/* Copyright (c) 2013 Dropbox, Inc. * * 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 "json11.hpp" #include #include #include #include #include namespace json11 { static const int max_depth = 200; using std::string; using std::vector; using std::map; using std::make_shared; using std::initializer_list; using std::move; /* Helper for representing null - just a do-nothing struct, plus comparison * operators so the helpers in JsonValue work. We can't use nullptr_t because * it may not be orderable. */ struct NullStruct { bool operator==(NullStruct) const { return true; } bool operator<(NullStruct) const { return false; } }; /* * * * * * * * * * * * * * * * * * * * * Serialization */ static void dump(NullStruct, string &out) { out += "null"; } static void dump(double value, string &out) { if (std::isfinite(value)) { char buf[32]; snprintf(buf, sizeof buf, "%.17g", value); out += buf; } else { out += "null"; } } static void dump(int value, string &out) { char buf[32]; snprintf(buf, sizeof buf, "%d", value); out += buf; } static void dump(bool value, string &out) { out += value ? "true" : "false"; } static void dump(const string &value, string &out) { out += '"'; for (size_t i = 0; i < value.length(); i++) { const char ch = value[i]; if (ch == '\\') { out += "\\\\"; } else if (ch == '"') { out += "\\\""; } else if (ch == '\b') { out += "\\b"; } else if (ch == '\f') { out += "\\f"; } else if (ch == '\n') { out += "\\n"; } else if (ch == '\r') { out += "\\r"; } else if (ch == '\t') { out += "\\t"; } else if (static_cast(ch) <= 0x1f) { char buf[8]; snprintf(buf, sizeof buf, "\\u%04x", ch); out += buf; } else if (static_cast(ch) == 0xe2 && static_cast(value[i+1]) == 0x80 && static_cast(value[i+2]) == 0xa8) { out += "\\u2028"; i += 2; } else if (static_cast(ch) == 0xe2 && static_cast(value[i+1]) == 0x80 && static_cast(value[i+2]) == 0xa9) { out += "\\u2029"; i += 2; } else { out += ch; } } out += '"'; } static void dump(const Json::array &values, string &out) { bool first = true; out += "["; for (const auto &value : values) { if (!first) out += ", "; value.dump(out); first = false; } out += "]"; } static void dump(const Json::object &values, string &out) { bool first = true; out += "{"; for (const auto &kv : values) { if (!first) out += ", "; dump(kv.first, out); out += ": "; kv.second.dump(out); first = false; } out += "}"; } void Json::dump(string &out) const { m_ptr->dump(out); } /* * * * * * * * * * * * * * * * * * * * * Value wrappers */ template class Value : public JsonValue { protected: // Constructors explicit Value(const T &value) : m_value(value) {} explicit Value(T &&value) : m_value(move(value)) {} // Get type tag Json::Type type() const override { return tag; } // Comparisons bool equals(const JsonValue * other) const override { return m_value == static_cast *>(other)->m_value; } bool less(const JsonValue * other) const override { return m_value < static_cast *>(other)->m_value; } const T m_value; void dump(string &out) const override { json11::dump(m_value, out); } }; class JsonDouble final : public Value { double number_value() const override { return m_value; } int int_value() const override { return static_cast(m_value); } bool equals(const JsonValue * other) const override { return m_value == other->number_value(); } bool less(const JsonValue * other) const override { return m_value < other->number_value(); } public: explicit JsonDouble(double value) : Value(value) {} }; class JsonInt final : public Value { double number_value() const override { return m_value; } int int_value() const override { return m_value; } bool equals(const JsonValue * other) const override { return m_value == other->number_value(); } bool less(const JsonValue * other) const override { return m_value < other->number_value(); } public: explicit JsonInt(int value) : Value(value) {} }; class JsonBoolean final : public Value { bool bool_value() const override { return m_value; } public: explicit JsonBoolean(bool value) : Value(value) {} }; class JsonString final : public Value { const string &string_value() const override { return m_value; } public: explicit JsonString(const string &value) : Value(value) {} explicit JsonString(string &&value) : Value(move(value)) {} }; class JsonArray final : public Value { const Json::array &array_items() const override { return m_value; } const Json & operator[](size_t i) const override; public: explicit JsonArray(const Json::array &value) : Value(value) {} explicit JsonArray(Json::array &&value) : Value(move(value)) {} }; class JsonObject final : public Value { const Json::object &object_items() const override { return m_value; } const Json & operator[](const string &key) const override; public: explicit JsonObject(const Json::object &value) : Value(value) {} explicit JsonObject(Json::object &&value) : Value(move(value)) {} }; class JsonNull final : public Value { public: JsonNull() : Value({}) {} }; /* * * * * * * * * * * * * * * * * * * * * Static globals - static-init-safe */ struct Statics { const std::shared_ptr null = make_shared(); const std::shared_ptr t = make_shared(true); const std::shared_ptr f = make_shared(false); const string empty_string; const vector empty_vector; const map empty_map; Statics() {} }; static const Statics & statics() { static const Statics s {}; return s; } static const Json & static_null() { // This has to be separate, not in Statics, because Json() accesses statics().null. static const Json json_null; return json_null; } /* * * * * * * * * * * * * * * * * * * * * Constructors */ Json::Json() noexcept : m_ptr(statics().null) {} Json::Json(std::nullptr_t) noexcept : m_ptr(statics().null) {} Json::Json(double value) : m_ptr(make_shared(value)) {} Json::Json(int value) : m_ptr(make_shared(value)) {} Json::Json(bool value) : m_ptr(value ? statics().t : statics().f) {} Json::Json(const string &value) : m_ptr(make_shared(value)) {} Json::Json(string &&value) : m_ptr(make_shared(move(value))) {} Json::Json(const char * value) : m_ptr(make_shared(value)) {} Json::Json(const Json::array &values) : m_ptr(make_shared(values)) {} Json::Json(Json::array &&values) : m_ptr(make_shared(move(values))) {} Json::Json(const Json::object &values) : m_ptr(make_shared(values)) {} Json::Json(Json::object &&values) : m_ptr(make_shared(move(values))) {} /* * * * * * * * * * * * * * * * * * * * * Accessors */ Json::Type Json::type() const { return m_ptr->type(); } double Json::number_value() const { return m_ptr->number_value(); } int Json::int_value() const { return m_ptr->int_value(); } bool Json::bool_value() const { return m_ptr->bool_value(); } const string & Json::string_value() const { return m_ptr->string_value(); } const vector & Json::array_items() const { return m_ptr->array_items(); } const map & Json::object_items() const { return m_ptr->object_items(); } const Json & Json::operator[] (size_t i) const { return (*m_ptr)[i]; } const Json & Json::operator[] (const string &key) const { return (*m_ptr)[key]; } double JsonValue::number_value() const { return 0; } int JsonValue::int_value() const { return 0; } bool JsonValue::bool_value() const { return false; } const string & JsonValue::string_value() const { return statics().empty_string; } const vector & JsonValue::array_items() const { return statics().empty_vector; } const map & JsonValue::object_items() const { return statics().empty_map; } const Json & JsonValue::operator[] (size_t) const { return static_null(); } const Json & JsonValue::operator[] (const string &) const { return static_null(); } const Json & JsonObject::operator[] (const string &key) const { auto iter = m_value.find(key); return (iter == m_value.end()) ? static_null() : iter->second; } const Json & JsonArray::operator[] (size_t i) const { if (i >= m_value.size()) return static_null(); else return m_value[i]; } /* * * * * * * * * * * * * * * * * * * * * Comparison */ bool Json::operator== (const Json &other) const { if (m_ptr == other.m_ptr) return true; if (m_ptr->type() != other.m_ptr->type()) return false; return m_ptr->equals(other.m_ptr.get()); } bool Json::operator< (const Json &other) const { if (m_ptr == other.m_ptr) return false; if (m_ptr->type() != other.m_ptr->type()) return m_ptr->type() < other.m_ptr->type(); return m_ptr->less(other.m_ptr.get()); } /* * * * * * * * * * * * * * * * * * * * * Parsing */ /* esc(c) * * Format char c suitable for printing in an error message. */ static inline string esc(char c) { char buf[12]; if (static_cast(c) >= 0x20 && static_cast(c) <= 0x7f) { snprintf(buf, sizeof buf, "'%c' (%d)", c, c); } else { snprintf(buf, sizeof buf, "(%d)", c); } return string(buf); } static inline bool in_range(long x, long lower, long upper) { return (x >= lower && x <= upper); } namespace { /* JsonParser * * Object that tracks all state of an in-progress parse. */ struct JsonParser final { /* State */ const string &str; size_t i; string &err; bool failed; const JsonParse strategy; /* fail(msg, err_ret = Json()) * * Mark this parse as failed. */ Json fail(string &&msg) { return fail(move(msg), Json()); } template T fail(string &&msg, const T err_ret) { if (!failed) err = std::move(msg); failed = true; return err_ret; } /* consume_whitespace() * * Advance until the current character is non-whitespace. */ void consume_whitespace() { while (str[i] == ' ' || str[i] == '\r' || str[i] == '\n' || str[i] == '\t') i++; } /* consume_comment() * * Advance comments (c-style inline and multiline). */ bool consume_comment() { bool comment_found = false; if (str[i] == '/') { i++; if (i == str.size()) return fail("unexpected end of input after start of comment", false); if (str[i] == '/') { // inline comment i++; // advance until next line, or end of input while (i < str.size() && str[i] != '\n') { i++; } comment_found = true; } else if (str[i] == '*') { // multiline comment i++; if (i > str.size()-2) return fail("unexpected end of input inside multi-line comment", false); // advance until closing tokens while (!(str[i] == '*' && str[i+1] == '/')) { i++; if (i > str.size()-2) return fail( "unexpected end of input inside multi-line comment", false); } i += 2; comment_found = true; } else return fail("malformed comment", false); } return comment_found; } /* consume_garbage() * * Advance until the current character is non-whitespace and non-comment. */ void consume_garbage() { consume_whitespace(); if(strategy == JsonParse::COMMENTS) { bool comment_found = false; do { comment_found = consume_comment(); if (failed) return; consume_whitespace(); } while(comment_found); } } /* get_next_token() * * Return the next non-whitespace character. If the end of the input is reached, * flag an error and return 0. */ char get_next_token() { consume_garbage(); if (failed) return static_cast(0); if (i == str.size()) return fail("unexpected end of input", static_cast(0)); return str[i++]; } /* encode_utf8(pt, out) * * Encode pt as UTF-8 and add it to out. */ void encode_utf8(long pt, string & out) { if (pt < 0) return; if (pt < 0x80) { out += static_cast(pt); } else if (pt < 0x800) { out += static_cast((pt >> 6) | 0xC0); out += static_cast((pt & 0x3F) | 0x80); } else if (pt < 0x10000) { out += static_cast((pt >> 12) | 0xE0); out += static_cast(((pt >> 6) & 0x3F) | 0x80); out += static_cast((pt & 0x3F) | 0x80); } else { out += static_cast((pt >> 18) | 0xF0); out += static_cast(((pt >> 12) & 0x3F) | 0x80); out += static_cast(((pt >> 6) & 0x3F) | 0x80); out += static_cast((pt & 0x3F) | 0x80); } } /* parse_string() * * Parse a string, starting at the current position. */ string parse_string() { string out; long last_escaped_codepoint = -1; while (true) { if (i == str.size()) return fail("unexpected end of input in string", ""); char ch = str[i++]; if (ch == '"') { encode_utf8(last_escaped_codepoint, out); return out; } if (in_range(ch, 0, 0x1f)) return fail("unescaped " + esc(ch) + " in string", ""); // The usual case: non-escaped characters if (ch != '\\') { encode_utf8(last_escaped_codepoint, out); last_escaped_codepoint = -1; out += ch; continue; } // Handle escapes if (i == str.size()) return fail("unexpected end of input in string", ""); ch = str[i++]; if (ch == 'u') { // Extract 4-byte escape sequence string esc = str.substr(i, 4); // Explicitly check length of the substring. The following loop // relies on std::string returning the terminating NUL when // accessing str[length]. Checking here reduces brittleness. if (esc.length() < 4) { return fail("bad \\u escape: " + esc, ""); } for (size_t j = 0; j < 4; j++) { if (!in_range(esc[j], 'a', 'f') && !in_range(esc[j], 'A', 'F') && !in_range(esc[j], '0', '9')) return fail("bad \\u escape: " + esc, ""); } long codepoint = strtol(esc.data(), nullptr, 16); // JSON specifies that characters outside the BMP shall be encoded as a pair // of 4-hex-digit \u escapes encoding their surrogate pair components. Check // whether we're in the middle of such a beast: the previous codepoint was an // escaped lead (high) surrogate, and this is a trail (low) surrogate. if (in_range(last_escaped_codepoint, 0xD800, 0xDBFF) && in_range(codepoint, 0xDC00, 0xDFFF)) { // Reassemble the two surrogate pairs into one astral-plane character, per // the UTF-16 algorithm. encode_utf8((((last_escaped_codepoint - 0xD800) << 10) 
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of a Qt Solutions component.
**
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/


#include "qtpropertybrowserutils_p.h"
#include <QApplication>
#include <QPainter>
#include <QHBoxLayout>
#include <QMouseEvent>
#include <QCheckBox>
#include <QLineEdit>
#include <QMenu>
#include <QStyleOption>

#if QT_VERSION >= 0x040400
QT_BEGIN_NAMESPACE
#endif

QtCursorDatabase::QtCursorDatabase()
{
    appendCursor(Qt::ArrowCursor, QApplication::translate("QtCursorDatabase", "Arrow", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-arrow.png")));
    appendCursor(Qt::UpArrowCursor, QApplication::translate("QtCursorDatabase", "Up Arrow", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-uparrow.png")));
    appendCursor(Qt::CrossCursor, QApplication::translate("QtCursorDatabase", "Cross", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-cross.png")));
    appendCursor(Qt::WaitCursor, QApplication::translate("QtCursorDatabase", "Wait", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-wait.png")));
    appendCursor(Qt::IBeamCursor, QApplication::translate("QtCursorDatabase", "IBeam", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-ibeam.png")));
    appendCursor(Qt::SizeVerCursor, QApplication::translate("QtCursorDatabase", "Size Vertical", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizev.png")));
    appendCursor(Qt::SizeHorCursor, QApplication::translate("QtCursorDatabase", "Size Horizontal", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeh.png")));
    appendCursor(Qt::SizeFDiagCursor, QApplication::translate("QtCursorDatabase", "Size Backslash", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizef.png")));
    appendCursor(Qt::SizeBDiagCursor, QApplication::translate("QtCursorDatabase", "Size Slash", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeb.png")));
    appendCursor(Qt::SizeAllCursor, QApplication::translate("QtCursorDatabase", "Size All", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-sizeall.png")));
    appendCursor(Qt::BlankCursor, QApplication::translate("QtCursorDatabase", "Blank", 0), QIcon());
    appendCursor(Qt::SplitVCursor, QApplication::translate("QtCursorDatabase", "Split Vertical", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-vsplit.png")));
    appendCursor(Qt::SplitHCursor, QApplication::translate("QtCursorDatabase", "Split Horizontal", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hsplit.png")));
    appendCursor(Qt::PointingHandCursor, QApplication::translate("QtCursorDatabase", "Pointing Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-hand.png")));
    appendCursor(Qt::ForbiddenCursor, QApplication::translate("QtCursorDatabase", "Forbidden", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-forbidden.png")));
    appendCursor(Qt::OpenHandCursor, QApplication::translate("QtCursorDatabase", "Open Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-openhand.png")));
    appendCursor(Qt::ClosedHandCursor, QApplication::translate("QtCursorDatabase", "Closed Hand", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-closedhand.png")));
    appendCursor(Qt::WhatsThisCursor, QApplication::translate("QtCursorDatabase", "What's This", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-whatsthis.png")));
    appendCursor(Qt::BusyCursor, QApplication::translate("QtCursorDatabase", "Busy", 0), QIcon(QLatin1String(":/trolltech/qtpropertybrowser/images/cursor-busy.png")));
}

void QtCursorDatabase::appendCursor(Qt::CursorShape shape, const QString &name, const QIcon &icon)
{
    if (m_cursorShapeToValue.contains(shape))
        return;
    int value = m_cursorNames.count();
    m_cursorNames.append(name);
    m_cursorIcons[value] = icon;
    m_valueToCursorShape[value] = shape;
    m_cursorShapeToValue[shape] = value;
}

QStringList QtCursorDatabase::cursorShapeNames() const
{
    return m_cursorNames;
}

QMap<int, QIcon> QtCursorDatabase::cursorShapeIcons() const
{
    return m_cursorIcons;
}

QString QtCursorDatabase::cursorToShapeName(const QCursor &cursor) const
{
    int val = cursorToValue(cursor);
    if (val >= 0)
        return m_cursorNames.at(val);
    return QString();
}

QIcon QtCursorDatabase::cursorToShapeIcon(const QCursor &cursor) const
{
    int val = cursorToValue(cursor);
    return m_cursorIcons.value(val);
}

int QtCursorDatabase::cursorToValue(const QCursor &cursor) const
{
#ifndef QT_NO_CURSOR
    Qt::CursorShape shape = cursor.shape();
    if (m_cursorShapeToValue.contains(shape))
        return m_cursorShapeToValue[shape];
#endif
    return -1;
}

#ifndef QT_NO_CURSOR
QCursor QtCursorDatabase::valueToCursor(int value) const
{
    if (m_valueToCursorShape.contains(value))
        return QCursor(m_valueToCursorShape[value]);
    return QCursor();
}
#endif

QPixmap QtPropertyBrowserUtils::brushValuePixmap(const QBrush &b)
{
    QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
    img.fill(0);

    QPainter painter(&img);
    painter.setCompositionMode(QPainter::CompositionMode_Source);
    painter.fillRect(0, 0, img.width(), img.height(), b);
    QColor color = b.color();
    if (color.alpha() != 255) { // indicate alpha by an inset
        QBrush  opaqueBrush = b;
        color.setAlpha(255);
        opaqueBrush.setColor(color);
        painter.fillRect(img.width() / 4, img.height() / 4,
                         img.width() / 2, img.height() / 2, opaqueBrush);
    }
    painter.end();
    return QPixmap::fromImage(img);
}

QIcon QtPropertyBrowserUtils::brushValueIcon(const QBrush &b)
{
    return QIcon(brushValuePixmap(b));
}

QString QtPropertyBrowserUtils::colorValueText(const QColor &c)
{
    return QApplication::translate("QtPropertyBrowserUtils", "[%1, %2, %3] (%4)", 0)
                                  .arg(QString::number(c.red()))
                                  .arg(QString::number(c.green()))
                                  .arg(QString::number(c.blue()))
                                  .arg(QString::number(c.alpha()));
}

QPixmap QtPropertyBrowserUtils::fontValuePixmap(const QFont &font)
{
    QFont f = font;
    QImage img(16, 16, QImage::Format_ARGB32_Premultiplied);
    img.fill(0);
    QPainter p(&img);
    p.setRenderHint(QPainter::TextAntialiasing, true);
    p.setRenderHint(QPainter::Antialiasing, true);
    f.setPointSize(13);
    p.setFont(f);
    QTextOption t;
    t.setAlignment(Qt::AlignCenter);
    p.drawText(QRect(0, 0, 16, 16), QString(QLatin1Char('A')), t);
    return QPixmap::fromImage(img);
}

QIcon QtPropertyBrowserUtils::fontValueIcon(const QFont &f)
{
    return QIcon(fontValuePixmap(f));
}

QString QtPropertyBrowserUtils::fontValueText(const QFont &f)
{
    return QApplication::translate("QtPropertyBrowserUtils", "[%1, %2]", 0)
                                  .arg(f.family())
                                  .arg(f.pointSize());
}


QtBoolEdit::QtBoolEdit(QWidget *parent) :
    QWidget(parent),
    m_checkBox(new QCheckBox(this)),
    m_textVisible(true)
{
    QHBoxLayout *lt = new QHBoxLayout;
    if (QApplication::layoutDirection() == Qt::LeftToRight)
        lt->setContentsMargins(4, 0, 0, 0);
    else
        lt->setContentsMargins(0, 0, 4, 0);
    lt->addWidget(m_checkBox);
    setLayout(lt);
    connect(m_checkBox, SIGNAL(toggled(bool)), this, SIGNAL(toggled(bool)));
    setFocusProxy(m_checkBox);
    m_checkBox->setText(tr("True"));
}

void QtBoolEdit::setTextVisible(bool textVisible)
{
    if (m_textVisible == textVisible)
        return;

    m_textVisible = textVisible;
    if (m_textVisible)
        m_checkBox->setText(isChecked() ? tr("True") : tr("False"));
    else
        m_checkBox->setText(QString());
}

Qt::CheckState QtBoolEdit::checkState() const
{
    return m_checkBox->checkState();
}

void QtBoolEdit::setCheckState(Qt::CheckState state)
{
    m_checkBox->setCheckState(state);
}

bool QtBoolEdit::isChecked() const
{
    return m_checkBox->isChecked();
}

void QtBoolEdit::setChecked(bool c)
{
    m_checkBox->setChecked(c);
    if (!m_textVisible)
        return;
    m_checkBox->setText(isChecked() ? tr("True") : tr("False"));
}

bool QtBoolEdit::blockCheckBoxSignals(bool block)
{
    return m_checkBox->blockSignals(block);
}

void QtBoolEdit::mousePressEvent(QMouseEvent *event)
{
    if (event->buttons() == Qt::LeftButton) {
        m_checkBox->click();
        event->accept();
    } else {
        QWidget::mousePressEvent(event);
    }
}

void QtBoolEdit::paintEvent(QPaintEvent *)
{
    QStyleOption opt;
    opt.init(this);
    QPainter p(this);
    style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}



QtKeySequenceEdit::QtKeySequenceEdit(QWidget *parent)
    : QWidget(parent), m_num(0), m_lineEdit(new QLineEdit(this))
{
    QHBoxLayout *layout = new QHBoxLayout(this);
    layout->addWidget(m_lineEdit);
    layout->setMargin(0);
    m_lineEdit->installEventFilter(this);
    m_lineEdit->setReadOnly(true);
    m_lineEdit->setFocusProxy(this);
    setFocusPolicy(m_lineEdit->focusPolicy());
    setAttribute(Qt::WA_InputMethodEnabled);
}

bool QtKeySequenceEdit::eventFilter(QObject *o, QEvent *e)
{
    if (o == m_lineEdit && e->type() == QEvent::ContextMenu) {
        QContextMenuEvent *c = static_cast<QContextMenuEvent *>(e);
        QMenu *menu = m_lineEdit->createStandardContextMenu();
        const QList<QAction *> actions = menu->actions();
        QListIterator<QAction *> itAction(actions);
        while (itAction.hasNext()) {
            QAction *action = itAction.next();
            action->setShortcut(QKeySequence());
            QString actionString = action->text();
            const int pos = actionString.lastIndexOf(QLatin1Char('\t'));
            if (pos > 0)
                actionString.remove(pos, actionString.length() - pos);
            action->setText(actionString);
        }
        QAction *actionBefore = 0;
        if (actions.count() > 0)
            actionBefore = actions[0];
        QAction *clearAction = new QAction(tr("Clear Shortcut"), menu);
        menu->insertAction(actionBefore, clearAction);
        menu->insertSeparator(actionBefore);
        clearAction->setEnabled(!m_keySequence.isEmpty());
        connect(clearAction, SIGNAL(triggered()), this, SLOT(slotClearShortcut()));
        menu->exec(c->globalPos());
        delete menu;
        e->accept();
        return true;
    }

    return QWidget::eventFilter(o, e);
}

void QtKeySequenceEdit::slotClearShortcut()
{
    if (m_keySequence.isEmpty())
        return;
    setKeySequence(QKeySequence());
    emit keySequenceChanged(m_keySequence);
}

void QtKeySequenceEdit::handleKeyEvent(QKeyEvent *e)
{
    int nextKey = e->key();
    if (nextKey == Qt::Key_Control || nextKey == Qt::Key_Shift ||
            nextKey == Qt::Key_Meta || nextKey == Qt::Key_Alt ||
            nextKey == Qt::Key_Super_L || nextKey == Qt::Key_AltGr)
        return;

    nextKey |= translateModifiers(e->modifiers(), e->text());
    int k0 = m_keySequence[0];
    int k1 = m_keySequence[1];
    int k2 = m_keySequence[2];
    int k3 = m_keySequence[3];
    switch (m_num) {
        case 0: k0 = nextKey; k1 = 0; k2 = 0; k3 = 0; break;
        case 1: k1 = nextKey; k2 = 0; k3 = 0; break;
        case 2: k2 = nextKey; k3 = 0; break;
        case 3: k3 = nextKey; break;
        default: break;
    }
    ++m_num;
    if (m_num > 3)
        m_num = 0;
    m_keySequence = QKeySequence(k0, k1, k2, k3);
    m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
    e->accept();
    emit keySequenceChanged(m_keySequence);
}

void QtKeySequenceEdit::setKeySequence(const QKeySequence &sequence)
{
    if (sequence == m_keySequence)
        return;
    m_num = 0;
    m_keySequence = sequence;
    m_lineEdit->setText(m_keySequence.toString(QKeySequence::NativeText));
}

QKeySequence QtKeySequenceEdit::keySequence() const
{
    return m_keySequence;
}

int QtKeySequenceEdit::translateModifiers(Qt::KeyboardModifiers state, const QString &text) const
{
    int result = 0;
    if ((state & Qt::ShiftModifier) && (text.size() == 0 || !text.at(0).isPrint() || text.at(0).isLetter() || text.at(0).isSpace()))
        result |= Qt::SHIFT;
    if (state & Qt::ControlModifier)
        result |= Qt::CTRL;
    if (state & Qt::MetaModifier)
        result |= Qt::META;
    if (state & Qt::AltModifier)
        result |= Qt::ALT;
    return result;
}

void QtKeySequenceEdit::focusInEvent(QFocusEvent *e)
{
    m_lineEdit->event(e);
    m_lineEdit->selectAll();
    QWidget::focusInEvent(e);
}

void QtKeySequenceEdit::focusOutEvent(QFocusEvent *e)
{
    m_num = 0;
    m_lineEdit->event(e);
    QWidget::focusOutEvent(e);
}

void QtKeySequenceEdit::keyPressEvent(QKeyEvent *e)
{
    handleKeyEvent(e);
    e->accept();
}

void QtKeySequenceEdit::keyReleaseEvent(QKeyEvent *e)
{
    m_lineEdit->event(e);
}

void QtKeySequenceEdit::paintEvent(QPaintEvent *)
{
    QStyleOption opt;
    opt.init(this);
    QPainter p(this);
    style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}

bool QtKeySequenceEdit::event(QEvent *e)
{
    if (e->type() == QEvent::Shortcut ||
            e->type() == QEvent::ShortcutOverride  ||
            e->type() == QEvent::KeyRelease) {
        e->accept();
        return true;
    }
    return QWidget::event(e);
}




#if QT_VERSION >= 0x040400
QT_END_NAMESPACE
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-10 15:32:28 +0000