119 lines
3.6 KiB
C++
119 lines
3.6 KiB
C++
// Filename: buttonEvent.cxx
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// Created by: drose (01Mar00)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#include "buttonEvent.h"
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#include "datagram.h"
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#include "datagramIterator.h"
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#include "buttonRegistry.h"
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#include "textEncoder.h"
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////////////////////////////////////////////////////////////////////
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// Function: ButtonEvent::output
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void ButtonEvent::
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output(ostream &out) const {
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switch (_type) {
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case T_down:
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out << "button " << _button << " down";
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break;
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case T_resume_down:
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out << "button " << _button << " resume down";
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break;
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case T_up:
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out << "button " << _button << " up";
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break;
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case T_keystroke:
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out << "keystroke " << _keycode;
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break;
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case T_candidate:
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out << "candidate "
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<< TextEncoder::encode_wtext(_candidate_string,
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TextEncoder::get_default_encoding());
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break;
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonEvent::write_datagram
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// Access: Public
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// Description: Writes the event into a datagram.
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////////////////////////////////////////////////////////////////////
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void ButtonEvent::
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write_datagram(Datagram &dg) const {
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dg.add_uint8(_type);
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switch (_type) {
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case T_down:
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case T_resume_down:
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case T_up:
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// We write the button name. This is not particularly compact, but
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// presumably we don't get thousands of button events per frame, and
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// it is robust as the button index may change between sessions but
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// the button name will not.
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dg.add_string(_button.get_name());
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break;
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case T_keystroke:
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dg.add_int16(_keycode);
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break;
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case T_candidate:
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// We should probably store the wtext directly in the datagram
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// rather than encoding it, but I don't feel like adding
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// add_wstring() to datagram right now.
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dg.add_string(TextEncoder::encode_wtext(_candidate_string,
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TextEncoder::get_default_encoding()));
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dg.add_uint16(_highlight_start);
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dg.add_uint16(_highlight_end);
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dg.add_uint16(_cursor_pos);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: ButtonEvent::read_datagram
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// Access: Public
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// Description: Restores the event from the datagram.
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////////////////////////////////////////////////////////////////////
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void ButtonEvent::
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read_datagram(DatagramIterator &scan) {
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_type = (Type)scan.get_uint8();
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switch (_type) {
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case T_down:
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case T_resume_down:
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case T_up:
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_button = ButtonRegistry::ptr()->get_button(scan.get_string());
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break;
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case T_keystroke:
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_keycode = scan.get_int16();
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break;
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case T_candidate:
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_candidate_string = TextEncoder::decode_text(scan.get_string(),
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TextEncoder::get_default_encoding());
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_highlight_start = scan.get_uint16();
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_highlight_end = scan.get_uint16();
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_cursor_pos = scan.get_uint16();
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}
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}
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