]> git.siccegge.de Git - frida/frida.git/blobdiff - src/gui/widgets/BasicBlockWidget.cxx
Add link handler only once for each basic block
[frida/frida.git] / src / gui / widgets / BasicBlockWidget.cxx
index 282eab27c53b0e869f4a3241445397bfabf77891..0036bda65180ea76cfa8e787332109a597cccfcb 100644 (file)
 #include "BasicBlockWidget.hxx"
+#include "gui/Mainwindow.hxx"
+#include "gui/dialogs/SimpleStringDialog.hxx"
+#include "core/BasicBlock.hxx"
 
-BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block)
-       : width(270), height(45)
-       , name(name), block(block) {
+class CustomQGraphicsTextItem : public QObject, public QGraphicsTextItem {
+public:
+       CustomQGraphicsTextItem(const QString& text, BasicBlockWidget* parent)
+               : QGraphicsTextItem(text, parent), parent(parent) {}
+       void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
+private:
+       void addComment(QTextTableCell cell, const QString& title);
+
+       BasicBlockWidget* parent;
+};
+
+void CustomQGraphicsTextItem::addComment(QTextTableCell cell, const QString& title) {
+       SimpleStringDialog dialog(title);
+       int result = dialog.exec();
+       if (QDialog::Accepted == result) {
+               LOG4CXX_DEBUG(parent->logger, "adding comment " << dialog.result().toStdString()
+                             << " at row " << cell.row());
+               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();
+               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"); });
+               QObject::connect(localComment, &QAction::triggered,
+                                [=]() { addComment(cell, "Local comment"); });
+       }
+
+       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(name.toStdString() + "BasicBlock")) {
        next[0] = NULL; next[1] = NULL;
-    _widget.move(5, 20);
+       _widget.reset(new CustomQGraphicsTextItem("", this));
+       _widget->setPos(5, 20);
+       _widget->setTextInteractionFlags(Qt::TextSelectableByMouse|
+                                       Qt::LinksAccessibleByMouse);
 
-    if (width < 270) width = 270;
+       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));
+                                }
+                        });
+}
 }
 
 void BasicBlockWidget::addItem(uint8_t* bytes, size_t num_bytes,
-                               const QString& line) {
-    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 += ' ';
-    }
-
-       QString old_text = _widget.text();
-       QString new_text =
-               old_text.remove("</table>") +
-               "<tr><td>" + bytestring +
-               "</td><td>" + line +
-               "</td><td>" + "" +
-               "</td></tr></table>";
-
-       _widget.setText(new_text);
-       width = 12 + _widget.sizeHint().width();
-       height = 25 + _widget.sizeHint().height();
-
-    if (width < 250) width = 250;
+                               QString line, const QString& href) {
+       QString bytestring;
+       int row;
+
+       if (_table) {
+               row = _table->rows();
+               _table->appendRows(1);
+       } else {
+               row = 0;
+               QTextTableFormat format;
+               format.setBorderStyle(QTextFrameFormat::BorderStyle_None);
+               format.setBorder(0);
+               _table = _widget->textCursor().insertTable(1, 3, format);
+       }
+
+       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 += ' ';
+       }
+
+       _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring);
+
+       line = line.replace('\t', ' ').toHtmlEscaped();
+       if (href != "") {
+               line = "<a href=\"" + href + "\">" + line + "</a>";
+       }
+
+       _table->cellAt(row, 1).firstCursorPosition().insertHtml(line);
+}
+
+void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                  QWidget *widget) {
+       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<QPointF, 3> BasicBlockWidget::getExits() const {
+       return { { mapToScene(QPointF(  width/3, height)),
+                          mapToScene(QPointF(  width/2, height)),
+                          mapToScene(QPointF(2*width/3, height)) } };
+}
+