/*
 * entry.c
 *
 * Copyright (C) 2002 Sun Microsystems, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 * Authors: Glynn Foster <glynn.foster@sun.com>
 */

#include <ctype.h>

#include "util.h"
#include "zenity.h"

static void zenity_entry_dialog_response (
	GtkWidget *widget, int response, gpointer data);

static GtkWidget *entry;
static gint n_entries = 0;

static void
zenity_entry_fill_entries (GSList **entries, const gchar **args) {
	gint i = 0;

	while (args[i] != NULL) {
		*entries = g_slist_append (*entries, (gchar *) args[i]);
		i++;
	}
}

static void
zenity_entry_combo_activate_default (GtkEntry *entry, gpointer window) {
	gtk_window_activate_default (GTK_WINDOW (window));
}

static void
zenity_entry_insert_text_event (GtkEditable *editable, const gchar *text,
	gint length, gint *position, gpointer data) {
	int i = 0;
	if (gtk_editable_get_position (editable) == 0 && text[0] == '-' &&
		gtk_entry_get_text (GTK_ENTRY (editable))[0] != '-') {
		i++;
	}
	for (; i < length; i++) {
		if (!isdigit (text[i])) {
			g_signal_stop_emission_by_name (G_OBJECT (editable), "insert-text");
			return;
		}
	}
}

void
zenity_entry (ZenityData *data, ZenityEntryData *entry_data) {
	GtkBuilder *builder = NULL;
	GtkWidget *dialog;
	GtkWidget *button;
	GObject *text;
	GSList *entries = NULL;
	GSList *tmp;
	GObject *vbox;

	builder = zenity_util_load_ui_file ("zenity_entry_dialog", NULL);

	if (builder == NULL) {
		data->exit_code = zenity_util_return_exit_code (ZENITY_ERROR);
		return;
	}

	gtk_builder_connect_signals (builder, NULL);

	dialog =
		GTK_WIDGET (gtk_builder_get_object (builder, "zenity_entry_dialog"));

	g_signal_connect (G_OBJECT (dialog),
		"response",
		G_CALLBACK (zenity_entry_dialog_response),
		data);

	if (data->dialog_title)
		gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);

	if (data->width > -1 || data->height > -1)
		gtk_window_set_default_size (
			GTK_WINDOW (dialog), data->width, data->height);

	if (data->modal)
		gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);

	if (data->extra_label) {
		gint i = 0;
		while (data->extra_label[i] != NULL) {
			gtk_dialog_add_button (GTK_DIALOG (dialog),
				data->extra_label[i],
				i + ZENITY_EXIT_CODE_LAST);
			i++;
		}
	}

	if (data->ok_label) {
		button = GTK_WIDGET (
			gtk_builder_get_object (builder, "zenity_entry_ok_button"));
		gtk_button_set_label (GTK_BUTTON (button), data->ok_label);
	}

	if (data->cancel_label) {
		button = GTK_WIDGET (
			gtk_builder_get_object (builder, "zenity_entry_cancel_button"));
		gtk_button_set_label (GTK_BUTTON (button), data->cancel_label);
	}

	text = gtk_builder_get_object (builder, "zenity_entry_text");

	if (entry_data->dialog_text)
		gtk_label_set_markup (
			GTK_LABEL (text), g_strcompress (entry_data->dialog_text));

	vbox = gtk_builder_get_object (builder, "vbox4");

	zenity_entry_fill_entries (&entries, entry_data->data);

	n_entries = g_slist_length (entries);

	if (n_entries > 1) {
		entry = gtk_combo_box_text_new_with_entry ();

		for (tmp = entries; tmp; tmp = tmp->next) {
			gtk_combo_box_text_append_text (
				GTK_COMBO_BOX_TEXT (entry), tmp->data);
		}

		if (entry_data->entry_text) {
			gtk_combo_box_text_prepend_text (
				GTK_COMBO_BOX_TEXT (entry), entry_data->entry_text);
			gtk_combo_box_set_active (GTK_COMBO_BOX (entry), 0);
		}

		g_signal_connect (gtk_bin_get_child (GTK_BIN (entry)),
			"activate",
			G_CALLBACK (zenity_entry_combo_activate_default),
			GTK_WINDOW (dialog));

		if (entry_data->only_numerical)
			g_signal_connect (G_OBJECT (gtk_bin_get_child (GTK_BIN (entry))),
				"insert-text",
				G_CALLBACK (zenity_entry_insert_text_event),
				NULL);
	} else {
		entry = gtk_entry_new ();

		gtk_entry_set_activates_default (GTK_ENTRY (entry), TRUE);

		if (entry_data->entry_text)
			gtk_entry_set_text (GTK_ENTRY (entry), entry_data->entry_text);

		if (entry_data->hide_text)
			g_object_set (G_OBJECT (entry), "visibility", FALSE, NULL);

		if (entry_data->only_numerical)
			g_signal_connect (G_OBJECT (entry),
				"insert-text",
				G_CALLBACK (zenity_entry_insert_text_event),
				NULL);
	}

	gtk_widget_show (entry);

	gtk_box_pack_end (GTK_BOX (vbox), entry, FALSE, FALSE, 0);

	gtk_label_set_mnemonic_widget (GTK_LABEL (text), entry);

	g_object_unref (builder);

	zenity_util_show_dialog (dialog);

	if (data->timeout_delay > 0) {
		g_timeout_add_seconds (data->timeout_delay,
			(GSourceFunc) zenity_util_timeout_handle,
			dialog);
	}

	gtk_main ();
}

static void
zenity_entry_dialog_output (void) {
	const gchar *text;
	if (n_entries > 1)
		text = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (entry));
	else
		text = gtk_entry_get_text (GTK_ENTRY (entry));

	if (text != NULL)
		g_print ("%s\n", text);
}

static void
zenity_entry_dialog_response (GtkWidget *widget, int response, gpointer data) {
	ZenityData *zen_data = data;

	switch (response) {
		case GTK_RESPONSE_OK:
			zenity_entry_dialog_output ();
			zenity_util_exit_code_with_data (ZENITY_OK, zen_data);
			break;

		case GTK_RESPONSE_CANCEL:
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_CANCEL);
			break;

		case ZENITY_TIMEOUT:
			zenity_entry_dialog_output ();
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_TIMEOUT);
			break;

		default:
			if (zen_data->extra_label &&
				(response - ZENITY_EXIT_CODE_LAST) <
					g_strv_length (zen_data->extra_label))
				printf ("%s\n",
					zen_data->extra_label[response - ZENITY_EXIT_CODE_LAST]);
			zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
			break;
	}
	gtk_main_quit ();
}