src/gtkrequest.c

/**
 * @file gtkrequest.c GTK+ Request API
 * @ingroup gtkui
 *
 * gaim
 *
 * Copyright (C) 2003 Christian Hammond <chipx86@gnupdate.org>
 * 
 * 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
 */
#include "internal.h"

#include "debug.h"

#include "gtkrequest.h"
#include "gtkutils.h"
#include "stock.h"

typedef struct
{
	GaimRequestType type;

	void *user_data;
	GtkWidget *dialog;

	size_t cb_count;
	GCallback *cbs;

	union
	{
		struct
		{
			GtkWidget *entry;

			gboolean multiline;

		} input;

		struct
		{
			GaimRequestFields *fields;

		} multifield;

	} u;

} GaimGtkRequestData;

static void
input_response_cb(GtkDialog *dialog, gint id, GaimGtkRequestData *data)
{
	const char *value;

	if (data->u.input.multiline) {
		GtkTextIter start_iter, end_iter;
		GtkTextBuffer *buffer =
			gtk_text_view_get_buffer(GTK_TEXT_VIEW(data->u.input.entry));

		gtk_text_buffer_get_start_iter(buffer, &start_iter);
		gtk_text_buffer_get_end_iter(buffer, &end_iter);

		value = gtk_text_buffer_get_text(buffer, &start_iter, &end_iter,
										 FALSE);
	}
	else
		value = gtk_entry_get_text(GTK_ENTRY(data->u.input.entry));

	if (id < data->cb_count && data->cbs[id] != NULL)
		((GaimRequestInputCb)data->cbs[id])(data->user_data, value);

	gaim_request_close(GAIM_REQUEST_INPUT, data);
}

static void
action_response_cb(GtkDialog *dialog, gint id, GaimGtkRequestData *data)
{
	if (id < data->cb_count && data->cbs[id] != NULL)
		((GaimRequestActionCb)data->cbs[id])(data->user_data, id);

	gaim_request_close(GAIM_REQUEST_INPUT, data);
}

static gboolean
field_string_focus_out_cb(GtkEntry *entry, GdkEventFocus *event,
						  GaimRequestField *field)
{
	const char *value = gtk_entry_get_text(entry);

	gaim_request_field_string_set_value(field,
			(*value == '\0' ? NULL : value));

	return FALSE;
}

static gboolean
field_int_focus_out_cb(GtkEntry *entry, GdkEventFocus *event,
					   GaimRequestField *field)
{
	gaim_request_field_int_set_value(field,
			atoi(gtk_entry_get_text(entry)));

	return FALSE;
}

static void
field_bool_cb(GtkToggleButton *button, GaimRequestField *field)
{
	gaim_request_field_bool_set_value(field,
			gtk_toggle_button_get_active(button));
}

static void
field_choice_menu_cb(GtkOptionMenu *menu, GaimRequestField *field)
{
	gaim_request_field_choice_set_value(field,
			gtk_option_menu_get_history(menu));
}

static void
field_choice_option_cb(GtkRadioButton *button, GaimRequestField *field)
{
	if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
		gaim_request_field_choice_set_value(field,
				g_slist_index(gtk_radio_button_get_group(button), button));
}

static void
multifield_ok_cb(GtkWidget *button, GaimGtkRequestData *data)
{
	if (data->cbs[0] != NULL)
		((GaimRequestFieldsCb)data->cbs[0])(data->user_data,
											data->u.multifield.fields);

	gaim_request_close(GAIM_REQUEST_FIELDS, data);
}

static void
multifield_cancel_cb(GtkWidget *button, GaimGtkRequestData *data)
{
	if (data->cbs[1] != NULL)
		((GaimRequestFieldsCb)data->cbs[1])(data->user_data,
											data->u.multifield.fields);

	gaim_request_close(GAIM_REQUEST_FIELDS, data);
}

#define STOCK_ITEMIZE(r, l) \
	if (!strcmp((r), text)) \
		return (l);

static const char *
text_to_stock(const char *text)
{
	STOCK_ITEMIZE(_("Yes"),    GTK_STOCK_YES);
	STOCK_ITEMIZE(_("No"),     GTK_STOCK_NO);
	STOCK_ITEMIZE(_("OK"),     GTK_STOCK_OK);
	STOCK_ITEMIZE(_("Cancel"), GTK_STOCK_CANCEL);
	STOCK_ITEMIZE(_("Apply"),  GTK_STOCK_APPLY);
	STOCK_ITEMIZE(_("Close"),  GTK_STOCK_CLOSE);
	STOCK_ITEMIZE(_("Delete"), GTK_STOCK_DELETE);
	STOCK_ITEMIZE(_("Add"),    GTK_STOCK_ADD);
	STOCK_ITEMIZE(_("Remove"), GTK_STOCK_REMOVE);
	STOCK_ITEMIZE(_("Save"),   GTK_STOCK_SAVE);

	return text;
}

void *
gaim_gtk_request_input(const char *title, const char *primary,
					   const char *secondary, const char *default_value,
					   gboolean multiline, gboolean masked,
					   const char *ok_text, GCallback ok_cb,
					   const char *cancel_text, GCallback cancel_cb,
					   void *user_data)
{
	GaimGtkRequestData *data;
	GtkWidget *dialog;
	GtkWidget *vbox;
	GtkWidget *hbox;
	GtkWidget *label;
	GtkWidget *entry;
	GtkWidget *img;
	char *label_text;

	data            = g_new0(GaimGtkRequestData, 1);
	data->type      = GAIM_REQUEST_INPUT;
	data->user_data = user_data;

	data->cb_count = 2;
	data->cbs = g_new0(GCallback, 2);

	data->cbs[0] = ok_cb;
	data->cbs[1] = cancel_cb;

	/* Create the dialog. */
	dialog = gtk_dialog_new_with_buttons("", NULL, 0,
					     text_to_stock(cancel_text), 1,
					     text_to_stock(ok_text),     0,
					     NULL);
	data->dialog = dialog;

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

	/* Setup the dialog */
	gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
	gtk_container_set_border_width(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), 6);
	gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
	gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);
	gtk_dialog_set_default_response(GTK_DIALOG(dialog), 0);
	gtk_box_set_spacing(GTK_BOX(GTK_DIALOG(dialog)->vbox), 12);

	/* Setup the main horizontal box */
	hbox = gtk_hbox_new(FALSE, 12);
	gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), hbox);

	/* Dialog icon. */
	img = gtk_image_new_from_stock(GAIM_STOCK_DIALOG_QUESTION,
								   GTK_ICON_SIZE_DIALOG);
	gtk_misc_set_alignment(GTK_MISC(img), 0, 0);
	gtk_box_pack_start(GTK_BOX(hbox), img, FALSE, FALSE, 0);

	/* Vertical box */
	vbox = gtk_vbox_new(FALSE, 12);

	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);

	/* Descriptive label */
	label_text = g_strdup_printf("<span weight=\"bold\" size=\"larger\">"
								 "%s</span>\n\n%s",
								 primary, (secondary ? secondary : ""));

	label = gtk_label_new(NULL);

	gtk_label_set_markup(GTK_LABEL(label), label_text);
	gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
	gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, TRUE, 0);

	g_free(label_text);

	/* Entry field. */
	data->u.input.multiline = multiline;

	if (multiline) {
		GtkWidget *sw;

		sw = gtk_scrolled_window_new(NULL, NULL);
		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sw),
									   GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
		gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(sw),
											GTK_SHADOW_IN);

		gtk_widget_set_size_request(sw, 300, 75);

		gtk_box_pack_start(GTK_BOX(vbox), sw, TRUE, TRUE, 0);

		entry = gtk_text_view_new();
		gtk_text_view_set_editable(GTK_TEXT_VIEW(entry), TRUE);

		gtk_container_add(GTK_CONTAINER(sw), entry);

		if (default_value != NULL) {
			GtkTextBuffer *buffer;

			buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(entry));
			gtk_text_buffer_set_text(buffer, default_value, -1);
		}
	}
	else {
		entry = gtk_entry_new();

		gtk_entry_set_activates_default(GTK_ENTRY(entry), TRUE);

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

		if (default_value != NULL)
			gtk_entry_set_text(GTK_ENTRY(entry), default_value);

		if (masked)
			gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
	}

	data->u.input.entry = entry;

	/* Show everything. */
	gtk_widget_show_all(dialog);

	return data;
}

void *
gaim_gtk_request_choice(const char *title, const char *primary,
						const char *secondary, unsigned int default_value,
						const char *ok_text, GCallback ok_cb,
						const char *cancel_text, GCallback cancel_cb,
						void *user_data, size_t choice_count, va_list args)
{
	return NULL;
}

void *
gaim_gtk_request_action(const char *title, const char *primary,
						const char *secondary, unsigned int default_action,
						void *user_data, size_t action_count, va_list actions)
{
	GaimGtkRequestData *data;
	GtkWidget *dialog;
	GtkWidget *vbox;
	GtkWidget *hbox;
	GtkWidget *label;
	GtkWidget *img;
	void **buttons;
	char *label_text;
	int i;

	data            = g_new0(GaimGtkRequestData, 1);
	data->type      = GAIM_REQUEST_ACTION;
	data->user_data = user_data;

	data->cb_count = action_count;
	data->cbs = g_new0(GCallback, action_count);

	/* Reverse the buttons */
	buttons = g_new0(void *, action_count * 2);

	for (i = 0; i < action_count * 2; i += 2) {
		buttons[(action_count * 2) - i - 2] = va_arg(actions, char *);
		buttons[(action_count * 2) - i - 1] = va_arg(actions, GCallback);
	}

	/* Create the dialog. */
	data->dialog = dialog = gtk_dialog_new();

	for (i = 0; i < action_count; i++) {
		gtk_dialog_add_button(GTK_DIALOG(dialog),
							  text_to_stock(buttons[2 * i]), i);

		data->cbs[i] = buttons[2 * i + 1];
	}

	g_free(buttons);

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

	/* Setup the dialog */
	gtk_container_set_border_width(GTK_CONTAINER(dialog), 6);
	gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
	gtk_dialog_set_has_separator(GTK_DIALOG(dialog), FALSE);
	gtk_box_set_spacing(GTK_BOX(GTK_DIALOG(dialog)->vbox), 12);
	gtk_container_set_border_width(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), 6);

	/* Setup the main horizontal box */
	hbox = gtk_hbox_new(FALSE, 12);
	gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), hbox);

	/* Dialog icon. */
	img = gtk_image_new_from_stock(GAIM_STOCK_DIALOG_QUESTION,
								   GTK_ICON_SIZE_DIALOG);
	gtk_misc_set_alignment(GTK_MISC(img), 0, 0);
	gtk_box_pack_start(GTK_BOX(hbox), img, FALSE, FALSE, 0);

	/* Vertical box */
	vbox = gtk_vbox_new(FALSE, 12);

	gtk_box_pack_start(GTK_BOX(hbox), vbox, FALSE, FALSE, 0);

	/* Descriptive label */
	label_text = g_strdup_printf("<span weight=\"bold\" size=\"larger\">"
								 "%s</span>\n\n%s",
								 primary, (secondary ? secondary : ""));

	label = gtk_label_new(NULL);

	gtk_label_set_markup(GTK_LABEL(label), label_text);
	gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
	gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
	gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, TRUE, 0);

	g_free(label_text);

	if (default_action != -1)
		gtk_dialog_set_default_response(GTK_DIALOG(dialog), default_action);

	/* Show everything. */
	gtk_widget_show_all(dialog);

	return data;
}

void *
gaim_gtk_request_fields(const char *title, const char *primary,
						const char *secondary, GaimRequestFields *fields,
						const char *ok_text, GCallback ok_cb,
						const char *cancel_text, GCallback cancel_cb,
						void *user_data)
{
	GaimGtkRequestData *data;
	GtkWidget *win;
	GtkWidget *vbox;
	GtkWidget *bbox;
	GtkWidget *frame;
	GtkWidget *label;
	GtkWidget *table;
	GtkWidget *sep;
	GtkWidget *button;
	GtkSizeGroup *sg;
	GList *gl, *fl;
	GaimRequestFieldGroup *group;
	GaimRequestField *field;
	char *text;
	char *label_text;

	data            = g_new0(GaimGtkRequestData, 1);
	data->type      = GAIM_REQUEST_FIELDS;
	data->user_data = user_data;
	data->u.multifield.fields = fields;

	data->cb_count = 2;
	data->cbs = g_new0(GCallback, 2);

	data->cbs[0] = ok_cb;
	data->cbs[1] = cancel_cb;

	data->dialog = win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_role(GTK_WINDOW(win), "multifield");
	gtk_container_set_border_width(GTK_CONTAINER(win), 12);
	gtk_window_set_resizable(GTK_WINDOW(win), FALSE);

	/* Setup the vbox */
	vbox = gtk_vbox_new(FALSE, 12);
	gtk_container_add(GTK_CONTAINER(win), vbox);
	gtk_widget_show(vbox);

	sg = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);

	if (primary != NULL || secondary != NULL) {
		label_text = g_strdup_printf("<span weight=\"bold\" size=\"larger\">"
									 "%s</span>\n\n%s",
									 (primary ? primary : ""),
									 (secondary ? secondary : ""));

		label = gtk_label_new(NULL);

		gtk_label_set_markup(GTK_LABEL(label), label_text);
		gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
		gtk_misc_set_alignment(GTK_MISC(label), 0, 0);
		gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, TRUE, 0);

		g_free(label_text);
	}

	for (gl = gaim_request_fields_get_groups(fields);
		 gl != NULL;
		 gl = gl->next) {

		GList *field_list;
		size_t field_count = 0;
		size_t cols = 1;
		size_t rows;
		size_t col_num;
		size_t row_num;

		group      = gl->data;
		field_list = gaim_request_field_group_get_fields(group);

		frame = gaim_gtk_make_frame(vbox,
									gaim_request_field_group_get_title(group));

		field_count = g_list_length(field_list);

		if (field_count > 9) {
			rows = field_count / 2;
			cols++;
		}
		else
			rows = field_count;

		table = gtk_table_new(rows, 2 * cols, FALSE);
		gtk_table_set_row_spacings(GTK_TABLE(table), 6);
		gtk_table_set_col_spacings(GTK_TABLE(table), 6);

		gtk_container_add(GTK_CONTAINER(frame), table);
		gtk_widget_show(table);

		for (col_num = 0, fl = field_list;
			 col_num < cols && fl != NULL;
			 col_num++) {

			for (row_num = 0;
				 row_num < rows && fl != NULL;
				 row_num++, fl = fl->next) {

				size_t col_offset = col_num * 2;
				GaimRequestFieldType type;
				GtkWidget *widget = NULL;

				field = fl->data;

				type = gaim_request_field_get_type(field);

				gaim_debug(GAIM_DEBUG_MISC, "gtkrequest",
						   "type = %d (%d)\n",
						   type, field->type);

				if (type != GAIM_REQUEST_FIELD_BOOLEAN) {
					text = g_strdup_printf("%s:",
										   gaim_request_field_get_label(field));
					label = gtk_label_new(text);
					g_free(text);

					gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5);

					gtk_size_group_add_widget(sg, label);

					gtk_table_attach_defaults(GTK_TABLE(table), label,
											  col_offset, col_offset + 1,
											  row_num, row_num + 1);
					gtk_widget_show(label);
				}

				if (type == GAIM_REQUEST_FIELD_STRING) {
					const char *value;

					widget = gtk_entry_new();

					value = gaim_request_field_string_get_default_value(field);

					if (value != NULL)
						gtk_entry_set_text(GTK_ENTRY(widget), value);

					g_signal_connect(G_OBJECT(widget), "focus-out-event",
									 G_CALLBACK(field_string_focus_out_cb),
									 field);
				}
				else if (type == GAIM_REQUEST_FIELD_INTEGER) {
					int value;

					widget = gtk_entry_new();

					value = gaim_request_field_int_get_default_value(field);

					if (value != 0) {
						char buf[32];

						g_snprintf(buf, sizeof(buf), "%d", value);

						gtk_entry_set_text(GTK_ENTRY(widget), buf);
					}

					g_signal_connect(G_OBJECT(widget), "focus-out-event",
									 G_CALLBACK(field_int_focus_out_cb),
									 field);
				}
				else if (type == GAIM_REQUEST_FIELD_BOOLEAN) {
					widget = gtk_check_button_new_with_label(
						gaim_request_field_get_label(field));

					gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget),
						gaim_request_field_bool_get_default_value(field));

					g_signal_connect(G_OBJECT(widget), "toggled",
									 G_CALLBACK(field_bool_cb), field);
				}
				else if (type == GAIM_REQUEST_FIELD_CHOICE) {
					GList *labels;
					GList *l;

					labels = gaim_request_field_choice_get_labels(field);

					if (g_list_length(labels) > 5) {
						GtkWidget *menu;
						GtkWidget *item;

						widget = gtk_option_menu_new();

						menu = gtk_menu_new();

						gtk_option_menu_set_menu(GTK_OPTION_MENU(widget), menu);

						for (l = labels; l != NULL; l = l->next) {
							const char *text = l->data;

							item = gtk_menu_item_new_with_label(text);

							gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
						}

						g_signal_connect(G_OBJECT(widget), "changed",
										 G_CALLBACK(field_choice_menu_cb),
										 field);
					}
					else {
						GtkWidget *box;
						GtkWidget *first_radio = NULL;
						GtkWidget *radio;

						if (g_list_length(labels) == 2)
							box = gtk_hbox_new(FALSE, 6);
						else
							box = gtk_vbox_new(FALSE, 0);

						widget = box;

						for (l = labels; l != NULL; l = l->next) {
							const char *text = l->data;

							radio =
								gtk_radio_button_new_with_label_from_widget(
									GTK_RADIO_BUTTON(first_radio), text);

							if (first_radio == NULL)
								first_radio = radio;

							gtk_box_pack_start(GTK_BOX(box), radio,
											   TRUE, TRUE, 0);
							gtk_widget_show(radio);

							g_signal_connect(G_OBJECT(radio), "toggled",
											 G_CALLBACK(field_choice_option_cb),
											 field);
						}
					}
				}

				if (type != GAIM_REQUEST_FIELD_BOOLEAN) {
					gtk_table_attach(GTK_TABLE(table), widget,
									 col_offset + 1, col_offset + 2,
									 row_num, row_num + 1,
									 GTK_FILL | GTK_EXPAND,
									 GTK_FILL | GTK_EXPAND,
									 5, 0);
				}
				else {
					gtk_table_attach(GTK_TABLE(table), widget,
									 col_offset, col_offset + 1,
									 row_num, row_num + 1,
									 GTK_FILL | GTK_EXPAND,
									 GTK_FILL | GTK_EXPAND,
									 5, 0);
				}

				gtk_widget_show(widget);

				field->ui_data = widget;
			}
		}
	}

	g_object_unref(sg);

	/* Separator */
	sep = gtk_hseparator_new();
	gtk_box_pack_start(GTK_BOX(vbox), sep, FALSE, FALSE, 0);
	gtk_widget_show(sep);

	/* Button box. */
	bbox = gtk_hbutton_box_new();
	gtk_box_set_spacing(GTK_BOX(bbox), 6);
	gtk_button_box_set_layout(GTK_BUTTON_BOX(bbox), GTK_BUTTONBOX_END);
	gtk_box_pack_end(GTK_BOX(vbox), bbox, FALSE, TRUE, 0);
	gtk_widget_show(bbox);

	/* Cancel button */
	button = gtk_button_new_from_stock(text_to_stock(cancel_text));
	gtk_box_pack_start(GTK_BOX(bbox), button, FALSE, FALSE, 0);
	gtk_widget_show(button);

	g_signal_connect(G_OBJECT(button), "clicked",
					 G_CALLBACK(multifield_cancel_cb), data);

	/* OK button */
	button = gtk_button_new_from_stock(text_to_stock(ok_text));
	gtk_box_pack_start(GTK_BOX(bbox), button, FALSE, FALSE, 0);
	gtk_widget_show(button);

	g_signal_connect(G_OBJECT(button), "clicked",
					 G_CALLBACK(multifield_ok_cb), data);

	gtk_widget_show(win);

	return data;
}

void
gaim_gtk_close_request(GaimRequestType type, void *ui_handle)
{
	GaimGtkRequestData *data = (GaimGtkRequestData *)ui_handle;

	if (data->cbs != NULL)
		g_free(data->cbs);

	if (type == GAIM_REQUEST_FIELDS)
		gaim_request_fields_destroy(data->u.multifield.fields);

	gtk_widget_destroy(data->dialog);

	g_free(data);
}

static GaimRequestUiOps ops =
{
	gaim_gtk_request_input,
	gaim_gtk_request_choice,
	gaim_gtk_request_action,
	gaim_gtk_request_fields,
	gaim_gtk_close_request
};

GaimRequestUiOps *
gaim_get_gtk_request_ui_ops(void)
{
	return &ops;
}