Slight performance improvement when seeking and fix graph load issue

iaito_win32

@@ -1 +1 @@
-Subproject commit afccf1907acc8c0e2b6ff2071199de69d8ecf565
+Subproject commit 48dbae99de86c1b798f46c1ccdbe13312301a4ad

radare2

@@ -1 +1 @@
-Subproject commit 12b7916db311f37c8c55a91c5683c42eafe3a7be
+Subproject commit 99c0151a2d9dbff70ba0a6aa46ddec2e523c8f65

src/mainwindow.cpp

@@ -58,6 +58,7 @@ MainWindow::MainWindow(QWidget *parent, QRCore *kore) :
     ui->setupUi(this);
 
     doLock = false;
+    this->current_address = "entry0";
 
     registerCustomFonts();
 
@@ -881,8 +882,10 @@ void MainWindow::seek(const QString &offset, const QString &name)
 {
     if (offset.length() == 0)
         return;
-    if (name != NULL)
+    if (name != NULL) {
         this->memoryDock->setWindowTitle(name);
+        this->current_address = name;
+    }
     this->hexdumpTopOffset = 0;
     this->hexdumpBottomOffset = 0;
     core->seek(offset);
@@ -907,9 +910,12 @@ void MainWindow::refreshMem(QString off)
 {
     //add_debug_output("Refreshing to: " + off);
     //graphicsBar->refreshColorBar();
+    /*
     this->memoryDock->refreshDisasm(off);
     this->memoryDock->refreshHexdump(off);
     this->memoryDock->create_graph(off);
+    */
+    this->memoryDock->updateViews();
     this->memoryDock->get_refs_data(off);
     this->memoryDock->setFcnName(off);
 }

src/mainwindow.h

@@ -56,6 +56,7 @@ public:
     SideBar          *sideBar;
 
     bool responsive;
+    QString current_address;
 
     explicit MainWindow(QWidget *parent = 0, QRCore *kore = nullptr);
     ~MainWindow();

src/widgets/memorywidget.cpp

@@ -35,6 +35,9 @@ MemoryWidget::MemoryWidget(MainWindow *main) :
     this->memTabWidget = ui->memTabWidget;
 
     this->last_fcn = "entry0";
+    this->last_disasm_fcn = "entry0";
+    this->last_graph_fcn = "entry0";
+    this->last_hexdump_fcn = "entry0";
 
     // Increase asm text edit margin
     QTextDocument *asm_docu = this->disasTextEdit->document();
@@ -483,6 +486,7 @@ void MemoryWidget::refreshDisasm(const QString &offset)
 
     // Prevent further scroll
     disconnect(this->disasTextEdit->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(disasmScrolled()));
+    disconnect(this->disasTextEdit, SIGNAL(cursorPositionChanged()), this, SLOT(on_disasTextEdit_2_cursorPositionChanged()));
 
     // Get disas at offset
     if (!offset.isEmpty())
@@ -522,24 +526,7 @@ void MemoryWidget::refreshDisasm(const QString &offset)
     }
 
     connect(this->disasTextEdit->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(disasmScrolled()));
-
-    // Gett ALL disasm, dissabled
-    /*
-    int size;
-    QString txt;
-    size = main->core->get_size();
-    QList<QList<QString>> sections = main->core->get_exec_sections();
-
-    foreach (QList<QString> section, sections) {
-        // TODO: Remove later this check and add all sections
-        if (section[2].contains(".text")) {
-            this->main->core->cmd("s section." + section[2]);
-            this->main->core->cmd("b " + section[1]);
-            txt.append( this->main->core->cmd("pD") );
-        }
-    }
-    */
-
+    connect(this->disasTextEdit, SIGNAL(cursorPositionChanged()), this, SLOT(on_disasTextEdit_2_cursorPositionChanged()));
 }
 
 void MemoryWidget::refreshHexdump(QString where)
@@ -1524,7 +1511,7 @@ void MemoryWidget::create_graph(QString off)
     QString fcn = this->main->core->cmdFunctionAt(off);
 
     //this->main->add_debug_output("Graph Fcn: " + fcn);
-    ui->graphWebView->load(QUrl("qrc:/graph/html/graph/index.html#" + off));
+    ui->graphWebView->setUrl(QUrl("qrc:/graph/html/graph/index.html#" + off));
     QString port = this->main->core->config("http.port");
 
     ui->graphWebView->page()->mainFrame()->evaluateJavaScript(QString("r2.root=\"http://localhost:" + port + "\""));
@@ -1612,8 +1599,9 @@ void MemoryWidget::on_disasTextEdit_2_cursorPositionChanged()
             ui->fcnNameEdit->setText(at);
             this->main->memoryDock->setWindowTitle(at);
             this->main->memoryDock->get_refs_data(ele);
-            this->main->memoryDock->create_graph(ele);
+            //this->main->memoryDock->create_graph(ele);
             this->setMiniGraph(at);
+            this->main->current_address = at;
         }
     }
 }
@@ -1766,7 +1754,7 @@ bool MemoryWidget::eventFilter(QObject *obj, QEvent *event)
     if ((obj == ui->disasTextEdit_2 || obj == ui->disasTextEdit_2->viewport()) && event->type() == QEvent::MouseButtonDblClick)
     {
         QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
-        qDebug()<<QString("Click location: (%1,%2)").arg(mouseEvent->x()).arg(mouseEvent->y());
+        //qDebug()<<QString("Click location: (%1,%2)").arg(mouseEvent->x()).arg(mouseEvent->y());
         QTextCursor cursor = ui->disasTextEdit_2->cursorForPosition(QPoint(mouseEvent->x(), mouseEvent->y()));
         cursor.select(QTextCursor::LineUnderCursor);
         QString lastline = cursor.selectedText();
@@ -1937,3 +1925,42 @@ void MemoryWidget::frameLoadFinished(bool ok)
         }
     }
 }
+
+void MemoryWidget::on_memTabWidget_currentChanged(int index)
+{
+    /*
+    this->main->add_debug_output("Update index: " + QString::number(index) + " to function: " + this->main->current_address);
+    this->main->add_debug_output("Last disasm: " + this->last_disasm_fcn);
+    this->main->add_debug_output("Last graph: " + this->last_graph_fcn);
+    this->main->add_debug_output("Last hexdump: " + this->last_hexdump_fcn);
+    */
+    this->updateViews();
+}
+
+void MemoryWidget::updateViews() {
+    // Update only the selected view to improve performance
+
+    int index = ui->memTabWidget->tabBar()->currentIndex();
+    if (index == 0) {
+        // Disasm
+        if (this->last_disasm_fcn != this->main->current_address) {
+            //this->main->add_debug_output("Doing disasm");
+            this->refreshDisasm(this->main->current_address);
+            this->last_disasm_fcn = this->main->current_address;
+        }
+    } else if (index == 1) {
+        // Hex
+        if (this->last_hexdump_fcn != this->main->current_address) {
+            //this->main->add_debug_output("Doing hex");
+            this->refreshHexdump(this->main->current_address);
+            this->last_hexdump_fcn = this->main->current_address;
+        }
+    } else if (index == 2) {
+        // Graph
+        if (this->last_graph_fcn != this->main->current_address) {
+            //this->main->add_debug_output("Doing graph");
+            this->create_graph(this->main->current_address);
+            this->last_graph_fcn = this->main->current_address;
+        }
+    }
+}

src/widgets/memorywidget.h

@@ -87,6 +87,8 @@ public slots:
 
     void frameLoadFinished(bool ok);
 
+    void updateViews();
+
 protected:
     void resizeEvent(QResizeEvent *event) override;
     bool eventFilter(QObject *obj, QEvent *event) override;
@@ -97,6 +99,9 @@ private:
     ut64 hexdumpTopOffset;
     ut64 hexdumpBottomOffset;
     QString last_fcn;
+    QString last_disasm_fcn;
+    QString last_graph_fcn;
+    QString last_hexdump_fcn;
 
 private slots:
     void highlightCurrentLine();
@@ -170,6 +175,7 @@ private slots:
     void on_simpleGrapgToolButton_clicked();
     void on_opcodeDescButton_clicked();
     void seek_back();
+    void on_memTabWidget_currentChanged(int index);
 };
 
 #endif // MEMORYWIDGET_H