X-Git-Url: https://git.siccegge.de//index.cgi?p=frida%2Ffrida.git;a=blobdiff_plain;f=src%2Fgui%2Fwidgets%2FBasicBlockWidget.cxx;h=efa7ec34394ec6d2416933c99d452d1b054032fa;hp=6d187a7c1a3e57b7165789496b956bbf24d559fd;hb=3a4fade0292b9b8776c6195467b70a8f25a3b1c7;hpb=b111ca0e0961d2e5294d555a25e8f3cea7ff9785 diff --git a/src/gui/widgets/BasicBlockWidget.cxx b/src/gui/widgets/BasicBlockWidget.cxx index 6d187a7..efa7ec3 100644 --- a/src/gui/widgets/BasicBlockWidget.cxx +++ b/src/gui/widgets/BasicBlockWidget.cxx @@ -1,63 +1,228 @@ #include "BasicBlockWidget.hxx" +#include "gui/Mainwindow.hxx" +#include "gui/dialogs/SimpleStringDialog.hxx" +#include "core/BasicBlock.hxx" +#include "core/Function.hxx" +#include "core/Comment.hxx" +#include "disassembler/Instruction.hxx" +#include "core/InformationManager.hxx" +#include "core/events/RenameFunctionEvent.hxx" +#include "core/events/ChangeCommentEvent.hxx" +#include -BasicBlockWidget::BasicBlockWidget(const QString& name) - : x(-5), y(-20) - , dx(270), dy(45) - , name(name) { - _widget.setGridStyle(Qt::NoPen); - _widget.setMinimumHeight(_widget.rowHeight(0) + 10); - _widget.setMaximumHeight(20); - _widget.resizeColumnToContents(0); - _widget.resizeColumnToContents(1); - _widget.resizeColumnToContents(2); - _widget.updateGeometry(); - _widget.setMaximumWidth(260); - _widget.setColumnCount(3); - _widget.verticalHeader()->hide(); - _widget.horizontalHeader()->hide(); - dx = _widget.rowHeight(0) + 20; - if (dx < 270) dx = 270; -} - -void BasicBlockWidget::addItem(uint8_t* bytes, size_t num_bytes, - const QString& line) { - size_t current_row = _widget.rowCount(); - int column_width; - - QString bytestring; - - for (size_t i(0); i < num_bytes; ++i) { - const char * hexdigits = "0123456789ABCDEF"; - bytestring += hexdigits[(bytes[i] >> 4) & 0xF]; - bytestring += hexdigits[bytes[i] & 0xF]; - bytestring += ' '; - } - - _widget.setRowCount(current_row + 1); - - _widget.setItem(current_row, 0, new QTableWidgetItem(bytestring)); - _widget.setItem(current_row, 1, new QTableWidgetItem(line)); - _widget.setItem(current_row, 2, new QTableWidgetItem("")); - _widget.updateGeometry(); - - _widget.resizeColumnToContents(0); - _widget.resizeColumnToContents(1); - _widget.resizeColumnToContents(2); - - _widget.resizeRowToContents(current_row); - - column_width = - _widget.columnWidth(0) + - _widget.columnWidth(1) + - _widget.columnWidth(2) + - 2; - - _widget.setMinimumWidth(column_width); - _widget.setMinimumHeight(_widget.rowHeight(0) * (_widget.rowCount()) + 2); - _widget.setMaximumHeight(_widget.rowHeight(0) * (_widget.rowCount()) + 2); - - - dy = _widget.rowHeight(0) * (_widget.rowCount()) + 25; - dx = column_width + 10; - if (dx < 270) dx = 270; +class CustomQGraphicsTextItem : public QObject, public QGraphicsTextItem { +public: + CustomQGraphicsTextItem(const QString& text, BasicBlockWidget* parent) + : QGraphicsTextItem(text, parent), parent(parent) {} + void contextMenuEvent(QGraphicsSceneContextMenuEvent*); +private: + void addComment(int row, bool global); + + BasicBlockWidget* parent; +}; + +void CustomQGraphicsTextItem::addComment(int row, bool global) { + SimpleStringDialog dialog(global ? "Global comment" : "Local comment"); + int result = dialog.exec(); + uint64_t address = parent->instructions[row].getAddress(); + if (QDialog::Accepted == result) { + Comment* comment; + if (global) { + comment = parent->block->getManager()->newGlobalComment(address); + } else { + comment = parent->block->getManager()->newLocalComment(address, (Function*)0x23); + } + comment->setText(dialog.result().toStdString()); + parent->block->getManager()->finishComment(comment); + +// cell.firstCursorPosition().insertHtml(QString(";; ") + dialog.result()); + } else { + LOG4CXX_DEBUG(parent->logger, "addComment aborted"); + } +} + +void CustomQGraphicsTextItem::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) { + QTextCursor c = textCursor(); + c.setPosition(document()->documentLayout()->hitTest(event->pos(), Qt::FuzzyHit)); + c.select(QTextCursor::WordUnderCursor); + + QMenu menu; + bool ok; + uint64_t address = c.selectedText().toLongLong(&ok, 16); + if (ok) { + QAction* act = menu.addAction(c.selectedText() + " is a Function"); + QObject::connect(act, &QAction::triggered, + [=]() {parent->mainwindow->requestNewFunctionByAddress(address);}); + } + + QTextTable* table = c.currentTable(); + if (NULL != table) { + int row = table->cellAt(c).row(); + QAction* globalComment = menu.addAction("Add global Comment"); + QAction* localComment = menu.addAction("Add local Comment"); + + QObject::connect(globalComment, &QAction::triggered, + [=]() { addComment(row, true); }); + QObject::connect(localComment, &QAction::triggered, + [=]() { addComment(row, false); }); + } + + menu.exec(event->screenPos()); +} + +BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block, + Mainwindow * mainwindow) + : width(270), height(45), name(name) + , _table(NULL) + , block(block), mainwindow(mainwindow) + , logger(log4cxx::Logger::getLogger("gui.BasicBlockWidget." + name.toStdString())) { + next[0] = NULL; next[1] = NULL; + + block->getManager()->registerRenameFunctionEvent([=](RenameFunctionEvent* event) {updateFunctionName(event);}); + + _widget.reset(new CustomQGraphicsTextItem("", this)); + _widget->setPos(5, 20); + _widget->setTextInteractionFlags(Qt::TextSelectableByMouse| + Qt::LinksAccessibleByMouse); + + if (width < 250) width = 250; + + QObject::connect(_widget.get(), &QGraphicsTextItem::linkActivated, + [=](QString str) { + if (str.startsWith("function:")) { + QString address = str.remove("function:"); + mainwindow->switchMainPlaneToAddress(address.toInt(NULL, 16)); + } + }); + instructions = block->getInstructions(); + populateWidget(); + block->getManager()->registerChangeCommentEvent([=](ChangeCommentEvent* e) {changeCommentHandler(e);}); +} + +void BasicBlockWidget::updateFunctionName(RenameFunctionEvent *event) { + QString search = QString("function:") + QString::number(event->address, 16); + QTextDocument *document = _widget->document(); + QTextBlock b = document->begin(); + while (b.isValid()) { + for (QTextBlock::iterator i = b.begin(); !i.atEnd(); ++i) { + QTextCharFormat format = i.fragment().charFormat(); + bool isLink = format.isAnchor(); + if (isLink) + { + if (search == format.anchorHref()) { + LOG4CXX_DEBUG(logger, i.fragment().text().toStdString() << " ---> " << format.anchorHref().toStdString()); + QTextCursor c(b); + c.setPosition(i.fragment().position()); + c.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, i.fragment().length()); + c.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor, i.fragment().length()); + c.movePosition(QTextCursor::WordRight, QTextCursor::KeepAnchor); + c.insertText(event->new_name.c_str()); + } + } + } + b = b.next(); + } } + +void BasicBlockWidget::changeCommentHandler(ChangeCommentEvent* event) { + auto inst_it = std::find_if(instructions.begin(), instructions.end(), + [=](Instruction& inst) { + return inst.getAddress() == event->address; + }); + if (inst_it != instructions.end()) { + if (std::find(inst_it->comments().begin(), + inst_it->comments().begin(), + event->comment) == inst_it->comments().end()) { + LOG4CXX_DEBUG(logger, "Change Comment Event -- New Comment!"); + inst_it->comments().push_back(event->comment); + } + int row = inst_it - instructions.begin(); + LOG4CXX_DEBUG(logger, "Inserting comment for instruction at row " << std::hex << row); + QTextCursor cursor = _table->cellAt(row, 2).lastCursorPosition(); + while (cursor != _table->cellAt(row, 2).firstCursorPosition()) { + cursor.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor, 1); + } + cursor.removeSelectedText(); + cursor.insertHtml(formatComments(&*inst_it)); + } +} + +void BasicBlockWidget::populateWidget() { + int row; + QTextTableFormat format; + format.setBorderStyle(QTextFrameFormat::BorderStyle_None); + format.setBorder(0); + + for (Instruction& inst : instructions) { + if (_table) { + row = _table->rows(); + _table->appendRows(1); + } else { + row = 0; + _table = _widget->textCursor().insertTable(1, 3, format); + } + QString bytestring; + for (uint8_t byte : inst.getBytes()) { + const char * hexdigits = "0123456789ABCDEF"; + bytestring += hexdigits[(byte >> 4) & 0xF]; + bytestring += hexdigits[byte & 0xF]; + bytestring += ' '; + } + _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring); + + QString line = inst.getText().c_str(); + line = line.replace('\t', ' ').toHtmlEscaped(); + if (inst.getReference() != "") { + QString href = inst.getReference().c_str(); + QStringList list = href.split(":"); + if (list[0] == "function") { + uint64_t address = href.split(":")[1].toLongLong(NULL, 16); + Function* fun = block->getManager()->getFunction(address); + + if (fun) { + line = line.split(" ")[0] + " " + QString(fun->getName().c_str()).toHtmlEscaped(); + LOG4CXX_DEBUG(logger, "Naming function at " << address << " " << fun->getName()); + } + } + line = "" + line + ""; + } + _table->cellAt(row, 1).firstCursorPosition().insertHtml(line); + _table->cellAt(row, 2).firstCursorPosition().insertHtml(formatComments(&inst)); + } +} + +QString BasicBlockWidget::formatComments(Instruction* inst) { + QString comments; + for (Comment* c: inst->comments()) { + comments += "
"; + comments += QString(c->getText().c_str()).toHtmlEscaped(); + } + return (comments == "" ? "" : ";; ") + comments.trimmed(); +} + +void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem*, + QWidget*) { + _widget->adjustSize(); + width = 10 + _widget->boundingRect().width(); + height = 25 + _widget->boundingRect().height(); + if (width < 250) width = 250; + + painter->fillRect(0, 0, width, height, QColor(0xcc, 0xcc, 0xff, 0xff)); + painter->setPen(QColor(0x00, 0x00, 0xff, 0xff)); + painter->drawRect(0, 0, width, height); + painter->drawText(5, 15, name); +} + +QRectF BasicBlockWidget::boundingRect() const { + qreal penWidth = 1; + QRectF result(- penWidth / 2, - penWidth / 2, + width + penWidth, height + penWidth); + return result; +} + +std::array BasicBlockWidget::getExits() const { + return { { mapToScene(QPointF( width/3, height)), + mapToScene(QPointF( width/2, height)), + mapToScene(QPointF(2*width/3, height)) } }; +} +