the above copyright
 * and this permission notice remain intact.
 *
 */

#include "fig.h"
#include "figx.h"
#include "resources.h"
#include "main.h"
#include "mode.h"
#include "object.h"
#include "d_text.h"
#include "f_read.h"
#include "f_util.h"
#include "u_create.h"
#include "u_fonts.h"
#include "u_pan.h"
#include "u_redraw.h"
#include "u_search.h"
#include "u_undo.h"
#include "w_canvas.h"
#include "w_cmdpanel.h"
#include "w_digitize.h"
#include "w_drawprim.h"
#include "w_export.h"
#include "w_file.h"
#include "w_help.h"
#include "w_icons.h"
#include "w_indpanel.h"
#include "w_layers.h"
#include "w_msgpanel.h"
#include "w_mousefun.h"
#include "w_print.h"
#include "w_rulers.h"
#include "w_srchrepl.h"
#include "w_util.h"
#include "w_setup.h"
#include "w_style.h"
#include "w_zoom.h"
#include "w_snap.h"
#include "e_delete.h"
#include "f_load.h"
#include "u_bound.h"
#include "u_draw.h"
#include "u_free.h"
#include "u_list.h"
#include "u_translate.h"
#include "w_cursor.h"
#include "w_modepanel.h"

#ifndef XAW3D1_5E
#include "w_menuentry.h"
#endif
#ifdef I18N
#include "d_text.h"
#endif  /* I18N */

#include <X11/IntrinsicP.h> /* XtResizeWidget() */

/* internal features and definitions */

DeclareStaticArgs(12);

#define menu_item_bitmap_width 9
#define menu_item_bitmap_height 8
static unsigned char menu_item_bitmap_bits[] = {
   0x00, 0x01, 0x80, 0x01, 0xc0, 0x00, 0x60, 0x00,
   0x31, 0x00, 0x1b, 0x00, 0x0e, 0x00, 0x04, 0x00
};

static Pixmap menu_item_bitmap = None;

/* Widgets holding the ascii values for the string-based settings */

Widget	bal_delay;
Widget	n_freehand_resolution;
Widget	n_recent_files;
Widget	max_colors;
Widget	image_ed;
Widget	spell_chk;
Widget	browser;
Widget	pdfview;

/* global settings */

Widget	global_popup = (Widget) 0;
Widget	global_panel;

/* prototypes */

static void	enter_cmd_but(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch);
void		delete_all_cmd(Widget w, int closure, int call_data);
static void	init_move_paste_object(int x, int y),move_paste_object(int x, int y);
static void	place_object(int x, int y, unsigned int shift),cancel_paste(void);
static void	paste_draw(int paint_mode);
static void	place_object_orig_posn(int x, int y, unsigned int shift);
static void	place_menu(Widget w, XEvent *event, String *params, Cardinal *nparams), popup_menu(Widget w, XEvent *event, String *params, Cardinal *nparams);
static void	load_recent_file(Widget w, XtPointer client_data, XtPointer call_data);

static void	popup_global_panel(Widget w);
static void	global_panel_done(Widget w, XButtonEvent *ev);
static void	global_panel_cancel(Widget w, XButtonEvent *ev);
static void	character_panel_close(void);
static void	paste_char(Widget w, XtPointer client_data, XtPointer call_data);

Widget		CreateLabelledAscii(Widget *text_widg, char *label, char *widg_name, Widget parent, Widget below, char *str, int width);
static Widget	create_main_menu(int menu_num, Widget beside);

static int	off_paste_x,off_paste_y;
static int	orig_paste_x,orig_paste_y;

static Widget	character_map_popup = (Widget) 0;
static Widget	character_map_panel, close_but;

#ifdef XAW3D1_5E
#else
/* popup message over command button when mouse enters it */
static void     cmd_balloon_trigger(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch);
static void     cmd_unballoon(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch);

/* popup message over filename window when mouse enters it */
static void     filename_balloon_trigger(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch);
static void     filename_unballoon(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch);
#endif /* XAW3D1_5E */

String  global_translations =
        "<Message>WM_PROTOCOLS: DismissGlobal()\n";

String  charmap_translations =
        "<Message>WM_PROTOCOLS: DismissCharmap()\n";

static XtActionsRec     global_actions[] =
		    {
			{"DismissGlobal", (XtActionProc) global_panel_cancel},
		    };
static XtActionsRec     charmap_actions[] =
		    {
			{"DismissCharmap", (XtActionProc) character_panel_close},
		    };

static XtActionsRec     menu_actions[] =
		    {
			{"xMenuPopup", (XtActionProc) popup_menu},
			{"PlaceMenu", (XtActionProc) place_menu},
		    };

menu_def file_menu_items[] = {
	{"New         (Meta-N)",	0, new, False},
	{"Open...     (Meta-O)",	0, popup_open_panel, False}, 
	{"Merge...    (Meta-M)",	0, popup_merge_panel, False}, 
#ifdef DIGITIZE
	{"Digitize... (Meta-Z)",	0, popup_digitize_panel, False},
#endif /* DIGITIZE */
	{"Save        (Meta-S)",	0, do_save, False},
	{"Save As...  (Meta-A)",	5, popup_saveas_panel, False},
	{"Export...   (Meta-X) (Quick = Shift-Meta-X)",	0, popup_export_panel, False},
	{"Print...    (Meta-P) (Quick = Shift-Meta-P)",	0, popup_print_panel, False},
	{"Exit        (Meta-Q)",	1, quit, False},
	{(char *) -1,			0, NULL, False}, /* makes a line separator followed by */
	{NULL, 0, NULL, False},				/* recently loaded files */
    };

menu_def edit_menu_items[] = {
	{"Undo               (Meta-U) ", 0, undo, False},
	{"Paste Objects      (Meta-T) ", 0, paste, False},
	{"Paste Text         (F18/F20)", 6, paste_primary_selection, False},
	{"Search/Replace...  (Meta-I) ", -1, popup_search_panel, False},
	{"Spell Check...     (Meta-K) ", 0, spell_check, False},
	{"Delete All         (Meta-D) ", 0, delete_all_cmd, False},
	{"-",				 0, NULL, False},	 /* divider line */
	{"Global settings... (Meta-G) ", 0, show_global_settings, False},
	{"Set units...       (Shift-U)", 5, popup_unit_panel, False},
	{NULL, 0, NULL, False},
    };

#define PAGE_BRD_MSG	"Show page borders   (Meta-B)"
#define DPTH_MGR_MSG	"Show depth manager          "
#define INFO_BAL_MSG	"Show info balloons  (Meta-Y)"
#define LINE_LEN_MSG	"Show line lengths   (Meta-L)"
#define VRTX_NUM_MSG	"Show vertex numbers         "
#define AUTO_RFS_MSG	"Autorefresh mode            "

menu_def view_menu_items[] = {
	{"Manage Styles...      (Ctrl-Y)",  7, popup_manage_style_panel, False},
	{"Redraw                (Ctrl-L)",  0, redisplay_canvas, False},
	{"Portrait/Landscape    (Meta-C)",  3, change_orient, False},
	{"Zoom In               (Shift-Z)", 5, inc_zoom, False},
	{"Zoom Out              (z)",	    5, dec_zoom, False},
	{"Zoom to Fit canvas    (Ctrl-Z)",  8, fit_zoom, False},
	{"Unzoom",			    0, unzoom, False},
	{"Pan to origin",		    0, pan_origin, False},
	{"Character map",		    0, popup_character_map, False},
	{"-",				    0, NULL, False},	/* divider line */
	/* the following menu labels will be refreshed in refresh_view_menu() */
	{PAGE_BRD_MSG,			    10, toggle_show_borders, True},
	{DPTH_MGR_MSG,			     5, toggle_show_depths, True},
	{INFO_BAL_MSG,			     6, toggle_show_balloons, True},
	{LINE_LEN_MSG,			    10, toggle_show_lengths, True},
	{VRTX_NUM_MSG,			     5, toggle_show_vertexnums, True},
	{AUTO_RFS_MSG,			     0, toggle_refresh_mode, True},
	{NULL, 0, NULL, False},
    };

menu_def help_menu_items[] = {
	{"Xfig Reference (HTML)...",	0, launch_refman, False},
#ifdef FIXED_JAPANESE_PDF
	{"Xfig Reference (PDF, English)...",	0, launch_refpdf_en, False},
	/* Tom Sato said that the Japanese version of the pdf looked ugly so we'll not distribute it now */
	{"Xfig Reference (PDF, Japanese)...",	0, launch_refpdf_jp, False},
#else
	{"Xfig Reference (PDF)...",	0, launch_refpdf_en, False},
#endif /* FIXED_JAPANESE_PDF */
	{"Xfig Man Pages (HTML)...",	5, launch_man, False},
	{"How-To Guide (PDF)...",	0, launch_howto, False},
	{"About Xfig...",		0, launch_about, False},
	{NULL, 0, NULL, False},
    };

menu_def snap_menu_items[] = {
  {"Hold",	0, snap_hold},		/* hol snap mode until released					*/
  {"Release",	0, snap_release},	/* release hold							*/
  {"-",		0, NULL},		/* make a dividing line						*/
                                /* selections that always work						*/
  {"Endpoint",	0, snap_endpoint},	/* snap to vertices or other endpoints				*/
  {"Midpoint",	0, snap_midpoint},	/* snap to segment or other midpoints				*/
  {"Nearest",	0, snap_nearest},	/* snap to nearest object					*/
  {"Focus",	0, snap_focus},		/* snap to ellipse focus or circle centerpoint			*/
  {"-",		0, NULL},		/* make a dividing line						*/
                                /* selections that only work as a polyline vertex (other stuff?)	*/
  {"Normal",	0, snap_normal},	/* snap to point that results in a seg normal to snapped-to obj	*/
  {"Tangent",	0, snap_tangent},	/* snap to point that results in a seg tangent to obj		*/
  {"Intersection", 0, snap_intersect},	/* snap to intersection of picked objs				*/
  {"Diameter",	0, snap_diameter},	/* snap to ellipse or circle opposite diameter			*/
  {"-",		0, NULL},		/* make a dividing line						*/
  {NULL, 0, NULL},
};

/* command panel of menus */

main_menu_info main_menus[] = {
    {"File", "filemenu", "File menu", file_menu_items},
    {"Edit", "editmenu", "Edit menu", edit_menu_items},
    {"View", "viewmenu", "View menu", view_menu_items},
    {"Snap", "snapmenu", "Snap menu", snap_menu_items},
    {"Help", "helpmenu", "Help menu", help_menu_items},
};
#define		NUM_CMD_MENUS  (sizeof(main_menus) / sizeof(main_menu_info))

/* needed by setup_sizes() */


void create_global_panel (Widget w);
int locate_menu (String *params, Cardinal *nparams);


int
num_main_menus(void)
{
    return (NUM_CMD_MENUS);
}

/* command panel */
void
init_main_menus(Widget tool, char *filename)
{
    register int    i;
    Widget	    beside = NULL;
    DeclareArgs(11);

    FirstArg(XtNborderWidth, 0);
    NextArg(XtNcolormap, tool_cm);
    NextArg(XtNdefaultDistance, 0);
    NextArg(XtNhorizDistance, 0);
    NextArg(XtNvertDistance, 0);
    NextArg(XtNleft, XtChainLeft);
    NextArg(XtNright, XtChainLeft);
    NextArg(XtNtop, XtChainTop);
    NextArg(XtNbottom, XtChainTop);
    cmd_form = XtCreateWidget("commands", formWidgetClass, tool, Args, ArgCount);

    for (i = 0; i < NUM_CMD_MENUS; ++i) {
	beside = create_main_menu(i, beside);
    }

    /* now setup the filename label widget to the right of the command menu buttons */

    FirstArg(XtNlabel, filename);
    NextArg(XtNfromHoriz, cmd_form);
    NextArg(XtNhorizDistance, -INTERNAL_BW);
    NextArg(XtNfont, bold_font);
    NextArg(XtNjustify, XtJustifyLeft);
    NextArg(XtNwidth, NAMEPANEL_WD);
    NextArg(XtNheight, CMD_BUT_HT+INTERNAL_BW);
    NextArg(XtNtop, XtChainTop);
    NextArg(XtNbottom, XtChainTop);
    NextArg(XtNborderWidth, INTERNAL_BW);
    name_panel = XtCreateManagedWidget("file_name", labelWidgetClass, tool,
				      Args, ArgCount);
#ifndef XAW3D1_5E
    /* popup balloon when mouse passes over filename */
    XtAddEventHandler(name_panel, EnterWindowMask, False,
		      filename_balloon_trigger, (XtPointer) name_panel);
    XtAddEventHandler(name_panel, LeaveWindowMask, False,
		      filename_unballoon, (XtPointer) name_panel);
#endif
    /* add actions to position the menus if the user uses an accelerator */
    refresh_view_menu();
}

void
add_cmd_actions(void)
{
    XtAppAddActions(tool_app, menu_actions, XtNumber(menu_actions));
}

static Widget
create_main_menu(int menu_num, Widget beside)
{
	register main_menu_info *menu;

	menu = &main_menus[menu_num];
	FirstArg(XtNborderWidth, INTERNAL_BW);
	NextArg(XtNfont, button_font);
	NextArg(XtNwidth, CMD_BUT_WD);
	NextArg(XtNheight, CMD_BUT_HT);
	NextArg(XtNvertDistance, 0);
	NextArg(XtNhorizDistance, -INTERNAL_BW);
	NextArg(XtNlabel, menu->label);
	NextArg(XtNfromHoriz, beside);
	NextArg(XtNmenuName, menu->menu_name);
	/* make button to popup each menu */
	menu->widget = XtCreateManagedWidget(menu->label, menuButtonWidgetClass,
					   cmd_form, Args, ArgCount);
	XtAddEventHandler(menu->widget, EnterWindowMask, False,
			  enter_cmd_but, (XtPointer) menu);

	/* now the menu itself */
	menu->menuwidget = create_menu_item(menu);
	
#ifndef XAW3D1_5E
	/* popup when mouse passes over button */
	XtAddEventHandler(menu->widget, EnterWindowMask, False,
			  cmd_balloon_trigger, (XtPointer) menu);
	XtAddEventHandler(menu->widget, LeaveWindowMask, False,
			  cmd_unballoon, (XtPointer) menu);
#endif

	return menu->widget;
}

void
rebuild_file_menu(Widget menu)
{
    static Boolean first = TRUE;
    Widget entry;
    int j;
    char id[10];

    if (menu == None) 
	menu = main_menus[0].menuwidget;

    if (first) {
	first = FALSE;
	for (j = 0; j < MAX_RECENT_FILES; j++) {
	    sprintf(id, "%1d", j + 1);
	    FirstArg(XtNvertSpace, 10);
#ifndef XAW3D1_5E
	    NextArg(XtNunderline, 0); /* underline # digit */
	    entry = XtCreateWidget(id, figSmeBSBObjectClass, menu, Args, ArgCount);
#else
	    entry = XtCreateWidget(id, smeBSBObjectClass, menu, Args, ArgCount);
#endif
	    XtAddCallback(entry, XtNcallback, load_recent_file, (XtPointer) my_strdup(id));
	    if (j < max_recent_files)
		XtManageChild(entry);
	}
    }
    for (j = 0; j < max_recent_files; j++) {
	sprintf(id, "%1d", j + 1);
	entry = XtNameToWidget(menu, id);
	if (entry != None) {
	    if (j < num_recent_files) {
		FirstArg(XtNlabel, recent_files[j].name);
		NextArg(XtNsensitive, True);
		SetValues(entry);
	    } else {
		FirstArg(XtNlabel, id);
		NextArg(XtNsensitive, False);
		SetValues(entry);
	    }
	}
    }
}

Widget
create_menu_item(main_menu_info *menup)
{
	int	i;
	Widget	menu, entry;
	DeclareArgs(5);

	FirstArg(XtNallowShellResize, True);
	menu = XtCreatePopupShell(menup->menu_name, simpleMenuWidgetClass, 
				menup->widget, Args, ArgCount);
	/* make the menu items */
	for (i = 0; menup->menu[i].name != NULL; i++) {
	    if ((intptr_t) menup->menu[i].name == -1) {
		/* put in a separator line */
		FirstArg(XtNlineWidth, 2);
		(void) XtCreateManagedWidget("line", smeLineObjectClass, 
					menu, Args, ArgCount);
		/* and add recently loaded files to the menu */
		rebuild_file_menu(menu);
	    } else if (strcmp(menup->menu[i].name, "-") == 0) {
		/* put in a separator line */
		(void) XtCreateManagedWidget("line", smeLineObjectClass, menu, NULL, 0);
	    } else {
		/* normal menu entry */
		FirstArg(XtNvertSpace, 10);
		/* leave space for the checkmark bitmap */
		if (menup->menu[i].checkmark) {
		    NextArg(XtNleftMargin, 12);
		}
#ifndef XAW3D1_5E
		NextArg(XtNunderline, menup->menu[i].u_line); /* any underline */
		entry = XtCreateManagedWidget(menup->menu[i].name, figSmeBSBObjectClass, 
					menu, Args, ArgCount);
#else
		entry = XtCreateManagedWidget(menup->menu[i].name, smeBSBObjectClass, 
					menu, Args, ArgCount);
#endif
		XtAddCallback(entry, XtNcallback, menup->menu[i].func, 
					(XtPointer) menup->widget);
	    }
	}
	return menu;
}

void
setup_main_menus(void)
{
    register int    i;
    register main_menu_info *menu;
    DeclareArgs(2);

    XDefineCursor(tool_d, XtWindow(cmd_form), arrow_cursor);

    for (i = 0; i < NUM_CMD_MENUS; ++i) {
	menu = &main_menus[i];
	FirstArg(XtNfont, button_font); /* label font */
	if ( menu->menu ) 
	    NextArg(XtNleftBitmap, menu_arrow);     /* use menu arrow for pull-down */
	SetValues(menu->widget);
    }
}

#ifndef XAW3D1_5E
/* come here when the mouse passes over a button in the command panel */

static	Widget cmd_balloon_popup = (Widget) 0;
static	XtIntervalId balloon_id = (XtIntervalId) 0;
static	Widget balloon_w;
static	XtPointer clos;

static void cmd_balloon(Widget w, XtPointer closure, XtPointer call_data);

static void
cmd_balloon_trigger(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch)
{
	if (!appres.showballoons)
		return;
	balloon_w = widget;
	clos = closure;
	/* if an old balloon is still up, destroy it */
	if ((balloon_id != 0) || (cmd_balloon_popup != (Widget) 0)) {
		cmd_unballoon((Widget) 0, (XtPointer) 0, (XEvent*) 0, (Boolean*) 0);
	}
	balloon_id = XtAppAddTimeOut(tool_app, appres.balloon_delay,
			(XtTimerCallbackProc) cmd_balloon, (XtPointer) NULL);
}

static void
cmd_balloon(Widget w, XtPointer closure, XtPointer call_data)
{
	Position  x, y;
	Dimension wid, ht;
	main_menu_info *menu= (main_menu_info *) clos;
	Widget box, balloons_label;

	/* get width and height of this button */
	FirstArg(XtNwidth, &wid);
	NextArg(XtNheight, &ht);
	GetValues(balloon_w);
	/* find middle and lower edge */
	XtTranslateCoords(balloon_w, wid/2, ht+2, &x, &y);
	/* put popup there */
	FirstArg(XtNx, x);
	NextArg(XtNy, y);
	cmd_balloon_popup = XtCreatePopupShell("cmd_balloon_popup",overrideShellWidgetClass,
				tool, Args, ArgCount);
	FirstArg(XtNborderWidth, 0);
	NextArg(XtNhSpace, 0);
	NextArg(XtNvSpace, 0);
	NextArg(XtNorientation, XtorientVertical);
	box = XtCreateManagedWidget("box", boxWidgetClass, cmd_balloon_popup, Args, ArgCount);
	
	/* put left/right mouse button labels as message */
	FirstArg(XtNborderWidth, 0);
	NextArg(XtNlabel, menu->hint);
	balloons_label = XtCreateManagedWidget("label", labelWidgetClass,
				    box, Args, ArgCount);

	XtPopup(cmd_balloon_popup,XtGrabNone);
	XtRemoveTimeOut(balloon_id);
	balloon_id = (XtIntervalId) 0;
}

/* come here when the mouse leaves a button in the command panel */

static void
cmd_unballoon(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch)
{
    if (balloon_id) {
	XtRemoveTimeOut(balloon_id);
    }
    balloon_id = (XtIntervalId) 0;
    if (cmd_balloon_popup != (Widget) 0) {
	XtDestroyWidget(cmd_balloon_popup);
	cmd_balloon_popup = (Widget) 0;
    }
}
#endif /* XAW3D1_5E */

static void
enter_cmd_but(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch)
{
    main_menu_info *menu = (main_menu_info *) closure;
    draw_mousefun(menu->hint, "", "");
}

static char	quit_msg[] = "The current figure is modified.\nDo you want to save it before quitting?";

void
quit(Widget w, XtPointer closure, XtPointer call_data)
{
    /* turn off Compose key LED */
    setCompLED(0);

    /* don't quit if in the middle of drawing/editing */
    if (check_action_on())
	return;

    XtSetSensitive(w, False);
    /* if modified (and non-empty) ask to save first */
    if (!query_save(quit_msg)) {
	XtSetSensitive(w, True);
	return;		/* cancel, do not quit */
    }
    /* if the user hasn't saved changes to the named styles confirm */
    if (style_dirty_flag)
	if (confirm_close_style() == RESULT_CANCEL) {
	    XtSetSensitive(w, True);
	    return;	/* cancel, don't quit */
	}

    goodbye(False);	/* finish up and exit */
}

void goodbye(Boolean abortflag)
{
#ifdef I18N
#ifdef I18N_USE_PREEDIT
  kill_preedit();
#endif  /* I18N_USE_PREEDIT */
#endif  /* I18N */
    /* delete the cut buffer only if it is in a temporary directory */
    if (strncmp(cut_buf_name, TMPDIR, strlen(TMPDIR)) == 0)
	unlink(cut_buf_name);

    /* delete any batch print file */
    if (batch_exists)
	unlink(batch_file);

    /* free all the GC's */
    free_GCs();
    /* free all the loaded X-Fonts*/
    free_Fonts();

    chdir(orig_dir);

    XtDestroyWidget(tool);
    /* generate a fault to cause core dump */
    if (abortflag) {
	abort();
    }
    exit(0);
}

void
paste(Widget w, XtPointer closure, XtPointer call_data)
{
	fig_settings    settings;
	int		x,y;
	struct stat	file_status;

	/* turn off Compose key LED */
	setCompLED(0);

	/* don't paste if in the middle of drawing/editing */
	if (check_action_on())
		return;

	/* turn off anypointposn so cur_pointposn is used for pasting (user may
	 * be in a mode that doesn't use the point positioning grid */
	anypointposn = 0;

	set_cursor(wait_cursor);
	turn_off_current();
	set_mousefun("place object","place at orig posn","cancel paste",
			"place object", "place at orig posn", "cancel paste");
	/* set to paste mode */
	set_action_on();
	cur_mode = F_PASTE;

	cur_c = create_compound();
	cur_c->parent = NULL;
	cur_c->GABPtr = NULL;
	cur_c->arcs = NULL;
	cur_c->compounds = NULL;
	cur_c->ellipses = NULL;
	cur_c->lines = NULL;
	cur_c->splines = NULL;
	cur_c->texts = NULL;
	cur_c->comments = NULL;
	cur_c->next = NULL;

	/* read in the cut buf file */
	if (read_figc(cut_buf_name,cur_c,MERGE,DONT_REMAP_IMAGES,0,0,&settings)==0) {  
		compound_bound(cur_c,
			     &cur_c->nwcorner.x,
			     &cur_c->nwcorner.y,
			     &cur_c->secorner.x,
			     &cur_c->secorner.y);
	  
		/* save orig coords of object */
		orig_paste_x = cur_c->nwcorner.x;
		orig_paste_y = cur_c->nwcorner.y;

		/* make it relative for mouse positioning */
		translate_compound(cur_c, -cur_c->nwcorner.x, -cur_c->nwcorner.y);
	} else {
		/* an error reading the .xfig file */
		if (stat(cut_buf_name, &file_status) == 0) {	/* file exists */
		    file_msg("Error reading %s",cut_buf_name);
		} else if (errno == ENOENT) {
		    file_msg("Cut buffer (%s) is empty",cut_buf_name);
		}
		reset_action_on();
		turn_off_current();
		set_cursor(arrow_cursor);
		free_compound(&cur_c);
		return;
	}
	/* redraw all of the pictures already on the canvas */
	canvas_ref_proc = null_proc;
	redraw_images(&objects);

	put_msg("Reading objects from \"%s\" ...Done", cut_buf_name);
	new_c=copy_compound(cur_c);
	/* add it to the depths so it is displayed */
	add_compound_depth(new_c);
	off_paste_x=new_c->secorner.x;
	off_paste_y=new_c->secorner.y;
	canvas_locmove_proc = init_move_paste_object;
	canvas_ref_proc = move_paste_object;
	canvas_leftbut_proc = place_object;
	canvas_middlebut_proc = place_object_orig_posn;
	canvas_rightbut_proc = cancel_paste;

	/* set crosshair cursor */
	set_cursor(null_cursor);

	/* get the pointer position */
	get_pointer_win_xy(&x, &y);
	/* if pasting from the command button, reset coords so object is fully on canvas */
	if (x<0)
		x = 20;
	if (y<0)
		y = 20;
	/* draw the first image */
	init_move_paste_object(BACKX(x), BACKY(y));
}

static void
cancel_paste(void)
{
    reset_action_on();
    canvas_leftbut_proc = null_proc;
    canvas_middlebut_proc = null_proc;
    canvas_rightbut_proc = null_proc;
    canvas_locmove_proc = null_proc;
    canvas_ref_proc = null_proc;
    clear_mousefun();
    set_mousefun("","","", "", "", "");
    turn_off_current();
    set_cursor(arrow_cursor);
    cur_mode = F_NULL;
    paste_draw(ERASE);
    /* remove it from the depths */
    remove_compound_depth(new_c);
}

static void
paste_draw(int paint_mode)
{
   if (paint_mode==ERASE)
	redisplay_compound(new_c);
   else
	redisplay_objects(new_c);      
}

static void
move_paste_object(int x, int y)
{
    int dx,dy;
    void  (*save_canvas_locmove_proc) ();
    void  (*save_canvas_ref_proc) ();
  
    save_canvas_locmove_proc = canvas_locmove_proc;
    save_canvas_ref_proc = canvas_ref_proc;
    /* so we don't recurse infinitely */
    canvas_locmove_proc = null_proc;
    canvas_ref_proc = null_proc;
    paste_draw(ERASE);  
    dx=x-cur_x;
    dy=y-cur_y;
    translate_compound(new_c,dx,dy);
    cur_x=x;
    cur_y=y;
    paste_draw(PAINT);
    canvas_locmove_proc = save_canvas_locmove_proc;
    canvas_ref_proc = save_canvas_ref_proc;
}

static void
init_move_paste_object(int x, int y)
{	
    cur_x=x;
    cur_y=y;
    translate_compound(new_c,x,y);
    
    paste_draw(PAINT);
    canvas_locmove_proc = move_paste_object;
    canvas_ref_proc = move_paste_object;
}

/* button 1: paste object at current position of mouse */

static void
place_object(int x, int y, unsigned int shift)
{
    clean_up();
    add_compound(new_c);
    set_modifiedflag();
    redisplay_compound(new_c);
    cancel_paste();
}

/* button 2: paste object in original location whence it came */

static void
place_object_orig_posn(int x, int y, unsigned int shift)
{
    int dx,dy;

    canvas_ref_proc = null_proc;
    paste_draw(ERASE);
    clean_up();
    /* move back to original position */
    dx = orig_paste_x-x;
    dy = orig_paste_y-y;
    translate_compound(new_c,dx,dy);
    add_compound(new_c);
    set_modifiedflag();
    redisplay_compound(new_c);
    cancel_paste();
}

void
new(Widget w, XtPointer closure, XtPointer call_data)
{
    /* turn off Compose key LED */
    setCompLED(0);

    /* don't allow if in the middle of drawing/editing */
    if (check_action_on())
	return;
    if (!emptyfigure()) {
	/* check if user wants to save figure first */
	if (query_save("The current figure is modified, do you want to save it first?")) {
	    delete_all();
	    strcpy(save_filename,cur_filename);
	} else {
	    /* cancel new */
	    return;
	}
    }
    update_cur_filename("");
    put_msg("Immediate Undo will restore the figure");
    redisplay_canvas();
}

void
delete_all_cmd(Widget w, int closure, int call_data)
{
    /* turn off Compose key LED */
    setCompLED(0);

    /* don't allow if in the middle of drawing/editing */
    if (check_action_on())
	return;
    if (emptyfigure()) {
	put_msg("Figure already empty");
	return;
    }
    delete_all();
    strcpy(save_filename,cur_filename);
    put_msg("Immediate Undo will restore the figure");
    redisplay_canvas();
}

/* Toggle canvas orientation from Portrait to Landscape or vice versa */

void
change_orient()
{
    Dimension	formw, formh;
    int		dx, dy;

    /* turn off Compose key LED */
    setCompLED(0);

    /* don't change orientation if in the middle of drawing/editing */
    if (check_action_on())
	return;

    /* don't resize anything if the user specified xfig's geometry */
    if (!geomspec) {
	/* get the current size of the canvas */
	FirstArg(XtNwidth, &formw);
	NextArg(XtNheight, &formh);
	GetValues(canvas_sw);

	if (appres.landscape) {
	    /* save current size for switching back */
	    CANVAS_WD_LAND = CANVAS_WD;
	    CANVAS_HT_LAND = CANVAS_HT;
	    dx = CANVAS_WD_PORT - formw;
	    dy = CANVAS_HT_PORT - formh;
	    TOOL_WD += dx;
	    TOOL_HT += dy;
	    XtResizeWidget(tool, TOOL_WD, TOOL_HT, 0);
	    resize_all((int) (CANVAS_WD_PORT), (int) (CANVAS_HT_PORT));
	    appres.landscape = False;
        } else {
	    /* save current size for switching back */
	    CANVAS_WD_PORT = CANVAS_WD;
	    CANVAS_HT_PORT = CANVAS_HT;
	    dx = CANVAS_WD_LAND - formw;
	    dy = CANVAS_HT_LAND - formh;
	    TOOL_WD += dx;
	    TOOL_HT += dy;
	    XtResizeWidget(tool, TOOL_WD, TOOL_HT, 0);
	    resize_all((int) (CANVAS_WD_LAND), (int) (CANVAS_HT_LAND));
	    appres.landscape = True;
	}
    } else {
	/* just toggle the flag */
	appres.landscape = !appres.landscape;
    }
    /* change the printer and export orientation labels */
    FirstArg(XtNlabel, orient_items[appres.landscape]);
    if (print_orient_panel)
	SetValues(print_orient_panel);
    if (export_orient_panel)
	SetValues(export_orient_panel);

    /* draw the new orientation of the page border */
    clear_canvas();
    redisplay_canvas();

    /* the figure has been modified */
    set_modifiedflag();
#ifdef I18N
    if (xim_ic != NULL)
      xim_set_ic_geometry(xim_ic, CANVAS_WD, CANVAS_HT);
#endif /* I18N */
}

/*
 * Popup a global settings panel with:
 *
 * Widget Type     Description
 * -----------     -----------------------------------------
 * checkbutton     mouse tracking (ruler arrows)
 * checkbutton     show page borders in red
 * checkbutton     show balloons
 *   entry           balloon delay
 * checkbutton     show lengths of lines
 * checkbutton     show point numbers above polyline points
 * int entry       max image colors
 * str entry       image editor
 * str entry       spelling checker
 * str entry       html browser
 * str entry       pdf viewer
 *
 */

typedef struct _global {
    Boolean	tracking;		/* show mouse tracking in rulers */
    Boolean	autorefresh;		/* autorefresh mode */
    Boolean	show_pageborder;	/* show page borders in red on canvas */
    Boolean	showdepthmanager;	/* show depth manager panel */
    Boolean	showballoons;		/* show popup messages */
    Boolean	showlengths;		/* length/width lines */
    Boolean	shownums;		/* print point numbers  */
    Boolean	allownegcoords;		/* allow negative x/y coordinates for panning */
    Boolean	showaxislines;		/* draw lines through 0,0 */
}	globalStruct;

globalStruct global;

void
show_global_settings(Widget w)
{
	/* turn off Compose key LED */
	setCompLED(0);

	global.tracking = appres.tracking;
	global.autorefresh = appres.autorefresh;
	global.show_pageborder = appres.show_pageborder;
	global.showdepthmanager = appres.showdepthmanager;
	global.showballoons = appres.showballoons;
	global.showlengths = appres.showlengths;
	global.shownums = appres.shownums;
	global.allownegcoords = appres.allownegcoords;
	global.showaxislines = appres.showaxislines;

	popup_global_panel(w);
}

static Widget show_bal, delay_label;

static void
popup_global_panel(Widget w)
{
	Dimension	 ht;

	if (global_popup == 0) {
	    create_global_panel(w);
	    XtPopup(global_popup, XtGrabNonexclusive);
	    (void) XSetWMProtocols(tool_d, XtWindow(global_popup), &wm_delete_window, 1);
	    XtUnmanageChild(delay_label);
	    /* make the balloon delay label as tall as the checkbutton */
	    FirstArg(XtNheight, &ht);
	    GetValues(show_bal);
	    FirstArg(XtNheight, ht);
	    SetValues(delay_label);
	    /* remanage the label */
	    XtManageChild(delay_label);
	    return;
	}
	XtPopup(global_popup, XtGrabNonexclusive);
}

void create_global_panel(Widget w)
{
	DeclareArgs(10);
	Widget	    	 beside, below, n_freehand, freehand, n_recent, recent;
	Widget		 delay_form, delay_spinner;
	Position	 xposn, yposn;
	char		 buf[80];

	XtTranslateCoords(tool, (Position) 0, (Position) 0, &xposn, &yposn);

	FirstArg(XtNtitle, "Xfig: Global Settings");
	NextArg(XtNx, xposn+50);
	NextArg(XtNy, yposn+50);
	NextArg(XtNcolormap, tool_cm);
	global_popup = XtCreatePopupShell("global_settings",
					  transientShellWidgetClass,
					  tool, Args, ArgCount);
	XtOverrideTranslations(global_popup,
			   XtParseTranslationTable(global_translations));
	XtAppAddActions(tool_app, global_actions, XtNumber(global_actions));

	global_panel = XtCreateManagedWidget("global_panel", formWidgetClass,
					     global_popup, NULL, ZERO);

	below = CreateCheckbutton("Autorefresh figure      ", "auto_refresh", 
			global_panel, NULL, NULL, MANAGE, LARGE_CHK,
			&global.autorefresh, 0,0);
	below = CreateCheckbutton("Track mouse in rulers   ", "track_mouse", 
			global_panel, NULL, NULL, MANAGE, LARGE_CHK,
			&global.tracking, 0,0);
	below = CreateCheckbutton("Show page borders       ", "page_borders", 
			global_panel, below, NULL, MANAGE, LARGE_CHK,
			&global.show_pageborder, 0,0);
	below = CreateCheckbutton("Show depth manager      ", "depth_manager", 
			global_panel, below, NULL, MANAGE, LARGE_CHK,
			&global.showdepthmanager, 0,0);
	show_bal = CreateCheckbutton("Show info balloons      ", "show_balloons", 
			global_panel, below, NULL, MANAGE, LARGE_CHK,
			&global.showballoons,0,0);

	/* put the delay label and spinner in a form to group them */
	FirstArg(XtNdefaultDistance, 1);
	NextArg(XtNfromHoriz, show_bal);
	NextArg(XtNfromVert, below);
	NextArg(XtNborderWidth, 0);
	NextArg(XtNtop, XtChainTop);
	NextArg(XtNbottom, XtChainTop);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	delay_form = XtCreateManagedWidget("bal_del_form", formWidgetClass, global_panel,
			Args, ArgCount);

	FirstArg(XtNlabel,"Delay (ms):");
	NextArg(XtNborderWidth, 0);
	NextArg(XtNtop, XtChainTop);
	NextArg(XtNbottom, XtChainTop);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	delay_label = beside = XtCreateManagedWidget("balloon_delay", labelWidgetClass, 
				delay_form, Args, ArgCount);
	sprintf(buf, "%d", appres.balloon_delay);
	delay_spinner = MakeIntSpinnerEntry(delay_form, &bal_delay, "balloon_delay", 
			NULL, beside, (XtCallbackProc) NULL, buf, 0, 100000, 1, 40);
	FirstArg(XtNtop, XtChainTop);
	NextArg(XtNbottom, XtChainTop);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	SetValues(delay_spinner);

	below = CreateCheckbutton("Show line lengths       ", "show_lengths", 
			global_panel, show_bal, NULL, MANAGE, LARGE_CHK,
			&global.showlengths, 0, 0);
	below = CreateCheckbutton("Show vertex numbers     ", "show_vertexnums", 
			global_panel, below, NULL, MANAGE, LARGE_CHK,
			&global.shownums, 0, 0);
	below = CreateCheckbutton("Allow negative coords   ", "show_vertexnums", 
			global_panel, below, NULL, MANAGE, LARGE_CHK,
			&global.allownegcoords, 0, 0);
	below = CreateCheckbutton("Draw axis lines         ", "showaxislines", 
			global_panel, below, NULL, MANAGE, LARGE_CHK,
			&global.showaxislines, 0, 0);

	FirstArg(XtNlabel, "Freehand drawing resolution");
	NextArg(XtNfromVert, below);
	NextArg(XtNborderWidth, 0);
	NextArg(XtNtop, XtChainTop);
	NextArg(XtNbottom, XtChainTop);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	freehand = XtCreateManagedWidget("freehand_resolution", labelWidgetClass,
					global_panel, Args, ArgCount);
	sprintf(buf,"%d",appres.freehand_resolution);
	n_freehand = MakeIntSpinnerEntry(global_panel, &n_freehand_resolution, "freehand_res", 
			below, freehand, (XtCallbackProc) NULL, buf, 0, 100000, 10, 26);
	below = freehand;

	FirstArg(XtNlabel, "Recently used files        ");
	NextArg(XtNfromVert, below);
	NextArg(XtNborderWidth, 0);
	NextArg(XtNtop, XtChainTop);
	NextArg(XtNbottom, XtChainTop);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	recent = XtCreateManagedWidget("recent_file_entries", labelWidgetClass,
					global_panel, Args, ArgCount);
	sprintf(buf,"%d",max_recent_files);
	n_recent = MakeIntSpinnerEntry(global_panel, &n_recent_files, "max_recent_files", 
			below, recent, (XtCallbackProc) NULL, buf, 0, MAX_RECENT_FILES, 1, 26);
	below = recent;

	sprintf(buf,"%d",appres.max_image_colors);
	below = CreateLabelledAscii(&max_colors, "Maximum image colors       ", "max_image_colors",
			global_panel, below, buf, 40);
	below = CreateLabelledAscii(&image_ed, "Image editor ", "image_editor",
			global_panel, below, cur_image_editor, 340);
	below = CreateLabelledAscii(&spell_chk, "Spell checker", "spell_check",
			global_panel, below, cur_spellchk, 340);
	below = CreateLabelledAscii(&browser, "HTML Browser ", "html_browser",
			global_panel, below, cur_browser, 340);
	below = CreateLabelledAscii(&pdfview, "PDF Viewer   ", "pdf_viewer",
			global_panel, below, cur_pdfviewer, 340);

	FirstArg(XtNlabel, "Cancel");
	NextArg(XtNfromVert, below);
	NextArg(XtNvertDistance, 15);
	NextArg(XtNheight, 25);
	NextArg(XtNborderWidth, INTERNAL_BW);
	NextArg(XtNtop, XtChainBottom);
	NextArg(XtNbottom, XtChainBottom);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	beside = XtCreateManagedWidget("cancel", commandWidgetClass,
					   global_panel, Args, ArgCount);
	XtAddEventHandler(beside, ButtonReleaseMask, False,
			  (XtEventHandler) global_panel_cancel, (XtPointer) NULL);

	FirstArg(XtNlabel, "  Ok  ");
	NextArg(XtNfromVert, below);
	NextArg(XtNvertDistance, 15);
	NextArg(XtNfromHoriz, beside);
	NextArg(XtNheight, 25);
	NextArg(XtNborderWidth, INTERNAL_BW);
	NextArg(XtNtop, XtChainBottom);
	NextArg(XtNbottom, XtChainBottom);
	NextArg(XtNleft, XtChainLeft);
	NextArg(XtNright, XtChainLeft);
	below = XtCreateManagedWidget("global_ok", commandWidgetClass,
					   global_panel, Args, ArgCount);
	XtAddEventHandler(below, ButtonReleaseMask, False,
			  (XtEventHandler) global_panel_done, (XtPointer) NULL);

	/* install accelerators for the following functions */
	XtInstallAccelerators(global_panel, below);

}

/* make a label and asciiText widget to its right */

Widget
CreateLabelledAscii(Widget *text_widg, char *label, char *widg_name, Widget parent, Widget below, char *str, int width)
{
    DeclareArgs(10);
    Widget	 lab_widg;

    FirstArg(XtNlabel, label);
    NextArg(XtNfromVert, below);
    NextArg(XtNjustify, XtJustifyLeft);
    NextArg(XtNborderWidth, 0);
    NextArg(XtNtop, XtChainTop);
    NextArg(XtNbottom, XtChainTop);
    NextArg(XtNleft, XtChainLeft);
    NextArg(XtNright, XtChainLeft);
    lab_widg = XtCreateManagedWidget("label", labelWidgetClass,
					parent, Args, ArgCount);

    FirstArg(XtNstring, str);
    NextArg(XtNinsertPosition, strlen(str));
    NextArg(XtNeditType, XawtextEdit);
    NextArg(XtNfromVert, below);
    NextArg(XtNfromHoriz, lab_widg);
    NextArg(XtNwidth, width);
    NextArg(XtNtop, XtChainTop);
    NextArg(XtNbottom, XtChainTop);
    NextArg(XtNleft, XtChainLeft);
    NextArg(XtNright, XtChainLeft);
    *text_widg = XtCreateManagedWidget(widg_name, asciiTextWidgetClass,
					parent, Args, ArgCount);
    /* install "standard" translations */
    XtOverrideTranslations(*text_widg,
			   XtParseTranslationTable(text_translations));
    return lab_widg;
}

static void
global_panel_done(Widget w, XButtonEvent *ev)
{
	Boolean	    asp, gsp, adz, gdz;
	int	    temp;
	char	    buf[80];

	/* copy all new values back to masters */
	appres.tracking = global.tracking;
	if (appres.autorefresh && !global.autorefresh)
	    cancel_autorefresh();
	else if (!appres.autorefresh && global.autorefresh)
	    set_autorefresh();
	appres.autorefresh = global.autorefresh;
	asp = appres.show_pageborder;
	gsp = global.show_pageborder;
	adz = appres.showaxislines;
	gdz = global.showaxislines;
	/* update settings */
	appres.show_pageborder = gsp;
	appres.showaxislines = gdz;

	/* if show_pageborder or showaxislines WAS on and is now off, redraw */
	if ((asp && !gsp) || (adz && !gdz)) {
	    /* was on, turn off */
	    clear_canvas();
	    redisplay_canvas();		
	} else if ((!asp && gsp) || (!adz && gdz)) {
	    /* if show_pageborder or showaxislines WAS off and is now on, draw them */
	    /* was off, turn on */
	    redisplay_pageborder();
	}
	/* see if user toggled the depth manager setting */
	if (appres.showdepthmanager != global.showdepthmanager)
	    toggle_show_depths();
	appres.showdepthmanager = global.showdepthmanager;
	appres.showballoons = global.showballoons;
	temp = atoi(panel_get_value(bal_delay));
	if (temp < 0) {
	    temp = 0;
	    panel_set_int(bal_delay, temp);
	}
	appres.balloon_delay = temp;
	appres.showlengths = global.showlengths;
	appres.shownums = global.shownums;
	appres.allownegcoords = global.allownegcoords;
	appres.showaxislines = global.showaxislines;
	/* go to 0,0 if user turned off neg coords and we're in the negative */
	if (!appres.allownegcoords)
	    if (zoomxoff < 0 || zoomyoff < 0)
		pan_origin();

	/* get the freehand resolution spinner value */
	temp = atoi(panel_get_value(n_freehand_resolution));
	if (temp < 0) {
	    temp = 0;
	    panel_set_int(n_freehand_resolution, temp);
	}
	appres.freehand_resolution = temp;

	/* get the number of recent files spinner value */
	temp = atoi(panel_get_value(n_recent_files));
	if (temp > MAX_RECENT_FILES)
	    temp = MAX_RECENT_FILES;
	else if (temp < 0)
	    temp = 0;
	panel_set_int(n_recent_files, temp);
	/* if number of recent files has changed, update it in the .xfigrc file */
	if (max_recent_files != temp) {
	    Widget menu, entry;
	    int i;
	    char id[10];

	    menu = main_menus[0].menuwidget;
	    max_recent_files = temp;
	    num_recent_files = min2(num_recent_files, max_recent_files);
	    sprintf(buf,"%d",max_recent_files);
	    update_xfigrc("max_recent_files", buf);
	    for (i=0; i<MAX_RECENT_FILES; i++) {
		sprintf(id, "%1d", i + 1);
		entry = XtNameToWidget(menu, id);
		if (i < max_recent_files) {
		    XtManageChild(entry);
		    /* if new entries created, clear them */
		    if (i >= num_recent_files) {
			FirstArg(XtNlabel, id);
			NextArg(XtNsensitive, False);
			SetValues(entry);
		    }
		} else {
		    XtUnmanageChild(entry);
		}
	    }
	    /* remanage menu so it resizes */
	    XtUnmanageChild(main_menus[0].widget);
	    XtManageChild(main_menus[0].widget);
	}
	temp = atoi(panel_get_value(max_colors));
	if (temp <= 0) {
	    temp = 10;
	    panel_set_int(max_colors, temp);
	}
	appres.max_image_colors = temp;
	strcpy(cur_image_editor, panel_get_value(image_ed));
	strcpy(cur_spellchk, panel_get_value(spell_chk));
	strcpy(cur_browser, panel_get_value(browser));
	strcpy(cur_pdfviewer, panel_get_value(pdfview));

	XtPopdown(global_popup);

	refresh_view_menu();
}

static void
global_panel_cancel(Widget w, XButtonEvent *ev)
{
	XtDestroyWidget(global_popup);
	global_popup = (Widget) 0;
}

#ifndef XAW3D1_5E
/* come here when the mouse passes over the filename window */

static	Widget filename_balloon_popup = (Widget) 0;

static	XtIntervalId fballoon_id = (XtIntervalId) 0;
static	Widget fballoon_w;

static void file_balloon(void);

static void
filename_balloon_trigger(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch)
{
	if (!appres.showballoons)
		return;
	fballoon_w = widget;
	fballoon_id = XtAppAddTimeOut(tool_app, appres.balloon_delay,
			(XtTimerCallbackProc) file_balloon, (XtPointer) NULL);
}

static void
file_balloon(void)
{
	Position  x, y;
	Dimension w, h;
	Widget box, balloons_label;

	/* get width and height of this window */
	FirstArg(XtNwidth, &w);
	NextArg(XtNheight, &h);
	GetValues(fballoon_w);
	/* find center and lower edge */
	XtTranslateCoords(fballoon_w, w/2, h+2, &x, &y);

	/* put popup there */
	FirstArg(XtNx, x);
	NextArg(XtNy, y);
	filename_balloon_popup = XtCreatePopupShell("filename_balloon_popup",
				overrideShellWidgetClass, tool, Args, ArgCount);
	FirstArg(XtNborderWidth, 0);
	NextArg(XtNhSpace, 0);
	NextArg(XtNvSpace, 0);
	box = XtCreateManagedWidget("box", boxWidgetClass, 
				filename_balloon_popup, Args, ArgCount);
	FirstArg(XtNborderWidth, 0);
	NextArg(XtNlabel, "Current filename");
	balloons_label = XtCreateManagedWidget("label", labelWidgetClass,
				box, Args, ArgCount);
	XtPopup(filename_balloon_popup,XtGrabNone);
}

/* come here when the mouse leaves the filename window */

static void
filename_unballoon(Widget widget, XtPointer closure, XEvent *event, Boolean *continue_to_dispatch)
{
    if (fballoon_id) 
	XtRemoveTimeOut(fballoon_id);
    fballoon_id = (XtIntervalId) 0;
    if (filename_balloon_popup != (Widget) 0) {
	XtDestroyWidget(filename_balloon_popup);
	filename_balloon_popup = (Widget) 0;
    }
}
#endif /* XAW3D1_5E */

/*
 * Update the current filename in the name_panel widget, and the xfig icon.
 * Also update the current filename in the File popup (if it has been created).
 */

void update_cur_filename(char *newname)
{
        if (cur_filename!=newname) strcpy(cur_filename,newname);
	/* store the new filename in the name_panel widget */
	FirstArg(XtNlabel, newname);
	SetValues(name_panel);
	if (cfile_text)			/* if the name widget in the file popup exists... */
	    SetValues(cfile_text);

	/* put the filename being edited in the icon */
	XSetIconName(tool_d, tool_w, xf_basename(cur_filename));

	update_def_filename();		/* update default filename in export panel */
	update_wm_title(cur_filename);	/* and window title bar */
}

static void
popup_menu(Widget w, XEvent *event, String *params, Cardinal *nparams)
{
    int		which;

    which = locate_menu(params, nparams);
    if (which < 0)
	return;
    XtPopupSpringLoaded(main_menus[which].menuwidget);
}

static void
place_menu(Widget w, XEvent *event, String *params, Cardinal *nparams)
{
    Position	x, y;
    Dimension	height;
    int		which;

    which = locate_menu(params, nparams);
    if (which < 0)
	return;
    /* get the height of the menu button on the command panel */
    FirstArg(XtNheight, &height);
    GetValues(main_menus[which].widget);
    XtTranslateCoords(main_menus[which].widget, (Position) 0, height+4, &x, &y);
    /* position the popup menu just under the button */
    FirstArg(XtNx, x);
    NextArg(XtNy, y);
    SetValues(main_menus[which].menuwidget);
}

int
locate_menu(String *params, Cardinal *nparams)
{
    int		which;

    if (*nparams < 1)
	return -1;

    /* find which menu the user wants */
    for (which=0; which<NUM_CMD_MENUS; which++)
	if (strcmp(params[0],main_menus[which].menu_name)==0)
	    break;
    if (which >= NUM_CMD_MENUS)
	return -1;
    return which;
}

/* callback to load a recently used file (from the File menu) */

static void
load_recent_file(Widget w, XtPointer client_data, XtPointer call_data)
{
    int		 which = atoi((char *) client_data);
    char	*filename;
    char	 dir[PATH_MAX], *c;

    filename = recent_files[which-1].name+2;	/* point past number, space */
    /* if file panel is open, popdown it */
    if (file_up)
	file_panel_dismiss();

    /* check if modified, unsaved figure on canvas */
    if (!query_save(quit_msg))
	return;
    /* go to the directory where the figure is in case it has imported pictures */
    strcpy(dir,filename);
    if (c=strrchr(dir,'/')) {
	*c = '\0';			/* terminate dir at last '/' */
	change_directory(dir);
	strcpy(cur_file_dir, dir);	/* update current directory */
	strcpy(cur_export_dir, dir);	/* and export current directory */
    }
    /* load the file */
    (void) load_file(filename, 0, 0);
}

/* this one is called by the accelerator (File) 1/2/3... */

void
acc_load_recent_file(Widget w, XEvent *event, String *params, Cardinal *nparams)
{
    /* get file number from passed arg */
    int		which = atoi(*params);

    /* turn off Compose key LED */
    setCompLED(0);

    /* see if that file exists in the list */
    if (which > num_recent_files)
	return;

    /* now load by calling the callback */
    load_recent_file(w, (XtPointer) *params, (XtPointer) NULL);
}

static Widget charmap_font_label;

/* refresh character map (e.g. when user changes font) by changing the font label and font in the buttons */

void
refresh_character_panel(void)
{
	int	     nchildren, i;
	char	     fname[80];
	XFontStruct *font;
	WidgetList   children;

	if (!character_map_popup)
	    return;
	sprintf(fname, "%s font characters:", 
			using_ps? ps_fontinfo[work_font+1].name: latex_fontinfo[work_font+1].name);
	/* change font name label */
	FirstArg(XtNlabel, fname);
	SetValues(charmap_font_label);

	/* get the buttons (children) of the form */
	FirstArg(XtNnumChildren, &nchildren);
	NextArg(XtNchildren, &children);
	GetValues(character_map_panel);
	/* get the current font */
	font = lookfont(work_font, 12);
	FirstArg(XtNfont, font);
	/* loop over all but the last button, which is the close button */
	for (i=0; i<nchildren-1; i++) {
	   if (XtClass(*children) == commandWidgetClass)
		SetValues(*children);
	   children++;
	}
}

static void
character_panel_close(void)
{
	XtDestroyWidget(character_map_popup);	
	character_map_popup = (Widget) 0;
}

/*
 * popup a window showing the symbol character map, each char in a 
 * different button widget so the user paste directly into text
 * Activated from the View/Character Map menu
 */

#define LASTCHAR 255

void
popup_character_map(void)
{
	Widget	    	 beside, below;
	XFontStruct	*font;
	intptr_t	 i;
	int		 vertDist;
	char		 fname[80], chr[2];
	static Boolean	 actions_added=False;

	/* only allow one copy */
	if (character_map_popup)
	    return;

	FirstArg(XtNtitle, "Xfig: Character Map");
	NextArg(XtNcolormap, tool_cm);
	character_map_popup = XtCreatePopupShell("character_map_popup",
					  transientShellWidgetClass,
					  tool, Args, ArgCount);
	XtOverrideTranslations(character_map_popup,
			   XtParseTranslationTable(charmap_translations));
	if (!actions_added) {
	    XtAppAddActions(tool_app, charmap_actions, XtNumber(charmap_actions));
	    actions_added = True;
	}

	character_map_panel = XtCreateManagedWidget("character_map_panel", formWidgetClass,
					     character_map_popup, NULL, ZERO);

	sprintf(fname, "%s font characters:", 
			using_ps? ps_fontinfo[work_font+1].name: latex_fontinfo[work_font+1].name);
	FirstArg(XtNlabel, fname);
	NextArg(XtNborderWidth, 0);
	charmap_font_label = below = XtCreateManagedWidget("charmap_font_label", labelWidgetClass,
					 character_map_panel, Args, ArgCount);
	/* get the font */
	font = lookfont(work_font, 12);
	beside = (Widget) 0;
	vertDist = 3;
	chr[1] = '\0';
	for (i=32; i<=LASTCHAR; i++) {
	    chr[0] = (char) i;
	    FirstArg(XtNlabel, chr);
	    NextArg(XtNfont, font);
	    NextArg(XtNwidth, 20);
	    NextArg(XtNheight, 20);
	    NextArg(XtNfromVert, below);
	    NextArg(XtNvertDistance, vertDist);
	    NextArg(XtNfromHoriz, beside);
	    beside = XtCreateManagedWidget("char_button", commandWidgetClass,
					     character_map_panel, Args, ArgCount);
	    /* add callback to paste character into current text */
	    XtAddCallback(beside, XtNcallback, paste_char, (XtPointer) i);
	    /* skip empty entries and 127 (delete) */
	    if (i==126) {
		below = beside;
		beside = (Widget) 0;
		i += 33;
		/* and make a gap */
		vertDist = 10;
	    } else if ((i+1)%16 == 0 && i != LASTCHAR) {
		below = beside;
		beside = (Widget) 0;
		vertDist = 3;
	    }
	}
	/* close button */
	FirstArg(XtNlabel, "Close");
	NextArg(XtNfromVert, beside);
	NextArg(XtNvertDistance, 15);
	NextArg(XtNheight, 25);
	NextArg(XtNborderWidth, INTERNAL_BW);
	close_but = XtCreateManagedWidget("close", commandWidgetClass,
					   character_map_panel, Args, ArgCount);
	XtAddEventHandler(close_but, ButtonReleaseMask, False,
			  (XtEventHandler) character_panel_close, (XtPointer) NULL);
	XtPopup(character_map_popup, XtGrabNone);
	(void) XSetWMProtocols(tool_d, XtWindow(character_map_popup), &wm_delete_window, 1);
}

static void
paste_char(Widget w, XtPointer client_data, XtPointer call_data)
{
    unsigned char chr = (unsigned char) client_data;

    /* only allow during text input */
    if (canvas_kbd_proc != (void (*)())char_handler)
	return;
    char_handler((XKeyEvent *) 0, chr, (KeySym) 0);
}

/* add or remove a checkmark to a menu entry to show that it
   is selected or unselected respectively */

static void
refresh_view_menu_item(char *name, Boolean state)
{
    Widget	 menu, w;
    Pixmap	 bitmap;
    DeclareStaticArgs(10);

    menu = XtNameToWidget(tool, "*viewmenu");
    if (menu == NULL) {
	fprintf(stderr, "xfig: refresh_view_menu: can't find *viewmenu\n");
    } else {
	w = XtNameToWidget(menu, name);
	if (w == NULL) {
	    fprintf(stderr, "xfig: can't find \"viewmenu%s\"\n", name);
	} else {
	    if (state) {
		if (menu_item_bitmap == None)
		    menu_item_bitmap = XCreateBitmapFromData(XtDisplay(menu),
				RootWindowOfScreen(XtScreen(menu)),
				(char *)menu_item_bitmap_bits,
				menu_item_bitmap_width,
				menu_item_bitmap_height);
		bitmap = menu_item_bitmap;
	    } else {
		bitmap = None;
	    }
	    FirstArg(XtNleftBitmap, bitmap);
	    SetValues(w);
	}
    }
}

/* update the menu entries with or without an asterisk */

void
refresh_view_menu(void)
{
#ifdef XAW3D1_5E
    int i;
    register main_menu_info *menu;
#endif /* XAW3D1_5E */
    /* turn off Compose key LED */
    setCompLED(0);

    refresh_view_menu_item(PAGE_BRD_MSG, appres.show_pageborder);
    refresh_view_menu_item(DPTH_MGR_MSG, appres.showdepthmanager);
    refresh_view_menu_item(INFO_BAL_MSG, appres.showballoons);
    refresh_view_menu_item(LINE_LEN_MSG, appres.showlengths);
    refresh_view_menu_item(VRTX_NUM_MSG, appres.shownums);
    refresh_view_menu_item(AUTO_RFS_MSG, appres.autorefresh);

#ifdef XAW3D1_5E
    if (appres.showballoons) {
	XawTipEnable(name_panel, "Current filename");
	for (i = 0; i < NUM_CMD_MENUS; ++i) {
	    menu = &main_menus[i];
	    XawTipEnable(menu->widget, menu->hint);
	}
    } else {
	XawTipDisable(name_panel);
	for (i = 0; i < NUM_CMD_MENUS; ++i) {
	    menu = &main_menus[i];
	    XawTipDisable(menu->widget);
	}
    }
    update_indpanel(cur_indmask);
    update_modepanel();
    update_layerpanel();
    update_mousepanel();
    update_rulerpanel();
#endif /* XAW3D1_5E */
}
