136 lines
3.1 KiB
C++
136 lines
3.1 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file buttonEvent.cxx
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* @author drose
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* @date 2000-03-01
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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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*
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*/
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void ButtonEvent::
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output(std::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_repeat:
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out << "button " << _button << " repeat";
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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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case T_move:
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out << "move";
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break;
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case T_raw_down:
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out << "raw button " << _button << " down";
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break;
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case T_raw_up:
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out << "raw button " << _button << " up";
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break;
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}
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}
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/**
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* 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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case T_repeat:
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case T_raw_down:
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case T_raw_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 it is
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// robust as the button index may change between sessions but the button
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// 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_uint16(_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 rather than
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// encoding it, but I don't feel like adding add_wstring() to datagram
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// 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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case T_move:
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break;
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}
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}
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/**
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* 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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case T_repeat:
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case T_raw_down:
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case T_raw_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_uint16();
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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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case T_move:
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break;
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}
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}
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