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Add JSConsole
This commit is contained in:
Ryan Huffman
parent
8aa9cea30e
commit
5a5d5b4983
2 changed files with 291 additions and 0 deletions
229
interface/src/ui/JSConsole.cpp
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229
interface/src/ui/JSConsole.cpp
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//
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// JSConsole.cpp
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// interface/src/ui
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//
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// Created by Ryan Huffman on 05/12/14.
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include <QKeyEvent>
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#include <QLabel>
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#include <QScrollBar>
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#include "Application.h"
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#include "ScriptHighlighting.h"
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#include "JSConsole.h"
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const int NO_CURRENT_HISTORY_COMMAND = -1;
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const int MAX_HISTORY_SIZE = 64;
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const QString ACTIVE_PROMPT_STYLESHEET = "color: rgb(0, 0, 255);";
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const QString INACTIVE_PROMPT_STYLESHEET = "color: rgba(0, 0, 0, 0.5);";
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const QString COMMAND_STYLE = "color: rgb(30, 141, 255);";
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const QString RESULT_ERROR_STYLE = "color: rgb(255, 0, 0);";
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const QString RESULT_SUCCESS_STYLE = "color: rgb(160, 160, 160);";
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const QString GUTTER_ERROR = "<pre style=\"color: red;\">X</pre>";
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const QString GUTTER_PREVIOUS_COMMAND = "<pre style=\"color: lightblue;\"><</pre>";
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JSConsole::JSConsole(QWidget* parent, ScriptEngine* scriptEngine) :
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QDialog(parent, Qt::WindowStaysOnTopHint),
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_ui(new Ui::Console),
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_currentCommandInHistory(NO_CURRENT_HISTORY_COMMAND),
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_commandHistory(),
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_scriptEngine(scriptEngine) {
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_ui->setupUi(this);
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_ui->promptTextEdit->setLineWrapMode(QTextEdit::NoWrap);
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_ui->promptTextEdit->installEventFilter(this);
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connect(_ui->scrollArea->verticalScrollBar(), SIGNAL(rangeChanged(int, int)), this, SLOT(scrollToBottom()));
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connect(_ui->promptTextEdit, SIGNAL(textChanged()), this, SLOT(resizeTextInput()));
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if (_scriptEngine == NULL) {
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_scriptEngine = Application::getInstance()->loadScript();
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}
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connect(_scriptEngine, SIGNAL(evaluationFinished(QScriptValue, bool)),
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this, SLOT(handleEvalutationFinished(QScriptValue, bool)));
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connect(_scriptEngine, SIGNAL(printedMessage(const QString&)), this, SLOT(handlePrint(const QString&)));
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setWindowOpacity(0.95);
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}
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JSConsole::~JSConsole() {
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delete _ui;
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}
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void JSConsole::executeCommand(const QString& command) {
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_commandHistory.prepend(command);
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if (_commandHistory.length() > MAX_HISTORY_SIZE) {
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_commandHistory.removeLast();
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}
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_ui->promptTextEdit->setDisabled(true);
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_ui->promptGutterLabel->setStyleSheet(INACTIVE_PROMPT_STYLESHEET);
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appendMessage(">", "<pre style='" + COMMAND_STYLE + "'>" + command.toHtmlEscaped() + "</pre>");
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QMetaObject::invokeMethod(_scriptEngine, "evaluate", Q_ARG(const QString&, command));
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resetCurrentCommandHistory();
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}
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void JSConsole::handleEvalutationFinished(QScriptValue result, bool isException) {
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_ui->promptTextEdit->setDisabled(false);
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_ui->promptGutterLabel->setStyleSheet(ACTIVE_PROMPT_STYLESHEET);
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// Make sure focus is still on this window - some commands are blocking and can take awhile to execute.
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if (window()->isActiveWindow()) {
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_ui->promptTextEdit->setFocus();
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}
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QString gutter = (isException || result.isError()) ? GUTTER_ERROR : GUTTER_PREVIOUS_COMMAND;
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QString resultColor = (isException || result.isError()) ? RESULT_ERROR_STYLE : RESULT_SUCCESS_STYLE;
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QString resultStr = "<pre style='" + resultColor + "'>" + result.toString().toHtmlEscaped() + "</pre>";
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appendMessage(gutter, resultStr);
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}
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void JSConsole::handlePrint(const QString& message) {
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appendMessage("", message);
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}
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void JSConsole::mouseReleaseEvent(QMouseEvent* event) {
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_ui->promptTextEdit->setFocus();
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}
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void JSConsole::showEvent(QShowEvent* event) {
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_ui->promptTextEdit->setFocus();
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}
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bool JSConsole::eventFilter(QObject* sender, QEvent* event) {
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if (sender == _ui->promptTextEdit) {
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if (event->type() == QEvent::KeyPress) {
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QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
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int key = keyEvent->key();
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if ((key == Qt::Key_Return || key == Qt::Key_Enter)) {
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if (keyEvent->modifiers() & Qt::ShiftModifier) {
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// If the shift key is being used then treat it as a regular return/enter. If this isn't done,
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// a new QTextBlock isn't created.
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keyEvent->setModifiers(keyEvent->modifiers() & ~Qt::ShiftModifier);
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} else {
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QString command = _ui->promptTextEdit->toPlainText().trimmed();
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if (!command.isEmpty()) {
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QTextCursor cursor = _ui->promptTextEdit->textCursor();
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cursor.select(QTextCursor::Document);
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cursor.removeSelectedText();
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executeCommand(command);
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}
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return true;
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}
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} else if (key == Qt::Key_Down) {
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// Go to the next command in history if the cursor is at the last line of the current command.
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int blockNumber = _ui->promptTextEdit->textCursor().blockNumber();
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int blockCount = _ui->promptTextEdit->document()->blockCount();
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if (blockNumber == blockCount - 1) {
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setToNextCommandInHistory();
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return true;
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}
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} else if (key == Qt::Key_Up) {
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// Go to the previous command in history if the cursor is at the first line of the current command.
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int blockNumber = _ui->promptTextEdit->textCursor().blockNumber();
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if (blockNumber == 0) {
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setToPreviousCommandInHistory();
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return true;
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}
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}
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}
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}
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return false;
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}
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void JSConsole::setToNextCommandInHistory() {
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if (_currentCommandInHistory >= 0) {
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_currentCommandInHistory--;
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if (_currentCommandInHistory == NO_CURRENT_HISTORY_COMMAND) {
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setAndSelectCommand(_rootCommand);
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} else {
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setAndSelectCommand(_commandHistory[_currentCommandInHistory]);
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}
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}
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}
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void JSConsole::setToPreviousCommandInHistory() {
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if (_currentCommandInHistory < (_commandHistory.length() - 1)) {
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if (_currentCommandInHistory == NO_CURRENT_HISTORY_COMMAND) {
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_rootCommand = _ui->promptTextEdit->toPlainText();
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}
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_currentCommandInHistory++;
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setAndSelectCommand(_commandHistory[_currentCommandInHistory]);
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}
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}
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void JSConsole::resetCurrentCommandHistory() {
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_currentCommandInHistory = NO_CURRENT_HISTORY_COMMAND;
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}
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void JSConsole::resizeTextInput() {
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_ui->promptTextEdit->setMaximumHeight(_ui->promptTextEdit->document()->size().height());
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_ui->promptTextEdit->updateGeometry();
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}
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void JSConsole::setAndSelectCommand(const QString& text) {
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QTextCursor cursor = _ui->promptTextEdit->textCursor();
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cursor.select(QTextCursor::Document);
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cursor.deleteChar();
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cursor.insertText(text);
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cursor.movePosition(QTextCursor::End);
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}
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void JSConsole::scrollToBottom() {
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QScrollBar* scrollBar = _ui->scrollArea->verticalScrollBar();
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scrollBar->setValue(scrollBar->maximum());
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}
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void JSConsole::appendMessage(const QString& gutter, const QString& message) {
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QWidget* logLine = new QWidget(_ui->logArea);
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QHBoxLayout* layout = new QHBoxLayout(logLine);
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layout->setMargin(0);
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layout->setSpacing(4);
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QLabel* gutterLabel = new QLabel(logLine);
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QLabel* messageLabel = new QLabel(logLine);
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gutterLabel->setFixedWidth(16);
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gutterLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
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messageLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
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QFont font("Courier New");
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font.setStyleHint(QFont::Monospace);
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gutterLabel->setFont(font);
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messageLabel->setFont(font);
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gutterLabel->setText(gutter);
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messageLabel->setText(message);
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layout->addWidget(gutterLabel);
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layout->addWidget(messageLabel);
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logLine->setLayout(layout);
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layout->setAlignment(gutterLabel, Qt::AlignTop);
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layout->setStretch(0, 0);
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layout->setStretch(1, 1);
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_ui->logArea->layout()->addWidget(logLine);
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_ui->logArea->updateGeometry();
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scrollToBottom();
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}
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62
interface/src/ui/JSConsole.h
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62
interface/src/ui/JSConsole.h
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@ -0,0 +1,62 @@
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//
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// JSConsole.h
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// interface/src/ui
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//
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// Created by Ryan Huffman on 05/12/14.
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#ifndef hifi_JSConsole_h
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#define hifi_JSConsole_h
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#include <QDialog>
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#include <QEvent>
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#include <QObject>
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#include <QWidget>
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#include "ui_console.h"
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#include "ScriptEngine.h"
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class JSConsole : public QDialog {
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Q_OBJECT
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public:
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JSConsole(QWidget* parent, ScriptEngine* scriptEngine = NULL);
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~JSConsole();
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public slots:
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void executeCommand(const QString& command);
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signals:
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void commandExecuting(const QString& command);
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void commandFinished(const QString& result);
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protected:
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void setAndSelectCommand(const QString& command);
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virtual bool eventFilter(QObject* sender, QEvent* event);
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virtual void mouseReleaseEvent(QMouseEvent* event);
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virtual void showEvent(QShowEvent* event);
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protected slots:
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void scrollToBottom();
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void resizeTextInput();
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void handleEvalutationFinished(QScriptValue result, bool isException);
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void handlePrint(const QString& message);
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private:
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void appendMessage(const QString& gutter, const QString& message);
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void setToNextCommandInHistory();
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void setToPreviousCommandInHistory();
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void resetCurrentCommandHistory();
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Ui::Console* _ui;
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int _currentCommandInHistory;
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QList<QString> _commandHistory;
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QString _rootCommand;
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ScriptEngine* _scriptEngine;
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};
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#endif // hifi_JSConsole_h
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