// +build !windows,!darwin,!plan9

// 7 february 2014

package ui

import (
	"unsafe"
)

// #cgo pkg-config: gtk+-3.0
// #include "gtk_unix.h"
// /* because cgo seems to choke on ... */
// /* TODO does NULL parent make the box application-global? docs are unclear */
// GtkWidget *gtkNewMsgBox(GtkMessageType type, GtkButtonsType buttons, char *title, char *text)
// {
// 	GtkWidget *k;
// 
// 	k = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, type, buttons, "%s", (gchar *) title);
// 	if (text != NULL)
// 		gtk_message_dialog_format_secondary_text((GtkMessageDialog *) k, "%s", (gchar *) text);
// 	return k;
// }
import "C"

func _msgBox(primarytext string, secondarytext string, msgtype C.GtkMessageType, buttons C.GtkButtonsType) (result C.gint) {
	ret := make(chan C.gint)
	defer close(ret)
	uitask <- func() {
		cprimarytext := C.CString(primarytext)
		defer C.free(unsafe.Pointer(cprimarytext))
		csecondarytext := (*C.char)(nil)
		if secondarytext != "" {
			csecondarytext = C.CString(secondarytext)
			defer C.free(unsafe.Pointer(csecondarytext))
		}
		box := C.gtkNewMsgBox(msgtype, buttons, cprimarytext, csecondarytext)
		response := C.gtk_dialog_run((*C.GtkDialog)(unsafe.Pointer(box)))
		C.gtk_widget_destroy(box)
		ret <- response
	}
	return <-ret
}

func msgBox(primarytext string, secondarytext string) {
	// TODO add an icon?
	_msgBox(primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_OTHER), C.GtkButtonsType(C.GTK_BUTTONS_OK))
}

func msgBoxError(primarytext string, secondarytext string) {
	_msgBox(primarytext, secondarytext, C.GtkMessageType(C.GTK_MESSAGE_ERROR), C.GtkButtonsType(C.GTK_BUTTONS_OK))
}