confirmer.c

Gcomm is a serial communications program similar to seyon, but more modern, and easier to use. Works

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

#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>

#include "support.h"	/* Language support */

extern	GtkTooltips	*tooltips ;

#ifndef	_
#define	_(s)	(s)
#endif

static	void	answer(GtkWidget *w, gpointer rval) ;



	/* Create an OK/Cancel confirmer.  "Message" is the initial
	 * value for the confirmer's text message.  "Parent" is the
	 * window for which this confirmer is transient -- may be
	 * specified as NULL.
	 *
	 * The returned widget will have the following properties set:
	 *	label		label widget containing message
	 *	okButton	"OK" button widget
	 *	cancelButton	"Cancel" button widget
	 *	result		True or False, depending on button pressed.
	 */

GtkWidget*
create_confirmer (char *message, GtkWidget *parent)
{
  GtkWidget *confirmer;
  GtkWidget *okBut;
  GtkWidget *cancelBut;
  GtkAccelGroup *accel_group;
  GtkWidget *lbl ;
  GtkBox *vbox, *actionArea ;

  accel_group = gtk_accel_group_new ();

  confirmer = gtk_dialog_new() ;
  gtk_signal_connect( GTK_OBJECT(confirmer), "delete_event",
    GTK_SIGNAL_FUNC(gtk_widget_hide_on_delete), NULL) ;

  if( parent != NULL )
    gtk_window_set_transient_for(GTK_WINDOW(confirmer), GTK_WINDOW(parent)) ;

  gtk_container_set_border_width( GTK_CONTAINER(confirmer), 4) ;
  GTK_WINDOW (confirmer)->type = GTK_WINDOW_DIALOG;
  gtk_window_set_position (GTK_WINDOW (confirmer), GTK_WIN_POS_MOUSE);
#ifdef	COMMENT
  gtk_window_set_modal (GTK_WINDOW (confirmer), TRUE);
#endif	/* COMMENT */
  gtk_window_set_policy (GTK_WINDOW (confirmer), FALSE, FALSE, TRUE);

  vbox = GTK_BOX(GTK_DIALOG(confirmer)->vbox) ;
  actionArea = GTK_BOX(GTK_DIALOG(confirmer)->action_area) ;


  lbl = gtk_label_new(_(message)) ;
  gtk_box_pack_start(vbox, lbl, FALSE, FALSE, 0) ;
  gtk_widget_show( lbl ) ;
  /* Cache the label so we can find it later */
  gtk_object_set_data (GTK_OBJECT (confirmer), "label", lbl);


  okBut = gtk_button_new_with_label(_("OK")) ;
  gtk_box_pack_start(actionArea, okBut, FALSE, FALSE, 2) ;
  gtk_tooltips_set_tip(tooltips, okBut,
  	_("Really quit, connection may be broken"), NULL) ;
  GTK_WIDGET_SET_FLAGS (okBut, GTK_CAN_DEFAULT | GTK_HAS_DEFAULT);
  gtk_widget_add_accelerator (okBut, "clicked", accel_group,
                              GDK_Return, 0, GTK_ACCEL_VISIBLE);
  gtk_widget_show( okBut ) ;
  gtk_object_set_data (GTK_OBJECT (confirmer), "okButton", okBut);
  gtk_object_set_data (GTK_OBJECT (okBut), "confirmer", confirmer);

  cancelBut = gtk_button_new_with_label(_("Cancel")) ;
  gtk_box_pack_start(actionArea, cancelBut, FALSE, FALSE, 2) ;
  gtk_tooltips_set_tip(tooltips, cancelBut, _("Don't quit"), NULL) ;
  GTK_WIDGET_SET_FLAGS (cancelBut, GTK_CAN_DEFAULT);
  gtk_widget_add_accelerator (cancelBut, "clicked", accel_group,
                              GDK_Escape, 0, GTK_ACCEL_VISIBLE);
  gtk_widget_show( cancelBut ) ;
  gtk_object_set_data (GTK_OBJECT (confirmer), "cancelButton", cancelBut);
  gtk_object_set_data (GTK_OBJECT (cancelBut), "confirmer", confirmer);

  gtk_signal_connect( GTK_OBJECT(okBut), "clicked", answer, (gpointer) TRUE) ;
  gtk_signal_connect( GTK_OBJECT(cancelBut), "clicked",
  	answer, (gpointer) FALSE) ;


#ifdef	COMMENT
  gtk_widget_grab_default (okBut);
#endif	/* COMMENT */
  gtk_window_add_accel_group (GTK_WINDOW (confirmer), accel_group);

  return confirmer;
}




	/* Display confirmer widget, wait for user to accept, cancel,
	 * or dismiss the confirmer from the window manager.
	 */

gboolean
get_confirmation(GtkWidget *confirmer, gboolean dflt)
{
	gint	id ;
	GtkObject *co = GTK_OBJECT(confirmer) ;

	gtk_object_set_data(co, "result", (gpointer)dflt) ;
	gtk_object_set_data(co, "wantQuit", (gpointer)TRUE) ;

	id = gtk_signal_connect( co, "delete_event",
	  GTK_SIGNAL_FUNC(gtk_main_quit), NULL) ;

	gtk_widget_show(confirmer) ;
	gtk_main() ;

	gtk_signal_disconnect( co, id ) ;
	gtk_object_set_data(co, "wantQuit", (gpointer)FALSE) ;

	return (gboolean) gtk_object_get_data(co, "result");
}




	/* Internal; find the confirmer that owns this widget, set
	 * its "result" property.  Hide the confirmer window.
	 */

static	void
answer(GtkWidget *w, gpointer rval)
{
	GtkWidget	*confirmer ;

	confirmer = gtk_object_get_data( GTK_OBJECT(w), "confirmer") ;

	gtk_object_set_data(GTK_OBJECT(confirmer), "result", rval) ;
	gtk_widget_hide(confirmer) ;

	if( (gboolean)gtk_object_get_data( GTK_OBJECT(confirmer), "wantQuit") )
	  gtk_main_quit() ;
}