rename PieceDescriptor to just Piece

src/gui/Window.cc

@@ -118,7 +118,7 @@ bool Window::create(std::shared_ptr<Buffer> buffer)
     m_shaders.text->set_color(1.0, 1.0, 1.0, 1.0);
 
     m_buffer = buffer;
-    m_start_piece = m_buffer->piece_table->start_descriptor->next;
+    m_start_piece = m_buffer->piece_table->start_piece->next;
 
     resize();
 
@@ -229,8 +229,8 @@ void Window::handle_key(uint32_t scancode, uint32_t mod)
 
 void Window::scroll_down()
 {
-    if ((m_start_piece != m_buffer->piece_table->end_descriptor) &&
-        (m_start_piece->next != m_buffer->piece_table->end_descriptor))
+    if ((m_start_piece != m_buffer->piece_table->end_piece) &&
+        (m_start_piece->next != m_buffer->piece_table->end_piece))
     {
         m_start_piece = m_start_piece->next;
         redraw();
@@ -239,8 +239,8 @@ void Window::scroll_down()
 
 void Window::scroll_up()
 {
-    if ((m_start_piece != m_buffer->piece_table->start_descriptor) &&
-        (m_start_piece->prev != m_buffer->piece_table->start_descriptor))
+    if ((m_start_piece != m_buffer->piece_table->start_piece) &&
+        (m_start_piece->prev != m_buffer->piece_table->start_piece))
     {
         m_start_piece = m_start_piece->prev;
         redraw();
@@ -270,13 +270,13 @@ void Window::redraw()
     int line_height = m_font.get_line_height();
     int x = 0;
     int y = m_height - line_height;
-    for (PieceTable::PieceDescriptor * pd = m_start_piece;
-         pd != m_buffer->piece_table->end_descriptor;
-         pd = pd->next)
+    for (PieceTable::Piece * piece = m_start_piece;
+         piece != m_buffer->piece_table->end_piece;
+         piece = piece->next)
     {
-        for (int i = 0, len = pd->length; i < len; i++)
+        for (int i = 0, len = piece->length; i < len; i++)
         {
-            uint8_t c = pd->start[i];
+            uint8_t c = piece->start[i];
             auto g = m_font.get_glyph(c);
             m_shaders.text->set_position(x, y);
             g->render();
@@ -290,7 +290,7 @@ void Window::redraw()
                 x += advance;
             }
         }
-        if (pd->eol())
+        if (piece->eol())
         {
             y -= line_height;
             x = 0;

src/gui/Window.h

@@ -35,7 +35,7 @@ protected:
 
     std::shared_ptr<Buffer> m_buffer;
 
-    PieceTable::PieceDescriptor * m_start_piece;
+    PieceTable::Piece * m_start_piece;
 };
 
 #endif