Files
OpenSpace/src/interaction/luaconsole.cpp
Alexander Bock c92fc923f9 Remove constants.h file
Reenable LuaConsole rendering
2015-12-14 17:21:22 -08:00

415 lines
15 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2015 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <openspace/interaction/luaconsole.h>
#include <openspace/util/constants.h>
#include <openspace/engine/openspaceengine.h>
#include <openspace/engine/wrapper/windowwrapper.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/filesystem/cachemanager.h>
#include <ghoul/logging/logmanager.h>
#include <ghoul/misc/clipboard.h>
#include <ghoul/opengl/ghoul_gl.h>
#include <ghoul/font/font.h>
#include <ghoul/font/fontmanager.h>
#include <ghoul/font/fontrenderer.h>
#include <string>
#include <iostream>
#include <fstream>
#include <sgct.h>
namespace {
const std::string _loggerCat = "LuaConsole";
const std::string historyFile = "ConsoleHistory";
const int NoAutoComplete = -1;
}
#include "luaconsole_lua.inl"
namespace openspace {
LuaConsole::LuaConsole()
: _inputPosition(0)
, _activeCommand(0)
, _filename("")
, _autoCompleteInfo({NoAutoComplete, false, ""})
, _isVisible(false)
{
_commands.push_back("");
_activeCommand = _commands.size() - 1;
}
LuaConsole::~LuaConsole() {
}
void LuaConsole::initialize() {
_filename = FileSys.cacheManager()->cachedFilename(historyFile, "", true);
std::ifstream file(absPath(_filename), std::ios::binary | std::ios::in);
if (file.good()) {
int64_t nCommands;
file.read(reinterpret_cast<char*>(&nCommands), sizeof(int64_t));
for (int64_t i = 0; i < nCommands; ++i) {
int64_t length;
file.read(reinterpret_cast<char*>(&length), sizeof(int64_t));
char* tmp = new char[length + 1];
file.read(tmp, sizeof(char)*length);
tmp[length] = '\0';
_commandsHistory.emplace_back(tmp);
delete[] tmp;
}
file.close();
_commands = _commandsHistory;
}
_commands.push_back("");
_activeCommand = _commands.size() - 1;
}
void LuaConsole::deinitialize() {
std::ofstream file(absPath(_filename), std::ios::binary | std::ios::out);
if (file.good()) {
int64_t nCommands = _commandsHistory.size();
file.write(reinterpret_cast<const char*>(&nCommands), sizeof(int64_t));
for (const std::string& s : _commandsHistory) {
int64_t length = s.length();
file.write(reinterpret_cast<const char*>(&length), sizeof(int64_t));
file.write(s.c_str(), length);
}
file.close();
}
}
void LuaConsole::keyboardCallback(Key key, KeyModifier modifier, KeyAction action) {
if (action == KeyAction::Press || action == KeyAction::Repeat) {
const bool modifierControl = (modifier == KeyModifier::Control);
const bool modifierShift = (modifier == KeyModifier::Shift);
// Paste from clipboard
if (modifierControl && (key == Key::V))
addToCommand(ghoul::clipboardText());
// Copy to clipboard
if (modifierControl && (key == Key::C))
ghoul::setClipboardText(_commands.at(_activeCommand));
// Go to the previous character
if ((key == Key::Left) && (_inputPosition > 0))
--_inputPosition;
// Go to the next character
if ((key == Key::Right) && _inputPosition < _commands.at(_activeCommand).length())
++_inputPosition;
// Go to previous command
if (key == Key::Up) {
if (_activeCommand > 0)
--_activeCommand;
_inputPosition = _commands.at(_activeCommand).length();
}
// Go to next command (the last is empty)
if (key == Key::Down) {
if (_activeCommand < _commands.size() - 1)
++_activeCommand;
_inputPosition = _commands.at(_activeCommand).length();
}
// Remove character before _inputPosition
if (key == Key::BackSpace) {
if (_inputPosition > 0) {
_commands.at(_activeCommand).erase(_inputPosition - 1, 1);
--_inputPosition;
}
}
// Remove character after _inputPosition
if ((key == Key::Delete) && (_inputPosition <= _commands.at(_activeCommand).size()))
_commands.at(_activeCommand).erase(_inputPosition, 1);
// Go to the beginning of command string
if (key == Key::Home)
_inputPosition = 0;
// Go to the end of command string
if (key == Key::End)
_inputPosition = _commands.at(_activeCommand).size();
if (key == Key::Enter) {
// SHIFT+ENTER == new line
if (modifierShift)
addToCommand("\n");
// CTRL+ENTER == Debug print the command
else if (modifierControl) {
LDEBUG("Active command from next line:\n" << _commands.at(_activeCommand));
}
// ENTER == run lua script
else {
if (_commands.at(_activeCommand) != "") {
//OsEng.scriptEngine()->runScript(_commands.at(_activeCommand));
OsEng.scriptEngine().queueScript(_commands.at(_activeCommand));
if (!_commandsHistory.empty() &&
_commands.at(_activeCommand) != _commandsHistory.at(_commandsHistory.size() - 1))
_commandsHistory.push_back(_commands.at(_activeCommand));
else if (_commandsHistory.empty())
_commandsHistory.push_back(_commands.at(_activeCommand));
}
_commands = _commandsHistory;
_commands.push_back("");
_activeCommand = _commands.size() - 1;
_inputPosition = 0;
setVisible(false);
}
}
if (key == Key::Tab) {
// We get a list of all the available commands and initially find the first
// command that starts with how much we typed sofar. We store the index so
// that in subsequent "tab" presses, we will discard previous commands. This
// implements the 'hop-over' behavior. As soon as another key is pressed,
// everything is set back to normal
// If the shift key is pressed, we decrement the current index so that we will
// find the value before the one that was previously found
if (_autoCompleteInfo.lastIndex != NoAutoComplete && modifierShift)
_autoCompleteInfo.lastIndex -= 2;
std::vector<std::string> allCommands = OsEng.scriptEngine().allLuaFunctions();
std::sort(allCommands.begin(), allCommands.end());
std::string currentCommand = _commands.at(_activeCommand);
// Check if it is the first time the tab has been pressed. If so, we need to
// store the already entered command so that we can later start the search
// from there. We will overwrite the 'currentCommand' thus making the storage
// necessary
if (!_autoCompleteInfo.hasInitialValue) {
_autoCompleteInfo.initialValue = currentCommand;
_autoCompleteInfo.hasInitialValue = true;
}
for (int i = 0; i < static_cast<int>(allCommands.size()); ++i) {
const std::string& command = allCommands[i];
// Check if the command has enough length (we don't want crashes here)
// Then check if the iterator-command's start is equal to what we want
// then check if we need to skip the first found values as the user has
// pressed TAB repeatedly
size_t fullLength = _autoCompleteInfo.initialValue.length();
if (command.length() >= fullLength &&
(command.substr(0, fullLength) == _autoCompleteInfo.initialValue) &&
(i > _autoCompleteInfo.lastIndex))
{
// We found our index, so store it
_autoCompleteInfo.lastIndex = i;
// We only want to auto-complete until the next separator "."
size_t pos = command.find('.', fullLength);
if (pos == std::string::npos) {
// If we don't find a separator, we autocomplete until the end
// Set the found command as active command
_commands.at(_activeCommand) = command + "();";
// Set the cursor position to be between the brackets
_inputPosition = _commands.at(_activeCommand).size() - 2;
}
else {
// If we find a separator, we autocomplete until and including the
// separator unless the autocompletion would be the same that we
// already have (the case if there are multiple commands in the
// same group
std::string subCommand = command.substr(0, pos + 1);
if (subCommand == _commands.at(_activeCommand))
continue;
else {
_commands.at(_activeCommand) = command.substr(0, pos + 1);
_inputPosition = _commands.at(_activeCommand).length();
}
}
break;
}
}
}
else {
// If any other key is pressed, we want to remove our previous findings
// The special case for Shift is necessary as we want to allow Shift+TAB
if (!modifierShift)
_autoCompleteInfo = { NoAutoComplete, false, ""};
}
}
}
void LuaConsole::charCallback(unsigned int codepoint, KeyModifier modifier) {
if (codepoint == static_cast<unsigned int>(commandInputButton()))
return;
#ifndef WIN32
const bool modifierControl = (modifier == KeyModifier::Control);
const int codepoint_C = 99;
const int codepoint_V = 118;
if (modifierControl && (codepoint == codepoint_C || codepoint == codepoint_V)) {
return;
}
#endif
addToCommand(UnicodeToUTF8(codepoint));
}
void LuaConsole::render() {
const float font_size = 10.0f;
glm::ivec4 viewportPixelCoordinates = OsEng.windowWrapper().viewportPixelCoordinates();
int x1 = viewportPixelCoordinates.x;
int xSize = viewportPixelCoordinates.y;
int y1 = viewportPixelCoordinates.z;
int ySize = viewportPixelCoordinates.w;
float startY = static_cast<float>(ySize) - 2.0f * font_size;
startY = startY - font_size * 15.0f * 2.0f;
const glm::vec4 red(1, 0, 0, 1);
const glm::vec4 green(0, 1, 0, 1);
const glm::vec4 white(1, 1, 1, 1);
std::shared_ptr<ghoul::fontrendering::Font> font = OsEng.fontManager().font("Mono", font_size);
// const sgct_text::Font* font = sgct_text::FontManager::instance()->getFont(constants::fonts::keyMono, static_cast<int>(font_size));
using ghoul::fontrendering::RenderFont;
RenderFont(*font, glm::vec2(15.f, startY), red, "$");
RenderFont(*font, glm::vec2(15.f + font_size, startY), white, "%s", _commands.at(_activeCommand).c_str());
// sgct_text::print(font, 15.0f, startY, red, "$");
// sgct_text::print(font, 15.0f + font_size, startY, white, "%s", _commands.at(_activeCommand).c_str());
size_t n = std::count(_commands.at(_activeCommand).begin(), _commands.at(_activeCommand).begin() + _inputPosition, '\n');
size_t p = _commands.at(_activeCommand).find_last_of('\n', _inputPosition);
size_t linepos = _inputPosition;
if (n>0) {
if (p == _inputPosition) {
p = _commands.at(_activeCommand).find_last_of('\n', _inputPosition - 1);
if (p != std::string::npos) {
linepos -= p + 1;
}
else {
linepos = _inputPosition - 1;
}
}
else{
linepos -= p + 1;
}
}
std::stringstream ss;
ss << "%" << linepos + 1 << "s";
RenderFont(*font, glm::vec2(15.f + font_size * 0.5f, startY - (font_size)*(n + 1)*3.0f / 2.0f), green, ss.str().c_str(), "^");
// sgct_text::print(font, 15.0f + font_size*0.5f, startY - (font_size)*(n + 1)*3.0f / 2.0f, green, ss.str().c_str(), "^");
}
Key LuaConsole::commandInputButton() {
// Button left of 1 and above TAB
// How to deal with different keyboard languages? ---abock
return Key::GraveAccent;
}
void LuaConsole::addToCommand(std::string c) {
size_t length = c.length();
_commands.at(_activeCommand).insert(_inputPosition, c);
_inputPosition += length;
}
std::string LuaConsole::UnicodeToUTF8(unsigned int codepoint) {
std::string out;
if (codepoint <= 0x7f)
out.append(1, static_cast<char>(codepoint));
else if (codepoint <= 0x7ff)
{
out.append(1, static_cast<char>(0xc0 | ((codepoint >> 6) & 0x1f)));
out.append(1, static_cast<char>(0x80 | (codepoint & 0x3f)));
}
else if (codepoint <= 0xffff)
{
out.append(1, static_cast<char>(0xe0 | ((codepoint >> 12) & 0x0f)));
out.append(1, static_cast<char>(0x80 | ((codepoint >> 6) & 0x3f)));
out.append(1, static_cast<char>(0x80 | (codepoint & 0x3f)));
}
else
{
out.append(1, static_cast<char>(0xf0 | ((codepoint >> 18) & 0x07)));
out.append(1, static_cast<char>(0x80 | ((codepoint >> 12) & 0x3f)));
out.append(1, static_cast<char>(0x80 | ((codepoint >> 6) & 0x3f)));
out.append(1, static_cast<char>(0x80 | (codepoint & 0x3f)));
}
return out;
}
bool LuaConsole::isVisible() const {
return _isVisible;
}
void LuaConsole::setVisible(bool visible) {
_isVisible = visible;
}
void LuaConsole::toggleVisibility() {
_isVisible = !_isVisible;
}
scripting::ScriptEngine::LuaLibrary LuaConsole::luaLibrary() {
return {
"console",
{
{
"show",
&luascriptfunctions::show,
"",
"Shows the console"
},
{
"hide",
&luascriptfunctions::hide,
"",
"Hides the console"
},
{
"toggle",
&luascriptfunctions::toggle,
"",
"Toggles the console"
}
}
};
}
} // namespace openspace