/*

    z80 - Z80 Emulation

    Copyright (C) 2006  Ian Cowburn (ianc@noddybox.demon.co.uk)

    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

    -------------------------------------------------------------------------

    Simple dialogs

    $Id$

*/

/* ---------------------------------------- INCLUDES
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>

#include "gtkutil.h"


/* ---------------------------------------- CONSTS
*/

/* ---------------------------------------- GLOBALS
*/
static GtkWidget	*parent;
static GtkWidget	*dialog;

static int		dial_done=FALSE;
static int		selected=FALSE;

static char		saved_path[PATH_MAX+1];


/* ---------------------------------------- PRIVATE FUNCTIONS
*/
static void Callback(GtkWidget *w, gpointer data)
{
    dial_done=TRUE;
    selected=(int)data;
    gtk_widget_destroy(dialog);
}


static gint DestroyCB(GtkWidget *w, GdkEvent *ev, gpointer data)
{
    Callback(w,data);
    return TRUE;
}


static gint NoDestroyCB(GtkWidget *w, GdkEvent *ev, gpointer data)
{
    dial_done=TRUE;
    selected=(int)data;
    return TRUE;
}


static void FselCallback(GtkWidget *w, gpointer data)
{
    dial_done=TRUE;
    selected=(int)data;

    if (selected)
    	strcpy(saved_path,
	       gtk_file_selection_get_filename(GTK_FILE_SELECTION(dialog)));
}


/* ---------------------------------------- EXPORTED FUNCTIONS
*/
void DialogParent(GtkWidget *w)
{
    parent=w;
}


void DialogOK(const char *format, ...)
{
    va_list va;
    char text[1024];
    GtkWidget *button;
    GtkWidget *label;

    va_start(va,format);
    vsnprintf(text,sizeof text,format,va);
    va_end(va);

    dialog=gtk_dialog_new();
    gtk_window_set_title (GTK_WINDOW (dialog), "GEMMA -- Alert");
    button=gtk_button_new_with_label("OK");
    label=gtk_label_new(text);

    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area),
		       button,TRUE,TRUE,0);

    gtk_container_set_border_width(GTK_CONTAINER(dialog),10);

    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
		       label,TRUE,TRUE,0);

    gtk_signal_connect_object(GTK_OBJECT (button),"clicked",
			      GTK_SIGNAL_FUNC (gtk_widget_destroy),
			      GTK_OBJECT (dialog));

    gtk_window_set_transient_for(GTK_WINDOW(dialog),GTK_WINDOW(parent));
    gtk_window_set_modal(GTK_WINDOW(dialog),TRUE);
    gtk_window_set_position(GTK_WINDOW(dialog),GTK_WIN_POS_CENTER_ON_PARENT);

    gtk_widget_show(button);
    gtk_widget_show(label);
    gtk_widget_show(dialog);
}


int DialogYesNo(const char *format, ...)
{
    va_list va;
    char text[1024];
    GtkWidget *yes;
    GtkWidget *no;
    GtkWidget *label;

    va_start(va,format);
    vsnprintf(text,sizeof text,format,va);
    va_end(va);

    dialog=gtk_dialog_new();
    gtk_window_set_title (GTK_WINDOW (dialog), "GEMMA -- Question");
    yes=gtk_button_new_with_label("Yes");
    no=gtk_button_new_with_label("No");
    label=gtk_label_new(text);

    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area),
		       yes,TRUE,TRUE,0);

    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area),
		       no,TRUE,TRUE,0);

    gtk_container_set_border_width(GTK_CONTAINER(dialog),10);

    gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
		       label,TRUE,TRUE,0);

    gtk_signal_connect(GTK_OBJECT (yes),"clicked",
		       GTK_SIGNAL_FUNC (Callback),
		       (gpointer)1);

    gtk_signal_connect(GTK_OBJECT (no),"clicked",
		       GTK_SIGNAL_FUNC (Callback),
		       (gpointer)0);

    gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
		       GTK_SIGNAL_FUNC(DestroyCB), (gpointer)0);

    gtk_window_set_transient_for(GTK_WINDOW(dialog),GTK_WINDOW(parent));
    gtk_window_set_modal(GTK_WINDOW(dialog),TRUE);
    gtk_window_set_position(GTK_WINDOW(dialog),GTK_WIN_POS_CENTER_ON_PARENT);
    /* gtk_object_set(GTK_OBJECT(dialog),"type",GTK_WINDOW_POPUP,NULL); */

    gtk_widget_show(yes);
    gtk_widget_show(no);
    gtk_widget_show(label);
    gtk_widget_show(dialog);

    dial_done=FALSE;

    while(!dial_done)
    	gtk_main_iteration();

    return selected;
}


int DialogFSelect(const char *title, char path[])
{
    dialog=gtk_file_selection_new(title);

    if (path[0])
	gtk_file_selection_set_filename(GTK_FILE_SELECTION(dialog),path);

    gtk_signal_connect(GTK_OBJECT (GTK_FILE_SELECTION(dialog)->ok_button),
		       "clicked",
		       GTK_SIGNAL_FUNC (FselCallback),
		       (gpointer)1);

    gtk_signal_connect(GTK_OBJECT (GTK_FILE_SELECTION(dialog)->cancel_button),
		       "clicked",
		       GTK_SIGNAL_FUNC (FselCallback),
		       (gpointer)0);

    gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
		       GTK_SIGNAL_FUNC(NoDestroyCB), (gpointer)0);

    gtk_window_set_transient_for(GTK_WINDOW(dialog),GTK_WINDOW(parent));
    gtk_window_set_modal(GTK_WINDOW(dialog),TRUE);
    gtk_window_set_position(GTK_WINDOW(dialog),GTK_WIN_POS_CENTER_ON_PARENT);

    gtk_widget_show(dialog);

    dial_done=FALSE;

    while(!dial_done)
    	gtk_main_iteration();

    if (selected)
    	strcpy(path,saved_path);

    gtk_widget_destroy(dialog);

    return selected;
}


void AppendText(GtkWidget *w, const char *text)
{
    GtkTextBuffer *buff;
    GtkTextIter end;

    buff=gtk_text_view_get_buffer(GTK_TEXT_VIEW(w));
    gtk_text_buffer_get_end_iter(buff,&end);
    gtk_text_buffer_insert(buff,&end,text,-1);
}


/* END OF FILE */