[Ports] Merge Nspire port and Fxcg improvements

Close #327

apps/Makefile

@@ -50,6 +50,7 @@ apps_src += $(addprefix apps/,\
   exam_mode_configuration_official.cpp:+official \
   exam_mode_configuration_non_official.cpp:-official \
   global_preferences.cpp \
+  host_filemanager.cpp \
   i18n.py \
   lock_view.cpp \
   main.cpp \

apps/calculation/calculation_store.cpp

@@ -7,6 +7,39 @@
 #include "../exam_mode_configuration.h"
 #include <assert.h>
 
+#if defined _FXCG || defined NSPIRE_NEWLIB
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <apps/shared/global_context.h>
+
+static KDCoordinate dummyHeight(::Calculation::Calculation * c, bool expanded) {
+  bool b;
+  Poincare::Layout l = c->createExactOutputLayout(&b);
+  if (!b) {
+    l=c->createInputLayout();
+  }
+  KDSize s = l.layoutSize();
+  const int bordersize = 10;
+  int h = s.height() + bordersize;
+  const int maxheight = 64;
+  if (h > maxheight) {
+    return maxheight;
+  }
+  return h;
+}
+
+extern void * last_calculation_history;
+void * last_calculation_history = 0;
+const char * retrieve_calc_history();
+
+#endif
+
 using namespace Poincare;
 using namespace Shared;
 
@@ -21,10 +54,39 @@ CalculationStore::CalculationStore(char * buffer, int size) :
 {
   assert(m_buffer != nullptr);
   assert(m_bufferSize > 0);
+#if defined _FXCG || defined NSPIRE_NEWLIB
+  if (last_calculation_history == 0){
+    // Restore from scriptstore
+    const char * buf=retrieve_calc_history();
+    if (buf) {
+      Shared::GlobalContext globalContext;
+      char * ptr=(char *)buf;
+      for (;*ptr;) {
+	      for (;*ptr;++ptr) {
+          if (*ptr=='\n') {
+            break;
+          }
+	      }
+	      char c = *ptr;
+	      *ptr=0;
+	      if (ptr > buf) {
+          push(buf,&globalContext, dummyHeight);
+        }
+        *ptr = c;
+        ++ptr;
+        buf = ptr;
+      }
+    }
+    last_calculation_history = (void *) this;
+  }
+#endif
 }
 
 // Returns an expiring pointer to the calculation of index i, and ignore the trash
 ExpiringPointer<Calculation> CalculationStore::calculationAtIndex(int i) {
+#if defined _FXCG || defined NSPIRE_NEWLIB
+  last_calculation_history = (void *) this;
+#endif
   if (m_trashIndex == -1 || i < m_trashIndex) {
     return realCalculationAtIndex(i);
   } else {

apps/code/app.cpp

@@ -5,6 +5,12 @@
 #include <ion/unicode/utf8_helper.h>
 #include <apps/apps_container.h>
 
+#if defined _FXCG || defined NSPIRE_NEWLIB
+extern "C" int calculator;
+extern "C" const int prizm_heap_size;
+extern "C" char prizm_heap[];
+#endif
+
 namespace Code {
 
 I18n::Message App::Descriptor::name() {
@@ -150,7 +156,17 @@ bool App::textInputDidReceiveEvent(InputEventHandler * textInput, Ion::Events::E
 
 void App::initPythonWithUser(const void * pythonUser) {
   if (!m_pythonUser) {
-    MicroPython::init(m_pythonHeap, m_pythonHeap + k_pythonHeapSize);
+#if defined _FXCG || defined NSPIRE_NEWLIB
+    if (calculator == 1) { // fxcg50
+      MicroPython::init( (void *) 0x8c200000, (void *)(0x8c200000+ 0x2e0000));
+    } else if (calculator >= 1 && calculator <=4 ) {
+      MicroPython::init( prizm_heap, prizm_heap+prizm_heap_size);
+    } else {
+#endif
+      MicroPython::init(m_pythonHeap, m_pythonHeap + k_pythonHeapSize);
+#if defined _FXCG || defined NSPIRE_NEWLIB
+    }
+#endif
   }
   m_pythonUser = pythonUser;
 }

apps/external/app/sample.c

@@ -1,6 +1,15 @@
 #include <extapp_api.h>
 
+#if defined _FXCG || defined NSPIRE_NEWLIB
+// On the port, we use the Built-in file manager to import files.
+void host_filemanager();
+void extapp_main() {
+  host_filemanager();
+}
+#else
+// Elsewhere, just draw a rectangle to test the extapp API.
 void extapp_main() {
   extapp_pushRectUniform(10, 10, LCD_WIDTH-20, LCD_HEIGHT-20, 0);
   extapp_msleep(1000);
 }
+#endif