contextual actions for the codeview

lauregonnord · Sep 17, 2017 · 480cfd2 · 480cfd2
1 parent 47db137
commit 480cfd2
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Showing 3 changed files with 59 additions and 4 deletions.
diff --git a/gui/codeview.cpp b/gui/codeview.cpp
@@ -4,8 +4,63 @@ CodeView::CodeView(QWidget *parent):
     QListWidget(parent), _machine(0)
 {
     this->setUniformItemSizes(true);
+
+    this->setContextMenuPolicy(Qt::CustomContextMenu);
+    connect(this, SIGNAL(customContextMenuRequested(const QPoint &)),
+        this, SLOT(showContextMenu(const QPoint &)));
+}
+void CodeView::showContextMenu(const QPoint &pos)
+{
+   QMenu contextMenu(tr("Context menu"), this);
+   QAction action1("Voir l'instruction en cours d'execution", this);
+   QAction action2("Voir l'instruction suivante", this);
+   connect(&action1, SIGNAL(triggered()), this, SLOT(setPositionToCurrent()));
+   connect(&action2, SIGNAL(triggered()), this, SLOT(setPositionToNext()));
+   contextMenu.addAction(&action1);
+   if (this->_machine) {
+        int index = this->currentRow();
+        if (0 <= index && index < 0x10000) {
+            uword opcode = this->_machine->memory[index];
+            int next_index = index + 1;
+            if ((opcode >> 12) == 0b0011 || (opcode == 0xb001)) {
+            } else {
+                contextMenu.addAction(&action2);
+            }
+        }
+   }
+   contextMenu.exec(mapToGlobal(pos));
+}
+
+void CodeView::setPositionToCurrent() {
+    if (this->_machine) {
+        this->setCurrentRow(this->_machine->pc);
+    }
 }
 
+void CodeView::setPositionToNext() {
+    if (this->_machine) {
+        int index = this->currentRow();
+        if (0 <= index && index < 0x10000) {
+            uword opcode = this->_machine->memory[index];
+            int next_index = index + 1;
+            if ((opcode >> 12) == 0b1010) {
+                next_index = (opcode & 0xfff) * 16;
+            } else if ((opcode >> 12) == 0b1011) {
+                word second_part = (opcode & 0xfff);
+                if (second_part == 1) {
+                    next_index = _machine->registers[15];
+                } else {
+                    next_index = index + second_part;
+                }
+            } else if ((opcode >> 12) == 0b0011) {
+                next_index = index;
+            }
+
+            if (0 <= index && index < 0x10000)
+                this->setCurrentRow(next_index);
+        }
+    }
+}
 
 void CodeView::update() {
     QStringList code;

diff --git a/gui/codeview.h b/gui/codeview.h
@@ -6,6 +6,7 @@
 #include <QListWidget>
 #include "../simulateur/structs.h"
 #include "../simulateur/debug.h"
+#include <QMenu>
 
 class CodeView: public QListWidget
 {
@@ -25,6 +26,9 @@ class CodeView: public QListWidget
 
 public slots:
     void updateCode(int row);
+    void showContextMenu(const QPoint &);
+    void setPositionToCurrent();
+    void setPositionToNext();
 };
 
 #endif // CODEVIEW_H
diff --git a/gui/registersview.cpp b/gui/registersview.cpp
@@ -12,14 +12,10 @@ RegistersView::RegistersView(QWidget *parent):
 void RegistersView::showContextMenu(const QPoint &pos)
 {
    QMenu contextMenu(tr("Context menu"), this);
-
    QAction action1("Accèder à cette zone mémoire", this);
    connect(&action1, SIGNAL(triggered()), this, SLOT(switchToMemorySelected()));
    _selected_row = this->itemAt(pos)->row();
    contextMenu.addAction(&action1);
-
-
-
    contextMenu.exec(mapToGlobal(pos));
 }