/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-

   prompt.h for the Openbox window manager
   Copyright (c) 2008        Dana Jansens

   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.

   See the COPYING file for a copy of the GNU General Public License.
*/

#ifndef ob__prompt_h
#define ob__prompt_h

#include "window.h"
#include "geom.h"
#include "render/render.h"
#include <glib.h>
#include <X11/Xlib.h>

typedef struct _ObPrompt       ObPrompt;
typedef struct _ObPromptElement ObPromptElement;
typedef struct _ObPromptAnswer ObPromptAnswer;

typedef void (*ObPromptCallback)(ObPrompt *p, gint result, gpointer data);

struct _ObPromptElement {
    gchar *text;
    Window window;

    gint x, y, width, height;
    gboolean pressed;
    gint result;
};

struct _ObPrompt
{
    InternalWindow super;
    gint ref;

    guint event_mask;

    /* keep a copy of this because we re-render things that may need it
       (i.e. the buttons) */
    RrAppearance *a_bg;

    gboolean mapped;
    gint width, height;
    gint msg_wbound;

    ObPromptElement msg;

    /* one for each answer */
    ObPromptElement *button;
    gint n_buttons;

    /* points to the button with the focus */
    ObPromptElement *focus;
    /* the default button to have selected */
    gint default_result;
    /* the cancel result if the dialog is closed */
    gint cancel_result;

    ObPromptCallback func;
    gpointer data;
};

struct _ObPromptAnswer {
    const gchar *text;
    gint result;
};

void prompt_startup(gboolean reconfig);
void prompt_shutdown(gboolean reconfig);

/*! Create a new prompt
  @param answers A number of ObPromptAnswers which define the buttons which
                 will appear in the dialog from left to right, and the result
                 returned when they are selected.
  @param n_answers The number of answers
  @param default_result The result for the answer button selected by default
  @param cancel_result The result that is given if the dialog is closed instead
         of having a button presssed
  @param func The callback function which is called when the dialog is closed
         or a button is pressed
  @param data User defined data which will be passed to the callback
*/
ObPrompt* prompt_new(const gchar *msg,
                     const ObPromptAnswer *answers, gint n_answers,
                     gint default_result, gint cancel_result,
                     ObPromptCallback func, gpointer data);
void prompt_ref(ObPrompt *self);
void prompt_unref(ObPrompt *self);

/*! Show the prompt.  It will be centered within the given area rectangle */
void prompt_show(ObPrompt *self, struct _ObClient *parent, gboolean modal);
void prompt_hide(ObPrompt *self);

gboolean prompt_key_event(ObPrompt *self, XEvent *e);
gboolean prompt_mouse_event(ObPrompt *self, XEvent *e);
void prompt_cancel(ObPrompt *self);

void prompt_show_message(const gchar *msg, const gchar *answer);

#endif