[apps/code] Hide the sandbox between script importations

apps/code/console_controller.cpp

@@ -332,6 +332,13 @@ void ConsoleController::displaySandbox() {
   stackViewController()->push(&m_sandboxController);
 }
 
+void ConsoleController::hideSandbox() {
+  if (!sandboxIsDisplayed()) {
+    return;
+  }
+  m_sandboxController.hide();
+}
+
 void ConsoleController::resetSandbox() {
   if (!sandboxIsDisplayed()) {
     return;
@@ -364,6 +371,12 @@ void ConsoleController::printText(const char * text, size_t length) {
 }
 
 void ConsoleController::autoImportScript(Script script, bool force) {
+  if (sandboxIsDisplayed()) {
+    /* The sandbox might be displayed, for instance if we are auto-importing
+     * several scripts that draw at importation. In this case, we want to remove
+     * the sandbox. */
+    hideSandbox();
+  }
   if (script.importationStatus() || force) {
     // Step 1 - Create the command "from scriptName import *".
 

apps/code/console_controller.h

@@ -62,6 +62,7 @@ public:
 
   // MicroPython::ExecutionEnvironment
   void displaySandbox() override;
+  void hideSandbox() override;
   void resetSandbox() override;
   void printText(const char * text, size_t length) override;
   const char * inputText(const char * prompt) override;

apps/code/sandbox_controller.cpp

@@ -20,6 +20,10 @@ void SandboxController::reset() {
   redrawWindow();
 }
 
+void SandboxController::hide() {
+  stackViewController()->pop();
+}
+
 void SandboxController::viewWillAppear() {
   assert(m_executionEnvironment != nullptr);
   m_executionEnvironment->setSandboxIsDisplayed(true);

apps/code/sandbox_controller.h

@@ -14,6 +14,7 @@ public:
   SandboxController(Responder * parentResponder, MicroPython::ExecutionEnvironment * executionEnvironment);
   StackViewController * stackViewController();
   void reset();
+  void hide();
 
   // ViewController
   View * view() override { return &m_solidColorView; }

python/port/port.h

@@ -19,6 +19,7 @@ public:
   void runCode(const char * );
   virtual const char * inputText(const char * prompt) { return nullptr; }
   virtual void displaySandbox() {}
+  virtual void hideSandbox() {}
   virtual void resetSandbox() {}
   virtual void printText(const char * text, size_t length) {}
   void interrupt();