[code] Program store that uses an accordeon buffer to store the

programs. The user can now add scripts.
A contextual menu displays various options when clicking on a script,
such as editing.

Change-Id: I124a17f7584b0beedb897e8499ca0a1bb6c13cbe

apps/code/program.cpp

@@ -2,52 +2,21 @@
 
 namespace Code {
 
-Program::Program() :
-  m_buffer()
+Program::Program(char * textBuffer, size_t sizeOfBuffer) :
+  m_bufferSize(sizeOfBuffer),
+  m_textBuffer(textBuffer)
 {
-  const char program[] = R"(# This program draws a Mandelbrot fractal set
-# N_iteration: degree of precision
-import kandinsky
-N_iteration = 10
-for x in range(320):
-  for y in range(240):
-# Compute the mandelbrot sequence for the point c = (c_r, c_i) with start value z = (z_r, z_i)
-    z_r = 0
-    z_i = 0
-# Rescale to fit the drawing screen 320x222
-    c_r = 2.7*x/319-2.1
-    c_i = -1.87*y/221+0.935
-    i = 0
-    while (i < N_iteration) and ((z_r * z_r) + (z_i * z_i) < 4):
-      i = i + 1
-      stock = z_r
-      z_r = z_r * z_r - z_i * z_i + c_r
-      z_i = 2 * stock * z_i + c_i
-# Choose the color of the dot from the Mandelbrot sequence
-    rgb = int(255*i/N_iteration)
-    col = kandinsky.color(int(rgb),int(rgb*0.75),int(rgb*0.25))
-# Draw a pixel colored in 'col' at position (x,y)
-    kandinsky.set_pixel(x,y,col))";
-
-  constexpr size_t len = sizeof(program);
-  static_assert(len < k_bufferSize, "Default program length bigger than buffer size");
-  memcpy(m_buffer, program, len);
 }
 
 const char * Program::readOnlyContent() const {
-  return m_buffer;
+  return m_textBuffer;
 }
 
 char * Program::editableContent() {
-  return m_buffer;
+  return m_textBuffer;
 }
-
-void Program::setContent(const char * program) {
-  memcpy(m_buffer, program, k_bufferSize);
-}
-
 int Program::bufferSize() const {
-  return k_bufferSize;
+  return m_bufferSize;
 }
 
 }