josh/jes
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

For short files that fit entirely in the window, adjust H/M/L jump points to within the file

Browse Source
This commit is contained in:
Josh Holtrop 2018-03-26 11:04:56 -04:00
parent 65be7c3a6f
commit c72308c9c3
2 changed files with 26 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/core/BufferView.cc
View File

@ -192,13 +192,25 @@ bool BufferView::cursor_move(CursorMovement which, uint32_t c, bool allow_eol)
moved = m_iterator->go_backward_in_line_on_to_char(c);
break;
case CursorMovement::TOP_OF_SCREEN:
moved = cursor_move_to_screen_position(0, effective_scroll_offset(), allow_eol);
{
int n_lines = n_screen_rows_with_content();
int y = (n_lines < m_height) ? 0 : effective_scroll_offset();
moved = cursor_move_to_screen_position(0, y, allow_eol);
}
break;
case CursorMovement::MIDDLE_OF_SCREEN:
moved = cursor_move_to_screen_position(0, m_height / 2, allow_eol);
{
int n_lines = n_screen_rows_with_content();
int y = (n_lines < m_height) ? (n_lines / 2) : (m_height / 2);
moved = cursor_move_to_screen_position(0, y, allow_eol);
}
break;
case CursorMovement::BOTTOM_OF_SCREEN:
moved = cursor_move_to_screen_position(0, m_height - effective_scroll_offset() - 1, allow_eol);
{
int n_lines = n_screen_rows_with_content();
int y = (n_lines < m_height) ? (n_lines - 1) : (m_height - effective_scroll_offset() - 1);
moved = cursor_move_to_screen_position(0, y, allow_eol);
}
break;
}
if (moved)
@ -582,3 +594,13 @@ int BufferView::calculate_rows_below_screen(int stop_at)
}
return lines;
}
int BufferView::n_screen_rows_with_content() const
{
if (m_lines.size() > 0u)
{
auto line_desc = m_lines.rbegin();
return line_desc->row_offset + line_desc->n_rows;
}
return 0;
}

1
src/core/BufferView.h
View File

@ -142,6 +142,7 @@ protected:
bool allow_eol);
int calculate_rows_above_screen(int stop_at);
int calculate_rows_below_screen(int stop_at);
int n_screen_rows_with_content() const;
};
#endif