Added custom line editor with history

1 files changed, 19 insertions, 14 deletions

diff --git a/gui/pythontab.cc b/gui/pythontab.cc
index 3764696e..04db056d 100644
--- a/gui/pythontab.cc
+++ b/gui/pythontab.cc
@@ -15,7 +15,7 @@ PythonTab::PythonTab(QWidget *parent) : QWidget(parent)
     f.setStyleHint(QFont::Monospace);

     plainTextEdit->setFont(f);

 

-    lineEdit = new QLineEdit();

+    lineEdit = new LineEditor();

     lineEdit->setMinimumHeight(30);

     lineEdit->setMaximumHeight(30);

     lineEdit->setFont(f);

@@ -25,8 +25,8 @@ PythonTab::PythonTab(QWidget *parent) : QWidget(parent)
     mainLayout->addWidget(lineEdit, 1, 0);

     setLayout(mainLayout);

 

-    connect(lineEdit, SIGNAL(returnPressed()), this,

-            SLOT(editLineReturnPressed()));

+    connect(lineEdit, SIGNAL(textLineInserted(QString)), this,

+            SLOT(editLineReturnPressed(QString)));

 

     write = [this](std::string s) {

         plainTextEdit->moveCursor(QTextCursor::End);

@@ -34,11 +34,22 @@ PythonTab::PythonTab(QWidget *parent) : QWidget(parent)
         plainTextEdit->moveCursor(QTextCursor::End);

     };

     emb::set_stdout(write);

+

+    char buff[1024];

+    sprintf(buff, "Python %s on %s\n", Py_GetVersion(), Py_GetPlatform());

+    print(buff);

+}

+

+void PythonTab::print(std::string line)

+{

+    plainTextEdit->moveCursor(QTextCursor::End);

+    plainTextEdit->insertPlainText(line.c_str());

+    plainTextEdit->moveCursor(QTextCursor::End);

 }

 

 void handle_system_exit() { exit(-1); }

 

-int PythonTab::executePython(std::string command)

+int PythonTab::executePython(std::string &command)

 {

     PyObject *m, *d, *v;

     m = PyImport_AddModule("__main__");

@@ -70,9 +81,7 @@ int PythonTab::executePython(std::string command)
         PyObject *objectsRepresentation = PyObject_Str(v);

         std::string errorStr =

                 PyUnicode_AsUTF8(objectsRepresentation) + std::string("\n");

-        plainTextEdit->moveCursor(QTextCursor::End);

-        plainTextEdit->insertPlainText(errorStr.c_str());

-        plainTextEdit->moveCursor(QTextCursor::End);

+        print(errorStr);

         Py_DECREF(objectsRepresentation);

         Py_XDECREF(exception);

         Py_XDECREF(v);

@@ -83,13 +92,9 @@ int PythonTab::executePython(std::string command)
     return 0;

 }

 

-void PythonTab::editLineReturnPressed()

+void PythonTab::editLineReturnPressed(QString text)

 {

-    std::string input = lineEdit->text().toStdString();

-    plainTextEdit->moveCursor(QTextCursor::End);

-    plainTextEdit->insertPlainText(std::string(">>> " + input + "\n").c_str());

-    plainTextEdit->moveCursor(QTextCursor::End);

-    plainTextEdit->update();

-    lineEdit->clear();

+    std::string input = text.toStdString();

+    print(std::string(">>> " + input + "\n"));

     int error = executePython(input);

 }