#include "BasicBlockWidget.hxx"
+#include "CFGScene.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 <iostream>
+#include "core/events/ChangeCommentEvent.hxx"
+#include <algorithm>
class CustomQGraphicsTextItem : public QObject, public QGraphicsTextItem {
public:
CustomQGraphicsTextItem(const QString& text, BasicBlockWidget* parent)
: QGraphicsTextItem(text, parent), parent(parent) {}
void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
+
+ void adjustSize();
private:
- void addComment(QTextTableCell cell, const QString& title);
+ void addComment(int row, bool global);
BasicBlockWidget* parent;
};
-void CustomQGraphicsTextItem::addComment(QTextTableCell cell, const QString& title) {
- SimpleStringDialog dialog(title);
+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) {
- LOG4CXX_DEBUG(parent->logger, "adding comment " << dialog.result().toStdString()
- << " at row " << cell.row());
- cell.firstCursorPosition().insertHtml(QString(";; ") + dialog.result());
+ Comment* comment;
+ if (global) {
+ comment = parent->block->getManager()->newGlobalComment(address);
+ } else {
+ /* TODO: 0x23 as we currently don't have the function here
+ * and setting it to null will make the comment appear
+ * global. Also means local comments are largely still
+ * broken.
+ */
+ comment = parent->block->getManager()->newLocalComment(address, (Function*)0x23);
+ }
+ comment->setText(dialog.result().toStdString());
+ parent->block->getManager()->finishComment(comment);
} else {
LOG4CXX_DEBUG(parent->logger, "addComment aborted");
}
QMenu menu;
bool ok;
uint64_t address = c.selectedText().toLongLong(&ok, 16);
+ QTextTable* table = c.currentTable();
if (ok) {
QAction* act = menu.addAction(c.selectedText() + " is a Function");
QObject::connect(act, &QAction::triggered,
- [=]() {parent->mainwindow->requestNewFunctionByAddress(address);});
+ [=]() {
+ parent->mainwindow->requestNewFunctionByAddress(address);
+ if (NULL == table) return;
+ int row = table->cellAt(c).row();
+ uint64_t insAddress = parent->instructions[row].getAddress();
+ Comment* comment = parent->block->getManager()->newLocalComment(insAddress, (Function*)0x23);
+ comment->setText("#F<" + c.selectedText().toStdString() + ">");
+ parent->block->getManager()->finishComment(comment);
+ });
}
- QTextTable* table = c.currentTable();
if (NULL != table) {
int row = table->cellAt(c).row();
- QTextTableCell cell = table->cellAt(row, 2);
QAction* globalComment = menu.addAction("Add global Comment");
QAction* localComment = menu.addAction("Add local Comment");
QObject::connect(globalComment, &QAction::triggered,
- [=]() { addComment(cell, "Global comment"); });
+ [=]() { addComment(row, true); });
QObject::connect(localComment, &QAction::triggered,
- [=]() { addComment(cell, "Local comment"); });
+ [=]() { addComment(row, false); });
}
menu.exec(event->screenPos());
}
+/* QGraphicsTextItem has an adjustSize() function that is supposed to
+ * resize the widget to it's "ideal" size. However it totally ignores
+ * all directives to not wrap lines and "ideal" is actually just a
+ * bunch of heuristics.
+ *
+ * We are starting with a hopefully absurdly large startingwidth and
+ * reduce it untill a line is broken (detected by a change in
+ * height). As long as the width (1000 here) is sufficiently large,
+ * this should give us a widget without any line-wrapping.
+ *
+ * One needs to call this on a Pointer of tye CustomQGraphicsTextItem
+ * as the adjustSize() function is not polymorphic (vurtual).
+ */
+void CustomQGraphicsTextItem::adjustSize() {
+ int width = 1000;
+ setTextWidth(width);
+ int height = boundingRect().height();
+ while (width > 250 && height == boundingRect().height()) {
+ setTextWidth(width -= 10);
+ }
+ width += 10;
+ if (width < 250) width = 250;
+ setTextWidth(width);
+}
+
BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block,
Mainwindow * mainwindow)
- : width(270), height(45), name(name)
- , _table(NULL)
+ : width(200), height(45), name(name)
+ , currentColor(defaultColor), _table(NULL)
, block(block), mainwindow(mainwindow)
, logger(log4cxx::Logger::getLogger("gui.BasicBlockWidget." + name.toStdString())) {
next[0] = NULL; next[1] = NULL;
if (str.startsWith("function:")) {
QString address = str.remove("function:");
mainwindow->switchMainPlaneToAddress(address.toInt(NULL, 16));
+ } else if (str.startsWith("block:")) {
+ QString address = str.remove("block:");
+
+ /* next[0] is always the jumptarget. On a
+ * conditional jump, next[1] also
+ * contains the following instruction
+ *
+ * TODO: Verify we're switching to the
+ * right block -- the target
+ * address matches the next blocks
+ * start address
+ */
+ LOG4CXX_TRACE(logger, "Highlighting block at Address " << address.toStdString()
+ << " BasicBlockWidget " << std::hex << next[0]);
+ ((CFGScene*)this->scene())->highlightBlock(next[0]);
}
});
instructions = block->getInstructions();
populateWidget();
+ block->getManager()->registerChangeCommentEvent([=](ChangeCommentEvent* e) {changeCommentHandler(e);});
}
void BasicBlockWidget::updateFunctionName(RenameFunctionEvent *event) {
if (isLink)
{
if (search == format.anchorHref()) {
- LOG4CXX_DEBUG(logger, i.fragment().text().toStdString() << " ---> " << format.anchorHref().toStdString());
+ LOG4CXX_DEBUG(logger, i.fragment().text().toStdString() << " ---> "
+ << format.anchorHref().toStdString());
+
+ /* This should select the function name. It stars
+ * by selecting the whole link fragment from back
+ * to front and then moves one word to the back
+ * again deselecting whatever mnemonic is used for
+ * the call instruction.
+ */
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());
+
+ QGraphicsTextItem* item = _widget.get();
+ ((CustomQGraphicsTextItem*)item)->adjustSize();
}
}
}
}
}
+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));
+ QGraphicsTextItem* item = _widget.get();
+ ((CustomQGraphicsTextItem*)item)->adjustSize();
+ }
+}
+
void BasicBlockWidget::populateWidget() {
int row;
QTextTableFormat format;
bytestring += hexdigits[byte & 0xF];
bytestring += ' ';
}
- _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring);
+ _table->cellAt(row, 0).firstCursorPosition().insertHtml("<nobr>" + bytestring + "</nobr>");
QString line = inst.getText().c_str();
line = line.replace('\t', ' ').toHtmlEscaped();
}
line = "<a href=\"" + href + "\">" + line + "</a>";
}
+ _table->cellAt(row, 1).firstCursorPosition().insertHtml("<nobr>" + line + "</nobr>");
+ _table->cellAt(row, 2).firstCursorPosition().insertHtml(formatComments(&inst));
+ }
+ QGraphicsTextItem* item = _widget.get();
+ ((CustomQGraphicsTextItem*)item)->adjustSize();
+}
- _table->cellAt(row, 1).firstCursorPosition().insertHtml(line);
+QString BasicBlockWidget::formatComments(Instruction* inst) {
+ QStringList comments;
+ for (Comment* c: inst->comments()) {
+ comments << QString(c->getText().c_str()).toHtmlEscaped();
}
+ return (comments.empty() ? "" : ";; ") + comments.join("<br />").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->fillRect(0, 0, width, height, currentColor);
painter->setPen(QColor(0x00, 0x00, 0xff, 0xff));
painter->drawRect(0, 0, width, height);
painter->drawText(5, 15, name);
projects / frida / frida.git / blobdiff