rockbox/utils/regtools/qeditor/utils.cpp
Dmitry Gamza 440ff9500b qeditor: on Windows it’s not impossible to create a file with AUX
Change-Id: Ic7ef01328eccbed4afddb0a09d2afbb6c1f6a28f
Reviewed-on: http://gerrit.rockbox.org/811
Reviewed-by: Amaury Pouly <amaury.pouly@gmail.com>
2014-05-12 19:05:19 +02:00

800 lines
20 KiB
C++

#include "utils.h"
#include <QFontMetrics>
#include <QPainter>
#include <QTextDocument>
#include <QAbstractTextDocumentLayout>
#include <QHeaderView>
#include <QDebug>
#include <QElapsedTimer>
#include <QXmlStreamReader>
#include <QXmlStreamWriter>
#include <QTextBlock>
/**
* SocBitRangeValidator
*/
SocBitRangeValidator::SocBitRangeValidator(QObject *parent)
:QValidator(parent)
{
}
void SocBitRangeValidator::fixup(QString& input) const
{
input = input.trimmed();
}
QValidator::State SocBitRangeValidator::validate(QString& input, int& pos) const
{
Q_UNUSED(pos);
int first, last;
State state = parse(input, last, first);
return state;
}
QValidator::State SocBitRangeValidator::parse(const QString& input, int& last, int& first) const
{
// the empty string is always intermediate
if(input.size() == 0)
return Intermediate;
// check if there is ':'
int pos = input.indexOf(':');
if(pos == -1)
pos = input.size();
// if field start with ':', the last bit is implicit and is 31
if(pos > 0)
{
// parse last bit and check it's between 0 and 31
bool ok = false;
last = input.left(pos).toInt(&ok);
if(!ok || last < 0 || last >= 32)
return Invalid;
}
else
last = 31;
// parse first bit
if(pos < input.size() - 1)
{
bool ok = false;
first = input.mid(pos + 1).toInt(&ok);
if(!ok || first < 0 || first > last)
return Invalid;
}
// if input ends with ':', first bit is implicit and is 0
else if(pos == input.size() - 1)
first = 0;
// if there no ':', first=last
else
first = last;
return Acceptable;
}
/**
* SocFieldValidator
*/
SocFieldValidator::SocFieldValidator(QObject *parent)
:QValidator(parent)
{
m_field.first_bit = 0;
m_field.last_bit = 31;
}
SocFieldValidator::SocFieldValidator(const soc_reg_field_t& field, QObject *parent)
:QValidator(parent), m_field(field)
{
}
void SocFieldValidator::fixup(QString& input) const
{
input = input.trimmed();
}
QValidator::State SocFieldValidator::validate(QString& input, int& pos) const
{
Q_UNUSED(pos);
soc_word_t val;
State state = parse(input, val);
return state;
}
QValidator::State SocFieldValidator::parse(const QString& input, soc_word_t& val) const
{
// the empty string is always intermediate
if(input.size() == 0)
return Intermediate;
// first check named values
State state = Invalid;
foreach(const soc_reg_field_value_t& value, m_field.value)
{
QString name = QString::fromLocal8Bit(value.name.c_str());
// cannot be a substring if too long or empty
if(input.size() > name.size())
continue;
// check equal string
if(input == name)
{
state = Acceptable;
val = value.value;
break;
}
// check substring
if(name.startsWith(input))
state = Intermediate;
}
// early return for exact match
if(state == Acceptable)
return state;
// do a few special cases for convenience
if(input.compare("0x", Qt::CaseInsensitive) == 0 ||
input.compare("0b", Qt::CaseInsensitive) == 0)
return Intermediate;
// try by parsing
unsigned basis, pos;
if(input.size() >= 2 && input.startsWith("0x", Qt::CaseInsensitive))
{
basis = 16;
pos = 2;
}
else if(input.size() >= 2 && input.startsWith("0b", Qt::CaseInsensitive))
{
basis = 2;
pos = 2;
}
else if(input.size() >= 2 && input.startsWith("0"))
{
basis = 8;
pos = 1;
}
else
{
basis = 10;
pos = 0;
}
bool ok = false;
unsigned long v = input.mid(pos).toULong(&ok, basis);
// if not ok, return result of name parsing
if(!ok)
return state;
// if ok, check if it fits in the number of bits
unsigned nr_bits = m_field.last_bit - m_field.first_bit + 1;
unsigned long max = nr_bits == 32 ? 0xffffffff : (1 << nr_bits) - 1;
if(v <= max)
{
val = v;
return Acceptable;
}
return state;
}
/**
* RegLineEdit
*/
RegLineEdit::RegLineEdit(QWidget *parent)
:QWidget(parent)
{
m_layout = new QHBoxLayout(this);
m_button = new QToolButton(this);
m_button->setCursor(Qt::ArrowCursor);
m_button->setStyleSheet("QToolButton { font-weight: bold; color: white; background: black; }");
m_button->setPopupMode(QToolButton::InstantPopup);
m_edit = new QLineEdit(this);
m_layout->addWidget(m_button);
m_layout->addWidget(m_edit);
m_menu = new QMenu(this);
connect(m_menu->addAction("Write"), SIGNAL(triggered()), this, SLOT(OnWriteAct()));
connect(m_menu->addAction("Set"), SIGNAL(triggered()), this, SLOT(OnSetAct()));
connect(m_menu->addAction("Clear"), SIGNAL(triggered()), this, SLOT(OnClearAct()));
connect(m_menu->addAction("Toggle"), SIGNAL(triggered()), this, SLOT(OnToggleAct()));
EnableSCT(false);
SetReadOnly(false);
ShowMode(true);
SetMode(Write);
}
void RegLineEdit::SetReadOnly(bool ro)
{
m_edit->setReadOnly(ro);
m_readonly = ro;
ShowMode(!ro);
}
void RegLineEdit::EnableSCT(bool en)
{
m_has_sct = en;
if(!m_has_sct)
{
m_button->setMenu(0);
SetMode(Write);
}
else
m_button->setMenu(m_menu);
}
RegLineEdit::~RegLineEdit()
{
}
QLineEdit *RegLineEdit::GetLineEdit()
{
return m_edit;
}
void RegLineEdit::ShowMode(bool show)
{
if(show)
m_button->show();
else
m_button->hide();
}
void RegLineEdit::OnWriteAct()
{
SetMode(Write);
}
void RegLineEdit::OnSetAct()
{
SetMode(Set);
}
void RegLineEdit::OnClearAct()
{
SetMode(Clear);
}
void RegLineEdit::OnToggleAct()
{
SetMode(Toggle);
}
void RegLineEdit::SetMode(EditMode mode)
{
m_mode = mode;
switch(m_mode)
{
case Write: m_button->setText("WR"); break;
case Set: m_button->setText("SET"); break;
case Clear: m_button->setText("CLR"); break;
case Toggle: m_button->setText("TOG"); break;
default: break;
}
}
RegLineEdit::EditMode RegLineEdit::GetMode()
{
return m_mode;
}
void RegLineEdit::setText(const QString& text)
{
m_edit->setText(text);
}
QString RegLineEdit::text() const
{
return m_edit->text();
}
/**
* SocFieldItemDelegate
*/
QString SocFieldItemDelegate::displayText(const QVariant& value, const QLocale& locale) const
{
if(value.type() == QVariant::UInt)
return QString("0x%1").arg(value.toUInt(), (m_bitcount + 3) / 4, 16, QChar('0'));
else
return QStyledItemDelegate::displayText(value, locale);
}
/**
* SocFieldEditor
*/
SocFieldEditor::SocFieldEditor(const soc_reg_field_t& field, QWidget *parent)
:QLineEdit(parent), m_reg_field(field)
{
m_validator = new SocFieldValidator(field);
setValidator(m_validator);
}
SocFieldEditor::~SocFieldEditor()
{
delete m_validator;
}
uint SocFieldEditor::field() const
{
soc_word_t v;
/* in case validator fails to parse, return old value */
if(m_validator->parse(text(), v) == QValidator::Acceptable)
return v;
else
return m_field;
}
void SocFieldEditor::setField(uint field)
{
m_field = field;
int digits = (m_reg_field.last_bit - m_reg_field.first_bit + 4) / 4;
setText(QString("0x%1").arg(field, digits, 16, QChar('0')));
}
/**
* SocFieldCachedItemDelegate
*/
QString SocFieldCachedItemDelegate::displayText(const QVariant& value, const QLocale& locale) const
{
// FIXME see QTBUG-30392
if(value.type() == QVariant::UserType && value.userType() == qMetaTypeId< SocFieldCachedValue >())
{
const SocFieldCachedValue& v = value.value< SocFieldCachedValue >();
int bitcount = v.field().last_bit - v.field().first_bit;
return QString("0x%1").arg(v.value(), (bitcount + 3) / 4, 16, QChar('0'));
}
else
return QStyledItemDelegate::displayText(value, locale);
}
/**
* SocFieldCachedEditor
*/
SocFieldCachedEditor::SocFieldCachedEditor(QWidget *parent)
:SocFieldEditor(soc_reg_field_t(), parent)
{
}
SocFieldCachedEditor::~SocFieldCachedEditor()
{
}
SocFieldCachedValue SocFieldCachedEditor::value() const
{
return SocFieldCachedValue(m_value.field(), field());
}
void SocFieldCachedEditor::setValue(SocFieldCachedValue val)
{
m_value = val;
SetRegField(m_value.field());
setField(m_value.value());
}
/**
* SocFieldEditorCreator
*/
QWidget *SocFieldEditorCreator::createWidget(QWidget *parent) const
{
return new SocFieldEditor(m_field, parent);
}
QByteArray SocFieldEditorCreator::valuePropertyName() const
{
return QByteArray("field");
}
/**
* SocFieldCachedEditorCreator
*/
QWidget *SocFieldCachedEditorCreator::createWidget(QWidget *parent) const
{
return new SocFieldCachedEditor(parent);
}
QByteArray SocFieldCachedEditorCreator::valuePropertyName() const
{
return QByteArray("value");
}
/**
* RegSexyDisplay
*/
RegSexyDisplay::RegSexyDisplay(const SocRegRef& reg, QWidget *parent)
:QWidget(parent), m_reg(reg)
{
m_size = QSize();
}
int RegSexyDisplay::separatorSize() const
{
return 1;
}
int RegSexyDisplay::marginSize() const
{
return fontMetrics().height() / 3;
}
int RegSexyDisplay::textSep() const
{
return marginSize() / 2;
}
int RegSexyDisplay::headerHeight() const
{
return 2 * marginSize() + textSep() + 2 * fontMetrics().height();
}
int RegSexyDisplay::columnWidth() const
{
return 2 * marginSize() + fontMetrics().height();
}
int RegSexyDisplay::maxContentHeight() const
{
int max = 0;
QFontMetrics metrics = fontMetrics();
for(size_t i = 0; i < m_reg.GetReg().field.size(); i++)
{
QString s = QString::fromStdString(m_reg.GetReg().field[i].name);
// add extra spaces arounds
s = " " + s + " ";
max = qMax(max, metrics.boundingRect(s).width());
}
return 2 * marginSize() + max;
}
int RegSexyDisplay::gapHeight() const
{
return marginSize() / 2;
}
QSize RegSexyDisplay::minimumSizeHint() const
{
/* cache computation because it's expensive */
if(m_size.isValid())
return m_size;
/* width: display 32 columns + 33 vertical separators */
m_size.setWidth(32 * columnWidth() + 33 * separatorSize());
/* height: one separator + two digits + one separator + margin + separator
* + names + separator */
m_size.setHeight(4 * separatorSize() + headerHeight() + gapHeight() + maxContentHeight());
return m_size;
}
QSize RegSexyDisplay::sizeHint() const
{
return minimumSizeHint();
}
void RegSexyDisplay::paintEvent(QPaintEvent *event)
{
// FIXME could be optimised with QStaticText
Q_UNUSED(event);
int txt_h = fontMetrics().height();
int sep_sz = separatorSize();
int w = width();
int h = height() - 1;
int col_w = (w - 33 * sep_sz) / 32;
int hdr_h = headerHeight();
int gap_h = gapHeight();
int tot_w = 33 * sep_sz + 32 * col_w;
int margin = marginSize();
int txt_sep = textSep();
int tot_hdr_sz = 2 * sep_sz + hdr_h;
// computer xshift
int x_shift = (w - tot_w) / 2;
#define ith_col_x(i) (x_shift + (i) * (sep_sz + col_w))
QPainter painter(this);
QBrush back_brush = palette().base();
QBrush line_brush = palette().dark();
// fill interesting zone with base
painter.fillRect(x_shift, 0, tot_w, h, back_brush);
// draw top and bottom lines
painter.setPen(QPen(palette().dark(), sep_sz));
painter.fillRect(x_shift, 0, tot_w, sep_sz, line_brush);
painter.fillRect(x_shift, h - sep_sz, tot_w, sep_sz, line_brush);
// draw intemediate lines
for(int i = 0; i <= 32; i++)
painter.fillRect(ith_col_x(i), 0, sep_sz, 2 * sep_sz + hdr_h, line_brush);
// draw bottom header lines
painter.fillRect(ith_col_x(0), sep_sz + hdr_h, tot_w, sep_sz, line_brush);
painter.fillRect(ith_col_x(0), tot_hdr_sz + gap_h, tot_w, sep_sz, line_brush);
// redraw some lines but wider
for(int i = 4; i < 32; i += 4)
painter.fillRect(ith_col_x(i) - sep_sz, 0, 3 * sep_sz, tot_hdr_sz, line_brush);
// draw numbers in the header
painter.setPen(palette().brush(QPalette::ButtonText).color());
for(int i = 0; i < 32; i++)
{
QRect r(ith_col_x(i), sep_sz + margin, col_w, txt_h);
painter.drawText(r, Qt::AlignCenter, QString("%1").arg((31 - i) / 10));
r.translate(0, txt_h + txt_sep);
painter.drawText(r, Qt::AlignCenter, QString("%1").arg((31 - i) % 10));
}
// display content
for(size_t i = 0; i < m_reg.GetReg().field.size(); i++)
{
const soc_reg_field_t& field = m_reg.GetReg().field[i];
QRect r(QPoint(ith_col_x(31 - field.last_bit) + sep_sz, tot_hdr_sz),
QPoint(ith_col_x(32 - field.first_bit), h - sep_sz));
painter.fillRect(r.x() - sep_sz, r.y(), sep_sz, r.height(), line_brush);
painter.fillRect(r.right(), r.y(), sep_sz, r.height(), line_brush);
r.setY(r.y() + gap_h + sep_sz);
// draw rotated text
painter.save();
painter.translate(r.bottomLeft());
painter.rotate(-90);
//painter.fillRect(QRect(0, 0, r.height(), r.width()), QBrush(Qt::red));
QRect r2(0, 0, r.height(), r.width());
painter.drawText(r2, Qt::AlignCenter, QString::fromStdString(field.name));
painter.restore();
}
#undef ith_col_x
}
/**
* GrowingTextEdit
*/
GrowingTextEdit::GrowingTextEdit(QWidget *parent)
:QTextEdit(parent)
{
connect(this, SIGNAL(textChanged()), this, SLOT(TextChanged()));
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
}
void GrowingTextEdit::TextChanged()
{
int content_size = document()->documentLayout()->documentSize().height();
content_size = qMax(content_size, fontMetrics().height());
setFixedHeight(content_size + contentsMargins().top() + contentsMargins().bottom());
}
/**
* GrowingTableWidget
*/
GrowingTableWidget::GrowingTableWidget(QWidget *parent)
:QTableWidget(parent)
{
connect(model(), SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
this, SLOT(DataChanged(const QModelIndex&, const QModelIndex&)));
}
void GrowingTableWidget::DataChanged(const QModelIndex& tl, const QModelIndex& br)
{
Q_UNUSED(tl);
Q_UNUSED(br);
resizeRowsToContents();
resizeColumnsToContents();
int h = contentsMargins().top() + contentsMargins().bottom();
h += horizontalHeader()->height();
for(int i = 0; i < rowCount(); i++)
h += rowHeight(i);
setMinimumHeight(h);
}
/**
* MyTextEditor
*/
MyTextEditor::MyTextEditor(QWidget *parent)
:QWidget(parent)
{
QVBoxLayout *layout = new QVBoxLayout;
m_toolbar = new QToolBar(this);
m_edit = new QTextEdit(this);
layout->addWidget(m_toolbar, 0);
layout->addWidget(m_edit, 1);
setLayout(layout);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
m_edit->setAcceptRichText(false);
m_edit->setAutoFormatting(QTextEdit::AutoAll);
m_bold_button = new QToolButton(this);
m_bold_button->setIcon(QIcon::fromTheme("format-text-bold"));
m_bold_button->setText("bold");
m_bold_button->setCheckable(true);
m_italic_button = new QToolButton(this);
m_italic_button->setIcon(QIcon::fromTheme("format-text-italic"));
m_italic_button->setText("italic");
m_italic_button->setCheckable(true);
m_underline_button = new QToolButton(this);
m_underline_button->setIcon(QIcon::fromTheme("format-text-underline"));
m_underline_button->setText("underline");
m_underline_button->setCheckable(true);
m_toolbar->addWidget(m_bold_button);
m_toolbar->addWidget(m_italic_button);
m_toolbar->addWidget(m_underline_button);
connect(m_bold_button, SIGNAL(toggled(bool)), this, SLOT(OnTextBold(bool)));
connect(m_italic_button, SIGNAL(toggled(bool)), this, SLOT(OnTextItalic(bool)));
connect(m_underline_button, SIGNAL(toggled(bool)), this, SLOT(OnTextUnderline(bool)));
connect(m_edit, SIGNAL(textChanged()), this, SLOT(OnInternalTextChanged()));
connect(m_edit, SIGNAL(currentCharFormatChanged(const QTextCharFormat&)),
this, SLOT(OnCharFormatChanged(const QTextCharFormat&)));
SetGrowingMode(false);
SetReadOnly(false);
}
void MyTextEditor::SetReadOnly(bool en)
{
m_read_only = en;
if(en)
m_toolbar->hide();
else
m_toolbar->hide();
m_edit->setReadOnly(en);
}
void MyTextEditor::SetGrowingMode(bool en)
{
m_growing_mode = en;
if(en)
{
m_edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
m_edit->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
OnTextChanged();
}
else
{
m_edit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
m_edit->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
}
}
void MyTextEditor::OnInternalTextChanged()
{
if(m_growing_mode)
{
int content_size = m_edit->document()->documentLayout()->documentSize().height();
content_size = qMax(content_size, m_edit->fontMetrics().height());
m_edit->setMinimumHeight(content_size + m_edit->contentsMargins().top() +
m_edit->contentsMargins().bottom());
}
emit OnTextChanged();
}
void MyTextEditor::OnTextBold(bool checked)
{
QTextCursor cursor = m_edit->textCursor();
QTextCharFormat fmt = cursor.charFormat();
fmt.setFontWeight(checked ? QFont::Bold : QFont::Normal);
cursor.setCharFormat(fmt);
m_edit->setTextCursor(cursor);
}
void MyTextEditor::OnTextItalic(bool checked)
{
QTextCursor cursor = m_edit->textCursor();
QTextCharFormat fmt = cursor.charFormat();
fmt.setFontItalic(checked);
cursor.setCharFormat(fmt);
m_edit->setTextCursor(cursor);
}
void MyTextEditor::OnTextUnderline(bool checked)
{
QTextCursor cursor = m_edit->textCursor();
QTextCharFormat fmt = cursor.charFormat();
fmt.setFontUnderline(checked);
cursor.setCharFormat(fmt);
m_edit->setTextCursor(cursor);
}
void MyTextEditor::OnCharFormatChanged(const QTextCharFormat& fmt)
{
/* NOTE: changing the button states programmaticaly doesn't trigger
* the toggled() signals, otherwise it would result in a loop
* between this function and OnText{Bold,Italic,Underline,...} */
m_bold_button->setChecked(fmt.fontWeight() > QFont::Normal);
m_italic_button->setChecked(fmt.fontItalic());
m_underline_button->setChecked(fmt.fontUnderline());
}
void MyTextEditor::SetTextHtml(const QString& text)
{
m_edit->setHtml(text);
}
QString MyTextEditor::GetTextHtml()
{
return m_edit->toPlainText();
}
bool MyTextEditor::IsModified()
{
return m_edit->document()->isModified();
}
/**
* MySwitchableTextEditor
*/
MySwitchableTextEditor::MySwitchableTextEditor(QWidget *parent)
:QWidget(parent)
{
QVBoxLayout *layout = new QVBoxLayout(this);
m_edit = new MyTextEditor(this);
m_label = new QLabel(this);
m_label->setTextFormat(Qt::RichText);
m_label->setAlignment(Qt::AlignTop);
m_line = new QLineEdit(this);
layout->addWidget(m_label);
layout->addWidget(m_edit);
layout->addWidget(m_line);
setLayout(layout);
m_editor_mode = false;
m_line_mode = false;
UpdateVisibility();
}
void MySwitchableTextEditor::SetEditorMode(bool edit)
{
if(edit == m_editor_mode)
return;
QString text = GetTextHtml();
m_editor_mode = edit;
UpdateVisibility();
SetTextHtml(text);
}
QString MySwitchableTextEditor::GetTextHtml()
{
if(m_editor_mode)
return m_line_mode ? m_line->text() : m_edit->GetTextHtml();
else
return m_label->text();
}
void MySwitchableTextEditor::SetTextHtml(const QString& text)
{
if(m_editor_mode)
{
if(m_line_mode)
m_line->setText(text);
else
m_edit->SetTextHtml(text);
}
else
m_label->setText(text);
}
MyTextEditor *MySwitchableTextEditor::GetEditor()
{
return m_edit;
}
void MySwitchableTextEditor::SetLineMode(bool en)
{
if(m_line_mode == en)
return;
QString text = GetTextHtml();
m_line_mode = en;
SetTextHtml(text);
UpdateVisibility();
}
QLineEdit *MySwitchableTextEditor::GetLineEdit()
{
return m_line;
}
void MySwitchableTextEditor::UpdateVisibility()
{
m_label->setVisible(!m_editor_mode);
m_edit->setVisible(m_editor_mode && !m_line_mode);
m_line->setVisible(m_editor_mode && m_line_mode);
}
QLabel *MySwitchableTextEditor::GetLabel()
{
return m_label;
}
bool MySwitchableTextEditor::IsModified()
{
if(!m_editor_mode)
return false;
return m_line_mode ? m_line->isModified() : m_edit->IsModified();
}